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* Consistent use of types (documented in CODING.rm):
- Merged {Integer} into {Number}.
- Merged {DOM Node} into {DOMElement}.
* Remove work-around /*jshint newcap: false */ from ve.js
Calling Object() as a function to to use the internal
toObject no longer throws a newcap warning in JSHint.
It only does that normal functions now .
(e.g. var a = Cap(); or var a = new uncap();)
* Add missing annotations (@static, @method, ..).
* Remove unused variables
* Remove null-assignments to variables that should just be
undefined. There's a few variables explicitly set to null
whereas they are set a few lines under and not used otherwise
(e.g. 'tx' in ve.ce.Surface.prototype.onPaste)
Change-Id: I0721a08f8ecd93c25595aedaa1aadb0e08b83799
83 lines
2 KiB
JavaScript
83 lines
2 KiB
JavaScript
/**
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* VisualEditor user interface HistoryButtonTool class.
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*
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* @copyright 2011-2012 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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* Creates an ve.ui.HistoryButtonTool object.
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*
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* @class
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* @constructor
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* @extends {ve.ui.ButtonTool}
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* @param {ve.ui.Toolbar} toolbar
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* @param {String} name
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* @param title
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* @param data
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*/
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ve.ui.HistoryButtonTool = function VeUiHistoryButtonTool( toolbar, name, title, data ) {
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// Parent constructor
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ve.ui.ButtonTool.call( this, toolbar, name, title );
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// Properties
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this.data = data;
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this.enabled = false;
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this.toolbar.getSurfaceView().model.on( 'history', ve.bind( this.updateState, this ) );
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};
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/* Inheritance */
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ve.inheritClass( ve.ui.HistoryButtonTool, ve.ui.ButtonTool );
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/* Methods */
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ve.ui.HistoryButtonTool.prototype.onClick = function () {
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switch ( this.name ) {
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case 'undo':
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case 'redo':
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if ( this.isButtonEnabled( this.name ) ) {
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var surfaceView = this.toolbar.getSurfaceView();
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surfaceView.stopPolling();
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surfaceView.showSelection(
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surfaceView.getModel()[this.name]( 1 ) || surfaceView.model.selection
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);
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surfaceView.clearPollData();
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surfaceView.startPolling();
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}
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break;
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}
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};
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ve.ui.HistoryButtonTool.prototype.updateState = function () {
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this.enabled = this.isButtonEnabled( this.name );
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this.updateEnabled();
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};
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ve.ui.HistoryButtonTool.prototype.isButtonEnabled = function ( name ) {
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var surfaceModel = this.toolbar.getSurfaceView().getModel();
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switch ( name ) {
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case 'undo':
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return surfaceModel.bigStack.length - surfaceModel.undoIndex > 0;
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case 'redo':
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return surfaceModel.undoIndex > 0;
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default:
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return false;
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}
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};
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/* Registration */
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ve.ui.Tool.tools.undo = {
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'constructor': ve.ui.HistoryButtonTool,
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'name': 'undo',
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'title': ve.msg( 'visualeditor-historybutton-undo-tooltip' )
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};
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ve.ui.Tool.tools.redo = {
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'constructor': ve.ui.HistoryButtonTool,
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'name': 'redo',
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'title': ve.msg( 'visualeditor-historybutton-redo-tooltip' )
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};
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