mediawiki-extensions-Visual.../modules/ve/ce/ve.ce.View.js

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/*!
* VisualEditor ContentEditable View class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Generic base class for CE views.
*
* @abstract
* @extends ve.Element
* @mixins ve.EventEmitter
*
* @constructor
* @param {ve.dm.Model} model Model to observe
* @param {Object} [config] Config options
*/
ve.ce.View = function VeCeView( model, config ) {
// Setting this property before calling the parent constructor allows overriden #getTagName
// methods in view classes to have access to the model when they are called for the first time
// inside of ve.Element
this.model = model;
// Parent constructor
ve.Element.call( this, config );
// Mixin constructors
ve.EventEmitter.call( this );
// Properties
this.live = false;
// Events
this.connect( this, {
'setup': 'onSetup',
'teardown': 'onTeardown'
} );
// Initialization
this.renderAttributes();
};
/* Inheritance */
ve.inheritClass( ve.ce.View, ve.Element );
ve.mixinClass( ve.ce.View, ve.EventEmitter );
/* Events */
/**
* @event live
*/
/* Static Members */
/**
* Allowed attributes for DOM elements.
*
* This list includes attributes that are generally safe to include in HTML loaded from a
* foreign source and displaying it inside the browser. It doesn't include any event attributes,
* for instance, which would allow arbitrary JavaScript execution. This alone is not enough to
* make HTML safe to display, but it helps.
*
* TODO: Rather than use a single global list, set these on a per-view basis to something that makes
* sense for that view in particular.
*
* @static
* @property static.domAttributeWhitelist
* @inheritable
*/
ve.ce.View.static.domAttributeWhitelist = [
'abbr', 'about', 'align', 'alt', 'axis', 'bgcolor', 'border', 'cellpadding', 'cellspacing',
'char', 'charoff', 'cite', 'class', 'clear', 'color', 'colspan', 'datatype', 'datetime',
'dir', 'face', 'frame', 'headers', 'height', 'href', 'id', 'itemid', 'itemprop', 'itemref',
'itemscope', 'itemtype', 'lang', 'noshade', 'nowrap', 'property', 'rbspan', 'rel',
'resource', 'rev', 'rowspan', 'rules', 'scope', 'size', 'span', 'src', 'start', 'style',
'summary', 'title', 'type', 'typeof', 'valign', 'value', 'width'
];
/**
* Whether or not HTML attributes listed in domAttributeWhitelist and present in HTMLDOM should be
* added to node anchor (this.$).
*
* @static
* @property static.renderHtmlAttributes
* @inheritable
*/
ve.ce.View.static.renderHtmlAttributes = true;
/* Methods */
/**
* Handle setup event.
*
* @method
*/
ve.ce.View.prototype.onSetup = function () {
this.$.data( 'view', this );
};
/**
* Handle teardown event.
*
* @method
*/
ve.ce.View.prototype.onTeardown = function () {
this.$.removeData( 'view' );
};
/**
* Get the model the view observes.
*
* @method
* @returns {ve.dm.Node} Model the view observes
*/
ve.ce.View.prototype.getModel = function () {
return this.model;
};
/**
* Check if the view is attached to the live DOM.
*
* @method
* @returns {boolean} View is attached to the live DOM
*/
ve.ce.View.prototype.isLive = function () {
return this.live;
};
/**
* Set live state.
*
* @method
* @param {boolean} live The view has been attached to the live DOM (use false on detach)
* @emits live
*/
ve.ce.View.prototype.setLive = function ( live ) {
this.live = live;
this.emit( 'live' );
if ( this.live ) {
this.emit( 'setup' );
} else {
this.emit( 'teardown' );
}
};
/**
* Render an HTML attribute list onto this.$
*
* If no attributeList is given, the attribute list stored in the linear model will be used.
*
* @param {Object[]} [attributeList] HTML attribute list, see ve.dm.Converter#buildHtmlAttributeList
*/
ve.ce.View.prototype.renderAttributes = function ( attributeList ) {
ve.dm.Converter.renderHtmlAttributeList(
attributeList || this.model.getHtmlAttributes(),
this.$,
this.constructor.static.renderHtmlAttributes
);
};