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org.eclipse.gef.tools
Class ConnectionEndpointTracker
java.lang.Object
org.eclipse.gef.util.FlagSupport
org.eclipse.gef.tools.AbstractTool
org.eclipse.gef.tools.TargetingTool
org.eclipse.gef.tools.ConnectionEndpointTracker
-
All Implemented Interfaces:
-
DragTracker,
RequestConstants,
Tool
- public class ConnectionEndpointTracker
- extends
TargetingTool
- implements
DragTracker
A DragTracker that moves the endpoint of a connection to another location.
Field Summary
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protected static int
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MAX_FLAG
The max flag |
Fields inherited from class org.eclipse.gef.tools.
AbstractTool
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MAX_STATE,
MOUSE_BUTTON_ANY,
MOUSE_BUTTON1,
MOUSE_BUTTON2,
MOUSE_BUTTON3,
PROPERTY_UNLOAD_WHEN_FINISHED,
STATE_ACCESSIBLE_DRAG,
STATE_ACCESSIBLE_DRAG_IN_PROGRESS,
STATE_DRAG,
STATE_DRAG_IN_PROGRESS,
STATE_INITIAL,
STATE_INVALID,
STATE_TERMINAL
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Fields inherited from interface org.eclipse.gef.
RequestConstants
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REQ_ADD,
REQ_ALIGN,
REQ_ALIGN_CHILDREN,
REQ_CLONE,
REQ_CONNECTION_END,
REQ_CONNECTION_START,
REQ_CREATE,
REQ_CREATE_BENDPOINT,
REQ_DELETE,
REQ_DELETE_DEPENDANT,
REQ_DIRECT_EDIT,
REQ_MOVE,
REQ_MOVE_BENDPOINT,
REQ_MOVE_CHILDREN,
REQ_OPEN,
REQ_ORPHAN,
REQ_ORPHAN_CHILDREN,
REQ_RECONNECT_SOURCE,
REQ_RECONNECT_TARGET,
REQ_RESIZE,
REQ_RESIZE_CHILDREN,
REQ_SELECTION,
REQ_SELECTION_HOVER
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Method Summary
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protected Cursor
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calculateCursor
()
Returns a custom "plug" cursor if this tool is in the initial, drag or accessible drag
state. |
void
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commitDrag
()
Erases source and target feedback and executes the current command. |
protected
Request
|
createTargetRequest
()
Creates the target request, a
ReconnectRequest . |
void
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deactivate
()
Erases feedback and sets the viewer's focus to null . |
protected void
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eraseSourceFeedback
()
Erases the source feedback. |
protected java.lang.String
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getCommandName
()
Returns the identifier of the command that is being sought. |
protected
Connection
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getConnection
()
Returns the ConnectionEditPart's figure. |
protected
ConnectionEditPart
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getConnectionEditPart
()
Returns the ConnectionEditPart. |
protected java.lang.String
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getDebugName
()
Returns the debug name for this tool. |
protected java.util.Collection
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getExclusionSet
()
Returns a List of objects that should be excluded as potential targets for the
operation. |
protected boolean
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handleButtonUp
(int button)
If currently in the drag-in-progress state, it goes into the terminal state erases
feedback and executes the current command. |
protected boolean
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handleDragInProgress
()
Updates the request and the mouse target, asks to show feedback, and gets the current
command. |
protected boolean
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handleDragStarted
()
Called only one time during a drag when the drag threshold has been exceeded. |
protected boolean
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handleHover
()
Handles high-level processing of a mouse hover event. |
protected boolean
|
handleKeyDown
(KeyEvent e)
Processes the arrow keys (to choose a different source or target edit part) and
forwardslash and backslash keys (to try to connect to another connection). |
void
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setCommandName
(java.lang.String newCommandName)
Sets the command name. |
void
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setConnectionEditPart
(
ConnectionEditPart cep)
Sets the connection edit part that is being reconnected. |
protected void
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showSourceFeedback
()
Asks the ConnectionEditPart to show source feedback. |
protected void
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updateTargetRequest
()
Updates the request location. |
Methods inherited from class org.eclipse.gef.tools.
TargetingTool
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doAutoexpose,
eraseTargetFeedback,
getAutoexposeHelper,
getCommand,
getTargetEditPart,
getTargetingConditional,
getTargetRequest,
handleAutoexpose,
handleEnteredEditPart,
handleExitingEditPart,
handleHoverStop,
handleInvalidInput,
handleLeavingEditPart,
handleViewerExited,
isShowingTargetFeedback,
isTargetLocked,
lockTargetEditPart,
resetFlags,
resetHover,
setAutoexposeHelper,
setTargetEditPart,
setTargetRequest,
showTargetFeedback,
unlockTargetEditPart,
updateAutoexposeHelper,
updateTargetUnderMouse
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Methods inherited from class org.eclipse.gef.tools.
AbstractTool
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acceptArrowKey,
activate,
addFeedback,
applyProperty,
createOperationSet,
debug,
executeCommand,
executeCurrentCommand,
focusGained,
focusLost,
getCurrentCommand,
getCurrentInput,
getCurrentViewer,
getDebugNameForState,
getDefaultCursor,
getDisabledCursor,
getDomain,
getDragMoveDelta,
getLocation,
getOperationSet,
getStartLocation,
getState,
handleButtonDown,
handleCommandStackChanged,
handleDoubleClick,
handleDrag,
handleFinished,
handleFocusGained,
handleFocusLost,
handleKeyTraversed,
handleKeyUp,
handleMove,
handleNativeDragFinished,
handleNativeDragStarted,
handleViewerEntered,
isActive,
isHoverActive,
isInState,
isViewerImportant,
keyDown,
keyTraversed,
keyUp,
mouseDoubleClick,
mouseDown,
mouseDrag,
mouseHover,
mouseMove,
mouseUp,
mouseWheelScrolled,
movedPastThreshold,
nativeDragFinished,
nativeDragStarted,
performViewerMouseWheel,
placeMouseInViewer,
reactivate,
refreshCursor,
releaseToolCapture,
removeFeedback,
setCurrentCommand,
setCursor,
setDefaultCursor,
setDisabledCursor,
setEditDomain,
setHoverActive,
setProperties,
setStartLocation,
setState,
setToolCapture,
setUnloadWhenFinished,
setViewer,
stateTransition,
unloadWhenFinished,
viewerEntered,
viewerExited
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Methods inherited from class java.lang.Object
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.gef.
Tool
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activate,
focusGained,
focusLost,
keyDown,
keyTraversed,
keyUp,
mouseDoubleClick,
mouseDown,
mouseDrag,
mouseHover,
mouseMove,
mouseUp,
mouseWheelScrolled,
nativeDragFinished,
nativeDragStarted,
setEditDomain,
setProperties,
setViewer,
viewerEntered,
viewerExited
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MAX_FLAG
protected static final int MAX_FLAG
- The max flag
-
See Also:
-
Constant Field Values
ConnectionEndpointTracker
public ConnectionEndpointTracker(
ConnectionEditPart cep)
- Constructs a new ConnectionEndpointTracker for the given ConnectionEditPart.
-
Parameters:
-
cep - the ConnectionEditPart
calculateCursor
protected Cursor calculateCursor()
- Returns a custom "plug" cursor if this tool is in the initial, drag or accessible drag
state. Otherwise defers to
super .
-
-
Overrides:
-
calculateCursor
in class
AbstractTool
-
-
Returns:
- the cursor
-
See Also:
-
AbstractTool.getDefaultCursor() ,
AbstractTool.getDisabledCursor() ,
AbstractTool.getCurrentCommand()
commitDrag
public void commitDrag()
- Erases source and target feedback and executes the current command.
-
-
Specified by:
-
commitDrag
in interface
DragTracker
-
Overrides:
-
commitDrag
in class
AbstractTool
-
-
See Also:
-
DragTracker.commitDrag()
createTargetRequest
protected
Request createTargetRequest()
- Creates the target request, a
ReconnectRequest .
-
-
Overrides:
-
createTargetRequest
in class
TargetingTool
-
-
Returns:
- the target request
-
See Also:
-
TargetingTool.getTargetRequest()
deactivate
public void deactivate()
- Erases feedback and sets the viewer's focus to
null . This will remove
any focus rectangles that were painted to show the new target or source edit part.
-
-
Specified by:
-
deactivate
in interface
Tool
-
Overrides:
-
deactivate
in class
TargetingTool
-
-
See Also:
-
Tool.deactivate()
eraseSourceFeedback
protected void eraseSourceFeedback()
- Erases the source feedback.
-
-
getCommandName
protected java.lang.String getCommandName()
-
Description copied from class:
AbstractTool
- Returns the identifier of the command that is being sought. This name is also the
named that will be logged in the debug view.
-
-
Specified by:
-
getCommandName
in class
AbstractTool
-
-
Returns:
- the identifier for the command
-
See Also:
-
AbstractTool.getCommandName()
getConnection
protected
Connection getConnection()
- Returns the ConnectionEditPart's figure.
-
-
-
Returns:
- the connection
getConnectionEditPart
protected
ConnectionEditPart getConnectionEditPart()
- Returns the ConnectionEditPart.
-
-
-
Returns:
- the ConnectionEditPart
getDebugName
protected java.lang.String getDebugName()
-
Description copied from class:
AbstractTool
- Returns the debug name for this tool.
-
-
Overrides:
-
getDebugName
in class
AbstractTool
-
-
Returns:
- the debug name
-
See Also:
-
AbstractTool.getDebugName()
getExclusionSet
protected java.util.Collection getExclusionSet()
-
Description copied from class:
TargetingTool
- Returns a List of objects that should be excluded as potential targets for the
operation.
-
-
Overrides:
-
getExclusionSet
in class
TargetingTool
-
-
Returns:
- the list of objects to be excluded as targets
-
See Also:
-
TargetingTool.getExclusionSet()
handleButtonUp
protected boolean handleButtonUp(int button)
- If currently in the drag-in-progress state, it goes into the terminal state erases
feedback and executes the current command.
-
-
Overrides:
-
handleButtonUp
in class
AbstractTool
-
-
Parameters:
-
button - the button being released
-
Returns:
-
true if the button up was handled -
See Also:
-
AbstractTool.handleButtonUp(int)
handleDragInProgress
protected boolean handleDragInProgress()
- Updates the request and the mouse target, asks to show feedback, and gets the current
command.
-
-
Overrides:
-
handleDragInProgress
in class
AbstractTool
-
-
Returns:
-
true
-
See Also:
-
AbstractTool.movedPastThreshold() ,
AbstractTool.mouseDrag(MouseEvent, EditPartViewer)
handleDragStarted
protected boolean handleDragStarted()
-
Description copied from class:
AbstractTool
- Called only one time during a drag when the drag threshold has been exceeded. By
default, nothing happens and
false is returned. Subclasses may override
to interpret the drag starting. Returning true indicates that the event
was handled.
-
-
Overrides:
-
handleDragStarted
in class
AbstractTool
-
-
Returns:
- true if the drag starting was handled
-
See Also:
-
AbstractTool.handleDragStarted()
handleHover
protected boolean handleHover()
-
Description copied from class:
AbstractTool
- Handles high-level processing of a mouse hover event. By default, nothing happens and
false is returned. Subclasses may override this method to interpret the
hover. Return true to indicate that the hover was handled.
-
-
Overrides:
-
handleHover
in class
AbstractTool
-
-
Returns:
-
true if the hover was handled -
See Also:
-
AbstractTool.handleHover()
handleKeyDown
protected boolean handleKeyDown(KeyEvent e)
- Processes the arrow keys (to choose a different source or target edit part) and
forwardslash and backslash keys (to try to connect to another connection).
-
-
Overrides:
-
handleKeyDown
in class
AbstractTool
-
-
Parameters:
-
e - the key event
-
Returns:
-
true if the key down was handled. -
See Also:
-
org.eclipse.gef.tools.AbstractTool#handleKeyDown(org.eclipse.swt.events.KeyEvent)
setCommandName
public void setCommandName(java.lang.String newCommandName)
- Sets the command name.
-
-
-
Parameters:
-
newCommandName - the new command name
setConnectionEditPart
public void setConnectionEditPart(
ConnectionEditPart cep)
- Sets the connection edit part that is being reconnected.
-
-
-
Parameters:
-
cep - the connection edit part
showSourceFeedback
protected void showSourceFeedback()
- Asks the ConnectionEditPart to show source feedback.
-
-
updateTargetRequest
protected void updateTargetRequest()
- Updates the request location.
-
-
Overrides:
-
updateTargetRequest
in class
TargetingTool
-
-
See Also:
-
TargetingTool.updateTargetRequest()
Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.
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