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package org.eclipse.team.internal.ccvs.ui.actions;
/*
* (c) Copyright IBM Corp. 2000, 2002.
* All Rights Reserved.
*/
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteFile;
import org.eclipse.team.internal.ccvs.core.ILogEntry;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ccvs.ui.RemoteFileEditorInput;
import org.eclipse.team.internal.ui.actions.TeamAction;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
public class OpenLogEntryAction extends TeamAction {
/**
* Returns the selected remote files
*/
protected ILogEntry[] getSelectedLogEntries() {
ArrayList entries = null;
if (!selection.isEmpty()) {
entries = new ArrayList();
Iterator elements = ((IStructuredSelection) selection).iterator();
while (elements.hasNext()) {
Object next = elements.next();
if (next instanceof ILogEntry) {
entries.add((ILogEntry)next);
continue;
}
if (next instanceof IAdaptable) {
IAdaptable a = (IAdaptable) next;
Object adapter = a.getAdapter(ILogEntry.class);
if (adapter instanceof ILogEntry) {
entries.add(adapter);
continue;
}
}
}
}
if (entries != null && !entries.isEmpty()) {
ILogEntry[] result = new ILogEntry[entries.size()];
entries.toArray(result);
return result;
}
return new ILogEntry[0];
}
/*
* @see IActionDelegate#run(IAction)
*/
public void run(IAction action) {
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException {
IWorkbench workbench = CVSUIPlugin.getPlugin().getWorkbench();
IEditorRegistry registry = workbench.getEditorRegistry();
IWorkbenchPage page = workbench.getActiveWorkbenchWindow().getActivePage();
final ILogEntry[] entries = getSelectedLogEntries();
for (int i = 0; i < entries.length; i++) {
if (entries[i].isDeletion()) {
MessageDialog.openError(getShell(), Policy.bind("OpenLogEntryAction.deletedTitle"), Policy.bind("OpenLogEntryAction.deleted")); //$NON-NLS-1$ //$NON-NLS-2$
} else {
ICVSRemoteFile file = entries[i].getRemoteFile();
String filename = file.getName();
IEditorDescriptor descriptor = registry.getDefaultEditor(filename);
String id;
if (descriptor == null) {
id = "org.eclipse.ui.DefaultTextEditor"; //$NON-NLS-1$
} else {
id = descriptor.getId();
}
try {
page.openEditor(new RemoteFileEditorInput(file), id);
} catch (PartInitException e) {
throw new InvocationTargetException(e);
}
}
}
}
}, Policy.bind("OpenLogEntryAction.open"), PROGRESS_BUSYCURSOR); //$NON-NLS-1$
}
/*
* @see TeamAction#isEnabled()
*/
protected boolean isEnabled() throws TeamException {
ILogEntry[] entries = getSelectedLogEntries();
if (entries.length == 0) return false;
return true;
}
/** (Non-javadoc)
* Method declared on IActionDelegate.
*/
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection) {
this.selection = (IStructuredSelection) selection;
//this action can be invoked by double-click, in which case
//there is no target action
if (action != null) {
try {
action.setEnabled(isEnabled());
} catch (TeamException e) {
action.setEnabled(false);
}
}
}
}
}
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