Uncaught TypeError: Cannot read property 'dom' of undefinedextjsでこのエラーを解決するには?
私はdndを使用しており、レイアウトブラウザにdndコードを入れています
コード:
// Generic fields array to use in both store defs.
var fields = [{
name: 'id',
type: 'string',
mapping: 'id'
}, {
name: 'lab_name',
type: 'string',
mapping: 'lab_name'
}, {
name: 'lab_address1',
type: 'string',
mapping: 'lab_address1'
}, {
name: 'lab_address2',
type: 'string',
mapping: 'lab_address2'
}, {
name: 'lab_poskod',
type: 'string',
mapping: 'lab_poskod'
}, {
name: 'lab_bandar',
type: 'string',
mapping: 'lab_bandar'
}, {
name: 'lab_negeri',
type: 'string',
mapping: 'lab_negeri'
}, {
name: 'lab_tel',
type: 'string',
mapping: 'lab_tel'
}, {
name: 'lab_fax',
type: 'string',
mapping: 'lab_fax'
}];
// create the data store
var gridStore = new Ext.data.JsonStore({
fields: fields,
autoLoad: true,
url: '../industri/layouts/getLab.php'
});
// Column Model shortcut array
var cols = [{
id: 'name',
header: "Id",
width: 10,
sortable: true,
dataIndex: 'id'
}, {
id: 'name',
header: "Laboratory Name",
width: 200,
sortable: true,
dataIndex: 'lab_name'
}, {
id: 'name',
header: "Laboratory Name",
width: 200,
sortable: true,
dataIndex: 'lab_address1'
}];
// declare the source Grid
var grid = new Ext.grid.GridPanel({
ddGroup: 'gridDDGroup',
store: gridStore,
columns: cols,
enableDragDrop: true,
stripeRows: true,
autoExpandColumn: 'name',
width: 325,
margins: '0 2 0 0',
region: 'west',
title: 'Data Grid',
selModel: new Ext.grid.RowSelectionModel({
singleSelect: true
})
});
// Declare the text fields. This could have been done inline, is easier to read
// for folks learning :)
var textField1 = new Ext.form.TextField({
fieldLabel: 'Laboratory Name',
name: 'lab_name'
});
// Setup the form panel
var formPanel = new Ext.form.FormPanel({
region: 'center',
title: 'Generic Form Panel',
bodyStyle: 'padding: 10px; background-color: #DFE8F6',
labelWidth: 100,
margins: '0 0 0 3',
width: 325,
items: [textField1]
});
var displayPanel = new Ext.Panel({
width: 650,
height: 300,
layout: 'border',
padding: 5,
items: [
grid,
formPanel
],
bbar: [
'->', // Fill
{
text: 'Reset Example',
handler: function() {
//refresh source grid
gridStore.loadData();
formPanel.getForm().reset();
}
}
]
});
// used to add records to the destination stores
var blankRecord = Ext.data.Record.create(fields);
/****
* Setup Drop Targets
***/
// This will make sure we only drop to the view container
var formPanelDropTargetEl = formPanel.body.dom;
var formPanelDropTarget = new Ext.dd.DropTarget(formPanelDropTargetEl, {
ddGroup: 'gridDDGroup',
notifyEnter: function(ddSource, e, data) {
//Add some flare to invite drop.
formPanel.body.stopFx();
formPanel.body.highlight();
},
notifyDrop: function(ddSource, e, data) {
// Reference the record (single selection) for readability
var selectedRecord = ddSource.dragData.selections[0];
// Load the record into the form
formPanel.getForm().loadRecord(selectedRecord);
// Delete record from the grid. not really required.
ddSource.grid.store.remove(selectedRecord);
return (true);
}
});
var tabsNestedLayouts = {
id: 'tabs-nested-layouts-panel',
title: 'Industrial Effluent',
bodyStyle: 'padding:15px;',
layout: 'fit',
items: {
border: false,
bodyStyle: 'padding:5px;',
items: displayPanel
}
};