Example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement

List of usage examples for org.eclipse.jface.viewers IStructuredSelection getFirstElement

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement.

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:ch.gpb.elexis.cst.view.CstThemenblockEditor.java

License:Open Source License

private void moveItemDown() {
    IStructuredSelection selection2 = (IStructuredSelection) tableViewerCstGroup.getSelection();
    CstGroup selGroup = (CstGroup) selection2.getFirstElement();

    try {//from w ww  .j a v  a 2  s.  co m
        IStructuredSelection selection = (IStructuredSelection) tableViewerLabItem.getSelection();
        LabItemWrapper selItem = (LabItemWrapper) selection.getFirstElement();
        if (selItem == null) {
            return;
        }
        int selIndex = tableViewerLabItem.getTable().getSelectionIndex();
        if (selIndex + 1 >= tableViewerLabItem.getTable().getItemCount()) {
            return;
        }

        TableItem tableItem = tableViewerLabItem.getTable().getItem(selIndex + 1);
        LabItemWrapper belowItem = (LabItemWrapper) tableItem.getData();

        int rank1 = (int) itemRanking.get(selItem.getLabItem().getId());
        int rank2 = (int) itemRanking.get(belowItem.getLabItem().getId());
        itemRanking.put(selItem.getLabItem().getId(), rank1 + 1);
        itemRanking.put(belowItem.getLabItem().getId(), rank2 - 1);

        selGroup.setMap(CstGroup.ITEMRANKING, itemRanking);

        tableViewerLabItem.refresh();
    } catch (Exception e) {
        e.printStackTrace();
        showMessage("Fehler: die Reihenfolge der Laboritems muss neu initialisiert werden.");
        reinitRanking(selGroup);
    }

}

From source file:ch.gpb.elexis.cst.view.profileeditor.RemindersComposite.java

License:Open Source License

public RemindersComposite(Composite parent) {
    super(parent, SWT.NONE);

    GridLayout gridLayout = new GridLayout(4, false);
    setLayout(gridLayout);//from   w  w w.j av  a  2s  .co  m

    createLayout(this);

    treeviewer = new TreeViewer(this, SWT.BORDER);
    Tree tree_1 = treeviewer.getTree();
    GridData gd_tree_1 = new GridData(SWT.LEFT, SWT.CENTER, false, false, 4, 1);
    gd_tree_1.heightHint = 230;
    gd_tree_1.widthHint = 500;
    tree_1.setLayoutData(gd_tree_1);
    treeviewer.setContentProvider(new ViewContentProvider());
    treeviewer.setLabelProvider(new ViewLabelProvider());

    Button btnNewAction = new Button(this, SWT.NONE);
    btnNewAction.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
    btnNewAction.setText("Start new event chain");
    btnNewAction.addSelectionListener(new NewItemListener());

    Button btnExpandAll = new Button(this, SWT.NONE);
    btnExpandAll.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
    btnExpandAll.setText("Expand All");
    btnExpandAll.addSelectionListener(new ExpandAllListener());

    MenuManager menuMgr = new MenuManager();
    Menu menu = menuMgr.createContextMenu(treeviewer.getControl());
    menuMgr.addMenuListener(new IMenuListener() {
        @Override
        public void menuAboutToShow(IMenuManager manager) {
            if (treeviewer.getSelection().isEmpty()) {
                return;
            }

            if (treeviewer.getSelection() instanceof IStructuredSelection) {
                IStructuredSelection selection = (IStructuredSelection) treeviewer.getSelection();
                manager.add(actionAddObject);
                manager.add(actionDeleteObject);
                manager.add(actionEditObject);

            }
        }
    });

    menuMgr.setRemoveAllWhenShown(true);
    treeviewer.getControl().setMenu(menu);
    treeviewer.getTree().setHeaderVisible(true);
    ColumnViewerToolTipSupport.enableFor(treeviewer);

    makeActions();

    CoreHub.heart.addListener(this);
    new Label(this, SWT.NONE);

    lblHeart = new Label(this, SWT.NONE);
    lblHeart.setText(Messages.RemindersComposite_lblHeart_text);
    GridData gd_lblHeart = new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1);
    gd_lblHeart.heightHint = 50;
    gd_lblHeart.widthHint = 50;
    lblHeart.setLayoutData(gd_lblHeart);
    new Label(this, SWT.NONE);
    new Label(this, SWT.NONE);
    new Label(this, SWT.NONE);

    lblCheckingForActions = new Label(this, SWT.NONE);
    lblCheckingForActions.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
    lblCheckingForActions.setText(Messages.RemindersComposite_lblCheckingForActions_text);

    treeviewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            TreeViewer viewer = (TreeViewer) event.getViewer();
            IStructuredSelection thisSelection = (IStructuredSelection) event.getSelection();
            Object selectedNode = thisSelection.getFirstElement();
            viewer.setExpandedState(selectedNode, !viewer.getExpandedState(selectedNode));
        }
    });

    imageList = Arrays.asList(imgHeart1, imgHeart2, imgHeart3, imgHeartA, imgHeartB, imgHeartC, imgHeartD,
            imgHeartE);

    lblCheckingForActions.setVisible(false);
    lblHeart.setVisible(false);
}

From source file:ch.gpb.elexis.cst.view.profileeditor.RemindersComposite.java

License:Open Source License

private void makeActions() {
    actionAddObject = new Action() {
        public void run() {
            IStructuredSelection selection = (IStructuredSelection) treeviewer.getSelection();
            System.out.println("sel tree: " + selection.toString());
            CstStateItem selItem = (CstStateItem) selection.getFirstElement();

            addObject(selItem);//ww w  .  j a v a 2s  . co m
            treeviewer.refresh();
            //expandAll();
            treeviewer.setExpandedState(selItem, true);

        }
    };
    actionAddObject.setText("Add Item");
    actionAddObject.setImageDescriptor(
            PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJ_ADD));

    actionEditObject = new Action() {
        public void run() {
            IStructuredSelection selection = (IStructuredSelection) treeviewer.getSelection();
            System.out.println("sel tree: " + selection.toString());
            CstStateItem selItem = (CstStateItem) selection.getFirstElement();

            CstReminderDialog dialog = new CstReminderDialog(getShell(), CoreHub.actMandant);
            dialog.create();

            dialog.setName(selItem.getName());
            dialog.setDescription(selItem.getDescription());
            dialog.setType(selItem.getItemType());
            dialog.setDate(CstService.getDateFromCompact(selItem.getDate()));

            StateType selType = null;
            String name = null;
            String desc = null;
            Date date = null;

            if (dialog.open() == Window.OK) {
                selType = dialog.getItemType();
                name = dialog.getGroupName();
                desc = dialog.getGroupDescription();
                date = dialog.getDate();

            } else {
                return;
            }

            selItem.setName(name);
            selItem.setDescription(desc);
            selItem.setItemType(selType);
            selItem.setDate(CstService.getCompactFromDate(date));

            treeviewer.refresh();
            //expandAll();

        }
    };
    actionEditObject.setText("Edit Item");
    actionEditObject.setImageDescriptor(
            PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_ETOOL_SAVE_EDIT));

    actionDeleteObject = new Action() {
        public void run() {
            TreeSelection selection = (TreeSelection) treeviewer.getSelection();
            System.out.println("sel tree: " + selection.toString());
            CstStateItem selItem = (CstStateItem) selection.getFirstElement();
            //selection.getPaths();
            //CstStateItem parent = (CstStateItem) selItem.getParent();

            //TreeItem treeItem = (TreeItem) selection.getFirstElement();

            List<CstStateItem> result = new ArrayList<CstStateItem>();
            List<CstStateItem> itemsToDelete = getChildrenToDelete(selItem, result);
            itemsToDelete.add(selItem);

            for (CstStateItem cstStateItem : itemsToDelete) {
                cstStateItem.delete();
            }

            treeviewer.setInput(CstStateItem.getRootItems(aProfile));
            expandAll();
            //

            //treeviewer.setExpandedState(CstStateItem.getParent(selItem), true);

        }
    };
    actionDeleteObject.setText("Delete Item");
    actionDeleteObject.setImageDescriptor(
            PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_ETOOL_DELETE));

}

From source file:ch.gpb.elexis.kgexporter.handlers.KgExportHandler.java

License:Open Source License

/**
 * the command has been executed, so extract extract the needed information
 * from the application context./*  w  w w.  j av a 2s  .c  om*/
 */
public Object execute(ExecutionEvent event) throws ExecutionException {
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    activeShell = window.getShell();

    // init the selection
    ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
    if (selection instanceof IStructuredSelection) {

        IStructuredSelection strucSelection = (IStructuredSelection) selection;
        Object selected = strucSelection.getFirstElement();
        if (selected instanceof Patient) {
            patient = (Patient) selected;
            String msg = "Exporting Patient with ID: " + patient.getId();
            final KgExportWizard kgExportWizard = new KgExportWizard();

            WizardDialog wizardDialog = new WizardDialog(activeShell, kgExportWizard);
            wizardDialog.setTitle(msg);

            if (wizardDialog.open() == Window.OK) {
                CoreHub.userCfg.set(KgExportPreference.PREF_KGEXPORT_FOOTERTEXT,
                        kgExportWizard.getFooterText());

                UiDesk.asyncExec(new Runnable() {
                    public void run() {
                        export(kgExportWizard.getExportPath(), kgExportWizard.getSelectedCategories(),
                                kgExportWizard.getFooterText());

                    }
                });
            }

        }
    }

    return null;
}

From source file:ch.hsr.ifs.cutelauncher.ui.ConvertProjectAction.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection sel = (IStructuredSelection) selection;
        Object obj = sel.getFirstElement();
        if (obj instanceof IProject) {
            IProject project = (IProject) obj;
            setSelectedProject(project);
            return;
        }/*  w ww .  ja va2s .  c o m*/
    }
    setSelectedProject(null);
}

From source file:ch.mlutz.plugins.t4e.handlers.AnalyzeHandler.java

License:Open Source License

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    if (event.getCommand().getId().equals(Command.ANALYZE)) {

        // get workbench window
        IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
        // set selection service
        ISelectionService service = window.getSelectionService();
        // set structured selection
        IStructuredSelection structured = (IStructuredSelection) service.getSelection();

        //check if it is an IFile
        Object el = structured.getFirstElement();
        log.info(el.getClass().getName());

        ICompilationUnit compilationUnit = null;

        if (!(el instanceof ICompilationUnit) && el instanceof IFile) {
            IFile file = (IFile) el;//from w  ww.j  a va 2s.co m

            compilationUnit = JavaCore.createCompilationUnitFrom((IFile) file);
            final IJavaElement javaElement = JavaCore.create((IFile) file);
            log.info(javaElement.toString());
            IPath path = file.getLocation();
            System.out.println(path.toPortableString());
        }

        if (el instanceof ICompilationUnit) {
            compilationUnit = (ICompilationUnit) el;

            log.info(compilationUnit.toString());
            try {
                log.info(compilationUnit.getTypes().toString());
            } catch (JavaModelException e) {
                log.warn("Getting types from compilation unit failed. ", e);
            }
        }

        /*
        //check if it is an ICompilationUnit
        if (structured.getFirstElement() instanceof ICompilationUnit) {
           ICompilationUnit cu = (ICompilationUnit) structured.getFirstElement();
           System.out.println(cu.getElementName());
        }
        */
    }

    return null;
}

From source file:ch.mlutz.plugins.t4e.handlers.ClasspathContainerHandler.java

License:Open Source License

private Object onAddClasspathContainer(ExecutionEvent event) throws ExecutionException {

    // boolean oldValue = HandlerUtil.toggleCommandState(event.getCommand());

    String localRepositoryDir = MavenTools.getMavenLocalRepoPath();
    log.info("LocalRepositoryDir: " + localRepositoryDir);

    /*/*from  w w w.  j a  v  a  2  s .c  om*/
         try {
    JavaCore.setClasspathContainer(containerSuggestion.getPath(), new IJavaProject[] {project},
       new IClasspathContainer[] {new Maven2ClasspathContainer(containerPath, bundleUpdater.newEntries)}, null);
         } catch(JavaModelException ex) {
    Maven2Plugin.getDefault().getConsole().logError(ex.getMessage());
         }
     */

    // get workbench window
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    // set selection service
    ISelectionService service = window.getSelectionService();
    // set structured selection
    IStructuredSelection structured = (IStructuredSelection) service.getSelection();

    //check if it is an IFile
    Object el = structured.getFirstElement();

    if (el instanceof IJavaProject) {

        IJavaProject javaProject = (IJavaProject) el;

        // Create new Classpath Container Entry
        IClasspathEntry containerEntry = JavaCore.newContainerEntry(CONTAINER_PATH);

        // Initialize Classpath Container
        ClasspathContainerInitializer containerInit = JavaCore
                .getClasspathContainerInitializer(Constants.CONTAINER_ID);
        try {
            containerInit.initialize(new Path(Constants.CONTAINER_ID), javaProject);

            // Set Classpath of Java Project
            List<IClasspathEntry> projectClassPath = new ArrayList<IClasspathEntry>(
                    Arrays.asList(javaProject.getRawClasspath()));
            projectClassPath.add(containerEntry);
            javaProject.setRawClasspath(projectClassPath.toArray(new IClasspathEntry[projectClassPath.size()]),
                    null);
        } catch (CoreException e) {
            log.error("Could not add Classpath container: ", e);
        }

        /*
        IClasspathEntry varEntry = JavaCore.newContainerEntry(
              new Path("JDKLIB/default"), // container 'JDKLIB' + hint 'default'
              false); //not exported
                
        try {
           JavaCore.setClasspathContainer(
          new Path("JDKLIB/default"),
          new IJavaProject[]{ (IJavaProject) el }, // value for 'myProject'
          new IClasspathContainer[] {
             new IClasspathContainer() {
                public IClasspathEntry[] getClasspathEntries() {
                   return new IClasspathEntry[]{
                         JavaCore.newLibraryEntry(new Path("d:/rt.jar"), null, null, false)
                   };
                }
                public String getDescription() { return "Basic JDK library container"; }
                public int getKind() { return IClasspathContainer.K_SYSTEM; }
                public IPath getPath() { return new Path("JDKLIB/basic"); }
             }
          },
          null);
        } catch (JavaModelException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
        }
        */
    }
    return null;
}

From source file:ch.mlutz.plugins.t4e.handlers.ClasspathContainerHandler.java

License:Open Source License

private Object onRemoveClasspathContainer(ExecutionEvent event) throws ExecutionException {
    // get workbench window
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    // set selection service
    ISelectionService service = window.getSelectionService();
    // set structured selection
    IStructuredSelection structured = (IStructuredSelection) service.getSelection();

    //check if it is an IFile
    Object el = structured.getFirstElement();

    if (el instanceof IJavaProject) {

        IJavaProject javaProject = (IJavaProject) el;

        try {//  ww  w  .  j a va2s .  c  o  m
            // Set Classpath of Java Project
            List<IClasspathEntry> projectClassPath = new ArrayList<IClasspathEntry>(
                    Arrays.asList(javaProject.getRawClasspath()));

            IClasspathEntry entry;
            for (int i = projectClassPath.size() - 1; i >= 0; --i) {
                entry = projectClassPath.get(i);
                if (entry.getPath().equals(CONTAINER_PATH)) {
                    projectClassPath.remove(i);
                }
            }

            javaProject.setRawClasspath(projectClassPath.toArray(new IClasspathEntry[projectClassPath.size()]),
                    null);
        } catch (CoreException e) {
            log.error("Could not remove Classpath container: ", e);
        }
    }
    return null;
}

From source file:ch.mlutz.plugins.t4e.handlers.CommandHandler.java

License:Open Source License

@Override
public void preExecute(String commandId, ExecutionEvent event) {
    if ("org.eclipse.ui.file.refresh".equals(commandId)) {
        System.out.println("preExecute called on org.eclipse.ui.file.refresh " + event.toString());
        Activator activator = Activator.getDefault();
        IWorkbench workbench = activator.getWorkbench();
        IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
        ISelectionService selectionService = workbenchWindow.getSelectionService();
        if (selectionService != null) {
            System.out.println("selectionService is NOT NULL!");
            ISelection selection = selectionService.getSelection("org.eclipse.jdt.ui.PackageExplorer");

            if (selection instanceof IStructuredSelection) {

                System.out.println("selection instanceof IStructuredSelection!");

                IStructuredSelection ssel = (IStructuredSelection) selection;

                System.out.println("selection 1");

                Object obj = ssel.getFirstElement();

                System.out.println("selection 2");

                IFile file = (IFile) Platform.getAdapterManager().getAdapter(obj, IFile.class);

                System.out.println("selection 3");

                if (file == null) {
                    if (obj instanceof IAdaptable) {
                        file = (IFile) ((IAdaptable) obj).getAdapter(IFile.class);
                    }/* w  w w  .jav a2  s. c o m*/
                }

                System.out.println("selection 4");

                if (file != null) {
                    // do something
                    System.out.println("Refreshed file: " + file.getFullPath());
                }
            } else {
                System.out.println("!(selection instanceof IStructuredSelection): "
                        + (selection != null ? selection.getClass() : "null"));
            }
        } else {
            System.out.println("selectionService is NULL!");
        }
    }
}

From source file:ch.mlutz.plugins.t4e.handlers.RefreshHandler.java

License:Open Source License

/**
 * This execute handles refresh and refresh all commands
 *///  w w  w .j a va 2  s .c  om
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    // get workbench window
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    // set selection service
    ISelectionService service = window.getSelectionService();
    // set structured selection
    IStructuredSelection structured = (IStructuredSelection) service.getSelection();

    TapestryIndexer tapestryIndexer = Activator.getDefault().getTapestryIndexer();
    if (event.getCommand().getId().equals(Command.REFRESH)) {
        log.info("Refresh one project.");

        IProject project = null;
        if (structured.getFirstElement() instanceof IProject) {
            project = (IProject) structured.getFirstElement();
        } else if (structured.getFirstElement() instanceof IJavaProject) {
            project = ((IJavaProject) structured.getFirstElement()).getProject();
        }

        tapestryIndexer.removeProjectFromIndex(project);
        tapestryIndexer.addProjectToIndex(project);
    } else if (event.getCommand().getId().equals(Command.CLEAR_TAPESTRY_INDEX)) {
        log.info("Cleared Tapestry index.");
        Activator.getDefault().getTapestryIndex().clear();
    }

    /*
    // get workbench window
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    // set selection service
    ISelectionService service = window.getSelectionService();
    // set structured selection
    IStructuredSelection structured = (IStructuredSelection) service.getSelection();
            
    //check if it is an IFile
    if (structured.getFirstElement() instanceof IFile) {
       // get the selected file
       IFile file = (IFile) structured.getFirstElement();
       // get the path
       IPath path = file.getLocation();
       System.out.println(path.toPortableString());
    }
            
    //check if it is an ICompilationUnit
    if (structured.getFirstElement() instanceof ICompilationUnit) {
       ICompilationUnit cu = (ICompilationUnit) structured.getFirstElement();
       System.out.println(cu.getElementName());
    }
    */

    return null;
}