y.view
Class AreaZoomMode

java.lang.Object
  y.view.ViewMode
      y.view.AbstractSelectionBoxMode
          y.view.AreaZoomMode

All Implemented Interfaces:

java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener, javax.swing.event.MouseInputListener

public class AreaZoomMode
extends AbstractSelectionBoxMode

Implements a a ViewMode which allows setting the visible part of a view via a rectangle. Set instances of this class as a child ViewMode of the current ViewMode to allow for interactive zooming.

Field Summary

Fields inherited from class y.view.ViewMode

ACTIVE_PROPERTY, ACTIVE_VIEW_PROPERTY, CHILD_MODE_PROPERTY, EDITING_PROPERTY, GRAB_FOCUS_ENABLED_PROPERTY, lastClickEvent, lastDragEvent, lastMoveEvent, lastPressEvent, lastReleaseEvent, MODIFIER_MASK_PROPERTY, NAME_PROPERTY, originalX, originalY, PARENT_MODE_PROPERTY, view

Constructor Summary

AreaZoomMode()

Method Summary

void	activate(boolean b) Invoked when the Mode is activated/deactivated from the ViewControl or via the setChild() and reactivateParent operations This behaves like a bound property using ViewMode.ACTIVE_PROPERTY as the property name.
protected void	focusView(double newZoom, java.awt.geom.Point2D newCenter) Calls focusView(newZoom, newCenter, isAnimatedZoomEnabled()); .
protected void	focusView(double newZoom, java.awt.geom.Point2D newCenter, boolean animatedZoom) Calls view.focusView(newZoom, newCenter, animatedZoom); view.updateView();.
java.awt.Cursor	getCursor() Getter for the cursor that is used when this ViewMode is active.
boolean	isAnimatedZoomEnabled() Returns whether or not area zooming will be performed in a smooth animated fashion.
protected void	selectionBoxAction(java.awt.geom.Rectangle2D.Double sb, boolean shiftMode) Zooms view to selection box bounds and updates view.
protected void	selectionBoxAction(java.awt.Rectangle sb, boolean shiftMode) zooms view to selection box bounds and updates view.
void	setAnimatedZoomEnabled(boolean animated) Whether or not area zooming should be performed in a smooth animated fashion.
void	setCursor(java.awt.Cursor cursor) Setter for the cursor that is used when this ViewMode is active.

Methods inherited from class y.view.AbstractSelectionBoxMode

cancelEditing, mouseDraggedLeft, mousePressedLeft, mouseReleasedLeft, mouseReleasedRight, mouseShiftPressedLeft, mouseShiftReleasedLeft, updateDoubleSelectionBox

Methods inherited from class y.view.ViewMode

addPropertyChangeListener, addPropertyChangeListener, deactivateChild, firePropertyChange, firePropertyChange, firePropertyChange, getChild, getGraph2D, getGridX, getGridY, getHitInfo, getHitInfo, getLastClickEvent, getLastDragEvent, getLastHitInfo, getLastMoveEvent, getLastPressEvent, getLastReleaseEvent, getModifierMask, getName, getParent, init, isActive, isEditing, isGrabFocusEnabled, isGridMode, isModifierPressed, mouseClicked, mouseClicked, mouseDragged, mouseDraggedMiddle, mouseDraggedRight, mouseEntered, mouseExited, mouseMoved, mouseMoved, mousePressed, mousePressedMiddle, mousePressedRight, mouseReleased, mouseReleased, mouseReleasedMiddle, mouseShiftPressedMiddle, mouseShiftPressedRight, mouseShiftReleasedMiddle, mouseShiftReleasedRight, reactivateParent, removePropertyChangeListener, removePropertyChangeListener, setActiveView, setChild, setChild, setEditing, setGrabFocusEnabled, setGridMode, setLastHitInfo, setModifierMask, setName, setParent, translateX, translateY

Methods inherited from class java.lang.Object

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

Constructor Detail

AreaZoomMode

public AreaZoomMode()

Method Detail

selectionBoxAction

protected void selectionBoxAction(java.awt.Rectangle sb,
                                  boolean shiftMode)

zooms view to selection box bounds and updates view.

Specified by:

selectionBoxAction in class AbstractSelectionBoxMode

Parameters:

sb - The position and size of the selection box.

shiftMode - true if shift was pressed when box was closed, false otherwise.

activate

public void activate(boolean b)

Invoked when the Mode is activated/deactivated from the ViewControl or via the setChild() and reactivateParent operations This behaves like a bound property using ViewMode.ACTIVE_PROPERTY as the property name.

Overrides:

activate in class ViewMode

Parameters:

b - set true when mode was activated false otherwise

selectionBoxAction

protected void selectionBoxAction(java.awt.geom.Rectangle2D.Double sb,
                                  boolean shiftMode)

Zooms view to selection box bounds and updates view.

Overrides:

selectionBoxAction in class AbstractSelectionBoxMode

Parameters:

sb - The position and size of the selection box.

shiftMode - true if shift was pressed when box was closed, false otherwise.

focusView

protected void focusView(double newZoom,
                         java.awt.geom.Point2D newCenter)

Calls focusView(newZoom, newCenter, isAnimatedZoomEnabled()); .

Parameters:

newZoom - the new zoom factor

newCenter - the new center

focusView

protected void focusView(double newZoom,
                         java.awt.geom.Point2D newCenter,
                         boolean animatedZoom)

Calls view.focusView(newZoom, newCenter, animatedZoom); view.updateView();.

Parameters:

newZoom - the new zoom factor

newCenter - the new center

getCursor

public java.awt.Cursor getCursor()

Getter for the cursor that is used when this ViewMode is active.

Returns:

The cursor that is used when this ViewMode is active.

setCursor

public void setCursor(java.awt.Cursor cursor)

Setter for the cursor that is used when this ViewMode is active.

Parameters:

cursor -

setAnimatedZoomEnabled

public void setAnimatedZoomEnabled(boolean animated)

Whether or not area zooming should be performed in a smooth animated fashion. By default this feature is disabled.

isAnimatedZoomEnabled

public boolean isAnimatedZoomEnabled()

Returns whether or not area zooming will be performed in a smooth animated fashion. By default this feature is disabled.