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在面板ReferenceError我想從initComponent調用一個函數。但是，我無法獲取此對象的作用域，因此會遇到ReferenceErrors。 我調用的函數是getFileType，它缺少範圍，我無法獲取它。 （行號：204）。 有沒有辦法改變處理程序內的作用域。由於範圍
此外，通過添加範圍：此按鈕內，我失去範圍挑表單數據...
這裏任何幫助將是真棒！
Ext.define('D.application.component.de.AddConnectionPanel', {
extend: 'Ext.form.FieldSet',
initComponent : function()
{
var databaseConnDetails = Ext.create('Ext.form.Panel',{
bodyPadding: 15,
// width:'auto',
region:'center',
layout:{
align: 'center',
},
defaults: {
anchor: '100%',
},
title: 'Database Details',
items: [{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
xtype: 'dsqcombobox',
name: 'DB_TYPE',
emptyText: 'DB Type',
flex: 1,
fieldID: 'Field-1',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_1',
},
{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_URL',
emptyText: 'DB Url',
flex: 1,
fieldID: 'Field-2',
},
{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_PORT',
emptyText: 'DB Port',
flex: 1,
fieldID: 'Field-3',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_2',
},
{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_SCHEMA',
emptyText: 'Schema Name',
flex: 1,
fieldID: 'Field-4',
},
{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_LABEL',
emptyText: 'Schema Label',
flex: 1,
fieldID: 'Field-6',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_4',
},
{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
xtype: 'dsqtextarea',
name: 'DB_DESCRIPTION',
emptyText: 'Connection Description',
flex: 1,
fieldID: 'Field-6',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_6',
},
{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_USERNAME',
emptyText: 'DB Username',
flex: 1,
fieldID: 'Field-5',
},
{
readOnly: false,
hidden: false,
xtype: 'dsqtextfield',
name: 'DB_PASSWORD',
inputType: 'password',
emptyText: 'DB Password',
flex: 1,
fieldID: 'Field-6',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_7',
},
{
defaults: {
},
items: [{
readOnly: true,
hidden: true,
xtype: 'dsqtextfield',
name: 'ID',
emptyText: 'Connection ID',
flex: 1,
fieldID: 'Field-6',
}],
layout: 'hbox',
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_8',
},
{
defaults: {
},
items: [{
readOnly: false,
hidden: false,
width:70,
xtype: 'dsqbutton',
name: 'save',
fieldLabel: 'Save',
fieldID:'Field-8',
}],
layout: {
type: 'hbox',
align: 'middle',
pack: 'center'
},
xtype: 'dsqfieldcontainer',
layoutID: 'Contain_9',
}],
xtype: 'dsqfieldset',
layoutID: 'Connection Details'
});
var fileConnDetails = Ext.create('Ext.form.Panel', {
bodyPadding:15,
defaults: {
anchor:'100%',
},
width:500,
title: 'File Details',
bodyPadding: 10,
frame: true,
renderTo: Ext.getBody(),
items: [{
xtype: 'filefield',
name: 'InputFile',
id:'filefield',
emptyText: 'File',
msgTarget: 'side',
allowBlank: false,
anchor: '100%',
buttonText: 'Browse...'
}],
buttons: [{
text: 'Upload',
layout:{
pack:'center',
align:'middle',
},
handler: function() {
var form = this.up('form').getForm(); // Get form details
if(form.isValid()){
var fileName = form.findField('filefield').getSubmitValue();
// Check to see if file type is supported
var retVal = getFileType(fileName);
if (retVal != DSQ_SUCCESS){
Ext.Msg.alert('Unsupported File Type');
return;
}
// Parse file and read data
retVal = parseInputFile(fileName, fileArray);
if (retVal != DSQ_SUCCESS) {
Ext.Msg.alert('Error! unable to read file');
return;
}
form.submit({
success: function(fp, action) {
Ext.Msg.alert('Success', 'Your file "' + action.result.file + '" has been uploaded.');
},
failure: function(fp, action) {
Ext.Msg.alert('Failed', 'File "' + action.result.file + '" upload failed');
}
});
}
}
}]
});
var connectionInfo = Ext.create('Ext.container.Container', {
autoEl:'div',
width:700,
bodyPadding: 5, // Don't want content to crunch against the borders
layout:'card',
items:[{
id:'file_card',
items:[fileConnDetails],
},{
id:'db_card',
items:[databaseConnDetails],
}],
});
var DataSourceOptionsContainer = Ext.create('Ext.container.Container',{
region:'center',
layout:{
type:'vbox',
align: 'center',
},
items : [{
xtype:'radiogroup',
vertical:false,
columns:2,
items: [{
boxLabel: 'Flat-File',
name:'datasource',
inputValue:'flatfile',
width:80,
checked:true,
},{
boxLabel: 'Database',
name:'datasource',
inputValue:'database',
width:80
}],
listeners: {
change: function(radiogroup, newVal, oldVal) {
var listenerObj = newVal.datasource;
switch(listenerObj) {
case 'database':
connectionInfo.getLayout().setActiveItem('db_card');
break;
case 'flatfile':
connectionInfo.getLayout().setActiveItem('file_card');
break;
default:
console.log("No such Object in connection group");
break;
}
}
}
}],
});
var config = {
items: [DataSourceOptionsContainer, connectionInfo]
};
Ext.apply(this,config);
this.callParent(arguments);
},
getFileType: function(fileName)
{
var fileTypesAllowed = [".csv", ".xls", ".xlsb"];
alert("File Type verification");
if(!Ext.Array.contains(fileTypesAllowed, fileName)) {
return 1;
}
return 1;
},
parseInputFile: function(fileName, fileArray)
{
return 1;
},
onRender : function()
{
this.callParent(arguments);
}
});
獲取以下錯誤。 TypeError：this.fileConnDetails未定義 var form = this.fileConnDetails.getForm（）; //獲取表單詳細信息 – user3176314
對不起，發生錯誤的更新...明白了!!!正常工作...感謝您的幫助.. – user3176314