Package com.levigo.jadice.web.client.tools

Class MouseWheelZoomTool

java.lang.Object

com.levigo.jadice.web.client.tool.Tool

com.levigo.jadice.web.client.tools.MouseWheelZoomTool

All Implemented Interfaces:

MenuContributor

public class MouseWheelZoomTool
extends Tool

Advanced MouseWheelZoom with better algorithm. Zooms in/out when the mouse wheel is rotated and the CTRL or ALT button is pressed. The zoom factor is multiplied with 1.45 for each rotation.

Nested Class Summary

Nested classes/interfaces inherited from class com.levigo.jadice.web.client.tool.Tool

Tool.ActivationRequest

Field Summary

Fields inherited from class com.levigo.jadice.web.client.tool.Tool

DEFAULT_PRIORITY, MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
MouseWheelZoomTool()

Method Summary

Modifier and Type	Method	Description
protected int	getDispatchPriority()	Return the dispatch priority for this tool.
protected void	handleMouseWheelMoved(MouseWheelEditEvent e, boolean isActive)	Invoked when the mouse wheel is rotated.

Methods inherited from class com.levigo.jadice.web.client.tool.Tool

contribute, ensureDebugId, getActivationFeedback, getActivationFeedback, getActivationRequest, getActivationRequestForKeyPressed, getActivationRequestForMouseDragged, getActivationRequestForMousePressed, getActivationRequestForTouchMove, getActivationRequestForTouchStart, getManager, getRenderPriority, handleEditEvent, handleGestureChange, handleGestureEnd, handleGestureStart, handleKeyPressed, handleKeyReleased, handleKeyTyped, handleMouseClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseMoved, handleMousePressed, handleMouseReleased, handleTouchEnd, handleTouchMove, handleTouchStart, propagatePropertyChange, render, setActive, setCursor, setCursor, setEnabled, setManager, setStatusFeedback

Methods inherited from class java.lang.Object

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

Constructor Details

MouseWheelZoomTool

public MouseWheelZoomTool()

Method Details

handleMouseWheelMoved

protected void handleMouseWheelMoved(MouseWheelEditEvent e,
 boolean isActive)

Description copied from class: Tool

Invoked when the mouse wheel is rotated.

Overrides:

handleMouseWheelMoved in class Tool

Parameters:

e - the MouseEditEvent

isActive - whether this tool is currently active

getDispatchPriority

protected int getDispatchPriority()

Description copied from class: Tool

Return the dispatch priority for this tool. Tools with higher dispatch priorities receive events earlier than tools with lower priorities. The priority should be in the range Tool.MIN_PRIORITY...Tool.MAX_PRIORITY. The default priority is equal to Tool.MAX_PRIORITY minus the render priority.

Overrides:

getDispatchPriority in class Tool

Returns:

the dispatch priority