y.view.hierarchy
Class HierarchyEditMode

java.lang.Object
  |
  +--y.view.ViewMode
        |
        +--y.view.EditMode
              |
              +--y.view.hierarchy.HierarchyEditMode

All Implemented Interfaces:

EventListener, MouseInputListener, MouseListener, MouseMotionListener

public class HierarchyEditMode

extends EditMode

A specialized EditMode suitable for editing hierarchically organized graphs. This mode uses specialized child modes to provide adequate editing capabilities for grouped graphs.

Field Summary

Fields inherited from class y.view.EditMode

createEdgeMode, hotSpotMode, moveLabelMode, movePortMode, moveSelectionMode, popupMode, pressedNode, selectionBoxMode

Fields inherited from class y.view.ViewMode

lastClickEvent, lastDragEvent, lastPressEvent, lastReleaseEvent, originalX, originalY, view

Constructor Summary

HierarchyEditMode()
Creates a new instance of HierarchyEditMode

Method Summary

protected ViewMode	createCreateEdgeMode() Returns an instance of HierarchyCreateEdgeMode.
protected ViewMode	createHotSpotMode() Returns an instance of HierarchyHotSpotMode.
protected ViewMode	createMoveSelectionMode() Returns an instance of HierarchyMoveSelectionMode.
protected ViewMode	createSelectionBoxMode() Returns an instance of HierarchySelectionBoxMode.
int	getGroupBorderWidth() returns the width the active group node border.
protected boolean	isCreateEdgeGesture(MouseEvent lastPress, MouseEvent lastDrag) Special handling for group nodes.
void	setGroupBorderWidth(int groupBorderWidth) Sets the width of the active group node border.

Methods inherited from class y.view.EditMode

activate, allowBendCreation, allowEdgeCreation, allowMoveSelection, allowMoving, allowNodeCreation, allowResizeNodes, createMoveLabelMode, createMovePortMode, createPopupMode, doAllowBendCreation, doAllowEdgeCreation, doAllowMoveSelection, doAllowMoving, doAllowNodeCreation, doAllowResizeNodes, doShowEdgeTips, doShowNodeTips, getCreateEdgeMode, getEdgeTip, getHotSpotMode, getMoveLabelMode, getMovePortMode, getMoveSelectionMode, getNodeTip, getPopupMode, getSelectionBoxMode, mouseDraggedLeft, mouseMoved, mousePressedLeft, mousePressedRight, mouseReleasedLeft, mouseShiftPressedLeft, mouseShiftReleasedLeft, nodeClicked, nodeCreated, setCreateEdgeMode, setHotSpotMode, setMoveLabelMode, setMovePortMode, setMoveSelectionMode, setPopupMode, setSelectionBoxMode, showEdgeTips, showNodeTips

Methods inherited from class y.view.ViewMode

getGraph2D, getGridX, getGridY, getHitInfo, getHitInfo, getLastHitInfo, getName, init, isGrabFocusEnabled, isGridMode, mouseClicked, mouseClicked, mouseDragged, mouseDraggedMiddle, mouseDraggedRight, mouseEntered, mouseExited, mouseMoved, mousePressed, mousePressedMiddle, mouseReleased, mouseReleased, mouseReleasedMiddle, mouseReleasedRight, mouseShiftPressedMiddle, mouseShiftPressedRight, mouseShiftReleasedMiddle, mouseShiftReleasedRight, reactivateParent, setActiveView, setChild, setChild, setGrabFocusEnabled, setGridMode, setLastHitInfo, setName, setParent, translateX, translateY

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HierarchyEditMode

public HierarchyEditMode()

Creates a new instance of HierarchyEditMode

Method Detail

createHotSpotMode

protected ViewMode createHotSpotMode()

Returns an instance of HierarchyHotSpotMode.

Overrides:

createHotSpotMode in class EditMode

Returns:

a specialized HotSpotMode

createCreateEdgeMode

protected ViewMode createCreateEdgeMode()

Returns an instance of HierarchyCreateEdgeMode.

Overrides:

createCreateEdgeMode in class EditMode

Returns:

a specialized HotSpotMode

createSelectionBoxMode

protected ViewMode createSelectionBoxMode()

Returns an instance of HierarchySelectionBoxMode.

Overrides:

createSelectionBoxMode in class EditMode

Returns:

a specialized HotSpotMode

createMoveSelectionMode

protected ViewMode createMoveSelectionMode()

Returns an instance of HierarchyMoveSelectionMode.

Overrides:

createMoveSelectionMode in class EditMode

Returns:

a specialized HotSpotMode

isCreateEdgeGesture

protected boolean isCreateEdgeGesture(MouseEvent lastPress,
                                      MouseEvent lastDrag)

Special handling for group nodes. As an additional constraint for creating an edge that starts from a group node it is required that the mouse hits the group nodes at its border region. The width of the border region is the value returned by HierarchyEditMode.getGroupBorderWidth().

Overrides:

isCreateEdgeGesture in class EditMode

setGroupBorderWidth

public void setGroupBorderWidth(int groupBorderWidth)

Sets the width of the active group node border. By default the border width is set to 10.

See Also:

HierarchyEditMode.isCreateEdgeGesture(MouseEvent, MouseEvent)

getGroupBorderWidth

public int getGroupBorderWidth()

returns the width the active group node border.

See Also:

HierarchyEditMode.setGroupBorderWidth(int)