79 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * This file is part of OpenTTD.
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 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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 */
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/** @file depot_cmd.cpp %Command Handling for depots. */
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#include "stdafx.h"
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#include "command_func.h"
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#include "depot_base.h"
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#include "company_func.h"
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#include "string_func.h"
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#include "town.h"
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#include "vehicle_gui.h"
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#include "vehiclelist.h"
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#include "window_func.h"
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#include "depot_cmd.h"
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#include "table/strings.h"
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#include "safeguards.h"
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/**
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 * Check whether the given name is globally unique amongst depots.
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 * @param name The name to check.
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 * @return True if there is no depot with the given name.
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 */
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static bool IsUniqueDepotName(const std::string &name)
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{
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	for (const Depot *d : Depot::Iterate()) {
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		if (!d->name.empty() && d->name == name) return false;
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	}
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	return true;
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}
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/**
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 * Rename a depot.
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 * @param flags type of operation
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 * @param depot_id id of depot
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 * @param text the new name or an empty string when resetting to the default
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 * @return the cost of this operation or an error
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 */
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CommandCost CmdRenameDepot(DoCommandFlag flags, DepotID depot_id, const std::string &text)
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{
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	Depot *d = Depot::GetIfValid(depot_id);
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	if (d == nullptr) return CMD_ERROR;
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	CommandCost ret = CheckTileOwnership(d->xy);
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	if (ret.Failed()) return ret;
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	bool reset = text.empty();
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	if (!reset) {
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		if (Utf8StringLength(text) >= MAX_LENGTH_DEPOT_NAME_CHARS) return CMD_ERROR;
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		if (!IsUniqueDepotName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
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	}
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	if (flags & DC_EXEC) {
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		if (reset) {
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			d->name.clear();
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			MakeDefaultName(d);
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		} else {
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			d->name = text;
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		}
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		/* Update the orders and depot */
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		SetWindowClassesDirty(WC_VEHICLE_ORDERS);
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		SetWindowDirty(WC_VEHICLE_DEPOT, d->xy);
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		/* Update the depot list */
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		VehicleType vt = GetDepotVehicleType(d->xy);
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		SetWindowDirty(GetWindowClassForVehicleType(vt), VehicleListIdentifier(VL_DEPOT_LIST, vt, GetTileOwner(d->xy), d->index).Pack());
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	}
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	return CommandCost();
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}
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