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:com.google.dart.tools.ui.callhierarchy.LocationCopyAction.java

License:Open Source License

@Override
public void run() {
    IStructuredSelection selection = (IStructuredSelection) locationViewer.getSelection();
    StringBuffer buf = new StringBuffer();
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        CallLocation location = (CallLocation) iterator.next();
        buf.append(location.getLineNumber()).append('\t').append(location.getCallText());
        buf.append('\n');
    }//  w ww.  j ava2s. c om
    TextTransfer plainTextTransfer = TextTransfer.getInstance();
    try {
        clipboard.setContents(new String[] { CopyCallHierarchyAction.convertLineTerminators(buf.toString()) },
                new Transfer[] { plainTextTransfer });
    } catch (SWTError e) {
        if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
            throw e;
        }
        if (MessageDialog.openQuestion(viewSite.getShell(),
                CallHierarchyMessages.CopyCallHierarchyAction_problem,
                CallHierarchyMessages.CopyCallHierarchyAction_clipboard_busy)) {
            run();
        }
    }
}

From source file:com.google.dart.tools.ui.callhierarchy.OpenLocationAction.java

License:Open Source License

@Override
public void run(IStructuredSelection selection) {
    if (!checkEnabled(selection)) {
        return;/* w  w w.  j  ava2 s.c om*/
    }

    for (Iterator<?> iter = selection.iterator(); iter.hasNext();) {
        boolean noError = CallHierarchyUI.openInEditor(iter.next(), getShell(), OpenStrategy.activateOnOpen());
        if (!noError) {
            return;
        }
    }
}

From source file:com.google.dart.tools.ui.callhierarchy.OpenLocationAction.java

License:Open Source License

private boolean checkEnabled(IStructuredSelection selection) {
    if (selection.isEmpty()) {
        return false;
    }//from   w w  w  .j a v  a  2s.  c o  m

    for (Iterator<?> iter = selection.iterator(); iter.hasNext();) {
        Object element = iter.next();

        if (element instanceof MethodWrapper) {
            continue;
        } else if (element instanceof CallLocation) {
            continue;
        }

        return false;
    }

    return true;
}

From source file:com.google.dart.tools.ui.callhierarchy.RefreshElementAction.java

License:Open Source License

@Override
public void run() {
    IStructuredSelection selection = (IStructuredSelection) getSelection();
    if (selection.isEmpty()) {
        viewer.getPart().refresh();/*  w  w  w .  jav a 2 s. c  o m*/
        return;
    }
    List<MethodWrapper> toExpand = new ArrayList<MethodWrapper>();
    for (Iterator<?> iter = selection.iterator(); iter.hasNext();) {
        MethodWrapper element = (MethodWrapper) iter.next();
        boolean isExpanded = viewer.getExpandedState(element);
        element.removeFromCache();
        if (isExpanded) {
            viewer.setExpandedState(element, false);
            toExpand.add(element);
        }
        viewer.refresh(element);
    }
    for (Iterator<MethodWrapper> iter = toExpand.iterator(); iter.hasNext();) {
        MethodWrapper elem = iter.next();
        viewer.setExpandedState(elem, true);
    }
}

From source file:com.google.dart.tools.ui.callhierarchy.RemoveFromViewAction.java

License:Open Source License

/**
 * Checks whether this action can be added for the selected element in the call hierarchy.
 * /*from   www. java  2  s.  c o  m*/
 * @return <code> true</code> if the action can be added, <code>false</code> otherwise
 */
protected boolean canActionBeAdded() {
    IStructuredSelection selection = (IStructuredSelection) getSelection();
    if (selection.isEmpty()) {
        return false;
    }

    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object element = iter.next();
        if (!(element instanceof MethodWrapper)) {
            return false;
        }
    }

    TreeItem[] items = callHierarchyViewer.getTree().getSelection();
    for (int k = 0; k < items.length; k++) {
        if (!checkForChildren(items[k])) {
            return false;
        }
    }
    return true;
}

From source file:com.google.dart.tools.ui.internal.actions.SelectionConverter.java

License:Open Source License

/**
 * Converts the given structured selection into an array of Java elements. An empty array is
 * returned if one of the elements stored in the structured selection is not of type
 * <code>DartElement</code>/*from  w  w w  .j a v  a2s.c  o  m*/
 */
public static DartElement[] getElements(IStructuredSelection selection) {
    if (!selection.isEmpty()) {
        DartElement[] result = new DartElement[selection.size()];
        int i = 0;
        for (Iterator<?> iter = selection.iterator(); iter.hasNext(); i++) {
            Object element = iter.next();
            if (!(element instanceof DartElement)) {
                return EMPTY_RESULT;
            }
            result[i] = (DartElement) element;
        }
        return result;
    }
    return EMPTY_RESULT;
}

From source file:com.google.dart.tools.ui.internal.filesview.FilesView.java

License:Open Source License

private static boolean allElementsAreProjects(IStructuredSelection selection) {
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        Object selectedElement = iterator.next();
        if (!(selectedElement instanceof IProject)) {
            return false;
        }/*w w w . ja  v a 2  s.c o m*/
    }
    return true;
}

From source file:com.google.dart.tools.ui.internal.filesview.FilesView.java

License:Open Source License

private static boolean allElementsAreResources(IStructuredSelection selection) {
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        Object selectedElement = iterator.next();
        if (!(selectedElement instanceof IResource)) {
            return false;
        }/*from  w  ww .j  av  a 2s.  co  m*/
    }
    return true;
}

From source file:com.google.gwt.eclipse.core.clientbundle.ui.AddResourcesToClientBundleAction.java

License:Open Source License

public void selectionChanged(IAction action, ISelection selection) {
    // Reset our old initial selections
    project = null;/* w w  w  .  j  a v a 2s . com*/
    clientBundleType = null;
    List<IFile> selectedFiles = new ArrayList<IFile>();

    if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        Iterator<?> iter = structuredSelection.iterator();
        while (iter.hasNext()) {
            Object element = iter.next();

            IFile file = AdapterUtilities.getAdapter(element, IFile.class);
            if (file != null) {
                // Set initial project if it's not already set
                if (project == null) {
                    project = file.getProject();
                }

                // Try to set the initial ClientBundle type if it's not already set
                if (clientBundleType == null) {
                    clientBundleType = findFirstTopLevelClientBundleType(file);
                    if (clientBundleType != null) {
                        // Ensure that initial project is the one containing the initial
                        // ClientBundle type
                        project = clientBundleType.getJavaProject().getProject();
                    }
                }

                // If the file looks like a ClientBundle resource, add it
                if (ClientBundleResource.isProbableClientBundleResource(file)) {
                    selectedFiles.add(file);
                }
            }
        }
    }
    files = selectedFiles.toArray(new IFile[0]);
}

From source file:com.google.gwt.eclipse.core.wizards.NewClientBundleWizardPage.java

License:Open Source License

private void initBundledResources(IJavaProject javaProject, IStructuredSelection selection) {
    List<ClientBundleResource> resources = new ArrayList<ClientBundleResource>();

    Iterator<?> iter = selection.iterator();
    while (iter.hasNext()) {
        Object element = iter.next();

        // Turn each file in the selection into a bundled resource
        IFile file = AdapterUtilities.getAdapter(element, IFile.class);
        if (file != null) {
            ClientBundleResource resource = ClientBundleResource.createFromFile(javaProject, file);
            if (resource != null) {
                resources.add(resource);
            }/*from  ww w  . j  a  va2s. c  o  m*/
        }
    }

    bundledResourcesBlock.setResources(resources);
}