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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 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/**
@module "montage/ui/list.reel"
@requires montage/core/core
@requires montage/ui/component
*/
var Montage = require("montage").Montage,
Component = require("ui/component").Component;
/**
@class module:"montage/ui/list.reel".List
@extends module:montage/ui/component.Component
*/
var List = exports.List = Montage.create(Component,/** @lends module:"montage/ui/list.reel".List# */ {
/**
Description TODO
@private
*/
_repetition: {
enumerable: false,
value: null
},
/**
Description TODO
@private
*/
_scrollview: {
enumerable: false,
value: null
},
/**
Description TODO
@private
*/
_orphanedChildren: {
enumerable: false,
value: null
},
/**
Description TODO
@type {Property}
@default null
*/
delegate: {
enumerable: false,
value: null
},
//TODO make some convenient forwarding property or something, this is a little tedious
// Properties to forward to the scrollview
/**
Description TODO
@private
*/
_axisForScrollview: {
enumerable: false,
value: null
},
/**
Description TODO
@type {Function}
@default null
*/
axis: {
enumerable: false,
get: function() {
if (this._scrollview) {
return this._scrollview.axis;
} else {
return this._axisForScrollview;
}
},
set: function(value) {
if (this._scrollview) {
this._scrollview.axis = value;
} else {
this._axisForScrollview = value;
}
}
},
//Properties to forward to the repetition
/**
Description TODO
@private
*/
_objectsForRepetition: {
enumerable: false,
value: null
},
/**
Description TODO
@type {Function}
@default null
*/
objects: {
enumerable: false,
get: function() {
if (this._repetition) {
return this._repetition.objects;
} else {
return this._objectsForRepetition;
}
},
set: function(value) {
if (this._repetition) {
this._repetition.objects = value;
} else {
this._objectsForRepetition = value;
}
}
},
/**
Description TODO
@private
*/
_contentControllerForRepetition: {
enumerable: false,
value: null
},
/**
Description TODO
@type {Function}
@default null
*/
contentController: {
enumerable: false,
get: function() {
if (this._repetition) {
return this._repetition.contentController;
} else {
return this._contentControllerForRepetition;
}
},
set: function(value) {
if (this._repetition) {
this._repetition.contentController = value;
} else {
this._contentControllerForRepetition = value;
}
}
},
/**
Description TODO
@private
*/
_isSelectionEnabledForRepetition: {
enumerable: false,
value: null
},
/**
Description TODO
@type {Function}
@default null
*/
isSelectionEnabled: {
enumerable: false,
get: function() {
if (this._repetition) {
return this._repetition.isSelectionEnabled;
} else {
return this._isSelectionEnabledForRepetition;
}
},
set: function(value) {
if (this._repetition) {
this._repetition.isSelectionEnabled = value;
} else {
this._isSelectionEnabledForRepetition = value;
}
}
},
// Initialization
// TODO we should probably support the programmatic initialization of a list; forwarding the childComponents
// along to the repetition
// I want to say that if somebody knows enough to do that they know enough to append the child components' elements
// into the repetition, not the list
/**
Description TODO
@function
@param {Property} type TODO
@param {Property} listener TODO
@param {Property} useCapture TODO
@param {Property} atSignIndex TODO
@param {Property} bindingOrigin TODO
@param {Property} bindingPropertyPath TODO
@param {Property} bindingDescriptor TODO
@returns null or object
*/
propertyChangeBindingListener: {
value: function(type, listener, useCapture, atSignIndex, bindingOrigin, bindingPropertyPath, bindingDescriptor) {
// TODO could forward along less-special bindings this way such as "objects" in general, just to reduce an extra
// hop in the derived property path
if (bindingDescriptor.boundObjectPropertyPath.match(/objectAtCurrentIteration/)) {
if (this._repetition) {
// TODO not sure how safe this is, but I may want to use it in the repetition's oimplementation of
// this method as well as it looks like it should obviously be faster than replicating the descriptor
bindingDescriptor.boundObject = this._repetition;
return this._repetition.propertyChangeBindingListener.apply(this._repetition, arguments);
} else {
// Don't install this binding; we'll deal with that when the children are actually used inside
// the repetition and try to bind to the list directly in the future
// TODO maybe we could rewrite the bindingDescriptor at this point on the bindingOrigin
// to prevent this man-in-the-middle game we're playing with the list later on
return null;
}
} else {
return Object.prototype.propertyChangeBindingListener.apply(this, arguments);
}
}},
/**
Description TODO
@function
*/
deserializedFromTemplate: {
value: function() {
// The childComponents of the list need to be pulled aside for a moment so we can give them to the repetition
// This is logically where people think these components are ending up anyway
this._orphanedChildren = this.childComponents;
this.childComponents = null;
}
},
/**
Description TODO
@function
*/
templateDidLoad: {
value: function() {
// Once we know that the template for the list itself has been deserialized we actually
// move the orphaned children of the list into the repetition
var orphanedFragment,
currentContentRange = this.element.ownerDocument.createRange();
currentContentRange.selectNodeContents(this.element);
orphanedFragment = currentContentRange.extractContents();
this._repetition.element.appendChild(orphanedFragment);
this._repetition.childComponents = this._orphanedChildren;
this._repetition.needsDraw = true;
if (this._objectsForRepetition !== null) {
this._repetition.objects = this._objectsForRepetition;
this._objectsForRepetition = null;
}
if (this._contentControllerForRepetition !== null) {
this._repetition.contentController = this._contentControllerForRepetition;
this._contentControllerForRepetition = null;
}
if (this._isSelectionEnabledForRepetition !== null) {
this._repetition.isSelectionEnabled = this._isSelectionEnabledForRepetition;
this._isSelectionEnabledForRepetition = null;
}
// Don't forget to pass along properties to the scrollview
if (this._axisForScrollview !== null) {
this._scrollview.axis = this._axisForScrollview;
this._axisForScrollview = null;
}
}
}
});
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