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:de.loskutov.eclipseskins.ui.ClosedPartListControl.java

License:Open Source License

/**
 * Delete all selected elements.//from w  ww.jav  a 2  s  . co  m
 *
 * @return <code>true</code> if there are no elements left after deletion.
 */
protected boolean deleteSelectedElements() {
    IStructuredSelection selection = getSelectedElements();
    if (selection != null) {
        for (Iterator iterator = selection.iterator(); iterator.hasNext();) {
            ClosedPart closedPart = (ClosedPart) iterator.next();
            closedPart.remove();
        }
        if (tabArea.getClosedPartList().length == 0) {
            dispose();
        } else {
            fTableViewer.refresh();
        }
        return true;
    }
    return false;
}

From source file:de.loskutov.eclipseskins.ui.PartListControl.java

License:Open Source License

/**
 * Delete all selected elements./* w ww.  j  a  va 2 s.c o m*/
 *
 * @return <code>true</code> if there are no elements left after deletion.
 */
protected boolean deleteSelectedElements() {
    IStructuredSelection selection = getSelectedElements();
    if (selection != null) {
        ArrayList list = new ArrayList(selection.size());
        for (Iterator iterator = selection.iterator(); iterator.hasNext();) {
            IPresentablePart presentablePart = (IPresentablePart) iterator.next();
            list.add(presentablePart);
        }
        VSStackPresentation presentation = tabArea.getPresentation();
        presentation.close((IPresentablePart[]) list.toArray(new IPresentablePart[list.size()]));
        IPresentablePart[] partList = presentation.getSite().getPartList();
        if (partList == null || partList.length == 0) {
            dispose();
        }
        return true;
    }
    return false;
}

From source file:de.ovgu.cide.astview.ASTView.java

License:Open Source License

private List<IASTNode> getSelection() {
    List<IASTNode> result = new ArrayList<IASTNode>();
    IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
    for (Iterator<Object> iter = selection.iterator(); iter.hasNext();) {
        Object element = iter.next();
        if (element instanceof IASTNode) {
            result.add((IASTNode) element);
        }/*  ww  w .  j av a2  s.  c  om*/
    }
    return result;
}

From source file:de.ovgu.featureide.fm.ui.editors.featuremodel.actions.CalculateDependencyAction.java

License:Open Source License

/**
 * Checks if selection is valid, i.e. selection is not empty, not root and a feature from the feature model tree.
 * /* w  w  w .ja  v  a 2s  .c  o m*/
 * @param selection the selected feature from the feature model tree
 * @return true if valid selection, else false
 */
private boolean isValidSelection(IStructuredSelection selection) {
    // check empty selection (i.e. ModelEditPart is selected)
    if (selection.size() == 1 && (selection.getFirstElement() instanceof ModelEditPart))
        return false;

    selectedFeatures.clear();
    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object editPart = iter.next();
        if (!(editPart instanceof FeatureEditPart) && !(editPart instanceof IFeature))
            continue;
        IFeature feature;

        if (editPart instanceof FeatureEditPart)
            feature = ((FeatureEditPart) editPart).getFeature().getObject();
        else
            feature = (IFeature) editPart;

        selectedFeatures.add(feature);
    }

    boolean res = !selectedFeatures.isEmpty();

    // permit selection to be root of the origin feature model
    if (res) {
        String s = selectedFeatures.getFirst().toString();
        if (s.equals(FeatureUtils.getRoot(featureModel).toString())) {
            return false;
        }
    }
    return res;
}

From source file:de.ovgu.featureide.fm.ui.editors.featuremodel.actions.CreateCompoundAction.java

License:Open Source License

private boolean isValidSelection(IStructuredSelection selection) {
    // check empty selection (i.e. ModelEditPart is selected)
    if (selection.size() == 1 && (selection.getFirstElement() instanceof ModelEditPart))
        return false;

    // check that selected features have the same parent
    selectedFeatures.clear();/* w  ww  .  ja v a 2  s. c  o  m*/
    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object editPart = iter.next();
        if (!(editPart instanceof FeatureEditPart) && !(editPart instanceof Feature))
            continue;
        Feature feature;

        if (editPart instanceof FeatureEditPart)
            feature = ((FeatureEditPart) editPart).getFeature();
        else
            feature = (Feature) editPart;

        if (selectedFeatures.isEmpty())
            parent = feature.getParent();
        else if (parent != feature.getParent())
            return false;
        selectedFeatures.add(feature);
    }
    return !selectedFeatures.isEmpty();
}

From source file:de.ovgu.featureide.fm.ui.editors.featuremodel.actions.DeleteAction.java

License:Open Source License

private boolean isValidSelection(IStructuredSelection selection) {
    // check empty selection (i.e. ModelEditPart is selected)
    if (selection.size() == 1 && selection.getFirstElement() instanceof ModelEditPart)
        return false;

    // check that a possibly new root can be determined unique
    Feature root = featureModel.getRoot();
    Feature newRoot = root;//w w w.  jav  a  2  s.  c  o m
    LinkedList<Feature> features = new LinkedList<Feature>(featureModel.getFeatures());
    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object editPart = iter.next();
        if (!(editPart instanceof FeatureEditPart) && !(editPart instanceof Feature))
            continue;
        Feature feature = editPart instanceof FeatureEditPart ? ((FeatureEditPart) editPart).getFeature()
                : (Feature) editPart;
        if (feature == root) {
            if (root.getChildrenCount() != 1)
                return false;
            newRoot = root.getFirstChild();
            if (!newRoot.hasChildren())
                return false;
        }
        features.remove(feature);
    }

    // check that the only child of a deleted root is not deleted too
    if (root != newRoot && !features.contains(newRoot))
        return false;

    return true;
}

From source file:de.ovgu.featureide.fm.ui.editors.featuremodel.actions.EditConstraintAction.java

License:Open Source License

@Override
protected boolean isValidSelection(IStructuredSelection selection) {
    if (selection.size() == 1 && selection.getFirstElement() instanceof ModelEditPart)
        return false;

    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object editPart = iter.next();
        if (editPart instanceof ConstraintEditPart) {
            constraint = ((ConstraintEditPart) editPart).getConstraintModel();
            return true;
        }/*from   w ww. j  ava  2s . c  om*/
        if (editPart instanceof Constraint) {
            constraint = (Constraint) editPart;
            return true;
        }
    }
    return false;
}

From source file:de.ovgu.featureide.fm.ui.handlers.base.ASelectionHandler.java

License:Open Source License

@Override
public final Object execute(ExecutionEvent event) throws ExecutionException {
    final ISelection selection = HandlerUtil.getCurrentSelection(event);
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection strSelection = (IStructuredSelection) selection;
        if (startAction(strSelection)) {
            for (Iterator<?> it = strSelection.iterator(); it.hasNext();) {
                singleAction(it.next());
            }/*from  w  w w . j  a  va  2  s.  c  om*/
            endAction();
        }
    }
    return null;
}

From source file:de.plugins.eclipse.depclipse.actions.PackageTreeSelectionChangedAction.java

License:Open Source License

public void runWithEvent(SelectionChangedEvent event) {
    IStructuredSelection selectedStructure = (IStructuredSelection) event.getSelection();
    ArrayList<IResource> al = new ArrayList<IResource>();

    Iterator<?> iter = selectedStructure.iterator();
    IResource[] resources;//  w  ww. j a  v  a  2  s  . c om
    while (iter.hasNext()) {
        TreeObject o = (TreeObject) iter.next();
        if (o.isLeaf()) {
            TreeLeaf tleaf = (TreeLeaf) o;
            if (tleaf.getIResource() != null) {
                al.add(tleaf.getIResource());
            }
        } else {
            TreeFolder tfolder = (TreeFolder) o;
            try {
                resources = tfolder.getIResources();
                for (int i = 0; i < resources.length; i++) {
                    if (!al.contains(resources[i])) {
                        al.add(resources[i]);
                    }
                }
            } catch (JavaModelException e) {
                DepclipsePlugin.handle(e);
            }

        }
    }
    DepclipsePlugin.getJDependData().setSelection((IResource[]) al.toArray(new IResource[0]));
}

From source file:de.quamoco.adaptation.wizard.util.modelattributes.ModelAttributesComposite.java

License:Apache License

/**
 * Creates the visual controls embedded in this composite,
 * depending on the {@link #style} attribute.
 *//*from   www . j a v  a 2s  .c  om*/
protected void createControls() {

    this.setLayout(new GridLayout(3, false));

    /* Name row */
    Label lblName = new Label(this, SWT.NONE);
    lblName.setText("Name:");
    txtName = new Text(this, SWT.NONE);
    txtName.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    btnFilterName = createFilterButton();

    /* Description row */
    Label lblDescription = new Label(this, SWT.NONE);
    lblDescription.setText("Description:");
    txtDescription = new Text(this, SWT.MULTI | SWT.V_SCROLL);
    lblDescription.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));
    GridData layoutTxtDescription = new GridData(SWT.FILL, SWT.FILL, true, false);
    layoutTxtDescription.heightHint = 55;
    txtDescription.setLayoutData(layoutTxtDescription);
    btnFilterDescription = createFilterButton();

    /* Object row */
    Label lblObject = new Label(this, SWT.NONE);
    lblObject.setText("Object:");
    cbObject = new ComboViewer(this, SWT.NONE);
    cbObject.setContentProvider(new ObjectContentProvider(wizard.getAttributesSettingPage()));
    cbObject.setLabelProvider(new NamedElementLabelProvider());
    cbObject.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbObject.setSorter(new ViewerSorter()); // default sorter (by name)
    btnFilterObject = createFilterButton();

    /* Viewpoint row */
    Label lblViewpoint = new Label(this, SWT.NONE);
    lblViewpoint.setText("Viewpoint:");
    cbViewpoint = new ComboViewer(this, SWT.NONE);
    cbViewpoint.setContentProvider(new ViewpointContentProvider(wizard.getAttributesSettingPage()));
    cbViewpoint.setLabelProvider(new NamedElementLabelProvider());
    cbViewpoint.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbViewpoint.setSorter(new ViewerSorter());
    btnFilterViewpoint = createFilterButton();

    /* Quality Focus row */
    Label lblQualityFocus = new Label(this, SWT.NONE);
    lblQualityFocus.setText("Quality Focus:");
    cbQualityFocus = new ComboViewer(this, SWT.NONE);
    cbQualityFocus.setContentProvider(
            new QualityFocusContentProvider(wizard.getAttributesSettingPage(), cbViewpoint));
    cbQualityFocus.setLabelProvider(new NamedElementLabelProvider());
    cbQualityFocus.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbQualityFocus.setSorter(new ViewerSorter());
    btnFilterQualityFocus = createFilterButton();
    // Call update method when viewpoint has changed
    cbViewpoint.addPostSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            cbQualityFocus.refresh();
        }
    });

    /* Purpose row */
    Label lblPurpose = new Label(this, SWT.NONE);
    lblPurpose.setText("Purpose:");
    cbPurpose = new ComboViewer(this, SWT.READ_ONLY);
    cbPurpose.setContentProvider(new PurposeContentProvider(wizard));
    cbPurpose.setLabelProvider(new NamedElementLabelProvider());
    cbPurpose.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbPurpose.setSorter(new ViewerSorter());
    btnFilterPurpose = createFilterButton();

    /* Context row */
    Label lblContext = new Label(this, SWT.NONE);
    lblContext.setText("Context:");
    lblContext.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));

    Composite contextComposite = new Composite(this, SWT.NONE);
    contextComposite.setLayout(SWTUtil.createNoMarginGridLayout(1, false));
    contextComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

    lwContext = new ListViewer(contextComposite);
    lwContext.setContentProvider(new ContextListContentProvider());
    lwContext.setLabelProvider(new NamedElementLabelProvider());
    lwContext.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    lwContext.setSorter(new ViewerSorter());
    lwContext.setInput(context);
    lwContext.getList().addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.keyCode == SWT.DEL) {
                IStructuredSelection selection = (IStructuredSelection) lwContext.getSelection();
                if (selection != null && !selection.isEmpty()) {
                    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
                        Object next = iterator.next();
                        context.remove(next);
                        cbContext.add(next);
                    }
                    lwContext.refresh();
                    notifyListener();
                }
            }
        }
    });

    Composite cbContextComposite = new Composite(contextComposite, SWT.NONE);
    cbContextComposite.setLayout(SWTUtil.createNoMarginGridLayout(2, false));
    cbContextComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbContext = new ComboViewer(cbContextComposite, SWT.NONE);
    cbContext.setContentProvider(new ContextComboContentProvider(context));
    cbContext.setLabelProvider(new NamedElementLabelProvider());
    cbContext.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
    cbContext.setSorter(new ViewerSorter());
    Button btnContextAdd = new Button(cbContextComposite, SWT.PUSH);
    btnContextAdd.setText("Add");
    btnContextAdd.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            addContext();
        }
    });
    cbContext.getCombo().addKeyListener(new KeyAdapter() {
        @Override
        public void keyPressed(KeyEvent e) {
            if (e.keyCode == SWT.CR) {
                addContext();
            }
        }
    });

    btnFilterContext = createFilterButton();
}