Class CQ.Ext.Component

A tag name or DomHelper spec used to create the Element which will encapsulate this Component.

You do not normally need to specify this. For the base classes CQ.Ext.Component, CQ.Ext.BoxComponent, and CQ.Ext.Container, this defaults to 'div'. The more complex Ext classes use a more complex DOM structure created by their own onRender methods.

This is intended to allow the developer to create application-specific utility Components encapsulated by different DOM elements. Example usage:

{
    xtype: 'box',
    autoEl: {
        tag: 'img',
        src: 'http://www.example.com/example.jpg'
    }
}, {
    xtype: 'box',
    autoEl: {
        tag: 'blockquote',
        html: 'autoEl is cool!'
    }
}, {
    xtype: 'container',
    autoEl: 'ul',
    cls: 'ux-unordered-list',
    items: {
        xtype: 'box',
        autoEl: 'li',
        html: 'First list item'
    }
}

An array of events that, when fired, should be bubbled to any parent container. See CQ.Ext.util.Observable.enableBubble. Defaults to [].

An optional extra CSS class that will be added to this component's Element (defaults to ''). This can be useful for adding customized styles to the component or any of its children using standard CSS rules.

An optional extra CSS class that will be added to this component's container. This can be useful for adding customized styles to the container or any of its children using standard CSS rules. See CQ.Ext.layout.ContainerLayout.extraCls also.

Note: ctCls defaults to '' except for the following class which assigns a value by default:

To configure the above Class with an extra CSS class append to the default. For example, for BoxLayout (Hbox and Vbox):

ctCls: 'x-box-layout-ct custom-class'

The text to display below this component (defaults to '').

Note: this config is only used when this Component is rendered by a Container which has been configured to use the FormLayout layout manager.

See also fieldLabel.

The text to display below the fieldLabel (defaults to '').

Note: this config is only used when this Component is rendered by a Container which has been configured to use the FormLayout layout manager.

See also fieldLabel.

true to completely hide the label element (label and separator). Defaults to false. By default, even if you do not specify a fieldLabel the space will still be reserved so that the field will line up with other fields that do have labels. Setting this to true will cause the field to not reserve that space.

Note: see the note for clearCls.

Example use:

new CQ.Ext.FormPanel({
    height: 100,
    renderTo: CQ.Ext.getBody(),
    items: [{
        xtype: 'textfield'
        hideLabel: true
    }]
});

True to hide and show the component's container when hide/show is called on the component, false to hide and show the component itself (defaults to false). For example, this can be used as a shortcut for a hide button on a window by setting hide:true on the button when adding it to its parent container.

The unique id of this component (defaults to an auto-assigned id). You should assign an id if you need to be able to access the component later and you do not have an object reference available (e.g., using CQ.getCmp).

Note that this id will also be used as the element id for the containing HTML element that is rendered to the page for this component. This allows you to write id-based CSS rules to style the specific instance of this component uniquely, and also to select sub-elements using this component's id as the parent.

Note: to avoid complications imposed by a unique id also see itemId and ref.

Note: to access the container of an item see ownerCt.

An itemId can be used as an alternative way to get a reference to a component when no object reference is available. Instead of using an id with CQ.getCmp, use itemId with CQ.Ext.Container.getComponent which will retrieve itemId's or id's. Since itemId's are an index to the container's internal MixedCollection, the itemId is scoped locally to the container -- avoiding potential conflicts with CQ.Ext.ComponentMgr which requires a unique id.

var c = new CQ.Ext.Panel({ //
    height: 300,
    renderTo: document.body,
    layout: 'auto',
    items: [
        {
            itemId: 'p1',
            title: 'Panel 1',
            height: 150
        },
        {
            itemId: 'p2',
            title: 'Panel 2',
            height: 150
        }
    ]
})
p1 = c.getComponent('p1'); // not the same as CQ.Ext.getCmp()
p2 = p1.ownerCt.getComponent('p2'); // reference via a sibling

Also see id and ref.

Note: to access the container of an item see ownerCt.

A CSS style specification string to apply directly to this field's label. Defaults to the container's labelStyle value if set (e.g., CQ.Ext.layout.FormLayout.labelStyle , or '').

Note: see the note for clearCls.

Also see hideLabel and CQ.Ext.layout.FormLayout.fieldTpl.

Example use:

new CQ.Ext.FormPanel({
    height: 100,
    renderTo: CQ.Ext.getBody(),
    items: [{
        xtype: 'textfield',
        fieldLabel: 'Name',
        labelStyle: 'font-weight:bold;'
    }]
});

An object or array of objects that will provide custom functionality for this component. The only requirement for a valid plugin is that it contain an init method that accepts a reference of type CQ.Ext.Component. When a component is created, if any plugins are available, the component will call the init method on each plugin, passing a reference to itself. Each plugin can then call methods or respond to events on the component as needed to provide its functionality.

A path specification, relative to the Component's ownerCt specifying into which ancestor Container to place a named reference to this Component.

The ancestor axis can be traversed by using '/' characters in the path. For example, to put a reference to a Toolbar Button into the Panel which owns the Toolbar:

var myGrid = new CQ.Ext.grid.EditorGridPanel({
    title: 'My EditorGridPanel',
    store: myStore,
    colModel: myColModel,
    tbar: [{
        text: 'Save',
        handler: saveChanges,
        disabled: true,
        ref: '../saveButton'
    }],
    listeners: {
        afteredit: function() {
//          The button reference is in the GridPanel
            myGrid.saveButton.enable();
        }
    }
});

In the code above, if the ref had been 'saveButton' the reference would have been placed into the Toolbar. Each '/' in the ref moves up one level from the Component's ownerCt.

Also see the added and removed events.

An array of events that, when fired, should trigger this component to save its state (defaults to none). stateEvents may be any type of event supported by this component, including browser or custom events (e.g., ['click', 'customerchange']).

See stateful for an explanation of saving and restoring Component state.

A flag which causes the Component to attempt to restore the state of internal properties from a saved state on startup. The component must have either a stateId or id assigned for state to be managed. Auto-generated ids are not guaranteed to be stable across page loads and cannot be relied upon to save and restore the same state for a component.

For state saving to work, the state manager's provider must have been set to an implementation of CQ.Ext.state.Provider which overrides the set and get methods to save and recall name/value pairs. A built-in implementation, CQ.Ext.state.CookieProvider is available.

To set the state provider for the current page:

CQ.Ext.state.Manager.setProvider(new CQ.Ext.state.CookieProvider({
    expires: new Date(new Date().getTime()+(1000*60*60*24*7)), //7 days from now
}));

A stateful Component attempts to save state when one of the events listed in the stateEvents configuration fires.

To save state, a stateful Component first serializes its state by calling getState. By default, this function does nothing. The developer must provide an implementation which returns an object hash which represents the Component's restorable state.

The value yielded by getState is passed to CQ.Ext.state.Manager.set which uses the configured CQ.Ext.state.Provider to save the object keyed by the Component's stateId, or, if that is not specified, its id.

During construction, a stateful Component attempts to restore its state by calling CQ.Ext.state.Manager.get passing the stateId, or, if that is not specified, the id.

The resulting object is passed to applyState. The default implementation of applyState simply copies properties into the object, but a developer may override this to support more behaviour.

You can perform extra processing on state save and restore by attaching handlers to the beforestaterestore, staterestore, beforestatesave and statesave events.

An CQ.Ext.Template, CQ.Ext.XTemplate or an array of strings to form an CQ.Ext.XTemplate. Used in conjunction with the data and tplWriteMode configurations.

The registered xtype to create. This config option is not used when passing a config object into a constructor. This config option is used only when lazy instantiation is being used, and a child item of a Container is being specified not as a fully instantiated Component, but as a Component config object. The xtype will be looked up at render time up to determine what type of child Component to create.

The predefined xtypes are listed here.

If you subclass Components to create your own Components, you may register them using CQ.Ext.ComponentMgr.registerType in order to be able to take advantage of lazy instantiation and rendering.