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

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

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Introduction

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

Prototype

public boolean isEmpty();

Source Link

Document

Returns whether this selection is empty.

Usage

From source file:BMVirtualFindAction.java

License:Open Source License

protected void setSelectionToClient(VirtualTreeModelViewer virtualViewer, ILabelProvider labelProvider,
        VirtualItem findItem) {/*from w ww . j ava 2  s . c  o m*/
    virtualViewer.getTree().setSelection(new VirtualItem[] { findItem });
    ModelDelta stateDelta = new ModelDelta(virtualViewer.getInput(), IModelDelta.NO_CHANGE);
    virtualViewer.saveElementState(TreePath.EMPTY, stateDelta, IModelDelta.SELECT);
    fClientViewer.updateViewer(stateDelta);

    ISelection selection = fClientViewer.getSelection();
    if (!selection.isEmpty() && selection instanceof IStructuredSelection
            && ((IStructuredSelection) selection).getFirstElement().equals(findItem.getData())) {
    } else {
        DebugUIPlugin.errorDialog(fClientViewer.getControl().getShell(), "Error",
                "Could not select item:" + labelProvider.getText(findItem),
                new Status(IStatus.ERROR, DebugUIPlugin.getUniqueIdentifier(), "Element no longer in viewer."));
    }
}

From source file:ac.soton.eventb.classdiagrams.diagram.part.ClassdiagramsInitDiagramFileAction.java

License:Open Source License

/**
 * @generated//  w  w w .  ja  va2  s .c  o m
 */
public void selectionChanged(IAction action, ISelection selection) {
    domainModelURI = null;
    action.setEnabled(false);
    if (selection instanceof IStructuredSelection == false || selection.isEmpty()) {
        return;
    }
    IFile file = (IFile) ((IStructuredSelection) selection).getFirstElement();
    domainModelURI = URI.createPlatformResourceURI(file.getFullPath().toString(), true);
    action.setEnabled(true);
}

From source file:ac.soton.eventb.classdiagrams.diagram.sheet.ClassdiagramsPropertySection.java

License:Open Source License

/**
 * @generated//from w  w w  .  j a v a2  s.c  o  m
 */
public void setInput(IWorkbenchPart part, ISelection selection) {
    if (selection.isEmpty() || false == selection instanceof StructuredSelection) {
        super.setInput(part, selection);
        return;
    }
    final StructuredSelection structuredSelection = ((StructuredSelection) selection);
    ArrayList transformedSelection = new ArrayList(structuredSelection.size());
    for (Iterator it = structuredSelection.iterator(); it.hasNext();) {
        Object r = transformSelection(it.next());
        if (r != null) {
            transformedSelection.add(r);
        }
    }
    super.setInput(part, new StructuredSelection(transformedSelection));
}

From source file:ac.soton.eventb.roseEditor.propertySections.abstracts.AbstractEventBPropertySection.java

License:Open Source License

@Override
public void setInput(final IWorkbenchPart part, final ISelection selection) {
    owner = null;//  w w  w.j  a v a 2 s  .  c om
    if (selection.isEmpty() || false == selection instanceof StructuredSelection) {
        super.setInput(part, selection);
        return;
    }
    final StructuredSelection structuredSelection = (StructuredSelection) selection;
    ArrayList<Object> transformedSelection = new ArrayList<Object>(structuredSelection.size());
    for (Object object : structuredSelection.toList()) {
        if (owner == null && object instanceof EventBElement) {
            owner = (EventBElement) object;
        }
        if (object != null) {
            transformedSelection.add(object);
        }
    }
    super.setInput(part, new StructuredSelection(transformedSelection));
}

From source file:ac.soton.fmusim.components.presentation.ComponentsEditor.java

License:Open Source License

/**
 * This deals with how we want selection in the outliner to affect the other views.
 * <!-- begin-user-doc -->/*from   w w  w.j ava  2s  .  com*/
 * <!-- end-user-doc -->
 * @generated
 */
public void handleContentOutlineSelection(ISelection selection) {
    if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
        Iterator<?> selectedElements = ((IStructuredSelection) selection).iterator();
        if (selectedElements.hasNext()) {
            // Get the first selected element.
            //
            Object selectedElement = selectedElements.next();

            // If it's the selection viewer, then we want it to select the same selection as this selection.
            //
            if (currentViewerPane.getViewer() == selectionViewer) {
                ArrayList<Object> selectionList = new ArrayList<Object>();
                selectionList.add(selectedElement);
                while (selectedElements.hasNext()) {
                    selectionList.add(selectedElements.next());
                }

                // Set the selection to the widget.
                //
                selectionViewer.setSelection(new StructuredSelection(selectionList));
            } else {
                // Set the input to the widget.
                //
                if (currentViewerPane.getViewer().getInput() != selectedElement) {
                    currentViewerPane.getViewer().setInput(selectedElement);
                    currentViewerPane.setTitle(selectedElement);
                }
            }
        }
    }
}

From source file:ar.com.fluxit.jqa.wizard.page.LayersDefinitionWizardPage.java

License:Open Source License

private void layerSelectionChanged(ISelection selection, EditLayerAction editLayerAction,
        RemoveLayerAction removeLayerAction) {
    boolean selectionIsNotEmpty = !selection.isEmpty();
    editLayerAction.setEnabled(selectionIsNotEmpty);
    removeLayerAction.setEnabled(selectionIsNotEmpty);
    updateLayerPackagesGroup(selection);
}

From source file:ar.com.fluxit.jqa.wizard.page.LayersDefinitionWizardPage.java

License:Open Source License

private void updateLayerPackagesGroup(ISelection selection) {
    Set<IJavaElement> input;
    if (selection.isEmpty()) {
        input = Collections.emptySet();
    } else {//from   ww w  .j  av  a 2 s .c om
        input = ((Layer) ((StructuredSelection) selection).getFirstElement()).getPackages();
    }
    layerPackagesTable.setInput(input);
}

From source file:at.bestsolution.persistence.emap.ecoregenerator.GeneratorOptionsDialog.java

License:Open Source License

@Override
protected final Control createDialogArea(final Composite parent) {
    Composite area = new Composite(parent, SWT.NONE);
    area.setLayout(new GridLayout(1, false));
    area.setLayoutData(new GridData(GridData.FILL_BOTH));

    getShell().setText(Messages.GeneratorOptionsDialog_shellTitle);
    setTitle(Messages.GeneratorOptionsDialog_title);

    Composite container = new Composite(area, SWT.NONE);
    container.setLayout(new GridLayout(3, false));
    container.setLayoutData(new GridData(GridData.FILL_BOTH));

    {/*from  ww  w  .  j  a va  2  s . c  om*/
        Label l = new Label(container, SWT.NONE);
        l.setText(Messages.GeneratorOptionsDialog_emapProject);

        projectsViewer = new ComboViewer(container, SWT.READ_ONLY);
        projectsViewer.setLabelProvider(new LabelProvider() {
            @Override
            public String getText(final Object element) {
                if (element == null) {
                    return ""; //$NON-NLS-1$
                } else {
                    return ((IProject) element).getName();
                }
            }
        });
        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = 2;
        projectsViewer.getCombo().setLayoutData(gd);
        projectsViewer.setContentProvider(ArrayContentProvider.getInstance());
        projectsViewer.setInput(projects);
        projectsViewer.addSelectionChangedListener(new ISelectionChangedListener() {
            @Override
            public void selectionChanged(final SelectionChangedEvent event) {
                selectedFolder = null;
                ISelection s = event.getSelection();
                if (s instanceof StructuredSelection && !s.isEmpty()) {
                    selectedProject = (IProject) ((StructuredSelection) s).getFirstElement();
                    selectedFolder = selectedProject
                            .getFolder("/src/" + selectedProject.getName().replace('.', '/'));
                    tFolder.setText(selectedFolder.getFullPath().toString());
                }
            }
        });
    }
    {
        Label l = new Label(container, SWT.NONE);
        l.setText(Messages.GeneratorOptionsDialog_rootFolder);

        tFolder = new Text(container, SWT.READ_ONLY | SWT.BORDER);
        tFolder.setEditable(false);
        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        tFolder.setLayoutData(gd);

        Button b = new Button(container, SWT.NONE);
        b.setText(Messages.GeneratorOptionsDialog_buttonFolder);

        b.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(final SelectionEvent e) {
                if (selectedProject != null) {
                    ILabelProvider lp = new WorkbenchLabelProvider();
                    ITreeContentProvider cp = new WorkbenchContentProvider();

                    Class<?>[] acceptedClasses = new Class[] { IFolder.class };
                    ViewerFilter filter = new TypedViewerFilter(acceptedClasses);

                    FolderSelectionDialog dialog = new FolderSelectionDialog(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), lp, cp);
                    dialog.setTitle(Messages.GeneratorOptionsDialog_outputDirectory);
                    dialog.setMessage(Messages.GeneratorOptionsDialog_selectOutputDirectory);
                    dialog.addFilter(filter);
                    dialog.setInput(selectedProject);
                    if (dialog.open() == Window.OK) {
                        selectedFolder = (IFolder) dialog.getFirstResult();
                        tFolder.setText(selectedFolder.getFullPath().toString());
                    }
                }
            }
        });

        if (!projects.isEmpty()) {
            projectsViewer.setSelection(new StructuredSelection(projects.get(0)));
        }
    }
    return area;
}

From source file:at.bestsolution.persistence.emap.ecoregenerator.GenModelGenerateDoctrineActionDelegate.java

License:Open Source License

@Override
public final void runWithEvent(final IAction action, final Event event) {
    if (action instanceof EditorPluginAction) {

        ISelection s = ((EditorPluginAction) action).getSelection();
        if (s instanceof IStructuredSelection && !s.isEmpty()
                && ((IStructuredSelection) s).getFirstElement() instanceof GenModel) {
            try {
                GenModel genModel = (GenModel) ((IStructuredSelection) s).getFirstElement();

                IProject[] allProjects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
                List<IProject> emapProjects = new ArrayList<IProject>();
                for (IProject p : allProjects) {
                    if (p.isOpen() && p.getNature(Messages.GenModelGenerateDoctrineActionDelegate_5) != null
                            && p.getNature("org.eclipse.xtext.ui.shared.xtextNature") != null) {
                        emapProjects.add(p);
                    }//from   ww w.  jav a2  s.  c  om
                }
                if (emapProjects.isEmpty()) {
                    MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                            Messages.GenModelGenerateDoctrineActionDelegate_6,
                            Messages.GenModelGenerateDoctrineActionDelegate_7);
                } else {
                    GeneratorOptionsDialog dlg = new GeneratorOptionsDialog(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), emapProjects);
                    if (dlg.open() == IDialogConstants.OK_ID) {
                        final IProject project = dlg.getSelectedProject();
                        if (!project.exists()) {
                            project.create(new NullProgressMonitor());
                        }
                        if (!project.isOpen()) {
                            project.open(new NullProgressMonitor());
                        }

                        final HashMap<EClass, EClassMetaInfo> metaInfo = new HashMap<EClass, EClassMetaInfo>();
                        try {
                            IFolder srcFolder = dlg.getSelectedFolder();
                            for (GenPackage pack : genModel.getGenPackages()) {
                                collectMetaPackageCode(metaInfo, project, srcFolder, srcFolder, pack);
                            }
                            for (GenPackage pack : genModel.getGenPackages()) {
                                generatePackageCode(metaInfo, project, srcFolder, pack);
                            }
                        } finally {
                            metaInfo.clear();
                        }
                    }
                }
            } catch (CoreException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        } else {
            MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                    Messages.GenModelGenerateDoctrineActionDelegate_8,
                    Messages.GenModelGenerateDoctrineActionDelegate_9);
        }
    } else {
        MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                Messages.GenModelGenerateDoctrineActionDelegate_10,
                Messages.GenModelGenerateDoctrineActionDelegate_11);
    }
}

From source file:at.bitandart.zoubek.mervin.model.modelreview.presentation.ModelReviewEditor.java

License:Open Source License

/**
 * This deals with how we want selection in the outliner to affect the other
 * views. <!-- begin-user-doc --> <!-- end-user-doc -->
 * //from w  w  w  .  jav  a2  s. c  o m
 * @generated
 */
public void handleContentOutlineSelection(ISelection selection) {
    if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
        Iterator<?> selectedElements = ((IStructuredSelection) selection).iterator();
        if (selectedElements.hasNext()) {
            // Get the first selected element.
            //
            Object selectedElement = selectedElements.next();

            // If it's the selection viewer, then we want it to select the
            // same selection as this selection.
            //
            if (currentViewerPane.getViewer() == selectionViewer) {
                ArrayList<Object> selectionList = new ArrayList<Object>();
                selectionList.add(selectedElement);
                while (selectedElements.hasNext()) {
                    selectionList.add(selectedElements.next());
                }

                // Set the selection to the widget.
                //
                selectionViewer.setSelection(new StructuredSelection(selectionList));
            } else {
                // Set the input to the widget.
                //
                if (currentViewerPane.getViewer().getInput() != selectedElement) {
                    currentViewerPane.getViewer().setInput(selectedElement);
                    currentViewerPane.setTitle(selectedElement);
                }
            }
        }
    }
}