package org.erlide.ui.views;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
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.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.DrillDownAdapter;
import org.eclipse.ui.part.ViewPart;
import org.erlide.engine.model.erlang.IErlModule;
public class TraceLogView extends ViewPart {
TreeViewer viewer;
private DrillDownAdapter drillDownAdapter;
private Action action1;
private Action action2;
Action doubleClickAction;
class TreeObject implements IAdaptable {
private final String name;
private TreeParent parent;
public TreeObject(final String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setParent(final TreeParent parent) {
this.parent = parent;
}
public TreeParent getParent() {
return parent;
}
@Override
public String toString() {
return getName();
}
@Override
public Object getAdapter(final Class key) {
return null;
}
}
class TreeParent extends TreeObject {
private final List<TreeObject> children;
public TreeParent(final String name) {
super(name);
children = new ArrayList<TreeObject>();
}
public void addChild(final TreeObject child) {
children.add(child);
child.setParent(this);
}
public void removeChild(final TreeObject child) {
children.remove(child);
child.setParent(null);
}
public TreeObject[] getChildren() {
return children.toArray(new TreeObject[children.size()]);
}
public boolean hasChildren() {
return !children.isEmpty();
}
}
class ViewContentProvider implements ITreeContentProvider {
private TreeParent invisibleRoot;
@Override
public void inputChanged(final Viewer v, final Object oldInput,
final Object newInput) {
if (newInput instanceof IErlModule[]) {
// TreeObject to1 = new TreeObject("Leaf 1");
final IErlModule[] x = (IErlModule[]) newInput;
invisibleRoot = new TreeParent("");
for (final IErlModule module : x) {
invisibleRoot.addChild(new TreeObject(module.getName()));
}
}
}
@Override
public void dispose() {
}
@Override
public Object[] getElements(final Object parent) {
if (parent.equals(getViewSite())) {
if (invisibleRoot == null) {
initialize();
}
return getChildren(invisibleRoot);
}
return getChildren(parent);
}
@Override
public Object getParent(final Object child) {
if (child instanceof TreeObject) {
return ((TreeObject) child).getParent();
}
return null;
}
@Override
public Object[] getChildren(final Object parent) {
if (parent instanceof TreeParent) {
return ((TreeParent) parent).getChildren();
}
return new Object[0];
}
@Override
public boolean hasChildren(final Object parent) {
if (parent instanceof TreeParent) {
return ((TreeParent) parent).hasChildren();
}
return false;
}
private void initialize() {
final TreeObject to1 = new TreeObject("Leaf 1");
final TreeObject to2 = new TreeObject("Leaf 2");
final TreeObject to3 = new TreeObject("Leaf 3");
final TreeParent p1 = new TreeParent("Parent 1");
p1.addChild(to1);
p1.addChild(to2);
p1.addChild(to3);
final TreeObject to4 = new TreeObject("Leaf 4");
final TreeParent p2 = new TreeParent("Parent 2");
p2.addChild(to4);
final TreeParent root = new TreeParent("Root");
root.addChild(p1);
root.addChild(p2);
invisibleRoot = new TreeParent("");
invisibleRoot.addChild(root);
}
}
static class ViewLabelProvider extends LabelProvider {
@Override
public String getText(final Object obj) {
return obj.toString();
}
@Override
public Image getImage(final Object obj) {
String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
if (obj instanceof TreeParent) {
imageKey = ISharedImages.IMG_OBJ_FOLDER;
}
return PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
}
}
static class NameSorter extends ViewerSorter {
}
/**
* The constructor.
*/
public TraceLogView() {
}
/**
* This is a callback that will allow us to create the viewer and initialize
* it.
*/
@Override
public void createPartControl(final Composite parent) {
viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
drillDownAdapter = new DrillDownAdapter(viewer);
viewer.setContentProvider(new ViewContentProvider());
viewer.setLabelProvider(new ViewLabelProvider());
viewer.setSorter(new NameSorter());
viewer.setInput(getViewSite());
makeActions();
hookContextMenu();
hookDoubleClickAction();
contributeToActionBars();
}
private void hookContextMenu() {
final MenuManager menuMgr = new MenuManager("#PopupMenu");
menuMgr.setRemoveAllWhenShown(true);
menuMgr.addMenuListener(new IMenuListener() {
@Override
public void menuAboutToShow(final IMenuManager manager) {
TraceLogView.this.fillContextMenu(manager);
}
});
final Menu menu = menuMgr.createContextMenu(viewer.getControl());
viewer.getControl().setMenu(menu);
getSite().registerContextMenu(menuMgr, viewer);
}
private void contributeToActionBars() {
final IActionBars bars = getViewSite().getActionBars();
fillLocalPullDown(bars.getMenuManager());
fillLocalToolBar(bars.getToolBarManager());
}
private void fillLocalPullDown(final IMenuManager manager) {
manager.add(action1);
manager.add(new Separator());
manager.add(action2);
}
void fillContextMenu(final IMenuManager manager) {
manager.add(action1);
manager.add(action2);
manager.add(new Separator());
drillDownAdapter.addNavigationActions(manager);
// Other plug-ins can contribute there actions here
manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
}
private void fillLocalToolBar(final IToolBarManager manager) {
manager.add(action1);
manager.add(action2);
manager.add(new Separator());
drillDownAdapter.addNavigationActions(manager);
}
private void makeActions() {
action1 = new Action() {
@Override
public void run() {
showMessage("Action 1 executed");
}
};
action1.setText("Action 1");
action1.setToolTipText("Action 1 tooltip");
action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
.getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
action2 = new Action() {
@Override
public void run() {
// testing
// final IErlModel mdl = ErlangCore.getModel();
// final List<IErlModule> ms = mdl.findModule("test", ".*");
// ErlLogger.debug("found(\"*\") " + ms.size());
// for (IErlModule element : ms) {
// ErlLogger.debug(" " + element.getName());
// }
//
// final List<IErlFunction> fs = mdl.findFunction("test", ".*",
// "st.*", IErlModel.UNKNOWN_ARITY);
// ErlLogger.debug("found(\"*\") " + fs.size());
// for (IErlFunction element : fs) {
// ErlLogger.debug(" " + element.getName() + "/"
// + element.getArity());
// }
//
// viewer.setInput(ms);
//
showMessage("Action 2 executed");
}
};
action2.setText("Action 2");
action2.setToolTipText("Action 2 tooltip");
action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
.getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
doubleClickAction = new Action() {
@Override
public void run() {
final ISelection selection = viewer.getSelection();
final Object obj = ((IStructuredSelection) selection).getFirstElement();
showMessage("Double-click detected on " + obj.toString());
}
};
}
private void hookDoubleClickAction() {
viewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(final DoubleClickEvent event) {
doubleClickAction.run();
}
});
}
void showMessage(final String message) {
MessageDialog.openInformation(viewer.getControl().getShell(), "Trace Log View",
message);
}
/**
* Passing the focus request to the viewer's control.
*/
@Override
public void setFocus() {
viewer.getControl().setFocus();
}
}