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

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

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

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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.

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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.

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layoutEditParts

public 
Command layoutEditParts(java.util.List selectedObjects,
                               
IAdaptable layoutHint)

Overrides:

layoutEditParts in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

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createEdgesChangeBoundsCommands

protected 
Command createEdgesChangeBoundsCommands(
DirectedGraph g,
                                                  
Point diff)

Overrides:

createEdgesChangeBoundsCommands in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

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createNodeChangeBoundCommands

protected 
Command createNodeChangeBoundCommands(
DirectedGraph g,
                                                
Point diff)

Overrides:

createNodeChangeBoundCommands in class org.eclipse.gmf.runtime.diagram.ui.providers.internal.DefaultProvider

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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.

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setLayoutDefaultMargin

protected void setLayoutDefaultMargin(int newMargin)

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