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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;

var ClipboardController = exports.ClipboardController = Montage.create(Component, {
    hasTemplate: {
        value: false
    },

    deserializedFromTemplate: {
        value: function() {
            document.body.addEventListener("copy", this, false);
            document.body.addEventListener("cut", this, false);
            document.body.addEventListener("paste", this, false);

            //ninja menu events
            this.eventManager.addEventListener("executeCut", this, false);
            this.eventManager.addEventListener("executeCopy", this, false);
            this.eventManager.addEventListener("executePaste", this, false);
        }
    },

    _copyFlag:{
        value:false
    },

    copyFlag:{
        get:function(){return this._copyFlag;},
        set:function(value){this._copyFlag = value;}
    },

    _newCopyFlag:{
        value:true
    },

    newCopyFlag:{
        get:function(){return this._newCopyFlag;},
        set:function(value){this._newCopyFlag = value;}
    },

    handleExecuteCopy:{
        value: function(){document.execCommand('copy',false,null);}
    },

    handleExecuteCut:{
        value: function(){document.execCommand('cut',false,null);}
    },

    handleExecutePaste:{
        value: function(){document.execCommand('paste',false,null);}
    },

    handleCopy:{
        value:function(clipboardEvent){
            //depends on the clipboard event
            if(this.application.ninja.selectedElements.length > 0){
            clipboardEvent.clipboardData.setData('text/html', ''+this.application.ninja.selectedElements[0].outerHTML);//copying first selected element for POC

            clipboardEvent.preventDefault();
            }
        }
    },

    handleCut:{
        value:function(clipboardEvent){
            var clipboardData = clipboardEvent.clipboardData,
                htmlData = clipboardData.getData("text/html"),
                textData = clipboardData.getData("text/plain");

            console.log("$$$ handleCut ", textData);


            clipboardEvent.preventDefault();
                        clipboardEvent.stopPropagation();
        }
    },

    handlePaste:{
        value:function(clipboardEvent){
            var clipboardData = clipboardEvent.clipboardData,
                htmlData = clipboardData.getData("text/html"),
                textData = clipboardData.getData("text/plain"),
                data = null;

            data = htmlData || textData;

            if(data){
                //hack - to avoid parsing html code now

                this.application.ninja.documentController.activeDocument.documentRoot.innerHTML = data + this.application.ninja.documentController.activeDocument.documentRoot.innerHTML;

            }

            clipboardEvent.preventDefault();
        }
    },

    /*
    does not preserve the css class / html structure while copying
     */
    copyUsingContenteditable:{
        value:function(){
            var clipboardHelper=document.getElementById("clipboardHelper"),copyElement = null, textData = "";
            if((this.copyFlag === true) ) {
                if(!clipboardHelper) clipboardHelper.innerHTML = "";//clear
                this.copyFlag = false;
                return;//break infinite loop
            }

            //dynamically create editable div for execCommand->copy
            if(!clipboardHelper){
                clipboardHelper = document.createElement ("div");
                clipboardHelper.id = "clipboardHelper";
                    // place outside the visible area
                clipboardHelper.style.position = "absolute";
                clipboardHelper.style.left = "-10000px";
                clipboardHelper.style.top = "-10000px";
                clipboardHelper.setAttribute("contenteditable", "true");
                clipboardHelper.style.webkitUserSelect = "auto";

//                clipboardHelper.style.width = "500px";
//                clipboardHelper.style.height = "125px";
//                clipboardHelper.style.overflow = "visible";
//                clipboardHelper.style.zIndex = "10000";
//                clipboardHelper.style.border = "1px solid red";
//                clipboardHelper.style.backgroundColor = "yellow";

                document.body.appendChild (clipboardHelper);
            }

            clipboardHelper.focus();
            //copy single selection for POC
            if(this.application.ninja.selectedElements.length > 0){
                clipboardHelper.innerHTML = this.application.ninja.selectedElements[0].outerHTML;
            }
            //do selection
            document.execCommand('selectAll',false,null);
            this.copyFlag = true;//flag to prevent infinite loop
            document.execCommand('copy',false,null);

        }
    }

});