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:com.liferay.ide.kaleo.ui.navigator.WorkflowDefinitionsActionProvider.java

License:Open Source License

public void fillContextMenu(IMenuManager menu) {
    // This is a temp workaround to clean up the default group that are provided by CNF
    menu.removeAll();// w w  w .  j  a v  a 2s. c  om

    ICommonViewerSite site = actionSite.getViewSite();
    IStructuredSelection selection = null;

    if (site instanceof ICommonViewerWorkbenchSite) {
        ICommonViewerWorkbenchSite wsSite = (ICommonViewerWorkbenchSite) site;
        selection = (IStructuredSelection) wsSite.getSelectionProvider().getSelection();
    }

    WorkflowDefinitionEntry definition = null;
    WorkflowDefinitionsFolder definitionsFolder = null;

    if (selection != null && !selection.isEmpty()) {
        Iterator<?> iterator = selection.iterator();
        Object obj = iterator.next();

        if (obj instanceof WorkflowDefinitionEntry) {
            definition = (WorkflowDefinitionEntry) obj;
        }

        if (obj instanceof WorkflowDefinitionsFolder) {
            definitionsFolder = (WorkflowDefinitionsFolder) obj;
        }

        if (iterator.hasNext()) {
            definition = null;
            definitionsFolder = null;
        }
    }

    menu.add(invisibleSeparator(TOP_SECTION_START_SEPARATOR));
    addTopSection(menu, definition, definitionsFolder);
    menu.add(invisibleSeparator(TOP_SECTION_END_SEPARATOR));
    menu.add(new Separator());

    menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
    menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS + "-end"));
}

From source file:com.liferay.ide.project.ui.migration.AutoCorrectAction.java

License:Open Source License

@Override
public void selectionChanged(IStructuredSelection selection) {
    if (selection.isEmpty()) {
        setEnabled(false);//from  ww  w  . jav a 2  s  . c  o m
    } else {
        boolean selectionCompatible = true;

        Iterator<?> items = selection.iterator();
        Object lastItem = null;

        while (items.hasNext()) {
            Object item = items.next();

            if (!(item instanceof Problem)) {
                selectionCompatible = false;
                break;
            }

            Problem problem = (Problem) item;

            if (problem.autoCorrectContext == null) {
                selectionCompatible = false;
                break;
            }
            if (lastItem != null) {
                String prCurrentKey = ((Problem) item).autoCorrectContext.substring(0,
                        problem.autoCorrectContext.indexOf(":"));
                ;
                String prLastKey = ((Problem) lastItem).autoCorrectContext.substring(0,
                        problem.autoCorrectContext.indexOf(":"));

                if (!(prCurrentKey.equals(prLastKey))) {
                    selectionCompatible = false;
                    break;
                }
            }

            lastItem = item;
        }

        Iterator<?> items2 = selection.iterator();

        List<String> autoCorrectContexts = new ArrayList<>();

        while (items2.hasNext()) {
            Object item = items2.next();

            if (item instanceof Problem && ((Problem) item).autoCorrectContext != null) {
                autoCorrectContexts.add(((Problem) item).autoCorrectContext);
            }
        }

        setEnabled(selectionCompatible);

        List<String> allAutoCorrectContexts = new ArrayList<>();

        if (_provider instanceof TableViewer) {
            TableViewer viewer = (TableViewer) _provider;
            Object obj = viewer.getInput();
            if (obj instanceof Object[]) {
                Object[] problems = (Object[]) obj;

                for (Object o : problems) {
                    if (o instanceof Problem && ((Problem) o).autoCorrectContext != null) {
                        allAutoCorrectContexts.add(((Problem) o).autoCorrectContext);
                    }
                }
            } else if (obj instanceof List<?>) {
                List<?> list = (List<?>) obj;

                for (Object p : list) {
                    if (p instanceof Problem) {
                        Problem problem = (Problem) p;

                        if (problem.autoCorrectContext != null) {
                            allAutoCorrectContexts.add(problem.autoCorrectContext);
                        }
                    }
                }
            }
        }

        setText("Correct automatically");
    }
}

From source file:com.liferay.ide.project.ui.modules.fragment.NewModuleFragmentFilesWizard.java

License:Open Source License

@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {
    if (selection != null && !selection.isEmpty()) {
        final Object element = selection.getFirstElement();

        if (element instanceof IResource) {
            initialProject = ((IResource) element).getProject();
        } else if (element instanceof IJavaProject) {
            initialProject = ((IJavaProject) element).getProject();
        } else if (element instanceof IPackageFragment) {
            initialProject = ((IJavaElement) element).getResource().getProject();
        } else if (element instanceof IJavaElement) {
            initialProject = ((IJavaElement) element).getResource().getProject();
        }/*  w w w  .  j av  a 2 s  .c om*/

        if (initialProject != null) {
            final IBundleProject bundleProject = LiferayCore.create(IBundleProject.class, initialProject);

            if (bundleProject != null && bundleProject.isFragmentBundle()) {
                element().setProjectName(initialProject.getName());
            }
        }
    }
}

From source file:com.liferay.ide.project.ui.modules.NewLiferayComponentWizard.java

License:Open Source License

@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {
    if (selection != null && !selection.isEmpty()) {
        final Object element = selection.getFirstElement();

        if (element instanceof IResource) {
            initialProject = ((IResource) element).getProject();
        } else if (element instanceof IJavaProject) {
            initialProject = ((IJavaProject) element).getProject();
        } else if (element instanceof IPackageFragment) {
            initialPackage = ((IPackageFragment) element);
            initialProject = ((IJavaElement) element).getResource().getProject();
        } else if (element instanceof IPackageFragmentRoot) {
            initialPackageRoot = (IPackageFragmentRoot) element;
            initialProject = initialPackageRoot.getJavaProject().getProject();
        } else if (element instanceof IJavaElement) {
            initialProject = ((IJavaElement) element).getResource().getProject();
        }/*from   ww w. j a v a  2  s.co m*/

        if (initialProject != null) {
            final IBundleProject bundleProject = LiferayCore.create(IBundleProject.class, initialProject);

            if (bundleProject != null && "jar".equals(bundleProject.getBundleShape())
                    && !bundleProject.isFragmentBundle()) {
                element().setProjectName(initialProject.getName());

                if (initialPackage != null) {
                    element().setPackageName(initialPackage.getElementName());
                }
            }
        }
    }
}

From source file:com.liferay.ide.project.ui.upgrade.animated.SummaryPage.java

License:Open Source License

public SummaryPage(Composite parent, int style, LiferayUpgradeDataModel dataModel) {
    super(parent, style, dataModel, SUMMARY_PAGE_ID, false);

    Composite container = new Composite(this, SWT.NONE);
    container.setLayout(new GridLayout(2, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    tableViewer = new TableViewer(container);
    tableViewer.setContentProvider(new TableViewContentProvider());
    tableViewer.setLabelProvider(new TableViewLabelProvider());
    tableViewer.getControl().setBackground(this.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override/*from w w w  .j av  a  2  s  . com*/
        public void selectionChanged(SelectionChangedEvent event) {
            final IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            if (!selection.isEmpty()) {
                if (selection.getFirstElement() instanceof TableViewElement) {
                    final TableViewElement tableViewElement = (TableViewElement) selection.getFirstElement();
                    final int pageIndex = tableViewElement.pageIndex;

                    PageNavigateEvent navEvent = new PageNavigateEvent();
                    navEvent.setTargetPage(pageIndex);

                    for (PageNavigatorListener listener : naviListeners) {
                        listener.onPageNavigate(navEvent);
                    }
                }
            }
        }
    });

    final Table table = tableViewer.getTable();
    final GridData tableData = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
    tableData.heightHint = 175;
    table.setLayoutData(tableData);
    table.setLinesVisible(false);

    createImages();
}

From source file:com.liferay.ide.server.ui.action.EditPropertiesFileAction.java

License:Open Source License

/**
 * Update the enabled state.//w w w  .j  av a 2 s. c o m
 *
 * @param sel
 *            a selection
 */
@SuppressWarnings("rawtypes")
public void selectionChanged(IStructuredSelection sel) {
    if (sel.isEmpty()) {
        setEnabled(false);
        return;
    }

    boolean enabled = false;
    Iterator iterator = sel.iterator();

    while (iterator.hasNext()) {
        Object obj = iterator.next();
        if (obj instanceof PropertiesFile) {
            final PropertiesFile node = (PropertiesFile) obj;

            if (accept(node)) {
                enabled = true;
            }
        } else {
            setEnabled(false);
            return;
        }
    }

    setEnabled(enabled);
}

From source file:com.liferay.ide.server.ui.action.OpenLiferayHomeFolderAction.java

License:Open Source License

/**
 * Update the enabled state.//from  w  w w .  j av a  2s  .c  o m
 *
 * @param sel
 *            a selection
 */
@SuppressWarnings("rawtypes")
public void selectionChanged(IStructuredSelection sel) {
    if (sel.isEmpty()) {
        setEnabled(false);

        return;
    }

    boolean enabled = false;
    Iterator iterator = sel.iterator();

    while (iterator.hasNext()) {
        Object obj = iterator.next();

        if (obj instanceof PropertiesFile) {
            final PropertiesFile node = (PropertiesFile) obj;

            final String path = node.getPath();

            try {
                if (!CoreUtil.isNullOrEmpty(ServerUIUtil.getSystemExplorerCommand(new Path(path).toFile()))
                        && accept(node)) {
                    enabled = true;
                }
            } catch (IOException e) {
            }
        } else {
            setEnabled(false);

            return;
        }
    }

    setEnabled(enabled);
}

From source file:com.liferay.ide.server.ui.navigator.PropertiesActionProvider.java

License:Open Source License

public void fillContextMenu(IMenuManager menu) {
    // This is a temp workaround to clean up the default group that are provided by CNF
    menu.removeAll();//from   w w w  .j ava 2s  . c  om

    ICommonViewerSite site = actionSite.getViewSite();
    IStructuredSelection selection = null;

    if (site instanceof ICommonViewerWorkbenchSite) {
        ICommonViewerWorkbenchSite wsSite = (ICommonViewerWorkbenchSite) site;
        selection = (IStructuredSelection) wsSite.getSelectionProvider().getSelection();
    }

    PropertiesFile file = null;

    if (selection != null && !selection.isEmpty()) {
        Iterator<?> iterator = selection.iterator();
        Object obj = iterator.next();

        if (obj instanceof PropertiesFile) {
            file = (PropertiesFile) obj;
        }

        if (iterator.hasNext()) {
            file = null;
        }
    }

    menu.add(invisibleSeparator(TOP_SECTION_START_SEPARATOR));
    addTopSection(menu, file);
    menu.add(invisibleSeparator(TOP_SECTION_END_SEPARATOR));
    menu.add(new Separator());

    menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
    menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS + "-end"));
}

From source file:com.maccasoft.composer.MusicEditor.java

License:Open Source License

void createHeader(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout gridLayout = new GridLayout(12, false);
    gridLayout.marginWidth = gridLayout.marginHeight = 0;
    composite.setLayout(gridLayout);/* w w  w.ja va 2 s .com*/
    composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    Label label = new Label(composite, SWT.NONE);
    label.setText("Song");

    songsCombo = new ComboViewer(composite, SWT.DROP_DOWN | SWT.READ_ONLY | SWT.NO_FOCUS);
    songsCombo.getCombo().setVisibleItemCount(20);
    songsCombo.getCombo()
            .setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 30), SWT.DEFAULT));
    songsCombo.setContentProvider(new ObservableListContentProvider());
    songsCombo.setLabelProvider(new LabelProvider());

    ToolBar toolBar = new ToolBar(composite, SWT.FLAT | SWT.NO_FOCUS);

    edit = new ToolItem(toolBar, SWT.PUSH);
    edit.setImage(ImageRegistry.getImageFromResources("application_edit.png"));
    edit.setToolTipText("Rename");
    edit.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            IInputValidator validator = new IInputValidator() {

                @Override
                public String isValid(String newText) {
                    if (newText.length() == 0) {
                        return "";
                    }
                    for (Song song : project.getSongs()) {
                        if (song != currentSong && newText.equalsIgnoreCase(song.getName())) {
                            return "A song with the same title already exists";
                        }
                    }
                    return null;
                }
            };
            InputDialog dlg = new InputDialog(shell, "Rename Song", "Title:", currentSong.getName(), validator);
            if (dlg.open() == InputDialog.OK) {
                currentSong.setName(dlg.getValue());
                songsCombo.refresh();
            }
        }
    });

    new ToolItem(toolBar, SWT.SEPARATOR);

    play = new ToolItem(toolBar, SWT.PUSH);
    play.setImage(ImageRegistry.getImageFromResources("control_play_blue.png"));
    play.setToolTipText("Play");
    play.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            Runnable playThread = new Runnable() {

                @Override
                public void run() {
                    try {
                        ProjectCompiler compiler = new ProjectCompiler(project);
                        Music music = compiler.build(currentSong);
                        byte[] data = music.toArray();
                        try {
                            serialPort.writeInt('P');
                            serialPort.writeInt(data.length & 0xFF);
                            serialPort.writeInt((data.length >> 8) & 0xFF);
                            serialPort.writeBytes(data);
                        } catch (SerialPortException e) {
                            e.printStackTrace();
                        }
                    } catch (final ProjectException ex) {
                        Display.getDefault().asyncExec(new Runnable() {

                            @Override
                            public void run() {
                                if (shell.isDisposed()) {
                                    return;
                                }
                                MessageDialog.openError(shell, Main.APP_TITLE,
                                        "An error occurred while compiling song:\r\n\r\n" + ex.getMessage());
                                focusOnErrorCell(ex);
                            }
                        });
                    }
                }
            };
            new Thread(playThread).start();
        }
    });

    stop = new ToolItem(toolBar, SWT.PUSH);
    stop.setImage(ImageRegistry.getImageFromResources("control_stop_blue.png"));
    stop.setToolTipText("Stop");
    stop.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                serialPort.writeInt('0');
            } catch (SerialPortException ex) {
                ex.printStackTrace();
            }
        }
    });

    new ToolItem(toolBar, SWT.SEPARATOR);

    delete = new ToolItem(toolBar, SWT.PUSH);
    delete.setImage(ImageRegistry.getImageFromResources("application_delete.png"));
    delete.setToolTipText("Delete song");
    delete.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = songsCombo.getStructuredSelection();
            if (selection.isEmpty()) {
                return;
            }
            if (!MessageDialog.openConfirm(shell, Main.APP_TITLE, "You really want to delete this song?")) {
                return;
            }
            int index = project.getSongs().indexOf(selection.getFirstElement());
            if (index > 0) {
                songsCombo.setSelection(new StructuredSelection(project.getSong(index - 1)));
            } else {
                songsCombo.setSelection(new StructuredSelection(project.getSong(index + 1)));
            }
            project.getObservableSongs().remove(selection.getFirstElement());
            delete.setEnabled(currentSong != null && project.getSongs().size() > 1);
        }
    });

    label = new Label(composite, SWT.NONE);
    label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    label = new Label(composite, SWT.NONE);
    label.setText("BPM");

    bpm = new Spinner(composite, SWT.BORDER | SWT.NO_FOCUS);
    bpm.setValues(120, 0, 9999, 0, 1, 1);
    bpm.setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 5), SWT.DEFAULT));
    bpm.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (currentSong != null) {
                currentSong.setBpm(bpm.getSelection());
            }
        }
    });

    label = new Label(composite, SWT.NONE);
    label.setText("Rows");

    rows = new Spinner(composite, SWT.BORDER | SWT.NO_FOCUS);
    rows.setValues(0, 0, 9999, 0, 1, 1);
    rows.setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 5), SWT.DEFAULT));
    rows.setEnabled(false);
    rows.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (currentSong == null) {
                return;
            }
            int totalRows = rows.getSelection();
            while (currentSong.getObservableRows().size() > totalRows) {
                currentSong.getObservableRows().remove(currentSong.getObservableRows().size() - 1);
            }
            while (currentSong.getObservableRows().size() < totalRows) {
                currentSong.getObservableRows().add(new SongRow());
            }
        }
    });

    label = new Label(composite, SWT.NONE);
    label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    label = new Label(composite, SWT.NONE);
    label.setText("Octave");

    octave = new Spinner(composite, SWT.BORDER | SWT.NO_FOCUS);
    octave.setValues(3, 1, 9, 0, 1, 1);
    octave.setLayoutData(new GridData(Dialog.convertWidthInCharsToPixels(fontMetrics, 3), SWT.DEFAULT));
    octave.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.getControl().setFocus();
        }
    });

    instrumentToolBar = new InstrumentToolBar(composite);

    songsCombo.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            currentSong = (Song) selection.getFirstElement();
            updateSongView();
        }
    });
}

From source file:com.maccasoft.composer.NoteKeyListener.java

License:Open Source License

@Override
public void keyPressed(KeyEvent e) {
    IStructuredSelection selection = viewer.getStructuredSelection();
    if (selection.isEmpty()) {
        return;/*from  w ww.j a  v  a2  s . co m*/
    }

    SongRow model = (SongRow) selection.getFirstElement();

    final ViewerCell cell = viewer.getColumnViewerEditor().getFocusCell();
    int channel = cell.getColumnIndex() / 4;
    int columnIndex = cell.getColumnIndex() % 4;

    if (columnIndex == 0) {
        String s = noteMap.get(e.character);
        if (s != null) {
            model.setNote(channel, s + String.valueOf(getOctave()));
            if ("".equals(model.getInstrument(channel))) {
                model.setInstrument(channel, getInstrument());
            }
            viewer.update(model, null);

            final ViewerCell nextCell = cell.getNeighbor(ViewerCell.BELOW, false);
            if (nextCell != null) {
                final Event event1 = new Event();
                event1.type = SWT.KeyDown;
                event1.keyCode = SWT.ARROW_DOWN;
                event1.widget = e.widget;
                final Event event2 = new Event();
                event2.type = SWT.KeyUp;
                event2.keyCode = SWT.ARROW_DOWN;
                event2.widget = e.widget;

                final Display display = e.display;
                display.asyncExec(new Runnable() {

                    @Override
                    public void run() {
                        if (event1.widget.isDisposed()) {
                            return;
                        }
                        display.post(event1);
                        display.post(event2);
                    }
                });
            }
            e.doit = false;
            return;
        }
    }
    if (e.character == SWT.DEL) {
        if ((e.stateMask & SWT.MOD2) != 0) {
            removeEntryAndShiftUp(channel, model);
            viewer.refresh();
            e.doit = false;
            return;
        }
        switch (columnIndex) {
        case 0:
            model.setNote(channel, "");
            break;
        case 1:
            model.setInstrument(channel, "");
            break;
        case 2:
            model.setFx1(channel, "");
            break;
        case 3:
            model.setFx2(channel, "");
            break;
        }
        viewer.update(model, null);
        e.doit = false;
        return;
    }
    if (e.keyCode == SWT.INSERT) {
        insertBlankAndShiftDown(channel, model);
        viewer.refresh();
        e.doit = false;
        return;
    }
    if (e.character >= 0x20 && e.character <= 0x7F) {
        e.doit = false;
        return;
    }
}