Example usage for com.vaadin.event.dd TargetDetails getData

Introduction

In this page you can find the example usage for com.vaadin.event.dd TargetDetails getData.

Prototype

public Object getData(String key);

Source Link

Document

Gets target data associated with the given string key.

Usage

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

License:Apache License

/**
 * Handles a drop by a component which has an absolute layout as parent. In
 * this case the component is moved.//w ww  .j  a v  a 2s  .  co m
 * 
 * @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);
    }
}

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From source file:org.lucidj.browser.AbstractCell.java

License:Apache License

@Override // DropHandler
public void drop(DragAndDropEvent dragAndDropEvent) {
    log.info("**** DROP! {}", dragAndDropEvent);

    final Transferable transferable = dragAndDropEvent.getTransferable();
    final Component sourceComponent = transferable.getSourceComponent();

    log.info("sourceComponent = {}", sourceComponent);

    final TargetDetails dropTargetData = dragAndDropEvent.getTargetDetails();
    final DropTarget target = dropTargetData.getTarget();

    log.info("DROP: source={} target={}", sourceComponent, target);

    String pos = (String) dropTargetData.getData("verticalLocation");
    String canonical_name = sourceComponent.getId();
    Object source_cell = ((DragAndDropWrapper) sourceComponent).getData();
    Object source_object = (source_cell instanceof AbstractCell)
            ? ((AbstractCell) source_cell).getSourceObject()
            : null;//  w  w  w .jav a 2  s .  c o  m
    Object target_cell = ((DragAndDropWrapper) target).getData();
    Object target_object = (target_cell instanceof AbstractCell)
            ? ((AbstractCell) target_cell).getSourceObject()
            : null;

    log.info("D&D: source=[{}, {}] => target=[{}, {}]", source_cell, source_object, target_cell, target_object);

    if (target_object == null) {
        insertNewObjectBefore(canonical_name, null);
    } else if (pos.equals(VerticalDropLocation.BOTTOM.toString())) {
        if (source_cell instanceof AbstractCell) {
            if (source_object != target_object) {
                log.info("Move AFTER component #{}: {} {}", target_object, source_cell, canonical_name);
                moveObjectAfter(source_object, target_object);
            }
        } else {
            log.info("Drop AFTER component #{}: {} {}", target_object, source_cell, canonical_name);
            insertNewObjectAfter(canonical_name, target_object);
        }
    } else if (pos.equals(VerticalDropLocation.TOP.toString())) {
        if (source_cell instanceof AbstractCell) {
            if (source_object != target_object) {
                log.info("Move BEFORE component #{}: {} {}", target_object, source_cell, canonical_name);
                moveObjectBefore(source_object, target_object);
            }
        } else {
            log.info("Drop BEFORE component #{}: {} {}", target_object, source_cell, canonical_name);
            insertNewObjectBefore(canonical_name, target_object);
        }
    }
}

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From source file:org.peergreen.vaadin.diagram.DiagramDropHandler.java

License:Apache License

@Override
public void drop(final DragAndDropEvent event) {
    TargetDetails targetDetails = event.getTargetDetails();
    Transferable transferable = event.getTransferable();

    MouseEventDetails mouseEventDetails = MouseEventDetails
            .deSerialize((String) targetDetails.getData("mouseEvent"));
    Integer absoluteLeft = (Integer) targetDetails.getData("absoluteLeft");
    Integer absoluteTop = (Integer) targetDetails.getData("absoluteTop");

    diagram.drop(mouseEventDetails.getClientX() - absoluteLeft, mouseEventDetails.getClientY() - absoluteTop,
            (String) transferable.getData("component-type"));
}

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