net.sf.mmm.client.ui.gwt.widgets

Class PopupMouseHandler

java.lang.Object

net.sf.mmm.client.ui.gwt.widgets.handler.AbstractMouseDragHandler

net.sf.mmm.client.ui.gwt.widgets.PopupMouseHandler

All Implemented Interfaces:

com.google.gwt.event.dom.client.MouseDownHandler, com.google.gwt.event.dom.client.MouseMoveHandler, com.google.gwt.event.dom.client.MouseUpHandler, com.google.gwt.event.shared.EventHandler, com.google.gwt.user.client.Event.NativePreviewHandler, AbstractCustomHandler

class PopupMouseHandler
extends AbstractMouseDragHandler

This class is the handler for mouse events to move an resize a PopupWindow.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private int	minHeight The minimum height of the PopupWindow.
private int	minWidth The minimum width of the PopupWindow.
private Rectangle	popupRectangle The current Rectangle of the PopupWindow.
private PopupWindow	popupWindow The PopupWindow to manage.
private Direction	resizeDirection The resize Direction or null for move.

Constructor Summary

Constructors

Constructor and Description
PopupMouseHandler(PopupWindow popupWindow, Direction resizeDirection) The constructor.

Method Summary

Modifier and Type	Method and Description
protected void	initializeOnMouseDown(com.google.gwt.event.dom.client.MouseDownEvent event) Override to add initialization logic to AbstractMouseDragHandler.onMouseDown(MouseDownEvent).
protected boolean	isActive() This method can be overridden for dynamic activation of this handler.
protected void	onMouseMove(int deltaX, int deltaY, com.google.gwt.dom.client.NativeEvent nativeEvent)

Methods inherited from class net.sf.mmm.client.ui.gwt.widgets.handler.AbstractMouseDragHandler

getMouseX, getMouseY, onMouseDown, onMouseMove, onMouseUp, onPreviewNativeEvent, register

Methods inherited from class java.lang.Object

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

Field Detail

popupWindow

private final PopupWindow popupWindow

The PopupWindow to manage.

resizeDirection

private final Direction resizeDirection

The resize Direction or null for move.

popupRectangle

private Rectangle popupRectangle

The current Rectangle of the PopupWindow.

minWidth

private int minWidth

The minimum width of the PopupWindow.

minHeight

private int minHeight

The minimum height of the PopupWindow.

Constructor Detail

PopupMouseHandler

public PopupMouseHandler(PopupWindow popupWindow,
                         Direction resizeDirection)

The constructor.

Parameters:

resizeDirection - is the resize Direction or null for move.

popupWindow - is the PopupWindow.

Method Detail

isActive

protected boolean isActive()

This method can be overridden for dynamic activation of this handler.

Overrides:

isActive in class AbstractMouseDragHandler

Returns:

true if this handler is active, false if it is inactive (ignores all events and does nothing).

initializeOnMouseDown

protected void initializeOnMouseDown(com.google.gwt.event.dom.client.MouseDownEvent event)

Override to add initialization logic to AbstractMouseDragHandler.onMouseDown(MouseDownEvent).

Overrides:

initializeOnMouseDown in class AbstractMouseDragHandler

Parameters:

event - is the initial MouseDownEvent.

onMouseMove

protected void onMouseMove(int deltaX,
                           int deltaY,
                           com.google.gwt.dom.client.NativeEvent nativeEvent)

Specified by:

onMouseMove in class AbstractMouseDragHandler

Parameters:

deltaX - is the relative movement of the mouse position on X-axis.

deltaY - is the relative movement of the mouse position on Y-axis.

nativeEvent - is the NativeEvent that triggered this invocation.

See Also:

AbstractMouseDragHandler.onMouseMove(MouseMoveEvent)