package org.erlide.ui.views;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;
import org.erlide.backend.BackendCore;
import org.erlide.runtime.epmd.EpmdWatcher;
import org.erlide.runtime.epmd.IEpmdListener;
import org.erlide.ui.util.DisplayUtils;
public class EpmdView extends ViewPart implements IEpmdListener {
TreeViewer treeViewer;
class TreeContentProvider implements ITreeContentProvider {
@Override
public void inputChanged(final Viewer viewer, final Object oldInput,
final Object newInput) {
}
@Override
public void dispose() {
}
@Override
public Object[] getElements(final Object inputElement) {
model = epmdWatcher.getData();
if (model == null) {
return new Object[] {};
}
return model.keySet().toArray();
}
@Override
public Object[] getChildren(final Object parentElement) {
if (parentElement instanceof String) {
final String host = (String) parentElement;
final List<String> h = model.get(host);
final List<String> res = new ArrayList<String>();
if (h != null) {
for (final String s : h) {
if (!s.startsWith("jerlide_")) {
res.add(s);
}
}
return res.toArray();
}
}
return new Object[] {};
}
@Override
public Object getParent(final Object element) {
return null;
}
@Override
public boolean hasChildren(final Object element) {
return getChildren(element).length > 0;
}
}
static class TreeLabelProvider extends LabelProvider {
@Override
public String getText(final Object element) {
return super.getText(element);
}
@Override
public Image getImage(final Object element) {
return null;
}
}
Map<String, List<String>> model;
EpmdWatcher epmdWatcher;
public EpmdView() {
epmdWatcher = BackendCore.getEpmdWatcher();
epmdWatcher.addEpmdListener(this);
}
@Override
public void createPartControl(final Composite parent) {
treeViewer = new TreeViewer(parent, SWT.BORDER);
treeViewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(final DoubleClickEvent event) {
treeViewer.refresh();
}
});
treeViewer.setContentProvider(new TreeContentProvider());
treeViewer.setLabelProvider(new TreeLabelProvider());
treeViewer.setAutoExpandLevel(2);
initializeToolBar();
treeViewer.setInput(this);
}
@Override
public void setFocus() {
}
private void initializeToolBar() {
// IToolBarManager toolBarManager = getViewSite().getActionBars()
// .getToolBarManager();
}
@Override
public void updateNodeStatus(final String host, final Collection<String> started,
final Collection<String> stopped) {
model = epmdWatcher.getData();
DisplayUtils.asyncExec(new Runnable() {
@Override
public void run() {
treeViewer.setInput(model);
}
});
}
}