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package org.eclipse.emf.cdo.internal.ui.views;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.IContributionManager;
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.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.part.ViewPart;
public abstract class StructuredView extends ViewPart
{
public StructuredView()
{
}
public void setFocus()
{
StructuredViewer viewer = getCurrentViewer();
if (viewer != null)
{
viewer.getControl().setFocus();
}
}
public final void createPartControl(Composite parent)
{
doCreatePartControl(parent);
hookContextMenu();
hookDoubleClickAction();
contributeToActionBars();
}
protected abstract StructuredViewer getCurrentViewer();
protected abstract void doCreatePartControl(Composite parent);
protected void fillLocalPullDown(IMenuManager manager)
{
}
protected void fillLocalToolBar(IToolBarManager manager)
{
}
protected void fillContextMenu(IMenuManager manager)
{
manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
}
protected void onDoubleClick(Object selectedElement)
{
StructuredViewer viewer = getCurrentViewer();
if (viewer instanceof TreeViewer)
{
TreeViewer treeViewer = (TreeViewer)viewer;
treeViewer.setExpandedState(selectedElement, !treeViewer.getExpandedState(selectedElement));
}
}
protected void addContribution(IContributionManager manager, IContributionItem item)
{
if (manager != null && item != null)
{
manager.add(item);
}
}
protected void addContribution(IContributionManager manager, IAction action)
{
if (manager != null && action != null)
{
manager.add(action);
}
}
protected void showMessage(String message)
{
MessageDialog.openInformation(getShell(), getTitle(), message);
}
protected String showInputDialog(String message)
{
return showInputDialog(message, null);
}
protected String showInputDialog(String message, String defaultValue)
{
if (!message.endsWith(":"))
{
message += ":";
}
InputDialog dialog = new InputDialog(getShell(), getTitle(), message, defaultValue, null);
if (dialog.open() == InputDialog.OK)
{
return dialog.getValue();
}
return null;
}
protected Shell getShell()
{
return getCurrentViewer().getControl().getShell();
}
private void contributeToActionBars()
{
IActionBars bars = getViewSite().getActionBars();
fillLocalPullDown(bars.getMenuManager());
fillLocalToolBar(bars.getToolBarManager());
}
private void hookContextMenu()
{
MenuManager menuMgr = new MenuManager("#PopupMenu");
menuMgr.setRemoveAllWhenShown(true);
menuMgr.addMenuListener(new IMenuListener()
{
public void menuAboutToShow(IMenuManager manager)
{
StructuredView.this.fillContextMenu(manager);
}
});
Menu menu = menuMgr.createContextMenu(getCurrentViewer().getControl());
getCurrentViewer().getControl().setMenu(menu);
getSite().registerContextMenu(menuMgr, getCurrentViewer());
}
private void hookDoubleClickAction()
{
getCurrentViewer().addDoubleClickListener(new IDoubleClickListener()
{
public void doubleClick(DoubleClickEvent event)
{
onDoubleClick(((IStructuredSelection)event.getSelection()).getFirstElement());
}
});
}
}
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