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/*****************************************************************************
* Copyright (c) 2014 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.dev.types.view;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.Platform;
import org.eclipse.gmf.runtime.emf.type.core.IClientContext;
import org.eclipse.gmf.runtime.emf.type.core.NullElementType;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.papyrus.dev.types.Activator;
import org.eclipse.papyrus.dev.types.providers.TypesEventContentProvider;
import org.eclipse.papyrus.dev.types.providers.TypesEventLabelProvider;
import org.eclipse.papyrus.dev.types.utils.ElementTypeRegistryUtils;
import org.eclipse.papyrus.dev.types.utils.TypesEventPrinter;
import org.eclipse.papyrus.dev.types.utils.NotifierNullEditHelper;
import org.eclipse.papyrus.infra.types.core.notification.TypesEventsChain;
import org.eclipse.papyrus.infra.types.core.notification.TypesListenersRegistry;
import org.eclipse.papyrus.infra.types.core.notification.ITypesEventsChainListener;
import org.eclipse.papyrus.infra.types.core.notification.events.ITypesEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.FilteredTree;
import org.eclipse.ui.dialogs.PatternFilter;
import org.eclipse.ui.part.ViewPart;
public class TypesConfigurationsListenerView extends ViewPart {
IClientContext context = null;
FilteredTree tree = null;
SashForm sash = null;
Browser browser = null;
ITypesEventsChainListener listener = null;
Text limitText = null;
List<TypesEventsChain> eventsChains = new ArrayList<TypesEventsChain>();
final private int MAX_SIZE = 1000;
@Override
public void createPartControl(Composite parent) {
parent.setLayout(new GridLayout(3, true));
Button startButton = new Button(parent, SWT.NONE);
startButton.setText("Start");
startButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseUp(MouseEvent e) {
if (!Platform.inDebugMode()) {
MessageDialog.openInformation(Display.getCurrent().getActiveShell(), "Debug mode", "You must activate debug mode to be able to use this view. ");
}
// Dirty work to force the NullElementType edithelper if in debug mode
if (Platform.inDebugMode()) {
Field nullElementTypeEditHelperField = ElementTypeRegistryUtils.getNullElementTypeEditHelper();
if (nullElementTypeEditHelperField != null) {
// Register fake
try {
nullElementTypeEditHelperField.set(NullElementType.getInstance(), new NotifierNullEditHelper());
} catch (IllegalArgumentException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IllegalAccessException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} else {
Activator.log.warn("Failed to override NullElementType's EditHelper");
}
MessageDialog.openInformation(Display.getCurrent().getActiveShell(), "Debug mode", "Be careful, as the platform is in debug mode, the NullElementType's EditHelper has been overriden");
}
if (listener == null) {
listener = new ITypesEventsChainListener() {
@Override
public void notifyChain(TypesEventsChain chain) {
int limit;
String text = limitText.getText();
try {
limit = Integer.parseInt(text);
} catch (NumberFormatException e) {
limit = MAX_SIZE;
}
if (eventsChains.size() >= limit) {
eventsChains.remove(0);
}
eventsChains.add(chain);
Display.getCurrent().asyncExec(new Runnable() {
@Override
public void run() {
tree.getViewer().refresh();
}
});
}
};
TypesListenersRegistry.getInstance().addEventChainListener(listener);
}
}
});
startButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
Button stopButton = new Button(parent, SWT.NONE);
stopButton.setText("Stop");
stopButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseUp(MouseEvent e) {
TypesListenersRegistry.getInstance().removeEventChainListener(listener);
listener = null;
}
});
stopButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
Button clearButton = new Button(parent, SWT.NONE);
clearButton.setText("Clear");
clearButton.addMouseListener(new MouseAdapter() {
@Override
public void mouseUp(MouseEvent e) {
eventsChains.clear();
tree.getViewer().refresh();
browser.setText("");
}
});
clearButton.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
Label label = new Label(parent, SWT.NONE);
label.setText("Limit: ");
limitText = new Text(parent, SWT.BORDER);
limitText.setText(MAX_SIZE + "");
limitText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
sash = new SashForm(parent, SWT.HORIZONTAL | SWT.BORDER);
sash.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
tree = new FilteredTree(sash, SWT.BORDER, new PatternFilter(), true);
tree.getViewer().setLabelProvider(new TypesEventLabelProvider());
tree.getViewer().setContentProvider(new TypesEventContentProvider());
tree.getViewer().addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (event.getSelection() instanceof IStructuredSelection) {
Object first = ((IStructuredSelection) event.getSelection()).getFirstElement();
String result = "";
if (first instanceof ITypesEvent) {
Map<String, String> details = TypesEventPrinter.getEventDetails(((ITypesEvent) first));
result = TypesEventPrinter.printHtmlEvent(details);
} else if (first instanceof TypesEventsChain) {
IEditCommandRequest req = ((TypesEventsChain) first).getRequest();
result = TypesEventPrinter.printHtmRequest(req);
}
browser.setText(result);
}
}
});
tree.getViewer().setInput(eventsChains);
browser = new Browser(sash, SWT.NONE);
sash.setWeights(new int[] { 1, 3 });
}
@Override
public void setFocus() {
}
/**
* @see org.eclipse.ui.part.WorkbenchPart#dispose()
*
*/
@Override
public void dispose() {
TypesListenersRegistry.getInstance().removeEventChainListener(listener);
super.dispose();
}
}
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