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path: root/js/components/ui/FilePicker/file-picker-model.js
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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 filePickerControllerModule = require("js/components/ui/FilePicker/file-picker-controller");

//this is per file picker instance
exports.FilePickerModel = (require("montage/core/core").Montage).create(require("montage/ui/component").Component, {

    fatalError:{
         writable:true,
         enumerable:true,
         value:null
    },

    _fileFilters:{
            writable:true,
            enumerable:false,
            value:null
        },
        fileFilters:{
            get:function(){
                return this._fileFilters;
            },
            set:function(value){
                this._fileFilters = value;
            }
        },
        _currentFilter:{
            writable:true,
            enumerable:false,
            value:null
        },
        currentFilter:{
            get:function(){
                return this._currentFilter;
            },
            set:function(value){
                this._currentFilter = value;
            }
        },

        /**
         * true -> file selection mode
         * false -> directory selection mode
         */
        inFileMode:{
            writable:true,
            enumerable:false,
            value:null
        },

    /**
     * pickerMode: ["read", "write"] : specifies if the file picker is opened to read a file/folder or to save a file
     */
        pickerMode:{
            writable:true,
            enumerable:false,
            value:null
        },

        topLevelDirectories:{
            writable:true,
            enumerable:true,
            value:[]
        },

        currentRoot:{
            writable:true,
            enumerable:true,
            value:""
        },

        callback:{
            writable:true,
            enumerable:true,
            value:null
        },

        callbackScope:{
            writable:true,
            enumerable:true,
            value:null
        },

        /**
         * stores the previously viewed directory uris in an array [FILO] per file picker instance
         */
        _history:{
            writable:true,
            enumerable:true,
            value:[]//array of visited URIs for the back/forward arrows
        },

    /**
     * store history of folders navigated if it was already not visited last
     */
        storeHistory:{
            writable:false,
            enumerable:true,
            value:function(uri){
                //remove redundant / at end
//                uri = new String(uri);
//                if((uri.charAt(uri.length - 1) === "/") || (uri.charAt(uri.length - 1) === "\\")){
//                    uri = uri.substring(0, (uri.length - 1));
//                }
                //console.log("storeHistory: "+uri);
                if(uri && (uri !== this._history[this._history.length -1]) && (!!filePickerControllerModule.FilePickerController._directoryContentCache[uri]) && (filePickerControllerModule.FilePickerController._directoryContentCache[uri].type === "directory")){
                    //remove history after current pointer
                    if(this._history.length >0){
                        this._history.splice((this.currentHistoryPointer+1), (this._history.length - this.currentHistoryPointer - 1));
                    }
                    //now add the new state
                    this._history.push(uri);
                    this.currentHistoryPointer = this._history.length -1;
                    //console.log("### stored: "+uri+" : pointer="+this.currentHistoryPointer);
                }
            }
        },

        currentHistoryPointer:{
            writable:true,
            enumerable:true,
            value:-1
        }
});