function ajax_request()
{
global $editor_types, $editor_tables;
$xml = '';
$msg = '';
$rec_count = 0;
$db = new wpdb(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST);
$pnum = clb_val(FALSE, $_REQUEST, 'pnum');
if ($new_mark = preg_match('/^b(\\w{7})(\\w{7})/', $pnum, $m)) {
$_REQUEST['lat'] = hexdec($m[1]) / 100000 - 180;
$_REQUEST['lng'] = hexdec($m[2]) / 100000 - 180;
$_REQUEST['coords'] = clb_b64e($_REQUEST['lat']) . clb_b64e($_REQUEST['lng']);
}
$ptype = clb_val(FALSE, $_REQUEST, 'ptype');
//if the ptype is cust, default to the first table and type in the definitions that does or does not have a polyline
if ($ptype == 'cust' && $new_mark) {
foreach ($editor_types as $ptype => $spec) {
if (clb_val(FALSE, $spec, 'polyline') == isset($_REQUEST['polyline'])) {
break;
}
}
}
$table = FALSE;
$prefixes = clb_column($editor_tables, 'prefix');
if ($pnum && preg_match('/^(\\w+)_\\w+$/', $pnum, $m)) {
$table = array_search($m[1], $prefixes);
} else {
if ($ptype) {
$table = clb_val(FALSE, $editor_types, $ptype, 'table');
}
}
$spec = clb_val(FALSE, $editor_tables, $table);
$ajax = clb_val(FALSE, $_REQUEST, 'ajax');
qlog(__LINE__, '>>>>', $ajax, $pnum, $ptype, $table, $new_mark ? 'new' : 'old');
//, $spec);
switch ($ajax) {
case 'show':
$sel = FALSE;
if ($spec) {
$select = clb_val(FALSE, $spec, 'select');
$query = 'SELECT ' . clb_join($select, '`') . ' FROM ' . $table . ' WHERE pnum=' . clb_escape($pnum);
$sel = $db->get_results($query, ARRAY_A);
}
//if not found via pnum, try title in each table.
if (!$sel) {
foreach ($editor_tables as $table => $spec) {
if (($select = clb_val(FALSE, $spec, 'select')) && in_array('title', $select)) {
$query = 'SELECT ' . clb_join($select, '`') . ' FROM ' . $table . ' WHERE title like ' . clb_escape($pnum . '%');
$sel = $db->get_results($query, ARRAY_A);
if ($sel) {
break;
}
}
}
}
if (!$sel) {
$msg = 'No matches found for: ' . $pnum;
} else {
$titles = clb_column($sel, 'title');
$msg = count($sel) . ' matches found: ' . join(', ', $titles);
$rec = reset($sel);
$pnum = clb_val(FALSE, $rec, 'pnum');
$xml .= clb_tag('response', '', '', array_merge(array('type' => 'centre'), array_intersect_key($rec, array('lat' => 0, 'lng' => 0)))) . "\n";
$xml .= refesh_marker($db, $table, $pnum);
$xml .= marker_bubble($db, $spec, $table, $pnum);
}
break;
case 'route_list':
//shows bubble on station showing list of routes
$html = '';
//find the route table and which field(s) hold the stop list
$route_flds = '';
foreach ($editor_tables as $route_tab => $info) {
if ($route_flds = clb_val(FALSE, $info, 'routes')) {
break;
}
}
if (!$route_flds) {
break;
}
$route_flds = explode('/', $route_flds);
//can be more than one field with '/' as a separator
//build query to get route list
$select = clb_val(FALSE, $editor_tables, $route_tab, 'select');
$where = array();
foreach ($route_flds as $fld) {
$where[] = ' (`' . $fld . '` LIKE ' . clb_escape('%' . $pnum . '%') . ')';
}
$query = 'SELECT ' . clb_join(array_merge($select, $route_flds), '`') . ' FROM ' . $route_tab . ' WHERE ' . join(' OR ', $where);
$sel = $db->get_results($query, ARRAY_A);
if (clb_count($sel) == 0) {
$msg = 'There are no routes for node: ' . $pnum;
} else {
$list = '';
$alt = 0;
foreach ($sel as $rec) {
foreach ($route_flds as $pos => $fld) {
$rnum = reset($rec);
$route_key = key($rec);
$script = 'map_ajax(the_map, \'show_route\', {\'pnum\':\'' . $rnum . '\',\'fld\':\'' . $fld . '\', \'stop\':\'' . $pnum . '\'});';
$name = $rnum . ':' . $pos . ': ' . clb_val(FALSE, $rec, 'title');
$list .= clb_tag('li', '', clb_tag('a', $name, '', array('onclick' => $script, 'href' => 'javascript:void(0);')), array('class' => 'alt' . $alt++ % 2));
}
}
$html .= clb_tag('ul', '', $list, array('class' => 'route_list')) . "\n";
$form = clb_tag('form', '', $html, array('id' => 'info_win', 'action' => '', 'method' => 'get', 'onsubmit' => 'return false;')) . "\n";
$xml .= clb_tag('response', '', htmlspecialchars($form), array('type' => 'bubble', 'pnum' => $pnum)) . "\n";
}
break;
case 'new_route':
//create new route
//create new route
case 'route_stop':
//add stop to route
//add stop to route
case 'route_unstop':
//remove stop from route
//remove stop from route
case 'show_route':
//show route
// qlog(__LINE__, $table, $pnum, $spec);
require_once CODE_DIR . 'pline_lib.php';
//scan tables to find routes
foreach ($editor_tables as $table => $info) {
if ($routes = clb_val(FALSE, $info, 'routes')) {
break;
}
}
if (!$routes) {
break;
}
//did not find route table
$routes = explode('/', $routes);
$route_tab = $table;
$select = clb_val(FALSE, $editor_tables, $route_tab, 'select');
$route_key = reset($select);
$stops = FALSE;
$new_route = 'new_route' == $ajax;
if ($new_route) {
$fld = reset($routes);
$newstop = $pnum;
$stopindex = 0;
$list = '';
$title = clb_val(FALSE, $_REQUEST, 'title');
$pnum = new_pnum($db, $table, $route_key);
$ajax = 'route_stop';
} else {
$stopindex = clb_val(FALSE, $_REQUEST, 'stopindex');
//this only come with route_stop and route_unstop
$newstop = clb_val(FALSE, $_REQUEST, 'newstop');
//this only come with route_stop
$fld = clb_val(FALSE, $_REQUEST, 'fld');
$select = array_merge($select, $routes);
//select route record
$query = 'SELECT ' . clb_join($select, '`') . ' FROM ' . $route_tab . ' WHERE ' . $route_key . '=' . clb_escape($pnum);
$sel = $db->get_results($query, ARRAY_A);
$rec = clb_count($sel) ? reset($sel) : FALSE;
$list = clb_val(FALSE, $rec, $fld);
$ptype = clb_val(FALSE, $rec, 'ptype');
$title = clb_val(FALSE, $rec, 'title');
//if (empty($list) && (reset($routes) == $fld) && ($fld
if (empty($list)) {
$newstop = clb_val(FALSE, $_REQUEST, 'stop');
$stopindex = 0;
$ajax = 'route_stop';
}
}
if (preg_match_all('/^(\\w+)\\s+(.*)/m', $list, $m)) {
$stops = $m[1];
}
if (in_array($ajax, array('route_stop', 'route_unstop')) && is_numeric($stopindex)) {
if (!$stops) {
$stops = array(FALSE);
}
//ensure loop runs at least once
$new = '';
foreach ($stops as $i => $stop_pnum) {
if ('route_unstop' == $ajax && $i == $stopindex) {
continue;
}
//skip the stop that is to be deleted
//add the stop on this line
if ($stop_pnum) {
$new .= $m[1][$i] . ' ' . trim($m[2][$i]) . "\n";
}
//add new station if this is the right position
if ('route_stop' == $ajax && $i == $stopindex && $newstop) {
//find maker table via ptype
$table = clb_val(FALSE, $editor_types, $ptype, 'table');
$query = 'SELECT lat, lng, pnum, ptype, title FROM ' . $table . ' WHERE pnum=' . clb_escape($newstop);
$sel = $db->get_results($query, ARRAY_A);
if ($sel) {
$new .= $newstop . ' ' . clb_val('', reset($sel), 'title') . "\n";
}
}
}
if (preg_match_all('/^(\\w+)\\s+(.*)/m', $new, $m)) {
$stops = $m[1];
}
//if forward direction and changing last item update orig, dest and title
$rename = '';
if (reset($routes) == $fld && clb_count($stops) <= $stopindex + 2) {
$orig = reset($m[2]);
$dest = end($m[2]);
$rename .= ', title=' . clb_escape($orig . ' - ' . $dest);
$rename .= ', orig=' . clb_escape($orig);
$rename .= ', dest=' . clb_escape($dest);
}
if ($new_route) {
$query = 'SELECT area, count(*) AS c FROM ' . $route_tab . ' WHERE ptype=' . clb_escape($ptype) . ' GROUP BY area';
$sel = $db->get_results($query, ARRAY_A);
$area = is_array($sel) ? clb_val('', reset($sel), 'area') : '';
$query = '';
$query .= ', ' . $route_key . '=' . clb_escape($pnum);
$query .= ', area=' . clb_escape($area);
$query .= ', ptype=' . clb_escape($ptype);
$query .= ', ' . $fld . '=' . clb_escape($new);
$query .= ', created=' . clb_escape(clb_now_utc());
$query = 'INSERT INTO ' . $route_tab . ' SET ' . trim($query, ', ') . $rename;
} else {
$query = 'UPDATE ' . $route_tab . ' SET ' . $fld . '=' . clb_escape($new) . $rename . ' WHERE ' . $route_key . '=' . clb_escape($pnum);
}
$db->query($query);
}
if ($stops) {
$index = array_search(clb_val(FALSE, $_REQUEST, 'stop'), $stops);
//index of the stop we opened route from
if (is_numeric($stopindex)) {
$index = Min($stopindex + ($newstop ? 1 : 0), clb_count($stops) - 1);
}
//use new index if provided and add one if new stop
if (preg_match('/^(\\w+)_\\w+$/', reset($stops), $m)) {
$table = array_search($m[1], $prefixes);
$spec = clb_val(FALSE, $editor_tables, $table);
$points = array();
$names = array();
$pnums = array();
$query = 'SELECT lat, lng, pnum, ptype, title FROM ' . $table . ' WHERE pnum IN ' . clb_join($stops, TRUE);
$sel = $db->get_results($query, ARRAY_A);
//in theory could be multiple stop instances and need to give points in order so loop on $stops and look up record via xref
$xref = clb_column($sel, 'pnum');
if (clb_count($sel)) {
foreach ($stops as $stop_pnum) {
$rec = clb_val(FALSE, $sel, array_search($stop_pnum, $xref));
$points[] = array($rec['lat'], $rec['lng'], 0);
$names[] = str_replace('|', ',', $rec['title']);
$pnums[] = $rec['pnum'];
$rec['type'] = 'marker';
$xml .= clb_tag('response', '', '', $rec) . "\n";
$rec_count++;
}
}
foreach ($points as $i => $pt) {
if (!is_array($pt)) {
unset($points[$i]);
}
}
//remove non points if there are any
$line = pline_make($points, array('color' => '#FF0000'));
$line['names'] = join('|', $names);
$line['pnums'] = join('|', $pnums);
if ($line) {
$line = clb_join($line, '', '&', '=');
}
$attr = array('type' => 'route_pline', 'pnum' => $pnum, 'title' => $title, 'fld' => $fld, 'ptype' => $ptype, 'index' => $index);
if ($line) {
$xml .= clb_tag('response', '', htmlspecialchars($line), $attr) . "\n";
}
}
} else {
$msg = 'This route (in this direction) has no stops. ';
}
break;
case 'overlays':
if (clb_val(FALSE, $_REQUEST, 'zm') < 9) {
$msg = 'Zoom in to get markers to download.';
} else {
$rect = array();
$rect[] = 'lat >= ' . clb_val(FALSE, $_REQUEST, 'bot');
$rect[] = 'lng >= ' . clb_val(FALSE, $_REQUEST, 'lft');
$rect[] = 'lat <= ' . clb_val(FALSE, $_REQUEST, 'top');
$rect[] = 'lng <= ' . clb_val(FALSE, $_REQUEST, 'rgt');
$qtypes = preg_split('/;/', clb_val(FALSE, $_REQUEST, 'types'), -1, PREG_SPLIT_NO_EMPTY);
$tables = array();
foreach ($qtypes as $ptype) {
$tables[clb_val('bad', $editor_types, $ptype, 'table')][] = $ptype;
}
if (!count($qtypes)) {
$msg = 'No marker types selected.';
} else {
foreach ($tables as $table => $list) {
if ($table != 'bad' && count($list)) {
$prefix = clb_val(FALSE, $editor_tables, $table, 'prefix');
$types = preg_replace('/\\w+_/', '', clb_join($list, TRUE));
$query = '';
$query .= 'SELECT lat, lng, pnum, ptype, title FROM ' . $table . ' WHERE ';
$query .= ' ptype IN ' . $types . ' AND (' . join(' AND ', $rect) . ') ';
$sel = $db->get_results($query, ARRAY_A);
if (clb_count($sel)) {
foreach ($sel as $rec) {
$rec['type'] = 'marker';
if (!in_array($rec['ptype'], $list)) {
$rec['ptype'] = $prefix . '_' . $rec['ptype'];
}
$xml .= clb_tag('response', '', '', $rec) . "\n";
$rec_count++;
}
}
}
}
}
$msg = $rec_count ? count($sel) . ' markers loaded' : 'No markers found.';
if ('purge' == clb_val(FALSE, $_REQUEST, 'purge')) {
$xml .= clb_tag('response', '', '', array('type' => 'purge')) . "\n";
}
}
break;
case 'saveline':
require_once CODE_DIR . 'pline_lib.php';
//fall through
//fall through
case 'save':
//no real validation so just save and close
if (!$spec) {
$msg = 'could not identify the marker type.';
break;
}
//('polyline'=>'line', 'select'=>' lat, lng, pnum, ptype, title, line, aoe_data')
if ($new_mark) {
$pnum = new_pnum($db, $table);
}
//get field names and types
$def = array();
$sel = $db->get_results('describe ' . $table, ARRAY_A);
foreach ($sel as $rec) {
$def[$rec['Field']] = $rec['Type'];
}
/*
normally save line is handled by the normal save
but if we are saving a cut line, we need to save off the first part and
then use the normal save to create the latter part as a new record
dont cut on first or last point of line
*/
$points = FALSE;
if ('saveline' == $ajax) {
$points = pline_pts_arr(clb_val(FALSE, $_REQUEST, 'polyline'));
//the rest of this is only for cutting a line
if (($cut = clb_val(FALSE, $_REQUEST, 'cut')) && $cut + 1 < clb_count($points)) {
$first = array_slice($points, 0, $cut + 1);
//keep points up to and including cut
$points = array_slice($points, $cut);
//reduce points on and after cut for new record
$query = save_line_query($first, $spec);
$query .= '`' . 'lat' . '`=' . clb_escape($_REQUEST['lat']) . ',';
$query .= '`' . 'lng' . '`=' . clb_escape($_REQUEST['lng']) . ',';
$query .= '`' . 'end1' . '`=' . clb_escape($_REQUEST['end1']) . ',';
//adjusts mid point
$query .= '`' . 'end2' . '`=' . clb_escape($_REQUEST['end2']) . ',';
if ($new_mark) {
$query .= '`' . 'pnum' . '`=' . clb_escape($pnum) . ',';
$query .= '`' . 'ptype' . '`=' . clb_escape($ptype) . ',';
if (isset($def['created'])) {
$query .= '`' . 'created' . '`=' . clb_escape(clb_now_utc()) . ',';
}
$query = 'INSERT INTO ' . $table . ' SET ' . trim($query, ', ');
} else {
$query = 'UPDATE ' . $table . ' SET ' . trim($query, ', ') . ' WHERE pnum=' . clb_escape($pnum);
}
$res = $db->query($query);
$xml .= refesh_marker($db, $table, $pnum, $pnum);
unset($_REQUEST['pnum']);
//clear this so that the new marker does not remove the repositioned marker
$pnum = new_pnum($db, $table);
//new pnum for marker
$new_mark = TRUE;
}
}
$query = '';
if ('saveline' == $ajax && is_array($points)) {
$query .= save_line_query($points, $spec);
}
foreach ($def as $fld => $type) {
switch ($fld) {
case 'pnum':
if ($new_mark) {
$query .= '`' . $fld . '`=' . clb_escape($pnum) . ',';
}
break;
case 'created':
if ($new_mark) {
$query .= '`' . $fld . '`=' . clb_escape(clb_now_utc()) . ',';
}
break;
case 'ptype':
$query .= '`' . $fld . '`=' . clb_escape($ptype) . ',';
break;
default:
if (isset($_REQUEST[$fld])) {
$query .= '`' . $fld . '`=' . clb_escape($_REQUEST[$fld]) . ',';
}
break;
}
}
qlog(__LINE__, $query);
if ($new_mark) {
$query = 'INSERT INTO ' . $table . ' SET ' . trim($query, ', ');
}
if (!$new_mark) {
$query = 'UPDATE ' . $table . ' SET ' . trim($query, ', ') . ' WHERE pnum=' . clb_escape($pnum);
}
$res = $db->query($query);
//when saving a marker remember the type to be used as the default for next new marker.
$name = clb_val(FALSE, $spec, 'polyline') ? 'type_line' : 'type_mark';
$xml .= clb_tag('response', '', $ptype, array('type' => 'state', 'pnum' => $name)) . "\n";
//pnum is the "id" name is the "id" of the state we are setting
$xml .= refesh_marker($db, $table, $pnum, clb_val(FALSE, $_REQUEST, 'pnum'));
//want to fall through to show a bubble if saving a line
//so break when either condition fails
if ('saveline' == $ajax) {
$xml .= marker_bubble($db, $spec, $table, $pnum);
}
break;
case 'bubble':
if (!$spec || !$pnum) {
$msg = 'could not identify the marker type.';
break;
}
$xml .= marker_bubble($db, $spec, $table, $pnum);
break;
case 'delete':
$query = 'DELETE FROM ' . $table . ' WHERE pnum=' . clb_escape($pnum);
$sel = $db->query($query);
//remove old marker, which closes info box
$xml .= clb_tag('response', '', '', array('type' => 'remove', 'pnum' => $_REQUEST['pnum'])) . "\n";
break;
}
if ($ajax) {
if ($msg) {
$xml .= clb_tag('response', $msg, '', array('type' => 'info')) . "\n";
}
if (!$xml) {
$xml .= clb_tag('response', '', '', array('type' => 'null')) . "\n";
}
// qlog(__LINE__, $xml);
clb_response('xml', $xml);
}
}
}
$times = array_keys($stopsegs['stoppnums'], $stoppnum);
if (count($times) > 1) {
$dupes[] = $stoppnum;
}
}
echo join(', ', $dupes);
break;
case 12:
$pnum1 = 'QNUBNAP';
$pnum2 = 'RABITVK';
$set = array();
$set['modified'] = 'NOW()';
$set['name'] = clb_escape('<>');
$set['ptype'] = clb_escape('rail');
$set['pnum'] = clb_escape(new_pnum('links'));
$set['created'] = 'NOW()';
$set['end1'] = clb_escape($pnum1);
$set['end2'] = clb_escape($pnum2);
$query = 'INSERT INTO links SET ' . clb_join($set, '"', ',', '=');
do_query($query, __FILE__, __LINE__);
qpre($set);
case 'test':
//arrays connecting nodes to raw segs
$data = file_get_contents($map_path, FILE_BINARY);
$stopsegs = clb_blob_dec($data);
$best = array('8OPGJHWH');
$aoe_data = splice_links($best, 'IEIQTRQ', 'DAKSXUO', $stopsegs);
$polyline = make_polyline($aoe_data, array('color' => '#0000FF'));
qpre($aoe_data);
//remove any unused points from the points list and save as a structure
