Example usage for com.vaadin.server KeyMapper key

Introduction

In this page you can find the example usage for com.vaadin.server KeyMapper key.

Prototype

@Override
public String key(V o) 

Source Link

Document

Gets key for an object.

Usage

From source file:com.haulmont.cuba.web.widgets.addons.dragdroplayouts.DDUtil.java

License:Apache License

public static void onBeforeClientResponse(HasComponents layout, DragAndDropAwareState state) {
    DDLayoutState dragAndDropState = state.getDragAndDropState();
    Iterator<Component> componentIterator = layout.iterator();

    dragAndDropState.draggable = new ArrayList<>();
    dragAndDropState.referenceImageComponents = new HashMap<>();
    dragAndDropState.nonGrabbable = new ArrayList<>();
    dragAndDropState.dragCaptions = new HashMap<>();

    if (layout instanceof AbstractClientConnector) {
        for (DragCaptionInfo dci : dragAndDropState.dragCaptions.values()) {
            if (dci.iconKey != null) {
                ((AbstractClientConnector) layout).setConnectorResource(dci.iconKey, null);
            }//ww  w . j av  a 2 s.  c  o m
        }
    }

    KeyMapper<Resource> keyMapper = new KeyMapper<>();

    while (componentIterator.hasNext()) {
        Component c = componentIterator.next();

        if (layout instanceof DragFilterSupport
                && ((DragFilterSupport) layout).getDragFilter().isDraggable(c)) {
            dragAndDropState.draggable.add(c);
        }

        if (layout instanceof DragGrabFilterSupport) {
            DragGrabFilter dragGrabFilter = ((DragGrabFilterSupport) layout).getDragGrabFilter();
            if (dragGrabFilter != null) {
                addNonGrabbedComponents(dragAndDropState.nonGrabbable, c, dragGrabFilter);
            }
        }

        if (layout instanceof HasDragCaptionProvider) {
            DragCaptionProvider dragCaptionProvider = ((HasDragCaptionProvider) layout)
                    .getDragCaptionProvider();

            if (dragCaptionProvider != null) {
                DragCaption dragCaption = dragCaptionProvider.getDragCaption(c);

                if (dragCaption != null) {
                    String dragIconKey = null;
                    if (dragCaption.getIcon() != null && layout instanceof AbstractClientConnector) {
                        dragIconKey = keyMapper.key(dragCaption.getIcon());
                        ((AbstractClientConnector) layout).setConnectorResource(dragIconKey,
                                dragCaption.getIcon());
                    }

                    DragCaptionInfo dci = new DragCaptionInfo();
                    dci.caption = dragCaption.getCaption();
                    dci.contentMode = dragCaption.getContentMode();
                    dci.iconKey = dragIconKey;

                    dragAndDropState.dragCaptions.put(c, dci);
                }
            }
        }

        if (layout instanceof DragImageReferenceSupport) {
            DragImageProvider provider = ((DragImageReferenceSupport) layout).getDragImageProvider();
            if (provider != null) {
                Component dragImage = provider.getDragImage(c);
                if (dragImage != null) {
                    dragAndDropState.referenceImageComponents.put(c, dragImage);
                }
            }
        }
    }
}

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