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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.workbench;
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import java.io.File;
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import java.net.URL;
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import java.util.Collection;
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import java.util.List;
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import org.eclipse.core.runtime.Platform;
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import org.eclipse.core.runtime.URIUtil;
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import org.eclipse.e4.ui.model.application.MApplication;
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import org.eclipse.e4.ui.model.application.ui.advanced.MArea;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.basic.MPartSashContainerElement;
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import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
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import org.eclipse.e4.ui.workbench.modeling.EModelService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.swt.program.Program;
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import eu.etaxonomy.taxeditor.workbench.part.IE4SavablePart;
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import eu.etaxonomy.taxeditor.workbench.part.ISelectionElementEditingPart;
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/**
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* Utility class for e4 workbench related operations
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* @author pplitzner
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* @since Jun 27, 2017
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*
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*/
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public class WorkbenchUtility {
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public static MPart getActiveEditorPart(EPartService partService){
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Collection<MPart> parts = partService.getParts();
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for (MPart part : parts) {
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if(part.getObject()!=null && part.getObject() instanceof IE4SavablePart
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&& part.isVisible()){
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return part;
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}
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}
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return null;
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}
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/**
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* Checks if the activePart is an E4 wrapper for a legacy part and returns
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* that part
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*
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* @param activePart the e4 wrapper
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* @return the wrapped legacy part or <code>null</code>
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*/
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public static Object getE4WrappedPart(Object activePart){
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//FIXME E4 can be removed when E4 migration is complete
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Object object = activePart;
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if(object instanceof MPart){
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object = ((MPart) activePart).getObject();
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}
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return object;
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}
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public static File getBaseLocation() {
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File baseLocation;
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try {
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baseLocation = new File(URIUtil.toURI(Platform.getInstallLocation().getURL()));
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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baseLocation = new File(baseLocation, "configuration"); //$NON-NLS-1$
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return baseLocation;
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}
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public static MPart findSavablePart(ISelectionElementEditingPart part){
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MPart selectionProvidingPart = part.getSelectionProvidingPart();
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if(selectionProvidingPart!=null){
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if(selectionProvidingPart.getObject() instanceof ISelectionElementEditingPart){
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return findSavablePart((ISelectionElementEditingPart) selectionProvidingPart.getObject());
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}
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return selectionProvidingPart;
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}
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return null;
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}
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public static MPartStack getPartStack(String stackId, MApplication application, EModelService modelService){
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if(application!=null){
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List<MPartStack> stacks = modelService.findElements(application, stackId, MPartStack.class, null);
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if(!stacks.isEmpty()){
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return stacks.iterator().next();
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}
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}
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return null;
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}
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public static MPartStack getEditorAreaPartStack(MApplication application, EModelService modelService){
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//FIXME E4 hack for opening in e3 editor area
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if(application!=null){
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//FIXME E4 hack for opening in e3 editor area
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List<MArea> elements = modelService.findElements(application, "org.eclipse.ui.editorss", MArea.class, null);
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for (MArea mArea : elements) {
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List<MPartSashContainerElement> children = mArea.getChildren();
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for (MPartSashContainerElement mPartSashContainerElement : children) {
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if(mPartSashContainerElement instanceof MPartStack){
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return (MPartStack) mPartSashContainerElement;
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}
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}
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}
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}
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return null;
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}
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public static boolean openWebpage(URL url){
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return Program.launch(url.toString());
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}
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}
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