org.eclipse.gef.tools
Class DragEditPartsTracker

java.lang.Object
  |
  +--org.eclipse.gef.internal.FlagSupport
        |
        +--org.eclipse.gef.tools.AbstractTool
              |
              +--org.eclipse.gef.tools.TargetingTool
                    |
                    +--org.eclipse.gef.tools.SelectEditPartTracker
                          |
                          +--org.eclipse.gef.tools.DragEditPartsTracker

All Implemented Interfaces:

DragTracker, RequestConstants, Tool

public class DragEditPartsTracker

extends SelectEditPartTracker

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.SelectEditPartTracker

FLAG_SELECTION_PERFORMED

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

DragEditPartsTracker(EditPart sourceEditPart)

Method Summary

void	commitDrag()
protected List	createOperationSet() Creates and returns a List of EditParts that the tool will be working with.
protected Request	createTargetRequest()
void	deactivate() Called when anothre Tool becomes the active tool for the Editor.
protected void	eraseSourceFeedback()
protected Command	getCommand() Re-queries the target viewer object for a command
protected String	getCommandName() Returns the name identifier of the command that the tool is currently looking for.
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	handleInvalidInput()
protected boolean	handleKeyDown(KeyEvent e) Handles high-level processing of a key down event.
protected boolean	handleKeyUp(KeyEvent e) Handles high-level processing of a key up event.
protected boolean	isMove()
protected void	performDrag()
protected void	showSourceFeedback()
protected void	updateTargetRequest()

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

calculateCursor, getSourceEditPart, handleButtonDown, handleDoubleClick, handleDragStarted, hasSelectionOccurred, performConditionalSelection, performSelection, resetFlags, setSourceEditPart

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

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

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

activate, addFeedback, debug, executeCurrentCommand, focusGained, focusLost, getCurrentCommand, getCurrentInput, getCurrentViewer, getDebugNameForState, getDefaultCursor, getDisabledCursor, getDomain, getDragMoveDelta, getLocation, getOperationSet, getStartLocation, getState, handleDrag, handleFinished, handleFocusGained, handleFocusLost, handleHover, handleMove, handleViewerEntered, isActive, isHoverActive, isInState, keyDown, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, movedPastThreshold, reactivate, refreshCursor, releaseToolCapture, removeFeedback, 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

DragEditPartsTracker

public DragEditPartsTracker(EditPart sourceEditPart)

Method Detail

commitDrag

public void commitDrag()

Overrides:

commitDrag in class AbstractTool

createOperationSet

protected List createOperationSet()

Description copied from class: AbstractTool

Creates and returns a List of EditParts that the tool will be working with.

Overrides:

createOperationSet 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.

Overrides:

deactivate in class TargetingTool

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

See Also:

AbstractTool.activate()

eraseSourceFeedback

protected void eraseSourceFeedback()

getCommand

protected Command getCommand()

Description copied from class: AbstractTool

Re-queries the target viewer object for a command

Overrides:

getCommand in class TargetingTool

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 SelectEditPartTracker

getDebugName

protected String getDebugName()

Description copied from class: AbstractTool

Returns the debug name for this tool.

Overrides:

getDebugName in class SelectEditPartTracker

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 SelectEditPartTracker

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)

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)

handleKeyUp

protected boolean handleKeyUp(KeyEvent e)

Description copied from class: AbstractTool

Handles high-level processing of a key up event.

Overrides:

handleKeyUp in class AbstractTool

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

See Also:

AbstractTool.keyUp(KeyEvent, EditPartViewer)

handleInvalidInput

protected boolean handleInvalidInput()

Overrides:

handleInvalidInput in class TargetingTool

isMove

protected boolean isMove()

performDrag

protected void performDrag()

showSourceFeedback

protected void showSourceFeedback()

updateTargetRequest

protected void updateTargetRequest()

Overrides:

updateTargetRequest in class TargetingTool