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/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* 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:
* Elliott Baron <ebaron@redhat.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.valgrind.ui;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.model.ISourceLocator;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.sourcelookup.ISourceLookupResult;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.linuxtools.internal.valgrind.core.ValgrindError;
import org.eclipse.linuxtools.internal.valgrind.core.ValgrindStackFrame;
import org.eclipse.linuxtools.profiling.ui.ProfileUIUtils;
import org.eclipse.linuxtools.valgrind.core.IValgrindMessage;
import org.eclipse.linuxtools.valgrind.ui.CollapseAction;
import org.eclipse.linuxtools.valgrind.ui.ExpandAction;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* The inner tree view that holds the output messages to be displayed. Also hold
* double click listeners.
*/
public class CoreMessagesViewer {
static ImageRegistry imageRegistry = new ImageRegistry();
private static final String VALGRIND_ERROR = "Valgrind_Error"; //$NON-NLS-1$
/**
* @since 0.10
*/
private static final String VALGRIND_INFO = "Valgrind_Info"; //$NON-NLS-1$
private static final String VALGRIND_ERROR_IMAGE = "icons/valgrind-error.png"; //$NON-NLS-1$
/**
* @since 0.10
*/
public static final String VALGRIND_INFO_IMAGE = "icons/valgrind-info.png"; //$NON-NLS-1$
private IDoubleClickListener doubleClickListener;
private ITreeContentProvider contentProvider;
private TreeViewer viewer;
/**
* @param parent the parent control
* @param style an SWT style
*/
public CoreMessagesViewer(Composite parent, int style) {
viewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | style);
viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
if (imageRegistry.getDescriptor(VALGRIND_ERROR) == null) {
ImageDescriptor d = AbstractUIPlugin.imageDescriptorFromPlugin(ValgrindUIPlugin.PLUGIN_ID, VALGRIND_ERROR_IMAGE);
if (d != null) {
imageRegistry.put(VALGRIND_ERROR, d);
}
}
if (imageRegistry.getDescriptor(VALGRIND_INFO) == null) {
ImageDescriptor d = AbstractUIPlugin.imageDescriptorFromPlugin(ValgrindUIPlugin.PLUGIN_ID, VALGRIND_INFO_IMAGE);
if (d != null) {
imageRegistry.put(VALGRIND_INFO, d);
}
}
contentProvider = new ITreeContentProvider() {
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof Object[]) {
return (Object[]) parentElement;
}
return ((IValgrindMessage) parentElement).getChildren();
}
@Override
public Object getParent(Object element) {
return ((IValgrindMessage) element).getParent();
}
@Override
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
@Override
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
@Override
public void dispose() {}
@Override
public void inputChanged(Viewer viewer, Object oldInput,
Object newInput) {}
};
viewer.setContentProvider(contentProvider);
viewer.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
return ((IValgrindMessage) element).getText();
}
@Override
public Image getImage(Object element) {
Image image;
if (element instanceof ValgrindStackFrame) {
image = DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_STACKFRAME);
} else if (element instanceof ValgrindError) {
image = imageRegistry.get(VALGRIND_ERROR);
} else {
image = imageRegistry.get(VALGRIND_INFO);
}
return image;
}
});
doubleClickListener = event -> {
Object element = ((TreeSelection) event.getSelection()).getFirstElement();
if (element instanceof ValgrindStackFrame) {
ValgrindStackFrame frame = (ValgrindStackFrame) element;
// locator stored in the frame should be valid for the lifespan of the frame object
ISourceLocator locator = frame.getSourceLocator();
ISourceLookupResult result = DebugUITools.lookupSource(frame.getFile(), locator);
try {
if (result.getSourceElement() != null)
ProfileUIUtils.openEditorAndSelect(result, frame.getLine());
else // if lookup failed there is good chance we can just open the file by name
ProfileUIUtils.openEditorAndSelect(frame.getFile(), frame.getLine(),
ValgrindUIPlugin.getDefault().getProfiledProject());
} catch (BadLocationException | CoreException e) {
ValgrindUIPlugin.log(e);
}
} else {
if (viewer.getExpandedState(element)) {
viewer.collapseToLevel(element, AbstractTreeViewer.ALL_LEVELS);
} else {
viewer.expandToLevel(element, 1);
}
}
};
viewer.addDoubleClickListener(doubleClickListener);
final ExpandAction expandAction = new ExpandAction(viewer);
final CollapseAction collapseAction = new CollapseAction(viewer);
MenuManager manager = new MenuManager();
manager.addMenuListener(manager1 -> {
ITreeSelection selection = (ITreeSelection) viewer.getSelection();
Object element = selection.getFirstElement();
if (contentProvider.hasChildren(element)) {
manager1.add(expandAction);
manager1.add(collapseAction);
}
});
manager.setRemoveAllWhenShown(true);
Menu contextMenu = manager.createContextMenu(viewer.getTree());
viewer.getControl().setMenu(contextMenu);
}
/**
* @return the double click listener
*/
public IDoubleClickListener getDoubleClickListener() {
return doubleClickListener;
}
/**
* @return the tree viewer
*/
public TreeViewer getTreeViewer() {
return viewer;
}
}
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