Extjs Plugins !!top!!

Conceptually, a plugin in Ext JS is a class that inserts itself into the lifecycle of a host component. It listens to the component's events and manipulates its behavior or DOM elements.

return true; ,

Better: use mon (monitor) to safely override. extjs plugins

You can add methods directly to the host instance:

config: interval: 5000 // Default to 5 seconds , Conceptually, a plugin in Ext JS is a

: Integrating charting libraries with standard data stores. Best Practices for Plugin Development

Ext JS ships with several powerful plugins out of the box. To use them, you add them to the component's plugins configuration array. You can add methods directly to the host

| Plugin | Purpose | |--------|---------| | Ext.form.FieldSet (not a plugin) | – | | Ext.form.action.StandardSubmit | Submit form as standard browser POST | | Ext.plugin.Clearable | Add clear icon to text fields | | Ext.form.plugin.FieldLabels | Advanced label management |

Ext.define('MyApp.plugin.Clearable', extend: 'Ext.plugin.Abstract', alias: 'plugin.clearable', init: function(field) this.field = field; field.on('afterrender', this.addClearButton, this); ,

The gridheaderresizer plugin allows users to resize grid columns by dragging the header borders.