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

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

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Introduction

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

Prototype

@Override
public Iterator iterator();

Source Link

Document

Returns an iterator over the elements of this selection.

Usage

From source file:company.ui.properties.CompanyLabelProvider.java

License:Open Source License

/**
 * Determine there are objects in the structured selection of different
 * types./*  w ww.j  a  v a2 s . c  o m*/
 * 
 * @param structuredSelection
 *            the structured selection.
 * @return true if there are objects of different types in the selection.
 */
private boolean areDifferentTypes(IStructuredSelection structuredSelection) {
    if (structuredSelection.size() == 1) {
        return false;
    }
    Iterator i = structuredSelection.iterator();
    Object element = i.next();
    for (; i.hasNext();) {
        if (i.next().getClass() != element.getClass()) {
            return true;
        }
    }

    return false;
}

From source file:de.anbos.eclipse.easyshell.plugin.preferences.CommandPage.java

License:Open Source License

private void createTableViewer(Composite parent) {
    tableViewer = new TableViewer(parent,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    createColumns(parent, tableViewer);/*from  www. j ava2 s.c  o  m*/
    final Table table = tableViewer.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    tableViewer.setLabelProvider(new CommandDataLabelProvider());
    tableViewer.setContentProvider(new CommandDataContentProvider());
    if (filter != null) {
        tableViewer.addFilter(filter);
    }

    // Get the content for the viewer, setInput will call getElements in the
    // contentProvider
    tableViewer.setInput(CommandDataStore.instance());

    // Layout the viewer
    GridData gridData = new GridData();
    gridData.verticalAlignment = GridData.FILL;
    gridData.horizontalSpan = 2;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    gridData.horizontalAlignment = GridData.FILL;
    tableViewer.getControl().setLayoutData(gridData);

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

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
            int selected = selection.size();
            boolean presetSelectedOrNotEqualType = false;
            Iterator<?> elements = selection.iterator();
            PresetType type = PresetType.presetUnknown;
            while (elements.hasNext()) {
                CommandData data = (CommandData) elements.next();
                if (type == PresetType.presetUnknown) {
                    type = data.getPresetType();
                }
                if (data.getPresetType() == PresetType.presetPlugin || type != data.getPresetType()) {
                    presetSelectedOrNotEqualType = true;
                    break;
                }
            }
            editButton.setEnabled(selected == 1);
            addCopyButton.setEnabled(selected == 1);
            removeButton.setEnabled(selected > 0 && !presetSelectedOrNotEqualType);
        }
    });

    tableViewer.setComparator(new ViewerComparator() {
        @Override
        public int compare(Viewer viewer, Object object1, Object object2) {
            if (!(object1 instanceof CommandData) || !(object2 instanceof CommandData)) {
                return super.compare(viewer, object1, object2);
            }
            CommandData data1 = (CommandData) object1;
            CommandData data2 = (CommandData) object2;
            if (data1.getPosition() > data2.getPosition()) {
                return 1;
            }
            if (data1.getPosition() < data2.getPosition()) {
                return -1;
            }
            if (data1.getPosition() == data2.getPosition()) {
                return 0;
            }
            return super.compare(viewer, object1, object2);
        }

        @Override
        public boolean isSorterProperty(Object element, String property) {
            return true;
        }
    });
}

From source file:de.anbos.eclipse.easyshell.plugin.preferences.CommandPage.java

License:Open Source License

private void removeDialog() {
    // get the selected commands and referenced menus as lists
    List<CommandData> commands = new ArrayList<CommandData>();
    List<MenuData> menus = new ArrayList<MenuData>();
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
    Iterator<?> elements = selection.iterator();
    while (elements.hasNext()) {
        CommandData data = (CommandData) elements.next();
        commands.add(data);//from   ww  w . jav  a2s.  c  o  m
        List<MenuData> menusForOne = MenuDataStore.instance().getRefencedBy(data.getId());
        menus.addAll(menusForOne);
    }
    // ask user
    String commandNames = "";
    PresetType type = PresetType.presetUnknown;
    for (CommandData command : commands) {
        if (type == PresetType.presetUnknown) {
            type = command.getPresetType();
        }
        commandNames += command.getCommandAsComboName() + "\n";
    }
    String title = null;
    String question = null;
    if (type == PresetType.presetPluginAndUser) {
        title = Activator.getResourceString("easyshell.command.page.dialog.remove.user.title");
        question = MessageFormat.format(
                Activator.getResourceString("easyshell.command.page.dialog.remove.user.question"),
                commandNames);
    } else {
        title = Activator.getResourceString("easyshell.command.page.dialog.remove.title");
        question = MessageFormat.format(
                Activator.getResourceString("easyshell.command.page.dialog.remove.question"), commandNames);
    }
    int dialogImageType = MessageDialog.QUESTION;
    if (menus.size() > 0) {
        dialogImageType = MessageDialog.WARNING;
        String menuNames = "";
        for (MenuData menu : menus) {
            menuNames += menu.getNameExpanded() + "\n";
        }
        if (type == PresetType.presetPluginAndUser) {
            title = Activator.getResourceString("easyshell.command.page.dialog.remove.menu.user.title");
            question = MessageFormat.format(
                    Activator.getResourceString("easyshell.command.page.dialog.remove.menu.user.question"),
                    commandNames, menuNames);
        } else {
            title = Activator.getResourceString("easyshell.command.page.dialog.remove.menu.title");
            question = MessageFormat.format(
                    Activator.getResourceString("easyshell.command.page.dialog.remove.menu.question"),
                    commandNames, menuNames);
        }
    }
    MessageDialog dialog = new MessageDialog(null, title, null, question, dialogImageType,
            new String[] { "Yes", "No" }, 1); // no is the default
    int result = dialog.open();
    if (result == 0) {
        if (menus.size() >= 0 && type == PresetType.presetUser) {
            for (MenuData menu : menus) {
                MenuDataStore.instance().delete(menu);
            }
            //MenuDataStore.instance().save();
        }
        for (CommandData command : commands) {
            if (command.getPresetType() == PresetType.presetUser) {
                CommandDataStore.instance().delete(command);
            } else if (command.getPresetType() == PresetType.presetPluginAndUser) {
                command.removeUserData();
                CommandDataStore.instance().replace(command);
            }
        }
        tableViewer.refresh();
    }
}

From source file:de.anbos.eclipse.easyshell.plugin.preferences.MenuPage.java

License:Open Source License

private void removeDialog() {
    // get the selected menus as lists
    List<MenuData> menus = new ArrayList<MenuData>();
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
    Iterator<?> elements = selection.iterator();
    while (elements.hasNext()) {
        MenuData data = (MenuData) elements.next();
        menus.add(data);/*from  w  w w .j a v a  2 s.  com*/
    }
    if (menus.size() > 0) {
        String title = Activator.getResourceString("easyshell.menu.page.dialog.remove.title");
        String menuNames = "";
        for (MenuData menu : menus) {
            menuNames += menu.getNameExpanded() + "\n";
        }
        String question = MessageFormat
                .format(Activator.getResourceString("easyshell.menu.page.dialog.remove.question"), menuNames);
        MessageDialog dialog = new MessageDialog(null, title, null, question, MessageDialog.QUESTION,
                new String[] { "Yes", "No" }, 1); // no is the default
        int result = dialog.open();
        if (result == 0) {
            for (MenuData menu : menus) {
                MenuDataStore.instance().delete(menu);
            }
            refreshTableViewer();
        }
    }
}

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

License:Apache License

private void remove() {
    IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();

    Iterator<?> elements = selection.iterator();
    while (elements.hasNext()) {
        RulePreferenceData data = (RulePreferenceData) elements.next();
        store.delete(data);//from  ww  w  .ja va2s . c  o  m
    }
    tableViewer.refresh();
}

From source file:de.bitexpert.eclipse.svn.svnexport.ui.wizards.SubversionExportWizardPage.java

License:Apache License

/**
 * Creates a new {@link SubversionExportWizardPage}.
 *
 * @param IStructuredSelection/*from   w  ww.  j a  v  a 2 s .c  o m*/
 */
public SubversionExportWizardPage(IStructuredSelection selection) {
    super("SVN Export by Revision", selection);
    this.setTitle("SVN Export by Revision");
    this.setDescription("Exports files based on their Revision numbers");

    @SuppressWarnings("rawtypes")
    Iterator selections = selection.iterator();
    while (selections.hasNext()) {
        IResource oCurResource = (IResource) selections.next();
        if (IResource.PROJECT == oCurResource.getType()) {
            this.selectedProject = oCurResource;
        }
    }

    this.maxRevisionNumber = Long.parseLong(getMaxRevNumber());
}

From source file:de.bodden.tamiflex.action.Compare.java

License:Open Source License

@Override
public void selectionChanged(IAction action, ISelection selection) {
    IStructuredSelection sl = (IStructuredSelection) selection;
    if (sl.size() == 2) {
        Iterator<?> iter = sl.iterator();
        left = (IFile) iter.next();//  ww  w .  j a v  a 2  s . c om
        right = (IFile) iter.next();
    }
}

From source file:de.cau.cs.kieler.ecoreviz.OpenDiagramHandler.java

License:Open Source License

/**
 * {@inheritDoc}// ww  w . j  a  v  a2 s.c o  m
 */
@SuppressWarnings("unchecked")
public Object execute(final ExecutionEvent event) throws ExecutionException {
    final ISelection selection = HandlerUtil.getCurrentSelection(event);

    if (selection instanceof IStructuredSelection) {
        final IStructuredSelection sSelection = (IStructuredSelection) selection;
        final List<EModelElement> listSelection = new LinkedList<EModelElement>();
        if (selection instanceof KlighdTreeSelection) {
            // do not react on selections in KLighD diagrams
            return null;
        }

        // if all elements are either ecore packages or classes
        if (Iterators.all(sSelection.iterator(), EPACKAGE_ECLASS_PREDICATE)) {
            Iterator<EModelElement> emIt = Iterators.filter(sSelection.iterator(), EMODEL_ELEMENT_PREDICATE);
            while (emIt.hasNext()) {
                listSelection.add(emIt.next());
            }
        } else {
            // otherwise check the elements piece by piece for files
            for (Object o : sSelection.toArray()) {
                if (o instanceof IFile) {
                    try {
                        IFile f = (IFile) o;
                        ResourceSet rs = new ResourceSetImpl();
                        Resource r = rs.getResource(
                                URI.createPlatformResourceURI(f.getFullPath().toString(), true), true);
                        if (r.getContents().size() > 0) {
                            if (r.getContents().get(0) instanceof EPackage) {
                                listSelection.add((EModelElement) r.getContents().get(0));
                            }
                        }
                    } catch (Exception e) {
                        StatusManager.getManager().handle(
                                new Status(IStatus.ERROR, PLUGIN_ID, "Could not load selected file.", e),
                                StatusManager.SHOW);
                    }
                } else {
                    handleUnknownSelection(selection);

                    return null;
                }
            }
        }

        EModelElementCollection model = EModelElementCollection.of(listSelection.iterator());

        DiagramViewManager.createView("de.cau.cs.kieler.ecoreviz.EModelElementCollectionDiagram",
                "Ecore Diagram", model, KlighdSynthesisProperties.create());

        return null;
    }

    handleUnknownSelection(selection);

    return null;
}

From source file:de.cau.cs.kieler.klassviz.handlers.SynthesizeClassDiagramHandler.java

License:Open Source License

/**
 * Initiates the class diagram synthesis. Therefore a selection of classes, fields and methods,
 * that is made via the package or project explorer is transferred to a metamodel. After that is
 * done the selection is saved in the metadata of the plug-in. Then it starts a diagram synthesis
 * in Xtend.//from  www .j  a  v  a  2  s  . c o  m
 */
public Object execute(ExecutionEvent event) throws ExecutionException {

    // Get the Selection
    ISelection selection = HandlerUtil.getCurrentSelection(event);
    IStructuredSelection sSelection = (IStructuredSelection) selection;

    // Transform the model
    JdtModelTransformation transformation = Guice.createInjector().getInstance(JdtModelTransformation.class);
    KClassModel classModel;
    try {
        classModel = transformation.transform(sSelection);
    } catch (JavaModelException exception) {
        IStatus status = new Status(IStatus.ERROR, PLUGIN_ID, "Error while transforming Java model.",
                exception);
        StatusManager.getManager().handle(status, StatusManager.SHOW);
        return null;
    }

    // When the List is still empty, there was no IJavaElement in the
    // Selection and nothing can be visualized.
    if (!classModel.getPackages().isEmpty()) {

        // Save the selection that will be visualized.
        HashSet<IJavaProject> projects = new HashSet<IJavaProject>();
        Iterator<?> selectionIter = sSelection.iterator();
        while (selectionIter.hasNext()) {
            Object obj = selectionIter.next();
            if (obj instanceof IJavaElement) {
                projects.add(((IJavaElement) obj).getJavaProject());
            }
        }
        for (IJavaProject project : projects) {
            classModel.getJavaProjects().add(project.getElementName());
        }
        saveSelection(classModel, projects);

        // Start synthesis with Xtend and visualize with KlighD.
        String viewTitle = projects.iterator().next().getElementName();
        DiagramViewManager.createView("de.cau.cs.kieler.klassviz.ClassDataDiagramSynthesis", viewTitle,
                classModel, null);
    }

    return null;
}

From source file:de.fkoeberle.autocommit.SelectionSearchUtil.java

License:Open Source License

public static LinkedHashSet<IProject> searchProjectsIn(ISelection selection) {
    LinkedHashSet<IProject> projects = new LinkedHashSet<IProject>();
    if (!(selection instanceof IStructuredSelection)) {
        return projects;
    }/*w  ww . ja  v a  2 s .co m*/
    IStructuredSelection structuredSelection = (IStructuredSelection) selection;
    Iterator<?> iterator = structuredSelection.iterator();
    while (iterator.hasNext()) {
        Object o = iterator.next();
        IProject project = null;
        if (o instanceof IProject) {
            project = (IProject) o;
        } else if (o instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) o;
            project = (IProject) adaptable.getAdapter(IProject.class);
        }
        if (project != null) {
            projects.add(project);
        }
    }
    return projects;
}