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https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
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/*!
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* VisualEditor UserInterface OutlineControlsWidget 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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* Creates an ve.ui.OutlineControlsWidget object.
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*
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* @class
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*
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* @constructor
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* @param {ve.ui.OutlineWidget} outline Outline to control
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* @param {Object} [config] Config options
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*/
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ve.ui.OutlineControlsWidget = function VeUiOutlineControlsWidget( outline, config ) {
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// Parent constructor
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ve.ui.Widget.call( this, config );
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// Properties
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this.outline = outline;
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this.upButton = new ve.ui.IconButtonWidget( {
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'$$': this.$$, 'icon': 'collapse', 'title': ve.msg( 'visualeditor-outline-control-move-up' )
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} );
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this.downButton = new ve.ui.IconButtonWidget( {
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'$$': this.$$, 'icon': 'expand', 'title': ve.msg( 'visualeditor-outline-control-move-down' )
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} );
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// Events
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outline.connect( this, {
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'select': 'onOutlineChange',
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'add': 'onOutlineChange',
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'remove': 'onOutlineChange'
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} );
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this.upButton.connect( this, { 'click': ['emit', 'move', -1] } );
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this.downButton.connect( this, { 'click': ['emit', 'move', 1] } );
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// Initialization
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this.$.addClass( 've-ui-outlineControlsWidget' );
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this.upButton.$.addClass( 've-ui-outlineControlsWidget-upButton' );
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this.downButton.$.addClass( 've-ui-outlineControlsWidget-downButton' );
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this.$.append( this.upButton.$, this.downButton.$ );
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};
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/* Inheritance */
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ve.inheritClass( ve.ui.OutlineControlsWidget, ve.ui.Widget );
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/* Events */
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/**
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* @event move
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* @param {number} places Number of places to move
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*/
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/* Methods */
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ve.ui.OutlineControlsWidget.prototype.onOutlineChange = function () {
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var i, len, firstMoveable, lastMoveable,
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moveable = false,
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items = this.outline.getItems(),
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selectedItem = this.outline.getSelectedItem();
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if ( selectedItem && selectedItem.isMoveable() ) {
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moveable = true;
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i = -1;
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len = items.length;
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while ( ++i < len ) {
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if ( items[i].isMoveable() ) {
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firstMoveable = items[i];
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break;
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}
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}
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i = len;
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while ( i-- ) {
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if ( items[i].isMoveable() ) {
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lastMoveable = items[i];
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break;
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}
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}
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}
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this.upButton.setDisabled( !moveable || selectedItem === firstMoveable );
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this.downButton.setDisabled( !moveable || selectedItem === lastMoveable );
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};
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