y.view
Class PopupMode

java.lang.Object
  |
  +--y.view.ViewMode
        |
        +--y.view.PopupMode

All Implemented Interfaces:

EventListener, MouseInputListener, MouseListener, MouseMotionListener

public abstract class PopupMode

extends ViewMode

A view mode that is responsible for showing context sensitive popup menus when a right click occurs on a view element. The popup menus will be displayed at the view coordinate where the right click occured.

Subclasses should overwrite the methods that provide JPopupMenu objects for different kinds of contexts. By default these methods return empty popup menus.

Field Summary

Fields inherited from class y.view.ViewMode

lastClickEvent, lastDragEvent, lastPressEvent, lastReleaseEvent, originalX, originalY, view

Constructor Summary

PopupMode()
Initializes a new PopupMode

PopupMode(ViewContainer vc)
Initializes a new PopupMode for a given ViewContainer

Method Summary

JPopupMenu	getBendPopup(Bend b) Provides a JPopupMenu that is displayed for the given bend.
JPopupMenu	getEdgeLabelPopup(EdgeLabel label) Provides a JPopupMenu that is displayed for the given edge label.
JPopupMenu	getEdgePopup(Edge e) Provides a JPopupMenu that is displayed for the given edge.
JPopupMenu	getNodePopup(Node v) Provides a JPopupMenu that is displayed for the given node.
JPopupMenu	getPaperPopup(double x, double y) Provides a JPopupMenu that is displayed if a hit on the view background occured and no graph elements are selected.
JPopupMenu	getSelectionPopup(double x, double y) Provides a JPopupMenu that is displayed if a hit on the view background occured and some graph elements are selected.
boolean	getSelectSubject()
void	mousePressed(MouseEvent e) Internal use only
void	mouseReleased(MouseEvent e) Triggers the display of a context sensitive menu on a right mouse button press.
void	reactivateParent() Internal use only.
void	setSelectSubject(boolean select) Sets whether or not to automatically select the subject (node, edge, bend,...) for which the popup menu gets activated.

Methods inherited from class y.view.ViewMode

activate, getGraph2D, getGridX, getGridY, getHitInfo, getHitInfo, getLastHitInfo, getName, init, isGrabFocusEnabled, isGridMode, mouseClicked, mouseClicked, mouseDragged, mouseDraggedLeft, mouseDraggedMiddle, mouseDraggedRight, mouseEntered, mouseExited, mouseMoved, mouseMoved, mousePressedLeft, mousePressedMiddle, mousePressedRight, mouseReleased, mouseReleasedLeft, mouseReleasedMiddle, mouseReleasedRight, mouseShiftPressedLeft, mouseShiftPressedMiddle, mouseShiftPressedRight, mouseShiftReleasedLeft, mouseShiftReleasedMiddle, mouseShiftReleasedRight, setActiveView, setChild, setChild, setGrabFocusEnabled, setGridMode, setLastHitInfo, setName, setParent, translateX, translateY

Methods inherited from class java.lang.Object

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

Constructor Detail

PopupMode

public PopupMode()

Initializes a new PopupMode

PopupMode

public PopupMode(ViewContainer vc)

Initializes a new PopupMode for a given ViewContainer

Method Detail

mousePressed

public void mousePressed(MouseEvent e)

Internal use only

Specified by:

mousePressed in interface MouseListener

Overrides:

mousePressed in class ViewMode

reactivateParent

public void reactivateParent()

Internal use only.

Overrides:

reactivateParent in class ViewMode

mouseReleased

public void mouseReleased(MouseEvent e)

Triggers the display of a context sensitive menu on a right mouse button press. Depending on the kind of hit element an appropriate JPopupMenu will be displayed.

Specified by:

mouseReleased in interface MouseListener

Overrides:

mouseReleased in class ViewMode

getNodePopup

public JPopupMenu getNodePopup(Node v)

Provides a JPopupMenu that is displayed for the given node. This method will be called if no graph elements are selected and a right click on a node occured. If the JPopupMenu contains no elements or is null no popup menu will be displayed.

getBendPopup

public JPopupMenu getBendPopup(Bend b)

Provides a JPopupMenu that is displayed for the given bend. This method will be called if no graph elements are selected and a right click on a bend occured. If the JPopupMenu contains no elements or is null no popup menu will be displayed.

getEdgePopup

public JPopupMenu getEdgePopup(Edge e)

Provides a JPopupMenu that is displayed for the given edge. This method will be called if no graph elements are selected and a right click on an edge occured. If the JPopupMenu contains no elements or is null no popup menu will be displayed.

getPaperPopup

public JPopupMenu getPaperPopup(double x,
                                double y)

Provides a JPopupMenu that is displayed if a hit on the view background occured and no graph elements are selected.

The hit on the background occured at the given world coordinate.

If the JPopupMenu contains no elements or is null no popup menu will be displayed.

getSelectionPopup

public JPopupMenu getSelectionPopup(double x,
                                    double y)

Provides a JPopupMenu that is displayed if a hit on the view background occured and some graph elements are selected.

The hit on the background occured at the given world coordinate.

If the JPopupMenu contains no elements or is null no popup menu will be displayed.

getEdgeLabelPopup

public JPopupMenu getEdgeLabelPopup(EdgeLabel label)

Provides a JPopupMenu that is displayed for the given edge label. If the JPopupMenu contains no elements or is null no popup menu will be displayed.

setSelectSubject

public void setSelectSubject(boolean select)

Sets whether or not to automatically select the subject (node, edge, bend,...) for which the popup menu gets activated. By default the subject gets automatically selected.

getSelectSubject

public boolean getSelectSubject()