[fusion-commits] r1701 - sandbox/msMapTip/layers/MapServer/php

[svn_fusion at osgeo.org]

Author: pdeschamps
Date: 2008-12-02 15:19:00 -0500 (Tue, 02 Dec 2008)
New Revision: 1701

Added:
   sandbox/msMapTip/layers/MapServer/php/MapTip.php
Log:
adding MapServer Maptip php code


Added: sandbox/msMapTip/layers/MapServer/php/MapTip.php
===================================================================
--- sandbox/msMapTip/layers/MapServer/php/MapTip.php	                        (rev 0)
+++ sandbox/msMapTip/layers/MapServer/php/MapTip.php	2008-12-02 20:19:00 UTC (rev 1701)
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Maptip
+ *
+
+ * Portions copyright (c) 2006, DM Solutions Group Inc.
+ * Portions copyright (c) 2008, ENPLAN
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*****************************************************************************
+ * Purpose: duplicate maptip functionality on mapserver
+ *****************************************************************************/
+
+/* set up the session */
+include(dirname(__FILE__).'/../../../common/php/Utilities.php');
+include(dirname(__FILE__).'/Common.php');
+include(dirname(__FILE__).'/Utilities.php');
+
+/* the name of the layer (only one) in the map to query */
+
+if ($_REQUEST['layer'] != '') {
+    $layer = $_REQUEST['layer'];
+} 
+if ($_REQUEST['textfield'] != '') {
+    $mapTipTextField = $_REQUEST['textfield'];
+}
+if ($_REQUEST['customURL'] != '') {
+    $mapTipURL = $_REQUEST['customURL'];
+}
+if ($_REQUEST['mapname'] != '') {
+    $mapname = $_REQUEST['mapname'];
+}
+/* selection is intersects only */
+$variant = 'intersects';
+
+
+/* a spatial filter in the form on a WKT geometry */
+$spatialFilter = (isset($_REQUEST['spatialfilter']) && $_REQUEST['spatialfilter'] != '') ? urldecode($_REQUEST['spatialfilter']) : false;
+//echo "spatial filter is $spatialFilter<BR>";
+
+if (!isset($mapName)) {
+    die('mapname not set');
+}
+if (isset($_SESSION['maps']) && isset($_SESSION['maps'][$mapName])) {
+    $oMap = ms_newMapObj($_SESSION['maps'][$mapName]);
+}
+
+/* add the spatial filter if provided.  It is expected to come as a
+   WKT string, so we need to convert it to a shape */
+if ($spatialFilter !== false ) {
+    $oSpatialFilter = ms_shapeObjFromWkt($spatialFilter);
+}
+
+$oLayer = $oMap->GetLayerByName($layer);
+
+$oLayer->set('tolerance', 0);
+
+if ($oLayer->type ==  MS_LAYER_RASTER || $oLayer->type == MS_LAYER_QUERY ||
+        $oLayer->type ==  MS_LAYER_CIRCLE ||  $oLayer->type == MS_LAYER_CHART) {
+        die('maptips are only valid for vector layers');
+    }
+
+//header('Content-type: text/x-json');
+//header('X-JSON: true');
+if (@$oLayer->queryByShape($oSpatialFilter) == MS_SUCCESS) {
+
+    $oRes = $oLayer->getResult(0);
+    $oLayer->open();
+
+    $oShape = $oLayer->getShape($oRes->tileindex,$oRes->shapeindex);
+
+    $mapTipLink = buildCustonUrl($oShape->values,$mapTipURL);
+
+    /*if (isset($mapTipLinkField)){
+        $mapTipLink = $oShape->getValue($oLayer, $mapTipLinkField);
+    }*/
+    echo "{mapTipText :'";
+    echo $oShape->values[$mapTipTextField];
+    echo "',mapTipLink:'";
+    echo $mapTipLink;
+    echo "'}";
+}else{
+echo "{mapTipText: '', mapTipLink: ''}";
+}
+
+$oLayer->close();
+
+function buildCustonUrl($aValues,$url){
+
+    $pattern = "/\[(.+?)\]/";
+    preg_match_all($pattern, $url, $values,PREG_PATTERN_ORDER);
+
+    if(is_array($values[0])){
+        foreach($values[0] as $key=>$item){
+            $url = str_replace($item,$aValues[$values[1][$key]],$url);
+        }
+    }
+    return $url;
+}
+
+?>