org.eclipse.gef.internal.ui.rulers
Class RulerDragTracker

java.lang.Object
  org.eclipse.gef.util.FlagSupport
      org.eclipse.gef.tools.AbstractTool
          org.eclipse.gef.tools.SimpleDragTracker
              org.eclipse.gef.internal.ui.rulers.RulerDragTracker

All Implemented Interfaces:

DragTracker, RequestConstants, Tool

public class RulerDragTracker

extends SimpleDragTracker

Nested Class Summary

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

AbstractTool.Input

Field Summary

protected RulerEditPart

source

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

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_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

Constructor Summary

RulerDragTracker(RulerEditPart source)

Method Summary

protected void	eraseSourceFeedback() Show the source drag feedback for the drag occurring within the viewer.
protected Command	getCommand() Returns a new, updated command based on the tool's current properties.
protected java.lang.String	getCommandName() Returns the identifier of the command that is being sought.
protected int	getCurrentPosition()
protected int	getCurrentPositionZoomed()
protected java.lang.String	getDebugName() Returns the debug name for this tool.
protected org.eclipse.swt.graphics.Cursor	getDefaultCursor() Returns the cursor used under normal conditions.
protected boolean	handleButtonDown(int button) Looks for button 1, and goes into the drag state.
protected boolean	handleButtonUp(int button) If dragging is in progress, cleans up feedback and calls performDrag().
protected boolean	isCreationValid()
protected boolean	isDelete()
protected boolean	movedPastThreshold() Returns true if the threshold has been exceeded during a mouse drag.
protected void	showSourceFeedback() Show the source drag feedback for the drag occurring within the viewer.

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

calculateCursor, commitDrag, createSourceRequest, deactivate, getSourceRequest, handleDragInProgress, handleDragStarted, handleInvalidInput, handleKeyDown, handleKeyUp, isShowingFeedback, performDrag, updateSourceRequest

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

activate, addFeedback, createOperationSet, debug, executeCurrentCommand, focusGained, focusLost, getCurrentCommand, getCurrentInput, getCurrentViewer, getDebugNameForState, getDisabledCursor, getDomain, getDragMoveDelta, getLocation, getOperationSet, getStartLocation, getState, handleCommandStackChanged, handleDoubleClick, handleDrag, handleFinished, handleFocusGained, handleFocusLost, handleHover, handleMove, handleNativeDragFinished, handleNativeDragStarted, handleViewerEntered, handleViewerExited, isActive, isHoverActive, isInState, keyDown, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, nativeDragFinished, nativeDragStarted, 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.util.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, nativeDragFinished, nativeDragStarted, setEditDomain, setViewer, viewerEntered, viewerExited

Field Detail

source

protected RulerEditPart source

Constructor Detail

RulerDragTracker

public RulerDragTracker(RulerEditPart source)

Method Detail

eraseSourceFeedback

protected void eraseSourceFeedback()

Description copied from class: SimpleDragTracker

Show the source drag feedback for the drag occurring within the viewer.

Overrides:

eraseSourceFeedback in class SimpleDragTracker

getCommand

protected Command getCommand()

Description copied from class: AbstractTool

Returns a new, updated command based on the tool's current properties. The default implementation returns an unexecutable command. Some tools do not work commands and the model, but simply change the viewer's state in some way.

Overrides:

getCommand in class AbstractTool

Returns:

a newly obtained command

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

getCurrentPositionZoomed

protected int getCurrentPositionZoomed()

getCurrentPosition

protected int getCurrentPosition()

getDebugName

protected java.lang.String getDebugName()

Description copied from class: AbstractTool

Returns the debug name for this tool.

Specified by:

getDebugName in class AbstractTool

Returns:

the debug name

getDefaultCursor

protected org.eclipse.swt.graphics.Cursor getDefaultCursor()

Description copied from class: AbstractTool

Returns the cursor used under normal conditions.

Overrides:

getDefaultCursor in class AbstractTool

Returns:

the default cursor

See Also:

AbstractTool.setDefaultCursor(Cursor)

handleButtonDown

protected boolean handleButtonDown(int button)

Description copied from class: SimpleDragTracker

Looks for button 1, and goes into the drag state. Any other button is invalid input.

Overrides:

handleButtonDown in class SimpleDragTracker

See Also:

AbstractTool.handleButtonDown(int)

handleButtonUp

protected boolean handleButtonUp(int button)

Description copied from class: SimpleDragTracker

If dragging is in progress, cleans up feedback and calls performDrag().

Overrides:

handleButtonUp in class SimpleDragTracker

See Also:

AbstractTool.handleButtonUp(int)

isCreationValid

protected boolean isCreationValid()

isDelete

protected boolean isDelete()

movedPastThreshold

protected boolean movedPastThreshold()

Description copied from class: AbstractTool

Returns true if the threshold has been exceeded during a mouse drag.

Overrides:

movedPastThreshold in class AbstractTool

Returns:

true if the threshold has been exceeded

showSourceFeedback

protected void showSourceFeedback()

Description copied from class: SimpleDragTracker

Show the source drag feedback for the drag occurring within the viewer.

Overrides:

showSourceFeedback in class SimpleDragTracker