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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.skynet.widgets;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.operation.ClientLogger;
import org.eclipse.osee.framework.core.operation.Operations;
import org.eclipse.osee.framework.jdk.core.util.Collections;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.ui.skynet.ArtifactLabelProvider;
import org.eclipse.osee.framework.ui.skynet.artifact.ArtifactTransfer;
import org.eclipse.osee.framework.ui.skynet.blam.operation.StringGuidsToArtifactListOperation;
import org.eclipse.osee.framework.ui.skynet.branch.BranchSelectionDialog;
import org.eclipse.osee.framework.ui.skynet.internal.Activator;
import org.eclipse.osee.framework.ui.skynet.util.SkynetDragAndDrop;
import org.eclipse.osee.framework.ui.swt.Displays;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
/**
* @author Ryan D. Brooks
*/
public class XListDropViewer extends XListViewer implements IXWidgetInputAddable {
private MenuItem removeFromMenuItem;
private TableViewer myTableViewer;
private ArrayContentProvider myArrayContentProvider = null;
private ArtifactLabelProvider myArtifactLabelProvider = null;
private Menu popupMenu;
protected boolean singleItemMode;
public XListDropViewer(String displayLabel) {
super(displayLabel);
this.myArrayContentProvider = new ArrayContentProvider();
setContentProvider(this.myArrayContentProvider);
this.myArtifactLabelProvider = new ArtifactLabelProvider();
setLabelProvider(this.myArtifactLabelProvider);
}
@Override
protected void createControls(Composite parent, int horizontalSpan) {
popupMenu = new Menu(parent);
setMultiSelect(true);
super.setListMenu(popupMenu);
super.createControls(parent, horizontalSpan);
new XDragAndDrop();
this.myTableViewer = super.getTableViewer();
createRemoveFromMenuItem(popupMenu);
myTableViewer.getTable().setMenu(popupMenu);
}
private void createRemoveFromMenuItem(final Menu popupMenu) {
removeFromMenuItem = new MenuItem(popupMenu, SWT.PUSH);
removeFromMenuItem.setText("Remove");
removeFromMenuItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
IStructuredSelection structuredSelection = (IStructuredSelection) myTableViewer.getSelection();
Iterator<?> iterator = structuredSelection.iterator();
Collection<Object> items = getCollectionInput();
if (items != null && !items.isEmpty()) {
List<Object> modList = new ArrayList<>();
while (iterator.hasNext()) {
modList.remove(iterator.next());
}
Object orginalInput = getInput();
myArrayContentProvider.inputChanged(myTableViewer, orginalInput, modList);
setInput(modList);
notifyXModifiedListeners();
refresh();
}
}
});
MenuItem paste = new MenuItem(popupMenu, SWT.NONE);
paste.setText("Paste GUIDs from Clipboard");
paste.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Displays.ensureInDisplayThread(new Runnable() {
@Override
public void run() {
Clipboard cb = new Clipboard(popupMenu.getDisplay());
try {
TextTransfer transfer = TextTransfer.getInstance();
String data = (String) cb.getContents(transfer);
IOseeBranch branch = BranchSelectionDialog.getBranchFromUser();
Operations.executeAsJob(new StringGuidsToArtifactListOperation(new ClientLogger(Activator.class),
data, branch, XListDropViewer.this), true);
} finally {
cb.dispose();
}
}
});
}
});
}
public List<Artifact> getArtifacts() {
return Collections.castAll(getData());
}
public List<Artifact> getSelectedArtifacts() {
List<Object> selectedArtifacts = new ArrayList<>();
Collections.flatten(getSelected(), selectedArtifacts);
return Collections.castAll(Artifact.class, selectedArtifacts);
}
/**
* Adds artifacts to the viewer's input.
*/
public void addToInput(Artifact... artifacts) {
List<Object> objects = new ArrayList<>();
for (Artifact artifact : artifacts) {
objects.add(artifact);
}
addToInput(objects);
}
@Override
public void addToInput(final Collection<Object> objects) {
if (!objects.isEmpty()) {
Displays.ensureInDisplayThread(new Runnable() {
@Override
public void run() {
if (getInput() == null) {
setInput(objects);
} else {
add(objects);
updateListWidget();
}
notifyXModifiedListeners();
}
});
}
}
@SuppressWarnings("unchecked")
@Override
public Collection<Object> getData() {
return (Collection<Object>) getInput();
}
private class XDragAndDrop extends SkynetDragAndDrop {
public XDragAndDrop() {
super(null, getControl(), "viewId");
}
@Override
public void performDragOver(DropTargetEvent event) {
if (ArtifactTransfer.getInstance().isSupportedType(event.currentDataType)) {
event.detail = DND.DROP_COPY;
}
}
@Override
public Artifact[] getArtifacts() {
return null;
}
@Override
public void performArtifactDrop(Artifact[] dropArtifacts) {
addToInput(dropArtifacts);
if (XListDropViewer.this.singleItemMode && dropArtifacts.length > 1) {
setMessage(XListDropViewer.class.getSimpleName(), String.format("Only 1 [%s] can be present", getLabel()),
IMessageProvider.ERROR);
}
setSelected(dropArtifacts);
notifyXModifiedListeners();
refresh();
}
}
}
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