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

List of usage examples for org.eclipse.jface.viewers StructuredSelection isEmpty

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  6. isEmpty

Introduction

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

Prototype

@Override
    public boolean isEmpty()

Source Link

Usage

From source file:com.toubassi.jface.Explorer.java

License:Open Source License

/**
 * Gets the selection from the last view that the user interacted
 * with that had a selection (either table or tree).
 * @return/*from w  ww  . ja  va2  s  . c  o  m*/
 */
public StructuredSelection getSelection() {
    StructuredSelection selection = StructuredSelection.EMPTY;

    if (lastSelectedViewer == tableViewer) {
        selection = getTableSelection();
        if (selection.isEmpty()) {
            selection = getTreeSelection();
        }
    } else {
        selection = getTreeSelection();
        if (selection.isEmpty()) {
            selection = getTableSelection();
        }
    }
    return selection;
}

From source file:com.vectrace.MercurialEclipse.history.ChangedPathsPage.java

License:Open Source License

private void contributeActions() {

    Action toggleShowComments = new Action(Messages.getString("HistoryView.showComments"), //$NON-NLS-1$
            MercurialEclipsePlugin.getImageDescriptor(IMG_COMMENTS)) {
        @Override//ww w  .j a va2 s . c o  m
        public void run() {
            showComments = isChecked();
            setViewerVisibility();
            store.setValue(PREF_SHOW_COMMENTS, showComments);
        }
    };

    toggleShowComments.setChecked(showComments);

    Action toggleShowDiffs = new Action(Messages
            // TODO create new text & image
            .getString("HistoryView.showDiffs"), //$NON-NLS-1$
            MercurialEclipsePlugin.getImageDescriptor(IMG_DIFFS)) {
        @Override
        public void run() {
            showDiffs = isChecked();
            setViewerVisibility();
            store.setValue(PREF_SHOW_DIFFS, showDiffs);
        }
    };
    toggleShowDiffs.setChecked(showDiffs);

    // Toggle wrap comments action
    Action toggleWrapCommentsAction = new Action(Messages.getString("HistoryView.wrapComments")) {
        @Override
        public void run() {
            wrapCommentsText = isChecked();
            setViewerVisibility();
            store.setValue(PREF_WRAP_COMMENTS, wrapCommentsText);
        }
    };
    toggleWrapCommentsAction.setChecked(wrapCommentsText);

    // Toggle path visible action
    Action toggleShowAffectedPathsAction = new Action(Messages.getString("HistoryView.showAffectedPaths"), //$NON-NLS-1$
            MercurialEclipsePlugin.getImageDescriptor(IMG_AFFECTED_PATHS_FLAT_MODE)) {
        @Override
        public void run() {
            showAffectedPaths = isChecked();
            setViewerVisibility();
            store.setValue(PREF_SHOW_PATHS, showAffectedPaths);
        }
    };
    toggleShowAffectedPathsAction.setChecked(showAffectedPaths);

    IHistoryPageSite parentSite = getHistoryPageSite();
    IPageSite pageSite = parentSite.getWorkbenchPageSite();
    IActionBars actionBars = pageSite.getActionBars();

    // Contribute toggle text visible to the toolbar drop-down
    IMenuManager actionBarsMenu = actionBars.getMenuManager();
    actionBarsMenu.add(toggleWrapCommentsAction);
    actionBarsMenu.add(new Separator());
    actionBarsMenu.add(toggleShowComments);
    actionBarsMenu.add(toggleShowAffectedPathsAction);
    actionBarsMenu.add(toggleShowDiffs);

    actionBarsMenu.add(new Separator());
    for (int i = 0; i < toggleAffectedPathsLayoutActions.length; i++) {
        actionBarsMenu.add(toggleAffectedPathsLayoutActions[i]);
    }

    // Create the local tool bar
    IToolBarManager tbm = actionBars.getToolBarManager();
    tbm.add(toggleShowComments);
    tbm.add(toggleShowAffectedPathsAction);
    tbm.add(toggleShowDiffs);
    tbm.update(false);

    actionBars.updateActionBars();

    final BaseSelectionListenerAction openAction = page.getOpenAction();
    final BaseSelectionListenerAction openEditorAction = page.getOpenEditorAction();
    final BaseSelectionListenerAction compareWithCurrent = page.getCompareWithCurrentAction();
    final BaseSelectionListenerAction compareWithPrevious = page.getCompareWithPreviousAction();
    final BaseSelectionListenerAction compareWithOther = page.getCompareWithOtherAction();
    final BaseSelectionListenerAction actionRevert = page.getRevertAction();
    final BaseSelectionListenerAction focusOnSelected = page.getFocusOnSelectedFileAction();

    changePathsViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            FileStatus fileStatus = (FileStatus) ((IStructuredSelection) event.getSelection())
                    .getFirstElement();
            MercurialRevision derived = getDerivedRevision(fileStatus, getCurrentRevision());
            if (derived == null) {
                return;
            }
            StructuredSelection selection = new StructuredSelection(new Object[] { derived, fileStatus });
            compareWithPrevious.selectionChanged(selection);
            compareWithPrevious.run();
        }
    });

    // Contribute actions to popup menu
    final MenuManager menuMgr = new MenuManager();
    menuMgr.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager menuMgr1) {
            IStructuredSelection selection = (IStructuredSelection) changePathsViewer.getSelection();
            if (selection.isEmpty()) {
                return;
            }
            FileStatus fileStatus = (FileStatus) selection.getFirstElement();
            MercurialRevision base = getCurrentRevision();
            MercurialRevision derived = getDerivedRevision(fileStatus, base);
            if (derived == null) {
                // XXX currently files outside workspace are not supported...
                return;
            }
            selection = new StructuredSelection(derived);
            openAction.selectionChanged(selection);
            focusOnSelected.selectionChanged(selection);
            openEditorAction.selectionChanged(selection);
            compareWithCurrent.selectionChanged(selection);
            compareWithOther.selectionChanged(selection);
            selection = new StructuredSelection(new Object[] { derived, fileStatus });
            compareWithPrevious.selectionChanged(selection);
            menuMgr1.add(openAction);
            menuMgr1.add(openEditorAction);
            menuMgr1.add(focusOnSelected);
            menuMgr1.add(new Separator(IWorkbenchActionConstants.GROUP_FILE));
            menuMgr1.add(compareWithCurrent);
            menuMgr1.add(compareWithPrevious);
            menuMgr1.add(compareWithOther);
            menuMgr1.add(new Separator());
            selection = new StructuredSelection(new Object[] { derived });
            actionRevert.selectionChanged(selection);
            menuMgr1.add(actionRevert);
            menuMgr1.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
        }

    });
    menuMgr.setRemoveAllWhenShown(true);
    changePathsViewer.getTable().setMenu(menuMgr.createContextMenu(changePathsViewer.getTable()));
}

From source file:de.walware.ecommons.ui.breadcrumb.AbstractBreadcrumb.java

License:Open Source License

private boolean doOpen(final ISelection selection) {
    if (!(selection instanceof StructuredSelection)) {
        return false;
    }// www  . j  a  va  2s  . c  o m
    final StructuredSelection structuredSelection = (StructuredSelection) selection;
    if (structuredSelection.isEmpty()) {
        return false;
    }
    return open(structuredSelection.getFirstElement());
}

From source file:de.walware.ecommons.ui.breadcrumb.AbstractBreadcrumb.java

License:Open Source License

private boolean doReveal(final ISelection selection) {
    if (!(selection instanceof StructuredSelection)) {
        return false;
    }/*from   w w  w .ja  va  2s.  co  m*/
    final StructuredSelection structuredSelection = (StructuredSelection) selection;
    if (structuredSelection.isEmpty()) {
        return false;
    }
    return reveal(structuredSelection.getFirstElement());
}

From source file:de.weingardt.mylyn.gitlab.ui.GitlabQueryPage.java

License:Open Source License

private void removeSelection() {
    StructuredSelection selection = (StructuredSelection) labelsViewer.getSelection();
    if (!selection.isEmpty()) {
        labelsViewer.remove(selection.toArray());
    }//from   w w  w  .  j a  v a2 s .c o  m
}

From source file:edu.uchicago.cs.hao.texdojo.bibeditor.editors.EditorUI.java

License:Open Source License

public BibEntry selected() {
    StructuredSelection sel = (StructuredSelection) table.getSelection();
    if (sel.isEmpty())
        return null;
    return (BibEntry) sel.getFirstElement();
}

From source file:edu.uchicago.cs.hao.texdojo.bibeditor.editors.EditorUI.java

License:Open Source License

public BibEntry[] allSelected() {
    StructuredSelection sel = (StructuredSelection) table.getSelection();
    if (sel == null || sel.isEmpty())
        return null;
    Object[] sels = sel.toArray();
    BibEntry[] allsels = new BibEntry[sels.length];
    for (int i = 0; i < sels.length; i++) {
        allsels[i] = (BibEntry) sels[i];
    }//from   ww  w .j ava2  s  .c  o  m
    return allsels;
}

From source file:era.foss.objecteditor.specobject.SpecObjectHandler.java

License:Open Source License

/**
 * Remove specObject and associated hierarchy element in {@link SpecHierarchy}
 * //  w  w  w. ja v a  2  s.com
 * @param specObject specObject to be deleted
 * */
public static void deleteSpecObject(EditingDomain editingDomain, SpecObject specObject) {
    CompoundCommand compoundCommand = new CompoundCommand();
    compoundCommand.setLabel(ErfObjectsEditorPlugin.INSTANCE.getString("_UI_DeleteSpecObject_label"));
    compoundCommand
            .setDescription(ErfObjectsEditorPlugin.INSTANCE.getString("_UI_DeleteSpecObject_description"));

    // delete SpecHierarachy
    StructuredSelection specHierarchySelection = new StructuredSelection(specObject.getSpecHierarchy());
    if (!specHierarchySelection.isEmpty()) {
        Command deleteSpecHierarachyCommand = new DeleteCommand(editingDomain, specHierarchySelection.toList());
        compoundCommand.append(deleteSpecHierarachyCommand);
    }

    // delete SpecObject
    Command deleteSpecObjectCommand = new DeleteCommand(editingDomain,
            new StructuredSelection(specObject).toList());
    compoundCommand.append(deleteSpecObjectCommand);

    editingDomain.getCommandStack().execute(compoundCommand);
}

From source file:es.cv.gvcase.ide.navigator.view.MOSKittModelNavigator.java

License:Open Source License

/**
 * If linking, propagate the selection in the {@link CommonViewer} to the
 * active {@link IEditorPart}./*w w  w.  j  a v  a2 s  . co  m*/
 * 
 * @param event
 *            the event
 */
protected void handleSelectionChangedToDiagram(SelectionChangedEvent event) {
    if (isLinkingEnabled() && startHandlingSelectionChange()) {
        IEditorPart activeEditor = NavigatorUtil.getActiveEditor();
        if (activeEditor instanceof IDiagramWorkbenchPart) {
            // set editor selection; select EditParts
            IDiagramGraphicalViewer viewer = ((IDiagramWorkbenchPart) activeEditor).getDiagramGraphicalViewer();
            if (viewer == null) {
                return;
            }
            List<EditPart> editPartsToSelect = NavigatorUtil.getEditPartsFromSelection(event.getSelection(),
                    viewer);
            StructuredSelection selectedEditParts = new StructuredSelection(editPartsToSelect);
            viewer.setSelection(selectedEditParts);
            if (!selectedEditParts.isEmpty()) {
                EditPart editPart = (EditPart) selectedEditParts.getFirstElement();
                viewer.reveal(editPart);
            }
        }
        endHandlingSelectionChange();
    }
}

From source file:es.cv.gvcase.mdt.common.actions.handlers.ClipboardActionHandler.java

License:Open Source License

protected void setSelectionTo(Collection<EObject> eObjects, IGraphicalEditPart editPart) {
    eObjects = fromViewToEObject(eObjects);
    Collection<IGraphicalEditPart> editParts = getEditPartsFor(eObjects, editPart);
    if (editParts != null && !editParts.isEmpty()) {
        IDiagramGraphicalViewer viewer = ((IDiagramWorkbenchPart) MDTUtil.getActiveEditor())
                .getDiagramGraphicalViewer();
        if (viewer == null) {
            return;
        }//  w w  w.  java 2  s  .co m
        StructuredSelection selectedEditParts = new StructuredSelection(editParts);
        viewer.setSelection(selectedEditParts);
        if (!selectedEditParts.isEmpty()) {
            EditPart firstEditPart = (EditPart) selectedEditParts.getFirstElement();
            viewer.reveal(firstEditPart);
        }
    }
}