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/*******************************************************************************
* Copyright (c) 2008, 2011 Wind River 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:
* Wind River Systems - initial API and implementation
* Winnie Lai (Texas Instruments) - Individual Element Number Format (Bug 202556)
*******************************************************************************/
package org.eclipse.cdt.tests.dsf.vm;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.cdt.dsf.concurrent.CountingRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.IDebugVMConstants;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.numberformat.FormattedValueLabelText;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.numberformat.FormattedValueRetriever;
import org.eclipse.cdt.dsf.debug.ui.viewmodel.update.ElementFormatEvent;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.cdt.dsf.ui.viewmodel.IRootVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.VMDelta;
import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.AbstractDMVMNode;
import org.eclipse.cdt.dsf.ui.viewmodel.datamodel.AbstractDMVMProvider;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.IElementPropertiesProvider;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.IPropertiesUpdate;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.LabelAttribute;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.LabelColumnInfo;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.LabelText;
import org.eclipse.cdt.dsf.ui.viewmodel.properties.PropertiesBasedLabelProvider;
import org.eclipse.cdt.tests.dsf.ViewerUpdatesListener;
import org.eclipse.cdt.tests.dsf.vm.TestModel.TestElement;
import org.eclipse.cdt.tests.dsf.vm.TestModel.TestEvent;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenCountUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementLabelProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IHasChildrenUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ILabelUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.jface.util.PropertyChangeEvent;
/**
* @since 2.2
*/
public class TestModelDMVMNode extends AbstractDMVMNode implements IRootVMNode, IElementLabelProvider, IElementPropertiesProvider {
final public static String PROP_PREFIX_DUMMY = "dummy.";
final private static String PROP_TEST_ELEMENT_LABEL = "PROP_TEST_ELEMENT_LABEL";
private ViewerUpdatesListener fViewerUpdateListener = NULL_VIEWER_UPDATE_LISTENER;
private FormattedValuesListener fFormattedValuesListener;
private static final ViewerUpdatesListener NULL_VIEWER_UPDATE_LISTENER = new ViewerUpdatesListener();
final private static PropertiesBasedLabelProvider fLabelProvider = new PropertiesBasedLabelProvider();
{
LabelColumnInfo idLabelInfo = new LabelColumnInfo(new LabelAttribute[] {
new LabelText("{0}", new String[] { PROP_TEST_ELEMENT_LABEL })
});
fLabelProvider.setColumnInfo(PropertiesBasedLabelProvider.ID_COLUMN_NO_COLUMNS, idLabelInfo);
fLabelProvider.setColumnInfo(TestModelCachingVMProvider.COLUMN_ID, idLabelInfo);
fLabelProvider.setColumnInfo(
TestModelCachingVMProvider.COLUMN_FORMATTED_VALUE,
new LabelColumnInfo(new LabelAttribute[] {
new FormattedValueLabelText()
}));
fLabelProvider.setColumnInfo(
TestModelCachingVMProvider.COLUMN_DUMMY_VALUE,
new LabelColumnInfo(new LabelAttribute[] {
new FormattedValueLabelText(PROP_PREFIX_DUMMY)
}));
}
private final FormattedValueRetriever fFormattedValueRetriever;
private final FormattedValueRetriever fDummyFormattedValueRetriever;
public TestModelDMVMNode(AbstractDMVMProvider provider, DsfSession session) {
super(provider, session, TestElement.class);
fFormattedValueRetriever = new FormattedValueRetriever(this, getSession(), TestModel.class, TestElement.class);
fDummyFormattedValueRetriever = new FormattedValueRetriever(this, getSession(), DummyFormattedValueService.class, TestElement.class, PROP_PREFIX_DUMMY);
}
@Override
public void dispose() {
super.dispose();
fFormattedValueRetriever.dispose();
fDummyFormattedValueRetriever.dispose();
}
public void setVMUpdateListener(ViewerUpdatesListener viewerUpdateListener) {
if (viewerUpdateListener != null) {
fViewerUpdateListener = viewerUpdateListener;
} else {
fViewerUpdateListener = NULL_VIEWER_UPDATE_LISTENER;
}
}
public void setFormattedValuesListener(FormattedValuesListener formattedValuesListener) {
fFormattedValuesListener = formattedValuesListener;
}
public PropertiesBasedLabelProvider getLabelProvider() {
return fLabelProvider;
}
@Override
public void update(final ILabelUpdate[] updates) {
fLabelProvider.update(updates);
}
@Override
public void update(IHasChildrenUpdate[] updates) {
fViewerUpdateListener.viewerUpdatesBegin();
for (IHasChildrenUpdate update : updates) {
fViewerUpdateListener.updateStarted(update);
if (update.getElement() instanceof TestElementVMContext) {
TestElement element = ((TestElementVMContext)update.getElement()).getElement();
update.setHasChilren(element.getChildren().length != 0);
}
update.done();
fViewerUpdateListener.updateComplete(update);
}
fViewerUpdateListener.viewerUpdatesComplete();
}
@Override
public void update(IChildrenCountUpdate[] updates) {
fViewerUpdateListener.viewerUpdatesBegin();
for (IChildrenCountUpdate update : updates) {
fViewerUpdateListener.updateStarted(update);
if (update.getElement() instanceof TestElementVMContext) {
TestElement element = ((TestElementVMContext)update.getElement()).getElement();
update.setChildCount(element.getChildren().length);
}
update.done();
fViewerUpdateListener.updateComplete(update);
}
fViewerUpdateListener.viewerUpdatesComplete();
}
@Override
public void update(IChildrenUpdate[] updates) {
fViewerUpdateListener.viewerUpdatesBegin();
for (IChildrenUpdate update : updates) {
fViewerUpdateListener.updateStarted(update);
if (update.getElement() instanceof TestElementVMContext) {
TestElement element = ((TestElementVMContext)update.getElement()).getElement();
fillUpdateWithTestElements(update, element.getChildren());
}
update.done();
fViewerUpdateListener.updateComplete(update);
}
fViewerUpdateListener.viewerUpdatesComplete();
}
@Override
protected void updateElementsInSessionThread(IChildrenUpdate update) {
// TODO Auto-generated method stub
}
@Override
public void update(final IPropertiesUpdate[] updates) {
fViewerUpdateListener.propertiesUpdatesStarted(updates);
if (fFormattedValuesListener != null) fFormattedValuesListener.propertiesUpdatesStarted(updates);
CountingRequestMonitor crm = new CountingRequestMonitor(getExecutor(), null) {
@Override
protected void handleSuccess() {
for (IPropertiesUpdate update : updates) {
if (update.getElement() instanceof TestElementVMContext) {
TestElement element = ((TestElementVMContext)update.getElement()).getElement();
update.setProperty(PROP_TEST_ELEMENT_LABEL, element.getLabel());
}
update.done();
fViewerUpdateListener.propertiesUpdateCompleted(update);
if (fFormattedValuesListener != null) fFormattedValuesListener.propertiesUpdateCompleted(update);
}
}
};
int count = 0;
fFormattedValueRetriever.update(updates, crm);
count++;
fDummyFormattedValueRetriever.update(updates, crm);
count++;
crm.setDoneCount(count);
}
private void fillUpdateWithTestElements(IChildrenUpdate update, TestElement[] modelElements) {
int updateIdx = update.getOffset() != -1 ? update.getOffset() : 0;
int endIdx = updateIdx + (update.getLength() != -1 ? update.getLength() : modelElements.length);
while (updateIdx < endIdx && updateIdx < modelElements.length) {
update.setChild(createVMContext(modelElements[updateIdx]), updateIdx);
updateIdx++;
}
}
public TestElementVMContext createVMContext(TestElement element) {
return new TestElementVMContext(this, element);
}
/*
* (non-Javadoc)
* @see org.eclipse.cdt.dsf.ui.viewmodel.IVMNode#getDeltaFlags(java.lang.Object)
*/
@Override
public int getDeltaFlags(Object e) {
if ( e instanceof PropertyChangeEvent &&
((PropertyChangeEvent)e).getProperty() == IDebugVMConstants.PROP_FORMATTED_VALUE_FORMAT_PREFERENCE)
{
return IModelDelta.CONTENT;
}
if ( e instanceof ElementFormatEvent)
{
return IModelDelta.STATE;
}
if (e instanceof TestEvent) {
return ((TestEvent)e).getType();
}
return IModelDelta.NO_CHANGE;
}
@Override
public void buildDelta(Object e, VMDelta parent, int nodeOffset, RequestMonitor rm) {
if ( e instanceof PropertyChangeEvent &&
((PropertyChangeEvent)e).getProperty() == IDebugVMConstants.PROP_FORMATTED_VALUE_FORMAT_PREFERENCE)
{
parent.setFlags(parent.getFlags() | IModelDelta.CONTENT);
}
if ( e instanceof ElementFormatEvent)
{
Set<Object> elements = ((ElementFormatEvent) e).getElements();
Iterator<Object> it = elements.iterator();
while (it.hasNext()) {
parent.addNode(it.next(), IModelDelta.STATE);
}
}
rm.done();
}
@Override
public boolean isDeltaEvent(Object rootObject, Object event) {
return getDeltaFlags(event) != IModelDelta.NO_CHANGE;
}
@Override
public void createRootDelta(Object rootObject, Object event, DataRequestMonitor<VMDelta> rm) {
int flags = IModelDelta.NO_CHANGE;
if ( event instanceof PropertyChangeEvent &&
((PropertyChangeEvent)event).getProperty() == IDebugVMConstants.PROP_FORMATTED_VALUE_FORMAT_PREFERENCE)
{
flags |= IModelDelta.CONTENT;
}
if ( event instanceof ElementFormatEvent)
{
flags |= IModelDelta.CONTENT;
}
// TODO: make more sophisticated to update specific elements.
if (event instanceof TestEvent) {
flags|= ((TestEvent)event).getType();
}
rm.setData( new VMDelta(rootObject, 0, flags) );
rm.done();
}
}
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