Package org.eclipse.gef.tools
Class ConnectionDragCreationTool
java.lang.Object
org.eclipse.gef.util.FlagSupport
org.eclipse.gef.tools.AbstractTool
org.eclipse.gef.tools.TargetingTool
org.eclipse.gef.tools.AbstractConnectionCreationTool
org.eclipse.gef.tools.ConnectionDragCreationTool
- All Implemented Interfaces:
DragTracker
,RequestConstants
,Tool
public class ConnectionDragCreationTool
extends AbstractConnectionCreationTool
implements DragTracker
A connection creation tool that implements DragTracker. Using this tool,
connections are created by clicking on the source edit part, dragging the
mouse to the target edit part and releasing the mouse. A
NodeEditPart
might return this drag tracker if the
mouse is located over an appropriate anchor.-
Nested Class Summary
Nested classes/interfaces inherited from class org.eclipse.gef.tools.AbstractTool
AbstractTool.Input
-
Field Summary
Fields inherited from class org.eclipse.gef.tools.AbstractConnectionCreationTool
MAX_FLAG, MAX_STATE, STATE_CONNECTION_STARTED
Fields inherited from class org.eclipse.gef.tools.AbstractTool
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
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
ConstructorsConstructorDescriptionDefault constructor.Constructs a new ConnectionDragCreationTool with the given factory. -
Method Summary
Modifier and TypeMethodDescriptionprotected boolean
handleButtonDown
(int button) Calls super and sets the current state toAbstractTool.STATE_DRAG
.protected boolean
handleButtonUp
(int button) If the connection has started, the button up event attempts to complete the connection.protected boolean
When the threshold is passed, transition to CONNECTION_STARTED.protected void
Overridden so that nothing happens when this tool is used as a tracker.Methods inherited from class org.eclipse.gef.tools.AbstractConnectionCreationTool
calculateCursor, createTargetRequest, deactivate, eraseSourceFeedback, getCommandName, getDebugName, getDebugNameForState, getFactory, getSourceRequest, handleCommandStackChanged, handleCreateConnection, handleDrag, handleDragInProgress, handleFocusLost, handleHover, handleInvalidInput, handleMove, handleSourceDeactivated, isShowingSourceFeedback, setConnectionSource, setFactory, showSourceFeedback, updateTargetRequest
Methods inherited from class org.eclipse.gef.tools.TargetingTool
doAutoexpose, eraseTargetFeedback, getAutoexposeHelper, getCommand, getDirection, getExclusionSet, getTargetEditPart, getTargetingConditional, getTargetRequest, handleAutoexpose, handleEnteredEditPart, handleExitingEditPart, handleHoverStop, handleLeavingEditPart, handleViewerExited, isShowingTargetFeedback, isTargetLocked, lockTargetEditPart, resetFlags, resetHover, setAutoexposeHelper, setTargetEditPart, setTargetRequest, showTargetFeedback, unlockTargetEditPart, updateAutoexposeHelper, updateTargetUnderMouse
Methods inherited from class org.eclipse.gef.tools.AbstractTool
acceptArrowKey, accGetStep, accStepIncrement, accStepReset, activate, addFeedback, applyProperty, commitDrag, createOperationSet, debug, executeCommand, executeCurrentCommand, focusGained, focusLost, getCurrentCommand, getCurrentInput, getCurrentViewer, getDefaultCursor, getDisabledCursor, getDomain, getDragMoveDelta, getLocation, getOperationSet, getStartLocation, getState, handleDoubleClick, handleFocusGained, handleKeyDown, handleKeyTraversed, handleKeyUp, 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
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.DragTracker
commitDrag
Methods inherited from interface org.eclipse.gef.Tool
activate, deactivate, focusGained, focusLost, keyDown, keyTraversed, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, mouseWheelScrolled, nativeDragFinished, nativeDragStarted, setEditDomain, setProperties, setViewer, viewerEntered, viewerExited
-
Constructor Details
-
ConnectionDragCreationTool
public ConnectionDragCreationTool()Default constructor. -
ConnectionDragCreationTool
Constructs a new ConnectionDragCreationTool with the given factory.- Parameters:
factory
- the creation factory
-
-
Method Details
-
handleButtonDown
protected boolean handleButtonDown(int button) Calls super and sets the current state toAbstractTool.STATE_DRAG
.- Overrides:
handleButtonDown
in classAbstractConnectionCreationTool
- Parameters:
button
- which button is pressed- Returns:
true
if the button down was processed- See Also:
-
handleButtonUp
protected boolean handleButtonUp(int button) If the connection has started, the button up event attempts to complete the connection.- Overrides:
handleButtonUp
in classAbstractConnectionCreationTool
- Parameters:
button
- the button that was released- Returns:
true
if this button up event was processed- See Also:
-
handleDragStarted
protected boolean handleDragStarted()When the threshold is passed, transition to CONNECTION_STARTED.- Overrides:
handleDragStarted
in classAbstractTool
- Returns:
true
if the state transition completed successfully- See Also:
-
handleFinished
protected void handleFinished()Overridden so that nothing happens when this tool is used as a tracker. If it is the primary tool, then this method behaves normally.- Overrides:
handleFinished
in classAbstractTool
- See Also:
-