All files / src/ce ve.ce.View.js

97.36% Statements 37/38
100% Branches 13/13
90.9% Functions 10/11
97.36% Lines 37/38

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193                                  1x       6113x     6113x     6113x     6113x     6113x           6113x         1x   1x                                                           1x 287x               287x                           1x               1x 6173x   1274x                                 1x 5410x           1x 4862x               1x 35199x               1x 5227x                   1x 10268x 10268x 5408x   4860x                   1x 118x 118x 118x           1x 254x 254x 254x    
/*!
 * VisualEditor ContentEditable View class.
 *
 * @copyright See AUTHORS.txt
 */
 
/**
 * Generic base class for CE views.
 *
 * @abstract
 * @extends OO.ui.Element
 * @mixins OO.EventEmitter
 *
 * @constructor
 * @param {ve.dm.Model} model Model to observe
 * @param {Object} [config] Configuration options
 */
ve.ce.View = function VeCeView( model, config ) {
	// Setting this property before calling the parent constructor allows overridden #getTagName
	// methods in view classes to have access to the model when they are called for the first time
	// inside of OO.ui.Element
	this.model = model;
 
	// Parent constructor
	ve.ce.View.super.call( this, config );
 
	// Mixin constructors
	OO.EventEmitter.call( this );
 
	// Properties
	this.live = false;
 
	// Events
	this.connect( this, {
		setup: 'onSetup',
		teardown: 'onTeardown'
	} );
 
	// Initialize
	this.initialize();
};
 
/* Inheritance */
 
OO.inheritClass( ve.ce.View, OO.ui.Element );
 
OO.mixinClass( ve.ce.View, OO.EventEmitter );
 
/* Events */
 
/**
 * @event setup
 */
 
/**
 * @event teardown
 */
 
/* Static members */
 
/**
 * Allowed attributes for DOM elements, in the same format as ve.dm.Model#preserveHtmlAttributes
 *
 * 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 {boolean|Function}
 * @param {string} attribute
 * @inheritable
 */
ve.ce.View.static.renderHtmlAttributes = function ( attribute ) {
	var attributes = [
		'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'
	];
	return attributes.indexOf( attribute ) !== -1;
};
 
/* Methods */
 
/**
 * Get an HTML document from the model, to use for URL resolution.
 *
 * The default implementation returns null; subclasses should override this if they can provide
 * a resolution document.
 *
 * @see #getResolvedAttribute
 * @return {HTMLDocument|null} HTML document to use for resolution, or null if not available
 */
ve.ce.View.prototype.getModelHtmlDocument = function () {
	return null;
};
 
/**
 * Initialize this.$element. This is called by the constructor and should be called every time
 * this.$element is replaced.
 */
ve.ce.View.prototype.initialize = function () {
	if ( this.model.element && this.model.element.originalDomElementsHash !== undefined ) {
		// Render attributes from original DOM elements
		ve.dm.Converter.static.renderHtmlAttributeList(
			this.model.getOriginalDomElements( this.model.getStore() ),
			this.$element,
			this.constructor.static.renderHtmlAttributes,
			// Computed
			true,
			// Deep
			!( this.model instanceof ve.dm.Node ) ||
			!this.model.canHaveChildren() ||
			this.model.handlesOwnChildren()
		);
	}
};
 
/**
 * Handle setup event.
 */
ve.ce.View.prototype.onSetup = function () {
	this.$element.data( 'view', this );
};
 
/**
 * Handle teardown event.
 */
ve.ce.View.prototype.onTeardown = function () {
	this.$element.removeData( 'view' );
};
 
/**
 * Get the model the view observes.
 *
 * @return {ve.dm.Model} Model the view observes
 */
ve.ce.View.prototype.getModel = function () {
	return this.model;
};
 
/**
 * Check if the view is attached to the live DOM.
 *
 * @return {boolean} View is attached to the live DOM
 */
ve.ce.View.prototype.isLive = function () {
	return this.live;
};
 
/**
 * Set live state.
 *
 * @param {boolean} live The view has been attached to the live DOM (use false on detach)
 * @fires setup
 * @fires teardown
 */
ve.ce.View.prototype.setLive = function ( live ) {
	this.live = live;
	if ( this.live ) {
		this.emit( 'setup' );
	} else {
		this.emit( 'teardown' );
	}
};
 
/**
 * Get a resolved URL from a model attribute.
 *
 * @param {string} key Attribute name whose value is a URL
 * @return {string} URL resolved according to the document's base
 */
ve.ce.View.prototype.getResolvedAttribute = function ( key ) {
	var plainValue = this.model.getAttribute( key ),
		doc = this.getModelHtmlDocument();
	return doc && typeof plainValue === 'string' ? ve.resolveUrl( plainValue, doc ) : plainValue;
};
 
/**
 * Release all memory.
 */
ve.ce.View.prototype.destroy = function () {
	this.disconnect( this );
	this.model.disconnect( this );
	this.model = null;
};