Example usage for com.vaadin.event.dd DropTarget getDropHandler

Introduction

In this page you can find the example usage for com.vaadin.event.dd DropTarget getDropHandler.

Prototype

public DropHandler getDropHandler();

Source Link

Usage

From source file:com.foc.web.unitTesting.FocUnitTestingCommand.java

License:Apache License

/**
 * Simulates a drag and drop event./*from   www .j  a  va 2  s .c o  m*/
 * @param sourceName
 * @param sourcePropertyName
 * @param targetPropertyName
 * @param targetPropertyValue
 */

public void dragAndDropHighLevel(String sourceName, String sourcePropertyName, String sourcePropertyValue,
        String targetName, String targetPropertyName, String targetPropertyValue) throws Exception {
    FocXMLLayout navigationLayout = getCurrentCentralPanel();

    if (navigationLayout != null) {

        FVTableWrapperLayout sourceWrapper = (FVTableWrapperLayout) findComponent(navigationLayout, sourceName);
        ITableTree sourceTableOrTree = sourceWrapper == null ? null : sourceWrapper.getTableOrTree();
        Object sourceItemId = null;

        if (sourceTableOrTree != null) {
            FocObject sourceObject = sourceTableOrTree.getTableTreeDelegate()
                    .selectByFocProperty(sourcePropertyName, sourcePropertyValue);

            if (sourceObject != null) {
                sourceItemId = sourceObject.getReference().getLong();
            } else {
                String message = "Could not find source row PROPERTY=" + sourcePropertyName + " VALUE="
                        + sourcePropertyValue;
                getLogger().addFailure(message);
                Globals.logString(message);
                sourceTableOrTree.getTableTreeDelegate().debug_ListOfColumns();
            }
        }

        FocXMLGuiComponent targetComponent = findComponent(navigationLayout, targetName);
        if (targetComponent instanceof FVTableWrapperLayout) {
            FVTableWrapperLayout targetWrapper = (FVTableWrapperLayout) findComponent(navigationLayout,
                    targetName);
            ITableTree targetTableOrTree = targetWrapper == null ? null : targetWrapper.getTableOrTree();
            Object targetItemId = null;

            if (targetTableOrTree != null) {
                if (targetPropertyName != null && targetPropertyValue != null) {
                    FocObject targetObject = targetTableOrTree.getTableTreeDelegate()
                            .selectByFocProperty(targetPropertyName, targetPropertyValue);

                    if (targetObject != null) {
                        targetItemId = targetObject.getReference().getLong();
                    }
                }
            }

            dragAndDropLowLevel(sourceTableOrTree, sourceItemId, targetTableOrTree, targetItemId);
        } else if (targetComponent instanceof DropTarget) {
            DataBoundTransferable dbt = buildDragTransferable(sourceTableOrTree, sourceItemId);
            DropTarget dropTarget = (DropTarget) targetComponent;
            DropHandler dropHandler = dropTarget.getDropHandler();

            HashMap<String, Object> rawVariables = new HashMap<String, Object>();

            TargetDetailsImpl details = new TargetDetailsImpl(rawVariables, dropTarget);
            DragAndDropEvent dde = new DragAndDropEvent(dbt, details);
            if (dropHandler != null) {
                dropHandler.drop(dde);
            }
        }
    }
}

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