Package org.eclipse.gef.tools
Class ConnectionCreationTool
- 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.ConnectionCreationTool
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- All Implemented Interfaces:
RequestConstants
,Tool
public class ConnectionCreationTool extends AbstractConnectionCreationTool
The default creation tool for connections. With this tool, the user must click and release the left mouse button on the source edit part and then click and release the left mouse button on the target edit part. By default, this tool will remain active after connections are created. The user must select a different tool to deactivate this tool.
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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 ConnectionCreationTool()
Default Constructor.ConnectionCreationTool(CreationFactory factory)
Constructs a new ConnectionCreationTool 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)
If the connections is already started, the second button down will callAbstractConnectionCreationTool.handleCreateConnection()
.protected boolean
handleFocusLost()
Cleans up feedback and resets the tool when focus is lost.protected boolean
handleKeyDown(KeyEvent event)
Processes the arrow keys (to move the cursor to nearby anchor locations) and the enter key (to start or complete a connections).void
mouseWheelScrolled(Event event, EditPartViewer viewer)
Scrolling can happen either in theinitial
state or once the source of the connection has beenidentified
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Methods inherited from class org.eclipse.gef.tools.AbstractConnectionCreationTool
calculateCursor, createTargetRequest, deactivate, eraseSourceFeedback, getCommandName, getDebugName, getDebugNameForState, getFactory, getSourceRequest, handleButtonUp, handleCommandStackChanged, handleCreateConnection, handleDrag, handleDragInProgress, 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, handleDragStarted, handleFinished, handleFocusGained, handleKeyTraversed, handleKeyUp, handleNativeDragFinished, handleNativeDragStarted, handleViewerEntered, isActive, isHoverActive, isInState, isViewerImportant, keyDown, keyTraversed, keyUp, mouseDoubleClick, mouseDown, mouseDrag, mouseHover, mouseMove, mouseUp, 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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Constructor Detail
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ConnectionCreationTool
public ConnectionCreationTool()
Default Constructor.
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ConnectionCreationTool
public ConnectionCreationTool(CreationFactory factory)
Constructs a new ConnectionCreationTool 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)
If the connections is already started, the second button down will callAbstractConnectionCreationTool.handleCreateConnection()
. Otherwise, it attempts to start the connection.- Overrides:
handleButtonDown
in classAbstractConnectionCreationTool
- Parameters:
button
- the button that was pressed- Returns:
true
if the button down was processed- See Also:
AbstractTool.handleButtonDown(int)
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handleFocusLost
protected boolean handleFocusLost()
Cleans up feedback and resets the tool when focus is lost.- Overrides:
handleFocusLost
in classAbstractConnectionCreationTool
- Returns:
true
if this focus lost event was processed- See Also:
AbstractTool.handleFocusLost()
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handleKeyDown
protected boolean handleKeyDown(KeyEvent event)
Processes the arrow keys (to move the cursor to nearby anchor locations) and the enter key (to start or complete a connections).- Overrides:
handleKeyDown
in classAbstractTool
- Parameters:
event
- the key event- Returns:
true
if this key down event was processed- See Also:
AbstractTool.keyDown(KeyEvent, EditPartViewer)
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mouseWheelScrolled
public void mouseWheelScrolled(Event event, EditPartViewer viewer)
Scrolling can happen either in theinitial
state or once the source of the connection has beenidentified
.- Specified by:
mouseWheelScrolled
in interfaceTool
- Overrides:
mouseWheelScrolled
in classAbstractTool
- Parameters:
event
- the SWT scroll eventviewer
- the originating viewer- See Also:
Tool.mouseWheelScrolled(org.eclipse.swt.widgets.Event, org.eclipse.gef.EditPartViewer)
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