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

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.iw.plugins.spindle.editors.AbstractPropertySheetEditorSection.java

License:Mozilla Public License

protected void handleEdit() {
    IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
    if (!selection.isEmpty()) {
        Object object = ((IStructuredSelection) selection).getFirstElement();
        fireSelectionNotification(object);
        setPageSelection();//  w  w  w.  j a  v  a2  s  . co  m
        pAction.run();
    }
}

From source file:com.iw.plugins.spindle.editors.AbstractPropertySheetEditorSection.java

License:Mozilla Public License

public boolean isSelected(Object object) {
    IStructuredSelection selection = (IStructuredSelection) getViewer().getSelection();
    if (selection == null || selection.isEmpty()) {
        return false;
    }// w w w  .j  a v a 2 s.c  o m
    return object == selection.getFirstElement();
}

From source file:com.iw.plugins.spindle.editors.spec.outline.TapestryOutlinePage.java

License:Mozilla Public License

public void createControl(Composite parent) {
    fTree = new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    treeViewer = new TreeViewer(fTree);
    treeViewer.addSelectionChangedListener(this);
    treeViewer.setContentProvider(createContentProvider());
    treeViewer.setLabelProvider(createLabelProvider());
    treeViewer.setAutoExpandLevel(TreeViewer.ALL_LEVELS);
    treeViewer.setUseHashlookup(false);//from  w ww .  j a v  a2  s  .c o m
    treeViewer.setSorter(fCurrentSorter);
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
            if (!selection.isEmpty())
                fireSelectionChanged(new DoubleClickSelection(selection.getFirstElement()));
        }
    });
    UIPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(new IPropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent event) {
            adaptToPreferenceChange(event);
        }
    });
    setInput(fSavedInput);
}

From source file:com.iw.plugins.spindle.editors.spec.outline.XMLOutlinePage.java

License:Mozilla Public License

public void createControl(Composite parent) {
    fTree = new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    treeViewer = new TreeViewer(fTree);
    treeViewer.addSelectionChangedListener(this);
    treeViewer.setContentProvider(createContentProvider());
    treeViewer.setLabelProvider(createLabelProvider());
    treeViewer.setAutoExpandLevel(TreeViewer.ALL_LEVELS);
    treeViewer.setUseHashlookup(true);/*w  w w  .  j av  a  2 s . co  m*/
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
            if (!selection.isEmpty())
                fireSelectionChanged(new DoubleClickSelection(selection.getFirstElement()));
        }
    });
    setInput(fRoot);
}

From source file:com.iw.plugins.spindle.editors.SpindleFormOutlinePage.java

License:Mozilla Public License

/**
 * Method fillContextMenu.//from   w w  w .  ja  v  a 2 s  .com
 * @param mng
 */
private void fillContextMenu(IMenuManager mng) {

    IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();

    if (!selection.isEmpty()) {

        Object item = selection.getFirstElement();
        if (item instanceof Holder) {
            SpindleFormPage page = (SpindleFormPage) getParentPage(item);
            if (page != null) {

                page.fillContextMenu(mng);

            }
        }
    }

}

From source file:com.iw.plugins.spindle.html.HTMLContentOutlinePage.java

License:Mozilla Public License

private void fillContextMenu(IMenuManager manager) {
    TreeViewer viewer = (TreeViewer) getTreeViewer();
    IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();

    IFile file = Utils.findRelatedComponent(documentFile);

    IStructuredSelection canCreateSelection = filterSelection(file, selection);

    if (canCreateSelection.isEmpty() && selection.size() == 1) {

        ILabelProvider provider = (ILabelProvider) getTreeViewer().getLabelProvider();

        openAction.configure(file, provider.getText(selection.getFirstElement()));
        manager.add(openAction);//from www .j a v  a  2  s.co  m

    } else {

        createAction.configure(file, canCreateSelection);
        manager.add(createAction);
    }

}

From source file:com.iw.plugins.spindle.html.HTMLContentOutlinePage.java

License:Mozilla Public License

private IStructuredSelection filterSelection(IFile file, IStructuredSelection selection) {

    if (selection == null || selection.isEmpty()) {
        return selection;
    }//from ww w.  j  av  a2s.co  m

    if (file == null) {

        return StructuredSelection.EMPTY;
    }

    TapestryComponentModel model = editor.getComponentModel(file);

    if (model == null || !model.isLoaded()) {

        return StructuredSelection.EMPTY;

    }

    ILabelProvider provider = (ILabelProvider) getTreeViewer().getLabelProvider();

    List collected = new ArrayList();

    for (Iterator iter = selection.iterator(); iter.hasNext();) {
        ITypedRegion element = (ITypedRegion) iter.next();
        String jwcId = provider.getText(element);
        if (jwcId.startsWith("$")) {
            continue;
        }

        if (editor.alreadyHasJWCID(jwcId, model)) {
            continue;
        }
        collected.add(jwcId);

    }

    return new StructuredSelection(collected);

}

From source file:com.iw.plugins.spindle.refactor.components.RefactorComponentAliasWizard.java

License:Mozilla Public License

public void selectionChanged(SelectionChangedEvent event) {

    IStructuredSelection selection = (IStructuredSelection) event.getSelection();
    canFinish = !selection.isEmpty() && !oldName.equals(firstPage.getNewName());

    getContainer().updateButtons();/*from  www .jav  a  2s . c  om*/

}

From source file:com.iw.plugins.spindle.ui.ChooseFromNamespaceWidget.java

License:Mozilla Public License

public ISelection getSelection() {

    IStructuredSelection selection = (IStructuredSelection) super.getSelection();

    if (selection == null || selection.isEmpty()) {

        return selection;

    }//  w  w w  . ja  v  a2 s  . c o  m

    Object[] selectionData = selection.toArray();

    resultString = (String) selectionData[0];
    Object dataNamespace = selectionData[1];

    if (dataNamespace instanceof INamespaceFragment) {

        resultNamespace = (INamespaceFragment) selectionData[1];

    } else {

        resultNamespace = null;
    }

    if (resultString == null) {

        return new StructuredSelection();

    }

    return new StructuredSelection(getResultPath());
}

From source file:com.iw.plugins.spindle.ui.ChooseWorkspaceModelWidget.java

License:Mozilla Public License

public ISelection getSelection() {

    IStructuredSelection selection = (IStructuredSelection) super.getSelection();

    if (selection == null || selection.isEmpty()) {

        return selection;

    }/*from www . j  a v a 2s. co m*/

    Object[] selectionData = selection.toArray();

    IStorage selectedStorage = (IStorage) selectionData[0];
    IPackageFragment selectedPackage = (IPackageFragment) selectionData[1];

    resultString = null;
    resultPackage = null;

    if (selectedStorage != null) {

        resultString = selectedStorage.getName();
    }

    if (selectedPackage != null) {

        resultPackage = selectedPackage;

    }

    if (resultString == null) {

        return new StructuredSelection();

    }

    return new StructuredSelection(resultString);
}