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/*******************************************************************************
* Copyright (c) 2004, 2006 QNX Software Systems 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:
* QNX Software Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.browser.opentype;
import org.eclipse.cdt.core.browser.AllTypesCache;
import org.eclipse.cdt.core.browser.ITypeInfo;
import org.eclipse.cdt.core.browser.ITypeReference;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.core.resources.FileStorage;
import org.eclipse.cdt.internal.ui.util.EditorUtility;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.texteditor.ITextEditor;
public class OpenTypeAction implements IWorkbenchWindowActionDelegate {
public OpenTypeAction() {
super();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
ITypeInfo[] elements = AllTypesCache.getAllTypes();
if (elements.length == 0) {
String title = OpenTypeMessages.getString("OpenTypeAction.notypes.title"); //$NON-NLS-1$
String message = OpenTypeMessages.getString("OpenTypeAction.notypes.message"); //$NON-NLS-1$
MessageDialog.openInformation(getShell(), title, message);
return;
}
OpenTypeDialog dialog = new OpenTypeDialog(getShell());
dialog.setElements(elements);
int result = dialog.open();
if (result != IDialogConstants.OK_ID)
return;
ITypeInfo info = (ITypeInfo) dialog.getFirstResult();
if (info == null)
return;
ITypeReference location = info.getResolvedReference();
if (location == null) {
// could not resolve location
String title = OpenTypeMessages.getString("OpenTypeAction.errorTitle"); //$NON-NLS-1$
String message = OpenTypeMessages.getFormattedString("OpenTypeAction.errorTypeNotFound", info.getQualifiedTypeName().toString()); //$NON-NLS-1$
MessageDialog.openError(getShell(), title, message);
} else if (!openTypeInEditor(location)) {
// error opening editor
String title = OpenTypeMessages.getString("OpenTypeAction.errorTitle"); //$NON-NLS-1$
String message = OpenTypeMessages.getFormattedString("OpenTypeAction.errorOpenEditor", location.getPath().toString()); //$NON-NLS-1$
MessageDialog.openError(getShell(), title, message);
}
}
protected Shell getShell() {
return CUIPlugin.getActiveWorkbenchShell();
}
/**
* Opens an editor and displays the selected type.
*
* @param info Type to display.
* @return true if succesfully displayed.
*/
private boolean openTypeInEditor(ITypeReference location) {
ITranslationUnit unit = location.getTranslationUnit();
IEditorPart editorPart = null;
try {
if (unit != null)
editorPart = EditorUtility.openInEditor(unit);
if (editorPart == null) {
// open as external file
IPath path = location.getLocation();
if (path != null) {
IStorage storage = new FileStorage(path);
editorPart = EditorUtility.openInEditor(storage);
}
}
// highlight the type in the editor
if (editorPart != null && editorPart instanceof ITextEditor) {
ITextEditor editor = (ITextEditor) editorPart;
if( location.isLineNumber() )
{
IDocument document= editor.getDocumentProvider().getDocument(editor.getEditorInput());
try
{
int startOffset = document.getLineOffset(location.getOffset()-1);
int length=document.getLineLength(location.getOffset()-1);
editor.selectAndReveal(startOffset, length);
return true;
}
catch( BadLocationException ble )
{
return false;
}
}
editor.selectAndReveal(location.getOffset(), location.getLength());
return true;
}
} catch (CModelException ex) {
ex.printStackTrace();
return false;
} catch (PartInitException ex) {
ex.printStackTrace();
return false;
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
}
/*
* (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) {
}
}
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