Package org.locationtech.udig.catalog.tests.ui.workflow

Source Code of org.locationtech.udig.catalog.tests.ui.workflow.DummyView$ViewContentProvider

/*
*    uDig - User Friendly Desktop Internet GIS client
*    http://udig.refractions.net
*    (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.catalog.tests.ui.workflow;


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.ArrayContentProvider;
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.ListViewer;
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.ViewPart;


/**
* This sample class demonstrates how to plug-in a new
* workbench view. The view shows data obtained from the
* model. The sample creates a dummy model on the fly,
* but a real implementation would connect to the model
* available either in this or another plug-in (e.g. the workspace).
* The view is connected to the model using a content provider.
* <p>
* The view uses a label provider to define how model
* objects should be presented in the view. Each
* view can present the same model objects using
* different labels and icons, if needed. Alternatively,
* a single label provider can be shared between views
* in order to ensure that objects of the same type are
* presented in the same way everywhere.
* <p>
*/

public class DummyView extends ViewPart {
 
  public static final String VIEW_ID
    = "org.locationtech.udig.catalog.tests.ui.workflow.DummyView"; //$NON-NLS-1$
 
  private ListViewer viewer;
  private Action action1;
  private Action action2;
  private Action doubleClickAction;

  /*
   * The content provider class is responsible for
   * providing objects to the view. It can wrap
   * existing objects in adapters or simply return
   * objects as-is. These objects may be sensitive
   * to the current input of the view, or ignore
   * it and always show the same content
   * (like Task List, for example).
   */
  
  class ViewContentProvider implements IStructuredContentProvider {
    public void inputChanged(Viewer v, Object oldInput, Object newInput) {
    }
    public void dispose() {
    }
    public Object[] getElements(Object parent) {
      return new String[] { "One", "Two", "Three" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    }
  }
  class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {
    public String getColumnText(Object obj, int index) {
      return getText(obj);
    }
    public Image getColumnImage(Object obj, int index) {
      return getImage(obj);
    }
    public Image getImage(Object obj) {
      return PlatformUI.getWorkbench().
          getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
    }
  }
  class NameSorter extends ViewerSorter {
  }

  /**
   * The constructor.
   */
  public DummyView() {
  }

  /**
   * This is a callback that will allow us
   * to create the viewer and initialize it.
   */
  public void createPartControl(Composite parent) {
    viewer = new ListViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new LabelProvider());
    viewer.setInput(new Object[]{});
   
    getSite().setSelectionProvider(viewer);
   
    makeActions();
    hookContextMenu();
    hookDoubleClickAction();
    contributeToActionBars();
  }

  public Viewer getViewer() {
    return viewer;
  }
 
  private void hookContextMenu() {
    MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
    menuMgr.setRemoveAllWhenShown(true);
    menuMgr.addMenuListener(new IMenuListener() {
      public void menuAboutToShow(IMenuManager manager) {
        DummyView.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) {
    manager.add(action1);
    manager.add(action2);
  }

  private void makeActions() {
    action1 = new Action() {
      public void run() {
        showMessage("Action 1 executed"); //$NON-NLS-1$
      }
    };
    action1.setText("Action 1"); //$NON-NLS-1$
    action1.setToolTipText("Action 1 tooltip"); //$NON-NLS-1$
    action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
      getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
   
    action2 = new Action() {
      public void run() {
        showMessage("Action 2 executed"); //$NON-NLS-1$
      }
    };
    action2.setText("Action 2"); //$NON-NLS-1$
    action2.setToolTipText("Action 2 tooltip"); //$NON-NLS-1$
    action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
        getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
    doubleClickAction = new Action() {
      public void run() {
        ISelection selection = viewer.getSelection();
        Object obj = ((IStructuredSelection)selection).getFirstElement();
        showMessage("Double-click detected on "+obj.toString()); //$NON-NLS-1$
      }
    };
  }

  private void hookDoubleClickAction() {
    viewer.addDoubleClickListener(new IDoubleClickListener() {
      public void doubleClick(DoubleClickEvent event) {
        doubleClickAction.run();
      }
    });
  }
  private void showMessage(String message) {
    MessageDialog.openInformation(
      viewer.getControl().getShell(),
      "DummyView", //$NON-NLS-1$
      message);
  }

  /**
   * Passing the focus request to the viewer's control.
   */
  public void setFocus() {
    viewer.getControl().setFocus();
  }
}
TOP

Related Classes of org.locationtech.udig.catalog.tests.ui.workflow.DummyView$ViewContentProvider

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.