Runtime

org.eclipse.gmf.runtime.diagram.ui.providers
Class TopDownProvider

java.lang.Object
  extended by AbstractLayoutEditPartProvider
      extended by org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
          extended by org.eclipse.gmf.runtime.diagram.ui.providers.TopDownProvider

public class TopDownProvider
extends org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider


Field Summary
 
Fields inherited from class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
layoutDefaultMargin, MAX_EDGE_PADDING, MIN_EDGE_END_POINTS_PADDING, MIN_EDGE_PADDING, minX, minY, mm, NODE_PADDING
 
Constructor Summary
TopDownProvider()
           
 
Method Summary
protected  Command createEdgesChangeBoundsCommands(DirectedGraph g, Point diff)
           
protected  Command createNodeChangeBoundCommands(DirectedGraph g, Point diff)
           
protected  Rectangle getNodeMetrics(Node n)
          getNodeMetrics Retrieves the node extend and position from the node object.
 Command layoutEditParts(java.util.List selectedObjects, IAdaptable layoutHint)
           
protected  void setLayoutDefaultMargin(int newMargin)
           
protected  Rectangle translateFromGraph(Rectangle rect)
          Retrieves the logical extent and position from the given rectangle.
protected  Rectangle translateToGraph(Rectangle r)
          Retrieves the extent and position from the given logical rectangle in GEF graph coordinates.
 
Methods inherited from class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
addAnchorsCommands, build_borderNodes, build_edges, build_graph, build_nodes, canCreateBorderNode, createGraph, createGraphLayout, createSubCommands, getMapMode, getRelevantConnections, initializeEdge, layoutEditParts, layoutTopDown, postProcessGraph, provides, routeThrough, setNodeMetrics, shouldHandleConnectableListItems, supportsBorderNodes, update_diagram
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TopDownProvider

public TopDownProvider()
Method Detail

translateToGraph

protected Rectangle translateToGraph(Rectangle r)
Description copied from class: org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
Retrieves the extent and position from the given logical rectangle in GEF graph coordinates. Defined as abstract to allow subclasses to implement to perform a transformation on the values stored in the node. i.e. support for Left-Right layout as opposed to Top-Down.

Specified by:
translateToGraph in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
Returns:
Rectangle in graph coordinates.

translateFromGraph

protected Rectangle translateFromGraph(Rectangle rect)
Description copied from class: org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
Retrieves the logical extent and position from the given rectangle. Defined as abstract to allow subclasses to implement to perform a transformation on the values stored in the node. i.e. support for Left-Right layout as opposed to Top-Down.

Specified by:
translateFromGraph in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
Parameters:
rect - Rectangle that has the values to be translated in graph (pixel) coordinates.
Returns:
Rectangle in logical coordinates.

layoutEditParts

public Command layoutEditParts(java.util.List selectedObjects,
                               IAdaptable layoutHint)
Overrides:
layoutEditParts in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

createEdgesChangeBoundsCommands

protected Command createEdgesChangeBoundsCommands(DirectedGraph g,
                                                  Point diff)
Overrides:
createEdgesChangeBoundsCommands in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

createNodeChangeBoundCommands

protected Command createNodeChangeBoundCommands(DirectedGraph g,
                                                Point diff)
Overrides:
createNodeChangeBoundCommands in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

getNodeMetrics

protected Rectangle getNodeMetrics(Node n)
Description copied from class: org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
getNodeMetrics Retrieves the node extend and position from the node object. Defined as abstract to allow subclasses to implement to perform a transformation on the values stored in the node. i.e. support for Left-Right layout as opposed to Top-Down.

Overrides:
getNodeMetrics in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider
Parameters:
n - Node that has the metrics values to be retrieved.
Returns:
Rectangle that represents the location and extend of the Node.

setLayoutDefaultMargin

protected void setLayoutDefaultMargin(int newMargin)

Runtime

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