new dialog

gistfile1.txt

   var ExcelErrorDialog = Ext.extend(Ext.Window, {
      constructor: function(config) {
        this.importerrorForm = new Ext.FormPanel({
          frame: true,
          bodyStyle: 'padding: 10px 10px 0 10px;',
          labelWidth: 50,
          defaults: { anchor: '95%', allowBlank: false, msgTarget: 'side'},
          items: [{
              xtype: 'displayfield',
              itemID: 'numerrors',
              value: '# Errors in Imported File: ' + config.num_error
          },{
              xtype: 'textarea',
              itemID: 'errors',
              height: 250,
              value: config.err_string
          }]
        });
        Ext.apply(this, {
          title: 'Excel Import Errors',
          layout:'fit',
          width:450,
          height:400,
          plain: true,
          modal: true,
          items: [this.importerrorForm],
          fbar: [
            {text: 'Cancel', tabIndex: 5, handler: this.onCancel, scope: this },
            {text: 'Download Errors', tabIndex: 4, handler: this.onDownload(config.filename), scope: this }
          ]
        });
        ExcelErrorDialog.superclass.constructor.apply(this, arguments);
      },
      onCancel: function() {
          this.close();
      },
      onDownload: function(filename) {
          this.hide();
          Imata.log("file:"+filename);
//        window.open("file:"+filename, target="");
      }
    });