Package weka.gui.graphvisualizer
Interface LayoutEngine
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- All Known Implementing Classes:
HierarchicalBCEngine
public interface LayoutEngine
This interface class has been added to facilitate the addition of other layout engines to this package. Any class that wants to lay out a graph should implement this interface.- Version:
- $Revision: 1.6 $ - 24 Apr 2003 - Initial version (Ashraf M. Kibriya)
- Author:
- Ashraf M. Kibriya (amk14@cs.waikato.ac.nz)
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
addLayoutCompleteEventListener(LayoutCompleteEventListener e)
This method adds a LayoutCompleteEventListener to the LayoutEngine.void
fireLayoutCompleteEvent(LayoutCompleteEvent e)
This fires a LayoutCompleteEvent once a layout has been completed.javax.swing.JPanel
getControlPanel()
This method returns the extra controls panel for the LayoutEngine, if there is any.FastVector
getNodes()
give access to set of graph nodesjavax.swing.JProgressBar
getProgressBar()
This method returns the progress bar for the LayoutEngine, which shows the progress of the layout process, if it takes a while to layout the graphvoid
layoutGraph()
This method lays out the graph for better visualizationvoid
removeLayoutCompleteEventListener(LayoutCompleteEventListener e)
This method removes a LayoutCompleteEventListener from the LayoutEngine.void
setNodesEdges(FastVector nodes, FastVector edges)
This method sets the nodes and edges vectors of the LayoutEnginevoid
setNodeSize(int nodeWidth, int nodeHeight)
This method sets the allowed size of the node
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Method Detail
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layoutGraph
void layoutGraph()
This method lays out the graph for better visualization
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setNodesEdges
void setNodesEdges(FastVector nodes, FastVector edges)
This method sets the nodes and edges vectors of the LayoutEngine
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setNodeSize
void setNodeSize(int nodeWidth, int nodeHeight)
This method sets the allowed size of the node
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getNodes
FastVector getNodes()
give access to set of graph nodes
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getControlPanel
javax.swing.JPanel getControlPanel()
This method returns the extra controls panel for the LayoutEngine, if there is any.
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getProgressBar
javax.swing.JProgressBar getProgressBar()
This method returns the progress bar for the LayoutEngine, which shows the progress of the layout process, if it takes a while to layout the graph
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addLayoutCompleteEventListener
void addLayoutCompleteEventListener(LayoutCompleteEventListener e)
This method adds a LayoutCompleteEventListener to the LayoutEngine.- Parameters:
e
- - The LayoutCompleteEventListener to add
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removeLayoutCompleteEventListener
void removeLayoutCompleteEventListener(LayoutCompleteEventListener e)
This method removes a LayoutCompleteEventListener from the LayoutEngine.- Parameters:
e
- - The LayoutCompleteEventListener to remove.
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fireLayoutCompleteEvent
void fireLayoutCompleteEvent(LayoutCompleteEvent e)
This fires a LayoutCompleteEvent once a layout has been completed.
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