org.eclipse.gef.tools
Class DragTreeItemsTracker

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.DragTreeItemsTracker

All Implemented Interfaces:

DragTracker, RequestConstants, Tool

public class DragTreeItemsTracker

extends SelectEditPartTracker

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

AbstractTool.Input

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

FLAG_SELECTION_PERFORMED, 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

DragTreeItemsTracker(EditPart sourceEditPart)

Method Summary

protected Cursor	calculateCursor() Determines (and returns) the appropriate cursur.
protected Request	createTargetRequest()
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 List	includeChildren(List list)
protected boolean	isMove()
protected void	performSelection()
protected void	updateTargetRequest()

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

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

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

deactivate, eraseTargetFeedback, 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, commitDrag, createOperationSet, debug, executeCurrentCommand, focusGained, focusLost, getCurrentCommand, getCurrentInput, getCurrentViewer, getDebugNameForState, getDefaultCursor, getDisabledCursor, getDomain, getDragMoveDelta, getLocation, getOperationSet, getStartLocation, getState, handleDrag, handleFinished, handleFocusGained, handleFocusLost, handleHover, handleKeyDown, handleKeyUp, 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.DragTracker

commitDrag

Methods inherited from interface org.eclipse.gef.Tool

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

Constructor Detail

DragTreeItemsTracker

public DragTreeItemsTracker(EditPart sourceEditPart)

Method Detail

calculateCursor

protected Cursor calculateCursor()

Description copied from class: AbstractTool

Determines (and returns) the appropriate cursur.

Overrides:

calculateCursor in class SelectEditPartTracker

createTargetRequest

protected Request createTargetRequest()

Overrides:

createTargetRequest in class TargetingTool

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)

includeChildren

protected List includeChildren(List list)

isMove

protected boolean isMove()

performSelection

protected void performSelection()

Overrides:

performSelection in class SelectEditPartTracker

updateTargetRequest

protected void updateTargetRequest()

Overrides:

updateTargetRequest in class TargetingTool