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[WIDGET] Multifield with custom xtype

When started working with CQ, one of the cool feature was the list component which allow to add new paths with the plus “+” sign. Based on my experience, it is one of the mandatory requirement to provide such flexibility, then setting a fixed number of text fields.
To achieve the same, please refer to the steps below:
Within your app project, define a folder called “clientlib”. Create a text files called “js.txt” and specify the name of the js file which holds the custom xtype definition.
Example:
#base=js
CustomPathField.js
Define your js file which extends CQ.form.CompositeField and specify attributes required for the custom type. Here is an example for the same:
/**
* @class MyClientLib.CustomPathFieldWidget
* @extends CQ.form.CompositeField
* This is a custom path field with link text and target
* @param {Object} config the config object
*/
/**
* @class Ejst.CustomWidget
* @extends CQ.form.CompositeField This is a custom widget based on
*          {@link CQ.form.CompositeField}.
* @constructor Creates a new CustomWidget.
* @param {Object}
*            config The config object
*/
MyClientLib.CustomPathFieldWidget = CQ.Ext.extend(CQ.form.CompositeField, {
   /**
    * @private
    * @type CQ.Ext.form.TextField
    */
   hiddenField: null,
   /**
    * @private
    * @type CQ.Ext.form.TextField
    */
   linkText: null,
   /**
    * @private
    * @type CQ.Ext.form.TextField
    */
   linkURL: null,
   /**
    * @private
    * @type CQ.Ext.form.CheckBox
    */
   openInNewWindow: null,
   /**
    * @private
    * @type CQ.Ext.form.FormPanel
    */
   formPanel: null,
   constructor: function(config) {
       config = config || {};
       var defaults = {“
           border”: true,
           “labelWidth”: 75,
           “layout”: “form”
               // ”columns”:6
       };
       config = CQ.Util.applyDefaults(config, defaults);
       MyClientLib.CustomPathFieldWidget.superclass.constructor.call(this, config);
   },
   // overriding CQ.Ext.Component#initComponent
   initComponent: function() {
       MyClientLib.CustomPathFieldWidget.superclass.initComponent.call(this);
       // Hidden field
       this.hiddenField = new CQ.Ext.form.Hidden({
           name: this.name
       });
       this.add(this.hiddenField);
       // Link text
       this.add(new CQ.Ext.form.Label({
           cls: “customwidget - label”,
           text: “Link Text”
       }));
       this.linkText = new CQ.Ext.form.TextField({
           cls: “customwidget - 1″,
           fieldLabel: “Link Text: “,
           maxLength: 80,
           maxLengthText: “A maximum of 80 characters is allowed
           for the Link Text.”,
           allowBlank: true,
           listeners: {
               change: {
                   scope: this,
                   fn: this.updateHidden
               }
           }
       });
       this.add(this.linkText);
       // Link URL
       this.add(new CQ.Ext.form.Label({
           cls: “customwidget - label”,
           text: “Link URL”
       }));
       this.linkURL = new CQ.form.PathField({
           cls: “customwidget - 2″,
           fieldLabel: “Link URL: “,
           allowBlank: false,
           width: 225,
           listeners: {
               change: {
                   scope: this,
                   fn: this.updateHidden
               },
               dialogclose: {
                   scope: this,
                   fn: this.updateHidden
               }
           }
       });
       this.add(this.linkURL);
       // Link openInNewWindow
       this.openInNewWindow = new CQ.Ext.form.Checkbox({
           cls: “customwidget - 3″,
           boxLabel: “New window”,
           listeners: {
               change: {
                   scope: this,
                   fn: this.updateHidden
               },
               check: {
                   scope: this,
                   fn: this.updateHidden
               }
           }
       });
       this.add(this.openInNewWindow);
   },
   processInit: function(path, record) {
       this.linkText.processInit(path, record);
       this.linkURL.processInit(path, record);
       this.openInNewWindow.processInit(path, record);
   },
   setValue: function(value) {
       var link = JSON.parse(value);
       this.linkText.setValue(link.text);
       this.linkURL.setValue(link.url);
       this.openInNewWindow.setValue(link.openInNewWindow);
       this.hiddenField.setValue(value);
   },
   getValue: function() {
       return this.getRawValue();
   },
   getRawValue: function() {
       var link = {“
           url”: this.linkURL.getValue(),
           “text”: this.linkText.getValue(),
           “openInNewWindow”: this.openInNewWindow.getValue()
       };
       return JSON.stringify(link);
   },
   updateHidden: function() {
       this.hiddenField.setValue(this.getValue());
   }
});
CQ.Ext.reg(‘mypathfield’, MyClientLib.CustomPathFieldWidget);
So, once we have defined that, its time to use in your component Here is snippet from dialog.xml from component:
<linkspanel
jcr:primaryType="cq:Panel"
border="false"
height=""
title="Links"
width="">
<items jcr:primaryType="cq:WidgetCollection">
<links
jcr:primaryType="cq:Widget"
fieldDescription="Press + to add more links"
fieldLabel="Links"
hideLabel="true"
name="./links"
width="1000"
xtype="multifield">
<fieldConfig
jcr:primaryType="cq:Widget"
xtype="mypathfield"/>
<listeners
jcr:primaryType="nt:unstructured" />
</links>
</items>
</linkspanel>
And this is how it appear !

Example of custom xtype

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