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

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

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Introduction

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

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:de.anbos.eclipse.logviewer.plugin.preferences.rule.RulePreferencePage.java

License:Apache License

@SuppressWarnings("unchecked")
private void exportSelected() {
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
    if (selection.isEmpty()) {
        if (askSelectAll()) {
            tableViewer.getTable().selectAll();
            selection = (IStructuredSelection) tableViewer.getSelection();
        } else {/*from  ww  w.  j a  v  a 2s  . c om*/
            MessageDialog.openError(getShell(),
                    LogViewerPlugin.getResourceString("preferences.ruleseditor.export.error.title"), //$NON-NLS-1$
                    LogViewerPlugin
                            .getResourceString("preferences.ruleseditor.export.error.select.items.text")); //$NON-NLS-1$
            return;
        }
    }

    Collection<RulePreferenceData> itemArray = new ArrayList<RulePreferenceData>();
    itemArray.addAll(selection.toList());
    export(itemArray.toArray(new RulePreferenceData[itemArray.size()]));
}

From source file:de.anbos.eclipse.logviewer.plugin.preferences.rule.RulePreferencePage.java

License:Apache License

@SuppressWarnings("unchecked")
private void exportAll() {
    // save selection
    IStructuredSelection selectionSave = (IStructuredSelection) tableViewer.getSelection();
    // select all
    tableViewer.getTable().selectAll();/*from   ww  w.j ava 2 s .  c o  m*/
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();

    if (selection.isEmpty()) {
        MessageDialog.openError(getShell(),
                LogViewerPlugin.getResourceString("preferences.ruleseditor.export.error.title"), //$NON-NLS-1$
                LogViewerPlugin.getResourceString("preferences.ruleseditor.export.error.select.items.text")); //$NON-NLS-1$
        return;
    } else {
        //export
        Collection<RulePreferenceData> itemArray = new ArrayList<RulePreferenceData>();
        itemArray.addAll(selection.toList());
        export(itemArray.toArray(new RulePreferenceData[itemArray.size()]));
    }

    // restore selection
    tableViewer.setSelection(selectionSave, true);
}

From source file:de.bmw.yamaica.common.ui.internal.dialogs.LaunchConfigurationSelectionPage.java

License:Mozilla Public License

@Override
public void createControl(Composite parent) {
    Font font = parent.getFont();

    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout(1, false));
    setControl(composite);/*from   ww w  .ja va2  s  .  c om*/

    viewerToolBar = new ViewerToolBar(composite, SWT.BORDER, ViewerToolBar.FILTER) {
        @Override
        protected void createToolBarButtons() {
            toolBarManager.add(newAction);
            toolBarManager.add(duplicateAction);
            toolBarManager.add(deleteAction);
            toolBarManager.add(new Separator());
            toolBarManager.add(editAction);

            super.createToolBarButtons();
        }
    };
    viewerToolBar.setLayoutData(new GridData(GridData.FILL_BOTH));
    viewerToolBar.setFilterText(FILTER_LAUNCH_CONFIGURATIONS);

    Table table = new Table(viewerToolBar, SWT.MULTI | SWT.FULL_SELECTION);
    table.setLayoutData(new GridData(GridData.FILL_BOTH));
    table.setFont(font);
    table.addControlListener(new ControlAdapter() {
        @Override
        public void controlResized(ControlEvent e) {
            Table table = (Table) e.widget;
            table.getColumn(0).setWidth(table.getClientArea().width);
        }
    });

    tableViewer = new TableViewer(table);
    tableViewer.setContentProvider(getContentProvider());
    tableViewer.setComparator(new WorkbenchViewerComparator());
    tableViewer.addFilter(viewerFilter);

    TableViewerColumn launchConfigurationTypeViewerColumn = new TableViewerColumn(tableViewer, SWT.LEAD);
    launchConfigurationTypeViewerColumn.setLabelProvider((CellLabelProvider) getLabelProvider());

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();

            if (!selection.isEmpty()) {
                if (selection.size() == 1) {
                    duplicateAction.setEnabled(true);
                    editAction.setEnabled(true);
                } else {
                    duplicateAction.setEnabled(false);
                    editAction.setEnabled(false);
                }

                deleteAction.setEnabled(true);
            } else {
                duplicateAction.setEnabled(false);
                deleteAction.setEnabled(false);
                editAction.setEnabled(false);
            }

            getContainer().updateButtons();
        }
    });

    tableViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            IWizard wizard = getWizard();
            IWizardContainer container = wizard.getContainer();

            if (container instanceof WizardDialog) {
                if (wizard.performFinish()) {
                    ((WizardDialog) container).close();
                }
            }
        }
    });

    viewerToolBar.setViewer(tableViewer);

    restoreWidgetValues();

    PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
            Activator.PLUGIN_ID + YamaicaUIConstants.YAMAICA_TRANSFORM_TYPE_SELECTION);
}

From source file:de.bmw.yamaica.common.ui.internal.dialogs.LaunchConfigurationTypeSelectionPage.java

License:Mozilla Public License

@Override
public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout(1, false));
    setControl(composite);//  w w w  .  ja  v  a  2s. c  om

    TableColumnLayout tableColumnLayout = new TableColumnLayout();

    Composite tableComposite = new Composite(composite, SWT.NONE);
    tableComposite.setLayout(tableColumnLayout);
    tableComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    tableViewer = new TableViewer(tableComposite, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
    tableViewer.getTable().setFont(parent.getFont());
    tableViewer.setContentProvider(getContentProvider());

    TableViewerColumn launchConfigurationTypeViewerColumn = new TableViewerColumn(tableViewer, SWT.LEAD);
    launchConfigurationTypeViewerColumn.setLabelProvider((CellLabelProvider) getLabelProvider());

    tableColumnLayout.setColumnData(launchConfigurationTypeViewerColumn.getColumn(),
            new ColumnWeightData(100, 80, false));

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();

            if (!selection.isEmpty()) {
                ILaunchConfigurationType launchConfigurationType = ((LaunchConfigurationTypeData) selection
                        .getFirstElement()).launchConfigurationType;

                try {
                    Set<String> modes = new HashSet<>();
                    modes.add(YamaicaUIConstants.RUN);

                    ILaunchDelegate[] launchDelegates = launchConfigurationType.getDelegates(modes);

                    if (null != launchDelegates && launchDelegates.length > 0) {
                        setMessage(launchDelegates[0].getDescription());
                    } else {
                        setMessage(null);
                    }
                } catch (CoreException e) {
                    e.printStackTrace();
                }
            }

            getContainer().updateButtons();
        }
    });

    tableViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            getContainer().showPage(getNextPage());
        }
    });

    tableViewer.setInput(getViewerInput());

    PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
            Activator.PLUGIN_ID + YamaicaUIConstants.YAMAICA_TRANSFORM_TYPE_SELECTION);
}

From source file:de.defmacro.dandelion.internal.preferences.LispServerPreferencePage.java

License:Open Source License

private IEnvironment getSelectedServer() {
    IStructuredSelection selection = (IStructuredSelection) fTable.getSelection();
    if (selection.isEmpty()) {
        return null;
    }//from ww w .ja  va  2s .c  o  m
    return (IEnvironment) selection.getFirstElement();
}

From source file:de.defmacro.dandelion.internal.ui.dialogs.EvalFailureDialog.java

License:Open Source License

/**
 * Listener-Implementierung. Nicht aufrufen.
 *//*from  w  ww .j a va2 s.c  o m*/
public void selectionChanged(SelectionChangedEvent event) {
    if (!(event.getSelection() instanceof IStructuredSelection)) {
        setOKButtonEnabled(false);
        hintSelectRestart(true);
        return;
    }

    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    if (!selection.isEmpty() && selection.getFirstElement() instanceof IRestart) {
        setOKButtonEnabled(true);
        hintSelectRestart(false);
    } else {
        setOKButtonEnabled(false);
        hintSelectRestart(true);
    }
}

From source file:de.dfki.iui.mmds.core.graphiti.diagram.dialogue.navigator.EditorLinkHelper.java

License:Open Source License

/**
 * Links IFile to FileEditorInput./*from  w  w w  .  j  a  v  a2s.  c o m*/
 */
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;
    }
    if (aSelection.getFirstElement() instanceof IFile) {
        IEditorInput fileInput = new FileEditorInput((IFile) aSelection.getFirstElement());
        IEditorPart editor = null;
        if ((editor = aPage.findEditor(fileInput)) != null) {
            aPage.bringToTop(editor);
        }
    }
}

From source file:de.fu_berlin.inf.jtourbus.view.TourBusRoutesView.java

License:Open Source License

private void makeActions() {

    { // Refresh/*from  ww  w.j  a v  a2s.c o m*/
        fActionRefresh = new Action() {

            public void run() {
                log("REFRESH");
                BusStop oldStop = getSelectedBusStop();
                fViewer.setInput(fJavaProject);
                if (oldStop != null) {
                    Set<BusStop> ts = fContentProvider.fTourPlan.routes.get(oldStop.getRoute());
                    if (ts != null) {
                        Iterator<BusStop> i = ts.iterator();
                        BusStop bs = null;
                        while (i.hasNext()) {
                            bs = i.next();
                            if (oldStop.getStopNumber() <= bs.getStopNumber()) {
                                break;
                            }
                        }

                        if (bs != null) {
                            fViewer.setSelection(new StructuredSelection(bs), true);
                        }
                    }
                }
            }
        };
        fActionRefresh.setText("Refresh BusTours");
        fActionRefresh.setToolTipText(
                "Updates the Bus Tour information from the current project. The list view will be updated to show the stops and routes of the project.");

        JavaPluginImages.setLocalImageDescriptors(fActionRefresh, "refresh_nav.gif");
    }

    { // Action for renaming tours

        fRenameTourAction = new Action() {

            public void renameTourStop(BusStop stop, String targetTour) {
                fContentProvider.fTourPlan.remove(stop);
                stop.setRoute(targetTour);
                fContentProvider.fTourPlan.add(stop);
            }

            public void run() {
                IStructuredSelection selection = ((IStructuredSelection) fViewer.getSelection());
                if (!selection.isEmpty()) {

                    Object o = selection.getFirstElement();
                    String tour = null;
                    if (o instanceof BusStop) {
                        tour = ((BusStop) o).getRoute();
                    } else {
                        tour = (String) o;
                    }

                    InputDialog inputBox = new InputDialog(getSite().getShell(), "Rename tour",
                            "Please enter the name of tour the selected stops are supposed to be on:", tour,
                            new IInputValidator() {
                                public String isValid(String newText) {
                                    newText = newText.trim();
                                    if ("".equals(newText) || newText == null) {
                                        return "Please enter a new tour name!";
                                    }
                                    if (newText.contains(",") || newText.contains("/*")
                                            || newText.contains("*/")) {
                                        return "Please don't \",\", " + "\"\\" + "*" + "\" or \"*"
                                                + "\\\" in tour names!";
                                    }
                                    return null;
                                }
                            });
                    inputBox.open();
                    if (inputBox.getReturnCode() == InputDialog.OK) {

                        String newTour = inputBox.getValue().trim();

                        List<BusStop> busStopsToWriteBack = new ArrayList<BusStop>();

                        for (Object selected : selection.toList()) {
                            if (selected instanceof BusStop) {
                                renameTourStop((BusStop) selected, newTour);
                                busStopsToWriteBack.add((BusStop) selected);
                            } else {
                                for (BusStop bs : new ArrayList<BusStop>(
                                        fContentProvider.fTourPlan.routes.get(selected))) {
                                    if (!busStopsToWriteBack.contains(bs)) {
                                        renameTourStop(bs, newTour);
                                        busStopsToWriteBack.add(bs);
                                    }
                                }
                            }
                        }

                        UpdateStopsOperation op = new UpdateStopsOperation(busStopsToWriteBack);
                        op.run();
                    }
                }
            }
        };
        fRenameTourAction.setText("&Rename tour");

        fRenameTourAction.setToolTipText("Rename a tour or move individual stops to other tour.");
    }

    { // Action for setting the current project form the active editor

        fActionSetFromEditor = new Action() {
            public void run() {
                IJavaProject project = Utilities.getProject(fLastSelection);
                if (project != null) {
                    fJavaProject = project;
                }
                fActionRefresh.run();

            }
        };
        fActionSetFromEditor.setText("(Re)build Tours");
        fActionSetFromEditor.setToolTipText(
                "Will determine the project you are working on and build tours by scanning this project.");

        JavaPluginImages.setLocalImageDescriptors(fActionSetFromEditor, "refresh_nav.gif");

        /**
         * @JTourBusStop 2, Interaction, selectionChanged
         * 
         * This Listener tracks the previously selected JavaElement in the
         * whole Eclipse page.
         * 
         * We track these changes, since when the action above is triggered
         * we would like to know which element has been selected.
         */
        getViewSite().getPage().addSelectionListener(new ISelectionListener() {
            public void selectionChanged(IWorkbenchPart part, ISelection selection) {

                if (selection != null && selection instanceof IStructuredSelection)
                    fLastSelection = (IStructuredSelection) selection;
            }
        });

    }

    { // Actions for moving to next and previous stop

        fActionNextStop = new Action() {
            public void run() {
                BusStop currentStop = getSelectedBusStop();
                if (currentStop != null) {
                    BusStop stop = fContentProvider.fTourPlan.getNext(currentStop);
                    fViewer.setSelection(new StructuredSelection(stop), true);
                    showStop(stop);
                }
            }
        };

        fActionNextStop.setText("Move cursor to next stop");
        fActionNextStop.setToolTipText("Moves the cursor to the next stop on the tour.");
        IconManager.setImageDescriptors(fActionNextStop, IconManager.NEXT);
        fActionNextStop.setEnabled(false);

        fActionPreviousStop = new Action() {
            public void run() {

                BusStop currentStop = getSelectedBusStop();
                if (currentStop != null) {
                    BusStop stop = fContentProvider.fTourPlan.getPrevious(currentStop);
                    fViewer.setSelection(new StructuredSelection(stop), true);
                    showStop(stop);
                }
            }
        };
        fActionPreviousStop.setText("Move cursor to previous stop");
        fActionPreviousStop.setToolTipText("Moves the cursor to the previous stop on the tour.");
        fActionPreviousStop.setEnabled(false);

        IconManager.setImageDescriptors(fActionPreviousStop, IconManager.PREVIOUS);
    }

    { // Action for insert a bus stop in the current editor
        fActionInsertBusStop = new InsertJTourBusCommentAction(getSite()) {
            public void run() {
                ISelection selection = null;
                try {
                    selection = JavaPlugin.getActivePage().getActiveEditor().getEditorSite()
                            .getSelectionProvider().getSelection();
                } catch (Exception e) {
                    // If there is no selection. Then just do nothing.
                    return;
                }
                BusStop currentStop = getSelectedBusStop();
                setCurrentStop(currentStop);

                if (selection instanceof ITextSelection) {
                    run((ITextSelection) selection, (JavaEditor) JavaPlugin.getActivePage().getActiveEditor()
                            .getAdapter(JavaEditor.class));
                }
                fContentProvider.fTourChangeListener.notifyView = true;
            }
        };

        IconManager.setImageDescriptors(fActionInsertBusStop, IconManager.STOP);
    }

    { // Add handler for double click
        fViewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                fDoubleClickAction.run();
            }
        });
    }
}

From source file:de.fu_berlin.inf.jtourbus.view.TourBusRoutesView.java

License:Open Source License

private void hookContextMenu() {
    MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$

    menuMgr.setRemoveAllWhenShown(true);
    menuMgr.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager manager) {

            IStructuredSelection selection = ((IStructuredSelection) fViewer.getSelection());
            if (!selection.isEmpty()) {
                manager.add(fRenameTourAction);
                manager.add(new Separator());
            }// w w w .j a v  a  2s  .  co m

            TourBusRoutesView.this.hookActions(manager);
        }
    });
    Menu menu = menuMgr.createContextMenu(fViewer.getControl());
    fViewer.getControl().setMenu(menu);
    getSite().registerContextMenu(menuMgr, fViewer);
}

From source file:de.gulden.modeling.wave.diagram.navigator.WaveNavigatorLinkHelper.java

License:Open Source License

/**
 * @generated/*  w  ww . ja  v  a2  s.com*/
 */
public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
    if (aSelection == null || aSelection.isEmpty()) {
        return;
    }
    if (false == aSelection.getFirstElement() instanceof WaveAbstractNavigatorItem) {
        return;
    }

    WaveAbstractNavigatorItem abstractNavigatorItem = (WaveAbstractNavigatorItem) aSelection.getFirstElement();
    View navigatorView = null;
    if (abstractNavigatorItem instanceof WaveNavigatorItem) {
        navigatorView = ((WaveNavigatorItem) abstractNavigatorItem).getView();
    } else if (abstractNavigatorItem instanceof WaveNavigatorGroup) {
        WaveNavigatorGroup navigatorGroup = (WaveNavigatorGroup) abstractNavigatorItem;
        if (navigatorGroup.getParent() instanceof WaveNavigatorItem) {
            navigatorView = ((WaveNavigatorItem) navigatorGroup.getParent()).getView();
        } else if (navigatorGroup.getParent() instanceof IAdaptable) {
            navigatorView = (View) ((IAdaptable) navigatorGroup.getParent()).getAdapter(View.class);
        }
    }
    if (navigatorView == null) {
        return;
    }
    IEditorInput editorInput = getEditorInput(navigatorView.getDiagram());
    IEditorPart editor = aPage.findEditor(editorInput);
    if (editor == null) {
        return;
    }
    aPage.bringToTop(editor);
    if (editor instanceof DiagramEditor) {
        DiagramEditor diagramEditor = (DiagramEditor) editor;
        ResourceSet diagramEditorResourceSet = diagramEditor.getEditingDomain().getResourceSet();
        EObject selectedView = diagramEditorResourceSet.getEObject(EcoreUtil.getURI(navigatorView), true);
        if (selectedView == null) {
            return;
        }
        GraphicalViewer graphicalViewer = (GraphicalViewer) diagramEditor.getAdapter(GraphicalViewer.class);
        EditPart selectedEditPart = (EditPart) graphicalViewer.getEditPartRegistry().get(selectedView);
        if (selectedEditPart != null) {
            graphicalViewer.select(selectedEditPart);
        }
    }
}