org.eclipse.gef.tools
Class ConnectionEndpointTracker

java.lang.Object
  |
  +--org.eclipse.gef.internal.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

Inner classes inherited from class org.eclipse.gef.tools.AbstractTool

AbstractTool.Input

Field Summary

protected static int

MAX_FLAG

Fields inherited from class org.eclipse.gef.tools.AbstractTool

MAX_STATE, MOUSE_BUTTON_ANY, MOUSE_BUTTON1, MOUSE_BUTTON2, MOUSE_BUTTON3, STATE_ACCESSIBLE_DRAG, STATE_ACCESSIBLE_DRAG_IN_PROGRESS, STATE_DRAG, STATE_DRAG_IN_PROGRESS, STATE_INITIAL, STATE_INVALID, STATE_TERMINAL

Fields inherited from interface org.eclipse.gef.RequestConstants

REQ_ADD, REQ_ALIGN, REQ_ALIGN_CHILD, REQ_ALIGN_CHILDREN, REQ_ANCESTOR_DELETED, REQ_CONNECTION_END, REQ_CONNECTION_START, REQ_CREATE, REQ_CREATE_BENDPOINT, REQ_DELETE, REQ_DELETE_BENDPOINT, REQ_DELETE_DEPENDANT, REQ_DIRECT_EDIT, REQ_MOVE, REQ_MOVE_BENDPOINT, REQ_MOVE_CHILD, REQ_MOVE_CHILDREN, REQ_ORPHAN, REQ_ORPHAN_CHILDREN, REQ_RECONNECT_END, REQ_RECONNECT_SOURCE, REQ_RECONNECT_START, REQ_RECONNECT_TARGET, REQ_RESIZE, REQ_RESIZE_CHILD, REQ_RESIZE_CHILDREN, REQ_SELECTION, REQ_SELECTION_HOVER, REQ_SOURCE_DELETED, REQ_TARGET_DELETED

Constructor Summary

ConnectionEndpointTracker(ConnectionEditPart cep)

Method Summary

protected Cursor	calculateCursor() Determines (and returns) the appropriate cursur.
void	commitDrag()
protected Request	createTargetRequest()
void	deactivate() Called when anothre Tool becomes the active tool for the Editor.
protected void	eraseSourceFeedback()
protected String	getCommandName() Returns the name identifier of the command that the tool is currently looking for.
protected Connection	getConnection()
protected ConnectionEditPart	getConnectionEditPart()
protected String	getDebugName() Returns the debug name for this tool.
protected Collection	getExclusionSet() Returns a List of EditParts that should be excluded from the possible Targets for this tools operations Example, when dragging an object, the object should be excluded to prevent you from dropping the object inside itself.
protected boolean	handleButtonUp(int button) Handles the high-level processing of a mouse release.
protected boolean	handleDragInProgress() Handles high-level processing of a mouse drag once the threshold has been passed.
protected boolean	handleDragStarted() Called once when the drag threshold has been passed.
protected boolean	handleKeyDown(KeyEvent e) Handles high-level processing of a key down event.
void	setCommandName(String newCommandName)
void	setConnectionEditPart(ConnectionEditPart cep)
protected void	showSourceFeedback()
protected void	updateTargetRequest()

Methods inherited from class org.eclipse.gef.tools.TargetingTool

eraseTargetFeedback, getCommand, getTargetEditPart, getTargetRequest, handleEnteredEditPart, handleExitingEditPart, handleHoverStop, handleInvalidInput, handleLeavingEditPart, handleViewerExited, isShowingTargetFeedback, isTargetLocked, lockTargetEditPart, setTargetEditPart, setTargetRequest, showTargetFeedback, unlockTargetEditPart, updateTargetUnderMouse

Methods inherited from class org.eclipse.gef.tools.AbstractTool

activate, addFeedback, createOperationSet, debug, executeCurrentCommand, focusGained, focusLost, getCurrentCommand, getCurrentInput, getCurrentViewer, getDebugNameForState, getDefaultCursor, getDisabledCursor, getDomain, getDragMoveDelta, getLocation, getOperationSet, getStartLocation, getState, handleButtonDown, handleDoubleClick, handleDrag, handleFinished, handleFocusGained, handleFocusLost, handleHover, handleKeyUp, handleMove, handleViewerEntered, isActive, isHoverActive, isInState, keyDown, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, movedPastThreshold, reactivate, refreshCursor, releaseToolCapture, removeFeedback, resetFlags, setCurrentCommand, setCursor, setDefaultCursor, setDisabledCursor, setEditDomain, setHoverActive, setStartLocation, setState, setToolCapture, setUnloadWhenFinished, setViewer, stateTransition, unloadWhenFinished, viewerEntered, viewerExited

Methods inherited from class org.eclipse.gef.internal.FlagSupport

getFlag, setFlag

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.gef.Tool

activate, focusGained, focusLost, keyDown, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, setEditDomain, setViewer, viewerEntered, viewerExited

Field Detail

MAX_FLAG

protected static final int MAX_FLAG

Constructor Detail

ConnectionEndpointTracker

public ConnectionEndpointTracker(ConnectionEditPart cep)

Method Detail

calculateCursor

protected Cursor calculateCursor()

Description copied from class: AbstractTool

Determines (and returns) the appropriate cursur.

Overrides:

calculateCursor in class AbstractTool

commitDrag

public void commitDrag()

Specified by:

commitDrag in interface DragTracker

Overrides:

commitDrag in class AbstractTool

createTargetRequest

protected Request createTargetRequest()

Overrides:

createTargetRequest in class TargetingTool

deactivate

public void deactivate()

Description copied from interface: Tool

Called when anothre Tool becomes the active tool for the Editor. implement this method to clean-up any tool state or resources.

Specified by:

deactivate in interface Tool

Overrides:

deactivate in class TargetingTool

Following copied from class: org.eclipse.gef.tools.AbstractTool

See Also:

AbstractTool.activate()

eraseSourceFeedback

protected void eraseSourceFeedback()

getCommandName

protected String getCommandName()

Description copied from class: AbstractTool

Returns the name identifier of the command that the tool is currently looking for.

Overrides:

getCommandName in class AbstractTool

getConnection

protected Connection getConnection()

getConnectionEditPart

protected ConnectionEditPart getConnectionEditPart()

getDebugName

protected String getDebugName()

Description copied from class: AbstractTool

Returns the debug name for this tool.

Overrides:

getDebugName in class AbstractTool

getExclusionSet

protected Collection getExclusionSet()

Description copied from class: TargetingTool

Returns a List of EditParts that should be excluded from the possible Targets for this tools operations Example, when dragging an object, the object should be excluded to prevent you from dropping the object inside itself.

Overrides:

getExclusionSet in class TargetingTool

handleButtonUp

protected boolean handleButtonUp(int button)

Description copied from class: AbstractTool

Handles the high-level processing of a mouse release.

Overrides:

handleButtonUp in class AbstractTool

Following copied from class: org.eclipse.gef.tools.AbstractTool

See Also:

AbstractTool.mouseUp(MouseEvent, EditPartViewer)

handleDragInProgress

protected boolean handleDragInProgress()

Description copied from class: AbstractTool

Handles high-level processing of a mouse drag once the threshold has been passed.

Overrides:

handleDragInProgress in class AbstractTool

Following copied from class: org.eclipse.gef.tools.AbstractTool

See Also:

AbstractTool.movedPastThreshold(), AbstractTool.mouseDrag(MouseEvent, EditPartViewer)

handleDragStarted

protected boolean handleDragStarted()

Description copied from class: AbstractTool

Called once when the drag threshold has been passed.

Overrides:

handleDragStarted in class AbstractTool

Following copied from class: org.eclipse.gef.tools.AbstractTool

See Also:

AbstractTool.movedPastThreshold(), AbstractTool.mouseDrag(MouseEvent, EditPartViewer)

handleKeyDown

protected boolean handleKeyDown(KeyEvent e)

Description copied from class: AbstractTool

Handles high-level processing of a key down event.

Overrides:

handleKeyDown in class AbstractTool

Following copied from class: org.eclipse.gef.tools.AbstractTool

See Also:

AbstractTool.keyDown(KeyEvent, EditPartViewer)

setCommandName

public void setCommandName(String newCommandName)

setConnectionEditPart

public void setConnectionEditPart(ConnectionEditPart cep)

showSourceFeedback

protected void showSourceFeedback()

updateTargetRequest

protected void updateTargetRequest()

Overrides:

updateTargetRequest in class TargetingTool