<?php
/* $Id$ */
/**
* @file
* GMap Filters is a module to include Google Map in a module
*
* GMap filter allows the insertion of a googlemap in a module. It has
* a page to creat a macro and then a filter to convet the macro into the
* html and javascript code required to insert a google map.
*/
function gmap_help($section) {
switch ($section) {
case 'admin/modules#description':
return t('Filter to allow insertion of a google map into a node');
case 'admin/help#gmap':
return t('<p>This is a module to allow creation and insertion of a google map into a node. ');
break;
}
}
function gmap_perm() {
return array('create macro', 'override defaults');
}
/**
*
* Returns the html required to insert a map from a gmap associative array.
*
* @param $gmap
* An associative array with the following variables set:
*
* id - the id of the map every map on a page must have a unique id
* width - width of the map
* height - height of the map
* latlong - a string of the latitude and longitude of the centre of the map
* zoom - the zoom factor of the google map
* align - the alignment of the map 'right', 'left' or 'center'
* control - the control shown on the map 'Large', 'Small', or 'None'
* type - 'Map', 'Hybrid' or 'Satellite'
* points - a string of points to mark on the map with + between each point
*
* Note: that this procedure does no security checking and will insert most of the strings into
* script and that this will be in a <script> block so it could be used to insert javascript
* into the page. If the variables are set by users it is recommended that you use gmap_satitize() first.
*
* @return
* A string with the google map ready to be inserted into a node.
*
*/
function gmap_from_var ($gmap) {
(!isset($gmap['width'])) ? $gmap['width']=variable_get('gmap_default_width', 300): NULL;
(!isset($gmap['height'])) ? $gmap['height']=variable_get('gmap_default_height', 200):NULL;
(!isset($gmap['latlong'])) ? $gmap['latlong']=variable_get('gmap_default_latlong', '-123.1, 49.2'):NULL;
(!isset($gmap['zoom'])) ? $gmap['zoom']=variable_get('gmap_default_zoom', 7):NULL;
(!isset($gmap['align'])) ? $gmap['align']='':NULL;
(!isset($gmap['id'])) ? $gmap['id']='map':NULL;
(!isset($gmap['control'])) ? $gmap['control']='Small':NULL;
(!isset($gmap['type'])) ? $gmap['type']='Map':NULL;
if (strlen($gmap['align'])>1) {
$gmap['align']=' ALIGN="'.$gmap['align'].'"';
}
$outtext='<div id="'.$gmap['id'].'" style="width: '.$gmap['width'].'px; height: '.$gmap['height'].'px"'.$gmap['align'].'></div>
<style type="text/css">
v\:* {
behavior:url(#default#VML);
}
</style>
<script type="text/javascript">
//<![CDATA[
gmap_torun.push(\'gmap_load_'.$gmap['id'].'();\');
function gmap_load_'.$gmap['id'].'() {
var '.$gmap['id'].' = new GMap(document.getElementById("'.$gmap['id'].'"));
'.$gmap['id'].'.centerAndZoom(new GPoint('.$gmap['latlong'].'), '.$gmap['zoom'].');
';
switch (strtolower($gmap['control'])) {
case 'small':
$outtext .='var mycontrol=new GSmallMapControl();
'.$gmap['id'].'.addControl(mycontrol);
';
break;
case 'large':
$outtext .='var mycontrol=new GLargeMapControl();
'.$gmap['id'].'.addControl(mycontrol);
';
}
$outext .= $gmap['id'].'.centerAndZoom(new GPoint('.$gmap['latlong'].'), '.$gmap['zoom'].');';
if (isset($gmap['points'])) {
$points = explode('+',$gmap['points']);
foreach ($points as $value) {
$outtext .="\n".$gmap['id'].'.addOverlay(new GMarker(new GPoint('.$value.')));';
}
}
if (isset($gmap['line1'])) {
$line1 = explode('+',$gmap['line1']);
$line1txt ='';
foreach ($line1 as $value) {
if (strlen($line1txt)>0) {
$line1txt .= ', ';
}
$line1txt .="new GPoint($value)";
}
$outtext .="\n".$gmap['id'].".addOverlay(new GPolyline([$line1txt],'".variable_get('gmap_default_line1_color', '#00cc00')."',5));";
}
if (isset($gmap['line2'])) {
$line2 = explode('+',$gmap['line2']);
$line2txt ='';
foreach ($line2 as $value) {
if (strlen($line2txt)>0) {
$line2txt .= ', ';
}
$line2txt .="new GPoint($value)";
}
$outtext .="\n".$gmap['id'].".addOverlay(new GPolyline([$line2txt],'".variable_get('gmap_default_line2_color', '#ff0000')."',5));";
}
if (isset($gmap['line3'])) {
$line3 = explode('+',$gmap['line3']);
$line3txt ='';
foreach ($line3 as $value) {
if (strlen($line3txt)>0) {
$line3txt .= ', ';
}
$line3txt .="new GPoint($value)";
}
$outtext .="\n".$gmap['id'].".addOverlay(new GPolyline([$line3txt],'".variable_get('gmap_default_line3_color', '#0000ff')."',5));";
}
$outtext .="\n } \n".' //]]>
</script>';
return $outtext;
}
/**
*
* Cleans the gmap variables to prevent javascript interjection
*
* @param $gmap
* A Gmap variable
*
* @return
* A GMap variable with any dangerous text removed
*
*/
function gmap_sanitize($gmap){
//sanitizes the gmap variables to reduce the possibility of javascript inserts
foreach ($gmap as $key=>$value) {
if ($key='id') {
preg_match('([a-zA-Z1-9_-]*)', $value,$out);
$value=$out[0];
}
else {
$value=str_replace(';','',$value);
}
}
return $gmap;
}
/**
*
* Returns the html required to insert a map from a gmap associative array.
*
* @param $instring
* A string with the settings of gmap insertion in the format var=setting|var2=setting2
* The possible variables are
* id - the id of the map every map on a page must have a unique id
* width - width of the map
* height - height of the map
* latlong - a string of the latitude and longitude of the centre of the map
* zoom - the zoom factor of the google map
* align - the alignment of the map 'right', 'left' or 'center'
* control - the control shown on the map 'Large', 'Small', or 'None'
* type - 'Map', 'Hybrid' or 'Satellite'
* points - a string of points to mark on the map with + between each point
*
* @return
* A string with the google map ready to be inserted into a node.
*
*/
function gmap_from_text($instring) {
$statements=explode('|', $instring);
$j=0;
while (isset($statements[$j])) {
$t=explode('=', $statements[$j],2);
$gmap[trim($t[0])] = trim($t[1]);
$j++;
}
$gmap=gmap_sanitize($gmap);
$outtext = gmap_from_var($gmap);
// $outtext .= "\nIn gmap_from_text ($instring)\n". print_r($gmap,true);
return $outtext;
}
function _gmap_prepare($intext) {
$out=FALSE;
$mapexp = '/\[gmap([^\[\]]+ )* \] /x';
preg_match_all($mapexp, $intext, $matches);
$i=0;
while (isset($matches[1][$i])) {
$out[0][$i] = $matches[0][$i];
$out[1][$i] = gmap_from_text($matches[1][$i]);
$i++;
} // endwhile process macro
return $out;
}
function gmap_filter($op, $delta = 0, $format = -1, $text = '') {
switch ($op) {
case 'list':
return (array(0 => t('GMap filter')));
break;
case 'name':
return t('Google map filter');
break;
case 'description':
return t('converts a google map macro into the html required for inserting a google map.');
break;
case 'process':
$gmaps=_gmap_prepare($text); //returns an array of $tables[0] = table macro $table[1]= table html
if ($gmaps) { // there are table macros in this node
return str_replace($gmaps[0], $gmaps[1], $text);
}
else {
return $text;
}
break;
case 'prepare':
return $text;
break;
}
}
function gmap_filter_tips($delta, $format, $long = false) {
return t('Insert Google Map macro. <a href="gmapmacro" target="_blank" >Create a macro</a>');
}
function gmap_menu($may_cache) {
$items=array();
if ($may_cache) {
$items[] = array('path' => 'gmapmacro',
'title' => t('Create a Google Map Macro'),
'access' => user_access('create macro'),
'callback' => 'gmap_macro_page' );
}
if (!$may_cache) {
$header_text="\n".'<script src="http://maps.google.com/maps?file=api&v=1&key='.variable_get('googlemap_api_key', 'abcdef').'" type="text/javascript"></script>
<script language="javascript">
//<![CDATA[
var gmap_torun= new Array();
// note: this is required due to a bug with IE
function gmap_onload() {
for (i=0; i < gmap_torun.length; i++) {
eval(gmap_torun[i]);
}
}
// ]]>
</script>'."\n";
drupal_set_html_head($header_text);
}
return $items;
}
function gmap_onload() {
return array('gmap_onload()');
}
function gmap_settings() {
//note the same google api key variable name as in the googlemap module is used
$output = form_textfield(t('Google API Key'), 'googlemap_api_key', variable_get('googlemap_api_key', 'abcdef'), 30, 255, t('Your personal Googlemaps API key. You must get this for each separate website at <a href="http://www.google.com/apis/maps/">Google Map API website</a>.'));
$output .= form_textfield(t('Default width'), 'gmap_default_width', variable_get('gmap_default_width', 300), 30,4,t('The default width of a Google map.'));
$output .= form_textfield(t('Default height'), 'gmap_default_height', variable_get('gmap_default_height', 200), 30,4,t('The default height of a Google map.'));
$output .= form_textfield(t('Default center'), 'gmap_default_latlong', variable_get('gmap_default_latlong', '-123.1, 49.2'), 30,120,t('The default latitude, longitude of a Google map.'));
$output .= form_textfield(t('Default zoom'), 'gmap_default_zoom', variable_get('gmap_default_zoom', 7), 30,2,t('The default zoom level of a Google map.'));
$output .= form_select(t('Default Control type'), 'gmap_map_control', variable_get('gmap_default_control', 'Small'), array('None'=>t('None'), 'Small'=>t('Small'), 'Large'=>t('Large')),t('The default control type for the map.'));
$output .= form_select(t('Default map type'), 'gmap_map_type', variable_get('gmap_default_type', 'Map'),array('Map'=>t('Map'), 'Hybrid'=>t('Hybrid'), 'Satellite'=>t('Satellite')),t('The default map type.'));
$output .= form_textfield(t('Line1 color'), 'gmap_line1_color', variable_get('gmap_default_line1_color', '#00cc00'), 30,7);
$output .= form_textfield(t('Line2 color'), 'gmap_line2_color', variable_get('gmap_default_line2_color', '#ff0000'), 30,7);
$output .= form_textfield(t('Line3 color'), 'gmap_line3_color', variable_get('gmap_default_line3_color', '#0000ff'), 30,7);
return $output;
}
/**
*
* Creates a page that has all of the javascript required for the macro-creation tool.
*
*/
function gmap_macro_page() {
$line_colour=array(1=>variable_get('gmap_default_line1_color', '#00cc00'), variable_get('gmap_default_line2_color', '#ff0000'),variable_get('gmap_default_line3_color', '#0000ff'));
(isset($_REQUEST['width'])) ? $newwidth=$_REQUEST['width'] : $newwidth= variable_get('gmap_default_width', 300);
(isset($_REQUEST['height'])) ? $newheight=$_REQUEST['height'] : $newheight= variable_get('gmap_default_height', 200);
(isset($_REQUEST['latlong'])) ? $newlatlong=$_REQUEST['latlong'] : $newlatlong= variable_get('gmap_default_latlong', '-123.1, 49.2');
(isset($_REQUEST['zoom'])) ? $newzoom=$_REQUEST['zoom'] : $newzoom= variable_get('gmap_default_zoom', 7);
(isset($_REQUEST['control'])) ? $newcontrol=$_REQUEST['control'] : $newcontrol= variable_get('gmap_default_control', 'Small');
$control=''; $small=''; $large='';
$none= ($newcontrol=='None') ? 'SELECTED ' :'';
$initiate = "//initiate variables\n";
if ($newcontrol=='Small') {
$small = 'SELECTED ';
$initiate .= "map.addControl(new GSmallMapControl());\n";
}
if ($newcontrol=='Large') {
$large = 'SELECTED ';
$initiate .= "map.addControl(new GLargeMapControl());\n";
}
for ($i=1; $i<=3; $i++) {
if (isset($_REQUEST['point'.$i]) && strlen($_REQUEST['point'.$i])>0) {
$newpoint[$i]=$_REQUEST['point'.$i];
$initiate .= 'point'.$i.'overlay=new GMarker(new GPoint('.$_REQUEST['point'.$i].'));'."\n";
$initiate .= 'map.addOverlay(point'.$i.'overlay);'."\n";
}
else {
$newpoint[$i]='';
}
if (isset($_REQUEST['line'.$i]) && strlen($_REQUEST['line'.$i])>0) {
$newline[$i]=$_REQUEST['line'.$i];
$initiate .= 'line'.$i.'overlay = new GPolyline([new GPoint('.str_replace(' + ','), new GPoint(',$newline[$i]).')],"'.$line_colour[$i].'", 5);'."\n";
$initiate .= 'map.addOverlay(line'.$i.'overlay);'."\n";
}
else {
$newline[$i]='';
}
}
$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml">
<head>
<title>GMap Macro Creator</title>
<script src="http://maps.google.com/maps?file=api&v=1&key='.variable_get('googlemap_api_key', 'abcdef').'" type="text/javascript"></script>
<style type="text/css">
v\:* {
behavior:url(#default#VML);
}
body {
font-family: Helvetica, Arial, Lucida, Verdana, sans-serif;
}
h1 {
font-size: 1.2em;
font-weight: 700;
}
</style>
</head>
<body onload="makemacro(); gmapload();">
<h1>GMap Macro creation tool</h1>
<p>Using the controls on this page, set the map as to how you would like it to appear and then use the gmap macro filter to insert this
into a node. Select the contents of the macro form (by clicking on macro text field) and then copy and paste it into a node where the
gmap filter has been enabled.
<p><div id="map" style="width: '.$newwidth.'px; height: '.$newheight.'px"></div>
<script type="text/javascript">
//<![CDATA[
function makemacro() {
var zooml = \' |zoom=\' + document.gmapform.zoom.value;
var center = \' |latlong=\' + document.gmapform.latlong.value;
var width = \' |width=\' + document.gmapform.width.value;
var height = \' |height=\' + document.gmapform.height.value;
var id = \' |id=\' + document.gmapform.id.value;
var control = \' |control=\' + document.gmapform.controltype.value;
var type = \' |type=\' + document.gmapform.maptype.value;
var alignment = \' |align=\' + document.gmapform.alignment.value;
if (document.gmapform.point1.value.length >0) {var points = \' |points=\' + document.gmapform.point1.value} else points=\'\';
if (document.gmapform.point2.value.length >0) {points += \' + \' + document.gmapform.point2.value};
if (document.gmapform.point3.value.length >0) {points += \' + \' + document.gmapform.point3.value};
if (document.gmapform.line1.value.length >0) {var line1 = \' |line1=\' + document.gmapform.line1.value} else line1=\'\';
if (document.gmapform.line2.value.length >0) {var line2 = \' |line2=\' + document.gmapform.line2.value} else line2=\'\';
if (document.gmapform.line3.value.length >0) {var line3 = \' |line3=\' + document.gmapform.line3.value} else line3=\'\';
document.gmapform.macro.value = \'[gmap\' + id + center + zooml + width + height + alignment + control + type + points + line1 + line2 + line3 + \']\';
}
function mapat(instring) {
var splitstring=instring.split(",");
map.centerAtLatLng(new GPoint(splitstring[0],splitstring[1]));
}
function docontrol(incontrol) {
map.removeControl(mycontrol);
if (incontrol == "Small") map.addControl(mycontrol = new GSmallMapControl());
if (incontrol == "Large") map.addControl(mycontrol = new GLargeMapControl());
makemacro();
}
function changetype(intype) {
if (intype == "Map") map.setMapType(G_MAP_TYPE);
if (intype == "Hybrid") map.setMapType(G_HYBRID_TYPE);
if (intype == "Satellite") map.setMapType(G_SATELLITE_TYPE);
makemacro();
}
var map=null;
var mycontrol=null;
var point1overlay=null; var point2overlay=null; var point3overlay=null;
var line1overlay=null; var line1points=new Array(); var line1string=new String();
var line2overlay=null; var line2points=new Array(); var line2string=new String();
var line3overlay=null; var line3points=new Array(); var line3string=new String();
function gmapload() {
if (GBrowserIsCompatible()) {
map = new GMap(document.getElementById("map"));
map.centerAndZoom(new GPoint('.$newlatlong.'), '.$newzoom.');
'.$initiate.'
GEvent.addListener(map, "moveend", function() {
var center = map.getCenterLatLng();
var latLngStr = center.x + \', \' + center.y ;
document.gmapform.latlong.value = latLngStr;
makemacro();
});
GEvent.addListener(map, "zoom", function() {
var zooml = map.getZoomLevel();
document.gmapform.zoom.value = zooml;
document.gmapform.latlong.value = latLngStr;
makemacro();
});
GEvent.addListener(map, \'click\', function(overlay, point) {
if (overlay) {
if (overlay==point1overlay) {
point1overlay=point2overlay;
point2overlay=point3overlay;
point3overlay=null;
document.gmapform.point1.value=document.gmapform.point2.value;
document.gmapform.point2.value=document.gmapform.point3.value;
document.gmapform.point3.value=\'\';
}
if (overlay==point2overlay) {
point2overlay=point3overlay;
point3overlay=null;
document.gmapform.point2.value=document.gmapform.point3.value;
document.gmapform.point3.value=\'\';
}
if (overlay==point3overlay) {
point3overlay=null;
document.gmapform.point3.value=\'\';
}
map.removeOverlay(overlay);
}
else if (point) {
if (document.gmapform.clicktype.value==\'Points\') {
map.addOverlay(marker=new GMarker(point));
if (point2overlay) {
if (point3overlay!=false) {
map.removeOverlay(point3overlay);
}
point3overlay=point2overlay;
document.gmapform.point3.value=document.gmapform.point2.value;
}
if (point1overlay) {
point2overlay=point1overlay;
document.gmapform.point2.value=document.gmapform.point1.value
}
point1overlay = marker;
document.gmapform.point1.value=point.x + \',\' + point.y ;
}
else if (document.gmapform.clicktype.value==\'Line1\') {
line1points.push(point);
if (line1overlay) map.removeOverlay(line1overlay);
line1overlay=new GPolyline(line1points,"'.$line_colour[1].'", 5);
map.addOverlay(line1overlay);
if (line1string.length > 0) line1string += \' + \';
line1string += point.x + \',\' + point.y;
document.gmapform.line1.value = line1string;
}
else if (document.gmapform.clicktype.value==\'Line2\') {
line2points.push(point);
if (line2overlay) map.removeOverlay(line2overlay);
line2overlay=new GPolyline(line2points,"'.$line_colour[2].'", 5);
map.addOverlay(line2overlay);
if (line2string.length > 0) line2string += \' + \';
line2string += point.x + \',\' + point.y;
document.gmapform.line2.value = line2string;
}
else if (document.gmapform.clicktype.value==\'Line3\') {
line3points.push(point);
if (line3overlay) map.removeOverlay(line3overlay);
line3overlay=new GPolyline(line3points,"'.$line_colour[3].'", 5);
map.addOverlay(line3overlay);
if (line3string.length > 0) line3string += \' + \';
line3string += point.x + \',\' + point.y;
document.gmapform.line3.value = line3string;
}
}
makemacro();
});
}
}
//]]>
</script>
<form action="gmapmacro" name="gmapform" method="post">
<table>
<tr><td><a title="When multiple maps are to be shown on the same page, each one must have a unique id.">ID:</a></td><td><input type="text" size="25" name="id" value="map" onchange="makemacro(); " />
<td>Map type:</td><td><SELECT NAME="maptype" onchange="changetype(document.gmapform.maptype.value);">
<OPTION VALUE="Map" />Map
<OPTION VALUE="Hybrid" />Hybrid
<OPTION VALUE="Satellite" />Satellite
</SELECT> </td> </tr>
<tr><td>Lat,Long:</td><td colspan=3><input type="text" size="50" name="latlong" value="'.$newlatlong.'" onchange="mapat(document.gmapform.latlong.value); " /> </td>
<tr><td><a title="Map size, page must be reloaded to change map size">Width:</a></td><td><input type="text" size="25" name="width" value="'.$newwidth.'" /></td>
<td>Alignment:</td><td><SELECT NAME="alignment" onchange="makemacro();">
<OPTION VALUE="None" />None
<OPTION VALUE="Right" />Right
<OPTION VALUE="Left" />Left
<OPTION VALUE="Center" />Center
</SELECT></td></tr>
<tr><td><a title="Map size, page must be reloaded to change map size">Height:</a></td><td><input type="text" size="25" name="height" value="'.$newheight.'" /> </td>
<td>Controls:</td><td><SELECT NAME="controltype" onchange="docontrol(document.gmapform.controltype.value);">
<OPTION VALUE="None" '.$none.'/>None
<OPTION VALUE="Small" '.$small.'/>Small
<OPTION VALUE="Large" '.$large.'/>Large
</SELECT>
<tr><td><a title="What happens when you click on the map">Click type:</a></td><td><SELECT NAME="clicktype" >
<OPTION VALUE="Points" TITLE="Add Marker to map"/>Points
<OPTION VALUE="Line1" />Line1
<OPTION VALUE="Line2" />Line2
<OPTION VALUE="Line3" />Line3
</SELECT> </td>
<td><a title="The current magnification of the map">Magnification:</a></td><td><input type="text" size="5" name="zoom" value="'.$newzoom.'" onchange="map.zoomTo(document.gmapform.zoom.value); " /> </td></tr>
<!-- tr><td>point1:</td><td colspan=3 --><input type="hidden" size="50" name="point1" value="'.$newpoint[1].'" /><!-- /td>
<tr><td>point2:</td><td colspan=3 --><input type="hidden" size="50" name="point2" value="'.$newpoint[2].'" /> <!-- /td>
<tr><td>point3:</td><td colspan=3 --><input type="hidden" size="50" name="point3" value="'.$newpoint[3].'" /> <!-- /td>
<tr><td>line1:</td><td colspan=3 --><input type="hidden" size="50" name="line1" value="'.$newline[1].'" /> <!-- /td>
<tr><td>line2:</td><td colspan=3 --><input type="hidden" size="50" name="line2" value="'.$newline[2].'" /> <!-- /td>
<tr><td>line3:</td><td colspan=3 --><input type="hidden" size="50" name="line3" value="'.$newline[3].'" /> <!-- /td-->
</table>
<textarea name="macro" cols="60" rows="10" onclick="document.gmapform.macro.select();">
</textarea>
<p><INPUT type="submit" value="Reload to resize map" title="Only reload to resize map, some settings may be lost"></p>
</form>
</body>
</html> ';
print $output;
}
?>