shubhadownloader
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JavaScript
/**
* @docauthor Robert Dougan <rob@sencha.com>
*
* Single radio field. Similar to checkbox, but automatically handles making sure only one radio is checked
* at a time within a group of radios with the same name.
*
* # Labeling
*
* In addition to the {@link Ext.form.Labelable standard field labeling options}, radio buttons
* may be given an optional {@link #boxLabel} which will be displayed immediately to the right of the input. Also
* see {@link Ext.form.RadioGroup} for a convenient method of grouping related radio buttons.
*
* # Values
*
* The main value of a Radio field is a boolean, indicating whether or not the radio is checked.
*
* The following values will check the radio:
*
* - `true`
* - `'true'`
* - `'1'`
* - `'on'`
*
* Any other value will uncheck it.
*
* In addition to the main boolean value, you may also specify a separate {@link #inputValue}. This will be sent
* as the parameter value when the form is {@link Ext.form.Basic#submit submitted}. You will want to set this
* value if you have multiple radio buttons with the same {@link #name}, as is almost always the case.
*
* # Example usage
*
* @example
* Ext.create('Ext.form.Panel', {
* title : 'Order Form',
* width : 300,
* bodyPadding: 10,
* renderTo : Ext.getBody(),
* items: [
* {
* xtype : 'fieldcontainer',
* fieldLabel : 'Size',
* defaultType: 'radiofield',
* defaults: {
* flex: 1
* },
* layout: 'hbox',
* items: [
* {
* boxLabel : 'M',
* name : 'size',
* inputValue: 'm',
* id : 'radio1'
* }, {
* boxLabel : 'L',
* name : 'size',
* inputValue: 'l',
* id : 'radio2'
* }, {
* boxLabel : 'XL',
* name : 'size',
* inputValue: 'xl',
* id : 'radio3'
* }
* ]
* },
* {
* xtype : 'fieldcontainer',
* fieldLabel : 'Color',
* defaultType: 'radiofield',
* defaults: {
* flex: 1
* },
* layout: 'hbox',
* items: [
* {
* boxLabel : 'Blue',
* name : 'color',
* inputValue: 'blue',
* id : 'radio4'
* }, {
* boxLabel : 'Grey',
* name : 'color',
* inputValue: 'grey',
* id : 'radio5'
* }, {
* boxLabel : 'Black',
* name : 'color',
* inputValue: 'black',
* id : 'radio6'
* }
* ]
* }
* ],
* bbar: [
* {
* text: 'Smaller Size',
* handler: function() {
* var radio1 = Ext.getCmp('radio1'),
* radio2 = Ext.getCmp('radio2'),
* radio3 = Ext.getCmp('radio3');
*
* //if L is selected, change to M
* if (radio2.getValue()) {
* radio1.setValue(true);
* return;
* }
*
* //if XL is selected, change to L
* if (radio3.getValue()) {
* radio2.setValue(true);
* return;
* }
*
* //if nothing is set, set size to S
* radio1.setValue(true);
* }
* },
* {
* text: 'Larger Size',
* handler: function() {
* var radio1 = Ext.getCmp('radio1'),
* radio2 = Ext.getCmp('radio2'),
* radio3 = Ext.getCmp('radio3');
*
* //if M is selected, change to L
* if (radio1.getValue()) {
* radio2.setValue(true);
* return;
* }
*
* //if L is selected, change to XL
* if (radio2.getValue()) {
* radio3.setValue(true);
* return;
* }
*
* //if nothing is set, set size to XL
* radio3.setValue(true);
* }
* },
* '-',
* {
* text: 'Select color',
* menu: {
* indent: false,
* items: [
* {
* text: 'Blue',
* handler: function() {
* var radio = Ext.getCmp('radio4');
* radio.setValue(true);
* }
* },
* {
* text: 'Grey',
* handler: function() {
* var radio = Ext.getCmp('radio5');
* radio.setValue(true);
* }
* },
* {
* text: 'Black',
* handler: function() {
* var radio = Ext.getCmp('radio6');
* radio.setValue(true);
* }
* }
* ]
* }
* }
* ]
* });
*/
Ext.define('Ext.form.field.Radio', {
extend:'Ext.form.field.Checkbox',
alias: ['widget.radiofield', 'widget.radio'],
alternateClassName: 'Ext.form.Radio',
requires: ['Ext.form.RadioManager'],
/**
* @property {Boolean} isRadio
* `true` in this class to identify an object as an instantiated Radio, or subclass thereof.
*/
isRadio: true,
/**
* @cfg {String} uncheckedValue
* @private
*/
// private
inputType: 'radio',
ariaRole: 'radio',
formId: null,
/**
* If this radio is part of a group, it will return the selected value
* @return {String}
*/
getGroupValue: function() {
var selected = this.getManager().getChecked(this.name, this.getFormId());
return selected ? selected.inputValue : null;
},
/**
* @private Handle click on the radio button
*/
onBoxClick: function(e) {
var me = this;
if (!me.disabled && !me.readOnly) {
this.setValue(true);
}
},
onRemoved: function(){
this.callParent(arguments);
this.formId = null;
},
/**
* Sets either the checked/unchecked status of this Radio, or, if a string value is passed, checks a sibling Radio
* of the same name whose value is the value specified.
* @param {String/Boolean} value Checked value, or the value of the sibling radio button to check.
* @return {Ext.form.field.Radio} this
*/
setValue: function(v) {
var me = this,
active;
if (Ext.isBoolean(v)) {
me.callParent(arguments);
} else {
active = me.getManager().getWithValue(me.name, v, me.getFormId()).getAt(0);
if (active) {
active.setValue(true);
}
}
return me;
},
/**
* Returns the submit value for the checkbox which can be used when submitting forms.
* @return {Boolean/Object} True if checked, null if not.
*/
getSubmitValue: function() {
return this.checked ? this.inputValue : null;
},
getModelData: function() {
return this.getSubmitData();
},
// inherit docs
onChange: function(newVal, oldVal) {
var me = this,
r, rLen, radio, radios;
me.callParent(arguments);
if (newVal) {
radios = me.getManager().getByName(me.name, me.getFormId()).items;
rLen = radios.length;
for (r = 0; r < rLen; r++) {
radio = radios[r];
if (radio !== me) {
radio.setValue(false);
}
}
}
},
// inherit docs
getManager: function() {
return Ext.form.RadioManager;
}
});