org.formaria.svg
Class SvgButtonStateHelper

java.lang.Object
  org.formaria.svg.SvgStateHelper
      org.formaria.svg.SvgButtonStateHelper

public class SvgButtonStateHelper
extends SvgStateHelper

A helper for an AbstractButton's state. The helper controls a number of layers, including 'mask', 'rollover' and 'pressed'. The mask layer or group element contains a shape that is used to define the client area of the component. The 'rollover' layer includes graphical elements that are shown when the mouse is over the component

Copyright (c) Formaria 2008, see license.txt for more details

Field Summary

protected SvgElementState[][]

states

Fields inherited from class org.formaria.svg.SvgStateHelper

component, containsMouse, defaultIds, ids, mask, MASK_ID, NUM_IDS, PRESSED_ID, ROLLOVER_ID

Constructor Summary

SvgButtonStateHelper()
Creates a new instance of SvgButtonStateHelper

Method Summary

SvgElementState[][]	getStates(SVGDiagram diagram) Get the managed states in the svg diagram.
void	setComponent(javax.swing.JComponent comp) Set the component instance
boolean	updateState(int itemId) Update the svg state to be consistent with the button's state

Methods inherited from class org.formaria.svg.SvgStateHelper

contains, getSelectedId, setElementIds

Methods inherited from class java.lang.Object

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

Field Detail

states

protected SvgElementState[][] states

Constructor Detail

SvgButtonStateHelper

public SvgButtonStateHelper()

Creates a new instance of SvgButtonStateHelper

Method Detail

setComponent

public void setComponent(javax.swing.JComponent comp)

Set the component instance

Overrides:

setComponent in class SvgStateHelper

Parameters:

comp - the component instacne

getStates

public SvgElementState[][] getStates(SVGDiagram diagram)

Get the managed states in the svg diagram. In the case of this button helper the managed states are 'pressed' and 'rollover'.

Overrides:

getStates in class SvgStateHelper

Parameters:

diagram - the svg diagram

Returns:

an array of state objects

updateState

public boolean updateState(int itemId)

Update the svg state to be consistent with the button's state

Overrides:

updateState in class SvgStateHelper

Parameters:

itemId - the item index or -1 to update all items

Returns:

true if the state has changed