FileManagerView.java

package org.archstudio.filemanager.core;

import org.archstudio.eclipse.core.startup.InstantiateArchStudio;
import org.archstudio.myx.fw.MyxRegistry;
import org.archstudio.xarchadt.IXArchADT;
import org.archstudio.xarchadt.IXArchADTFileListener;
import org.archstudio.xarchadt.IXArchADTModelListener;
import org.archstudio.xarchadt.XArchADTFileEvent;
import org.archstudio.xarchadt.XArchADTModelEvent;
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.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
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.Display;
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.ViewPart;

public class FileManagerView extends ViewPart implements IXArchADTFileListener, IXArchADTModelListener {
	private FileManagerMyxComponent comp = null;
	private final MyxRegistry er = MyxRegistry.getSharedInstance();

	private TableViewer viewer;
	private Action action1;
	private Action action2;
	private Action doubleClickAction;

	protected IXArchADT xarch = null;

	public FileManagerView() {
	}

	@Override
	public void handleXArchADTFileEvent(XArchADTFileEvent evt) {
		refreshView();
	}

	public void refreshView() {
		Display.getDefault().asyncExec(new Runnable() {

			@Override
			public void run() {
				viewer.refresh();
			}
		});
	}

	@Override
	public void handleXArchADTModelEvent(XArchADTModelEvent evt) {
	}

	/**
	 * This is a callback that will allow us to create the viewer and initialize it.
	 */

	@Override
	public void createPartControl(Composite parent) {
		InstantiateArchStudio.instantiate();
		comp = er.waitForBrick(FileManagerMyxComponent.class);
		er.registerObject(comp, this);
		xarch = comp.getXarch();

		viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
		viewer.setContentProvider(new ViewContentProvider());
		viewer.setLabelProvider(new ViewLabelProvider());
		viewer.setSorter(new NameSorter());
		viewer.setInput(getViewSite());
		makeActions();
		hookContextMenu();
		hookDoubleClickAction();
		contributeToActionBars();
	}

	private void hookContextMenu() {
		MenuManager menuMgr = new MenuManager("#PopupMenu");
		menuMgr.setRemoveAllWhenShown(true);
		menuMgr.addMenuListener(new IMenuListener() {

			@Override
			public void menuAboutToShow(IMenuManager manager) {
				FileManagerView.this.fillContextMenu(manager);
			}
		});
		Menu menu = menuMgr.createContextMenu(viewer.getControl());
		viewer.getControl().setMenu(menu);
		getSite().registerContextMenu(menuMgr, viewer);
	}

	private void contributeToActionBars() {
		IActionBars bars = getViewSite().getActionBars();
		fillLocalPullDown(bars.getMenuManager());
		fillLocalToolBar(bars.getToolBarManager());
	}

	private void fillLocalPullDown(IMenuManager manager) {
		manager.add(action1);
		manager.add(new Separator());
		manager.add(action2);
	}

	private void fillContextMenu(IMenuManager manager) {
		manager.add(action1);
		manager.add(action2);
		// Other plug-ins can contribute there actions here
		manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
	}

	private void fillLocalToolBar(IToolBarManager manager) {
	}

	private void makeActions() {
		doubleClickAction = new Action() {

			@Override
			public void run() {
				ISelection selection = viewer.getSelection();
				Object obj = ((IStructuredSelection) selection).getFirstElement();
				showMessage("Double-click detected on " + obj.toString());
			}
		};
	}

	private void hookDoubleClickAction() {
		viewer.addDoubleClickListener(new IDoubleClickListener() {

			@Override
			public void doubleClick(DoubleClickEvent event) {
				doubleClickAction.run();
			}
		});
	}

	private void showMessage(String message) {
		MessageDialog.openInformation(viewer.getControl().getShell(), "Sample View", message);
	}

	/**
	 * Passing the focus request to the viewer's control.
	 */

	@Override
	public void setFocus() {
		viewer.getControl().setFocus();
	}

	class ViewContentProvider implements IStructuredContentProvider {

		@Override
		public void inputChanged(Viewer v, Object oldInput, Object newInput) {
		}

		@Override
		public void dispose() {
		}

		@Override
		public Object[] getElements(Object parent) {
			//return new String[] { "One", "Two", "Three" };
			return xarch.getOpenURIs().toArray();
		}
	}

	class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {

		@Override
		public String getColumnText(Object obj, int index) {
			return getText(obj);
		}

		@Override
		public Image getColumnImage(Object obj, int index) {
			return getImage(obj);
		}

		@Override
		public Image getImage(Object obj) {
			return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
		}
	}

	class NameSorter extends ViewerSorter {
	}

}