/**
 * Project   : AMDA-NG
 * Name      : TimeTableUI.js
 * @class 	 amdaUI.TimeTableUI
 * @extends    Ext.container.Container
 * @brief	 Time Table Module UI definition (View)
 * @author 	 Myriam
 * @version  $Id: TimeTableUI.js 2075 2014-02-11 11:30:14Z elena $
 */

Ext.define('amdaUI.TimeTableUI', {
    extend: 'Ext.container.Container',
    alias: 'widget.panelTimeTable',

    requires: [
        'Ext.ux.grid.FiltersFeature',
        'Ext.ux.grid.filter.DateFilter',
        'Ext.ux.grid.filter.NumericFilter',
        'amdaUI.CustomFilters',
        'amdaUI.OperationsTT',
        'amdaUI.StatisticalPlug',
        'amdaUI.DescriptionField',
        'Ext.grid.plugin.BufferedRenderer',
        'amdaDesktop.AmdaStateProvider'
    ],

    statics: {
        COL_TO_HIDE: 'colToHide'
    },

    status: null,

    constructor: function (config) {
        this.init(config);
        this.callParent(arguments);
        // load object into view
        this.loadObject();
    },

    /**
     * set the current editing object
     * this method will be used on timetable edition when this win is already opened
     */
    setObject: function (object)
    {
        // set object
        this.object = object;

        // load object into view
        this.loadObject();

        // show the default duration column
        this.TTGrid.headerCt.getGridColumns();

        Ext.Array.each(this.TTGrid.headerCt.getGridColumns(), function (item, index, all) {
            // if item is the default duration column
            if (item.id == amdaUI.TimeTableUI.COL_TO_HIDE + Ext.state.Manager.getProvider().get('tt_duration').toString()) {
                // show this column
                item.show();
            }
        });
        // fire the refresh event (to statistical plugin)
        this.fireEvent("refresh");
        // global event
        myDesktopApp.EventManager.fireEvent("refresh");
    },

    /**
     * load object timetable into this view
     */
    loadObject: function () {
        this.object.set('created', this.convertUTCDateToLocalDate(this.object.get('created')));
        // load object into form
        this.formPanel.getForm().loadRecord(this.object);

        this.status = null;

        //
        var me = this;

        var onAfterInit = function (result, e) {
            if (!result || !result.success)
            {
                if (result.message)
                    myDesktopApp.errorMsg(result.message);
                else
                    myDesktopApp.errorMsg('Unknown error during cache initialisation');
                return;
            }

            me.TTGrid.getSelectionModel().deselectAll();

            // clear filters
            me.TTGrid.getStore().clearFilter(true);
            me.TTGrid.filters.clearFilters();

            //clear sort
            me.TTGrid.getStore().sorters.clear();
            //me.TTGrid.getStore().sorters = new Ext.util.MixedCollection();

            //set cache token to the Time Table object
            me.object.set('cacheToken', result.token);

            me.TTGrid.getStore().load();

            me.status = result.status;

            //Statistical plugin
            me.fireEvent("refresh");
        };

        if (this.object.get('fromPlugin'))
        {
            if (this.object.get('objFormat') && this.object.get('objFormat') != '')
            {
                //From uploaded file
                AmdaAction.initObjectCacheFromUploadedFile(this.object.get('objName'), this.object.get('objFormat'), false, onAfterInit);
            } else
            {
                //From tmp object (ie Search result)
                AmdaAction.initObjectCacheFromTmpObject(this.object.get('folderId'), this.object.get('objName'), false, onAfterInit);
            }
        } else if (this.object.get('relatedCatalogId') != '')
        {
            var pathern = this.object.get('relatedCatalogId').split('_')[0];
            catType = '';
            if (pathern == 'cat')
                catType = ' catalog';
            if (pathern == 'sharedcatalog')
                catType = 'sharedcatalog';
            AmdaAction.initObjectCacheFromCatalog(this.object.get('relatedCatalogId'), catType, onAfterInit);
        } else
        {
            var typeTT = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.tt.id).linkedNode.data.nodeType;
            if (this.object.get('id') == '')
            {
                //Init empty cache
                AmdaAction.initObjectCache(false, 0, onAfterInit);
            } else
            {
                //From existing TT file
                AmdaAction.initObjectCacheFromObject(this.object.get('id'), typeTT, onAfterInit);
            }
        }
    },

    /**
     * update this.object from form
     */
    updateObject: function ()
    {
        this.updateCount();

        // get the basic form
        var basicForm = this.formPanel.getForm();
        var updateStatus = true;

        var fieldsWithoutName = basicForm.getFields().items;
        Ext.Array.each(fieldsWithoutName, function (item, index, allItems) {
            if (item !== this.fieldName) {
                if (!item.isValid()) {
                    // set update isn't allowed
                    updateStatus = false;
                }
            }
        }, this);
        // if the update is allowed
        if (updateStatus) {
            /// real object update
            // update TimeTable object with the content of form
            basicForm.updateRecord(this.object);
        }
        // return the update status
        return updateStatus;
    },

    updateCount: function ()
    {
        this.object.set('nbIntervals', this.TTGrid.getStore().getTotalCount());
        this.formPanel.getForm().findField('nbIntervals').setValue(this.object.get('nbIntervals'));
    },

    /*
     * save method called by Save button
     */
    saveProcess: function (toRename, onAfterSave, notDisplayMsg)
    {
        var timeTableModule = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.tt.id);

        // if the name has been modified this is a creation
        if (timeTableModule.contextNode && (timeTableModule.contextNode.data.id == 'sharedtimeTable-treeRootNode'))
        {
            timeTableModule.linkedNode = null;
            timeTableModule.createLinkedNode();
            timeTableModule.createObject(this.object.getJsonValues());
            var ttobj = timeTableModule.linkedNode.get('object');
            // synchronisation of objects
            this.object = ttobj;
            timeTableModule.linkedNode.create();
        } else if (this.fclose() || this.status ) /*TimeTable object has been modified*/
        {
            if (this.object.isModified('name') || this.object.get('fromPlugin'))
            {
                // if object already has an id : it's a 'rename' of an existing TimeTable
                if (this.object.get('id'))
                {
                    // the context Node is the parent node of current edited one
                    var contextNode = timeTableModule.linkedNode.parentNode;
                    // link a new node to the TimeTableModule
                    timeTableModule.createLinkedNode();
                    // set the contextNode
                    timeTableModule.linkedNode.set('contextNode', contextNode);
                    // create a new object linked
                    timeTableModule.createObject(this.object.getJsonValues());

                    var ttobj = timeTableModule.linkedNode.get('object');
                    // synchronisation of objects
                    this.object = ttobj;

                    if (toRename)
                        timeTableModule.linkedNode.toRename = true;
                }
                timeTableModule.linkedNode.create({callback: function ($action) {
                        if (timeTableModule.linkedNode.get('object').get('fromPlugin'))
                            timeTableModule.linkedNode.get('object').set('fromPlugin', false);
                        timeTableModule.linkedNode.update({callback: function () {
                                if (onAfterSave)
                                    onAfterSave();
                            }, scope: this});
                    },
                    scope: this});
            } else {
                //update
                timeTableModule.linkedNode.update({callback: function () {
                        if (onAfterSave)
                            onAfterSave();
                    }, scope: this});
            }
        }
    },

    /**
     * overwrite metod called by Save button
     */
    overwriteProcess: function (btn)
    {
        if (btn == 'cancel')
            return;

        this.fieldName.clearInvalid();
        this.saveProcess(true);

    },

    addInterval: function (start, stop)
    {
        var row = this.TTGrid.getStore().getTotalCount();
        var me = this;
        this.TTGrid.getSelectionModel().deselectAll();
        AmdaAction.addCacheInterval({'start': start, 'stop': stop, 'index': row}, function (result, e) {
            this.status = result.status;
            if (!this.TTGrid.getStore().loading) {
                this.TTGrid.getStore().reload({
                    callback: function (records, options, success) {
                        me.TTGrid.getView().bufferedRenderer.scrollTo(row, false, function () {
                            me.TTGrid.getView().select(row);
                        }, me);
                    }
                });
            }
        }, this);
    },
    generateCAT: function (id)
    {
        if (this.fclose()) {
            Ext.Msg.confirm('Generate CAT', 'Current Time Table has been modified.\nDo you want to save it to include these changes in the generated Catalog ?',
                    function (btn, text) {
                        if (btn == 'yes') {
                            // mark this.closed as true before the call to close() as that will fire the beforeclose event again
                            if (this.object.get('id') == "") {
                                // case of creation of catalog
                                this.saveTT(this.createCAT(this.object.get('id')));
                            } else {
                                // case existing catalog
                                this.saveProcess(false, this.createCAT(this.object.get('id')));
                            }
                            return;
                        }
                    }, this);

        } else {
            this.createCAT(this.object.get('id'));
            return;
        }
    },
    createCAT: function (id)
    {
        Ext.Msg.prompt('Create catalog', 'Enter the number of columns:', function (btn, text) {
            if (btn == 'ok') {
                var catObj = Ext.create('amdaModel.Catalog');
                var catNode = Ext.create('amdaModel.CatalogNode', {leaf: true});
                catObj.set('relatedTimeTableId', id);
                creatDate = new Date(this.object.get('created'));
                date = Ext.Date.format(creatDate, 'Y-m-d\\TH:i:s.u');
                descr = 'Generated by CDPP/Amda Time Table Module \n' + 'From Time Table: ' + this.object.get('name') + ' which was generated on: ' + date + '\n';
                catObj.set('description', descr + this.object.get('description'));
                var nbParam = parseInt(text);
                if ((nbParam <= 0) || (nbParam > 100)) {
                    nbParam = 1;
                }
                catObj.set('nbParameters', nbParam);
                catNode.set('object', catObj);
                var explorerTree = Ext.getCmp(amdaUI.ExplorerUI.RESRC_TAB.TREE_ID);
                var catRootNode = explorerTree.getRootNode().findChild('id', 'catalog-treeRootNode', true);
                amdaModel.InteractiveNode.preloadNodes(catRootNode.getRootNode(),
                        function ()
                        {
                            // edit newNode into Parameter Module with node as contextNode
                            catNode.editInModule();
                        });
            }
        }, this);
    },
    saveTT: function (OnAfterSave)
    {
        if (this.updateObject()) {
            var basicForm = this.formPanel.getForm();
            // if there's at least one record in the store of TTGrid
            if (this.TTGrid.getStore().getTotalCount() > 0) {
                // update TimeTable object which the content of form
                basicForm.updateRecord(this.object);

                var me = this;
                this.checkIntervalsStatusForSave(function () {
                    //Name validation
                    var ttModule = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.tt.id);
                    if (!ttModule)
                        return;
                    ttModule.linkedNode.isValidName(me.fieldName.getValue(), function (res) {
                        if (!res)
                        {
                            me.fieldName.validFlag = 'Error during object validation';
                            myDesktopApp.errorMsg(me.fieldName.validFlag);
                            me.fieldName.validate();
                            return;
                        }

                        if (!res.valid)
                        {
                            if (res.error)
                            {
                                if (res.error.search('subtree') != -1) {
                                    Ext.MessageBox.show({title: 'Warning',
                                        msg: res.error + '<br/>Do you want to overwrite it?',
                                        width: 300,
                                        buttons: Ext.MessageBox.OKCANCEL,
                                        fn: me.overwriteProcess,
                                        icon: Ext.MessageBox.WARNING,
                                        scope: me
                                    });
                                    me.fieldName.validFlag = true;
                                } else
                                    me.fieldName.validFlag = res.error;
                            } else
                            {
                                me.fieldName.validFlag = 'Invalid object name';
                                myDesktopApp.errorMsg(me.fieldName.validFlag);
                            }
                            me.fieldName.validate();
                            return;
                        }

                        me.fieldName.validFlag = true;
                        me.fieldName.validate();
                        me.saveProcess(false);
                    });
                });
            } else {
                // warning:
                Ext.Msg.alert('No intervals', 'Your time table is invalid, <br>you must have at least one interval');
            }
        }
    },

    // Convert UTC date to client local date 
    convertUTCDateToLocalDate: function (date) {
        if (date == null) {
            return date;
        };
         
        var newDate = new Date(date.getTime() + date.getTimezoneOffset() * 60 * 1000);

        var offset = date.getTimezoneOffset() / 60;
        var hours = date.getHours();

        newDate.setHours(hours - offset);

        return newDate;
    },

    init: function (config)
    {
        amdaUI.CustomFilters.init();
        this.object = config.object;

        this.fieldName = new Ext.form.field.Text({
            fieldLabel: 'Name*',
            allowBlank: false,
            stripCharsRe: /(^\s+|\s+$)/g,
            emptyText: 'Please no spaces!',
            name: 'name',
            anchor: '100%',
            validateOnChange: false,
            validateOnBlur: false,
            validFlag: false,
            validator: function () {
                return this.validFlag;
            }
        });

        this.formPanel = new Ext.form.Panel({
            bodyStyle: {background: '#dfe8f6'},
            id: 'formTimeTable',
            flex: 4,
            model: 'amdaModel.TimeTable',
            trackResetOnLoad: true, // reset to the last loaded record
            border: false,
            fieldDefaults: {labelWidth: 80},
            items: [
                this.fieldName,
                {
                    xtype: 'fieldcontainer',
                    layout: 'hbox',
                    fieldLabel: 'Creation date',
                    items: [
                        {
                            xtype: 'datefield', width: 180,
                            name: 'created', disabled: true,
                            hideTrigger: true, format: 'Y/m/d H:i:s'
                        },
                        {xtype: 'component', width: 20},
                        {xtype: 'displayfield', value: 'Intervals:', width: 50},
                        {xtype: 'component', width: 8},
                        {xtype: 'textfield', name: 'nbIntervals', disabled: true, width: 70}
                    ]
                },
                {
                    xtype: 'descriptionfield',
                    height:180,
                    name: 'description',
                    anchor: '100% 50%'
                },
                {
                    xtype: 'textarea',
                    name: 'history',
                    fieldLabel: 'Operation log',
                    anchor: '100% 30%'
                }
            ]

        });

        var store = Ext.create('Ext.data.Store', {
            model: 'amdaModel.Interval',
            autoDestroy: false,
            pageSize: 200,
            buffered: true,
            autoLoad: true,
            purgePageCount: 0,
            remoteSort: true,
            listeners: {
                load: function (store, records) {

                    //  alert('nb of records in store:'+records.length );
                    myDesktopApp.EventManager.fireEvent('refresh');
                    this.TTGrid.getView().refresh();
                    this.TTGrid.getSelectionModel().refresh();
                    this.updateCount();
                    //Statistical plugin
                    this.fireEvent("refresh");
                },
                prefetch: function (store, records, successful, operation, eOpts) {
                    if (operation && (operation.action == 'read'))
                    {
                        if (operation.response && operation.response.result && operation.response.result.success)
                            this.status = operation.response.result.status;
                    }
                },
                remove: function (store) {
                    this.updateCount();
                    //Statistical plugin
                    this.fireEvent("refresh");
                },
                add: function (store) {
                    this.updateCount();
                    //Statistical plugin
                    this.fireEvent("refresh");
                },
                datachanged: function (store) {
                    this.updateCount();
                    //Statistical plugin
                    this.fireEvent("refresh");
                },
                scope: this
            }
        });

        var filters = {
            ftype: 'filters',
            encode: true, // json encode the filter query
            local: false, // defaults to false (remote filte
            filters: [
                {type: 'customnumericfilter', dataIndex: 'durationDay'},
                {type: 'customnumericfilter', dataIndex: 'durationHour'},
                {type: 'customnumericfilter', dataIndex: 'durationMin'},
                {type: 'customnumericfilter', dataIndex: 'durationSec'},
                {type: 'customdatefilter', dataIndex: 'start', dateFormat: 'c'},
                {type: 'customdatefilter', dataIndex: 'stop', dateFormat: 'c'}
            ]
        };
        var cellEditing = Ext.create('Ext.grid.plugin.CellEditing', {
            onEditComplete: function (ed, value, startValue) {
                var me = this,
                        activeColumn = me.getActiveColumn(),
                        context = me.context,
                        record;

                if (activeColumn) {
                    record = context.record;

                    me.setActiveEditor(null);
                    me.setActiveColumn(null);
                    me.setActiveRecord(null);

                    context.value = value;
                    if (!me.validateEdit()) {
                        me.editing = false;
                        return;
                    }

                    // Only update the record if the new value is different than the
                    // startValue. When the view refreshes its el will gain focus
                    if (!record.isEqual(value, startValue)) {
                        var obj = {
                            'cacheId': record.get('cacheId'),
                            'isCatalog': false,
                            'data': {}
                        };
                        obj['data'][activeColumn.dataIndex] = Ext.Date.format(value, 'Y-m-d\\TH:i:s.u');

                        //context.grid.getSelectionModel().deselectAll();
                        //Interval is modified on the server side
                        me.editing = true;

                        AmdaAction.modifyCacheInterval(obj, function (result, e) {

                            var ttModule = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.tt.id);
                            if (ttModule)
                                ttModule.getUiContent().status = result.status;
                            if (!context.store.loading) {
                                context.grid.getSelectionModel().deselectAll();
                                context.store.reload({
                                    callback: function (records, options, success) {
                                        context.view.bufferedRenderer.scrollTo(context.rowIdx, true, function () {
                                            me.fireEvent('edit', me, context);
                                            me.editing = false;
                                        }, me);
                                    }
                                });
                            } else {
                                me.editing = false;
                            }
                        }, this);
                    } else
                        me.editing = false;
                }
            }

        });

        this.TTGrid = Ext.create('Ext.grid.Panel', {
            store: store,
            features: [filters],
            columnLines: true,
            me:this,
            selModel: {pruneRemoved: false},

            countDecimals: function (value) {
                if (Math.floor(value) === value)
                    return 0;
                return value.toString().split(".")[1].length || 0;
            },
            
            dateToString: function (value) {
                ndegits = this.countDecimals(value);
                if (ndegits <= 3) {
                    return  Ext.util.Format.number(value, '0.000');
                } else if (value < 0.1) {
                    return value.toExponential(3);
                } else {
                    return Ext.util.Format.number(value, '0.000000');
                }
            },
            columns: [
                {
                    xtype: 'rownumberer',
                    width: 50,
                    renderer: function (value, metaData, record, row, col, store, gridView) {
                        var msg = record.index + 1;
                        if (record.get('isNew') || record.get('isModified'))
                        {
                            msg += ' *';
                            metaData.style = 'font-weight: bold'
                        }
                        return msg;
                    }
                },
                {
                    header: 'Start Time', dataIndex: 'start', width: 145,
                    editor: {xtype: 'datefield', allowBlank: false, hideTrigger: true, format: 'Y-m-d\\TH:i:s.u'},
                    renderer: function (value) {
                        if (value != null) {
                            if (Ext.isDate(value)) {
                                return Ext.Date.format(value, 'Y-m-d\\TH:i:s.u');
                            } else {
                                return Ext.Date.format(new Date(value), 'Y-m-d\\TH:i:s.u');
                            }
                        } else {
                            return value;
                        }
                    }
                },
                {
                    header: 'Stop Time', dataIndex: 'stop', width: 145,
                    editor: {xtype: 'datefield', allowBlank: false, hideTrigger: true, format: 'Y-m-d\\TH:i:s.u'},
                    renderer: function (value) {
                        if (value != null) {
                            if (Ext.isDate(value)) {
                                return Ext.Date.format(value, 'Y-m-d\\TH:i:s.u');
                            } else {
                                return Ext.Date.format(new Date(value), 'Y-m-d\\TH:i:s.u');
                            }
                        } else {
                            return value;
                        }
                    }
                },
                {
                    header: 'Duration (day)', width: 120, dataIndex: 'durationDay',
                    id: amdaUI.TimeTableUI.COL_TO_HIDE + '1',
                    hidden: Ext.state.Manager.getProvider().get('tt_duration') != 1 ? true : false,
                    renderer: function (value) {
                        return this.dateToString(value);
                    },
                    listeners: {
                        beforeshow: function () {
                            Ext.Array.each(this.ownerCt.getGridColumns(), function (item, index, all) {
                                // if item is a column to hide automatically
                                if (Ext.util.Format.substr(item.id, 0, amdaUI.TimeTableUI.COL_TO_HIDE.length) == amdaUI.TimeTableUI.COL_TO_HIDE) {
                                    // if item isn't the column which is being declared and is not hidden
                                    if (item.id != amdaUI.TimeTableUI.COL_TO_HIDE + '1' && !item.isHidden()) {
                                        // hide this column
                                        item.hide();
                                    }
                                }
                            });
                        }
                    }
                },
                {
                    header: 'Duration (hour)', width: 120, dataIndex: 'durationHour',
                    id: amdaUI.TimeTableUI.COL_TO_HIDE + '2',
                    hidden: Ext.state.Manager.getProvider().get('tt_duration') != 2 ? true : false,
                    renderer: function (value) {
                        return this.dateToString(value);
                    },
                    listeners: {
                        beforeshow: function () {
                            Ext.Array.each(this.ownerCt.getGridColumns(), function (item, index, all) {
                                // if item is a column to hide automatically
                                if (Ext.util.Format.substr(item.id, 0, amdaUI.TimeTableUI.COL_TO_HIDE.length) == amdaUI.TimeTableUI.COL_TO_HIDE) {
                                    // if item isn't the column which is being declared and is not hidden
                                    if (item.id != amdaUI.TimeTableUI.COL_TO_HIDE + '2' && !item.isHidden()) {
                                        // hide this column
                                        item.hide();
                                    }
                                }
                            });
                        }
                    }
                },
                {
                    header: 'Duration (min)', width: 120, dataIndex: 'durationMin',
                    hidden:Ext.state.Manager.getProvider().get('tt_duration') != 3 ? true : false,
                    id: amdaUI.TimeTableUI.COL_TO_HIDE + '3',
                    renderer: function (value) {
                        return this.dateToString(value);
                    },
                    listeners: {
                        beforeshow: function () {
                            Ext.Array.each(this.ownerCt.getGridColumns(), function (item, index, all) {
                                // if item is a column to hide automatically
                                if (Ext.util.Format.substr(item.id, 0, amdaUI.TimeTableUI.COL_TO_HIDE.length) == amdaUI.TimeTableUI.COL_TO_HIDE) {
                                    // if item isn't the column which is being declared and is not hidden
                                    if (item.id != amdaUI.TimeTableUI.COL_TO_HIDE + '3' && !item.isHidden()) {
                                        // hide this column
                                        item.hide();
                                    }
                                }
                            });
                        }
                    }
                },
                {
                    header: 'Duration (sec)', width: 120, dataIndex: 'durationSec',
                    id: amdaUI.TimeTableUI.COL_TO_HIDE + '4',
                    hidden:Ext.state.Manager.getProvider().get('tt_duration') != 4 ? true : false,
                    renderer: function (value) {
                        return Ext.util.Format.number(value, '0.000');
                    },
                    listeners: {
                        beforeshow: function () {
                            Ext.Array.each(this.ownerCt.getGridColumns(), function (item, index, all) {
                                // if item is a column to hide automatically
                                if (Ext.util.Format.substr(item.id, 0, amdaUI.TimeTableUI.COL_TO_HIDE.length) == amdaUI.TimeTableUI.COL_TO_HIDE) {
                                    // if item isn't the column which is being declared and is not hidden
                                    if (item.id != amdaUI.TimeTableUI.COL_TO_HIDE + '4' && !item.isHidden()) {
                                        // hide this column
                                        item.hide();
                                    }
                                }
                            });
                        }
                    }
                }
            ],
            frame: true,
            dockedItems: [{
                    xtype: 'toolbar',
                    items: [{
                            iconCls: 'icon-add',
                            scope: this,
                            handler: function () {
                                cellEditing.cancelEdit();

                                var selection = this.TTGrid.getView().getSelectionModel().getSelection()[0];
                                var row = 0;
                                if (selection)
                                    row = store.indexOf(selection) + 1;
                                this.TTGrid.getSelectionModel().deselectAll();

                                var me = this;
                                AmdaAction.addCacheInterval({'index': row}, function (result, e) {
                                    this.status = result.status;
                                    if (!this.TTGrid.getStore().loading) {
                                        this.TTGrid.getStore().reload({
                                            callback: function (records, options, success) {
                                                me.TTGrid.getView().bufferedRenderer.scrollTo(row, false, function () {
                                                    me.TTGrid.getView().select(row);
                                                    cellEditing.startEditByPosition({row: row, column: 1});
                                                }, me);
                                            }
                                        });
                                    }
                                }, this);
                            }
                        }, {
                            iconCls: 'icon-delete',
                            disabled: true,
                            itemId: 'delete',
                            scope: this,
                            handler: function () {
                                var selection = this.TTGrid.getView().getSelectionModel().getSelection()[0];
                                if (selection) {
                                    var rowId = selection.get('cacheId');
                                    this.TTGrid.getSelectionModel().deselectAll();
                                    AmdaAction.removeTTCacheIntervalFromId(rowId, false, function (result, e) {
                                        this.status = result.status;
                                        if (!this.TTGrid.getStore().loading) {
                                            this.TTGrid.getStore().reload();
                                        }
                                    }, this);
                                }
                            }
                        },
                        '->',
                        {
                            text: 'Clear Filters',
                            scope: this,
                            handler: function () {
                                this.TTGrid.getStore().clearFilter(true);
                                this.TTGrid.filters.clearFilters();
                            }
                        }
                    ]
                }],
            plugins: [cellEditing, {ptype: 'bufferedrenderer'}],
            listeners: {
                scope: this,
                edit: function (editor, e) {
                    if (e.record.get('stop') != null && e.record.get('start') != null) {
                        e.record.set('durationHour', (e.record.get('stop') - e.record.get('start')) / 3600000.0);
                        e.record.set('durationMin', (e.record.get('stop') - e.record.get('start')) / 60000.0);
                        e.record.set('durationSec', (e.record.get('stop') - e.record.get('start')) / 1000.0);
                        e.record.set('durationDay', (e.record.get('stop') - e.record.get('start')) / 3600000.0 / 24.0);
                        //  send refresh event to statistical plugin
                        this.fireEvent("refresh");
                    }
                },
                columnschanged:function(ct,eOpts){ // Takes into count the duration changes
                    Ext.Array.each(ct.getGridColumns(), function (item, index, all) {
                        if (Ext.util.Format.substr(item.id, 0, amdaUI.TimeTableUI.COL_TO_HIDE.length) == amdaUI.TimeTableUI.COL_TO_HIDE && !item.isHidden()) {
                            var durationNumber = parseInt(Ext.util.Format.substr(item.id, amdaUI.TimeTableUI.COL_TO_HIDE.length, amdaUI.TimeTableUI.COL_TO_HIDE.length+1));
                            Ext.state.Manager.getProvider().set('tt_duration', durationNumber);
                        }
                    });
                }
            }
        });

        this.TTGrid.getSelectionModel().on('selectionchange', function (selModel, selections) {
            this.TTGrid.down('#delete').setDisabled(selections.length === 0);
        }, this);

        var myConf = {
            layout: 'border',
            defaults: {layout: 'fit', border: false},
            items: [
                {
                    xtype: 'form',
                    region: 'center',
                    buttonAlign: 'left',
                    bodyStyle: {background: '#dfe8f6'},
                    padding: '5 5 5 5',
                    layout: {type: 'hbox', pack: 'start', align: 'stretch'},
                    items: [
                        {
                            xtype: 'container',
                            flex: 3.6,
                            layout: {type: 'vbox', pack: 'start', align: 'stretch'},
                            items: [
                                this.formPanel,
                                {
                                    xtype: 'operationsTT',
                                    parent: this,
                                    flex: 2.5,
                                    id: 'operation'
                                }
                            ]
                        },
                        {
                            xtype: 'container',
                            border: false,
                            padding: '0 0 5 15',
                            flex: 4,
                            layout: 'fit',
                            items: [this.TTGrid]
                        }
                    ],
                    fbar: [
                        {
                            xtype: 'button',
                            text: 'Save',
                            width: 65,
                            scope: this,
                            handler: function () {
                                this.saveTT();
                            }
                        }, {
                            xtype: 'button',
                            text: 'Reset',
                            width: 65,
                            scope: this,
                            handler: function () {
                                var ttModule = myDesktopApp.getLoadedModule(myDesktopApp.dynamicModules.tt.id);
                                ttModule.createLinkedNode();
                                ttModule.createObject();
                                this.setObject(ttModule.getLinkedNode().get('object'));
                            }
                        }, {
                            xtype: 'button',
                            text: 'Generate Catalog',
                            width: 120,
                            scope: this,
                            handler: function () {
                                this.generateCAT(this.object.get('id'));
                            }
                        }
                    ]
                },
                {
                    xtype: 'panel', region: 'south',
                    title: 'Information',
                    collapsible: true,
                    collapseMode: 'header',
                    height: 100,
                    autoHide: false,
                    iconCls: 'icon-information',
                    bodyStyle: 'padding:5px',
                    loader: {
                        autoLoad: true,
                        url: helpDir + 'timetableHOWTO'
                    }
                }
            ],
            plugins: [{ptype: 'statisticalPlugin'}]
        };

        Ext.apply(this, Ext.apply(arguments, myConf));
    },

    checkIntervalsStatusForSave: function (onStatusOk) {
        if (this.status == null)
            return;

        if (this.status.nbValid <= 0)
        {
            myDesktopApp.errorMsg('Your time table is invalid, <br>you must have at least one valid interval');
            return;
        }

        var msg = '';
        if (this.status.nbInvalid > 0)
            msg += 'There are some invalid intervals. Only valid intervals will be saved!<br/>';
        if (this.status.nbFiltered > 0)
            msg += 'There are some filtered intervals. Filtered intervals will not be saved!<br/>';
        if (msg != '')
        {
            msg += 'Do you want to continue?';
            Ext.Msg.show({
                title: 'Warning!',
                msg: msg,
                buttons: Ext.Msg.OKCANCEL,
                fn: function (btnId) {
                    if (btnId === 'cancel') {
                        // cancel the save action
                    } else {
                        onStatusOk();
                    }
                },
                scope: this,
                icon: Ext.Msg.WARNING
            });
            return;
        }

        onStatusOk();
    },

    /**
     * Check if changes were made before closing window
     * @return true if changes
     */
    fclose: function () {
        if (this.status == null)
            return false;

        var isDirty = this.formPanel.getForm().isDirty() || (this.status.isModified) || (this.status.nbModified > 0) || (this.status.nbNew > 0);
        return isDirty;
    }
});