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

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection toList.

Prototype

public List toList();

Source Link

Document

Returns the elements in this selection as a List.

Usage

From source file:eu.geclipse.workflow.ui.listeners.JSDLTransferDropTargetListener.java

License:Open Source License

protected List<JSDLJobDescription> getObjectsBeingDropped() {
    List<JSDLJobDescription> result = new ArrayList<JSDLJobDescription>();
    if (getTransfer() instanceof LocalSelectionTransfer) {
        LocalSelectionTransfer transfer = (LocalSelectionTransfer) getTransfer();
        IStructuredSelection selection = (IStructuredSelection) transfer.getSelection();
        List<?> objects = selection.toList();
        for (Object o : objects) {
            if (o instanceof JSDLJobDescription) {
                result.add((JSDLJobDescription) o);
            }//w w w.ja va2  s.  c o m
        }
    }
    return result;
}

From source file:eu.ml82.bpmn_layouter.camunda_modeler.LayoutHandler.java

License:Open Source License

/**
 * {@inheritDoc}//from   w  w  w.  j a  v a 2s. c om
 */
public Object execute(final ExecutionEvent event) throws ExecutionException {
    ISelection selection = null;

    // check parameter for layout scope, default is diagram scope
    String layoutScope = event.getParameter(PARAM_LAYOUT_SCOPE);
    if (layoutScope != null && layoutScope.equals(VAL_SELECTION)) {
        selection = HandlerUtil.getCurrentSelection(event);
    }

    // fetch general settings from preferences
    boolean animation = true;
    boolean zoomToFit = true;
    boolean progressDialog = false;

    // get the active editor, which is expected to contain the diagram for applying layout
    IEditorPart editorPart = HandlerUtil.getActiveEditor(event);
    if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
        // perform layout with the given selection (only the first element is considered)
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        Object diagramPart;
        if (structuredSelection.size() == 1) {
            diagramPart = structuredSelection.getFirstElement();
        } else {
            diagramPart = structuredSelection.toList();
        }
        DiagramLayoutEngine.INSTANCE.layout(editorPart, diagramPart, animation, progressDialog, false,
                zoomToFit);
    } else {
        // perform layout on the whole diagram
        DiagramLayoutEngine.INSTANCE.layout(editorPart, null, animation, progressDialog, false, zoomToFit);
    }
    return null;
}

From source file:eu.numberfour.n4js.ui.organize.imports.N4JSOrganizeImportsHandler.java

License:Open Source License

private Multimap<IProject, IFile> collectFiles(IStructuredSelection structuredSelection) {
    Multimap<IProject, IFile> result = HashMultimap.create();
    for (Object object : structuredSelection.toList()) {
        collectRelevantFiles(object, result);
    }/*  w  w w .j av a 2 s. c  o m*/
    return result;
}

From source file:eu.numberfour.n4js.ui.workingsets.internal.N4JSNewWizardsActionGroup.java

License:Open Source License

private boolean canEnable(final IStructuredSelection sel) {
    if (sel.size() == 0) {
        return true;
    }/*  www. jav a2  s .com*/

    final List<?> list = sel.toList();
    for (final Iterator<?> iterator = list.iterator(); iterator.hasNext(); /**/) {
        if (!isNewTarget(iterator.next())) {
            return false;
        }
    }

    return true;
}

From source file:eu.scasefp7.eclipse.core.ui.views.Dashboard.java

License:Apache License

private void updateSelection(ISelection selection) {
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection sel = (IStructuredSelection) selection;

        if (sel.getFirstElement() instanceof IResource) {
            @SuppressWarnings("unchecked")
            IProject project = getProjectOfSelectionList(sel.toList());
            if (project != null) {
                Activator.TRACE.trace("/dashboard/selectedProjectChanged",
                        "Selected project: " + project.getName());
                this.currentProject = project;
            }//from   w w w.  ja v a2s  .  com
        }
    }
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.GenerateConstructorUsingFieldsSelectionDialog.java

License:Open Source License

List<?> getElementList() {
    IStructuredSelection selection = (IStructuredSelection) getTreeViewer().getSelection();
    List<?> elements = selection.toList();
    ArrayList<Object> elementList = new ArrayList<Object>();

    for (int i = 0; i < elements.size(); i++) {
        elementList.add(elements.get(i));
    }/*ww  w . j  a  v a  2s  .  co m*/
    return elementList;
}

From source file:ext.org.eclipse.jdt.internal.ui.actions.NewWizardsActionGroup.java

License:Open Source License

private boolean canEnable(IStructuredSelection sel) {
    if (sel.size() == 0)
        return true;

    List<?> list = sel.toList();
    for (Iterator<?> iterator = list.iterator(); iterator.hasNext();) {
        if (!isNewTarget(iterator.next()))
            return false;
    }//w  w  w  .j  a  v  a  2  s  . com

    return true;
}

From source file:ext.org.eclipse.jdt.internal.ui.callhierarchy.OpenCallHierarchyAction.java

License:Open Source License

@Override
public void run(IStructuredSelection selection) {
    List<?> elements = selection.toList();
    if (!CallHierarchy.arePossibleInputElements(elements)) {
        elements = Collections.EMPTY_LIST;
    }/* ww  w .  j av  a  2s  .  c  o m*/

    IMember[] members = elements.toArray(new IMember[elements.size()]);
    if (!ActionUtil.areProcessable(getShell(), members))
        return;

    CallHierarchyUI.openView(members, getSite().getWorkbenchWindow());
}

From source file:ext.org.eclipse.jdt.internal.ui.dialogs.GenerateToStringDialog.java

License:Open Source License

@Override
protected CheckboxTreeViewer createTreeViewer(Composite parent) {
    CheckboxTreeViewer treeViewer = super.createTreeViewer(parent);

    treeViewer.setLabelProvider(new GenerateToStringLabelProvider());

    //expandAll because setSubtreeChecked() used in CheckStateListener below assumes that elements have been expanded
    treeViewer.expandAll();/*from w w  w .ja  v a2  s  .  com*/
    //but actually we only need one branch expanded
    treeViewer.collapseAll();
    treeViewer.expandToLevel(GenerateToStringContentProvider.fieldsNode, 1);

    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) getTreeViewer().getSelection();

            Object selected = selection.size() > 0 ? selection.toList().get(0) : null;
            GenerateToStringContentProvider cp = (GenerateToStringContentProvider) getContentProvider();

            fButtonControls[UP_INDEX].setEnabled(cp.canMoveUp(selected));
            fButtonControls[DOWN_INDEX].setEnabled(cp.canMoveDown(selected));
        }

    });
    treeViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            getTreeViewer().setSubtreeChecked(event.getElement(), event.getChecked());
            getTreeViewer().setGrayed(event.getElement(), false);
            Object parentElement = ((ITreeContentProvider) (getTreeViewer().getContentProvider()))
                    .getParent(event.getElement());
            if (parentElement != null) {
                Object[] siblings = ((ITreeContentProvider) (getTreeViewer().getContentProvider()))
                        .getChildren(parentElement);
                int count = 0;
                for (int i = 0; i < siblings.length; i++) {
                    if (getTreeViewer().getChecked(siblings[i]))
                        count++;
                }
                if (count == 0)
                    getTreeViewer().setGrayChecked(parentElement, false);
                else if (count == siblings.length) {
                    getTreeViewer().setChecked(parentElement, true);
                    getTreeViewer().setGrayed(parentElement, false);
                } else
                    getTreeViewer().setGrayChecked(parentElement, true);
            }
            updateOKStatus();
        }

    });
    return treeViewer;
}

From source file:ext.org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage.java

License:Open Source License

public void select(ISourceReference reference) {
    if (fOutlineViewer != null) {

        ISelection s = fOutlineViewer.getSelection();
        if (s instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) s;
            List<?> elements = ss.toList();
            if (!elements.contains(reference)) {
                s = (reference == null ? StructuredSelection.EMPTY : new StructuredSelection(reference));
                fOutlineViewer.setSelection(s, true);
            }/*from   w ww .  j  av a 2s  . c  o m*/
        }
    }
}