Implementation of the "Clear" action for the memory view.

debug/org.eclipse.cdt.debug.ui/ChangeLog

@@ -1,3 +1,11 @@
+2002-10-21 Mikhail Khodjaiants
+	Implementation of the "Clear" action for the memory view.
+	* ClearMemoryAction.java
+	* ICDebugHelpContextIds.java
+	* MemoryControlArea.java
+	* MemoryView.java
+	* MemoryViewer.java
+
 2002-10-21 Mikhail Khodjaiants
 	Implementation of the "Auto-Refresh" and "Refresh" actions for the memory view.
 	* AutoRefreshMemoryAction.java

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/ICDebugHelpContextIds.java

@@ -27,6 +27,7 @@ public interface ICDebugHelpContextIds
 	public static final String SHOW_TYPES_ACTION = PREFIX + "show_types_action_context"; //$NON-NLS-1$
 	public static final String REFRESH_MEMORY_ACTION = PREFIX + "refresh_memory_action_context"; //$NON-NLS-1$
 	public static final String AUTO_REFRESH_MEMORY_ACTION = PREFIX + "auto_refresh_memory_action_context"; //$NON-NLS-1$
+	public static final String MEMORY_CLEAR_ACTION = PREFIX + "memory_clear_action_context"; //$NON-NLS-1$
 
 	// Views
 	public static final String REGISTERS_VIEW = PREFIX + "registers_view_context"; //$NON-NLS-1$

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/ClearMemoryAction.java

@@ -0,0 +1,54 @@
+/*
+ *(c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ * 
+ */
+package org.eclipse.cdt.debug.internal.ui.actions;
+
+import org.eclipse.cdt.debug.internal.ui.CDebugImages;
+import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
+import org.eclipse.cdt.debug.internal.ui.views.memory.MemoryViewer;
+import org.eclipse.ui.actions.SelectionProviderAction;
+import org.eclipse.ui.help.WorkbenchHelp;
+import org.eclipse.ui.texteditor.IUpdate;
+
+/**
+ * Enter type comment.
+ * 
+ * @since: Oct 21, 2002
+ */
+public class ClearMemoryAction extends SelectionProviderAction implements IUpdate
+{
+	private MemoryViewer fMemoryViewer;
+
+	/**
+	 * Constructor for ClearMemoryAction.
+	 * @param provider
+	 * @param text
+	 */
+	public ClearMemoryAction( MemoryViewer viewer )
+	{
+		super( viewer, "Clear" );
+		fMemoryViewer = viewer;
+		CDebugImages.setLocalImageDescriptors( this, CDebugImages.IMG_LCL_MEMORY_CLEAR );
+		setDescription( "Clear Memory Block" );
+		setToolTipText( "Clear" );
+		WorkbenchHelp.setHelp( this, ICDebugHelpContextIds.MEMORY_CLEAR_ACTION );
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.texteditor.IUpdate#update()
+	 */
+	public void update()
+	{
+		setEnabled( fMemoryViewer.canUpdate() );
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.action.IAction#run()
+	 */
+	public void run()
+	{
+		fMemoryViewer.clear();
+	}
+}

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryControlArea.java

@@ -331,4 +331,10 @@ public class MemoryControlArea extends Composite
 	{
 		return fMemoryText;
 	}
+	
+	protected void clear()
+	{
+		fAddressText.setText( "" );
+		handleAddressEnter();
+	}
 }

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryView.java

@@ -8,6 +8,7 @@ package org.eclipse.cdt.debug.internal.ui.views.memory;
 import org.eclipse.cdt.debug.core.ICMemoryManager;
 import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
 import org.eclipse.cdt.debug.internal.ui.actions.AutoRefreshMemoryAction;
+import org.eclipse.cdt.debug.internal.ui.actions.ClearMemoryAction;
 import org.eclipse.cdt.debug.internal.ui.actions.RefreshMemoryAction;
 import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandler;
 import org.eclipse.cdt.debug.internal.ui.views.AbstractDebugEventHandlerView;
@@ -80,6 +81,11 @@ public class MemoryView extends AbstractDebugEventHandlerView
 		setAction( "AutoRefreshMemory", action ); //$NON-NLS-1$
 		add( (AutoRefreshMemoryAction)action );
 
+		action = new ClearMemoryAction( (MemoryViewer)getViewer() );
+		action.setEnabled( false );
+		setAction( "ClearMemory", action ); //$NON-NLS-1$
+		add( (ClearMemoryAction)action );
+
 		// set initial content here, as viewer has to be set
 		setInitialContent();
 	}
@@ -101,6 +107,7 @@ public class MemoryView extends AbstractDebugEventHandlerView
 		menu.add( new Separator( ICDebugUIConstants.MEMORY_GROUP ) );
 		menu.add( getAction( "AutoRefreshMemory" ) ); //$NON-NLS-1$
 		menu.add( getAction( "RefreshMemory" ) ); //$NON-NLS-1$
+		menu.add( getAction( "ClearMemory" ) ); //$NON-NLS-1$
 
 		menu.add( new Separator( IWorkbenchActionConstants.MB_ADDITIONS ) );
 	}
@@ -114,6 +121,7 @@ public class MemoryView extends AbstractDebugEventHandlerView
 		tbm.add( new Separator( ICDebugUIConstants.MEMORY_GROUP ) );
 		tbm.add( getAction( "AutoRefreshMemory" ) ); //$NON-NLS-1$
 		tbm.add( getAction( "RefreshMemory" ) ); //$NON-NLS-1$
+		tbm.add( getAction( "ClearMemory" ) ); //$NON-NLS-1$
 	}
 
 	/* (non-Javadoc)
@@ -150,6 +158,7 @@ public class MemoryView extends AbstractDebugEventHandlerView
 	 */
 	public void dispose()
 	{
+		remove( (ClearMemoryAction)getAction( "ClearMemory" ) );
 		remove( (RefreshMemoryAction)getAction( "RefreshMemory" ) );
 		remove( (AutoRefreshMemoryAction)getAction( "AutoRefreshMemory" ) );
 		getSite().getPage().removeSelectionListener( IDebugUIConstants.ID_DEBUG_VIEW, this );

debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/views/memory/MemoryViewer.java

@@ -182,4 +182,9 @@ public class MemoryViewer extends ContentViewer
 			block.setFrozen( frozen );
 		}
 	}
+	
+	public void clear()
+	{
+		((MemoryControlArea)fTabFolder.getSelection().getControl()).clear();
+	}
 }