Package org.objectstyle.wolips.ui.view

Source Code of org.objectstyle.wolips.ui.view.RelatedView

/* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2002 - 2006 The ObjectStyle Group
* and individual authors of the software.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution, if
*    any, must include the following acknowlegement: 
*       "This product includes software developed by the
*        ObjectStyle Group (http://objectstyle.org/)."
*    Alternately, this acknowlegement may appear in the software itself,
*    if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne"
*    must not be used to endorse or promote products derived
*    from this software without prior written permission. For written
*    permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle"
*    nor may "ObjectStyle" appear in their names without prior written
*    permission of the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the ObjectStyle Group.  For more
* information on the ObjectStyle Group, please see
* <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.ui.view;

import java.util.List;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.ColumnWeightData;
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.TableViewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.actions.OpenWithMenu;
import org.eclipse.ui.part.IContributedContentsView;
import org.eclipse.ui.part.ViewPart;
import org.eclipse.ui.views.navigator.ShowInNavigatorAction;
import org.objectstyle.wolips.baseforuiplugins.utils.WorkbenchUtilities;
import org.objectstyle.wolips.core.resources.IWOLipsResource;

/**
* @author ulrich
*/
public final class RelatedView extends ViewPart implements ISelectionListener, IPartListener {
  private TableViewer _viewer;

  private Action _doubleClickAction;

  private Action _openInEditorAction;

  private Action _showInNavigatorAction;

  public RelatedView() {
    super();
  }

  public void createPartControl(Composite parent) {
    Composite viewerContainer = new Composite(parent, SWT.NONE);
   
    _viewer = new TableViewer(viewerContainer, SWT.SINGLE | SWT.V_SCROLL | SWT.H_SCROLL | SWT.FULL_SELECTION);
    _viewer.getTable().setLinesVisible(false);
   
    RelatedContentProvider relatedContentProvider = new RelatedContentProvider();
    _viewer.setContentProvider(relatedContentProvider);

    RelatedLabelProvider relatedLabelProvider = new RelatedLabelProvider();
    _viewer.setLabelProvider(relatedLabelProvider);
    relatedContentProvider.setLabelProvider(relatedLabelProvider);

    _viewer.setSorter(new ViewerSorter());

    TableColumnLayout relatedTableLayout = new TableColumnLayout();
    viewerContainer.setLayout(relatedTableLayout);

    TableColumn typeColumn = new TableColumn(_viewer.getTable(), SWT.LEFT);
    relatedTableLayout.setColumnData(typeColumn, new ColumnPixelData(68));
   
    TableColumn nameColumn = new TableColumn(_viewer.getTable(), SWT.LEFT);
    relatedTableLayout.setColumnData(nameColumn, new ColumnWeightData(90, true));

    _showInNavigatorAction = new ShowInNavigatorAction(getViewSite().getPage(), _viewer);
    _openInEditorAction = new Action() {

      public void run() {

        ISelection selection = getViewer().getSelection();

        List list = ((IStructuredSelection) selection).toList();
        for (int i = 0; i < list.size(); i++) {
          Object object = list.get(i);
          if (object instanceof IAdaptable) {
            IWOLipsResource wolipsResource = (IWOLipsResource)((IAdaptable) object).getAdapter(IWOLipsResource.class);
            if (wolipsResource != null) {
              wolipsResource.open();
            }
            else if (object instanceof IFile) {
              WorkbenchUtilities.open((IFile) object);
            }
          }
        }
      }

    };

    _doubleClickAction = _openInEditorAction;

    _viewer.addDoubleClickListener(new IDoubleClickListener() {

      public void doubleClick(DoubleClickEvent event) {
        getDoubleClickAction().run();
      }

    });

    ResourcesPlugin.getWorkspace().addResourceChangeListener(new IResourceChangeListener() {

      public void resourceChanged(IResourceChangeEvent event) {
        synchronized (_viewer) {
          IViewSite viewSite = getViewSite();
          if (viewSite == null)
            return;
          IWorkbenchWindow workbenchWindow = viewSite.getWorkbenchWindow();
          if (workbenchWindow == null)
            return;
          Shell shell = workbenchWindow.getShell();
          if (shell == null)
            return;
          Display display = shell.getDisplay();
          if (display == null)
            return;
          display.asyncExec(new Runnable() {

            public void run() {
              TableViewer tableViewer = getViewer();
              if (!tableViewer.getTable().isDisposed()) {
                tableViewer.refresh(false);
              }
            }

          });
        }
      }

    });

    getViewSite().getPage().addSelectionListener(this);
    getViewSite().getPage().addPartListener(this);
    selectionChanged(null, getViewSite().getPage().getSelection());
    createContextMenu();
  }

  /**
   * Creates a pop-up menu on the given control
   *
   * @param menuControl
   *            the control with which the pop-up menu will be associated
   */
  private void createContextMenu() {
    Control menuControl = _viewer.getControl();
    MenuManager menuMgr = new MenuManager("#PopUp"); //$NON-NLS-1$
    menuMgr.setRemoveAllWhenShown(true);
    menuMgr.addMenuListener(new IMenuListener() {
      public void menuAboutToShow(IMenuManager manager) {
        fillContextMenu(manager);
      }
    });
    Menu menu = menuMgr.createContextMenu(menuControl);
    menuControl.setMenu(menu);
    // register the context menu such that other plugins may contribute to
    // it
    getSite().registerContextMenu(menuMgr, _viewer);
  }

  /**
   * Adds actions to the context menu
   *
   * @param viewer
   *            the viewer who's menu we're configuring
   * @param menu
   *            The menu to contribute to
   */
  void fillContextMenu(IMenuManager menu) {
    menu.add(new Separator());
    menu.add(_showInNavigatorAction);
    List list = ((IStructuredSelection) getViewer().getSelection()).toList();
    for (int i = 0; i < list.size(); i++) {
      Object object = list.get(i);
      if (object != null) {
        if (object instanceof IResource) {
          IResource resource = (IResource) object;
          OpenWithMenu action = new OpenWithMenu(getViewSite().getPage(), resource);
          menu.add(action);
          // AK: I can
          // OpenEditorActionGroup group = new
          // OpenEditorActionGroup(this);
          // group.fillContextMenu(menu);
        } else if (object instanceof ICompilationUnit) {
          ICompilationUnit unit = (ICompilationUnit) object;
          OpenWithMenu action = new OpenWithMenu(getViewSite().getPage(), unit);
          menu.add(action);
        }
      }
    }
    menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
  }

  public void setFocus() {
    _viewer.getControl().setFocus();
  }

  public void selectionChanged(IWorkbenchPart part, ISelection selection) {
    synchronized (_viewer) {
      if (selection != null && selection instanceof IStructuredSelection) {
        IStructuredSelection sel = (IStructuredSelection) selection;

        Object selectedElement = sel.getFirstElement();
        Object viewerInput = _viewer.getInput();
        if (viewerInput == null || (!viewerInput.equals(selectedElement))) {
          _viewer.setInput(selectedElement);
        }
      }
    }
  }

  protected TableViewer getViewer() {
    return _viewer;
  }

  /**
   * @return the double click action
   */
  protected Action getDoubleClickAction() {
    return _doubleClickAction;
  }

  public void partActivated(IWorkbenchPart part) {
    IWorkbenchPart contributingPart;
    if (part instanceof IEditorPart) {
      contributingPart = part;
    }
    else {
      IContributedContentsView contentsView = (IContributedContentsView)part.getAdapter(IContributedContentsView.class);
      if (contentsView != null) {
        contributingPart = contentsView.getContributingPart();
      }
      else {
        contributingPart = part;
      }
    }
    if (contributingPart instanceof IEditorPart) {
      IEditorInput input = ((IEditorPart) contributingPart).getEditorInput();
      if (input instanceof IFileEditorInput) {
        _viewer.setInput(((IFileEditorInput)input).getFile());
      }
    }
  }

  public void partClosed(IWorkbenchPart part) {
    // DO NOTHING
  }

  public void partOpened(IWorkbenchPart part) {
    IWorkbenchPart contributingPart;
    if (part instanceof IEditorPart) {
      contributingPart = part;
    }
    else {
      IContributedContentsView contentsView = (IContributedContentsView)part.getAdapter(IContributedContentsView.class);
      if (contentsView != null) {
        contributingPart = contentsView.getContributingPart();
      }
      else {
        contributingPart = part;
      }
    }
    if (contributingPart instanceof IEditorPart) {
      IEditorInput input = ((IEditorPart) contributingPart).getEditorInput();
      if (input instanceof IFileEditorInput) {
        _viewer.setInput(((IFileEditorInput)input).getFile());
      }
    }
  }

  public void partDeactivated(IWorkbenchPart part) {
    // DO NOTHING
  }

  public void partBroughtToTop(IWorkbenchPart part) {
    // DO NOTHING
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.IWorkbenchPart#dispose()
   */
  public void dispose() {
    getViewSite().getPage().removeSelectionListener(this);
    getViewSite().getPage().removePartListener(this);
    super.dispose();
  }
}
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