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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.service.control.widgets;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.jini.core.lookup.ServiceItem;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.osee.framework.jdk.core.type.TreeObject;
import org.eclipse.osee.framework.jdk.core.type.TreeParent;
import org.eclipse.osee.framework.ui.service.control.ServiceControlImage;
import org.eclipse.osee.framework.ui.service.control.data.CategoryParent;
import org.eclipse.osee.framework.ui.service.control.data.GroupParent;
import org.eclipse.osee.framework.ui.service.control.data.ServiceNode;
import org.eclipse.osee.framework.ui.service.control.managers.ConnectionManager;
import org.eclipse.osee.framework.ui.swt.ImageManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* @author Roberto E. Escobar
*/
public class ServicesViewer extends Composite {
private static final Image CONFIG_IMAGE = ImageManager.getImage(ServiceControlImage.CONFIG);
private static final Image FOLDER_IMAGE =
PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
private static final Image GROUP_IMAGE = ImageManager.getImage(ServiceControlImage.GROUP);
private static final Image CONNECT_FOLDER_IMAGE = ImageManager.getImage(ServiceControlImage.CONNECT_FOLDER);
private static final Image CONNECTED_IMAGE = ImageManager.getImage(ServiceControlImage.CONNECTED_PLUG);
private StructuredViewer viewer;
private final Map<Class<?>, Image> serviceIconMap;
public ServicesViewer(Composite parent, int style) {
super(parent, style);
create();
serviceIconMap = new HashMap<Class<?>, Image>();
}
private void create() {
this.setLayout(new GridLayout());
this.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
createTreeArea(this);
}
private void createTreeArea(Composite parent) {
viewer = new TreeViewer(parent, SWT.SINGLE | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
viewer.setContentProvider(new TreeContentProvider());
viewer.setLabelProvider(new TreeLabelProvider());
viewer.setSorter(new ViewerSorter());
viewer.setInput(new ArrayList<String>());
viewer.getControl().setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
}
private class TreeLabelProvider extends LabelProvider {
@Override
public Image getImage(Object obj) {
Image toReturn = null;
if (obj instanceof GroupParent) {
toReturn = GROUP_IMAGE;
} else if (obj instanceof CategoryParent) {
toReturn = FOLDER_IMAGE;
CategoryParent categoryParent = (CategoryParent) obj;
if (categoryParent.hasChildren()) {
Object child = categoryParent.getChildren()[0];
if (child instanceof ServiceNode) {
ServiceNode serviceNode = (ServiceNode) child;
if (ConnectionManager.getInstance().isAllowedConnectionType(serviceNode.getServiceItem())) {
toReturn = CONNECT_FOLDER_IMAGE;
}
}
}
} else if (obj instanceof ServiceNode) {
ServiceNode node = (ServiceNode) obj;
if (node.isConnected()) {
toReturn = CONNECTED_IMAGE;
} else {
toReturn = CONFIG_IMAGE;
ServiceItem serviceItem = node.getServiceItem();
for (Class<?> classType : serviceIconMap.keySet()) {
if (classType.isInstance(serviceItem.service)) {
Image image = serviceIconMap.get(classType);
if (image != null) {
toReturn = image;
}
break;
}
}
}
}
return toReturn;
}
@Override
public String getText(Object obj) {
return obj.toString();
}
}
private class TreeContentProvider implements ITreeContentProvider {
public void dispose() {
}
public Object[] getChildren(Object parentElement) {
if (parentElement != null && parentElement instanceof TreeParent) {
TreeParent parent = (TreeParent) parentElement;
if (parent.hasChildren()) {
return parent.getChildren();
}
}
return new Object[0];
}
public Object[] getElements(Object inputElement) {
if (inputElement != null && inputElement instanceof Collection<?>) {
Collection<?> elementArray = (Collection<?>) inputElement;
return elementArray.toArray();
}
return new Object[0];
}
public Object getParent(Object element) {
if (element != null && element instanceof TreeObject) {
TreeObject child = (TreeObject) element;
return child.getParent();
}
return new Object();
}
public boolean hasChildren(Object element) {
if (element instanceof TreeParent) {
TreeParent parent = (TreeParent) element;
return parent.hasChildren();
}
return false;
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
@Override
public boolean setFocus() {
return this.viewer.getControl().setFocus();
}
public StructuredViewer getViewer() {
return viewer;
}
public void setInput(List<TreeParent> input) {
viewer.setInput(input);
}
public void refresh() {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (viewer != null && !viewer.getControl().isDisposed()) {
viewer.refresh();
}
}
});
}
@Override
public void dispose() {
viewer.getControl().dispose();
super.dispose();
}
public void registerImage(Class<?> serviceType, ImageDescriptor icon) {
serviceIconMap.put(serviceType, icon.createImage());
}
}
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