www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/source/widgets/grid/PropertyGrid.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
/**
* @class Ext.grid.PropertyRecord
* A specific {@link Ext.data.Record} type that represents a name/value pair and is made to work with the
* {@link Ext.grid.PropertyGrid}. Typically, PropertyRecords do not need to be created directly as they can be
* created implicitly by simply using the appropriate data configs either via the {@link Ext.grid.PropertyGrid#source}
* config property or by calling {@link Ext.grid.PropertyGrid#setSource}. However, if the need arises, these records
* can also be created explicitly as shwon below. Example usage:
* <pre><code>
var rec = new Ext.grid.PropertyRecord({
name: 'Birthday',
value: new Date(Date.parse('05/26/1972'))
});
// Add record to an already populated grid
grid.store.addSorted(rec);
</code></pre>
* @constructor
* @param {Object} config A data object in the format: {name: [name], value: [value]}. The specified value's type
* will be read automatically by the grid to determine the type of editor to use when displaying it.
*/
Ext.grid.PropertyRecord = Ext.data.Record.create([
{name:'name',type:'string'}, 'value'
]);
/**
* @class Ext.grid.PropertyStore
* @extends Ext.util.Observable
* A custom wrapper for the {@link Ext.grid.PropertyGrid}'s {@link Ext.data.Store}. This class handles the mapping
* between the custom data source objects supported by the grid and the {@link Ext.grid.PropertyRecord} format
* required for compatibility with the underlying store. Generally this class should not need to be used directly --
* the grid's data should be accessed from the underlying store via the {@link #store} property.
* @constructor
* @param {Ext.grid.Grid} grid The grid this store will be bound to
* @param {Object} source The source data config object
*/
Ext.grid.PropertyStore = function(grid, source){
this.grid = grid;
this.store = new Ext.data.Store({
recordType : Ext.grid.PropertyRecord
});
this.store.on('update', this.onUpdate, this);
if(source){
this.setSource(source);
}
Ext.grid.PropertyStore.superclass.constructor.call(this);
};
Ext.extend(Ext.grid.PropertyStore, Ext.util.Observable, {
// protected - should only be called by the grid. Use grid.setSource instead.
setSource : function(o){
this.source = o;
this.store.removeAll();
var data = [];
for(var k in o){
if(this.isEditableValue(o[k])){
data.push(new Ext.grid.PropertyRecord({name: k, value: o[k]}, k));
}
}
this.store.loadRecords({records: data}, {}, true);
},
// private
onUpdate : function(ds, record, type){
if(type == Ext.data.Record.EDIT){
var v = record.data['value'];
var oldValue = record.modified['value'];
if(this.grid.fireEvent('beforepropertychange', this.source, record.id, v, oldValue) !== false){
this.source[record.id] = v;
record.commit();
this.grid.fireEvent('propertychange', this.source, record.id, v, oldValue);
}else{
record.reject();
}
}
},
// private
getProperty : function(row){
return this.store.getAt(row);
},
// private
isEditableValue: function(val){
if(Ext.isDate(val)){
return true;
}else if(typeof val == 'object' || typeof val == 'function'){
return false;
}
return true;
},
// private
setValue : function(prop, value){
this.source[prop] = value;
this.store.getById(prop).set('value', value);
},
// protected - should only be called by the grid. Use grid.getSource instead.
getSource : function(){
return this.source;
}
});
/**
* @class Ext.grid.PropertyColumnModel
* @extends Ext.grid.ColumnModel
* A custom column model for the {@link Ext.grid.PropertyGrid}. Generally it should not need to be used directly.
* @constructor
* @param {Ext.grid.Grid} grid The grid this store will be bound to
* @param {Object} source The source data config object
*/
Ext.grid.PropertyColumnModel = function(grid, store){
this.grid = grid;
var g = Ext.grid;
g.PropertyColumnModel.superclass.constructor.call(this, [
{header: this.nameText, width:50, sortable: true, dataIndex:'name', id: 'name', menuDisabled:true},
{header: this.valueText, width:50, resizable:false, dataIndex: 'value', id: 'value', menuDisabled:true}
]);
this.store = store;
this.bselect = Ext.DomHelper.append(document.body, {
tag: 'select', cls: 'x-grid-editor x-hide-display', children: [
{tag: 'option', value: 'true', html: 'true'},
{tag: 'option', value: 'false', html: 'false'}
]
});
var f = Ext.form;
var bfield = new f.Field({
el:this.bselect,
bselect : this.bselect,
autoShow: true,
getValue : function(){
return this.bselect.value == 'true';
}
});
this.editors = {
'date' : new g.GridEditor(new f.DateField({selectOnFocus:true})),
'string' : new g.GridEditor(new f.TextField({selectOnFocus:true})),
'number' : new g.GridEditor(new f.NumberField({selectOnFocus:true, style:'text-align:left;'})),
'boolean' : new g.GridEditor(bfield)
};
this.renderCellDelegate = this.renderCell.createDelegate(this);
this.renderPropDelegate = this.renderProp.createDelegate(this);
};
Ext.extend(Ext.grid.PropertyColumnModel, Ext.grid.ColumnModel, {
// private - strings used for locale support
nameText : 'Name',
valueText : 'Value',
dateFormat : 'm/j/Y',
// private
renderDate : function(dateVal){
return dateVal.dateFormat(this.dateFormat);
},
// private
renderBool : function(bVal){
return bVal ? 'true' : 'false';
},
// private
isCellEditable : function(colIndex, rowIndex){
return colIndex == 1;
},
// private
getRenderer : function(col){
return col == 1 ?
this.renderCellDelegate : this.renderPropDelegate;
},
// private
renderProp : function(v){
return this.getPropertyName(v);
},
// private
renderCell : function(val){
var rv = val;
if(Ext.isDate(val)){
rv = this.renderDate(val);
}else if(typeof val == 'boolean'){
rv = this.renderBool(val);
}
return Ext.util.Format.htmlEncode(rv);
},
// private
getPropertyName : function(name){
var pn = this.grid.propertyNames;
return pn && pn[name] ? pn[name] : name;
},
// private
getCellEditor : function(colIndex, rowIndex){
var p = this.store.getProperty(rowIndex);
var n = p.data['name'], val = p.data['value'];
if(this.grid.customEditors[n]){
return this.grid.customEditors[n];
}
if(Ext.isDate(val)){
return this.editors['date'];
}else if(typeof val == 'number'){
return this.editors['number'];
}else if(typeof val == 'boolean'){
return this.editors['boolean'];
}else{
return this.editors['string'];
}
}
});
/**
* @class Ext.grid.PropertyGrid
* @extends Ext.grid.EditorGridPanel
* A specialized grid implementation intended to mimic the traditional property grid as typically seen in
* development IDEs. Each row in the grid represents a property of some object, and the data is stored
* as a set of name/value pairs in {@link Ext.grid.PropertyRecord}s. Example usage:
* <pre><code>
var grid = new Ext.grid.PropertyGrid({
title: 'Properties Grid',
autoHeight: true,
width: 300,
renderTo: 'grid-ct',
source: {
"(name)": "My Object",
"Created": new Date(Date.parse('10/15/2006')),
"Available": false,
"Version": .01,
"Description": "A test object"
}
});
</pre></code>
* @constructor
* @param {Object} config The grid config object
*/
Ext.grid.PropertyGrid = Ext.extend(Ext.grid.EditorGridPanel, {
/**
* @cfg {Object} source A data object to use as the data source of the grid (see {@link #setSource} for details).
*/
/**
* @cfg {Object} customEditors An object containing name/value pairs of custom editor type definitions that allow
* the grid to support additional types of editable fields. By default, the grid supports strongly-typed editing
* of strings, dates, numbers and booleans using built-in form editors, but any custom type can be supported and
* associated with a custom input control by specifying a custom editor. The name of the editor
* type should correspond with the name of the property that will use the editor. Example usage:
* <pre><code>
var grid = new Ext.grid.PropertyGrid({
...
customEditors: {
'Start Time': new Ext.grid.GridEditor(new Ext.form.TimeField({selectOnFocus:true}))
},
source: {
'Start Time': '10:00 AM'
}
});
</code></pre>
*/
// private config overrides
enableColumnMove:false,
stripeRows:false,
trackMouseOver: false,
clicksToEdit:1,
enableHdMenu : false,
viewConfig : {
forceFit:true
},
// private
initComponent : function(){
this.customEditors = this.customEditors || {};
this.lastEditRow = null;
var store = new Ext.grid.PropertyStore(this);
this.propStore = store;
var cm = new Ext.grid.PropertyColumnModel(this, store);
store.store.sort('name', 'ASC');
this.addEvents(
/**
* @event beforepropertychange
* Fires before a property value changes. Handlers can return false to cancel the property change
* (this will internally call {@link Ext.data.Record#reject} on the property's record).
* @param {Object} source The source data object for the grid (corresponds to the same object passed in
* as the {@link #source} config property).
* @param {String} recordId The record's id in the data store
* @param {Mixed} value The current edited property value
* @param {Mixed} oldValue The original property value prior to editing
*/
'beforepropertychange',
/**
* @event propertychange
* Fires after a property value has changed.
* @param {Object} source The source data object for the grid (corresponds to the same object passed in
* as the {@link #source} config property).
* @param {String} recordId The record's id in the data store
* @param {Mixed} value The current edited property value
* @param {Mixed} oldValue The original property value prior to editing
*/
'propertychange'
);
this.cm = cm;
this.ds = store.store;
Ext.grid.PropertyGrid.superclass.initComponent.call(this);
this.selModel.on('beforecellselect', function(sm, rowIndex, colIndex){
if(colIndex === 0){
this.startEditing.defer(200, this, [rowIndex, 1]);
return false;
}
}, this);
},
// private
onRender : function(){
Ext.grid.PropertyGrid.superclass.onRender.apply(this, arguments);
this.getGridEl().addClass('x-props-grid');
},
// private
afterRender: function(){
Ext.grid.PropertyGrid.superclass.afterRender.apply(this, arguments);
if(this.source){
this.setSource(this.source);
}
},
/**
* Sets the source data object containing the property data. The data object can contain one or more name/value
* pairs representing all of the properties of an object to display in the grid, and this data will automatically
* be loaded into the grid's {@link #store}. The values should be supplied in the proper data type if needed,
* otherwise string type will be assumed. If the grid already contains data, this method will replace any
* existing data. See also the {@link #source} config value. Example usage:
* <pre><code>
grid.setSource({
"(name)": "My Object",
"Created": new Date(Date.parse('10/15/2006')), // date type
"Available": false, // boolean type
"Version": .01, // decimal type
"Description": "A test object"
});
</code></pre>
* @param {Object} source The data object
*/
setSource : function(source){
this.propStore.setSource(source);
},
/**
* Gets the source data object containing the property data. See {@link #setSource} for details regarding the
* format of the data object.
* @return {Object} The data object
*/
getSource : function(){
return this.propStore.getSource();
}
});