Examples with UpdateExpressionCommand org.talend.designer.xmlmap.commands.UpdateExpressionCommand used on opensource projects

Example 1 with UpdateExpressionCommand

use of org.talend.designer.xmlmap.commands.UpdateExpressionCommand in project tdi-studio-se by Talend.

the class DragAndDropEditPolicy method getCommand.

@Override
public Command getCommand(Request request) {
    if (request instanceof CreateNodeConnectionRequest) {
        CreateNodeConnectionRequest rq = (CreateNodeConnectionRequest) request;
        EditPart targetEditPart = rq.getTargetEditPart();
        Command command = null;
        if (targetEditPart != null && TemplateTransfer.getInstance().getObject() instanceof TransferedObject) {
            TransferedObject toDrop = (TransferedObject) TemplateTransfer.getInstance().getObject();
            MapperManager manager = ((XmlMapGraphicViewer) targetEditPart.getViewer()).getMapperManager();
            if (manager != null && manager.getExternalData() != null) {
                DropType dropType = rq.getNewObjectType();
                if (dropType != null) {
                    switch(dropType) {
                        case DROP_FILTER:
                            if (targetEditPart instanceof MapperTablePart) {
                                command = new UpdateFilterExpressionCommand(toDrop, (MapperTablePart) targetEditPart, manager.getExternalData());
                            }
                            break;
                        case DROP_EXPRESSION:
                            if (targetEditPart instanceof TableEntityPart) {
                                command = new UpdateExpressionCommand(toDrop, (TableEntityPart) targetEditPart, manager);
                            }
                            break;
                        case DROP_OUTPUT_DOC_CHILD:
                            if (targetEditPart instanceof OutputTreeNodeEditPart && rq.getNewObject() instanceof OutputTreeNode) {
                                command = new CreateDocChildrenCommand(toDrop, (OutputTreeNodeEditPart) targetEditPart, rq, manager);
                            }
                            break;
                        case DROP_INSERT_OUTPUT:
                        case DROP_INSERT_VAR:
                        case DROP_INSERT_INPUT:
                            command = new InsertNewColumnCommand(toDrop, targetEditPart, rq, manager, dropType);
                        default:
                            break;
                    }
                }
            }
        }
        if (command != null) {
            return command;
        }
    // drop expression
    // boolean update = rq.getDropType() == CreateNodeConnectionRequest.DROP_EXPRESSION ? true : false;
    // return new CreateNodeAndConnectionCommand(rq.getNewObject(), rq.getTargetEditPart(), update);
    }
    return super.getCommand(request);
}