[fusion-commits] r1788 - trunk/layers/MapServer/php

[svn_fusion at osgeo.org]

Author: pdeschamps
Date: 2009-02-13 17:28:02 -0500 (Fri, 13 Feb 2009)
New Revision: 1788

Added:
   trunk/layers/MapServer/php/Maptip.php
Log:
added Maptip handeler for Mapserver


Added: trunk/layers/MapServer/php/Maptip.php
===================================================================
--- trunk/layers/MapServer/php/Maptip.php	                        (rev 0)
+++ trunk/layers/MapServer/php/Maptip.php	2009-02-13 22:28:02 UTC (rev 1788)
@@ -0,0 +1,150 @@
+<?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 Layer Name*/
+if ($_REQUEST['layer'] != '') {
+    $aLayer = split(",",$_REQUEST['layer']);
+}
+
+/* The Label*/
+if ($_REQUEST['layer'] != '') {
+    $aLabel = split(",",$_REQUEST['label']);
+}
+
+/* The Feature Attribute Name used for the text of the map tip */
+if ($_REQUEST['textfield'] != '') {
+    $aMapTipTextField = split(",",$_REQUEST['textfield']);
+}
+/* The Feature Attribute Name used for the URL of the map tip */
+if ($_REQUEST['customURL'] != '') {
+    $aMapTipURL = split(",",$_REQUEST['customURL']);
+}
+/* The Map Name */
+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;
+
+   // header('Content-type: text/x-json');
+   // header('X-JSON: true');
+
+if (!isset($mapName)) {
+    die("{'error':'mapname not set'}");
+}
+if (isset($_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);
+    }
+    
+    $aMapTips = array();
+    $aURL = array();
+    $aTipLabel = array();
+    foreach($aLayer as $key=>$layer){
+        $oLayer = $oMap->GetLayerByName($layer);
+
+        $oLayer->set('tolerance', 0);
+
+        if ($oLayer->type ==  MS_LAYER_RASTER || $oLayer->type == MS_LAYER_QUERY ||
+                $oLayer->type ==  MS_LAYER_CIRCLE ||  $oLayer->type == MS_LAYER_CHART) {
+                die("{'error':'maptips are only valid for vector layers'}");
+            }
+
+
+        if (@$oLayer->queryByShape($oSpatialFilter) == MS_SUCCESS) {
+
+            $oRes = $oLayer->getResult(0);
+            $oLayer->open();
+
+            $oShape = $oLayer->getShape($oRes->tileindex,$oRes->shapeindex);
+           
+            $szMapTipText .= $oLayer->name." : ".$oShape->values[$aMapTipTextField[$key]].$szBreak;
+
+            $szLabels = $aLabel[$key];
+
+            $szMapTip  = $oShape->values[$aMapTipTextField[$key]];
+            $szURL = buildCustonUrl($oShape->values,$aMapTipURL[$key]);
+
+            $szMapTip = $szMapTip != "undefined" ? $szMapTip : "";
+            $szURL = $szURL != "undefined" ? $szURL : "";
+            $szLabels = $szLabels != "undefined" ? $szLabels : "";
+            
+
+            array_push($aMapTips, $szMapTip);
+            array_push($aURL, $szURL);
+            array_push($aTipLabel,$szLabels);
+            
+            $oLayer->close();
+        }
+    }
+
+echo "{'maptips':".var2json($aMapTips).",'url':".var2json($aURL).",'label':".var2json($aTipLabel)."}";
+
+
+}
+else
+{
+echo "{'maptips':'','url':'','label':''}";
+}
+
+function buildCustonUrl($aValues,$url){
+
+    if($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;
+    }
+    else
+    {
+    return "";
+    }
+}
+
+?>