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

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:at.bitandart.zoubek.mervin.comments.CommentsView.java

License:Open Source License

/**
 * extracts all EObject link targets from the given selection.
 * //from   w ww.ja v a 2  s.c om
 * @param selection
 *            the selection containing the link targets.
 * @return a list of EObject link targets, does not return null.
 */
private List<EObject> extractLinkTargets(IStructuredSelection selection) {

    List<EObject> targets = new ArrayList<EObject>(selection.size());

    Iterator<?> iterator = selection.iterator();
    while (iterator.hasNext()) {

        Object element = iterator.next();
        if (element instanceof EObject) {

            targets.add((EObject) element);

        } else if (element instanceof GraphicalEditPart) {

            // GMF edit part -> use semantic model
            EObject semanticElement = ((GraphicalEditPart) element).resolveSemanticElement();
            targets.add(extractFromTemporaryContainer(semanticElement));

        } else if (element instanceof ConnectionEditPart) {

            // GMF edit part -> use semantic model
            EObject semanticElement = ((ConnectionEditPart) element).resolveSemanticElement();
            targets.add(extractFromTemporaryContainer(semanticElement));

        } else if (element instanceof EditPart) {

            // GEF edit part -> use model if it is an EObject
            Object model = ((EditPart) element).getModel();
            if (model instanceof EObject) {
                targets.add((EObject) model);
            }

        }

    }

    return targets;
}

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From source file:at.bitandart.zoubek.mervin.property.diff.PropertyDiffView.java

License:Open Source License

/**
 * creates the input object for the tree diff viewer based on the given
 * selection.//from  www.ja v a  2  s . c  o m
 * 
 * @param selection
 *            the selection used to create the input object for.
 * @return the input object for the tree diff viewer.
 */
private Object createInputFromSelection(IStructuredSelection selection) {

    Comparison comparison = getComparison(selection);

    List<SelectionEntry> modelEntries = new ArrayList<>(selection.size());

    Iterator<?> selectionIterator = selection.iterator();
    int selectionIndex = 1;
    while (selectionIterator.hasNext()) {

        Object object = selectionIterator.next();
        EObject selectedSemanticModelElement = diagramModelHelper.getSemanticModel(object);
        View selectedNotationModelElement = diagramModelHelper.getNotationModel(object);

        ModelReview currentModelReview = getCurrentModelReview();
        if (currentModelReview != null) {

            View originalNotationModelElement = (View) currentModelReview.getUnifiedModelMap().inverse()
                    .get(selectedNotationModelElement);

            if (originalNotationModelElement != null) {
                selectedNotationModelElement = originalNotationModelElement;
            }
        }

        Match semanticModelMatch = comparison.getMatch(selectedSemanticModelElement);
        Match notationModelMatch = comparison.getMatch(selectedNotationModelElement);

        /*
         * create an entry only if the selection contains a model element
         * contained in the comparison
         */
        if (semanticModelMatch != null || notationModelMatch != null) {
            SelectionEntry modelEntry = new SelectionEntry("#" + selectionIndex, semanticModelMatch,
                    notationModelMatch);
            modelEntries.add(modelEntry);

            // TODO add other (referencing, context, etc...) notation models

            selectionIndex++;
        }

    }

    return modelEntries;
}

---

From source file:at.bitandart.zoubek.mervin.review.HighlightSelectionListener.java

License:Open Source License

@Override
public void selectionChanged(SelectionChangedEvent event) {

    ModelReview review = part.getHighlightedModelReview();
    ISelection selection = event.getSelection();

    if (part.getHighlightMode() == HighlightMode.SELECTION && review != null) {

        IReviewHighlightService highlightService = part.getReviewHighlightService();

        highlightService.clearHighlights(review);
        if (selection instanceof IStructuredSelection) {

            IStructuredSelection structuredSelection = (IStructuredSelection) selection;
            Iterator<?> iterator = structuredSelection.iterator();

            while (iterator.hasNext()) {
                highlightService.addHighlightFor(review, iterator.next());
            }/*from w ww. j av  a2s  .c om*/
        }
    }
}

---

From source file:at.spardat.xma.guidesign.presentation.action.GuidesignActionBarContributor.java

License:Open Source License

/**
 * @param sels the currently selected object in the workbench
 * @return a collection of actions dependend of the type of the selection object
 *///from  ww w  . j a va2  s. c o  m
private Collection generateEditActions(IStructuredSelection sels) {
    Collection actions = new LinkedList();
    Object selection = null;
    if (((IStructuredSelection) sels).size() == 1) {
        selection = ((IStructuredSelection) sels).getFirstElement();

        //create edit action for all xmawidget that may have Formdata
        if (selection instanceof XMAWidget && !(selection instanceof HiddenWidget)
                && !(selection instanceof PageComposite)
                && !(selection instanceof IGeneratable && ((IGeneratable) selection).isYnGenerated())) {
            actions.add(new EditFormDataAction("FormData", (XMAWidget) selection, activeEditorPart));
        }
        //create edit action for xmacomponent that may have xma properties
        if (selection instanceof XMAComponent) {
            actions.add(new EditComponentPropertyAction("Component Property", (XMAComponent) selection,
                    activeEditorPart));
        }
        //only showable xmawidget may have validator
        if (selection instanceof IFormaterAttachable
                && !(selection instanceof IGeneratable && ((IGeneratable) selection).isYnGenerated())) {
            actions.add(
                    new EditValidatorAction("Validator", (IFormaterAttachable) selection, activeEditorPart));
        }
        //only showable xmawidget is a table with more than 1 columns
        if (selection instanceof XMATable && ((XMATable) selection).getColumn().size() > 0
                && !(selection instanceof IGeneratable && ((IGeneratable) selection).isYnGenerated())) {
            actions.add(new EditCalculateTablelayoutAction("Calculate Layout", (XMATable) selection,
                    activeEditorPart));
        }
    } else {
        // we have more than one selection
        ArrayList selWids = new ArrayList();
        for (Iterator it = sels.iterator(); it.hasNext();) {
            Object selObj = it.next();
            if (selObj instanceof XMAWidget && !(selObj instanceof HiddenWidget)
                    && !(selObj instanceof PageComposite)) {
                selWids.add(selObj);
            }
        }
        if (selWids.size() > 1) {
            actions.add(new MultiEditFormDataAction("FormData (multi selection)", selWids, activeEditorPart));
        }

    }

    return actions;
}

---

From source file:at.spardat.xma.guidesign.presentation.NewComponentWizard.java

License:Open Source License

public static IResource getSelectedResource(IStructuredSelection selection) {
    // Try and get the resource selection to determine a current directory for the file dialog.
    IResource selectedResource = null;/*from  ww  w  .  jav a 2  s  . c o  m*/
    if (selection != null && !selection.isEmpty()) {
        // Get the resource...
        //
        Object selectedElement = selection.iterator().next();
        if (selectedElement instanceof IResource) {
            // Get the resource parent, if its a file.
            //
            selectedResource = (IResource) selectedElement;
            if (selectedResource.getType() == IResource.FILE) {
                selectedResource = selectedResource.getParent();
            }
        }
    }
    return selectedResource;
}

---

From source file:au.gov.ga.earthsci.application.handlers.ShowViewDialog.java

License:Apache License

@Override
protected Control createDialogArea(Composite parent) {
    Composite composite = (Composite) super.createDialogArea(parent);
    composite.setLayout(new FillLayout());

    TableViewer viewer = new TableViewer(composite, SWT.NONE);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new PartLabelProvider());

    //TODO this part collection is simply a list of parts that have been shown before
    //need to improve this collection so that it removes duplicates, and also contains
    //parts that are registered but have never been displayed
    viewer.setInput(application.getDescriptors());

    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override/*from  w w  w.j a va  2  s.  c om*/
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            selection = new MPartDescriptor[s.size()];
            Iterator<?> iterator = s.iterator();
            for (int i = 0; iterator.hasNext(); i++) {
                MPartDescriptor part = (MPartDescriptor) iterator.next();
                selection[i++] = part;
            }
        }
    });

    return composite;
}

---

From source file:au.gov.ga.earthsci.application.parts.layer.LayerTreeDragSourceListener.java

License:Apache License

@Override
public void dragFinished(DragSourceEvent event) {
    if (!event.doit)
        return;//from   w  w w . j av a2 s. c  o  m
    //if the gadget was moved, remove it from the source viewer
    if (event.detail == DND.DROP_MOVE) {
        IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
        for (Iterator<?> it = selection.iterator(); it.hasNext();) {
            ILayerTreeNode node = (ILayerTreeNode) it.next();
            node.removeFromParent();
        }
        viewer.refresh();
    }
}

---

From source file:au.gov.ga.earthsci.layer.ui.LayerTreeDragSourceListener.java

License:Apache License

@Override
public void dragFinished(DragSourceEvent event) {
    if (!event.doit) {
        return;/*from w ww  .  j  av  a  2s. com*/
    }
    //if the gadget was moved, remove it from the source viewer
    if (isMoveEvent(event)) {
        IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
        for (Iterator<?> it = selection.iterator(); it.hasNext();) {
            ILayerTreeNode node = (ILayerTreeNode) it.next();
            node.removeFromParent();
        }
        viewer.refresh();
    }
}

---

From source file:bndtools.editor.components.ComponentListPart.java

License:Open Source License

void createSection(Section section, FormToolkit toolkit) {
    section.setText(Messages.ComponentListPart_listSectionTitle);

    Composite composite = toolkit.createComposite(section);
    section.setClient(composite);// w ww.  j  av a 2 s .com

    table = toolkit.createTable(composite, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);

    viewer = new TableViewer(table);
    viewer.setUseHashlookup(true);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new ServiceComponentLabelProvider());

    final Button btnAdd = toolkit.createButton(composite, Messages.ComponentListPart_addButton, SWT.PUSH);
    final Button btnRemove = toolkit.createButton(composite, Messages.ComponentListPart_RemoveButton, SWT.PUSH);

    toolkit.paintBordersFor(section);

    // Listeners
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            ArrayList<ServiceComponent> selectedComponents = new ArrayList<ServiceComponent>(selection.size());

            @SuppressWarnings("rawtypes")
            Iterator iterator = selection.iterator();
            while (iterator.hasNext()) {
                String name = (String) iterator.next();
                ServiceComponent component = componentMap.get(name);
                if (component != null)
                    selectedComponents.add(component);
            }

            managedForm.fireSelectionChanged(ComponentListPart.this,
                    new StructuredSelection(selectedComponents));
            btnRemove.setEnabled(!selection.isEmpty());
        }
    });
    viewer.addOpenListener(new IOpenListener() {
        public void open(OpenEvent event) {
            String name = (String) ((IStructuredSelection) event.getSelection()).getFirstElement();
            if (name != null) {
                doOpenComponent(name);
            }
        }
    });
    viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { ResourceTransfer.getInstance() },
            new ComponentListDropAdapter(viewer));
    btnAdd.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                doAdd();
            } catch (Exception x) {
                Plugin.logError("Error adding component", x);
            }
        }
    });
    btnRemove.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            doRemove();
        }
    });

    // Layout
    GridData gd;
    section.setLayoutData(new GridData(GridData.FILL_BOTH));
    composite.setLayout(new GridLayout(2, false));
    gd = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 3);
    gd.widthHint = 250;
    table.setLayoutData(gd);
    btnAdd.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
    btnRemove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
}

---

From source file:bndtools.editor.contents.PrivatePackagesPart.java

License:Open Source License

private void doRemovePackages() {
    IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
    if (!selection.isEmpty()) {
        Iterator<?> elements = selection.iterator();
        List<Object> removed = new LinkedList<Object>();
        while (elements.hasNext()) {
            Object pkg = elements.next();
            if (packages.remove(pkg))
                removed.add(pkg);//from   w w  w .j  a v a2 s. com
        }

        if (!removed.isEmpty()) {
            viewer.remove(removed.toArray());
            markDirty();
        }
    }
}

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