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

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers StructuredSelection iterator.

Prototype

@Override
    public Iterator iterator() 

Source Link

Usage

From source file:org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers.EnableEventOnSessionHandler.java

License:Open Source License

@Override
public boolean isEnabled() {
    // Get workbench page for the Control View
    IWorkbenchPage page = getWorkbenchPage();
    if (page == null) {
        return false;
    }/*w ww  .  j a  v  a 2s. c  om*/

    TraceSessionComponent session = null;
    // Check if one session is selected
    ISelection selection = page.getSelection(ControlView.ID);
    if (selection instanceof StructuredSelection) {
        StructuredSelection structered = ((StructuredSelection) selection);
        for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
            Object element = iterator.next();
            if (element instanceof TraceSessionComponent) {
                // Add only if corresponding TraceSessionComponents is inactive and not destroyed
                TraceSessionComponent tmpSession = (TraceSessionComponent) element;
                if (tmpSession.getSessionState() == TraceSessionState.INACTIVE && !tmpSession.isDestroyed()) {
                    session = tmpSession;
                }
            }
        }
    }
    boolean isEnabled = (session != null);
    fLock.lock();
    try {
        fParam = null;
        if (isEnabled) {
            fParam = new CommandParameter(session);
        }
    } finally {
        fLock.unlock();
    }
    return isEnabled;
}

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From source file:org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers.ImportHandler.java

License:Open Source License

@Override
public boolean isEnabled() {
    // Get workbench page for the Control View
    IWorkbenchPage page = getWorkbenchPage();
    if (page == null) {
        return false;
    }/*from   ww  w .  j  a  v  a  2 s  .c o  m*/

    // Check if one or more session are selected
    ISelection selection = page.getSelection(ControlView.ID);
    TraceSessionComponent session = null;
    if (selection instanceof StructuredSelection) {
        StructuredSelection structered = ((StructuredSelection) selection);
        for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
            Object element = iterator.next();
            if (element instanceof TraceSessionComponent) {
                // Add only TraceSessionComponents that are inactive and not
                // destroyed
                TraceSessionComponent tmpSession = (TraceSessionComponent) element;
                if ((tmpSession.isSnapshotSession() || tmpSession.isLiveTrace()
                        || (tmpSession.getSessionState() == TraceSessionState.INACTIVE))
                        && (!tmpSession.isDestroyed())) {
                    session = tmpSession;
                }
            }
        }
    }
    boolean isEnabled = session != null;

    fLock.lock();
    try {
        fParam = null;
        if (isEnabled) {
            fParam = new CommandParameter(session);
        }
    } finally {
        fLock.unlock();
    }
    return isEnabled;
}

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From source file:org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers.RefreshHandler.java

License:Open Source License

@Override
public boolean isEnabled() {

    // Get workbench page for the Control View
    IWorkbenchPage page = getWorkbenchPage();
    if (page == null) {
        return false;
    }//from w  ww  .  ja v  a2s . c om

    TargetNodeComponent node = null;
    // Check if one or more session are selected
    ISelection selection = page.getSelection(ControlView.ID);
    if (selection instanceof StructuredSelection) {

        StructuredSelection structered = ((StructuredSelection) selection);
        for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
            Object element = iterator.next();
            if (element instanceof TraceControlComponent) {
                TraceControlComponent component = (TraceControlComponent) element;
                boolean isConnected = component.getTargetNodeState() == TargetNodeState.CONNECTED;
                if (isConnected) {
                    while ((component != null) && component.getClass() != TargetNodeComponent.class) {
                        component = (TraceControlComponent) component.getParent();
                    }
                    if (component != null) {
                        node = (TargetNodeComponent) component;
                    }
                }
            }
        }
    }

    boolean isEnabled = node != null;

    fLock.lock();
    try {
        fNode = null;
        if (isEnabled) {
            fNode = node;
        }
    } finally {
        fLock.unlock();
    }

    return isEnabled;
}

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From source file:org.eclipse.linuxtools.internal.lttng2.control.ui.views.handlers.SnaphshotHandler.java

License:Open Source License

@Override
public boolean isEnabled() {
    // Get workbench page for the Control View
    IWorkbenchPage page = getWorkbenchPage();
    if (page == null) {
        return false;
    }/*from   w w w.j a  v a2  s .  c  o m*/

    List<TraceSessionComponent> sessions = new ArrayList<>(0);

    // Check if one session is selected
    ISelection selection = page.getSelection(ControlView.ID);
    if (selection instanceof StructuredSelection) {
        StructuredSelection structered = ((StructuredSelection) selection);
        for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
            Object element = iterator.next();
            if (element instanceof TraceSessionComponent) {
                // Add only if corresponding TraceSessionComponent is an active snapshot session and not destroyed
                TraceSessionComponent session = (TraceSessionComponent) element;
                if (session.isSnapshotSession() && session.getSessionState() == TraceSessionState.ACTIVE
                        && !session.isDestroyed()) {
                    sessions.add(session);
                }
            }
        }
    }
    boolean isEnabled = !sessions.isEmpty();
    fLock.lock();
    try {
        fSessions = null;
        if (isEnabled) {
            fSessions = sessions;
        }
    } finally {
        fLock.unlock();
    }
    return isEnabled;
}

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From source file:org.eclipse.linuxtools.rpmstubby.popup.actions.StubifyPomAction.java

License:Open Source License

@Override
public void run(IAction action) {
    IFile pomFile = null;//from  ww w.java  2  s .c o m
    StructuredSelection structuredSelection = (StructuredSelection) selection;
    for (Iterator<?> selectionIter = structuredSelection.iterator(); selectionIter.hasNext();) {
        Object selected = selectionIter.next();
        if (selected instanceof IFile) {
            pomFile = (IFile) selected;
        } else {
            // FIXME: error
        }
    }
    SpecfilePomWriter specfileWriter = new SpecfilePomWriter();
    specfileWriter.write(pomFile);
}

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From source file:org.eclipse.mdht.uml.ui.properties.internal.sections.UMLAdvancedSection.java

License:Open Source License

@Override
public void setInput(IWorkbenchPart part, ISelection selection) {
    if (selection.isEmpty() || false == selection instanceof StructuredSelection) {
        super.setInput(part, selection);
        return;//from  ww w. ja v a2 s. c o m
    }

    final StructuredSelection structuredSelection = (StructuredSelection) Selections
            .unwrap((StructuredSelection) selection);
    inputIsWrapper = structuredSelection != selection;

    ArrayList<Object> transformedSelection = new ArrayList<Object>(structuredSelection.size());
    for (Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
        Object r = transformSelection(it.next());
        if (r != null) {
            transformedSelection.add(r);
        }
    }
    super.setInput(part, new StructuredSelection(transformedSelection));
}

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From source file:org.eclipse.mylyn.internal.cdt.ui.CDTEditorMonitor.java

License:Open Source License

/**
 * Only public for testing/*ww  w.  ja va  2s . c o m*/
 */
@Override
public void handleWorkbenchPartSelection(IWorkbenchPart part, ISelection selection,
        boolean contributeToContext) {
    try {
        ICElement selectedElement = null;
        if (selection instanceof StructuredSelection) {
            StructuredSelection structuredSelection = (StructuredSelection) selection;

            if (structuredSelection.equals(currentSelection)) {
                return;
            }
            currentSelection = structuredSelection;

            // Object selectedObject =
            // structuredSelection.getFirstElement();
            for (Iterator<?> iterator = structuredSelection.iterator(); iterator.hasNext();) {
                Object selectedObject = iterator.next();
                if (selectedObject instanceof ICElement) {
                    ICElement checkedElement = checkIfAcceptedAndPromoteIfNecessary((ICElement) selectedObject);
                    if (checkedElement == null) {
                        return;
                    } else {
                        selectedElement = checkedElement;
                    }
                }
                if (selectedElement != null) {
                    super.handleElementSelection(part, selectedElement, contributeToContext);
                }
            }
        } else {
            if (part instanceof CEditor) {
                currentEditor = (CEditor) part;
                selectedElement = SelectionConverter.getElementAtOffset(currentEditor);
                if (selectedElement == null) {
                    return; // nothing selected
                }

                if (selectedElement != null) {
                    if (selectedElement.equals(lastSelectedElement)) {
                        super.handleElementEdit(part, selectedElement, contributeToContext);
                    } else if (!selectedElement.equals(lastSelectedElement)) {
                        super.handleElementSelection(part, selectedElement, contributeToContext);
                    }
                }

                ICElement checkedElement = checkIfAcceptedAndPromoteIfNecessary(selectedElement);
                if (checkedElement == null) {
                    return;
                } else {
                    selectedElement = checkedElement;
                }
            }
        }
        if (selectedElement != null) {
            lastSelectedElement = selectedElement;
        }
    } catch (CModelException e) {
        // ignore, fine to fail to resolve an element if the model is not
        // up-to-date
    }
}

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From source file:org.eclipse.mylyn.internal.java.ui.JavaEditingMonitor.java

License:Open Source License

/**
 * Only public for testing. Note: Two sequential selections on the same element are deemed to be an edit of the
 * selection as this is the best guess that can be made. See bug 252306.
 *//*  www .  j  ava  2  s  .co  m*/
@Override
public void handleWorkbenchPartSelection(IWorkbenchPart part, ISelection selection,
        boolean contributeToContext) {
    try {
        IJavaElement selectedElement = null;
        if (selection instanceof StructuredSelection) {
            StructuredSelection structuredSelection = (StructuredSelection) selection;

            if (structuredSelection.equals(currentSelection)) {
                return;
            }
            currentSelection = structuredSelection;

            for (Iterator<?> iterator = structuredSelection.iterator(); iterator.hasNext();) {
                Object selectedObject = iterator.next();
                if (selectedObject instanceof IJavaElement) {
                    IJavaElement checkedElement = checkIfAcceptedAndPromoteIfNecessary(
                            (IJavaElement) selectedObject);
                    if (checkedElement == null) {
                        return;
                    } else {
                        selectedElement = checkedElement;
                    }
                }
                if (selectedElement != null) {
                    super.handleElementSelection(part, selectedElement, contributeToContext);
                }
            }
        } else {
            if (selection instanceof TextSelection && part instanceof JavaEditor) {
                currentEditor = (JavaEditor) part;
                TextSelection textSelection = (TextSelection) selection;
                selectedElement = SelectionConverter.resolveEnclosingElement(currentEditor, textSelection);
                if (selectedElement instanceof IPackageDeclaration) {
                    // HACK: ignoring these selections
                    return;
                }
                IJavaElement[] resolved = SelectionConverter.codeResolve(currentEditor);
                if (resolved != null && resolved.length == 1 && !resolved[0].equals(selectedElement)) {
                    lastResolvedElement = resolved[0];
                }

                boolean selectionResolved = false;
                if (selectedElement instanceof IMethod && lastSelectedElement instanceof IMethod) {
                    // navigation between two elements
                    if (lastResolvedElement != null && lastSelectedElement != null
                            && lastResolvedElement.equals(selectedElement)
                            && !lastSelectedElement.equals(lastResolvedElement)) {
                        super.handleNavigation(part, selectedElement, JavaReferencesProvider.ID,
                                contributeToContext);
                        selectionResolved = true;
                    } else if (lastSelectedElement != null && lastSelectedElement.equals(lastResolvedElement)
                            && !lastSelectedElement.equals(selectedElement)) {
                        super.handleNavigation(part, selectedElement, JavaReferencesProvider.ID,
                                contributeToContext);
                        selectionResolved = true;
                    }
                } else if (selectedElement != null && lastSelectedElement != null
                        && !lastSelectedElement.equals(selectedElement)) {
                    if (lastSelectedElement.getElementName().equals(selectedElement.getElementName())) {
                        // navigation between two elements
                        if (selectedElement instanceof IMethod && lastSelectedElement instanceof IMethod) {
                            super.handleNavigation(part, selectedElement, JavaImplementorsProvider.ID,
                                    contributeToContext);
                            selectionResolved = true;
                        } else if (selectedElement instanceof IType && lastSelectedElement instanceof IType) {
                            super.handleNavigation(part, selectedElement, JavaImplementorsProvider.ID,
                                    contributeToContext);
                            selectionResolved = true;
                        }
                    }
                }
                if (selectedElement != null) {
                    // selection of an element
                    if (!selectionResolved && selectedElement.equals(lastSelectedElement)) {
                        super.handleElementEdit(part, selectedElement, contributeToContext);
                    } else if (!selectedElement.equals(lastSelectedElement)) {
                        super.handleElementSelection(part, selectedElement, contributeToContext);
                    }
                }

                IJavaElement checkedElement = checkIfAcceptedAndPromoteIfNecessary(selectedElement);
                if (checkedElement == null) {
                    return;
                } else {
                    selectedElement = checkedElement;
                }
            }
        }
        if (selectedElement != null) {
            lastSelectedElement = selectedElement;
        }
    } catch (JavaModelException e) {
        // ignore, fine to fail to resolve an element if the model is not up-to-date
    } catch (Throwable t) {
        StatusHandler.log(new Status(IStatus.ERROR, JavaUiBridgePlugin.ID_PLUGIN,
                "Failed to update model based on selection", t)); //$NON-NLS-1$
    }
}

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From source file:org.eclipse.mylyn.internal.resources.ui.ResourceInteractionMonitor.java

License:Open Source License

@Override
protected void handleWorkbenchPartSelection(IWorkbenchPart part, ISelection selection,
        boolean contributeToContext) {
    // ignore events from the synchronize view to avoid files jumping between change sets when selected
    if (ID_SYNCHRONIZE_VIEW.equals(part.getSite().getId())) {
        return;/* www  . j  av  a 2s . c  om*/
    }
    if (selection instanceof StructuredSelection) {
        StructuredSelection structuredSelection = (StructuredSelection) selection;

        //         Object selectedObject = structuredSelection.getFirstElement();
        for (Iterator<?> iterator = structuredSelection.iterator(); iterator.hasNext();) {
            Object selectedObject = iterator.next();
            IResource resource;
            if (selectedObject instanceof IResource) {
                resource = (IResource) selectedObject;
                super.handleElementSelection(part, resource, contributeToContext);
            }

        }
    } else if (selection instanceof TextSelection) {
        if (part instanceof EditorPart) {
            try {
                Object object = ((EditorPart) part).getEditorInput().getAdapter(IResource.class);
                if (object instanceof IFile) {
                    IFile file = (IFile) object;
                    if (file.getFileExtension() != null
                            && !ContextCore.getContentTypes().contains(file.getFileExtension())) {
                        super.handleElementEdit(part, object, contributeToContext);
                    }
                }
            } catch (Throwable t) {
                StatusHandler.log(new Status(IStatus.ERROR, ResourcesUiBridgePlugin.ID_PLUGIN,
                        "Failed to resolve resource edit", t)); //$NON-NLS-1$
            }
        }
    }
}

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From source file:org.eclipse.mylyn.internal.tasks.ui.search.RepositorySearchResultView.java

License:Open Source License

private void moveToCategory(AbstractTaskCategory category) {
    StructuredSelection selection = (StructuredSelection) this.getViewer().getSelection();
    for (Iterator<?> iterator = selection.iterator(); iterator.hasNext();) {
        Object selectedObject = iterator.next();
        if (selectedObject instanceof ITask) {
            ITask task = (ITask) selectedObject;
            TasksUiInternal.getTaskList().addTask(task, category);
        }/*w w  w. j a  v a2 s  .  c  o m*/
    }
}

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