mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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115 lines
2.8 KiB
JavaScript
115 lines
2.8 KiB
JavaScript
/*!
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* VisualEditor UserInterface MWMathInspector 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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* MediaWiki math inspector.
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*
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* @class
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* @extends ve.ui.MWExtensionInspector
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*
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* @constructor
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* @param {ve.ui.SurfaceWindowSet} windowSet Window set this inspector is part of
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* @param {Object} [config] Configuration options
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*/
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ve.ui.MWMathInspector = function VeUiMWMathInspector( windowSet, config ) {
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// Parent constructor
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ve.ui.MWExtensionInspector.call( this, windowSet, config );
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this.onChangeHandler = ve.debounce( ve.bind( this.updatePreview, this ), 250 );
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};
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/* Inheritance */
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OO.inheritClass( ve.ui.MWMathInspector, ve.ui.MWExtensionInspector );
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/* Static properties */
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ve.ui.MWMathInspector.static.name = 'math';
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ve.ui.MWMathInspector.static.icon = 'math';
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ve.ui.MWMathInspector.static.titleMessage = 'visualeditor-mwmathinspector-title';
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ve.ui.MWMathInspector.static.nodeView = ve.ce.MWMathNode;
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ve.ui.MWMathInspector.static.nodeModel = ve.dm.MWMathNode;
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/* Methods */
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/**
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* Update the math node rendering to reflect the content entered into the inspector.
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*/
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ve.ui.MWMathInspector.prototype.updatePreview = function () {
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var newsrc = this.input.getValue();
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if ( this.visible ) {
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this.node.update( { 'extsrc': newsrc } );
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}
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};
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/**
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* Handle the inspector being opened.
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*/
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ve.ui.MWMathInspector.prototype.onOpen = function () {
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var mw, surfaceModel = this.surface.getModel();
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this.node = this.surface.getView().getFocusedNode();
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if ( !this.node ) {
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// Create a dummy node, needed for live preview
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mw = {
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'name': 'math',
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'attrs': {},
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'body': {
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'extsrc': ''
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}
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};
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surfaceModel.getFragment().collapseRangeToEnd().insertContent( [
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{
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'type': 'mwMath',
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'attributes': {
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'mw': mw
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}
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},
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{ 'type': '/mwMath' }
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] );
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this.node = this.surface.getView().getFocusedNode();
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}
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this.input.on( 'change', this.onChangeHandler );
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// Parent method
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ve.ui.MWExtensionInspector.prototype.onOpen.call( this );
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};
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/**
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* Handle the inspector being closed.
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*
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* @param {string} action Action that caused the window to be closed
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*/
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ve.ui.MWMathInspector.prototype.onClose = function ( action ) {
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var newsrc = this.input.getValue(),
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surfaceModel = this.surface.getModel();
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if ( newsrc !== '' ) {
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// Parent method
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ve.ui.MWExtensionInspector.prototype.onClose.call( this, action );
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} else {
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// Grandparent method; we're overriding the parent behavior in this case
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ve.ui.SurfaceInspector.prototype.onClose.call( this, action );
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// The user tried to empty the node, remove it
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surfaceModel.change( ve.dm.Transaction.newFromRemoval(
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surfaceModel.getDocument(), this.node.getOuterRange()
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) );
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}
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this.input.off( 'change', this.onChangeHandler );
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};
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/* Registration */
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ve.ui.inspectorFactory.register( ve.ui.MWMathInspector );
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