event_handler.class.php

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<?php
/*
* Copyright (c) 2004 Heiko Rutenbeck <[e-mail]>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

if(!defined('TOP_DIR')) { define('TOP_DIR','../..'); }

include_once(TOP_DIR.'/plugins/maps/map.main.class.php');


/**
 * This class take care of all possible operations in the maps plugin.
 * 
 * @author bzrudi
 */
class EventHandler
{

var $display_type;

/**
 * Constructor
 */
function EventHandler()
{
	
	/**
	* Init globaly new instance of CMAP, the maps base class we need
	*/
	$this->cmap = new CMap();
	
	/**
	 * Force langfile reload
	 */	
	@require(language_file());

	$this->plugin_info = $lang_plugins['maps'];
	
	$this->maps_setup_info_header = "$maps_setup_info_header";
	$this->maps_setup_yahoo_id = "$maps_setup_yahoo_id";
	$this->maps_setup_google_key = "$maps_setup_google_key";
	$this->maps_setup_php_version_warning = "$maps_setup_php_version_warning";
	$this->maps_select_type = "$maps_select_type";
	$this->maps_select_type_info = "$maps_select_type_info";
	$this->maps_select_display_type = "$maps_select_display_type";
	$this->maps_select_display_type_info = "$maps_select_display_type_info";
	$this->submit_button = "$submit_button_folder";
	$this->maps_zoom_level = "$maps_zoom_level";
	$this->maps_zoom_level_info = "$maps_zoom_level_info";
	$this->maps_zoom_location = "$maps_zoom_location";
	$this->maps_zoom_location_info = "$maps_zoom_location_info";
	$this->maps_google_ctrl_size = "$maps_google_ctrl_size";
	$this->maps_google_ctrl_size_info = "$maps_google_ctrl_size_info";
	$this->dir_perms = "$dir_perms";
	$this->str_change_perm = "$str_change_perm";
	$this->maps_str = "$maps_str";
	$this->map_type_ctrl = "$map_type_ctrl";
	$this->map_type_ctrl_info = "$map_type_ctrl_info";
	$this->map_slide_ctrl = "$map_slide_ctrl";
	$this->map_slide_ctrl_info = "$map_slide_ctrl_info";
	$this->map_pan_ctrl = "$map_pan_ctrl";
	$this->map_pan_ctrl_info = "$map_pan_ctrl_info";
	$this->map_auto_popup = "$map_auto_popup";
	$this->map_auto_popup_info = "$map_auto_popup_info";
	$this->map_album_add = "$map_album_add";
	$this->map_marker_del = "$map_marker_del";
	$this->map_search_location = "$map_search_location";
	$this->map_location_here = "$map_location_here";
	$this->map_new_search = "$str_new_search";
	$this->map_search_loc_button = "$map_search_loc_button";
	$this->map_add_location = "$map_add_location";
	$this->map_assign_album = "$map_assign_album";

}

/**
 * init DB
 */
function initDB()
{
	if($this->createInitialDB())
	{		
		$new_loc = $GLOBALS['db']->Execute("INSERT INTO " .
				"".PREFIX."maps_plugin " .
				"(lat, lon, country, state, zip, city) " .
				"VALUES ('51.52', '-0.1', 'UNITED KINGDOM', " .
				"'England', '00000', 'London')");
		if($new_loc): update_config('1', 'maps_setup_ok'); endif;
	}
	else
	{
		echo "Failed create DB -> check eventHandler::createInitialDB()";
	}
}// end initDB



/**
 * This method creates the initial GPS database table
 * @param none
 * @return bool Database create ok or not 
 * @author bzrudi
 */
function createInitialDB()
{
	
	if(read_config('db_type') == "sqlite")
	{
	$initdb = $GLOBALS['db']->Execute("CREATE TABLE ".PREFIX."maps_plugin (" .
			"id INTEGER PRIMARY KEY, " .
			"lat FLOAT DEFAULT '0.0', " .
			"lon FLOAT DEFAULT '0.0', " .
			"imgid INTEGER DEFAULT '0', " .
			"albid INTEGER DEFAULT '0', " .
			"stage INTEGER DEFAULT '0', " .
			"country VARCHAR(255), " .
			"state VARCHAR(255), " .
			"street VARCHAR(255), " .
			"zip VARCHAR(15), " .
			"city VARCHAR(50), " .
			"gpselevation INT DEFAULT '0', " .
			"gpstime VARCHAR(100), " .
			"gpscomment VARCHAR(255), " .
			"gpsdescription  VARCHAR(255), " .
			"gpsname VARCHAR(255), " .
			"gpssymbol VARCHAR(255), " .
			"marker VARCHAR(255) )");
	}
	elseif(read_config('db_type') == "mysql")
	{
	$initdb = $GLOBALS['db']->Execute("CREATE TABLE ".PREFIX."maps_plugin (" .
			"id INTEGER AUTO_INCREMENT, " .
			"lat FLOAT DEFAULT '0.0', " .
			"lon FLOAT DEFAULT '0.0', " .
			"imgid INT DEFAULT '0', " .
			"albid INT DEFAULT '0', " .
			"stage INT DEFAULT '0', " .
			"country VARCHAR(255), " .
			"state VARCHAR(255), " .
			"street VARCHAR(255), " .
			"zip VARCHAR(15), " .
			"city VARCHAR(50), " .
			"gpselevation INT DEFAULT '0', " .
			"gpstime VARCHAR(100), " .
			"gpscomment VARCHAR(255), " .
			"gpsdescription  VARCHAR(255), " .
			"gpsname VARCHAR(255), " .
			"gpssymbol VARCHAR(255), " .
			"marker VARCHAR(255), " .
			"PRIMARY KEY (id) )");
	}
	elseif(read_config('db_type') == "pgsql")
	{
	$initdb = $GLOBALS['db']->Execute("CREATE TABLE ".PREFIX."maps_plugin (" .
			"id SERIAL PRIMARY KEY, " .
			"lat FLOAT DEFAULT '0.0', " .
			"lon FLOAT DEFAULT '0.0', " .
			"imgid INT DEFAULT '0', " .
			"albid INT DEFAULT '0', " .
			"stage INT DEFAULT '0', " .
			"country VARCHAR(255), " .
			"state VARCHAR(255), " .
			"street VARCHAR(255), " .
			"zip VARCHAR(15), " .
			"city VARCHAR(50), " .
			"gpselevation INT DEFAULT '0', " .
			"gpstime VARCHAR(100), " .
			"gpscomment VARCHAR(255), " .
			"gpsdescription  VARCHAR(255), " .
			"gpsname VARCHAR(255), " .
			"gpssymbol VARCHAR(255), " .
			"marker VARCHAR(255) )");
	}
	else
	{
		echo "Unknown Database Type, Aborting Now!";
	}
	
	if($initdb){
		return true;
	}else{
		return false;
	}
				
}//end createInitialDB



/**
 * This method sets up the maps admin page, once setup is complete
 * 
 * @param none
 * @author bzrudi
 */
function mapsPluginAdminPage()
{
	/**
	 * prepare selects
	 */
	$maps_type = array('yahoo' => "Yahoo Maps", 'google' => "Google Maps");
	$maps_display_type = array('1' => "Hybrid", '2' => "Satellite", '3' => "Regular");
	$maps_google_ctl_size = array('1' => "Large", '0' => "Small");
	$maps_zoom = array('1' => '1', '2' => '2', '3' => '3', '4' => '4', '5' => '5',
				'6' => '6', '7' => '7', '8' => '8', '9' => '9', '10' => '10',
				'11' => '11', '12' => '12', '13' => '13', '14' => '14', 
				'15' => '15', '16' => '16');	
	$loc = $GLOBALS['db']->Execute("SELECT DISTINCT city " .
				"FROM ".PREFIX."maps_plugin ");
	while($data = $loc->fetchRow()){$locations[$data['0']] = $data['0'];}
				
	echo "<h1>".$this->maps_setup_info_header."</h1><hr noshade>" .
	"<form name='mapssetup' method='POST' action='".TOP_DIR.'/plugins/maps/db_handler.php'."'>" .
	"<table class='admintable' width='100%' cellspacing='0'>" .
	"<tr><th class='maintable' colspan='4'>".$this->maps_setup_info_header."</th></tr>";

	$this->print_textfield($this->maps_setup_yahoo_id,'maps_yahoo_id',read_config('maps_yahoo_id'),"<--".$this->maps_setup_yahoo_id."",'yahooid','200');
	$this->print_textfield($this->maps_setup_google_key,'maps_google_key',read_config('maps_google_key'),"<--".$this->maps_setup_google_key."",'googlekey','200');

	echo "<tr><td class='maintable'>".$this->maps_select_type."</td>" .
		"<td class='maintable'>";

		form_generate_select("maps_type","1"," style='width:200'",read_config('maps_type'),$maps_type);

	echo "</td><td class='maintable' align='right'>".$this->maps_select_type_info."</td>" .
		"<td class='maintable'>&nbsp;</td></tr>";

	echo "<tr><td class='maintable'>".$this->maps_select_display_type."</td>" .
		"<td class='maintable'>";

		form_generate_select("maps_display_type","1"," style='width:200'",read_config('maps_display_type'),$maps_display_type);

	echo "</td><td class='maintable' align='right'>".$this->maps_select_display_type_info."</td>" .
		"<td class='maintable'>&nbsp;</td></tr>";

	echo "<tr><td class='maintable'>".$this->maps_google_ctrl_size."</td>" .
		"<td class='maintable'>";

		form_generate_select("maps_google_ctrl_size","1"," style='width:200'",read_config('maps_google_ctrl_size'),$maps_google_ctl_size);

	echo "</td><td class='maintable' align='right'>".$this->maps_google_ctrl_size_info."</td>" .
		"<td class='maintable'>&nbsp;</td></tr>";
	
	echo "<tr><td class='maintable'>".$this->maps_zoom_level."</td>" .
		"<td class='maintable'>";

		form_generate_select("maps_default_zoom","1"," style='width:200'",read_config('maps_default_zoom'),$maps_zoom);

	echo "</td><td class='maintable' align='right'>".$this->maps_zoom_level_info."</td>" .
		"<td class='maintable'>&nbsp;</td></tr>";

	echo "<tr><td class='maintable'>".$this->maps_zoom_location."</td>" .
		"<td class='maintable'>";

		form_generate_select("maps_default_zoom_location","1"," style='width:200'",read_config('maps_default_zoom_location'),$locations);

	echo "</td><td class='maintable' align='right'>".$this->maps_zoom_location_info."</td>" .
		"<td class='maintable'>&nbsp;</td></tr>";
		
	print_radio("".$this->map_type_ctrl."",'maps_yahoo_type_control',read_config('maps_yahoo_type_control'),"".$this->map_type_ctrl."",'maptypes');
	print_radio("".$this->map_slide_ctrl."",'maps_yahoo_slide_control',read_config('maps_yahoo_slide_control'),"".$this->map_slide_ctrl_info."",'mapslide');
	print_radio("".$this->map_pan_ctrl."",'maps_yahoo_pan_control',read_config('maps_yahoo_pan_control'),"".$this->map_pan_ctrl_info."",'mappan');
	print_radio("".$this->map_auto_popup."",'maps_marker_auto_popup',read_config('maps_marker_auto_popup'),"".$this->map_auto_popup_info."",'mapmarkerpop');

	echo "<tr><td class='maintable' colspan='4' align='center'>".
		"<input type='hidden' name='job' value='settings'>".
		"<input type='submit' value=".$this->submit_button.">
	</table>
	</form>	";
	
	echo "<h1>".$this->dir_perms."</h1><hr noshade>";
	echo "".$this->str_change_perm." ".$this->maps_str." <br /><br />";

	print_permissions('maps',TOP_DIR.'/admin.php?page=maps&amp;plugins=1');			

}

/**
 * This method retreives lat and longitude information as well as some other 
 * information using the yahoo geocode api.  
 * 
 * @param string location to search
 * @author bzrudi
 */
function getLocationCoordinates($loc_query, $action, $location)