| /* |
| * Copyright (c) 2007-2012, 2015 Eike Stepper (Berlin, Germany) and others. |
| * 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.buddies.internal.ui; |
| |
| import org.eclipse.net4j.buddies.IBuddyCollaboration; |
| import org.eclipse.net4j.buddies.common.IBuddy; |
| import org.eclipse.net4j.buddies.common.ICollaboration; |
| import org.eclipse.net4j.buddies.common.IMembership; |
| import org.eclipse.net4j.buddies.internal.ui.messages.Messages; |
| import org.eclipse.net4j.ui.shared.SharedIcons; |
| import org.eclipse.net4j.util.container.IContainer; |
| import org.eclipse.net4j.util.lifecycle.LifecycleUtil; |
| import org.eclipse.net4j.util.ui.UIUtil; |
| import org.eclipse.net4j.util.ui.actions.LongRunningAction; |
| import org.eclipse.net4j.util.ui.actions.SafeAction; |
| import org.eclipse.net4j.util.ui.views.ContainerItemProvider; |
| import org.eclipse.net4j.util.ui.views.ContainerView; |
| import org.eclipse.net4j.util.ui.views.IElementFilter; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.viewers.ITreeSelection; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public abstract class AbstractItemProvider extends ContainerItemProvider<IContainer<Object>> |
| { |
| public static final Color GRAY = UIUtil.getDisplay().getSystemColor(SWT.COLOR_GRAY); |
| |
| private Font bold; |
| |
| public AbstractItemProvider() |
| { |
| } |
| |
| public AbstractItemProvider(IElementFilter rootElementFilter) |
| { |
| super(rootElementFilter); |
| } |
| |
| @Override |
| public void dispose() |
| { |
| UIUtil.dispose(bold); |
| super.dispose(); |
| } |
| |
| public Font getBold() |
| { |
| return bold; |
| } |
| |
| @Override |
| protected Node createNode(Node parent, Object element) |
| { |
| if (element instanceof IMembership) |
| { |
| IMembership membership = (IMembership)element; |
| return createMembershipNode(parent, membership); |
| } |
| |
| return super.createNode(parent, element); |
| } |
| |
| protected abstract Node createMembershipNode(Node parent, IMembership membership); |
| |
| @Override |
| public String getText(Object obj) |
| { |
| if (obj instanceof IBuddy) |
| { |
| IBuddy buddy = (IBuddy)obj; |
| return buddy.getUserID(); |
| } |
| |
| if (obj instanceof ICollaboration) |
| { |
| ICollaboration collaboration = (ICollaboration)obj; |
| return collaboration.getTitle(); |
| } |
| |
| if (obj instanceof IMembership) |
| { |
| IMembership membership = (IMembership)obj; |
| return getText(membership); |
| } |
| |
| return super.getText(obj); |
| } |
| |
| protected abstract String getText(IMembership membership); |
| |
| @Override |
| public Image getImage(Object obj) |
| { |
| if (obj instanceof IBuddy) |
| { |
| IBuddy buddy = (IBuddy)obj; |
| switch (buddy.getState()) |
| { |
| case AVAILABLE: |
| return SharedIcons.getImage(SharedIcons.OBJ_BUDDY); |
| |
| case LONESOME: |
| return SharedIcons.getImage(SharedIcons.OBJ_BUDDY_LONESOME); |
| |
| case AWAY: |
| return SharedIcons.getImage(SharedIcons.OBJ_BUDDY_AWAY); |
| |
| case DO_NOT_DISTURB: |
| return SharedIcons.getImage(SharedIcons.OBJ_BUDDY_DO_NOT_DISTURB); |
| } |
| } |
| |
| if (obj instanceof ICollaboration) |
| { |
| return SharedIcons.getImage(SharedIcons.OBJ_COLLABORATION); |
| } |
| |
| if (obj instanceof IMembership) |
| { |
| IMembership membership = (IMembership)obj; |
| return getImage(membership); |
| } |
| |
| return super.getImage(obj); |
| } |
| |
| protected abstract Image getImage(IMembership membership); |
| |
| @Override |
| public Color getForeground(Object obj) |
| { |
| if (obj instanceof IBuddy) |
| { |
| IBuddy buddy = (IBuddy)obj; |
| switch (buddy.getState()) |
| { |
| case AWAY: |
| case DO_NOT_DISTURB: |
| return GRAY; |
| } |
| } |
| |
| return super.getForeground(obj); |
| } |
| |
| @Override |
| public Font getFont(Object obj) |
| { |
| if (obj instanceof IBuddy) |
| { |
| IBuddy buddy = (IBuddy)obj; |
| switch (buddy.getState()) |
| { |
| case LONESOME: |
| return bold; |
| } |
| } |
| |
| return super.getFont(obj); |
| } |
| |
| @Override |
| public void fillContextMenu(IMenuManager manager, ITreeSelection selection) |
| { |
| manager.add(new Separator()); |
| if (selection.size() == 1) |
| { |
| Object obj = selection.getFirstElement(); |
| if (obj instanceof IBuddy) |
| { |
| manager.add(new RemoveAction(obj)); |
| } |
| else if (obj instanceof IBuddyCollaboration) |
| { |
| final IBuddyCollaboration collaboration = (IBuddyCollaboration)obj; |
| manager.add( |
| new SafeAction(Messages.getString("AbstractItemProvider.0"), Messages.getString("AbstractItemProvider.1")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| @Override |
| protected void safeRun() throws Exception |
| { |
| collaboration.leave(); |
| } |
| }); |
| } |
| } |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
| { |
| UIUtil.dispose(bold); |
| super.inputChanged(viewer, oldInput, newInput); |
| bold = UIUtil.getBoldFont(getViewer().getControl()); |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class RemoveAction extends LongRunningAction |
| { |
| private Object object; |
| |
| public RemoveAction(Object object) |
| { |
| super(Messages.getString("AbstractItemProvider.2"), Messages.getString("AbstractItemProvider.3"), //$NON-NLS-1$ //$NON-NLS-2$ |
| ContainerView.getDeleteImageDescriptor()); |
| this.object = object; |
| } |
| |
| /** |
| * @since 2.0 |
| */ |
| @Override |
| protected void doRun(IProgressMonitor progressMonitor) throws Exception |
| { |
| LifecycleUtil.deactivateNoisy(object); |
| } |
| } |
| } |