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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2012 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/**
@module "montage/ui/dynamic-element.reel"
@requires montage
@requires montage/ui/component
*/
var Montage = require("montage").Montage,
Component = require("ui/component").Component;
/**
The DynamicElement is a general purpose component that aims to expose all the properties of the element as a component.
@class module:"montage/ui/dynamic-element.reel".DynamicElement
@extends module:montage/ui/component.Component
*/
exports.DynamicElement = Montage.create(Component, /** @lends module:"montage/ui/dynamic-element.reel".DynamicElement# */ {
hasTemplate: {
value: false
},
_innerHTML: {
value: null
},
/**
The innerHTML displayed as the content of the DynamicElement
@type {Property}
@default null
*/
innerHTML: {
get: function() {
return this._innerHTML;
},
set: function(value) {
if (this._innerHTML !== value) {
this._innerHTML = value;
this.needsDraw = true;
}
},
serializable: true
},
/**
The default html displayed if innerHTML is falsy.
@type {Property}
@default {String} ""
*/
defaultHTML: {
value: ""
},
_allowedTagNames: {
value: null
},
/**
White list of allowed tags in the innerHTML
@type {Property}
@default null
*/
allowedTagNames: {
get: function() {
return this._allowedTagNames;
},
set: function(value) {
if (this._allowedTagNames !== value) {
this._allowedTagNames = value;
this.needsDraw = true;
}
},
serializable: true
},
_range: {
value: null
},
prepareForDraw: {
value: function() {
var range = document.createRange();
range.selectNodeContents(this.element);
this._range = range;
}
},
_contentNode: {
value: null
},
draw: {
value: function() {
// get correct value
var displayValue = (this.innerHTML || 0 === this.innerHTML ) ? this.innerHTML : this.defaultHTML,
content, allowedTagNames = this.allowedTagNames, range = this._range, elements;
//push to DOM
if (allowedTagNames !== null) {
//cleanup
this._contentNode = null;
range.deleteContents();
//test for tag white list
content = range.createContextualFragment( displayValue );
if(allowedTagNames.length !== 0) {
elements = content.querySelectorAll("*:not(" + allowedTagNames.join("):not(") + ")");
} else {
elements = content.childNodes;
}
if (elements.length === 0) {
range.insertNode(content);
if(range.endOffset === 0) {
// according to https://bugzilla.mozilla.org/show_bug.cgi?id=253609 Firefox keeps a collapsed
// range collapsed after insertNode
range.selectNodeContents(this.element);
}
} else {
console.warn("Some Elements Not Allowed " , elements);
}
} else {
content = this._contentNode;
if(content === null) {
//cleanup
range.deleteContents();
this._contentNode = content = document.createTextNode(displayValue);
range.insertNode(content);
if(range.endOffset === 0) {
// according to https://bugzilla.mozilla.org/show_bug.cgi?id=253609 Firefox keeps a collapsed
// range collapsed after insert
range.selectNodeContents(this.element);
}
} else {
content.data = displayValue;
}
}
}
}
});
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