C++ CInterfaceElement::getParent方法代码示例

	// ***************************************************************************
	void CInterfaceElement::invalidateContent()
	{
		CInterfaceElement *elm = this;
		while (elm)
		{
			// Call back
			elm->onInvalidateContent();

			// Get the parent
			elm = elm->getParent();
		}
	}

	// ------------------------------------------------------------------------------------------------
	CInterfaceGroup* CInterfaceElement::getParentContainer()
	{
		CInterfaceElement *parent = this;
		while (parent)
		{
			CInterfaceGroup *gc = dynamic_cast< CInterfaceGroup* >( parent );
			if( ( gc != NULL ) && gc->isGroupContainer() )
				return gc;

			parent = parent->getParent();
		}
		return NULL;
	}

	// ------------------------------------------------------------------------------------------------
	void CInterfaceElement::relativeSInt32Read (CInterfaceProperty &rIP, const string &prop, const char *val,
														   const string &defVal)
	{
		if (val == NULL)
		{
			rIP.readSInt32 (defVal.c_str(), _Id+":"+prop);
		}
		else
		{
			if ( isdigit(*val) || *val=='-')
			{
				rIP.readSInt32 (val, _Id+":"+prop);
				return;
			}

			sint32 decal = 0;
			if (val[0] == ':')
				decal = 1;
			if (NLGUI::CDBManager::getInstance()->getDbProp(val+decal, false) != NULL)
			{
				rIP.readSInt32 (val+decal, _Id+":"+prop);
				return;
			}
			else
			{
				string sTmp;
				CInterfaceElement *pIEL = this;

				while (pIEL != NULL)
				{
					sTmp = pIEL->getId()+":"+string(val+decal);
					if (NLGUI::CDBManager::getInstance()->getDbProp(sTmp, false) != NULL)
					{
						rIP.readSInt32 (sTmp.c_str(), _Id+":"+prop);
						return;
					}
					pIEL = pIEL->getParent();
				}

				rIP.readSInt32 (val+decal, _Id+":"+prop);
			}
		}
	}

	virtual void execute (CCtrlBase *pCaller, const string &Params)
	{
		CInterfaceManager *pIM = CInterfaceManager::getInstance();
		string dblink   = getParam (Params, "dblink");
		string property = getParam (Params, "target_property");
		string propertyToEval = getParam (Params, "target");
		string expr = getParam (Params, "value");
		//nlinfo("set %s %s %s %s", dblink.c_str(), property.c_str(), propertyToEval.c_str(), expr.c_str());
		CInterfaceExprValue value;
		if (CInterfaceExpr::eval(expr, value, NULL))
		{
			if (!dblink.empty())
			{
				// Do not allow Write on SERVER: or LOCAL:
				static const std::string	dbServer= "SERVER:";
				static const std::string	dbLocal= "LOCAL:";
				static const std::string	dbLocalR2= "LOCAL:R2";
				if( (0==dblink.compare(0,    dbServer.size(),    dbServer)) ||
					(0==dblink.compare(0,    dbLocal.size(),    dbLocal))
					)
				{
					if (0!=dblink.compare(0,    dbLocalR2.size(),    dbLocalR2))
					{
						//nlwarning("You are not allowed to write on 'SERVER:...' or 'LOCAL:...' database");
						nlstop;
						return;
					}
				}

				string dblinkeval;
				CInterfaceExpr::unpackDBentry(dblink.c_str(), NULL, dblinkeval);
				if (!value.toInteger())
				{
					nlwarning("<CAHSet:execute> expression doesn't evaluate to a numerical value");
				}
				CInterfaceProperty ip;

				if (!value.toInteger())
				{
					nlwarning("<CAHSet:execute> expression doesn't evaluate to a numerical value");
				}
				if (ip.link (dblinkeval.c_str()))
				{
					ip.setSInt64(value.getInteger());
				}
			}

			if (!propertyToEval.empty())
			{
				CInterfaceExprValue res;
				if (!CInterfaceExpr::eval(propertyToEval, res, NULL)) return;
				res.toString();
				property = res.getString();
			}


			if (!property.empty())
			{
				std::vector<CInterfaceLink::CTargetInfo> targets;
				// find first enclosing group
				CCtrlBase *currCtrl = pCaller;
				CInterfaceGroup *ig = NULL;
				while (currCtrl)
				{
					ig = dynamic_cast<CInterfaceGroup *>(currCtrl);
					if (ig != NULL) break;
					currCtrl = currCtrl->getParent();
				}
				if (ig == NULL)
				{
					string elt = property.substr(0,property.rfind(':'));
					CInterfaceElement *pIE = pIM->getElementFromId(elt);
					ig = dynamic_cast<CInterfaceGroup*>(pIE);
					if (ig == NULL && pIE != NULL)
						ig = pIE->getParent();
				}

				if (ig != NULL)
				{
					CInterfaceParser::splitLinkTargets(property, ig, targets);
					for(uint k = 0; k < targets.size(); ++k)
					{
						if (targets[k].Elem) targets[k].affect(value);
					}
				}
			}
		}
		else
		{
			nlwarning("<CAHSet::execute> Couldn't evaluate expression to affect, expr = %s", expr.c_str());
		}
	}