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

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

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

Prototype

StructuredSelection EMPTY

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The canonical empty selection.

Usage

From source file:net.sf.eclipsensis.installoptions.properties.tabbed.section.GeneralPropertySection.java

License:Open Source License

private Control createFlagsSection(final InstallOptionsWidget widget, Composite parent,
        final InstallOptionsCommandHelper commandHelper) {
    final String displayName = widget.getPropertyDescriptor(InstallOptionsModel.PROPERTY_FLAGS)
            .getDisplayName();//from  ww  w. j a v  a  2s  .  c  o  m

    TabbedPropertySheetWidgetFactory factory = getWidgetFactory();
    Composite group = factory.createGroup(parent, displayName);
    GridLayout layout = new GridLayout(2, true);
    group.setLayout(layout);

    final boolean[] nonUserChange = { false };

    final Table table = factory.createTable(group, SWT.FLAT | SWT.CHECK | SWT.SINGLE | SWT.HIDE_SELECTION);
    GC gc = new GC(table);
    gc.setFont(JFaceResources.getDialogFont());
    FontMetrics fontMetrics = gc.getFontMetrics();
    gc.dispose();
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.horizontalSpan = 2;
    data.widthHint = fontMetrics.getAverageCharWidth() * 30;
    data.heightHint = fontMetrics.getHeight() * 10;
    table.setLayoutData(data);

    final CheckboxTableViewer viewer = new CheckboxTableViewer(table);
    viewer.setContentProvider(new CollectionContentProvider());
    viewer.setLabelProvider(new LabelProvider());
    viewer.setComparer(new IElementComparer() {
        public boolean equals(Object a, Object b) {
            return Common.objectsAreEqual(a, b);
        }

        public int hashCode(Object element) {
            if (element != null) {
                return element.hashCode();
            }
            return 0;
        }
    });
    table.addListener(SWT.EraseItem, new Listener() {
        public void handleEvent(Event event) {
            event.detail &= ~(SWT.SELECTED | SWT.FOCUSED);
        }
    });
    final List<String> flags = new ArrayList<String>(widget.getFlags());
    final Collection<String> availableFlags = widget.getTypeDef().getFlags();
    final IPropertyDescriptor descriptor = widget.getPropertyDescriptor(InstallOptionsModel.PROPERTY_FLAGS);
    final ICellEditorValidator validator = PropertyDescriptorHelper
            .getCellEditorValidator((PropertyDescriptor) descriptor);
    final Runnable runnable = new Runnable() {
        public void run() {
            nonUserChange[0] = true;
            try {
                if (validator != null) {
                    String error = validator.isValid(flags);
                    if (error != null) {
                        Common.openError(table.getShell(), error, InstallOptionsPlugin.getShellImage());
                        viewer.setCheckedElements(widget.getFlags().toArray());
                        return;
                    }
                }
                commandHelper.propertyChanged(InstallOptionsModel.PROPERTY_FLAGS, descriptor.getDisplayName(),
                        widget, flags);
            } finally {
                nonUserChange[0] = false;
            }
        }
    };
    viewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            String flag = (String) event.getElement();
            boolean checked = event.getChecked();
            if (checked) {
                flags.add(flag);
            } else {
                flags.remove(flag);
            }
            runnable.run();
        }
    });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            if (!event.getSelection().isEmpty()) {
                String flag = (String) ((IStructuredSelection) event.getSelection()).getFirstElement();
                viewer.setSelection(StructuredSelection.EMPTY);
                boolean checked = viewer.getChecked(flag);
                viewer.setChecked(flag, !checked);
                if (!checked) {
                    flags.add(flag);
                } else {
                    flags.remove(flag);
                }
                runnable.run();
            }
        }
    });

    Button b = factory.createButton(group, InstallOptionsPlugin.getResourceString("select.all.label"), //$NON-NLS-1$
            SWT.PUSH | SWT.FLAT);
    b.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            flags.clear();
            flags.addAll(availableFlags);
            viewer.setCheckedElements(availableFlags.toArray());
            runnable.run();
        }
    });
    b.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    b = factory.createButton(group, InstallOptionsPlugin.getResourceString("deselect.all.label"), //$NON-NLS-1$
            SWT.PUSH | SWT.FLAT);
    b.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            flags.clear();
            viewer.setCheckedElements(Common.EMPTY_STRING_ARRAY);
            runnable.run();
        }
    });
    b.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

    viewer.setInput(availableFlags == null ? Collections.EMPTY_LIST : availableFlags);
    viewer.setCheckedElements(flags.toArray());
    final PropertyChangeListener listener = new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals(InstallOptionsModel.PROPERTY_FLAGS)) {
                if (!nonUserChange[0]) {
                    List<String> newFlags = widget.getFlags();
                    if (Common.isValid(viewer.getControl())) {
                        viewer.setCheckedElements(
                                newFlags == null ? Common.EMPTY_STRING_ARRAY : newFlags.toArray());
                        flags.clear();
                        flags.addAll(newFlags);
                    }
                }
            }
        }
    };
    widget.addPropertyChangeListener(listener);
    group.addDisposeListener(new DisposeListener() {
        public void widgetDisposed(DisposeEvent e) {
            widget.removePropertyChangeListener(listener);
        }
    });
    return group;
}

From source file:net.sf.eclipsensis.utilities.dialogs.AbstractToolsUtilityDialog.java

License:Open Source License

private void setVMInstall(IVMInstall vmInstall) {
    if (mVmInstalls != null && !mVmInstalls.getCombo().isDisposed()) {
        mVmInstalls.setInput(Common.getVMInstalls(vmInstall == null ? getMinJDKVersion()
                : Common.parseVersion(((IVMInstall2) vmInstall).getJavaVersion())));
        StructuredSelection selection = vmInstall != null ? new StructuredSelection(vmInstall)
                : StructuredSelection.EMPTY;
        mVmInstalls.setSelection(selection);
    } else {//w ww  .  j  a  va2s  .c o  m
        setVMInstall0(vmInstall);
    }
}

From source file:net.sf.jasperreports.samples.wizards.JasperReportsSamplesProjectAction.java

License:Open Source License

@Override
public void run() {
    SampleNewWizard wizard = new SampleNewWizard();
    wizard.init(PlatformUI.getWorkbench(), StructuredSelection.EMPTY);
    WizardDialog dialogToOpen = new WizardDialog(UIUtils.getShell(), wizard);
    dialogToOpen.create();//w ww.j a  v a  2  s . c  o  m
    dialogToOpen.open();
}

From source file:net.sf.logsaw.dialect.log4j.ui.pattern.Log4JPatternLayoutPreferencePage.java

License:Open Source License

@Override
protected Control createContents(Composite parent) {
    Composite root = new Composite(parent, SWT.NONE);
    root.setLayout(new GridLayout(2, false));

    listViewer = new ListViewer(root, SWT.BORDER | SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL);
    listViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    listViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
         */// www  . j  av a2  s. co m
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection sel = (IStructuredSelection) event.getSelection();
            editButton.setEnabled(!sel.isEmpty());
            removeButton.setEnabled(!sel.isEmpty());
        }
    });
    listViewer.setContentProvider(new ArrayContentProvider());
    listViewer.setLabelProvider(new LabelProvider());
    listViewer.setSorter(new ViewerSorter());

    Composite buttonArea = new Composite(root, SWT.NONE);
    buttonArea.setLayout(new GridLayout());
    GridData gridData = new GridData();
    gridData.verticalAlignment = SWT.BEGINNING;
    buttonArea.setLayoutData(gridData);

    Button addButton = new Button(buttonArea, SWT.PUSH);
    addButton.setText(Messages.Log4JPatternLayoutPreferencePage_label_add);
    addButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            PatternDialog dlg = new PatternDialog(getShell(), patternDialect, null);
            if (dlg.open() == Window.OK) {
                patternSet.add(dlg.getPattern());
                refreshList();
            }
        }
    });
    addButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    editButton = new Button(buttonArea, SWT.PUSH);
    editButton.setText(Messages.Log4JPatternLayoutPreferencePage_label_edit);
    editButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection sel = (IStructuredSelection) listViewer.getSelection();
            String oldPattern = (String) sel.getFirstElement();
            PatternDialog dlg = new PatternDialog(getShell(), patternDialect, oldPattern);
            if (dlg.open() == Window.OK) {
                patternSet.remove(oldPattern);
                patternSet.add(dlg.getPattern());
                refreshList();
            }
        }
    });
    editButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    removeButton = new Button(buttonArea, SWT.PUSH);
    removeButton.setText(Messages.Log4JPatternLayoutPreferencePage_label_remove);
    removeButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            IStructuredSelection sel = (IStructuredSelection) listViewer.getSelection();
            patternSet.remove(sel.getFirstElement());
            listViewer.setSelection(StructuredSelection.EMPTY);
            refreshList();
        }
    });
    removeButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    refreshList();
    listViewer.setSelection(StructuredSelection.EMPTY);

    return root;
}

From source file:net.sf.logsaw.ui.propertyPages.ColumnsPropertyPage.java

License:Open Source License

@Override
protected Control createContents(Composite parent) {
    Composite root = new Composite(parent, SWT.NONE);
    root.setLayout(new GridLayout(2, false));

    tableViewer = CheckboxTableViewer.newCheckList(root,
            SWT.BORDER | SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
    tableViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        /* (non-Javadoc)
         * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
         *//*ww  w  . j a v  a 2s. c  om*/
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection sel = (IStructuredSelection) event.getSelection();
            boolean moveUp = false;
            boolean moveDown = false;
            if (!sel.isEmpty()) {
                // Update enabled state of moveUp/moveDown buttons
                int idx = model.indexOf(sel.getFirstElement());
                moveUp = idx > 0;
                moveDown = idx < model.size() - 1;
            }
            moveUpButton.setEnabled(moveUp);
            moveDownButton.setEnabled(moveDown);
        }
    });

    // Setup data binding
    ILogResource log = (ILogResource) getElement().getAdapter(ILogResource.class);
    model = new WritableList(log.getDialect().getFieldProvider().getAllFields(), ALogEntryField.class);
    ViewerSupport.bind(tableViewer, model, PojoProperties.values(new String[] { "label" })); //$NON-NLS-1$

    Composite buttonArea = new Composite(root, SWT.NONE);
    buttonArea.setLayout(new GridLayout());
    GridData gridData = new GridData();
    gridData.verticalAlignment = SWT.BEGINNING;
    buttonArea.setLayoutData(gridData);

    Button selectAllButton = new Button(buttonArea, SWT.PUSH);
    selectAllButton.setText(Messages.ColumnsPropertyPage_label_selectAll);
    selectAllButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            tableViewer.setAllChecked(true);
        }
    });
    selectAllButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    Button deselectAllButton = new Button(buttonArea, SWT.PUSH);
    deselectAllButton.setText(Messages.ColumnsPropertyPage_label_deselectAll);
    deselectAllButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            tableViewer.setAllChecked(false);
        }
    });
    deselectAllButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    moveUpButton = new Button(buttonArea, SWT.PUSH);
    moveUpButton.setText(Messages.ColumnsPropertyPage_label_moveUp);
    moveUpButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection();
            int idx = model.indexOf(sel.getFirstElement());
            model.move(idx, idx - 1);
        }
    });
    moveUpButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    moveDownButton = new Button(buttonArea, SWT.PUSH);
    moveDownButton.setText(Messages.ColumnsPropertyPage_label_moveDown);
    moveDownButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection();
            int idx = model.indexOf(sel.getFirstElement());
            model.move(idx, idx + 1);
        }
    });
    moveDownButton.setLayoutData(new GridData(SWT.FILL, SWT.NONE, false, false));

    tableViewer.setSelection(StructuredSelection.EMPTY);
    loadOrderAndCheckState();

    return root;
}

From source file:net.sf.wdte.ui.views.outline.ModelBasedOutlinePage.java

License:Open Source License

/**
 * Selects a specific element in the outline page.
 * /*from  w ww.  ja  v a2  s .c om*/
 * @param element the element to select
 */
public void select(ISourceReference element) {
    TreeViewer viewer = getTreeViewer();
    if (viewer != null) {
        ISelection selection = viewer.getSelection();
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            List elements = structuredSelection.toList();
            if (!elements.contains(element)) {
                if (element == null) {
                    selection = StructuredSelection.EMPTY;
                } else {
                    selection = new StructuredSelection(element);
                }
                viewer.setSelection(selection, true);
            }
        }
    }
}

From source file:net.sf.wickedshell.ui.batch.BatchManager.java

License:Open Source License

public void removeBatchFileDescriptor(IBatchFileDescriptor batchFileDescriptor) {
    List<IBatchFileDescriptor> batchFileDescriptors = DomainPlugin.getDefault().getBatchFileDescriptors();
    batchFileDescriptors.remove(batchFileDescriptor);
    tableViewerBatchFiles.setInput(batchFileDescriptors);
    tableViewerBatchFiles.setSelection(StructuredSelection.EMPTY);
    tableViewerBatchFiles.getTable().forceFocus();
}

From source file:net.sf.wickedshell.ui.batch.BatchManager.java

License:Open Source License

public void removeAllBatchFileDescriptors() {
    List<IBatchFileDescriptor> batchFileDescriptors = DomainPlugin.getDefault().getBatchFileDescriptors();
    batchFileDescriptors.clear();//from www  .  j a va2 s.c  om
    tableViewerBatchFiles.setInput(batchFileDescriptors);
    tableViewerBatchFiles.setSelection(StructuredSelection.EMPTY);
    tableViewerBatchFiles.getTable().forceFocus();
}

From source file:net.sourceforge.tagsea.core.ui.tags.TagsView.java

License:Open Source License

public TagsView() {
    selectionListeners = new LinkedList<ISelectionChangedListener>();
    currentSelection = StructuredSelection.EMPTY;
}

From source file:net.timedoctor.internal.ui.outline.TraceOutlinePage.java

License:Open Source License

private ISelection getVisibleSampleLineAsSelection(final ISelection sel) {
    if (sel instanceof IStructuredSelection) {
        final Object selected = ((IStructuredSelection) sel).getFirstElement();
        if (selected instanceof SampleLine && ((SampleLine) selected).isVisible()) {
            return new StructuredSelection(selected);
        }/*  w  ww  .j av  a 2  s  .  com*/
    }
    return StructuredSelection.EMPTY;
}