Examples with TargetDetails com.vaadin.event.dd.TargetDetails used on opensource projects

Example 1 with TargetDetails

use of com.vaadin.event.dd.TargetDetails in project cuba by cuba-platform.

the class AbstractDefaultLayoutDropHandler method handleDropFromAbsoluteParentLayout.

/**
 * Handles a drop by a component which has an absolute layout as parent. In
 * this case the component is moved.
 *
 * @param event
 *            The drag and drop event
 */
protected void handleDropFromAbsoluteParentLayout(DragAndDropEvent event) {
    LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
    TargetDetails details = event.getTargetDetails();
    MouseEventDetails mouseDown = transferable.getMouseDownEvent();
    MouseEventDetails mouseUp = MouseEventDetails.deSerialize((String) details.getData(Constants.DROP_DETAIL_MOUSE_EVENT));
    int movex = mouseUp.getClientX() - mouseDown.getClientX();
    int movey = mouseUp.getClientY() - mouseDown.getClientY();
    Component comp = transferable.getComponent();
    DDAbsoluteLayout parent = (DDAbsoluteLayout) comp.getParent();
    ComponentPosition position = parent.getPosition(comp);
    if (position.getLeftValue() != null) {
        float x = position.getLeftValue() + movex;
        position.setLeft(x, Sizeable.UNITS_PIXELS);
    }
    if (position.getRightValue() != null) {
        float x = position.getRightValue() - movex;
        position.setRight(x, Sizeable.UNITS_PIXELS);
    }
    if (position.getTopValue() != null) {
        float y = position.getTopValue() + movey;
        position.setTop(y, Sizeable.UNITS_PIXELS);
    }
    if (position.getBottomValue() != null) {
        float y = position.getBottomValue() - movey;
        position.setBottom(y, Sizeable.UNITS_PIXELS);
    }
}

Example 2 with TargetDetails

use of com.vaadin.event.dd.TargetDetails in project cuba by cuba-platform.

the class AbstractDefaultLayoutDropHandler method drop.

public void drop(DragAndDropEvent event) {
    // Get information about the drop
    TargetDetails details = event.getTargetDetails();
    DropTarget layout = details.getTarget();
    Component source = event.getTransferable().getSourceComponent();
    if (event.getTransferable().getData("html5Data") != null) {
        handleHTML5Drop(event);
    } else if (layout == source) {
        handleComponentReordering(event);
    } else if (event.getTransferable() instanceof LayoutBoundTransferable) {
        LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
        Component comp = transferable.getComponent();
        if (comp == layout) {
            if (comp.getParent() instanceof DDAbsoluteLayout) {
                handleDropFromAbsoluteParentLayout(event);
            }
        } else {
            handleDropFromLayout(event);
        }
    }
}