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Changed the viewer of the Shared Libraries view to TreeViewer.

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This commit is contained in:
Mikhail Khodjaiants 2003-01-21 22:48:37 +00:00
parent fa5b091353
commit 3e5548d32c
4 changed files with 147 additions and 162 deletions
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6
debug/org.eclipse.cdt.debug.ui/ChangeLog
View file

@ -1,3 +1,9 @@
2003-01-21 Mikhail Khodjaiants
Changed the viewer of the Shared Libraries view to TreeViewer.
* SharedLibrariesView.java
* SharedLibrariesViewContentProvider.java
* SharedLibrariesViewEventHandler.java
2003-01-21 Mikhail Khodjaiants
* src/org/eclipse/cdt/debu/internal/ui/CDTDebugModelPresentation.java

50
debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/sharedlibs/SharedLibrariesView.java
View file

@ -7,10 +7,11 @@ package org.eclipse.cdt.debug.internal.ui.views.sharedlibs;
import org.eclipse.cdt.debug.core.ICSharedLibraryManager;
import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandler;
import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandlerView;
import org.eclipse.cdt.debug.internal.ui.views.IDebugExceptionHandler;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IDebugElement;
import org.eclipse.debug.ui.AbstractDebugView;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IDebugUIConstants;
@ -21,7 +22,7 @@ import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
@ -32,61 +33,24 @@ import org.eclipse.ui.IWorkbenchPart;
/**
* Enter type comment.
*
* @since: Jan 16, 2003
* @since: Jan 21, 2003
*/
public class SharedLibrariesView extends AbstractDebugView
public class SharedLibrariesView extends AbstractDebugEventHandlerView
implements ISelectionListener,
IPropertyChangeListener,
IDebugExceptionHandler
{
/**
* Event handler for this view
*/
private SharedLibrariesViewEventHandler fEventHandler;
/**
* The model presentation used as the label provider for the tree viewer.
*/
private IDebugModelPresentation fModelPresentation;
/**
* Sets the event handler for this view
*
* @param eventHandler event handler
*/
protected void setEventHandler( SharedLibrariesViewEventHandler eventHandler )
{
fEventHandler = eventHandler;
}
/**
* Returns the event handler for this view
*
* @return The event handler for this view
*/
protected SharedLibrariesViewEventHandler getEventHandler()
{
return fEventHandler;
}
/**
* @see IWorkbenchPart#dispose()
*/
public void dispose()
{
super.dispose();
if ( getEventHandler() != null )
{
getEventHandler().dispose();
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.AbstractDebugView#createViewer(Composite)
*/
protected Viewer createViewer( Composite parent )
{
TableViewer viewer = new TableViewer( parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL );
TreeViewer viewer = new TreeViewer( parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL );
viewer.setContentProvider( new SharedLibrariesViewContentProvider() );
viewer.setLabelProvider( getModelPresentation() );
@ -200,7 +164,7 @@ public class SharedLibrariesView extends AbstractDebugView
* @param viewer the viewer associated with this view
* @return an event handler
*/
protected SharedLibrariesViewEventHandler createEventHandler( Viewer viewer )
protected AbstractDebugEventHandler createEventHandler( Viewer viewer )
{
return new SharedLibrariesViewEventHandler( this );
}

138
debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/sharedlibs/SharedLibrariesViewContentProvider.java
View file

@ -5,27 +5,102 @@
*/
package org.eclipse.cdt.debug.internal.ui.views.sharedlibs;
import java.util.HashMap;
import org.eclipse.cdt.debug.core.ICSharedLibraryManager;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.cdt.debug.internal.ui.views.IDebugExceptionHandler;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* Enter type comment.
*
* @since: Jan 16, 2003
* @since: Jan 21, 2003
*/
public class SharedLibrariesViewContentProvider implements IStructuredContentProvider
public class SharedLibrariesViewContentProvider implements ITreeContentProvider
{
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(Object)
/**
* A table that maps children to their parent element
* such that this content provider can walk back up the
* parent chain (since values do not know their
* parent).
* Map of <code>IVariable</code> (child) -> <code>IVariable</code> (parent).
*/
public Object[] getElements( Object parent )
private HashMap fParentCache;
/**
* Handler for exceptions as content is retrieved
*/
private IDebugExceptionHandler fExceptionHandler = null;
/**
* Constructor for SharedLibrariesViewContentProvider.
*/
public SharedLibrariesViewContentProvider()
{
fParentCache = new HashMap( 10 );
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(Object)
*/
public Object[] getChildren( Object parent )
{
Object[] children = null;
if ( parent != null && parent instanceof ICSharedLibraryManager )
{
children = ((ICSharedLibraryManager)parent).getSharedLibraries();
}
if ( children != null )
{
cache( parent, children );
return children;
}
return new Object[0];
}
/**
* Caches the given elememts as children of the given
* parent.
*
* @param parent parent element
* @param children children elements
*/
protected void cache( Object parent, Object[] children )
{
for ( int i = 0; i < children.length; i++ )
{
fParentCache.put( children[i], parent );
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(Object)
*/
public Object getParent( Object element )
{
return fParentCache.get( element );
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(Object)
*/
public boolean hasChildren( Object parent )
{
if ( parent != null && parent instanceof ICSharedLibraryManager )
{
return ((ICSharedLibraryManager)parent).getSharedLibraries();
return ( ((ICSharedLibraryManager)parent).getSharedLibraries().length > 0 );
}
return null;
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(Object)
*/
public Object[] getElements( Object inputElement )
{
return getChildren( inputElement );
}
/* (non-Javadoc)
@ -33,6 +108,8 @@ public class SharedLibrariesViewContentProvider implements IStructuredContentPro
*/
public void dispose()
{
fParentCache = null;
setExceptionHandler( null );
}
/* (non-Javadoc)
@ -40,5 +117,50 @@ public class SharedLibrariesViewContentProvider implements IStructuredContentPro
*/
public void inputChanged( Viewer viewer, Object oldInput, Object newInput )
{
clearCache();
}
protected void clearCache()
{
if ( fParentCache != null )
{
fParentCache.clear();
}
}
/**
* Remove the cached parent for the given children
*
* @param children for which to remove cached parents
*/
public void removeCache( Object[] children )
{
if ( fParentCache != null )
{
for ( int i = 0; i < children.length; i++ )
{
fParentCache.remove( children[i] );
}
}
}
/**
* Sets an exception handler for this content provider.
*
* @param handler debug exception handler or <code>null</code>
*/
protected void setExceptionHandler( IDebugExceptionHandler handler )
{
fExceptionHandler = handler;
}
/**
* Returns the exception handler for this content provider.
*
* @return debug exception handler or <code>null</code>
*/
protected IDebugExceptionHandler getExceptionHandler()
{
return fExceptionHandler;
}
}

115
debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/sharedlibs/SharedLibrariesViewEventHandler.java
View file

@ -6,56 +6,25 @@
package org.eclipse.cdt.debug.internal.ui.views.sharedlibs;
import org.eclipse.cdt.debug.core.model.ICSharedLibrary;
import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandler;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IDebugEventSetListener;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.ui.AbstractDebugView;
import org.eclipse.jface.viewers.TableViewer;
/**
* Enter type comment.
*
* @since: Jan 16, 2003
* @since: Jan 21, 2003
*/
public class SharedLibrariesViewEventHandler implements IDebugEventSetListener
public class SharedLibrariesViewEventHandler extends AbstractDebugEventHandler
{
/**
* This event handler's view
*/
private AbstractDebugView fView;
/**
* Constructor for SharedLibrariesViewEventHandler.
* @param view
*/
public SharedLibrariesViewEventHandler( AbstractDebugView view )
{
setView( view );
DebugPlugin.getDefault().addDebugEventListener( this );
}
/**
* @see IDebugEventSetListener#handleDebugEvents(DebugEvent[])
*/
public void handleDebugEvents( final DebugEvent[] events )
{
if ( !isAvailable() )
{
return;
}
Runnable r = new Runnable()
{
public void run()
{
if ( isAvailable() )
{
doHandleDebugEvents( events );
}
}
};
getView().asyncExec( r );
super( view );
}
/* (non-Javadoc)
@ -81,80 +50,4 @@ public class SharedLibrariesViewEventHandler implements IDebugEventSetListener
}
}
}
/**
* Refresh the given element in the viewer - must be called in UI thread.
*/
protected void refresh( Object element )
{
if ( isAvailable() )
{
getView().showViewer();
getTableViewer().refresh( element );
}
}
/**
* Refresh the viewer - must be called in UI thread.
*/
public void refresh()
{
if ( isAvailable() )
{
getView().showViewer();
getTableViewer().refresh();
}
}
/**
* De-registers this event handler from the debug model.
*/
public void dispose()
{
DebugPlugin plugin = DebugPlugin.getDefault();
plugin.removeDebugEventListener( this );
}
/**
* Returns the view this event handler is
* updating.
*
* @return debug view
*/
protected AbstractDebugView getView()
{
return fView;
}
/**
* Sets the view this event handler is updating.
*
* @param view debug view
*/
private void setView( AbstractDebugView view )
{
fView = view;
}
/**
* Returns the viewer this event handler is updating.
*
* @return viewer
*/
protected TableViewer getTableViewer()
{
return (TableViewer)getView().getViewer();
}
/**
* Returns whether this event handler's viewer is
* currently available.
*
* @return whether this event handler's viewer is
* currently available
*/
protected boolean isAvailable()
{
return getView().isAvailable();
}
}