mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
/*!
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* VisualEditor UserInterface MWLazyMultilineTextInputWidget class.
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*
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* @copyright 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 a ve.ui.MWLazyMultilineTextInputWidget object.
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*
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* This widget is a hack to be used when you are building a UI
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* that potentially contains lots of multi-line text input widgets,
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* such as the template param editor.
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*
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* It defers the calculation of the auto height until the first focus,
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* as doing this hundreds of times is slow.
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*
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* @class
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* @extends OO.ui.MultilineTextInputWidget
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*
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* @constructor
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* @param {Object} [config] Configuration options
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* @param {boolean} [config.autosize=false]
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*/
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ve.ui.MWLazyMultilineTextInputWidget = function VeUiMWLazyMultilineTextInputWidget() {
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// Parent constructor
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ve.ui.MWLazyMultilineTextInputWidget.super.apply( this, arguments );
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// Check autosize is set, but if it isn't you probably shouldn't be using this widget!
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if ( this.autosize ) {
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this.$input.addClass( 've-ui-mwLazyMultilineTextInputWidget-collapsed' );
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this.autosize = false;
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this.$input.one( 'focus', () => {
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this.$input.removeClass( 've-ui-mwLazyMultilineTextInputWidget-collapsed' );
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this.autosize = true;
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this.adjustSize();
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} );
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}
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};
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/* Inheritance */
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OO.inheritClass( ve.ui.MWLazyMultilineTextInputWidget, OO.ui.MultilineTextInputWidget );
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