mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-15 10:35:48 +00:00
f1d481ff64
Because scroll events cannot be canceled or prevented from bubbling up, the only way to prevent the scrolling is to cancel the actual key and mouse wheel events. PhantomJs -= 2 Change-Id: I540738459181c37d11caf5db07345703e7000ef9
158 lines
3.8 KiB
JavaScript
158 lines
3.8 KiB
JavaScript
/*!
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* VisualEditor UserInterface Dialog class.
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*
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* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* UserInterface dialog.
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*
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* @class
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* @abstract
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* @extends ve.ui.Window
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*
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* @constructor
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* @param {ve.ui.Surface} surface
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* @param {Object} [config] Config options
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*/
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ve.ui.Dialog = function VeUiDialog( surface, config ) {
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// Parent constructor
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ve.ui.Window.call( this, surface, config );
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// Properties
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this.visible = false;
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this.onWindowMouseWheelHandler = ve.bind( this.onWindowMouseWheel, this );
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this.onDocumentKeyDownHandler = ve.bind( this.onDocumentKeyDown, this );
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// Initialization
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this.$.addClass( 've-ui-dialog' );
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this.$.on( 'mousedown', false );
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};
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/* Inheritance */
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ve.inheritClass( ve.ui.Dialog, ve.ui.Window );
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/* Methods */
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/**
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* Handle close button click events.
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*
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* @method
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*/
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ve.ui.Dialog.prototype.onCloseButtonClick = function () {
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this.close( 'cancel' );
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};
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/**
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* Handle apply button click events.
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*
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* @method
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*/
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ve.ui.Dialog.prototype.onApplyButtonClick = function () {
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this.close( 'apply' );
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};
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/**
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* Handle window mouse wheel events.
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*
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* @method
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* @param {jQuery.Event} e Mouse wheel event
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*/
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ve.ui.Dialog.prototype.onWindowMouseWheel = function () {
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return false;
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};
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/**
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* Handle document key down events.
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*
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* @method
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* @param {jQuery.Event} e Key down event
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*/
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ve.ui.Dialog.prototype.onDocumentKeyDown = function ( e ) {
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switch ( e.which ) {
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case ve.Keys.PAGEUP:
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case ve.Keys.PAGEDOWN:
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case ve.Keys.END:
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case ve.Keys.HOME:
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case ve.Keys.LEFT:
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case ve.Keys.UP:
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case ve.Keys.RIGHT:
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case ve.Keys.DOWN:
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// Prevent any key events that might cause scrolling
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return false;
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}
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};
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/**
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* Open window.
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*
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* Wraps the parent open method. Disables native top-level window scrolling behavior.
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*
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* @method
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* @emits setup
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* @emits open
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*/
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ve.ui.Dialog.prototype.open = function () {
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ve.ui.Window.prototype.open.call( this );
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// Prevent scrolling in top-level window
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$( window ).on( 'mousewheel', this.onWindowMouseWheelHandler );
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$( document ).on( 'keydown', this.onDocumentKeyDownHandler );
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};
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/**
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* Close dialog.
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*
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* Wraps the parent close method. Allows animation by delaying parent close call, while still
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* providing the same recursion blocking. Restores native top-level window scrolling behavior.
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*
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* @method
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* @param {boolean} action Action that caused the window to be closed
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* @emits close
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*/
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ve.ui.Dialog.prototype.close = function ( action ) {
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if ( !this.closing ) {
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this.$.addClass( 've-ui-dialog-closing' );
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setTimeout( ve.bind( function () {
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ve.ui.Window.prototype.close.call( this, action );
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this.$.removeClass( 've-ui-dialog-closing' );
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}, this ), 250 );
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// Allow scrolling in top-level window
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$( window ).off( 'mousewheel', this.onWindowMouseWheelHandler );
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$( document ).off( 'keydown', this.onDocumentKeyDownHandler );
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}
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};
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/**
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* Initialize frame contents.
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*
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* @method
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*/
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ve.ui.Dialog.prototype.initialize = function () {
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// Call parent method
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ve.ui.Window.prototype.initialize.call( this );
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this.applyButton = new ve.ui.ButtonWidget( {
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'$$': this.$$, 'label': ve.msg( 'visualeditor-dialog-action-apply' ), 'flags': ['primary']
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} );
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// Properties
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this.closeButton = new ve.ui.IconButtonWidget( {
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'$$': this.$$, 'title': ve.msg( 'visualeditor-dialog-action-close' ), 'icon': 'close'
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} );
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// Events
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this.closeButton.connect( this, { 'click': 'onCloseButtonClick' } );
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this.applyButton.connect( this, { 'click': 'onApplyButtonClick' } );
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// Initialization
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this.closeButton.$.addClass( 've-ui-window-closeButton' );
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this.applyButton.$.addClass( 've-ui-window-applyButton' );
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this.$head.append( this.closeButton.$ );
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this.$foot.append( this.applyButton.$ );
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};
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/* Initialization */
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ve.ui.Dialog.static.addLocalStylesheets( [ 've.ui.Dialog.css' ] );
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