Package org.eclipse.jface.viewers

Examples of org.eclipse.jface.viewers.IStructuredSelection

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        }
      });

      fViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
          IStructuredSelection selection = (IStructuredSelection) event.getSelection();
          IFolder folder = selection.getFirstElement() instanceof IFolder ? (IFolder) selection.getFirstElement() : null;

          /* Expand / Collapse Folder */
          if (folder != null && !folder.getChildren().isEmpty()) {
            boolean expandedState = !fViewer.getExpandedState(folder);
            fViewer.setExpandedState(folder, expandedState);
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  public static IFolder getBookMarkExplorerSelection() {
    IWorkbenchPage page = getPage();
    if (page != null) {
      IViewPart viewPart = page.findView(BookMarkExplorer.VIEW_ID);
      if (viewPart != null) {
        IStructuredSelection selection = (IStructuredSelection) viewPart.getSite().getSelectionProvider().getSelection();
        if (!selection.isEmpty()) {
          Object selectedEntity = selection.iterator().next();
          if (selectedEntity instanceof IFolder)
            return (IFolder) selectedEntity;
          else if (selectedEntity instanceof IMark)
            return ((IMark) selectedEntity).getParent();
        }
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   */
  @Override
  public void run() {

    /* Retrieve Selection */
    IStructuredSelection selection;
    if (fSelection != null)
      selection = fSelection;
    else
      selection = (IStructuredSelection) fSelectionProvider.getSelection();

    /* Selection Present */
    if (!selection.isEmpty()) {

      /* Retrieve selected Entities */
      List<IEntity> selectedEntities = ModelUtils.getEntities(selection);

      /* Collect responsible property-pages */
 
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    fParent = null;
    fPosition = null;

    /* Check Selection */
    if (selection instanceof IStructuredSelection) {
      IStructuredSelection structSel = (IStructuredSelection) selection;
      if (!structSel.isEmpty()) {
        Object firstElement = structSel.getFirstElement();
        if (firstElement instanceof IFolder)
          fParent = (IFolder) firstElement;
        else if (firstElement instanceof IMark) {
          fParent = ((IMark) firstElement).getParent();
          fPosition = ((IMark) firstElement);
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      linkToFeedView((IStructuredSelection) selection);
    }
  }

  private void onDoubleClick(DoubleClickEvent event) {
    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    Object firstElem = selection.getFirstElement();

    /* Expand / Collapse Folders */
    if (firstElem instanceof IFolder || firstElem instanceof EntityGroup) {
      boolean expandedState = !fViewer.getExpandedState(firstElem);
      fViewer.setExpandedState(firstElem, expandedState);
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        fExpandedNodes.remove(((EntityGroup) element).getId());
    }
  }

  private void onOpen() {
    IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
    List<?> list = selection.toList();
    boolean activateEditor = OpenStrategy.activateOnOpen();
    int openedEditors = 0;
    int maxOpenEditors = EditorUtils.getOpenEditorLimit();

    /* Open Editors for the given Selection */
 
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    fParent = null;
    fPosition = null;

    /* Check Selection */
    if (selection instanceof IStructuredSelection) {
      IStructuredSelection structSel = (IStructuredSelection) selection;
      if (!structSel.isEmpty()) {
        Object firstElement = structSel.getFirstElement();
        if (firstElement instanceof IFolder)
          fParent = (IFolder) firstElement;
        else if (firstElement instanceof IMark) {
          fParent = ((IMark) firstElement).getParent();
          fPosition = ((IMark)firstElement);
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    /* New BookMark */
    newMenu.add(new Action("Bookmark") {
      @Override
      public void run() {
        IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
        IFolder parent = getParent(selection);
        IMark position = (IMark) ((selection.getFirstElement() instanceof IMark) ? selection.getFirstElement() : null);
        new NewBookMarkAction(fViewSite.getShell(), parent, position).run(null);
      }

      @Override
      public ImageDescriptor getImageDescriptor() {
        return OwlUI.BOOKMARK;
      }
    });

    /* New Saved Search */
    newMenu.add(new Action("Saved Search") {
      @Override
      public void run() {
        IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
        IFolder parent = getParent(selection);
        IMark position = (IMark) ((selection.getFirstElement() instanceof IMark) ? selection.getFirstElement() : null);
        new NewSearchMarkAction(fViewSite.getShell(), parent, position).run(null);
      }

      @Override
      public ImageDescriptor getImageDescriptor() {
        return OwlUI.SEARCHMARK;
      }
    });

    /* New Folder */
    newMenu.add(new Separator());
    newMenu.add(new Action("Folder") {
      @Override
      public void run() {
        IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
        IFolder parent = getParent(selection);
        IMark position = (IMark) ((selection.getFirstElement() instanceof IMark) ? selection.getFirstElement() : null);
        new NewFolderAction(fViewSite.getShell(), parent, position).run(null);
      }

      @Override
      public ImageDescriptor getImageDescriptor() {
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    fSpecifierViewer.setSelection(new StructuredSelection(fCondition.getSpecifier()));

    /* Listen to Selection Changes in the Field-Viewer */
    fFieldViewer.addSelectionChangedListener(new ISelectionChangedListener() {
      public void selectionChanged(SelectionChangedEvent event) {
        IStructuredSelection selection = (IStructuredSelection) event.getSelection();
        if (!selection.isEmpty()) {

          /* Remember old Selection */
          ISelection oldSelection = fSpecifierViewer.getSelection();

          /* Set Field as Input */
          ISearchField field = (ISearchField) selection.getFirstElement();
          fSpecifierViewer.setInput(field);

          /* Try keeping the selection */
          fSpecifierViewer.setSelection(oldSelection);
          if (fSpecifierViewer.getCombo().getSelectionIndex() == -1)
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    updateInputField(fInputFieldContainer, fCondition.getField(), fCondition.getValue());

    /* Listen to Selection Changes in the Field-Viewer */
    fFieldViewer.addSelectionChangedListener(new ISelectionChangedListener() {
      public void selectionChanged(SelectionChangedEvent event) {
        IStructuredSelection selection = (IStructuredSelection) event.getSelection();
        if (!selection.isEmpty()) {
          ISearchField field = (ISearchField) selection.getFirstElement();
          updateInputField(fInputFieldContainer, field, null);
        }
      }
    });
  }
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