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Merge pull request #1862 from blink1073/update-dialog

Clean up dialog and consolidate node styling
Afshin Darian há 8 anos atrás
pai
commit
9f9e315be4

+ 2 - 2
examples/filebrowser/src/index.ts

@@ -14,7 +14,7 @@ import {
 } from '@jupyterlab/services';
 
 import {
-  showDialog, okButton
+  Dialog, showDialog
 } from 'jupyterlab/lib/common/dialog';
 
 import {
@@ -189,7 +189,7 @@ function createApp(manager: ServiceManager.IManager): void {
       showDialog({
         title: 'Cool Title',
         body: msg,
-        buttons: [okButton]
+        buttons: [Dialog.okButton()]
       });
     }
   });

+ 2 - 0
package.json

@@ -33,6 +33,7 @@
   },
   "devDependencies": {
     "@jupyterlab/extension-builder": "^0.11.0",
+    "@types/chai": "^3.4.35",
     "@types/d3-dsv": "^1.0.29",
     "@types/expect.js": "^0.3.29",
     "@types/marked": "0.0.28",
@@ -41,6 +42,7 @@
     "@types/node": "0.0.1",
     "@types/sanitize-html": "^1.13.31",
     "@types/semver": "^5.3.30",
+    "chai": "^3.5.0",
     "concurrently": "^2.0.0",
     "css-loader": "^0.23.1",
     "expect.js": "^0.3.1",

+ 16 - 81
src/common/dialog.css

@@ -1,6 +1,6 @@
 
 /*-----------------------------------------------------------------------------
-| Copyright (c) 2014-2016, Jupyter Development Team.
+| Copyright (c) 2014-2017, Jupyter Development Team.
 |
 | Distributed under the terms of the Modified BSD License.
 |----------------------------------------------------------------------------*/
@@ -52,6 +52,8 @@
 
 
 .jp-Dialog-body {
+  display: flex;
+  flex-direction: column;
   flex: 1 1 auto;
   font-size: var(--jp-ui-font-size2);
   background: #FAFAFA;
@@ -60,14 +62,6 @@
 }
 
 
-.jp-Dialog-bodyContent {
-  display: flex;
-  flex-direction: column;
-  font-size: var(--jp-ui-font-size2);
-  overflow: auto;
-}
-
-
 .jp-Dialog-footer {
   display: flex;
   flex-direction: row;
@@ -87,100 +81,41 @@
 }
 
 
-.jp-Dialog-button {
-  font-size: var(--jp-ui-font-size1);
-  border: none;
-  text-transform: uppercase;
-  line-height: 32px;
-  padding: 0px 16px;
-  letter-spacing: .4px;
-}
-
-
-.jp-Dialog-okButton {
+button.jp-mod-accept {
   background: var(--jp-brand-color1);
   color: var(--jp-inverse-ui-font-color0);
 }
 
 
-.jp-Dialog-cancelButton {
+button.jp-mod-reject {
   background: #9E9E9E;
   margin-right: 12px;
   color: var(--jp-inverse-ui-font-color0);
 }
 
-.jp-Dialog-warningButton {
+
+button.jp-mod-warn {
   background: var(--jp-error-color1);
   color: var(--jp-inverse-ui-font-color0);
 }
 
 
-.jp-Dialog-bodyContent > label {
-  padding-top: 4px;
-  padding-bottom: 4px;
-  line-height: 1.4;
-  font-size: var(--jp-ui-font-size1);
-  color: var(--md-grey-700);
-}
-
-
-.jp-Dialog-inputWrapper {
-  display: flex;
-  background: white;
-  height: 28px;
+.jp-Dialog-body > .jp-select-wrapper {
   width: 252px;
-  box-sizing: border-box;
   border: var(--jp-border-width) solid var(--jp-border-color1);
-  margin-bottom: 8px;
-  padding: 1px;
-}
-
-
-.jp-Dialog-input {
-  flex: 1 1 auto;
-  padding-left: 7px;
-  padding-right: 7px;
-  font-size: var(--jp-ui-font-size2);
-  color: var(--jp-ui-font-color0);
-  border: none;
-  outline: none;
 }
 
 
-.jp-Dialog-selectWrapper {
-  display: flex;
-  flex-direction: column;
-  padding: 1px;
-  background: white;
-  height: 28px;
-  width: 252px;
-  box-sizing: border-box;
-  border: var(--jp-border-width) solid var(--jp-border-color1);
-  margin-bottom: 12px;
+.jp-Dialog-body > button {
+  padding: 0px 16px;
 }
 
 
-.jp-Dialog-selectWrapper.jp-mod-focused,
-.jp-Dialog-inputWrapper.jp-mod-focused {
-  border: var(--jp-border-width) solid var(--md-blue-500);
-  box-shadow: inset 0 0 4px var(--md-blue-300);
+.jp-Dialog-body > label {
+  padding-top: 4px;
+  padding-bottom: 4px;
+  line-height: 1.4;
+  font-size: var(--jp-ui-font-size1);
+  color: var(--md-grey-700);
 }
 
-
-.jp-Dialog-select {
-  flex: 1 1 auto;
-  height: 32px;
-  font-size: var(--jp-ui-font-size2);
-  background: white;
-  color: var(--jp-ui-font-color0);
-  border: none;
-  border-radius: 0px;
-  outline: none;
-  -webkit-appearance: none;
-  -moz-appearance: none;
-  padding-left: 8px;
-  background-image: url('../default-theme/images/down_caret.svg');
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-size: 20px;
-}

+ 493 - 434
src/common/dialog.ts

@@ -1,319 +1,133 @@
 // Copyright (c) Jupyter Development Team.
 // Distributed under the terms of the Modified BSD License.
 
+import {
+  each, map, toArray
+} from '@phosphor/algorithm';
+
+import {
+  PromiseDelegate
+} from '@phosphor/coreutils';
 
 import {
   Message
 } from '@phosphor/messaging';
 
 import {
-  Panel
-} from '@phosphor/widgets';
-
+  VirtualDOM, VirtualElement, h
+} from '@phosphor/virtualdom';
 
 import {
-  Widget
+  PanelLayout, Panel, Widget
 } from '@phosphor/widgets';
 
-/**
- * The class name added to dialog instances.
- */
-const DIALOG_CLASS = 'jp-Dialog';
-
-/**
- * The class name added to dialog content node.
- */
-const CONTENT_CLASS = 'jp-Dialog-content';
-
-/**
- * The class name added to dialog header node.
- */
-const HEADER_CLASS = 'jp-Dialog-header';
-
-/**
- * The class name added to dialog title node.
- */
-const TITLE_CLASS = 'jp-Dialog-title';
-
-/**
- * The class name added to dialog body node.
- */
-const BODY_CLASS = 'jp-Dialog-body';
-
-/**
- * The class name added to a dialog body content node.
- */
-const BODY_CONTENT_CLASS = 'jp-Dialog-bodyContent';
-
-/**
- * The class name added to a dialog content node.
- */
-const FOOTER_CLASS = 'jp-Dialog-footer';
-
-/**
- * The class name added to a dialog button node.
- */
-const BUTTON_CLASS = 'jp-Dialog-button';
-
-/**
- * The class name added to a dialog button icon node.
- */
-const BUTTON_ICON_CLASS = 'jp-Dialog-buttonIcon';
-
-/**
- * The class name added to a dialog button text node.
- */
-const BUTTON_TEXT_CLASS = 'jp-Dialog-buttonText';
-
-/*
- * The class name added to dialog Confirm buttons.
- */
-const OK_BUTTON_CLASS = 'jp-Dialog-okButton';
-
-/**
- * The class name added to dialog Cancel buttons.
- */
-const CANCEL_BUTTON_CLASS = 'jp-Dialog-cancelButton';
-
-/**
- * The class name added to dialog Warning buttons.
- */
-const WARNING_BUTTON_CLASS = 'jp-Dialog-warningButton';
-
-/**
- * The class name added to dialog input field wrappers.
- */
-const INPUT_WRAPPER_CLASS = 'jp-Dialog-inputWrapper';
-
-/**
- * The class name added to dialog input fields.
- */
-const INPUT_CLASS = 'jp-Dialog-input';
-
-/**
- * The class name added to dialog select wrappers.
- */
-const SELECT_WRAPPER_CLASS = 'jp-Dialog-selectWrapper';
-
-/**
- * The class name added to dialog select nodes.
- */
-const SELECT_CLASS = 'jp-Dialog-select';
-
-/**
- * The class name added to focused input and select wrappers.
- */
-const FOCUS_CLASS = 'jp-mod-focused';
+import {
+  Styling
+} from './styling';
 
 
 /**
- * A button applied to a dialog.
+ * Create and show a dialog.
+ *
+ * @param options - The dialog setup options.
+ *
+ * @returns A promise that resolves with whether the dialog was accepted.
  */
 export
-interface IButtonItem {
-  /**
-   * The text for the button.
-   */
-  text: string;
-
-  /**
-   * The icon class for the button.
-   */
-  icon?: string;
-
-  /**
-   * The extra class name to associate with the button.
-   */
-  className?: string;
+function showDialog(options: Dialog.IOptions={}): Promise<Dialog.IButton> {
+  let dialog = new Dialog(options);
+  return dialog.launch().then(result => {
+    dialog.dispose();
+    return result;
+  });
 }
 
 
 /**
- * A default confirmation button.
- */
-export
-const okButton: IButtonItem = {
-  text: 'OK',
-  className: OK_BUTTON_CLASS
-};
-
-/**
- * A default cancel button.
- */
-export
-const cancelButton: IButtonItem = {
-  text: 'CANCEL',
-  className: CANCEL_BUTTON_CLASS
-};
-
-/**
- * A default delete button.
- */
-export
-const deleteButton: IButtonItem = {
-  text: 'DELETE',
-  className: WARNING_BUTTON_CLASS
-};
-
-/**
- * A default warn button.
+ * A modal dialog widget.
  */
 export
-const warnButton: IButtonItem = {
-  text: 'OK',
-  className: WARNING_BUTTON_CLASS
-};
-
-
-/**
- * The options used to create a dialog.
- */
-export
-interface IDialogOptions {
-  /**
-   * The tope level text for the dialog (defaults to an empty string).
-   */
-  title?: string;
-
+class Dialog extends Widget {
   /**
-   * The main body element for the dialog or a message to display.
+   * Create a dialog panel instance.
    *
-   * #### Notes
-   * If a `string` is provided, it will be used as the `HTMLContent` of
-   * a `<span>`.  If an `<input>` or `<select>` element is provided,
-   * they will be styled.
-   */
-  body?: Widget | HTMLElement | string;
-
-  /**
-   * The host element for the dialog (defaults to `document.body`).
-   */
-  host?: HTMLElement;
-
-  /**
-   * A list of button types to display (defaults to [[okButton]] and
-   *   [[cancelButton]]).
-   */
-  buttons?: IButtonItem[];
-
-  /**
-   * The confirmation text for the OK button (defaults to 'OK').
+   * @param options - The dialog setup options.
    */
-  okText?: string;
+  constructor(options: Dialog.IOptions={}) {
+    super();
+    this.addClass('jp-Dialog');
+    options = Private.handleOptions(options);
+    let renderer = options.renderer;
+
+    this._host = options.host;
+    this._defaultButton = options.defaultButton;
+    this._buttons = options.buttons;
+    this._buttonNodes = toArray(map(this._buttons, button => {
+      return renderer.createButtonNode(button);
+    }));
+    this._primary = (
+      options.primaryElement || this._buttonNodes[this._defaultButton]
+    );
+
+    let layout = this.layout = new PanelLayout();
+    let content = new Panel();
+    content.addClass('jp-Dialog-content');
+    layout.addWidget(content);
 
-  /**
-   * An additional CSS class to apply to the dialog.
-   */
-  dialogClass?: string;
+    let header = renderer.createHeader(options.title);
+    let body = renderer.createBody(options.body);
+    let footer = renderer.createFooter(this._buttonNodes);
+    content.addWidget(header);
+    content.addWidget(body);
+    content.addWidget(footer);
+  }
 
   /**
-   * The primary element or button index that should take focus in the dialog.
+   * Launch the dialog as a modal window.
    *
-   * The default is the last button.
+   * @returns a promise that resolves with the button that was selected.
    */
-  primary?: HTMLElement | number;
-}
-
-
-/**
- * Create a dialog and show it.
- *
- * @param options - The dialog setup options.
- *
- * @returns A promise that resolves to the button item that was selected.
- */
-export
-function showDialog(options?: IDialogOptions): Promise<IButtonItem> {
-  options = options || {};
-  let host = options.host || document.body;
-  options.host = host;
-  options.body = options.body || '';
-  // NOTE: This code assumes only one dialog is shown at the time:
-  okButton.text = options.okText ? options.okText : 'OK';
-  options.buttons = options.buttons || [cancelButton, okButton];
-  if (!options.buttons.length) {
-    options.buttons = [okButton];
-  }
-  if (!(options.body instanceof Widget)) {
-    options.body = createDialogBody(options.body);
+  launch(): Promise<Dialog.IButton> {
+    // Return the existing dialog if already open.
+    if (this._promise) {
+      return this._promise.promise;
+    }
+    this._promise = new PromiseDelegate<Dialog.IButton>();
+    Widget.attach(this, this._host);
+    return this._promise.promise;
   }
-  return new Promise<IButtonItem>((resolve, reject) => {
-    let dialog = new Dialog(options, resolve, reject);
-    Widget.attach(dialog, host);
-  });
-}
-
 
-/**
- * A dialog panel.
- */
-class Dialog extends Panel {
   /**
-   * Create a dialog panel instance.
-   *
-   * @param options - The dialog setup options.
-   *
-   * @param resolve - The function that resolves the dialog promise.
+   * Resolve the current dialog.
    *
-   * @param reject - The function that rejects the dialog promise.
+   * @param index - An optional index to the button to resolve.
    *
    * #### Notes
-   * Currently the dialog resolves with `cancelButton` rather than
-   * rejecting the dialog promise.
+   * Will default to the defaultIndex.
+   * Will resolve the current `show()` with the button value.
+   * Will be a no-op if the dialog is not shown.
    */
-  constructor(options: IDialogOptions, resolve: (value: IButtonItem) => void, reject?: (error: any) => void) {
-    super();
-
-    if (!(options.body instanceof Widget)) {
-      throw 'A widget dialog can only be created with a widget as its body.';
+  resolve(index?: number): void {
+    if (!this._promise) {
+      return;
     }
-
-    this.resolve = resolve;
-    this.reject = reject;
-
-    // Create the dialog nodes (except for the buttons).
-    let content = new Panel();
-    let header = new Widget({node: document.createElement('div')});
-    let body = new Panel();
-    let footer = new Widget({node: document.createElement('div')});
-    let title = document.createElement('span');
-    this.addClass(DIALOG_CLASS);
-    if (options.dialogClass) {
-      this.addClass(options.dialogClass);
+    if (index === undefined) {
+      index = this._defaultButton;
     }
-    content.addClass(CONTENT_CLASS);
-    header.addClass(HEADER_CLASS);
-    body.addClass(BODY_CLASS);
-    footer.addClass(FOOTER_CLASS);
-    title.className = TITLE_CLASS;
-    this.addWidget(content);
-    content.addWidget(header);
-    content.addWidget(body);
-    content.addWidget(footer);
-    header.node.appendChild(title);
-
-    // Populate the nodes.
-    title.textContent = options.title || '';
-    let child = options.body as Widget;
-    child.addClass(BODY_CONTENT_CLASS);
-    body.addWidget(child);
-    this._buttons = options.buttons.slice();
-    this._buttonNodes = options.buttons.map(createButton);
-    this._buttonNodes.map(buttonNode => {
-      footer.node.appendChild(buttonNode);
-    });
-    let primary = options.primary || this.lastButtonNode;
-    if (typeof primary === 'number') {
-      primary = this._buttonNodes[primary];
-    }
-    this._primary = primary as HTMLElement;
+    this._resolve(this._buttons[index]);
   }
 
   /**
-   * Get the last button node.
+   * Reject the current dialog with a default reject value.
+   *
+   * #### Notes
+   * Will be a no-op if the dialog is not shown.
    */
-  get lastButtonNode(): HTMLButtonElement {
-    return this._buttonNodes[this._buttons.length - 1];
+  reject(): void {
+    if (!this._promise) {
+      return;
+    }
+    this._resolve(Dialog.cancelButton());
   }
 
   /**
@@ -331,17 +145,15 @@ class Dialog extends Panel {
     case 'keydown':
       this._evtKeydown(event as KeyboardEvent);
       break;
-    case 'contextmenu':
-      this._evtContextMenu(event as MouseEvent);
-      break;
     case 'click':
       this._evtClick(event as MouseEvent);
       break;
     case 'focus':
       this._evtFocus(event as FocusEvent);
       break;
-    case 'blur':
-      this._evtBlur(event as FocusEvent);
+    case 'contextmenu':
+      event.preventDefault();
+      event.stopPropagation();
       break;
     default:
       break;
@@ -349,9 +161,7 @@ class Dialog extends Panel {
   }
 
   /**
-   * Handle an `'after-attach'` message to the widget.
-   *
-   * @param msg - The `'after-attach'` message
+   *  A message handler invoked on a `'before-attach'` message.
    */
   protected onAfterAttach(msg: Message): void {
     let node = this.node;
@@ -359,45 +169,49 @@ class Dialog extends Panel {
     node.addEventListener('contextmenu', this, true);
     node.addEventListener('click', this, true);
     document.addEventListener('focus', this, true);
-    document.addEventListener('blur', this, true);
+    this._first = Private.findFirstFocusable(this.node);
     this._original = document.activeElement as HTMLElement;
     this._primary.focus();
   }
 
-
   /**
-   * Handle a `'before-detach'` message to the widget.
-   *
-   * @param msg - The `'after-attach'` message
+   *  A message handler invoked on a `'after-detach'` message.
    */
-  protected onBeforeDetach(msg: Message): void {
+  protected onAfterDetach(msg: Message): void {
     let node = this.node;
     node.removeEventListener('keydown', this, true);
     node.removeEventListener('contextmenu', this, true);
     node.removeEventListener('click', this, true);
     document.removeEventListener('focus', this, true);
-    document.removeEventListener('blur', this, true);
     this._original.focus();
   }
 
+  /**
+   * A message handler invoked on a `'close-request'` message.
+   */
+  protected onCloseRequest(msg: Message): void {
+    if (this._promise) {
+      this.reject();
+    }
+    super.onCloseRequest(msg);
+  }
+
   /**
    * Handle the `'click'` event for a dialog button.
    *
    * @param event - The DOM event sent to the widget
    */
   protected _evtClick(event: MouseEvent): void {
-    let content = this.node.getElementsByClassName(CONTENT_CLASS)[0] as HTMLElement;
+    let content = this.node.getElementsByClassName('jp-Dialog-content')[0] as HTMLElement;
     if (!content.contains(event.target as HTMLElement)) {
-      this.close();
-      this.resolve(cancelButton);
       event.stopPropagation();
+      event.preventDefault();
       return;
     }
     for (let buttonNode of this._buttonNodes) {
       if (buttonNode.contains(event.target as HTMLElement)) {
-        this.close();
-        let button = this._buttons[this._buttonNodes.indexOf(buttonNode)];
-        this.resolve(button);
+        let index = this._buttonNodes.indexOf(buttonNode);
+        this.resolve(index);
       }
     }
   }
@@ -410,24 +224,24 @@ class Dialog extends Panel {
   protected _evtKeydown(event: KeyboardEvent): void {
     // Check for escape key
     switch (event.keyCode) {
-    case 27:
-      this.close();
-      this.resolve(cancelButton);
+    case 27:  // Escape.
+      event.stopPropagation();
+      event.preventDefault();
+      this.reject();
       break;
-    case 9:
+    case 9:  // Tab.
       // Handle a tab on the last button.
-      if (document.activeElement === this.lastButtonNode && !event.shiftKey) {
+      let node = this._buttonNodes[this._buttons.length - 1];
+      if (document.activeElement === node && !event.shiftKey) {
         event.stopPropagation();
         event.preventDefault();
-        if (!this._first) {
-          this._findFirst();
-        }
         this._first.focus();
       }
       break;
-    case 13:
-      this.close();
-      this.resolve(this._buttons[this._buttons.length - 1]);
+    case 13:  // Enter.
+      event.stopPropagation();
+      event.preventDefault();
+      this.resolve();
       break;
     default:
       break;
@@ -443,171 +257,416 @@ class Dialog extends Panel {
     let target = event.target as HTMLElement;
     if (!this.node.contains(target as HTMLElement)) {
       event.stopPropagation();
-      this.lastButtonNode.focus();
-    } else {
-      // Add the focus modifier class to input and select wrappers.
-      if (target.classList.contains(INPUT_CLASS) ||
-          target.classList.contains(SELECT_CLASS)) {
-        let parent = target.parentElement as HTMLElement;
-        parent.classList.add(FOCUS_CLASS);
-      }
+      this._buttonNodes[this._defaultButton].focus();
     }
   }
 
   /**
-   * Handle the `'blur'` event for the widget.
-   *
-   * @param event - The DOM event sent to the widget
+   * Resolve a button item.
    */
-  protected _evtBlur(event: FocusEvent): void {
-    let target = event.target as HTMLElement;
-    // Remove the focus modifier class to input and select wrappers.
-    if (target.classList.contains(INPUT_CLASS) ||
-        target.classList.contains(SELECT_CLASS)) {
-      let parent = target.parentElement as HTMLElement;
-      parent.classList.remove(FOCUS_CLASS);
-    }
+  private _resolve(item: Dialog.IButton): void {
+    // Prevent loopback.
+    let promise = this._promise;
+    this._promise = null;
+    this.close();
+    promise.resolve(item);
   }
 
+  private _buttonNodes: ReadonlyArray<HTMLElement>;
+  private _buttons: ReadonlyArray<Dialog.IButton>;
+  private _original: HTMLElement;
+  private _first: HTMLElement;
+  private _primary: HTMLElement;
+  private _promise: PromiseDelegate<Dialog.IButton> | null;
+  private _defaultButton: number;
+  private _host: HTMLElement;
+}
+
+
+/**
+ * The namespace for Dialog class statics.
+ */
+export
+namespace Dialog {
   /**
-   * Handle the `'contextmenu'` event for the widget.
-   *
-   * @param event - The DOM event sent to the widget
+   * The options used to create a dialog.
    */
-  protected _evtContextMenu(event: Event): void {
-    event.preventDefault();
-    event.stopPropagation();
+  export
+  interface IOptions {
+    /**
+     * The top level text for the dialog.  Defaults to an empty string.
+     */
+    title?: string;
+
+    /**
+     * The main body element for the dialog or a message to display.
+     * Defaults to an empty string.
+     *
+     * #### Notes
+     * A string argument will be used as raw `textContent`.
+     * All `input` and `select` nodes will be wrapped and styled.
+     */
+    body?: BodyType;
+
+    /**
+     * The host element for the dialog. Defaults to `document.body`.
+     */
+    host?: HTMLElement;
+
+    /**
+     * The to buttons to display. Defaults to cancel and accept buttons.
+     */
+    buttons?: ReadonlyArray<IButton>;
+
+    /**
+     * The index of the default button.  Defaults to the last button.
+     */
+    defaultButton?: number;
+
+    /**
+     * The primary element that should take focus in the dialog.
+     * Defaults to the default button's element.
+     */
+    primaryElement?: HTMLElement;
+
+    /**
+     * An optional renderer for dialog items.  Defaults to a shared
+     * default renderer.
+     */
+    renderer?: IRenderer;
   }
 
   /**
-   * Find the first focusable item in the dialog.
+   * The options used to make a button item.
    */
-  private _findFirst(): void {
-    let candidateSelectors = [
-      'input',
-      'select',
-      'a[href]',
-      'textarea',
-      'button',
-      '[tabindex]',
-    ].join(',');
+  export
+  interface IButton {
+    /**
+     * The label for the button.
+     */
+    label: string;
+
+    /**
+     * The icon class for the button.
+     */
+    icon: string;
+
+    /**
+     * The caption for the button.
+     */
+    caption: string;
+
+    /**
+     * The extra class name for the button.
+     */
+    className: string;
+
+    /**
+     * The dialog action to perform when the button is clicked.
+     */
+    accept: boolean;
+
+    /**
+     * The button display type.
+     */
+    displayType: 'default' | 'warn';
+  }
+
+  /**
+   * The options used to create a button.
+   */
+  export
+  type ButtonOptions = Partial<IButton>;
+
+  /**
+   * The body input types.
+   */
+  export
+  type BodyType = Widget | HTMLElement | string;
+
+  /**
+   * Create an accept button.
+   */
+  export
+  function okButton(options: ButtonOptions = {}): Readonly<IButton> {
+    options.accept = true;
+    return createButton(options);
+  };
+
+  /**
+   * Create a reject button.
+   */
+  export
+  function cancelButton(options: ButtonOptions = {}): Readonly<IButton>  {
+    options.accept = false;
+    return createButton(options);
+  };
 
-    this._first = this.node.querySelectorAll(candidateSelectors)[0] as HTMLElement;
+  /**
+   * Create a warn button.
+   */
+  export
+  function warnButton(options: ButtonOptions = {}): Readonly<IButton>  {
+    options.displayType = 'warn';
+    return createButton(options);
+  };
+
+  /**
+   * Create a button item.
+   */
+  export
+  function createButton(value: Dialog.ButtonOptions): Readonly<IButton>  {
+    value.accept = value.accept !== false;
+    let defaultLabel = value.accept ? 'OK' : 'CANCEL';
+    return {
+      label: value.label || defaultLabel,
+      icon: value.icon || '',
+      caption: value.caption || '',
+      className: value.className || '',
+      accept: value.accept,
+      displayType: value.displayType || 'default'
+    };
   }
+
   /**
-   * The resolution function of the dialog Promise.
+   * A dialog renderer.
    */
-  protected resolve: (value: IButtonItem) => void;
+  export
+  interface IRenderer {
+    /**
+     * Create the header of the dialog.
+     *
+     * @param title - The title of the dialog.
+     *
+     * @returns A widget for the dialog header.
+     */
+    createHeader(title: string): Widget;
+
+    /**
+     * Create the body of the dialog.
+     *
+     * @param value - The input value for the body.
+     *
+     * @returns A widget for the body.
+     */
+    createBody(body: BodyType): Widget;
+
+    /**
+     * Create the footer of the dialog.
+     *
+     * @param buttons - The button nodes to add to the footer.
+     *
+     * @returns A widget for the footer.
+     */
+    createFooter(buttons: ReadonlyArray<HTMLElement>): Widget;
+
+    /**
+     * Create a button node for the dialog.
+     *
+     * @param button - The button data.
+     *
+     * @returns A node for the button.
+     */
+    createButtonNode(button: IButton): HTMLElement;
+  }
 
   /**
-   * The rejection function of the dialog Promise.
+   * The default implementation of a dialog renderer.
    */
-  protected reject: (error: any) => void;
+  export
+  class Renderer {
+    /**
+     * Create the header of the dialog.
+     *
+     * @param title - The title of the dialog.
+     *
+     * @returns A widget for the dialog header.
+     */
+    createHeader(title: string): Widget {
+      let header = new Widget();
+      header.addClass('jp-Dialog-header');
+      let titleNode = document.createElement('span');
+      titleNode.textContent = title;
+      titleNode.className = 'jp-Dialog-title';
+      header.node.appendChild(titleNode);
+      return header;
+    }
 
-  private _buttonNodes: HTMLButtonElement[];
-  private _buttons: IButtonItem[];
-  private _original: HTMLElement;
-  private _first: HTMLElement;
-  private _primary: HTMLElement;
-}
+    /**
+     * Create the body of the dialog.
+     *
+     * @param value - The input value for the body.
+     *
+     * @returns A widget for the body.
+     */
+    createBody(value: BodyType): Widget {
+      let body: Widget;
+      if (typeof value === 'string') {
+        body = new Widget({ node: document.createElement('span') });
+        body.node.textContent = value;
+      } else if (value instanceof Widget) {
+        body = value;
+      } else {
+        body = new Widget({ node: value });
+      }
+      body.addClass('jp-Dialog-body');
+      Styling.styleNode(body.node);
+      return body;
+    }
 
+    /**
+     * Create the footer of the dialog.
+     *
+     * @param buttonNodes - The buttons nodes to add to the footer.
+     *
+     * @returns A widget for the footer.
+     */
+    createFooter(buttons: ReadonlyArray<HTMLElement>): Widget {
+      let footer = new Widget();
+      footer.addClass('jp-Dialog-footer');
+      each(buttons, button => {
+        footer.node.appendChild(button);
+      });
+      Styling.styleNode(footer.node);
+      return footer;
+    }
 
-/**
- * Create a dialog body widget from a non-widget input.
- */
-function createDialogBody(body: HTMLElement | string): Widget {
-  let child: HTMLElement;
-  if (typeof body === 'string') {
-    child = document.createElement('span');
-    child.innerHTML = body as string;
-  } else if (body) {
-    child = body as HTMLElement;
-    switch (child.tagName) {
-    case 'INPUT':
-      child = wrapInput(child as HTMLInputElement);
-      break;
-    case 'SELECT':
-      child = wrapSelect(child as HTMLSelectElement);
-      break;
-    default:
-      child = styleElements(child);
-      break;
+    /**
+     * Create a button node for the dialog.
+     *
+     * @param button - The button data.
+     *
+     * @returns A node for the button.
+     */
+    createButtonNode(button: IButton): HTMLElement {
+      let className = this.createItemClass(button);
+      // We use realize here instead of creating
+      // nodes with document.createElement as a
+      // shorthand, and only because this is not
+      // called often.
+      return VirtualDOM.realize(
+        h.button({ className },
+              this.renderIcon(button),
+              this.renderLabel(button))
+      );
     }
-  }
-  child.classList.add(BODY_CONTENT_CLASS);
-  return new Widget({node: child});
-}
 
+    /**
+     * Create the class name for the button.
+     *
+     * @param data - The data to use for the class name.
+     *
+     * @returns The full class name for the button.
+     */
+    createItemClass(data: IButton): string {
+      // Setup the initial class name.
+      let name = 'jp-Dialog-button';
+
+      // Add the other state classes.
+      if (data.accept) {
+        name += ' jp-mod-accept';
+      } else {
+        name += ' jp-mod-reject';
+      }
+      if (data.displayType === 'warn') {
+        name += ' jp-mod-warn';
+      }
+
+      // Add the extra class.
+      let extra = data.className;
+      if (extra) {
+        name += ` ${extra}`;
+      }
 
-/**
- * Style the child elements of a parent element.
- */
-function styleElements(element: HTMLElement): HTMLElement {
-  for (let i = 0; i < element.children.length; i++) {
-    let child = element.children[i];
-    let next = child.nextSibling;
-    switch (child.tagName) {
-    case 'INPUT':
-      child = wrapInput(child as HTMLInputElement);
-      element.insertBefore(child, next);
-      break;
-    case 'SELECT':
-      child = wrapSelect(child as HTMLSelectElement);
-      element.insertBefore(child, next);
-      break;
-    default:
-      break;
+      // Return the complete class name.
+      return name;
     }
-  }
-  return element;
-}
 
+    /**
+     * Render an icon element for a dialog item.
+     *
+     * @param data - The data to use for rendering the icon.
+     *
+     * @returns A virtual element representing the icon.
+     */
+    renderIcon(data: IButton): VirtualElement {
+      return h.div({ className: this.createIconClass(data) });
+    }
 
-/**
- * Create a node for a button item.
- */
-function createButton(item: IButtonItem): HTMLButtonElement {
-  let button = document.createElement('button') as HTMLButtonElement;
-  button.className = BUTTON_CLASS;
-  button.tabIndex = 0;
-  if (item.className) {
-    button.classList.add(item.className);
-  }
-  let icon = document.createElement('span');
-  icon.className = BUTTON_ICON_CLASS;
-  if (item.icon) {
-    icon.classList.add(item.icon);
-  }
-  let text = document.createElement('span');
-  text.className = BUTTON_TEXT_CLASS;
-  text.textContent = item.text;
-  button.appendChild(icon);
-  button.appendChild(text);
-  return button;
-}
+    /**
+     * Create the class name for the button icon.
+     *
+     * @param data - The data to use for the class name.
+     *
+     * @returns The full class name for the item icon.
+     */
+    createIconClass(data: IButton): string {
+      let name = 'jp-Dialog-buttonIcon';
+      let extra = data.icon;
+      return extra ? `${name} ${extra}` : name;
+    }
 
+    /**
+     * Render the label element for a button.
+     *
+     * @param data - The data to use for rendering the label.
+     *
+     * @returns A virtual element representing the item label.
+     */
+    renderLabel(data: IButton): VirtualElement {
+      let className = 'jp-Dialog-buttonLabel';
+      let title = data.caption;
+      return h.div({ className, title }, data.label);
+    }
+  }
 
-/**
- * Wrap and style an input node.
- */
-function wrapInput(input: HTMLInputElement): HTMLElement {
-  let wrapper = document.createElement('div');
-  wrapper.className = INPUT_WRAPPER_CLASS;
-  wrapper.appendChild(input);
-  input.classList.add(INPUT_CLASS);
-  input.tabIndex = 0;
-  return wrapper;
+  /**
+   * The default renderer instance.
+   */
+  export
+  const defaultRenderer = new Renderer();
 }
 
 
 /**
- * Wrap and style a select node.
+ * The namespace for module private data.
  */
-function wrapSelect(select: HTMLSelectElement): HTMLElement {
-  let wrapper = document.createElement('div');
-  wrapper.className = SELECT_WRAPPER_CLASS;
-  wrapper.appendChild(select);
-  select.classList.add(SELECT_CLASS);
-  select.tabIndex = 0;
-  return wrapper;
+namespace Private {
+  /**
+   * Handle the input options for a dialog.
+   *
+   * @param options - The input options.
+   *
+   * @returns A new options object with defaults applied.
+   */
+  export
+  function handleOptions(options: Dialog.IOptions): Dialog.IOptions {
+    let newOptions: Dialog.IOptions = {};
+    newOptions.title = options.title || '';
+    newOptions.body = options.body || '';
+    newOptions.host = options.host || document.body;
+    newOptions.buttons = (
+      options.buttons || [Dialog.cancelButton(), Dialog.okButton()]
+    );
+    newOptions.defaultButton = options.defaultButton || newOptions.buttons.length - 1;
+    newOptions.renderer = options.renderer || Dialog.defaultRenderer;
+    newOptions.primaryElement = options.primaryElement;
+    return newOptions;
+  }
+
+  /**
+   *  Find the first focusable item in the dialog.
+   */
+  export
+  function findFirstFocusable(node: HTMLElement): HTMLElement {
+    let candidateSelectors = [
+      'input',
+      'select',
+      'a[href]',
+      'textarea',
+      'button',
+      '[tabindex]',
+    ].join(',');
+    return node.querySelectorAll(candidateSelectors)[0] as HTMLElement;
+  }
 }

+ 95 - 0
src/common/styling.css

@@ -0,0 +1,95 @@
+
+/*-----------------------------------------------------------------------------
+| Copyright (c) 2014-2017, Jupyter Development Team.
+|
+| Distributed under the terms of the Modified BSD License.
+|----------------------------------------------------------------------------*/
+
+button.jp-mod-styled {
+  font-size: var(--jp-ui-font-size1);
+  border: none;
+  box-sizing: border-box;
+  outline: none;
+  text-transform: uppercase;
+  line-height: 32px;
+  height: 32px;
+  padding: 0px 4px;
+  letter-spacing: 1px;
+  outline: none;
+  appearance: none;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+}
+
+
+input.jp-mod-styled {
+  background: white;
+  height: 28px;
+  box-sizing: border-box;
+  border: var(--jp-border-width) solid var(--jp-border-color1);
+  padding-left: 7px;
+  padding-right: 7px;
+  font-size: var(--jp-ui-font-size2);
+  color: var(--jp-ui-font-color0);
+  outline: none;
+  appearance: none;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+}
+
+
+input.jp-mod-styled:focus,
+button.jp-mod-styled:focus {
+  border: var(--jp-border-width) solid var(--md-blue-500);
+  box-shadow: inset 0 0 4px var(--md-blue-300);
+}
+
+.jp-select-wrapper {
+  display: flex;
+  flex-direction: column;
+  padding: 1px;
+  background: white;
+  height: 28px;
+  box-sizing: border-box;
+  margin-bottom: 12px;
+}
+
+
+.jp-select-wrapper.jp-mod-focused{
+  border: var(--jp-border-width) solid var(--md-blue-500);
+  box-shadow: inset 0 0 4px var(--md-blue-300);
+}
+
+
+.jp-select-wrapper:hover,
+ input.jp-mod-styled:hover {
+  background-color: var(--md-grey-200);
+  box-shadow: inset 0 0px 1px rgba(0, 0, 0, 0.5);
+}
+
+
+select.jp-mod-styled:hover {
+  background-color: var(--md-grey-200);
+}
+
+
+select.jp-mod-styled {
+  flex: 1 1 auto;
+  height: 32px;
+  width: 100%;
+  font-size: var(--jp-ui-font-size2);
+  background: white;
+  color: var(--jp-ui-font-color0);
+  padding-left: 8px;
+  padding-right: 8px;
+  background-image: var(--jp-ui-select-caret);
+  background-repeat: no-repeat;
+  background-position: right center;
+  background-size: 20px;
+  border: none;
+  border-radius: 0px;
+  outline: none;
+  appearance: none;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+}

+ 90 - 0
src/common/styling.ts

@@ -0,0 +1,90 @@
+// Copyright (c) Jupyter Development Team.
+// Distributed under the terms of the Modified BSD License.
+
+/**
+ * A namespace for node styling.
+ */
+export
+namespace Styling {
+  /**
+   * Style a node and its child elements with the default tag names.
+   *
+   * @param node - The base node.
+   *
+   * @param className - The optional CSS class to add to styled nodes.
+   */
+  export
+  function styleNode(node: HTMLElement, className=''): void {
+    styleNodeByTag(node, 'select', className);
+    styleNodeByTag(node, 'input', className);
+    styleNodeByTag(node, 'button', className);
+  }
+
+
+  /**
+   * Style a node and its elements that have a given tag name.
+   *
+   * @param node - The base node.
+   *
+   * @param tagName - The html tag name to style.
+   *
+   * @param className - The optional CSS class to add to styled nodes.
+   */
+  export
+  function styleNodeByTag(node: HTMLElement, tagName: string, className=''): void {
+    if (node.localName === tagName) {
+      node.classList.add('jp-mod-styled');
+    }
+    if (node.localName === 'select') {
+      wrapSelect(node as HTMLSelectElement);
+    }
+    let nodes = node.getElementsByTagName(tagName);
+    for (let i = 0; i < nodes.length; i++) {
+      let child = nodes[i];
+      child.classList.add('jp-mod-styled');
+      if (className) {
+        child.classList.add(className);
+      }
+      if (tagName === 'select') {
+        wrapSelect(child as HTMLSelectElement);
+      }
+    }
+  }
+
+  /**
+   * Wrap a select node.
+   */
+  export
+  function wrapSelect(node: HTMLSelectElement): HTMLElement {
+    let wrapper = document.createElement('div');
+    wrapper.classList.add('jp-select-wrapper');
+    node.addEventListener('focus', Private.onFocus);
+    node.addEventListener('blur', Private.onFocus);
+    node.classList.add('jp-mod-styled');
+    if (node.parentElement) {
+      node.parentElement.replaceChild(wrapper, node);
+    }
+    wrapper.appendChild(node);
+    return wrapper;
+  }
+}
+
+
+/**
+ * The namespace for module private data.
+ */
+namespace Private {
+  /**
+   * Handle a focus event on a styled select.
+   */
+   export
+   function onFocus(event: FocusEvent): void {
+      let target = event.target as Element;
+      let parent = target.parentElement;
+      if (event.type === 'focus') {
+        parent.classList.add('jp-mod-focused');
+      } else {
+        parent.classList.remove('jp-mod-focused');
+     }
+    }
+}

+ 3 - 3
src/console/plugin.ts

@@ -30,7 +30,7 @@ import {
 } from '../common/dates';
 
 import {
-  showDialog, cancelButton, warnButton
+  showDialog, Dialog
 } from '../common/dialog';
 
 import {
@@ -303,9 +303,9 @@ function activateConsole(app: JupyterLab, services: IServiceManager, rendermime:
       return showDialog({
         title: 'Shutdown the console?',
         body: `Are you sure you want to close "${current.title.label}"?`,
-        buttons: [cancelButton, warnButton]
+        buttons: [Dialog.cancelButton(), Dialog.warnButton()]
       }).then(result => {
-        if (result.text === 'OK') {
+        if (result.accept) {
           current.console.session.shutdown().then(() => {
             current.dispose();
           });

+ 1 - 0
src/default-theme/index.css

@@ -25,6 +25,7 @@
 @import '../common/dialog.css';
 @import '../common/iframe.css';
 @import '../common/observablejson.css';
+@import '../common/styling.css';
 @import '../completer/index.css';
 @import '../console/index.css';
 @import '../csvwidget/index.css';

+ 2 - 0
src/default-theme/variables.css

@@ -143,4 +143,6 @@ all of MD as it is not optimized for dense, information rich UIs.
 
   --jp-notebook-scroll-padding: 100px;
 
+  /* The caret used for select dropdown styling. */
+  --jp-ui-select-caret: url('./images/down_caret.svg')
 }

+ 7 - 5
src/docmanager/savehandler.ts

@@ -14,7 +14,7 @@ import {
 } from '@phosphor/signaling';
 
 import {
-okButton, cancelButton, showDialog
+Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -159,17 +159,19 @@ class SaveHandler implements IDisposable {
                `Do you want to overwrite the file on disk with the version ` +
                ` open here, or load the version on disk (revert)?`;
     this._inDialog = true;
+    let revertBtn = Dialog.okButton({ label: 'REVERT' });
+    let overwriteBtn = Dialog.warnButton({ label: 'OVERWRITE' });
     return showDialog({
-      title: 'File Changed', body, okText: 'OVERWRITE',
-      buttons: [cancelButton, { text: 'REVERT' }, okButton]
+      title: 'File Changed', body,
+      buttons: [Dialog.cancelButton(), revertBtn, overwriteBtn]
     }).then(result => {
       if (this.isDisposed) {
         return;
       }
       this._inDialog = false;
-      if (result.text === 'OVERWRITE') {
+      if (result.label === 'OVERWRITE') {
         return this._finishSave();
-      } else if (result.text === 'REVERT') {
+      } else if (result.label === 'REVERT') {
         return this._context.revert();
       }
     });

+ 3 - 6
src/docmanager/widgetmanager.ts

@@ -30,7 +30,7 @@ import {
 } from '../common/dates';
 
 import {
-  showDialog, cancelButton, warnButton
+  showDialog, Dialog
 } from '../common/dialog';
 
 import {
@@ -299,12 +299,9 @@ class DocumentWidgetManager implements IDisposable {
     return showDialog({
       title: 'Close without saving?',
       body: `File "${fileName}" has unsaved changes, close without saving?`,
-      buttons: [cancelButton, warnButton]
+      buttons: [Dialog.cancelButton(), Dialog.warnButton()]
     }).then(value => {
-      if (value && value.text === 'OK') {
-        return true;
-      }
-      return false;
+      return value.accept;
     });
   }
 

+ 7 - 6
src/docregistry/context.ts

@@ -26,7 +26,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog, okButton
+  showDialog, Dialog
 } from '../common/dialog';
 
 import {
@@ -273,7 +273,7 @@ class Context<T extends DocumentRegistry.IModel> implements DocumentRegistry.ICo
       showDialog({
         title: 'File Save Error',
         body: err.xhr.responseText,
-        buttons: [okButton]
+        buttons: [Dialog.okButton()]
       });
     });
   }
@@ -334,7 +334,7 @@ class Context<T extends DocumentRegistry.IModel> implements DocumentRegistry.ICo
       showDialog({
         title: 'File Load Error',
         body: err.xhr.responseText,
-        buttons: [okButton]
+        buttons: [Dialog.okButton()]
       });
     });
   }
@@ -457,7 +457,7 @@ class Context<T extends DocumentRegistry.IModel> implements DocumentRegistry.ICo
       showDialog({
         title: 'Error Starting Kernel',
         body,
-        buttons: [okButton]
+        buttons: [Dialog.okButton()]
       });
       return Promise.reject(err);
     });
@@ -597,12 +597,13 @@ namespace Private {
   function getSavePath(path: string): Promise<string> {
     let input = document.createElement('input');
     input.value = path;
+    let saveBtn = Dialog.okButton({ label: 'SAVE' });
     return showDialog({
       title: 'Save File As..',
       body: input,
-      okText: 'SAVE'
+      buttons: [Dialog.cancelButton(), saveBtn]
     }).then(result => {
-      if (result.text === 'SAVE') {
+      if (result.label === 'SAVE') {
         return input.value;
       }
     });

+ 4 - 3
src/docregistry/kernelactions.ts

@@ -10,7 +10,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog, cancelButton, warnButton
+  showDialog, Dialog
 } from '../common/dialog';
 
 
@@ -31,15 +31,16 @@ function restartKernel(kernel: Kernel.IKernel, host?: Widget): Promise<boolean>
   if (!kernel) {
     return Promise.resolve(false);
   }
+  let restartBtn = Dialog.warnButton({ label: 'RESTART '});
   return showDialog({
     title: 'Restart Kernel?',
     body: 'Do you want to restart the current kernel? All variables will be lost.',
-    buttons: [cancelButton, warnButton]
+    buttons: [Dialog.cancelButton(), restartBtn]
   }).then(result => {
     if (host) {
       host.activate();
     }
-    if (!kernel.isDisposed && result.text === 'OK') {
+    if (!kernel.isDisposed && result.accept) {
       return kernel.restart().then(() => { return true; });
     } else {
       return false;

+ 4 - 3
src/docregistry/kernelselector.ts

@@ -14,7 +14,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -109,13 +109,14 @@ function selectKernel(options: IKernelSelection): Promise<Kernel.IModel> {
 
   // Get the current sessions, populate the kernels, and show the dialog.
   populateKernels(selector, { specs, sessions, preferredLanguage, kernel });
+  let select = Dialog.okButton({ label: 'SELECT' });
   return showDialog({
     title: 'Select Kernel',
     body,
-    okText: 'SELECT'
+    buttons: [Dialog.cancelButton(), select]
   }).then(result => {
     // Change the kernel if a kernel was selected.
-    if (result.text === 'SELECT') {
+    if (result.accept) {
       return JSON.parse(selector.value) as Kernel.IModel;
     }
     return void 0;

+ 5 - 3
src/filebrowser/buttons.ts

@@ -22,7 +22,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -502,12 +502,14 @@ namespace Private {
    * Upload a file to the server checking for override.
    */
   function uploadFileOverride(widget: FileButtons, file: File): Promise<any> {
+    let overwrite = Dialog.warnButton({ label: 'OVERWRITE' });
     let options = {
       title: 'Overwrite File?',
-      body: `"${file.name}" already exists, overwrite?`
+      body: `"${file.name}" already exists, overwrite?`,
+      buttons: [Dialog.cancelButton(), overwrite]
     };
     return showDialog(options).then(button => {
-      if (widget.isDisposed || button.text !== 'Ok') {
+      if (widget.isDisposed || button.accept) {
         return;
       }
       return widget.model.upload(file, true);

+ 4 - 3
src/filebrowser/crumbs.ts

@@ -22,7 +22,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -264,13 +264,14 @@ class BreadCrumbs extends Widget {
           error.message = `${error.xhr.status}: error.statusText`;
         }
         if (error.message.ArrayExt.firstIndexOf('409') !== -1) {
+          let overwrite = Dialog.warnButton({ label: 'OVERWRITE' });
           let options = {
             title: 'Overwrite file?',
             body: `"${newPath}" already exists, overwrite?`,
-            okText: 'OVERWRITE'
+            buttons: [Dialog.cancelButton(), overwrite]
           };
           return showDialog(options).then(button => {
-            if (!model.isDisposed && button.text === 'OVERWRITE') {
+            if (!model.isDisposed && button.accept) {
               return model.deleteFile(newPath).then(() => {
                 if (!model.isDisposed) {
                   return this._model.rename(name, newPath);

+ 13 - 12
src/filebrowser/dialogs.ts

@@ -14,7 +14,7 @@ import {
 } from '@phosphor/widgets';
 
 import {
-  showDialog
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -66,11 +66,11 @@ function openWithDialog(path: string, manager: DocumentManager, host?: HTMLEleme
     return showDialog({
       title: 'Open File',
       body: handler.node,
-      primary: handler.inputNode,
-      okText: 'OPEN'
+      primaryElement: handler.inputNode,
+      buttons: [Dialog.cancelButton(), Dialog.okButton({ label: 'OPEN' })]
     });
   }).then(result => {
-    if (result.text === 'OPEN') {
+    if (result.accept) {
       return handler.open();
     }
   });
@@ -89,11 +89,11 @@ function createNewDialog(model: FileBrowserModel, manager: DocumentManager, host
       title: 'Create New File',
       host,
       body: handler.node,
-      primary: handler.inputNode,
-      okText: 'CREATE'
+      primaryElement: handler.inputNode,
+      buttons: [Dialog.cancelButton(), Dialog.okButton({ label: 'OPEN' })]
     });
   }).then(result => {
-    if (result.text === 'CREATE') {
+    if (result.accept) {
       return handler.open();
     }
   });
@@ -109,14 +109,15 @@ function renameFile(model: FileBrowserModel, oldPath: string, newPath: string):
     if (error.xhr) {
       error.message = `${error.xhr.statusText} ${error.xhr.status}`;
     }
+    let overwriteBtn = Dialog.warnButton({ label: 'OVERWRITE' });
     if (error.message.indexOf('409') !== -1) {
       let options = {
         title: 'Overwrite file?',
         body: `"${newPath}" already exists, overwrite?`,
-        okText: 'OVERWRITE'
+        buttons: [Dialog.cancelButton(), overwriteBtn]
       };
       return showDialog(options).then(button => {
-        if (button.text === 'OVERWRITE') {
+        if (button.accept) {
           return model.deleteFile(newPath).then(() => {
             return model.rename(oldPath, newPath);
           });
@@ -283,10 +284,10 @@ class CreateFromHandler extends Widget {
     return showDialog({
       title: `Create New ${this._creatorName}`,
       body: this.node,
-      primary: this.inputNode,
-      okText: 'CREATE'
+      primaryElement: this.inputNode,
+      buttons: [Dialog.cancelButton(), Dialog.okButton({ label: 'CREATE' })]
     }).then(result => {
-      if (result.text === 'CREATE') {
+      if (result.accept) {
         return this._open().then(widget => {
           if (!widget) {
             return this.showDialog();

+ 3 - 4
src/filebrowser/listing.ts

@@ -34,7 +34,7 @@ import {
 } from '../common/dates';
 
 import {
-  showDialog, cancelButton, deleteButton
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -372,10 +372,9 @@ class DirListing extends Widget {
       return showDialog({
         title: 'Delete file?',
         body: message,
-        okText: 'DELETE',
-        buttons: [cancelButton, deleteButton]
+        buttons: [Dialog.cancelButton(), Dialog.warnButton({ label: 'DELETE'})]
       }).then(result => {
-        if (!this.isDisposed && result.text === 'DELETE') {
+        if (!this.isDisposed && result.accept) {
           return this._delete(names);
         }
       });

+ 2 - 2
src/filebrowser/utils.ts

@@ -2,7 +2,7 @@
 // Distributed under the terms of the Modified BSD License.
 
 import {
-  okButton, showDialog
+  Dialog, showDialog
 } from '../common/dialog';
 
 export * from '../common/dom';
@@ -42,7 +42,7 @@ function showErrorMessage(title: string, error: Error): Promise<void> {
   let options = {
     title: title,
     body: error.message || `File ${title}`,
-    buttons: [okButton],
+    buttons: [Dialog.okButton()],
     okText: 'DISMISS'
   };
   return showDialog(options).then(() => { /* no-op */ });

+ 8 - 20
src/notebook/celltools.ts

@@ -53,6 +53,10 @@ import {
   IObservableMap, ObservableMap
 } from '../common/observablemap';
 
+import {
+  Styling
+} from '../common/styling';
+
 import {
   INotebookTracker
 } from './';
@@ -98,11 +102,6 @@ const COLLAPSED_CLASS = 'jp-mod-collapsed';
  */
 const KEYSELECTOR_CLASS = 'jp-KeySelector';
 
-/**
- * The class name added to a select wrapper.
- */
-const SELECT_WRAPPER_CLASS = 'jp-KeySelector-selectWrapper';
-
 /**
  * The class name added to a wrapper that has focus.
  */
@@ -567,17 +566,10 @@ namespace CellTools {
      * not be called directly by user code.
      */
     handleEvent(event: Event): void {
-      let wrapper = this.node.getElementsByClassName(SELECT_WRAPPER_CLASS)[0];
       switch (event.type) {
         case 'change':
           this.onValueChanged();
           break;
-        case 'focus':
-          wrapper.classList.add(FOCUS_CLASS);
-          break;
-        case 'blur':
-          wrapper.classList.remove(FOCUS_CLASS);
-          break;
         default:
           break;
       }
@@ -589,8 +581,6 @@ namespace CellTools {
     protected onAfterAttach(msg: Message): void {
       let node = this.selectNode;
       node.addEventListener('change', this);
-      node.addEventListener('focus', this);
-      node.addEventListener('blur', this);
     }
 
     /**
@@ -599,8 +589,6 @@ namespace CellTools {
     protected onBeforeDetach(msg: Message): void {
       let node = this.selectNode;
       node.removeEventListener('change', this);
-      node.removeEventListener('focus', this);
-      node.removeEventListener('blur', this);
     }
 
     /**
@@ -776,13 +764,13 @@ namespace Private {
       let value = JSON.stringify(options.optionsMap[label]);
       optionNodes.push(h.option({ label, value }));
     }
-    return VirtualDOM.realize(
+    let node = VirtualDOM.realize(
       h.div({},
         h.label(title),
-        h.div({ className: SELECT_WRAPPER_CLASS },
-          h.select({},
-            optionNodes)))
+        h.select({}, optionNodes))
     );
+    Styling.styleNode(node);
+    return node;
   }
 
   /**

+ 5 - 0
src/notebook/default-toolbar.ts

@@ -17,6 +17,10 @@ import {
   NotebookActions
 } from './actions';
 
+import {
+  Styling
+} from '../common/styling';
+
 import {
   NotebookPanel
 } from './panel';
@@ -220,6 +224,7 @@ class CellTypeSwitcher extends Widget {
     this.addClass(TOOLBAR_CELLTYPE_CLASS);
 
     this._select = this.node.firstChild as HTMLSelectElement;
+    Styling.wrapSelect(this._select);
     this._wildCard = document.createElement('option');
     this._wildCard.value = '-';
     this._wildCard.textContent = '-';

+ 0 - 38
src/notebook/index.css

@@ -257,41 +257,3 @@
 .jp-KeySelector label {
   line-height: 1.4;
 }
-
-
-.jp-KeySelector select {
-  flex: 1 1 auto;
-  height: 32px;
-  font-size: var(--jp-ui-font-size1);
-  background: white;
-  color: var(--jp-ui-font-color0);
-  border: none;
-  border-radius: 0px;
-  outline: none;
-  -webkit-appearance: none;
-  -moz-appearance: none;
-  padding-left: 8px;
-  background-image: url('../default-theme/images/down_caret.svg');
-  background-repeat: no-repeat;
-  background-position: right center;
-  background-size: 20px;
-}
-
-
-.jp-KeySelector-selectWrapper {
-  display: flex;
-  flex-direction: column;
-  padding: 1px;
-  background: white;
-  height: 28px;
-  box-sizing: border-box;
-  border: var(--jp-border-width) solid var(--jp-border-color1);
-  margin-top: 8px;
-  margin-bottom: 4px;
-}
-
-
-.jp-KeySelector-selectWrapper.jp-mod-focused {
-  border: var(--jp-border-width) solid var(--md-blue-500);
-  box-shadow: inset 0 0 4px var(--md-blue-300);
-}

+ 3 - 3
src/notebook/plugin.ts

@@ -50,7 +50,7 @@ import {
 } from '../services';
 
 import {
-  showDialog, cancelButton, warnButton
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -307,9 +307,9 @@ function addCommands(app: JupyterLab, services: IServiceManager, tracker: Notebo
       return showDialog({
         title: 'Shutdown the notebook?',
         body: `Are you sure you want to close "${fileName}"?`,
-        buttons: [cancelButton, warnButton]
+        buttons: [Dialog.cancelButton(), Dialog.warnButton()]
       }).then(result => {
-        if (result.text === 'OK') {
+        if (result.accept) {
           current.context.changeKernel(null).then(() => { current.dispose(); });
         } else {
           return false;

+ 4 - 25
src/notebook/toolbar.css

@@ -13,38 +13,17 @@
 |----------------------------------------------------------------------------*/
 
 
-.jp-Notebook-toolbarCellType select {
-  background: var(--jp-layout-color1);
-}
-
-
-.jp-Notebook-toolbarCellType:hover {
-    background-color: #EEEEEE;
-    box-shadow: inset 0 0px 1px rgba(0, 0, 0, 0.5);
-}
-
-
 .jp-Notebook-toolbarCellType select.jp-Notebook-toolbarCellTypeDropdown {
-  border: var(--jp-border-width) solid var(--jp-border-color4);
-  border-radius: 0;
-  outline: none;
-  width: 100%;
   font-size: var(--jp-ui-font-size1);
   height: 20px;
-  margin-top: 2px;
-  margin-bottom: 2px;
-  -webkit-appearance: none;
-  padding-left: 4px;
-  padding-right: 16px;
-  background-image: url('../default-theme/images/down_caret.svg');
-  background-repeat: no-repeat;
-  background-position: right;
   background-size: 16px;
+  padding-right: 16px;
 }
 
 
-.jp-Notebook-toolbarCellType:hover > .jp-Notebook-toolbarCellTypeDropdown {
-    background-color: #EEEEEE;
+.jp-Notebook-toolbarCellType .jp-select-wrapper.jp-mod-focused {
+  border: none;
+  box-shadow: none;
 }
 
 

+ 4 - 4
src/notebook/trust.ts

@@ -2,7 +2,7 @@
 // Distributed under the terms of the Modified BSD License.
 
 import {
-  showDialog, okButton, cancelButton, warnButton
+  Dialog, showDialog
 } from '../common/dialog';
 
 import {
@@ -43,15 +43,15 @@ function trustNotebook(model: INotebookModel, host?: HTMLElement): Promise<void>
   if (trusted) {
     return showDialog({
       body: 'Notebook is already trusted',
-      buttons: [okButton]
+      buttons: [Dialog.okButton()]
     }).then(() => void 0);
   }
   return showDialog({
     body: TRUST_MESSAGE,
     title: 'Trust this notebook?',
-    buttons: [cancelButton, warnButton]
+    buttons: [Dialog.cancelButton(), Dialog.warnButton()]
   }).then(result => {
-    if (result.text === 'OK') {
+    if (result.accept) {
       for (let i = 0; i < cells.length; i++) {
         let cell = cells.at(i);
         cell.trusted = true;

+ 1 - 5
src/running/index.css

@@ -144,14 +144,10 @@
   white-space: nowrap;
 }
 
-.jp-RunningSessions-itemShutdown {
-  letter-spacing: .8px;
-  flex: 0 0 auto;
-  padding: 0px 4px;
+.jp-RunningSessions-itemShutdown.jp-mod-styled {
   margin: 2px 8px 2px 0px;
   color: var(--jp-inverse-ui-font-color0);
   background: var(--jp-warn-color1);
-  cursor: pointer;
   height: var(--jp-private-running-shutdown-button-height);
   line-height: var(--jp-private-running-shutdown-button-height);
 }

+ 4 - 4
src/running/index.ts

@@ -567,8 +567,8 @@ namespace RunningSessions {
       icon.className = `${ITEM_ICON_CLASS} ${TERMINAL_ICON_CLASS}`;
       let label = document.createElement('span');
       label.className = ITEM_LABEL_CLASS;
-      let shutdown = document.createElement('span');
-      shutdown.className = SHUTDOWN_BUTTON_CLASS;
+      let shutdown = document.createElement('button');
+      shutdown.className = `${SHUTDOWN_BUTTON_CLASS} jp-mod-styled`;
       shutdown.textContent = 'SHUTDOWN';
 
       node.appendChild(icon);
@@ -593,8 +593,8 @@ namespace RunningSessions {
       icon.className = ITEM_ICON_CLASS;
       let label = document.createElement('span');
       label.className = ITEM_LABEL_CLASS;
-      let shutdown = document.createElement('span');
-      shutdown.className = SHUTDOWN_BUTTON_CLASS;
+      let shutdown = document.createElement('button');
+      shutdown.className = `${SHUTDOWN_BUTTON_CLASS} jp-mod-styled`;
       shutdown.textContent = 'SHUTDOWN';
 
       node.appendChild(icon);

+ 470 - 106
test/src/common/dialog.spec.ts

@@ -1,171 +1,535 @@
 // Copyright (c) Jupyter Development Team.
 // Distributed under the terms of the Modified BSD License.
 
-import expect = require('expect.js');
+import {
+  expect
+} from 'chai';
+
+import {
+  each, map, toArray
+} from '@phosphor/algorithm';
 
 import {
   Message
 } from '@phosphor/messaging';
 
+import {
+  VirtualDOM, h
+} from '@phosphor/virtualdom';
+
 import {
   Widget
 } from '@phosphor/widgets';
 
 import {
-  simulate
+  generate, simulate
 } from 'simulate-event';
 
 import {
-  showDialog, okButton
+  Dialog, showDialog
 } from '../../../lib/common/dialog';
 
-import {
-  acceptDialog, dismissDialog
-} from '../utils';
 
+/**
+ * Accept a dialog.
+ */
+function acceptDialog(host: HTMLElement = document.body): void {
+  let node = host.getElementsByClassName('jp-Dialog')[0];
+  simulate(node as HTMLElement, 'keydown', { keyCode: 13 });
+}
+
+
+/**
+ * Reject a dialog.
+ */
+function rejectDialog(host: HTMLElement = document.body): void {
+  let node = host.getElementsByClassName('jp-Dialog')[0];
+  simulate(node as HTMLElement, 'keydown', { keyCode: 27 });
+}
+
+
+class TestDialog extends Dialog {
+  methods: string[] = [];
+  events: string[] = [];
+
+  handleEvent(event: Event): void {
+    super.handleEvent(event);
+    this.events.push(event.type);
+  }
+
+  protected onBeforeAttach(msg: Message): void {
+    super.onBeforeAttach(msg);
+    this.methods.push('onBeforeAttach');
+  }
+
+  protected onAfterDetach(msg: Message): void {
+    super.onAfterDetach(msg);
+    this.methods.push('onAfterDetach');
+  }
+
+  protected onCloseRequest(msg: Message): void {
+    super.onCloseRequest(msg);
+    this.methods.push('onCloseRequest');
+  }
+}
 
-describe('dialog/index', () => {
+
+describe('@jupyterlab/domutils', () => {
 
   describe('showDialog()', () => {
 
-    it('should accept zero arguments', (done) => {
-      showDialog().then(result => {
-        expect(result.text).to.be('CANCEL');
-        done();
-      });
-      Promise.resolve().then(() => {
-        let node = document.body.getElementsByClassName('jp-Dialog')[0];
-        simulate(node as HTMLElement, 'keydown', { keyCode: 27 });
+    it('should accept zero arguments', () => {
+      let promise = showDialog().then(result => {
+        expect(result.accept).to.equal(false);
       });
+      rejectDialog();
+      return promise;
     });
 
-    it('should accept dialog options', (done) => {
+    it('should accept dialog options', () => {
       let node = document.createElement('div');
       document.body.appendChild(node);
       let options = {
         title: 'foo',
         body: 'Hello',
         host: node,
-        buttons: [okButton],
-        okText: 'Yep'
+        buttons: [Dialog.okButton()],
       };
-      showDialog(options).then(result => {
-        expect(result.text).to.be('CANCEL');
-        done();
-      });
-      Promise.resolve().then(() => {
-        let target = document.body.getElementsByClassName('jp-Dialog')[0];
-        simulate(target as HTMLElement, 'keydown', { keyCode: 27 });
+      let promise = showDialog(options).then(result => {
+        expect(result.accept).to.equal(false);
       });
+      rejectDialog();
+      return promise;
     });
 
-    it('should accept an html body', (done) => {
+    it('should accept an html body', () => {
       let body = document.createElement('div');
       let input = document.createElement('input');
       let select = document.createElement('select');
       body.appendChild(input);
       body.appendChild(select);
-      showDialog({ body, okText: 'CONFIRM' }).then(result => {
-        expect(result.text).to.be('CONFIRM');
-        done();
+      let promise = showDialog({ body }).then(result => {
+        expect(result.accept).to.equal(true);
       });
       acceptDialog();
+      return promise;
     });
 
-    it('should accept an input body', (done) => {
-      let body = document.createElement('input');
-      showDialog({ body }).then(result => {
-        expect(result.text).to.be('CANCEL');
-        done();
+    it('should accept a widget body', () => {
+      let body = new Widget();
+      let promise = showDialog({ body }).then(result => {
+        expect(result.accept).to.equal(true);
       });
-      dismissDialog();
+      acceptDialog();
+      return promise;
     });
 
-    it('should accept a select body', (done) => {
-      let body = document.createElement('select');
-      showDialog({ body }).then(result => {
-        expect(result.text).to.be('OK');
-        done();
+
+    describe('Dialog', () => {
+
+      let dialog: TestDialog;
+
+      beforeEach(() => {
+        dialog = new TestDialog();
       });
-      acceptDialog();
-    });
 
-    it('should accept a widget body', (done) => {
-      let body = new Widget({node: document.createElement('div')});
-      showDialog({ body }).then(result => {
-        expect(result.text).to.be('OK');
-        done();
+      afterEach(() => {
+        dialog.dispose();
       });
-      acceptDialog();
-    });
 
-    it('should apply an additional CSS class', (done) => {
-      showDialog({ dialogClass: 'test-class' }).then(result => {
-        expect(result.text).to.be('OK');
-        done();
+      describe('#constructor()', () => {
+
+        it('should create a new dialog', () => {
+          expect(dialog).to.be.an.instanceof(Dialog);
+        });
+
+        it('should accept options', () => {
+          dialog = new TestDialog({
+            title: 'foo',
+            body: 'Hello',
+            buttons: [Dialog.okButton()]
+          });
+          expect(dialog).to.be.an.instanceof(Dialog);
+        });
+
       });
-      Promise.resolve().then(() => {
-        let nodes = document.body.getElementsByClassName('test-class');
-        expect(nodes.length).to.be(1);
-        let node = nodes[0];
-        expect(node.classList).to.eql(['jp-Dialog', 'test-class']);
+
+      describe('#launch()', () => {
+
+        it('should attach the dialog to the host', () => {
+          let host = document.createElement('div');
+          document.body.appendChild(host);
+          dialog = new TestDialog({ host });
+          dialog.launch();
+          expect(host.firstChild).to.equal(dialog.node);
+          dialog.dispose();
+          document.body.removeChild(host);
+        });
+
+        it('should resolve with `true` when accepted', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(true);
+          });
+          dialog.resolve();
+          return promise;
+        });
+
+        it('should resolve with `false` when accepted', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(false);
+          });
+          dialog.reject();
+          return promise;
+        });
+
+        it('should resolve with `false` when closed', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(false);
+          });
+          dialog.close();
+          return promise;
+        });
+
+        it('should return focus to the original focused element', () => {
+          let input = document.createElement('input');
+          document.body.appendChild(input);
+          input.focus();
+          expect(document.activeElement).to.equal(input);
+          let promise = dialog.launch().then(() => {
+            expect(document.activeElement).to.equal(input);
+            document.body.removeChild(input);
+          });
+          expect(document.activeElement).to.not.equal(input);
+          dialog.resolve();
+          return promise;
+        });
+
       });
-      acceptDialog();
-    });
 
-    it('should resolve with the clicked button result', (done) => {
-      let button = {
-        text: 'foo',
-        className: 'bar',
-        icon: 'baz'
-      };
-      showDialog({ buttons: [button] }).then(result => {
-        expect(result.text).to.be('foo');
-        done();
+      describe('#resolve()', () => {
+
+        it('should resolve with the default item', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(true);
+          });
+          dialog.resolve();
+          return promise;
+        });
+
+        it('should resolve with the item at the given index', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(false);
+          });
+          dialog.resolve(0);
+          return promise;
+        });
+
       });
-      Promise.resolve().then(() => {
-        let node = document.body.getElementsByClassName('bar')[0];
-        (node as HTMLElement).click();
+
+      describe('#reject()', () => {
+
+        it('should reject with the default reject item', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.label).to.equal('CANCEL');
+            expect(result.accept).to.equal(false);
+          });
+          dialog.reject();
+          return promise;
+        });
+
       });
-    });
 
-    it('should ignore context menu events', (done) => {
-      let body = document.createElement('div');
-      showDialog({ body }).then(result => {
-        expect(result.text).to.be('CANCEL');
-        done();
+      describe('#handleEvent()', () => {
+
+        context('keydown', () => {
+
+          it('should reject on escape key', () => {
+            let promise = dialog.launch().then(result => {
+              expect(result.accept).to.equal(false);
+            });
+            simulate(dialog.node, 'keydown', { keyCode: 27 });
+            return promise;
+          });
+
+          it('should accept on enter key', () => {
+            let promise = dialog.launch().then(result => {
+              expect(result.accept).to.equal(true);
+            });
+            simulate(dialog.node, 'keydown', { keyCode: 13 });
+            return promise;
+          });
+
+          it('should cycle to the first button on a tab key', () => {
+            let promise = dialog.launch().then(result => {
+              expect(result.accept).to.equal(false);
+            });
+            let node = document.activeElement;
+            expect(node.className).to.contain('jp-mod-accept');
+            simulate(dialog.node, 'keydown', { keyCode: 9 });
+            node = document.activeElement;
+            expect(node.className).to.contain('jp-mod-reject');
+            simulate(node, 'click');
+            return promise;
+          });
+
+        });
+
+        context('contextmenu', () => {
+
+          it('should cancel context menu events', () => {
+            let promise = dialog.launch().then(result => {
+              expect(result.accept).to.equal(false);
+            });
+            let node = document.body.getElementsByClassName('jp-Dialog')[0];
+            let evt = generate('contextmenu');
+            let cancelled = !node.dispatchEvent(evt);
+            expect(cancelled).to.equal(true);
+            simulate(node as HTMLElement, 'keydown', { keyCode: 27 });
+            return promise;
+          });
+
+        });
+
+        context('click', () => {
+
+          it('should prevent clicking outside of the content area', () => {
+            let promise = dialog.launch();
+            let evt = generate('click');
+            let cancelled = !dialog.node.dispatchEvent(evt);
+            expect(cancelled).to.equal(true);
+            dialog.resolve();
+            return promise;
+          });
+
+          it('should resolve a clicked button', () => {
+            let promise = dialog.launch().then(result => {
+              expect(result.accept).to.equal(false);
+            });
+            let node = dialog.node.querySelector('.jp-mod-reject');
+            simulate(node, 'click');
+            return promise;
+          });
+
+        });
+
+        context('focus', () => {
+
+          it('should focus the default button when focus leaves the dialog', () => {
+            let target = document.createElement('div');
+            target.tabIndex = -1;
+            document.body.appendChild(target);
+            let host = document.createElement('div');
+            document.body.appendChild(host);
+            dialog = new TestDialog({ host });
+            let promise = dialog.launch();
+            simulate(target, 'focus');
+            expect(document.activeElement).to.not.equal(target);
+            expect(document.activeElement.className).to.contain('jp-mod-accept');
+            dialog.resolve();
+            return promise;
+          });
+
+        });
+
       });
-      Promise.resolve().then(() => {
-        let node = document.body.getElementsByClassName('jp-Dialog')[0];
-        simulate(node as HTMLElement, 'contextmenu');
-        simulate(node as HTMLElement, 'keydown', { keyCode: 27 });
+
+      describe('#onBeforeAttach()', () => {
+
+        it('should attach event listeners', () => {
+          Widget.attach(dialog, document.body);
+          expect(dialog.methods).to.contain('onBeforeAttach');
+          let events = ['keydown', 'contextmenu', 'click', 'focus'];
+          each(events, evt => {
+            simulate(dialog.node, evt);
+            expect(dialog.events).to.contain(evt);
+          });
+        });
+
+        it('should focus the default button', () => {
+          Widget.attach(dialog, document.body);
+          expect(document.activeElement.className).to.contain('jp-mod-accept');
+        });
+
+        it('should focus the primary element', () => {
+          let body = document.createElement('input');
+          dialog = new TestDialog({ body, primaryElement: body });
+          Widget.attach(dialog, document.body);
+          expect(document.activeElement).to.equal(body);
+        });
+
       });
-    });
 
-    /**
-     * Class to test that onAfterAttach is called
-     */
-    class TestWidget extends Widget {
-      constructor(resolve: () => void) {
-        super();
-        this.resolve = resolve;
-      }
-      protected onAfterAttach(msg: Message): void {
-        this.resolve();
-      }
-
-      resolve: () => void;
-    }
-
-    it('should fire onAfterAttach on widget body', (done) => {
-      let promise = new Promise((resolve, reject) => {
-        let body = new TestWidget(resolve);
-        showDialog({ body });
-      });
-      promise.then(() => {
-        dismissDialog();
-        done();
+      describe('#onAfterDetach()', () => {
+
+        it('should remove event listeners', () => {
+          Widget.attach(dialog, document.body);
+          Widget.detach(dialog);
+          expect(dialog.methods).to.contain('onAfterDetach');
+          dialog.events = [];
+          let events = ['keydown', 'contextmenu', 'click', 'focus'];
+          each(events, evt => {
+            simulate(dialog.node, evt);
+            expect(dialog.events).to.not.contain(evt);
+          });
+        });
+
+        it('should return focus to the original focused element', () => {
+          let input = document.createElement('input');
+          document.body.appendChild(input);
+          input.focus();
+          Widget.attach(dialog, document.body);
+          Widget.detach(dialog);
+          expect(document.activeElement).to.equal(input);
+        });
+
+      });
+
+      describe('#onCloseRequest()', () => {
+
+        it('should reject an existing promise', () => {
+          let promise = dialog.launch().then(result => {
+            expect(result.accept).to.equal(false);
+          });
+          dialog.close();
+          return promise;
+        });
+
+      });
+
+      describe('.defaultRenderer', () => {
+
+        it('should be an instance of a Renderer', () => {
+          expect(Dialog.defaultRenderer).to.be.an.instanceof(Dialog.Renderer);
+        });
+
       });
+
+      describe('.Renderer', () => {
+
+        const renderer = Dialog.defaultRenderer;
+
+        const data: Dialog.IButton = {
+          label: 'foo',
+          icon: 'bar',
+          caption: 'hello',
+          className: 'baz',
+          accept: false,
+          displayType: 'warn'
+        };
+
+        describe('#createHeader()', () => {
+
+          it('should create the header of the dialog', () => {
+            let widget = renderer.createHeader('foo');
+            expect(widget.hasClass('jp-Dialog-header')).to.equal(true);
+            let node = widget.node.querySelector('.jp-Dialog-title');
+            expect(node.textContent).to.equal('foo');
+          });
+
+        });
+
+        describe('#createBody()', () => {
+
+          it('should create the body from a string', () => {
+            let widget = renderer.createBody('foo');
+            expect(widget.hasClass('jp-Dialog-body')).to.equal(true);
+            let node = widget.node.firstChild;
+            expect(node.textContent).to.equal('foo');
+          });
+
+          it('should create the body from an element', () => {
+            let vnode = h.div({}, [h.input(), h.select(), h.button()]);
+            let widget = renderer.createBody(VirtualDOM.realize(vnode));
+            let button = widget.node.querySelector('button');
+            expect(button.className).to.contain('jp-mod-styled');
+            let input = widget.node.querySelector('input');
+            expect(input.className).to.contain('jp-mod-styled');
+            let select = widget.node.querySelector('select');
+            expect(select.className).to.contain('jp-mod-styled');
+          });
+
+          it('should create the body from a widget', () => {
+            let body = new Widget();
+            renderer.createBody(body);
+            expect(body.hasClass('jp-Dialog-body')).to.equal(true);
+          });
+
+        });
+
+        describe('#createFooter()', () => {
+
+          it('should create the footer of the dialog', () => {
+            let buttons = [Dialog.okButton, { label: 'foo' }] as Dialog.IButton[];
+            let nodes = toArray(map(buttons, button => {
+              return renderer.createButtonNode(button);
+            }));
+            let footer = renderer.createFooter(nodes);
+            expect(footer.hasClass('jp-Dialog-footer')).to.equal(true);
+            expect(footer.node.contains(nodes[0])).to.equal(true);
+            expect(footer.node.contains(nodes[1])).to.equal(true);
+            let buttonNodes = footer.node.querySelectorAll('button');
+            expect(buttonNodes.length).to.be.ok;
+            each(buttonNodes, (node: Element) => {
+              expect(node.className).to.contain('jp-mod-styled');
+            });
+          });
+
+        });
+
+        describe('#createButtonNode()', () => {
+
+          it('should create a button node for the dialog', () => {
+            let node = renderer.createButtonNode(data);
+            expect(node.className).to.contain('jp-Dialog-button');
+            expect(node.querySelector('.jp-Dialog-buttonIcon')).to.be.ok;
+            expect(node.querySelector('.jp-Dialog-buttonLabel')).to.be.ok;
+          });
+
+        });
+
+        describe('#renderIcon()', () => {
+
+          it('should render an icon element for a dialog item', () => {
+            let node = VirtualDOM.realize(renderer.renderIcon(data));
+            expect(node.className).to.contain('jp-Dialog-buttonIcon');
+          });
+
+        });
+
+        describe('#createItemClass()', () => {
+
+          it('should create the class name for the button', () => {
+            let value = renderer.createItemClass(data);
+            expect(value).to.contain('jp-Dialog-button');
+            expect(value).to.contain('jp-mod-reject');
+            expect(value).to.contain(data.className);
+          });
+
+        });
+
+        describe('#createIconClass()', () => {
+
+          it('should create the class name for the button icon', () => {
+            let value = renderer.createIconClass(data);
+            expect(value).to.contain('jp-Dialog-buttonIcon');
+            expect(value).to.contain(data.icon);
+          });
+
+        });
+
+        describe('#renderLabel()', () => {
+
+          it('should render a label element for a button', () => {
+            let node = VirtualDOM.realize(renderer.renderLabel(data));
+            expect(node.className).to.equal('jp-Dialog-buttonLabel');
+            expect(node.title).to.equal(data.caption);
+            expect(node.textContent).to.equal(data.label);
+          });
+
+        });
+
+      });
+
     });
 
   });

+ 94 - 0
test/src/common/styling.spec.ts

@@ -0,0 +1,94 @@
+// Copyright (c) Jupyter Development Team.
+// Distributed under the terms of the Modified BSD License.
+
+import {
+  expect
+} from 'chai';
+
+import {
+  VirtualDOM, h
+} from '@phosphor/virtualdom';
+
+import {
+  simulate
+} from 'simulate-event';
+
+import {
+  Styling
+} from '../../../lib/common/styling';
+
+
+describe('@jupyterlab/domutils', () => {
+
+  describe('Styling', () => {
+
+    describe('.styleNode()', () => {
+
+      it('should style descendant nodes for select, input and button', () => {
+        let vnode = h.div({}, [h.button(), h.select(), h.input()]);
+        let node = VirtualDOM.realize(vnode);
+        Styling.styleNode(node);
+        expect(node.querySelectorAll('.jp-mod-styled').length).to.equal(3);
+      });
+
+      it('should wrap a select node', () => {
+        let parent = document.createElement('div');
+        let select = document.createElement('select');
+        parent.appendChild(select);
+        Styling.styleNode(parent);
+        let wrapper = parent.firstChild as HTMLElement;
+        expect(wrapper.className).to.equal('jp-select-wrapper');
+        expect(select.parentElement).to.equal(wrapper);
+        expect(select.className).to.equal('jp-mod-styled');
+        document.body.appendChild(parent);
+        select.focus();
+        simulate(select, 'focus');
+        expect(wrapper.className).to.contain('jp-mod-focused');
+        select.blur();
+        simulate(select, 'blur');
+        expect(wrapper.className).to.not.contain('jp-mod-focused');
+        document.body.removeChild(parent);
+      });
+
+    });
+
+    describe('.styleNodeByTag()', () => {
+
+      it('should style descendant nodes for the given tag', () => {
+        let vnode = h.div({}, [h.span(), h.div({}, h.span())]);
+        let node = VirtualDOM.realize(vnode);
+        Styling.styleNodeByTag(node, 'span');
+        expect(node.querySelectorAll('.jp-mod-styled').length).to.equal(2);
+      });
+
+      it('should style the node itself', () => {
+        let div = document.createElement('div');
+        Styling.styleNodeByTag(div, 'div');
+        expect(div.className).to.contain('jp-mod-styled');
+      });
+
+    });
+
+    describe('.wrapSelect()', () => {
+
+      it('should wrap the select node', () => {
+        let select = document.createElement('select');
+        let wrapper = Styling.wrapSelect(select);
+        expect(wrapper.className).to.equal('jp-select-wrapper');
+        expect(select.parentElement).to.equal(wrapper);
+        expect(select.className).to.equal('jp-mod-styled');
+        document.body.appendChild(wrapper);
+        select.focus();
+        simulate(select, 'focus');
+        expect(wrapper.className).to.contain('jp-mod-focused');
+        select.blur();
+        simulate(select, 'blur');
+        expect(wrapper.className).to.not.contain('jp-mod-focused');
+        document.body.removeChild(wrapper);
+      });
+
+    });
+
+  });
+
+});

+ 63 - 62
test/src/index.ts

@@ -3,89 +3,90 @@
 
 import '@phosphor/widgets/style/index.css';
 
-import './application/instancetracker.spec';
-import './application/loader.spec';
-import './application/shell.spec';
+// import './application/instancetracker.spec';
+// import './application/loader.spec';
+// import './application/shell.spec';
 
-import './cells/model.spec';
-import './cells/widget.spec';
+// import './cells/model.spec';
+// import './cells/widget.spec';
 
-import './codeeditor/editor.spec';
-import './codeeditor/widget.spec';
+// import './codeeditor/editor.spec';
+// import './codeeditor/widget.spec';
 
-import './codemirror/editor.spec';
-import './codemirror/factory.spec';
+// import './codemirror/editor.spec';
+// import './codemirror/factory.spec';
 
-import './commandlinker/commandlinker.spec';
+// import './commandlinker/commandlinker.spec';
 
-import './common/activitymonitor.spec';
+// import './common/activitymonitor.spec';
 import './common/dialog.spec';
-import './common/observablejson.spec';
-import './common/observablestring.spec';
-import './common/observablevector.spec';
-import './common/observablemap.spec';
-import './common/metadata.spec';
-import './common/undoablevector.spec';
-import './common/sanitizer.spec';
-import './common/vdom.spec';
+// import './common/observablejson.spec';
+// import './common/observablestring.spec';
+// import './common/observablevector.spec';
+// import './common/observablemap.spec';
+// import './common/metadata.spec';
+// import './common/sanitizer.spec';
+import './common/styling.spec';
+// import './common/undoablevector.spec';
+// import './common/vdom.spec';
 
-import './completer/handler.spec';
-import './completer/model.spec';
-import './completer/widget.spec';
+// import './completer/handler.spec';
+// import './completer/model.spec';
+// import './completer/widget.spec';
 
-import './console/foreign.spec';
-import './console/history.spec';
-import './console/panel.spec';
-import './console/widget.spec';
+// import './console/foreign.spec';
+// import './console/history.spec';
+// import './console/panel.spec';
+// import './console/widget.spec';
 
-import './csvwidget/table.spec';
-import './csvwidget/toolbar.spec';
-import './csvwidget/widget.spec';
+// import './csvwidget/table.spec';
+// import './csvwidget/toolbar.spec';
+// import './csvwidget/widget.spec';
 
-import './docmanager/manager.spec';
-import './docmanager/savehandler.spec';
-import './docmanager/widgetmanager.spec';
+// import './docmanager/manager.spec';
+// import './docmanager/savehandler.spec';
+// import './docmanager/widgetmanager.spec';
 
-import './docregistry/context.spec';
-import './docregistry/default.spec';
-import './docregistry/registry.spec';
+// import './docregistry/context.spec';
+// import './docregistry/default.spec';
+// import './docregistry/registry.spec';
 
-import './editorwidget/widget.spec';
+// import './editorwidget/widget.spec';
 
-import './filebrowser/crumbs.spec';
-import './filebrowser/model.spec';
+// import './filebrowser/crumbs.spec';
+// import './filebrowser/model.spec';
 
-import './imagewidget/widget.spec';
+// import './imagewidget/widget.spec';
 
-import './inspector/inspector.spec';
+// import './inspector/inspector.spec';
 
-import './instancerestorer/instancerestorer.spec';
+// import './instancerestorer/instancerestorer.spec';
 
-import './markdownwidget/widget.spec';
+// import './markdownwidget/widget.spec';
 
-import './renderers/renderers.spec';
-import './renderers/latex.spec';
+// import './renderers/renderers.spec';
+// import './renderers/latex.spec';
 
-import './rendermime/mimemodel.spec';
-import './rendermime/outputmodel.spec';
-import './rendermime/rendermime.spec';
+// import './rendermime/mimemodel.spec';
+// import './rendermime/outputmodel.spec';
+// import './rendermime/rendermime.spec';
 
-import './notebook/actions.spec';
-import './notebook/celltools.spec';
-import './notebook/default-toolbar.spec';
-import './notebook/model.spec';
-import './notebook/modelfactory.spec';
-import './notebook/panel.spec';
-import './notebook/trust.spec';
-import './notebook/widget.spec';
-import './notebook/widgetfactory.spec';
-import './notebook/tracker.spec';
+// import './notebook/actions.spec';
+// import './notebook/celltools.spec';
+// import './notebook/default-toolbar.spec';
+// import './notebook/model.spec';
+// import './notebook/modelfactory.spec';
+// import './notebook/panel.spec';
+// import './notebook/trust.spec';
+// import './notebook/widget.spec';
+// import './notebook/widgetfactory.spec';
+// import './notebook/tracker.spec';
 
-import './outputarea/model.spec';
-import './outputarea/widget.spec';
+// import './outputarea/model.spec';
+// import './outputarea/widget.spec';
 
-import './statedb/statedb.spec';
+// import './statedb/statedb.spec';
 
-import './terminal/terminal.spec';
+// import './terminal/terminal.spec';
 
-import './toolbar/toolbar.spec';
+// import './toolbar/toolbar.spec';