portal.comp.tree
Class Tree

java.lang.Object
  portal.core.api.Component
      portal.comp.tree.Tree

All Implemented Interfaces:

Renderable, java.io.Serializable

public class Tree

extends Component

See Also:

Serialized Form

Constructor Summary

Tree()

Method Summary

Model	createDefaultModel() This method is called by the constructor to create a default model for this component.
void	draw(HtmlGraphics htmlGraphics) With this method the component can render itself using the passed HtmlGraphics object.
boolean	getShowRoot()
TreeModel	getTreeModel()
void	setShowRoot(boolean showRoot)

Methods inherited from class portal.core.api.Component

afterRender, beforeRender, getLayout, getModel, getParent, isEnabled, isVisible, render, setEnabled, setLayout, setModel, setParent, setVisible, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Tree

public Tree()

Method Detail

getTreeModel

public TreeModel getTreeModel()

createDefaultModel

public Model createDefaultModel()

Description copied from class: Component

This method is called by the constructor to create a default model for this component. If this component type does not use a model or does not have a suitable default model, this method can return null.

The default implementation should return null.

Overrides:

createDefaultModel in class Component

Returns:

an instance of a Model or null when there is no default model

setShowRoot

public void setShowRoot(boolean showRoot)

getShowRoot

public boolean getShowRoot()

draw

public void draw(HtmlGraphics htmlGraphics)
          throws RenderException

Description copied from class: Component

With this method the component can render itself using the passed HtmlGraphics object. This method is not called when a layout manager is set since the existence of a layout manager takes precedence above the draw() method.

Overrides:

draw in class Component

Parameters:

htmlGraphics - the html graphics instance to use for drawing this component

Throws:

RenderException - when the rendering process could not proceed or encountered an error