Package org.eclipse.gef.tools
Class ConnectionDragCreationTool
- java.lang.Object
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- org.eclipse.gef.util.FlagSupport
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- org.eclipse.gef.tools.AbstractTool
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- org.eclipse.gef.tools.TargetingTool
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- org.eclipse.gef.tools.AbstractConnectionCreationTool
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- org.eclipse.gef.tools.ConnectionDragCreationTool
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- 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. ANodeEditPart
might return this drag tracker if the mouse is located over an appropriate anchor.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.eclipse.gef.tools.AbstractTool
AbstractTool.Input
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Field Summary
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Fields inherited from class org.eclipse.gef.tools.AbstractConnectionCreationTool
MAX_FLAG, MAX_STATE, STATE_CONNECTION_STARTED
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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
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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
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Constructor Summary
Constructors Constructor Description ConnectionDragCreationTool()
Default constructor.ConnectionDragCreationTool(CreationFactory factory)
Constructs a new ConnectionDragCreationTool with the given factory.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected 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
handleDragStarted()
When the threshold is passed, transition to CONNECTION_STARTED.protected void
handleFinished()
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
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Methods inherited from class org.eclipse.gef.tools.TargetingTool
doAutoexpose, eraseTargetFeedback, getAutoexposeHelper, getCommand, getExclusionSet, getTargetEditPart, getTargetingConditional, getTargetRequest, handleAutoexpose, handleEnteredEditPart, handleExitingEditPart, handleHoverStop, handleLeavingEditPart, handleViewerExited, isShowingTargetFeedback, isTargetLocked, lockTargetEditPart, resetFlags, resetHover, setAutoexposeHelper, setTargetEditPart, setTargetRequest, showTargetFeedback, unlockTargetEditPart, updateAutoexposeHelper, updateTargetUnderMouse
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Methods inherited from class org.eclipse.gef.tools.AbstractTool
acceptArrowKey, 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
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Methods inherited from class org.eclipse.gef.util.FlagSupport
getFlag, setFlag
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.gef.DragTracker
commitDrag
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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
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Constructor Detail
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ConnectionDragCreationTool
public ConnectionDragCreationTool()
Default constructor.
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ConnectionDragCreationTool
public ConnectionDragCreationTool(CreationFactory factory)
Constructs a new ConnectionDragCreationTool with the given factory.- Parameters:
factory
- the creation factory
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Method Detail
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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:
AbstractConnectionCreationTool.handleButtonDown(int)
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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:
AbstractTool.handleButtonUp(int)
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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:
AbstractTool.movedPastThreshold()
,AbstractTool.mouseDrag(MouseEvent, EditPartViewer)
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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:
AbstractTool.handleFinished()
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