/* <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;
var Component = require("montage/ui/component").Component;

exports.TreeItem = Montage.create(Component, {

    _treeItemData:{
        enumerable : false,
        value:null
    },
    treeItemData:{
        get:function(){
            return this._treeItemData;
        },
        set:function(value){
            this._treeItemData = value;
            this.needsDraw = true;
        }
    },

    showIcon :{
        writable:true,
        enumerable:true,
        value:true
    },

    directoryBold :{
        writable:true,
        enumerable:true,
        value:false
    },

    metadata:{
           enumerable:true,
           writable:true,
           value:null
       },
    willDraw: {
    	enumerable: false,
    	value: function() {
            var that = this;
            this.itemName.innerHTML = this.treeItemData.name;

            if(this.showIcon === false){
                this.itemImg.style.display = "none";
            }else{
                if(this.treeItemData.type === "directory"){
                    this.itemImg.src = this.imgStore.img_root + this.imgStore.directory;
                }else{
                    var fileImg = "";
                    //get extension to map again right icon image
                    var extension = this.treeItemData.name.substring(this.treeItemData.name.lastIndexOf(".")).toLowerCase();
                    if(typeof this.imgStore[extension] !== "undefined"){
                        fileImg = this.imgStore.img_root + this.imgStore[extension];
                    }else{
                        fileImg = this.imgStore.img_root + this.imgStore.file_default;
                    }
                    this.itemImg.src = fileImg;
                }
            }

            if(this.treeItemData.type === "directory"){
                this.treeArrow.classList.remove("hidden");
                if(this.directoryBold === true){
                    this.itemName.classList.add("bold");
                }
            }
        }
    },
    draw: {
    	enumerable: false,
    	value: function() {

        }
    },
    didDraw: {
    	enumerable: false,
    	value: function() {
            var that = this;
            this.element.identifier = "treeItem";
            this.treeArrow.identifier = "treeArrow";

            //add arrow click handler for directory
            if(this.treeItemData.type === "directory"){
                this.treeArrow.addEventListener("click", this, false);
            }

            //icon or text click sends selection event
            var contentEls = this.element.querySelectorAll(".atreeItemContent");
            for(var i=0;i<contentEls.length;i++){
                contentEls[i].addEventListener("click", function(evt){that.handleTreeItemContentClick(evt);}, false);
                contentEls[i].addEventListener("dblclick", function(evt){that.handleTreeItemContentDblclick(evt);}, false);
            }

            this.element.addEventListener("mouseover", function(evt){that.handleTreeItemMouseover(evt);}, false);

            //prepare metadata string
            if(this.treeItemData.name !== ""){
                this.metadata = "Name: "+this.treeItemData.name;
            }
            this.metadata = this.metadata + "<br />" + "Type: "+this.treeItemData.type;
            if(this.treeItemData.size){this.metadata = this.metadata + "<br />" + "Size: "+this.treeItemData.size;}
            if(this.treeItemData.creationDate){this.metadata = this.metadata + "<br />" + "Creation date: "+ this.formatTimestamp(this.treeItemData.creationDate);}
            if(this.treeItemData.modifiedDate){this.metadata = this.metadata + "<br />" + "Modified date: "+ this.formatTimestamp(this.treeItemData.modifiedDate);}
    	}
    },

    toggleContent:{
        writable:false,
        enumerable:true,
        value:function(el){
            //if children already drawn then just hide/show
            if(this.element.getElementsByTagName("ul").length > 0){
                var theParent = this.element.getElementsByTagName("ul")[0].parentNode;
                if(theParent.classList.contains("hideTree")){//collapsed

//                    //check if content has changed and refresh if yes
//                    var refreshTreeSegmentEvent = document.createEvent("Events");
//                    refreshTreeSegmentEvent.initEvent("refreshTreeSegment", false, false);
//                    refreshTreeSegmentEvent.uri = this.treeItemData.uri;
//                    refreshTreeSegmentEvent.type = this.treeItemData.type;
//                    refreshTreeSegmentEvent.treeSegment = this.element.querySelector(".atree");
//                    this.element.dispatchEvent(refreshTreeSegmentEvent);

                    theParent.classList.remove("hideTree");//expand
                    el.innerHTML = "&#9660;";
                }else{//expanded
                    theParent.classList.add("hideTree");//collapse
                    el.innerHTML = "&#9654;";
                }
            }
            //else send event to draw the children
            else{
                var treeClickEvent = document.createEvent("Events");
                treeClickEvent.initEvent("drawTree", false, false);
                treeClickEvent.uri = this.treeItemData.uri;
                treeClickEvent.uriType = this.treeItemData.type;
                var divEl = document.createElement("div");
                this.element.appendChild(divEl);
                treeClickEvent.subTreeContainer = divEl;
                this.element.dispatchEvent(treeClickEvent);

                el.innerHTML = "&#9660;";
            }
        }
    },

    /**
     * Event Listeners
     */

    handleTreeArrowClick : {
        value:  function(evt){
                    this.toggleContent(evt.target);

                    if(evt.bubbles){
                        evt.stopPropagation();
                    }
                }
    },

    handleTreeItemMouseover:{
        value:function(evt){
                    //console.log(that.element.querySelector(".name").innerHTML);
                    var showMetadataEvent = document.createEvent("Events");
                    showMetadataEvent.initEvent("showMetadata", false, false);
                    showMetadataEvent.metadata = this.metadata;
                    this.element.dispatchEvent(showMetadataEvent);

                    if(evt.bubbles){
                        evt.stopPropagation();
                    }

                }
    },

    handleTreeItemContentClick:{
        value: function(evt){
                    var selectedItemEvent = document.createEvent("Events");
                    selectedItemEvent.initEvent("selectedItem", false, false);
                    selectedItemEvent.uri = this.treeItemData.uri;
                    this.itemName.dispatchEvent(selectedItemEvent);

                    var showMetadataEvent = document.createEvent("Events");
                    showMetadataEvent.initEvent("updateMetadata", false, false);
                    showMetadataEvent.metadata = this.metadata;
                    this.element.dispatchEvent(showMetadataEvent);

                    if(evt.bubbles){
                        evt.stopPropagation();
                    }
                }
    },

    handleTreeItemContentDblclick:{
        value: function(evt){
                    if(this.treeItemData.type === "directory"){
                        var openFolderEvent = document.createEvent("Events");
                        openFolderEvent.initEvent("openFolder", false, false);
                        openFolderEvent.folderUri = this.treeItemData.uri;
                        this.element.dispatchEvent(openFolderEvent);
                    }
                    if(evt.bubbles){
                            evt.stopPropagation();
                    }
                }
    },

    imgStore:{
        writable:false,
        enumerable: true,
        value:{
            "img_root":"images/picker/",
            ".png":"png_file.png",
            ".jpg":"jpeg_file.png",
            ".js":"js_file.png",
            ".css":"css_file.png",
            ".html":"html_file.png",
            ".xml":"xml_file.png",
            ".php":"php_file.png",
            ".doc":"doc_file.png",
            ".docx":"doc_file.png",
            ".rtf":"rtf_file.png",
            ".pdf":"pdf_file.png",
            ".zip":"zip_file.png",
            ".rar":"zip_file.png",
            ".app":"executable.png",
            ".exe":"executable.png",
            "file_default":"file.png",
            "directory":"folder.png"
        }
    },

    folderImg:{
        writable:false,
        enumerable:true,
        //value: "data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%0F%00%00%00%0D%08%06%00%00%00v%1E4A%00%00%00%19tEXtSoftware%00Adobe%20ImageReadyq%C9e%3C%00%00%03diTXtXML%3Acom.adobe.xmp%00%00%00%00%00%3C%3Fxpacket%20begin%3D%22%EF%BB%BF%22%20id%3D%22W5M0MpCehiHzreSzNTczkc9d%22%3F%3E%20%3Cx%3Axmpmeta%20xmlns%3Ax%3D%22adobe%3Ans%3Ameta%2F%22%20x%3Axmptk%3D%22Adobe%20XMP%20Core%205.0-c060%2061.134777%2C%202010%2F02%2F12-17%3A32%3A00%20%20%20%20%20%20%20%20%22%3E%20%3Crdf%3ARDF%20xmlns%3Ardf%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%22%3E%20%3Crdf%3ADescription%20rdf%3Aabout%3D%22%22%20xmlns%3AxmpMM%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2Fmm%2F%22%20xmlns%3AstRef%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2FsType%2FResourceRef%23%22%20xmlns%3Axmp%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2F%22%20xmpMM%3AOriginalDocumentID%3D%22xmp.did%3A3DDD06742B8DE011952EC04AE9C71C6E%22%20xmpMM%3ADocumentID%3D%22xmp.did%3ACB1289EEB95B11E0A3E0F320D5639EA0%22%20xmpMM%3AInstanceID%3D%22xmp.iid%3ACB1289EDB95B11E0A3E0F320D5639EA0%22%20xmp%3ACreatorTool%3D%22Adobe%20Photoshop%20CS5%20Windows%22%3E%20%3CxmpMM%3ADerivedFrom%20stRef%3AinstanceID%3D%22xmp.iid%3ABB242C8D4AB9E011B013F72FE65B91B8%22%20stRef%3AdocumentID%3D%22xmp.did%3A3DDD06742B8DE011952EC04AE9C71C6E%22%2F%3E%20%3C%2Frdf%3ADescription%3E%20%3C%2Frdf%3ARDF%3E%20%3C%2Fx%3Axmpmeta%3E%20%3C%3Fxpacket%20end%3D%22r%22%3F%3E%0Di%17%A8%00%00%01%16IDATx%DA%9CQ%BB%8D%84%40%0C5%60%10%3D%20%D1%01!%11%E9%5D%13%2B!%9DD%0A%3DP%015%1C1%25lL%01%D4%40%0D%87%F8%CF%ED%1B%C9%C8%BB%DAK%CE%C1%F8%FF%FC%ECq%8C1%04I%92%E43%CB%B2%2F%C7q%AC%0F%DD%F7%FD%F70%0Cw%FAC%18O%9E%E7%A6m%5B%1B%08%C3%90%98%99%3C%CF%23%DF%F7oeY%DA8%86%08%F08%8E%16%DF6o%DBF%D34%5D%88A%10X%90%A2(h%DFw%3A%CF%D3%D6%1C%C7A%CB%B2P%D34%94%A6)%B9%F4O%A9%EB%9A%9C%AA%AA%EEq%1C%7F%00%5D%E8A%E0%8B-%1A%93%85%3E%F2%FCx%CE(%8Al%D2u%DD%2B)%85%02%02-%B6%F8%0C%03%7B%E0%40r%10)%80%60g%F1%A5Ij%18%13%E4%18%F2E%BAP7%CA%3AW3%D8%AE%EBj)%BF~%89%DE%5B%0Bb%18%06%DA%8Cf%D0F1%1A%F5%F4W0m%B3%3E%86F%16%00%7D%07%BD%164%B8%1A%9D%D4%8D%1A%EC%1Du%9E%E7%F9%A7%EB%BA'%BA%EFD%BEQ3%F8%15%60%00%93%E1%09(%04O%F3%95%00%00%00%00IEND%AEB%60%82"
        value:"images/picker/folder.png"
    },

    fileImg:{
        writable:false,
        enumerable:true,
        //value: "data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%0C%00%00%00%0F%08%06%00%00%00%D0%E1.I%00%00%00%19tEXtSoftware%00Adobe%20ImageReadyq%C9e%3C%00%00%03diTXtXML%3Acom.adobe.xmp%00%00%00%00%00%3C%3Fxpacket%20begin%3D%22%EF%BB%BF%22%20id%3D%22W5M0MpCehiHzreSzNTczkc9d%22%3F%3E%20%3Cx%3Axmpmeta%20xmlns%3Ax%3D%22adobe%3Ans%3Ameta%2F%22%20x%3Axmptk%3D%22Adobe%20XMP%20Core%205.0-c060%2061.134777%2C%202010%2F02%2F12-17%3A32%3A00%20%20%20%20%20%20%20%20%22%3E%20%3Crdf%3ARDF%20xmlns%3Ardf%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%22%3E%20%3Crdf%3ADescription%20rdf%3Aabout%3D%22%22%20xmlns%3AxmpMM%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2Fmm%2F%22%20xmlns%3AstRef%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2FsType%2FResourceRef%23%22%20xmlns%3Axmp%3D%22http%3A%2F%2Fns.adobe.com%2Fxap%2F1.0%2F%22%20xmpMM%3AOriginalDocumentID%3D%22xmp.did%3A3DDD06742B8DE011952EC04AE9C71C6E%22%20xmpMM%3ADocumentID%3D%22xmp.did%3AFB8694A1B95B11E089FD9315AFFFFC35%22%20xmpMM%3AInstanceID%3D%22xmp.iid%3AFB8694A0B95B11E089FD9315AFFFFC35%22%20xmp%3ACreatorTool%3D%22Adobe%20Photoshop%20CS5%20Windows%22%3E%20%3CxmpMM%3ADerivedFrom%20stRef%3AinstanceID%3D%22xmp.iid%3ABB242C8D4AB9E011B013F72FE65B91B8%22%20stRef%3AdocumentID%3D%22xmp.did%3A3DDD06742B8DE011952EC04AE9C71C6E%22%2F%3E%20%3C%2Frdf%3ADescription%3E%20%3C%2Frdf%3ARDF%3E%20%3C%2Fx%3Axmpmeta%3E%20%3C%3Fxpacket%20end%3D%22r%22%3F%3E3%FD%7F%2B%00%00%018IDATx%DAt%91%BBJCA%10%40w%D7%DCB%23%DC%80%8A%82U%AA%60e%9DJH-%82%8D%85X)ha!X%24%A5%F8H%FE%20%8D_%60%E3%2F%A4%B2%13%D1%D2%CAB%10%95%D8%04%7C%E0%7DzFv%C3%25%EC%1D8%CC%EC0%EF%D5i%9An%18c.U%B9%F4%93%249'NeY%A6%0C%8EY%1C%CA%C3%85%D5%87Z%EB%9E%CB68%86%92%E9%E1%1Ab%B1%A9%BEK%D2%A9%24Tx%04%BE9%18%F3%15%F5%94%E7yC%DE%24%1C%A0%96%2BT%C8%7D%09%04%AA8%8E%D7%82%20%D8%C3%5E%C5%B5%05%EB%D2%A1l%D97%180%F2%2F%FA%0EF%10J%07e%5B%3E%60%EF%60%CEK%03X%84%25xa%BC%0E%5DB%EC%CFb%87%3At%A1f%DF%99M%FC%A6P%E8V%2B%26%3C%C3%09%2C%C0%94%0D%D6%F0%0EG%F0%BF%FCx%24d%05%AE%A0%3A%B1%CB%8F%1DO%B9%B3%3A%FB%166a%AE%10%2C%1D%3E%A0%0D%C7%93%235Y%EE%1E%3Dc%03%9D%7C1%85%2B%92%8E%FF%81%2B%0D%A2(%DAF%FBN%BCO%B13%F9%1B%E9%E0.%D0%92%DB%8B%D3'v%D7%AAtx%2C%2CgJ%3EQ%A2%A7%E1%E6O%80%01%00%20%DB%B8%A6Z%92%D9)%00%00%00%00IEND%AEB%60%82"
        value:"images/picker/file.png"
    },

    /**
     * convert timestamp to human readable form
     *
     * @param: timestamp - UTC milliseconds
     */
    formatTimestamp:{
        writable:false,
        enumerable: false,
    	value: function(timestamp) {
            var aDate = new Date();
            timestamp = timestamp - (aDate.getTimezoneOffset()*60*1000);//convert from GMT to local timestamp
            aDate = new Date(timestamp);
            return aDate.toLocaleString();
    	}
    }

});