Example usage for org.eclipse.jface.viewers StructuredSelection EMPTY

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In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection EMPTY.

Prototype

StructuredSelection EMPTY

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The canonical empty selection.

Usage

From source file:com.archimatetool.editor.diagram.DiagramEditorFindReplaceProviderTests.java

License:Open Source License

@Before
public void runOnceBeforeEachTest() {
    // Deselect all nodes in Viewer
    editor.getGraphicalViewer().setSelection(StructuredSelection.EMPTY);
}

From source file:com.archimatetool.editor.views.tree.TreeModelViewerFindReplaceProviderTests.java

License:Open Source License

@Before
public void runOnceBeforeEachTest() {
    // Deselect all nodes in Tree
    treeViewer.setSelection(StructuredSelection.EMPTY);
}

From source file:com.architexa.org.eclipse.gef.ui.actions.SelectionAction.java

License:Open Source License

/**
 * @see com.architexa.org.eclipse.gef.Disposable#dispose()
 *//*www. j a va 2s  .co m*/
public void dispose() {
    this.selection = StructuredSelection.EMPTY;
    super.dispose();
}

From source file:com.architexa.org.eclipse.gef.ui.parts.ContentOutlinePage.java

License:Open Source License

/**
 * Forwards selection request to the viewer.
 * @see org.eclipse.jface.viewers.ISelectionProvider#getSelection()
 *///from   ww  w .j  a va2 s. com
public ISelection getSelection() {
    //$TODO when could this even happen?
    if (getViewer() == null)
        return StructuredSelection.EMPTY;
    return getViewer().getSelection();
}

From source file:com.atlassian.connector.eclipse.ui.actions.AbstractResourceAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        selectionChanged((IStructuredSelection) selection);
    } else {//from  w w  w .  jav  a2s . c  o  m
        selectionChanged(StructuredSelection.EMPTY);
    }
    action.setEnabled(isEnabled());
}

From source file:com.axmor.eclipse.typescript.editor.TypeScriptQuickOutlineDialog.java

License:Open Source License

/**
 * Selects the first element in the tree which
 * matches the current filter pattern./*from ww  w. j a v a2 s .c  o  m*/
 */
private void selectFirstMatch() {
    Tree tree = treeViewer.getTree();
    Object element = findFirstMatchToPattern(tree.getItems());
    if (element != null) {
        treeViewer.setSelection(new StructuredSelection(element), true);
    } else {
        treeViewer.setSelection(StructuredSelection.EMPTY);
    }
}

From source file:com.bdaum.zoom.ui.internal.NavigationHistory.java

License:Open Source License

public void resetHistory() {
    previousStack.clear();//from w ww  .ja va2  s .com
    nextStack.clear();
    selectedAssets = AssetSelection.EMPTY;
    otherSelection = StructuredSelection.EMPTY;
    fireSelection(null, new StructuredSelection(ICollectionProcessor.EMPTYCOLLECTION));
}

From source file:com.bdaum.zoom.ui.internal.views.AbstractGalleryView.java

License:Open Source License

public ISelection getSelection() {
    return (selection != null) ? selection : StructuredSelection.EMPTY;
}

From source file:com.bdaum.zoom.ui.internal.views.CatalogView.java

License:Open Source License

@Override
public void createPartControl(final Composite parent) {
    undoContext = new UndoContext() {
        @Override/*w  w  w  . j  a v a2s .co  m*/
        public String getLabel() {
            return Messages.getString("CatalogView.catalog_undo_context"); //$NON-NLS-1$
        }
    };
    viewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL);
    drillDownAdapter = new DrillDownAdapter((TreeViewer) viewer);
    viewer.setContentProvider(new CatalogContentProvider());
    viewer.setLabelProvider(new CatalogLabelProvider(this));
    viewer.setFilters(new ViewerFilter[] { colorCodeFilter, userFilter });
    viewer.setComparator(new CatalogComparator());
    viewer.setComparer(IdentifiedElementComparer.getInstance());
    UiUtilities.installDoubleClickExpansion((TreeViewer) viewer);
    ZColumnViewerToolTipSupport.enableFor(viewer);
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), HelpContextIds.CATALOG_VIEW);
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(final SelectionChangedEvent event) {
            selectionChanged = true;
            if (viewer.getStructuredSelection().getFirstElement() == WASTEBASKET) {
                try {
                    getSite().getPage().showView(TrashcanView.ID);
                } catch (PartInitException e) {
                    // shouldn't happen
                }
                return;
            }
            if (!settingSelection) {
                cancelJobs(CatalogView.this);
                new SelectionJob(viewer, event).schedule();
            }
            if (cntrlDwn && editItemAction.isEnabled()) {
                if (!settingSelection)
                    editItemAction.run();
                cntrlDwn = false;
            }
        }
    });
    addCtrlKeyListener();
    viewer.addDropSupport(OPERATIONS, allTypes, new CatalogDropTargetListener(viewer.getControl()));
    viewer.addDragSupport(DND.DROP_MOVE, new Transfer[] { selectionTransfer }, new CatalogDragSourceListener());
    addKeyListener();
    Tree tree = ((TreeViewer) viewer).getTree();
    addGestureListener(tree);
    makeActions();
    installListeners();
    hookContextMenu(viewer);
    contributeToActionBars();
    addDragDropClipboard(tree);
    getSite().getWorkbenchWindow().addPerspectiveListener(this);
    Core.getCore().addCatalogListener(new CatalogAdapter() {
        @Override
        public void structureModified() {
            Shell shell = getSite().getShell();
            if (shell != null && !shell.isDisposed())
                shell.getDisplay().asyncExec(() -> {
                    if (!shell.isDisposed())
                        refresh();
                });
        }

        @Override
        public void assetsModified(BagChange<Asset> changes, QueryField node) {
            forceSelectionUpdate();
        }

        @Override
        public void applyRules(Collection<? extends Asset> assets, QueryField node) {
            OperationJob.executeSlaveOperation(
                    new AutoRuleOperation(UiActivator.getDefault().obtainAutoRules(), assets, node),
                    CatalogView.this, false);
        }

        private void forceSelectionUpdate() {
            Shell shell = getSite().getShell();
            if (shell != null && !shell.isDisposed())
                shell.getDisplay().asyncExec(() -> {
                    if (!shell.isDisposed()) {
                        ISelection selection = viewer.getSelection();
                        viewer.setSelection(StructuredSelection.EMPTY);
                        setViewerSelection(selection, true);
                        fireSelection(new SelectionChangedEvent(CatalogView.this, selection));
                    }
                });
        }

        @Override
        public void setCatalogSelection(final ISelection selection, final boolean forceUpdate) {
            try {
                Job.getJobManager().join(CatalogView.this, null);
            } catch (Exception e) {
                // do nothing
            }
            Shell shell = getSite().getShell();
            if (shell != null && !shell.isDisposed())
                shell.getDisplay().asyncExec(() -> {
                    if (!shell.isDisposed())
                        setSelection(selection, forceUpdate);
                });
        }

        @Override
        public void catalogOpened(boolean newDb) {
            Display display = getSite().getShell().getDisplay();
            display.syncExec(() -> BusyIndicator.showWhile(display, () -> {
                structureModified();
                restoreLastSelection();
                catOpen = true;
            }));
        }

        @Override
        public void catalogClosed(int mode) {
            if (mode != CatalogListener.EMERGENCY) {
                saveLastSelection();
                catOpen = false;
            }
        }
    });
    updateActions(viewer.getStructuredSelection(), true);
}

From source file:com.bdaum.zoom.ui.internal.views.CatalogView.java

License:Open Source License

public void setSelection(ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        Object firstElement = ((IStructuredSelection) selection).getFirstElement();
        if ((firstElement instanceof SlideShow && ((SlideShow) firstElement).getAdhoc())
                || (firstElement instanceof SmartCollection && ((SmartCollection) firstElement).getAdhoc()))
            selection = StructuredSelection.EMPTY;
        setViewerSelection(selection, selectionChanged);
        updateActions((IStructuredSelection) selection, false);
    }//  w w  w.j  ava  2s .co m
}