use of org.talend.designer.xmlmap.dnd.DropType 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);
}
Aggregations