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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> */
var Montage = require("montage/core/core").Montage,
Component = require("montage/ui/component").Component;
exports.SelectionController = Montage.create(Component, {
_isDocument: {
value: true
},
isDocument: {
get: function() {
return this._isDocument;
}
},
/*
* Bound property to the ninja currentSelectedContainer
*/
_selectionContainer: {
value: null
},
selectionContainer: {
get: function() {
return this._selectionContainer
},
set: function(value) {
if(this._selectionContainer && this._selectionContainer !== value) {
this.executeSelectElement();
}
this._selectionContainer = value;
}
},
deserializedFromTemplate: {
value: function() {
this.eventManager.addEventListener("openDocument", this, false);
this.eventManager.addEventListener("elementAdded", this, false);
this.eventManager.addEventListener("elementsRemoved", this, false);
this.eventManager.addEventListener("elementReplaced", this, false);
this.eventManager.addEventListener("selectAll", this, false);
this.eventManager.addEventListener("switchDocument", this, false);
this.eventManager.addEventListener("closeDocument", this, false);
}
},
/**
* Get the current document selection array. If nothing is selected the currentSelectionArray should be null
*/
handleOpenDocument: {
value: function() {
// Handle initializing the selection array here.
this.initWithDocument([]);
}
},
initWithDocument: {
value: function(currentSelectionArray) {
this._isDocument = true;
if(currentSelectionArray) {
this.application.ninja.selectedElements = currentSelectionArray;
if(currentSelectionArray.length) {
this._isDocument = false;
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument});
}
}
this._selectionContainer = this.application.ninja.currentSelectedContainer;
}
},
handleSwitchDocument: {
value: function() {
// if(this.application.ninja.documentController.activeDocument.currentView === "design"){
this._isDocument = this.application.ninja.selectedElements.length === 0;
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
// }
}
},
handleElementAdded: {
value: function(event) {
this.executeSelectElement(event.detail);
}
},
handleElementsRemoved: {
value: function(event) {
if(!this._isDocument) {
this.application.ninja.selectedElements = [];
this._isDocument = true;
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument});
}
}
},
handleElementReplaced: {
value: function(event) {
this.application.ninja.selectedElements[this.application.ninja.selectedElements.indexOf(event.detail.data.oldChild)] = event.detail.data.newChild;
}
},
handleSelectAll: {
value: function(event) {
var selected = [], childNodes = [], self = this;
childNodes = this.application.ninja.currentDocument.model.documentRoot.childNodes;
childNodes = Array.prototype.slice.call(childNodes, 0);
childNodes.forEach(function(item) {
if(self.isNodeTraversable(item)) {
selected.push(item);
}
});
this.selectElements(selected);
}
},
/**
* Select Element. This function will not check that element, it will simply add it to the selection array.
*/
executeSelectElement: {
value: function(element) {
this.application.ninja.selectedElements = [];
if(element) {
if(Array.isArray(element)) {
this.application.ninja.selectedElements = Array.prototype.slice.call(element, 0);
} else {
this.application.ninja.selectedElements.push(element);
}
this._isDocument = false;
} else {
this._isDocument = true;
}
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
}
},
selectElement: {
value: function(element) {
if(this.findSelectedElement(element) === -1) {
if(this.application.ninja.currentDocument.inExclusion(element) !== -1){
if(this.isDocument) return; // If the stage is already selected do nothing.
this.executeSelectElement(); // Else execute selection with no element
} else {
if(element.parentNode.uuid === this.selectionContainer.uuid) {
this.executeSelectElement(element);
} else {
var outerElement = element.parentNode;
while(outerElement.parentNode && outerElement.parentNode.uuid !== this.selectionContainer.uuid) {
// If element is higher up than current container then return
if(outerElement.nodeName === "BODY") return;
// else keep going up the chain
outerElement = outerElement.parentNode;
}
this.executeSelectElement(outerElement);
}
}
}
}
},
selectElements: {
value: function(elements) {
if(elements && elements.length > 0) {
var that = this;
this.application.ninja.selectedElements = [];
elements.forEach(function(element) {
that.application.ninja.selectedElements.push(element);
that._isDocument = false;
});
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
}
}
},
shiftSelectElement: {
value: function(element) {
if(this.application.ninja.currentDocument.inExclusion(element) !== -1) return;
(this.findSelectedElement(element) !== -1 ) ? this.removeElement(element) : this.insertElement(element);
}
},
insertElement: {
value: function(element) {
if(element) {
if(this._isDocument) {
this.application.ninja.selectedElements = [];
this._isDocument = false;
}
this.application.ninja.selectedElements.push(element);
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
}
}
},
removeElement: {
value: function(item) {
if(item){
try{
if(this.application.ninja.selectedElements.length > 1) {
var idx = this.findSelectedElement(item);
if(idx != -1){
this.application.ninja.selectedElements.splice(idx, 1);
}
} else {
this.application.ninja.selectedElements = [];
this._isDocument = true;
}
NJevent("selectionChange", {"elements": this.application.ninja.selectedElements, "isDocument": this._isDocument} );
} catch (err) {
console.log("Fault: " + err);
}
}
}
},
isObjectSelected: {
value: function( elt ) {
return this.findSelectedElement(elt) > -1;
}
},
findSelectedElement: {
value: function(item) {
// TODO: Remove this function and use the stage selectable. Then only return a match in the array
//return this.application.ninja.selectedElements.indexOf(item);
//TODO: Make sure we don't need to loop back to the container element.
var itemUUID;
for(var i=0, uuid; this.application.ninja.selectedElements[i];i++) {
// Check for multiple selection and excluding inner elements
if(item.parentNode && item.parentNode !== this.application.ninja.currentDocument.model.documentRoot) {
var outerElement = item.parentNode;
while(outerElement.parentNode && outerElement.parentNode !== this.application.ninja.currentDocument.model.documentRoot) {
outerElement = outerElement.parentNode;
}
itemUUID = outerElement.uuid;
} else {
itemUUID = item.uuid;
}
if(this.application.ninja.selectedElements[i].uuid === itemUUID) {
return i;
}
}
return -1;
}
},
isNodeTraversable: {
value: function( item ) {
if(item.nodeType !== 1) return false;
return ((item.nodeName !== "STYLE") && (item.nodeName !== "SCRIPT"));
}
}
});
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