diff options
Diffstat (limited to 'org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/RetargetAction.java')
| -rw-r--r-- | org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/RetargetAction.java | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/RetargetAction.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/RetargetAction.java deleted file mode 100644 index 2c79569a1..000000000 --- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/RetargetAction.java +++ /dev/null @@ -1,287 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 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 - * Wind River Systems - added support for IToggleBreakpointsTargetFactory - *******************************************************************************/ -package org.eclipse.debug.internal.ui.actions; - -import org.eclipse.core.resources.IResource; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IAdaptable; -import org.eclipse.core.runtime.IAdapterManager; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -import org.eclipse.debug.internal.ui.DebugUIPlugin; -import org.eclipse.jface.action.IAction; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jface.viewers.ISelectionProvider; -import org.eclipse.jface.viewers.IStructuredSelection; -import org.eclipse.swt.widgets.Event; -import org.eclipse.ui.IActionDelegate2; -import org.eclipse.ui.IEditorPart; -import org.eclipse.ui.IPartListener; -import org.eclipse.ui.IPartService; -import org.eclipse.ui.IWorkbenchPart; -import org.eclipse.ui.IWorkbenchWindow; -import org.eclipse.ui.IWorkbenchWindowActionDelegate; - -/** - * Global retargettable debug action. - * - * @since 3.0 - */ -public abstract class RetargetAction implements IWorkbenchWindowActionDelegate, IPartListener, IActionDelegate2 { - - protected IWorkbenchWindow fWindow = null; - private IWorkbenchPart fActivePart = null; - private Object fTargetAdapter = null; - private IAction fAction = null; - private static final ISelection EMPTY_SELECTION = new EmptySelection(); - - static class EmptySelection implements ISelection { - - /* (non-Javadoc) - * @see org.eclipse.jface.viewers.ISelection#isEmpty() - */ - public boolean isEmpty() { - return true; - } - } - - /** - * Returns the current selection in the active part, possibly - * and empty selection, but never <code>null</code>. - * - * @return the selection in the active part, possibly empty - */ - protected ISelection getTargetSelection() { - if (fActivePart != null) { - ISelectionProvider selectionProvider = fActivePart.getSite().getSelectionProvider(); - if (selectionProvider != null) { - return selectionProvider.getSelection(); - } - } - return EMPTY_SELECTION; - } - - protected IWorkbenchPart getActivePart() { - return fActivePart; - } - - /* (non-Javadoc) - * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose() - */ - public void dispose() { - fWindow.getPartService().removePartListener(this); - fActivePart = null; - fTargetAdapter = null; - - } - /* (non-Javadoc) - * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow) - */ - public void init(IWorkbenchWindow window) { - this.fWindow = window; - IPartService partService = window.getPartService(); - partService.addPartListener(this); - IWorkbenchPart part = partService.getActivePart(); - if (part != null) { - partActivated(part); - } - } - /* (non-Javadoc) - * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) - */ - public void run(IAction action) { - if (fTargetAdapter != null) { - try { - if (isTargetEnabled()) { - performAction(fTargetAdapter, getTargetSelection(), fActivePart); - } else { - String message = getOperationUnavailableMessage(); - IStatus status = new Status(IStatus.INFO, DebugUIPlugin.getUniqueIdentifier(), message); - DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), DebugUIPlugin.removeAccelerators(action.getText()), message, status); - } - } catch (CoreException e) { - DebugUIPlugin.errorDialog(fWindow.getShell(), ActionMessages.RetargetAction_2, ActionMessages.RetargetAction_3, e.getStatus()); // - } - } - } - - /** - * Returns a message to display when we find that the operation is not enabled - * when invoked in an editor (we check enabled state before running in this case, - * rather than updating on each selection change - see bug 180441). - * - * @return information message when unavailable - */ - protected abstract String getOperationUnavailableMessage(); - - /** - * Performs the specific breakpoint toggling. - * - * @param selection selection in the active part - * @param part active part - * @throws CoreException if an exception occurs - */ - protected abstract void performAction(Object target, ISelection selection, IWorkbenchPart part) throws CoreException; - - /* (non-Javadoc) - * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection) - */ - public void selectionChanged(IAction action, ISelection selection) { - // if the active part did not provide an adapter, see if the selection does - if (fTargetAdapter == null && selection instanceof IStructuredSelection) { - IStructuredSelection ss = (IStructuredSelection) selection; - if (!ss.isEmpty()) { - Object object = ss.getFirstElement(); - if (object instanceof IAdaptable) { - fTargetAdapter = getAdapter((IAdaptable) object); - } - } - } - boolean enabled = fTargetAdapter != null; - if (selection instanceof IStructuredSelection) { - enabled = isTargetEnabled(); - } - action.setEnabled(enabled); - } - - /* (non-Javadoc) - * @see org.eclipse.ui.IPartListener#partActivated(org.eclipse.ui.IWorkbenchPart) - */ - public void partActivated(IWorkbenchPart part) { - fActivePart = part; - IResource resource = (IResource) part.getAdapter(IResource.class); - if (resource == null && part instanceof IEditorPart) { - resource = (IResource) ((IEditorPart)part).getEditorInput().getAdapter(IResource.class); - } - if (resource != null) { - fTargetAdapter = getAdapter(resource); - } - if (fTargetAdapter == null) { - fTargetAdapter = getAdapter(part); - } - if (fAction != null) { - fAction.setEnabled(fTargetAdapter != null); - } - } - - protected Object getAdapter(IAdaptable adaptable) { - Object adapter = adaptable.getAdapter(getAdapterClass()); - if (adapter == null) { - IAdapterManager adapterManager = Platform.getAdapterManager(); - if (adapterManager.hasAdapter(adaptable, getAdapterClass().getName())) { - adapter = adapterManager.loadAdapter(adaptable, getAdapterClass().getName()); - } - } - return adapter; - } - - /** - * Returns the type of adapter (target) this action works on. - * - * @return the type of adapter this action works on - */ - protected abstract Class getAdapterClass(); - - /* (non-Javadoc) - * @see org.eclipse.ui.IPartListener#partBroughtToTop(org.eclipse.ui.IWorkbenchPart) - */ - public void partBroughtToTop(IWorkbenchPart part) { - } - /* (non-Javadoc) - * @see org.eclipse.ui.IPartListener#partClosed(org.eclipse.ui.IWorkbenchPart) - */ - public void partClosed(IWorkbenchPart part) { - clearPart(part); - } - - /** - * Clears reference to active part and adapter when a relevant part - * is closed or no longer active. - * - * @param part workbench part that has been closed or no longer active - */ - protected void clearPart(IWorkbenchPart part) { - if (part.equals(fActivePart)) { - fActivePart = null; - fTargetAdapter = null; - } - } - /* (non-Javadoc) - * @see org.eclipse.ui.IPartListener#partDeactivated(org.eclipse.ui.IWorkbenchPart) - */ - public void partDeactivated(IWorkbenchPart part) { - clearPart(part); - } - /* (non-Javadoc) - * @see org.eclipse.ui.IPartListener#partOpened(org.eclipse.ui.IWorkbenchPart) - */ - public void partOpened(IWorkbenchPart part) { - } - - /** - * Returns whether the target adapter is enabled - * - * @return whether target adapter is enabled - */ - protected boolean isTargetEnabled() { - if (fTargetAdapter != null) { - if (fActivePart != null) { - return canPerformAction(fTargetAdapter, getTargetSelection(), fActivePart); - } - } - return false; - } - - /** - * Returns whether the specific operation is supported. - * - * @param target the target adapter - * @param selection the selection to verify the operation on - * @param part the part the operation has been requested on - * @return whether the operation can be performed - */ - protected abstract boolean canPerformAction(Object target, ISelection selection, IWorkbenchPart part); - - /* (non-Javadoc) - * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction) - */ - public void init(IAction action) { - fAction = action; - } - - /* (non-Javadoc) - * @see org.eclipse.ui.IActionDelegate2#runWithEvent(org.eclipse.jface.action.IAction, org.eclipse.swt.widgets.Event) - */ - public void runWithEvent(IAction action, Event event) { - run(action); - } - - /** - * Returns the proxy to this action delegate or <code>null</code> - * - * @return action proxy or <code>null</code> - */ - protected IAction getAction() { - return fAction; - } - - /** - * Returns whether there is currently a target adapter for this action. - * - * @return whether the action has a target adapter. - */ - protected boolean hasTargetAdapter() { - return fTargetAdapter != null; - } - -} |