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https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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106 lines
2.8 KiB
JavaScript
106 lines
2.8 KiB
JavaScript
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/*!
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* VisualEditor UserInterface MWMediaSelectItemWidget 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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/*global mw */
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/**
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* Creates an ve.ui.MWMediaSelectItemWidget object.
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*
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* @class
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* @extends ve.ui.OptionWidget
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*
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* @constructor
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* @param {Mixed} data Item data
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* @param {Object} [config] Config options
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* @cfg {number} [size] Media thumbnail size
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*/
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ve.ui.MWMediaSelectItemWidget = function VeUiMWMediaSelectItemWidget( data, config ) {
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// Configuration intialization
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config = config || {};
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// Parent constructor
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ve.ui.OptionWidget.call( this, data, config );
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// Properties
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this.size = config.size || 150;
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this.$thumb = this.buildThumbnail();
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this.$overlay = this.$$( '<div>' );
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// Initialization
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this.setLabel( new mw.Title( this.data.title ).getNameText() );
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this.$overlay.addClass( 've-ui-mwMediaSelectItemWidget-overlay' );
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this.$
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.addClass( 've-ui-mwMediaSelectItemWidget ve-ui-texture-pending' )
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.css( { 'width': this.size, 'height': this.size } )
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.prepend( this.$thumb, this.$overlay );
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};
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/* Inheritance */
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ve.inheritClass( ve.ui.MWMediaSelectItemWidget, ve.ui.OptionWidget );
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/* Static Properties */
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ve.ui.MWMediaSelectItemWidget.static.highlightable = false;
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/* Methods */
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ve.ui.MWMediaSelectItemWidget.prototype.onThumbnailLoad = function () {
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this.$thumb.first().addClass( 've-ui-texture-transparency' );
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this.$
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.addClass( 've-ui-mwMediaSelectItemWidget-done' )
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.removeClass( 've-ui-texture-pending' );
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};
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ve.ui.MWMediaSelectItemWidget.prototype.onThumbnailError = function () {
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this.$thumb.last()
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.css( 'background-image', '' )
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.addClass( 've-ui-texture-alert' );
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this.$
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.addClass( 've-ui-mwMediaSelectItemWidget-error' )
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.removeClass( 've-ui-texture-pending' );
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};
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/**
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* Build a thumbnail.
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*
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* @method
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* @returns {jQuery} Thumbnail element
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*/
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ve.ui.MWMediaSelectItemWidget.prototype.buildThumbnail = function () {
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var info = this.data.imageinfo[0],
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image = new Image(),
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$image = this.$$( image ),
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$back = this.$$( '<div>' ),
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$front = this.$$( '<div>' ),
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$thumb = $back.add( $front );
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// Preload image
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$image
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.load( ve.bind( this.onThumbnailLoad, this ) )
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.error( ve.bind( this.onThumbnailError, this ) );
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image.src = info.thumburl;
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$thumb.addClass( 've-ui-mwMediaSelectItemWidget-thumbnail' );
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$thumb.last().css( 'background-image', 'url(' + info.thumburl + ')' );
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if ( info.width >= this.size && info.height >= this.size ) {
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$front.addClass( 've-ui-mwMediaSelectItemWidget-crop' );
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$thumb.css( { 'width': '100%', 'height': '100%' } );
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} else {
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$thumb.css( {
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'width': info.thumbwidth,
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'height': info.thumbheight,
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'left': '50%',
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'top': '50%',
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'margin-left': Math.round( -info.thumbwidth / 2 ),
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'margin-top': Math.round( -info.thumbheight / 2 )
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} );
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}
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return $thumb;
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};
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