Displays the set of active components on a ZEN page within
a simple tree.
This is used by ZEN Tools.
onselect event handler: This event is fired when the user selects a component in the browser.
If defined, this is the id of top-most zen component to display within the object browser.
If defined, this is the page object containing the objects we are browsing.
Static HTML display method: draw the BODY of this component as HTML.
Subclasses implement this in order to render the static HTML contents of a component.
Return current object.
Initialize additional client-side variables
Redraw contents of browser to match current set of client objects
this client event is fired when the page is loaded.
Get HTML for one object in client object tree.
Select the given object within the object browser.
Make given component the current browser selection.
Update the values displayed within the browser.