/**
  * Project  : AMDA-NG
  * Name     : OperationsTT.js
  * @class 	 amdaUI.OperationsTT
  * @extends Ext.form.FieldSet
  * @brief	 Operations in Time Table Module UI (View)
  * @author  Myriam
  * @version $Id: OperationsTT.js 1855 2013-11-19 13:23:55Z elena $
  ********************************************************************************
  *    FT Id     :   Date   : Name - Description
  *******************************************************************************
  *             08/06/2011: Myriam - Migration extjs4
  */

Ext.define('amdaUI.OperationsTT', {
	extend: 'Ext.form.FieldSet',
	alias: 'widget.operationsTT',

	// Translate Extend or Shift in seconds
	TranslateSec: function(valueForm, valueUnit) {

		if (valueForm == "") var value = 0;
		else switch (valueUnit) {
			case "sec":
				var value = valueForm;
				break;
			case "min":
				var value = valueForm * 60;
				break;
			case "hour":
				var value = valueForm * 3600;
				break;
			case "day":
				var value = valueForm * 86400;
				break;
			default:
				break;
		}
		return value;
	},
		
	// Extend and shift intervals
	ExtendTT: function(dir){

		var extendForm = this.formExtend.getForm().findField('extend').getValue();		
		var extendUnit = this.formExtend.getForm().findField('extendUnit').getValue();

		var shiftForm = this.formExtend.getForm().findField('shift').getValue();		
		var shiftUnit  = this.formExtend.getForm().findField('shiftUnit').getValue();

		if ((extendForm == null) && (shiftForm == null))return;
		
		// Translate Extend and Shift in milliseconds
		var extend = dir * this.TranslateSec(extendForm, extendUnit);
		var shift = dir * this.TranslateSec(shiftForm, shiftUnit);
				
		this.cntApply += dir;
	    if (this.cntApply < 0) {
	       this.cntApply = 0;
	       alert("Nothing to Undo");
	       return;
	    }
	    
	    var me = this;
	    me.parent.TTGrid.getSelectionModel().deselectAll();
	    AmdaAction.operationTTCacheIntervals(extend,shift, function () {
	    	me.parent.TTGrid.getStore().reload();
	    	
			// Update historic field
			var history = me.parent.formPanel.getForm().findField('history').getValue();
			if (extend != 0) {
				history += " \n Extended by "+ dir*extendForm + " " + extendUnit;
			}
			if (shift != 0) {
				history += " \n Shifted by "+ dir*shiftForm + " " + shiftUnit;
			}
			me.parent.formPanel.getForm().findField('history').setValue(history);
	    	
	    });
	
	},
	
	// Merge intervals
	MergeTT: function(){
		var me = this;
		AmdaAction.mergeTTCacheIntervals(function () {
	    	me.parent.TTGrid.getStore().reload({
        		callback : function(records, options, success) {
        			me.parent.updateCount();	
        		},
        		scope : me
	    	});	
	    });   
	},
		
    initComponent : function (){
		this.cntApply = 0;
		this.formExtend = new Ext.form.Panel({
			xtype: 'form', frame: true, buttonAlign: 'center', height: 75,
			trackResetOnLoad : true, // reset to the last loaded record
        	fieldDefaults: {
                labelWidth: 40, labelSeparator: ''
            },
			items: [ 	        	        
    	        {
    	        	  xtype: 'fieldcontainer',
    	        	  layout: 'hbox',
    	        	  fieldLabel:'Extend',
    	        	  items: [
    	        	          {xtype:'numberfield', name: 'extend', hideTrigger: true, width: 60},
    	        	          {xtype: 'splitter', width: 5},
    	        	          {
    	        	        	  xtype:'combo', name: 'extendUnit', store:['sec', 'min', 'hour', 'day'], 
    	        	        	  editable: false, width: 60, value: 'min',	triggerAction: 'all'
    	        	          },
    	        	          {xtype: 'splitter', width: 20},
    	        	          {xtype:'displayfield', value: 'Shift', width: 30},
    	        	          {xtype:'numberfield', name: 'shift', hideTrigger: true, width: 60},
    	        	          {xtype: 'splitter', width: 5},
    	        	          {
    	        	        	  xtype:'combo', name: 'shiftUnit', store:['sec', 'min', 'hour', 'day'], 
    	        	        	  editable: false, width: 60, value: 'min',	triggerAction: 'all'
    	        	          }
    	        	  ]
    	        }
    	     ],       	        
    	     fbar: [{ 	    	 
		              text: 'Apply',
		              scope: this,
		              handler: function () {
    	    	 			this.ExtendTT(1);
    	    	 			this.parent.fireEvent('refresh');
		              }
		               },{
		              text: 'Undo',
		              scope: this,
	                  handler: function () {
		            	   this.ExtendTT(-1);
		            	   this.parent.fireEvent('refresh');
	                  }
		         }]    	     
		});
		

        var config = {
           title:'Operations on Intervals',
           style: { borderWidth: '2px' },           
           items: [
               {xtype: 'splitter', width: 5},   
               this.formExtend,
               {
		        	xtype: 'form', frame: true,
		        	border: 1,		        	
		        	height: 60,
		        	layout: {
		        		type: 'hbox',
		        		pack: 'center',
		        		align: 'middle'	
		        	},
		        	items: [
	    				{	
	    					xtype: 'button',
	    					text: 'Merge intervals',
	    					minWidth: 105,
	    					scope : this,
	    					handler: function () {
	    						this.MergeTT();
	    						this.parent.fireEvent('refresh');                          
	    					}
	    				},
	    				{
	    					xtype: 'container',
	    					width: 5
	    				},
	    				{ 
				        	xtype: 'button',
	    					text: 'Statistical info',
	    					minWidth: 105,
	    					scope: this,
	    					handler: function() {
	    						this.parent.fireEvent('info');
	    					}
	    				} 
	              	]
		        } 
           ]
        };
        Ext.apply (this , Ext.apply (this.initialConfig, config));
        this.callParent(arguments);
  }
 });