modules/mykml/mykml_filter.module

<?php
// $Id$
/**
*@file
* Allows users to insert  kml files into nodes displayed on top of a google map
*
* Uses a filter to embed a google map overlayed with a kml file using square brackets
* like [mykml:http://mapgadgets.googlepages.com/cta.kml (41.88414, -87.63238), 10] or in general [mykml:path-to-kml (lat,lon), zoom]
*/

function mykml_filter_menu($may_cache) {
  $items = array();
	if (arg(0)=='admin'){
	}
	else {
    	drupal_add_js(drupal_get_path('module', 'mykml_filter') . '/jquery.jmaps.js');
    	drupal_set_html_head('<script src="http://maps.google.com/maps?file=api&v=2&key='.variable_get("mykml_gmaps_key",'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA').'"type="text/javascript"></script>');
    	drupal_set_html_head('<script src="http://www.google.com/uds/api?file=uds.js&v=1.0&key='.variable_get("mykml_gmaps_key",'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA').'"type="text/javascript"></script>');
	}
	
  if ($may_cache) {
    $items[] = array(
      'path' => 'admin/settings/mykml',
      'title' => t('MyKML Filter'),
      'description' => t('Allow users to insert their kml files into nodes on top of a google map.'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array('mykml_filter_admin_settings'),
      'access' => user_access('administer site configuration'),
    );
  }

  return $items;
}


function mykml_filter_admin_settings() {
     global $base_url;
  $form = array();

  $form['mykml_gmaps_key'] = array(
    '#type' => 'textfield',
    '#title' => t('Gmaps key'),
    '#default_value' => variable_get("mykml_gmaps_key", 'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA'),
    '#size' => 64,
    '#maxlength' => 255,
    '#description' => t('You need an api key to display Google Maps on your website, visit Google <a href="http://www.google.com/apis/maps/signup.html"> and register for one</a>. (The
    default key provided only works for localhost)'),
  );
   $form['mykml_gmaps_width'] = array(
    '#type' => 'textfield',
    '#title' => t('Width'),
    '#default_value' => variable_get("mykml_gmaps_width", '550'),
    '#size' => 32,
    '#maxlength' => 255,
    '#description' => t('Width of google maps displayed (px)'),
  );
   $form['mykml_gmaps_height'] = array(
    '#type' => 'textfield',
    '#title' => t('Height'),
    '#default_value' => variable_get("mykml_gmaps_height", '400'),
    '#size' => 32,
    '#maxlength' => 255,
    '#description' => t('Height of google maps displayed (px)'),
  );
  return system_settings_form($form);
}

function mykml_filter_help($section) {
  if ($section == "admin/modules#description") {
    return t("Allow users to insert kml files into nodes displayed on top of a google map.");
  }
}

function mykml_filter_long_tip_translated() {
  return t('<p>Use a filter to embed a google map overlayed with your kml file using square brackets
with the following syntax [mykml:http://mapgadgets.googlepages.com/cta.kml (41.88414, -87.63238), 10] or generally [mykml:path-to-kml (lat,lon), zoom]
. This also allows you to embed your custom mymaps into your posts, by using the kml link provided on maps.google.com.</p>');
}


function mykml_filter_filter_tips($delta, $format, $long = false) {
  if ($long) {
    return mykml_filter_long_tip_translated();
  }
  else {
    return t("<p>You may embed a google map overlayed with a kml file by inserting square brackets
with the following syntax [mykml:http://www.example.com/cta.kml (41.88414, -87.63238), 10] or generally [mykml:path-to-kml (lat,lon), zoom]. The square brackets will be replaced by the map after submitting your post.</p>");
  }
}

/**
 * Hook which handles filtering.
 */
function mykml_filter_filter($op, $delta = 0, $format = -1, $text = '') {
  switch ($op) {
    case 'list':
      return array(0 => t('MyKML filter'));
    case 'description':
      return t('Allow users to insert kml files into nodes displayed on top of a google map.');
   case 'no cache':
     return true;
    case 'settings':
      global $base_url;

      $form = array();
      return $form;
// don't need "prepare", but need to return text as-is
    case 'prepare':
      return $text;
// Substitute "[l:URL text]
    case 'process':
    return mykml_filter_process($text);
    default:
    return $text;
  }
}

// scan through all of $text, replacing all occurrences of [l:...] tags
function mykml_filter_process($string) {

  $replaced = preg_replace_callback("/\[mykml:([^]\s]*)\s*([^]]*)?\]/",
                create_function('$match',
                  'return(_mykml_filter_tag($match[0], $match[1], $match[2]));'),
                $string);

  return $replaced;
}

/**
 * Theme function to render gmap in a node.
 */
function _mykml_filter_tag($tag, $kml, $latlonzoom) {

drupal_add_js('$(document).ready(function(){
 $("#map").jmap();
 $("#map").addKml("'.$kml.'");
 $("#map").myMap().setCenter(new GLatLng'.$latlonzoom.');
         })','inline');

$gmap = "<div id='map' style='width: ".variable_get("mykml_gmaps_width", '550')."px; height: ".variable_get("mykml_gmaps_height", '400')."px; float:center; border: 1px solid black;'></div>
<br clear=\"all\"/>";

return $gmap;
}
1	<?php
2	// $Id$
3	/**
4	*@file
5	* Allows users to insert kml files into nodes displayed on top of a google map
6	*
7	* Uses a filter to embed a google map overlayed with a kml file using square brackets
8	* like [mykml:http://mapgadgets.googlepages.com/cta.kml (41.88414, -87.63238), 10] or in general [mykml:path-to-kml (lat,lon), zoom]
9	*/
10
11	function mykml_filter_menu($may_cache) {
12	$items = array();
13	if (arg(0)=='admin'){
14	}
15	else {
16	drupal_add_js(drupal_get_path('module', 'mykml_filter') . '/jquery.jmaps.js');
17	drupal_set_html_head('<script src="http://maps.google.com/maps?file=api&v=2&key='.variable_get("mykml_gmaps_key",'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA').'"type="text/javascript"></script>');
18	drupal_set_html_head('<script src="http://www.google.com/uds/api?file=uds.js&v=1.0&key='.variable_get("mykml_gmaps_key",'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA').'"type="text/javascript"></script>');
19	}
20
21	if ($may_cache) {
22	$items[] = array(
23	'path' => 'admin/settings/mykml',
24	'title' => t('MyKML Filter'),
25	'description' => t('Allow users to insert their kml files into nodes on top of a google map.'),
26	'callback' => 'drupal_get_form',
27	'callback arguments' => array('mykml_filter_admin_settings'),
28	'access' => user_access('administer site configuration'),
29	);
30	}
31
32	return $items;
33	}
34
35
36	function mykml_filter_admin_settings() {
37	global $base_url;
38	$form = array();
39
40	$form['mykml_gmaps_key'] = array(
41	'#type' => 'textfield',
42	'#title' => t('Gmaps key'),
43	'#default_value' => variable_get("mykml_gmaps_key", 'ABQIAAAAnfs7bKE82qgb3Zc2YyS-oBT2yXp_ZAY8_ufC3CFXhHIE1NvwkxSySz_REpPq-4WZA27OwgbtyR3VcA'),
44	'#size' => 64,
45	'#maxlength' => 255,
46	'#description' => t('You need an api key to display Google Maps on your website, visit Google <a href="http://www.google.com/apis/maps/signup.html"> and register for one</a>. (The
47	default key provided only works for localhost)'),
48	);
49	$form['mykml_gmaps_width'] = array(
50	'#type' => 'textfield',
51	'#title' => t('Width'),
52	'#default_value' => variable_get("mykml_gmaps_width", '550'),
53	'#size' => 32,
54	'#maxlength' => 255,
55	'#description' => t('Width of google maps displayed (px)'),
56	);
57	$form['mykml_gmaps_height'] = array(
58	'#type' => 'textfield',
59	'#title' => t('Height'),
60	'#default_value' => variable_get("mykml_gmaps_height", '400'),
61	'#size' => 32,
62	'#maxlength' => 255,
63	'#description' => t('Height of google maps displayed (px)'),
64	);
65	return system_settings_form($form);
66	}
67
68	function mykml_filter_help($section) {
69	if ($section == "admin/modules#description") {
70	return t("Allow users to insert kml files into nodes displayed on top of a google map.");
71	}
72	}
73
74	function mykml_filter_long_tip_translated() {
75	return t('<p>Use a filter to embed a google map overlayed with your kml file using square brackets
76	with the following syntax [mykml:http://mapgadgets.googlepages.com/cta.kml (41.88414, -87.63238), 10] or generally [mykml:path-to-kml (lat,lon), zoom]
77	. This also allows you to embed your custom mymaps into your posts, by using the kml link provided on maps.google.com.</p>');
78	}
79
80
81	function mykml_filter_filter_tips($delta, $format, $long = false) {
82	if ($long) {
83	return mykml_filter_long_tip_translated();
84	}
85	else {
86	return t("<p>You may embed a google map overlayed with a kml file by inserting square brackets
87	with the following syntax [mykml:http://www.example.com/cta.kml (41.88414, -87.63238), 10] or generally [mykml:path-to-kml (lat,lon), zoom]. The square brackets will be replaced by the map after submitting your post.</p>");
88	}
89	}
90
91	/**
92	* Hook which handles filtering.
93	*/
94	function mykml_filter_filter($op, $delta = 0, $format = -1, $text = '') {
95	switch ($op) {
96	case 'list':
97	return array(0 => t('MyKML filter'));
98	case 'description':
99	return t('Allow users to insert kml files into nodes displayed on top of a google map.');
100	case 'no cache':
101	return true;
102	case 'settings':
103	global $base_url;
104
105	$form = array();
106	return $form;
107	// don't need "prepare", but need to return text as-is
108	case 'prepare':
109	return $text;
110	// Substitute "[l:URL text]
111	case 'process':
112	return mykml_filter_process($text);
113	default:
114	return $text;
115	}
116	}
117
118	// scan through all of $text, replacing all occurrences of [l:...] tags
119	function mykml_filter_process($string) {
120
121	$replaced = preg_replace_callback("/\[mykml:([^]\s])\s([^]]*)?\]/",
122	create_function('$match',
123	'return(_mykml_filter_tag($match[0], $match[1], $match[2]));'),
124	$string);
125
126	return $replaced;
127	}
128
129	/**
130	* Theme function to render gmap in a node.
131	*/
132	function _mykml_filter_tag($tag, $kml, $latlonzoom) {
133
134	drupal_add_js('$(document).ready(function(){
135	$("#map").jmap();
136	$("#map").addKml("'.$kml.'");
137	$("#map").myMap().setCenter(new GLatLng'.$latlonzoom.');
138	})','inline');
139
140	$gmap = "<div id='map' style='width: ".variable_get("mykml_gmaps_width", '550')."px; height: ".variable_get("mykml_gmaps_height", '400')."px; float:center; border: 1px solid black;'></div>
141	<br clear=\"all\"/>";
142
143	return $gmap;
144	}