class.ilLocationInputGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2007 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program 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; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program 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.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilLocationInputGUI extends ilFormPropertyGUI
{
        protected $latitude;
        protected $longitude;
        protected $zoom;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setType("location");
        }

        function setLatitude($a_latitude)
        {
                $this->latitude = $a_latitude;
        }

        function getLatitude()
        {
                return $this->latitude;
        }

        function setLongitude($a_longitude)
        {
                $this->longitude = $a_longitude;
        }

        function getLongitude()
        {
                return $this->longitude;
        }

        function setZoom($a_zoom)
        {
                $this->zoom = $a_zoom;
        }

        function getZoom()
        {
                return $this->zoom;
        }

        function setValueByArray($a_values)
        {
                $this->setLatitude($a_values[$this->getPostVar()]["latitude"]);
                $this->setLongitude($a_values[$this->getPostVar()]["longitude"]);
                $this->setZoom($a_values[$this->getPostVar()]["zoom"]);
        }

        function checkInput()
        {
                global $lng;
                
                $_POST[$this->getPostVar()]["latitude"] = 
                        ilUtil::stripSlashes($_POST[$this->getPostVar()]["latitude"]);
                $_POST[$this->getPostVar()]["longitude"] = 
                        ilUtil::stripSlashes($_POST[$this->getPostVar()]["longitude"]);
                if ($this->getRequired() &&
                        (trim($_POST[$this->getPostVar()]) == "" || trim($_POST[$this->getPostVar()]) == ""))
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));

                        return false;
                }
                return true;
        }

        function insert(&$a_tpl)
        {
                global $tpl, $lng;
                
                $lng->loadLanguageModule("gmaps");
                $a_tpl->setCurrentBlock("prop_location");
                $a_tpl->setVariable("POST_VAR", $this->getPostVar());
                $a_tpl->setVariable("TXT_ZOOM", $lng->txt("gmaps_zoom_level"));
                $a_tpl->setVariable("LOC_DESCRIPTION", $lng->txt("gmaps_std_location_desc"));
                
                $lat = is_numeric($this->getLatitude())
                        ? $this->getLatitude()
                        : 0;
                $long = is_numeric($this->getLongitude())
                        ? $this->getLongitude()
                        : 0;
                $a_tpl->setVariable("PROPERTY_VALUE_LAT", $lat);
                $a_tpl->setVariable("PROPERTY_VALUE_LONG", $long);
                for($i = 0; $i <= 18; $i++)
                {
                        $levels[$i] = $i;
                }
                $a_tpl->setVariable("ZOOM_SELECT",
                        ilUtil::formSelect($this->getZoom(), $this->getPostVar()."[zoom]",
                        $levels, false, true, 0, "", array("id" => "map_".$this->getPostVar()."_zoom",
                                "onchange" => "ilUpdateMap('"."map_".$this->getPostVar()."');")));
                $a_tpl->setVariable("MAP_ID", "map_".$this->getPostVar());
                
                include_once("./Services/GoogleMaps/classes/class.ilGoogleMapGUI.php");
                $map_gui = new ilGoogleMapGUI();
                $map_gui->setMapId("map_".$this->getPostVar());
                $map_gui->setLatitude($lat);
                $map_gui->setLongitude($long);
                $map_gui->setZoom($this->getZoom());
                $map_gui->setEnableTypeControl(true);
                $map_gui->setEnableLargeMapControl(true);
                $map_gui->setEnableUpdateListener(true);
                $map_gui->setEnableCentralMarker(true);
                
                $a_tpl->setVariable("MAP", $map_gui->getHtml());
                
                $a_tpl->parseCurrentBlock();
        }

}