diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/DefaultSelectionPolicy.java')
-rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/DefaultSelectionPolicy.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/DefaultSelectionPolicy.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/DefaultSelectionPolicy.java deleted file mode 100644 index a19cf97d2..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/viewers/update/DefaultSelectionPolicy.java +++ /dev/null @@ -1,126 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - * Pawel Piech (Wind River) - added a breadcrumb mode to Debug view (Bug 252677) - *******************************************************************************/ -package org.eclipse.debug.internal.ui.viewers.update; - -import org.eclipse.debug.core.model.IDebugElement; -import org.eclipse.debug.core.model.IStackFrame; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelSelectionPolicy; -import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; -import org.eclipse.debug.ui.IDebugUIConstants; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jface.viewers.IStructuredSelection; -import org.eclipse.jface.viewers.ITreeSelection; -import org.eclipse.jface.viewers.TreePath; -import org.eclipse.jface.viewers.TreeSelection; - -/** - * Default selection policy for the debug view. - * - * @since 3.2 - */ -public class DefaultSelectionPolicy implements IModelSelectionPolicy { - - private IDebugElement fDebugElement; - - /** - * Constructs a new selection policy for the given debug - * element. - * - * @param element - */ - public DefaultSelectionPolicy(IDebugElement element) { - fDebugElement = element; - } - - /* (non-Javadoc) - * @see org.eclipse.debug.ui.viewers.IModelSelectionPolicy#contains(org.eclipse.jface.viewers.ISelection, org.eclipse.debug.ui.viewers.IPresentationContext) - */ - public boolean contains(ISelection selection, IPresentationContext context) { - if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) { - if (selection instanceof IStructuredSelection) { - IStructuredSelection ss = (IStructuredSelection) selection; - Object element = ss.getFirstElement(); - if (element instanceof IDebugElement) { - IDebugElement debugElement = (IDebugElement) element; - return fDebugElement.getDebugTarget().equals(debugElement.getDebugTarget()); - } - } - } - return false; - } - - /* (non-Javadoc) - * @see org.eclipse.debug.ui.viewers.IModelSelectionPolicy#overrides(org.eclipse.jface.viewers.ISelection, org.eclipse.jface.viewers.ISelection, org.eclipse.debug.ui.viewers.IPresentationContext) - */ - public boolean overrides(ISelection existing, ISelection candidate, IPresentationContext context) { - if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) { - if (existing instanceof IStructuredSelection && candidate instanceof IStructuredSelection) { - IStructuredSelection ssExisting = (IStructuredSelection) existing; - IStructuredSelection ssCandidate = (IStructuredSelection) candidate; - return overrides(ssExisting.getFirstElement(), ssCandidate.getFirstElement()); - } - } - return true; - } - - protected boolean overrides(Object existing, Object candidate) { - if (existing == null) { - return true; - } - if (existing.equals(candidate)) { - return true; - } - if (existing instanceof IStackFrame && candidate instanceof IStackFrame) { - IStackFrame curr = (IStackFrame) existing; - IStackFrame next = (IStackFrame) candidate; - return curr.getThread().equals(next.getThread()) || !isSticky(existing); - } - return !isSticky(existing); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.ui.viewers.IModelSelectionPolicy#isSticky(org.eclipse.jface.viewers.ISelection, org.eclipse.debug.ui.viewers.IPresentationContext) - */ - public boolean isSticky(ISelection selection, IPresentationContext context) { - if (IDebugUIConstants.ID_DEBUG_VIEW.equals(context.getId())) { - if (selection instanceof IStructuredSelection) { - return isSticky(((IStructuredSelection)selection).getFirstElement()); - } - } - return false; - } - - protected boolean isSticky(Object element) { - if (element instanceof IStackFrame) { - IStackFrame frame = (IStackFrame) element; - return frame.isSuspended(); - } - return false; - } - - /** - * If an attempt is made to select an invalid element, it usually indicates that the - * currently selected element was removed from the model. Instead of leaving the - * selection empty, attempt to select the parent element instead. - * - * @see org.eclipse.debug.internal.ui.viewers.model.provisional.IModelSelectionPolicy#handleInvalidSelection(org.eclipse.jface.viewers.ISelection, org.eclipse.jface.viewers.ISelection) - */ - public ISelection replaceInvalidSelection(ISelection selection, ISelection newSelection) { - if (selection instanceof ITreeSelection) { - TreePath[] paths = ((ITreeSelection)selection).getPaths(); - if (paths.length > 0 && paths[0].getSegmentCount() > 1) { - return new TreeSelection(paths[0].getParentPath()); - } - } - return newSelection; - } -} |