com.jgraph.pad.factory
Class JGraphpadLibraryPane.LibraryTracker

java.lang.Object
  com.jgraph.pad.util.JGraphpadTreeModelAdapter
      com.jgraph.pad.factory.JGraphpadLibraryPane.LibraryTracker

All Implemented Interfaces:

EventListener, TreeModelListener

Enclosing class:

JGraphpadLibraryPane

public static class JGraphpadLibraryPane.LibraryTracker

extends JGraphpadTreeModelAdapter

Utility class to establish a listener in a editor's document model and update the library panes in a tabbed pane.

Field Summary

protected JGraphEditor	editor References the enclosing editor.
protected JTabbedPane	tabPane References the tabbed pane to be updated.
protected Map	tabs Holds library, component pairs to find the respective tabs.

Constructor Summary

JGraphpadLibraryPane.LibraryTracker(JTabbedPane tabPane, JGraphEditor editor)
Constructs a new library tracker for updating the specified tabPane using factory to create required components.

Method Summary

protected String	getTitle(JGraphpadLibrary library) Hook for subclassers to return the tab title to be used for the specified library.
void	treeNodesChanged(TreeModelEvent arg0) Calls updateTabTitle(JGraphpadLibrary) for all libraries that have changed in the tree.
void	treeNodesInserted(TreeModelEvent arg0) Creates a new JGraphpadLibraryPane, wraps it up in a scroll pane using JGraphEditorFactory.createScrollPane(Component) and adds it as a tab to tabPane using the library's toString method to set the tab's title.
void	treeNodesRemoved(TreeModelEvent arg0) Removes the tabs for the removed libraries from the tab pane.
protected void	updateTabTitle(JGraphpadLibrary library) Invoked to update the title for the tab of the specified library.

Methods inherited from class com.jgraph.pad.util.JGraphpadTreeModelAdapter

treeStructureChanged

Methods inherited from class java.lang.Object

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

Field Detail

editor

protected JGraphEditor editor

References the enclosing editor.

tabPane

protected JTabbedPane tabPane

References the tabbed pane to be updated.

tabs

protected Map tabs

Holds library, component pairs to find the respective tabs.

Constructor Detail

JGraphpadLibraryPane.LibraryTracker

public JGraphpadLibraryPane.LibraryTracker(JTabbedPane tabPane,
                                           JGraphEditor editor)

Constructs a new library tracker for updating the specified tabPane using factory to create required components. The library tracker must be added as a tree model listener to an editor's document model.

Parameters:

tabPane - The pane to be updated on document model changes.

editor - The enclosing editor.

Method Detail

treeNodesInserted

public void treeNodesInserted(TreeModelEvent arg0)

Creates a new JGraphpadLibraryPane, wraps it up in a scroll pane using JGraphEditorFactory.createScrollPane(Component) and adds it as a tab to tabPane using the library's toString method to set the tab's title.

Specified by:

treeNodesInserted in interface TreeModelListener

Overrides:

treeNodesInserted in class JGraphpadTreeModelAdapter

Parameters:

arg0 - The object that describes the event.

treeNodesRemoved

public void treeNodesRemoved(TreeModelEvent arg0)

Removes the tabs for the removed libraries from the tab pane.

Specified by:

treeNodesRemoved in interface TreeModelListener

Overrides:

treeNodesRemoved in class JGraphpadTreeModelAdapter

treeNodesChanged

public void treeNodesChanged(TreeModelEvent arg0)

Calls updateTabTitle(JGraphpadLibrary) for all libraries that have changed in the tree.

Specified by:

treeNodesChanged in interface TreeModelListener

Overrides:

treeNodesChanged in class JGraphpadTreeModelAdapter

Parameters:

arg0 - The object that describes the event.

updateTabTitle

protected void updateTabTitle(JGraphpadLibrary library)

Invoked to update the title for the tab of the specified library.

Parameters:

library - The library who's title needs to be updated.

getTitle

protected String getTitle(JGraphpadLibrary library)

Hook for subclassers to return the tab title to be used for the specified library. This implementation returns the filename-part of a path.

Parameters:

library - The library to return the title for.

Returns:

Returns a title for library.