X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=js%2Fpz2.js;h=bfec8426096f5657ec2ed9148eb08dd2d7d6a699;hb=c7e28063b2365987df7adc35db6786732b8e233f;hp=046b29b4925e50748b0505e4ea009fe27fd50b51;hpb=15e9bebbd9771c793e9ecf42bcaab72c696c25b8;p=pazpar2-moved-to-github.git

diff --git a/js/pz2.js b/js/pz2.js
index 046b29b..bfec842 100644
--- a/js/pz2.js
+++ b/js/pz2.js
@@ -1,5 +1,5 @@
 /*
-** $Id: pz2.js,v 1.35 2007-06-13 17:20:17 jakub Exp $
+** $Id: pz2.js,v 1.43 2007-07-02 20:55:07 adam Exp $
 ** pz2.js - pazpar2's javascript client library.
 */
 
@@ -30,20 +30,25 @@ var pz2 = function(paramArray) {
 
     //supported pazpar2's protocol version
     __myself.suppProtoVer = '1';
-    __myself.pz2String = "search.pz2";
+    __myself.pz2String = paramArray.pazpar2path || "search.pz2";
     __myself.stylesheet = paramArray.detailstylesheet || null;
-
+    __myself.useSessions = true;
+    if (paramArray.usesessions != undefined) {
+         __myself.useSessions = paramArray.usesessions;
+    }
+	
     //load stylesheet if required in async mode
     if( __myself.stylesheet ) {
         var request = new pzHttpRequest( __myself.stylesheet );
+        request.async = false;
         request.get(
-                {},
+                [],
                 function ( doc ) {
                     __myself.xslDoc = doc;
                 }
         );
     }
-
+	
     // at least one callback required
     if ( !paramArray )
         throw new Error("An array with parameters has to be suplied when instantiating a class");
@@ -134,12 +139,12 @@ pz2.prototype =
     init: function ( sessionId ) 
     {
         __myself.reset();
+
         if ( sessionId != undefined ) {
             __myself.initStatusOK = true;
             __myself.sessionID = sessionId;
             __myself.ping();
-
-        } else {
+        } else if (__myself.useSessions) {
             var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
             request.get(
                 { "command": "init" },
@@ -157,7 +162,9 @@ pz2.prototype =
                         setTimeout("__myself.init()", 1000);
                 }
             );
-        }
+        } else {
+            __myself.initStatusOK = true;
+	}
     },
     // no need to ping explicitly
     ping: function () 
@@ -200,10 +207,11 @@ pz2.prototype =
         else
             throw new Error("You need to supply query to the search command");
 
-        if( filter !== undefined )
-            var searchParams = { "command": "search", "session": __myself.sessionID, "query": __myself.currQuery, "filter": filter };
-        else
-            var searchParams = { "command": "search", "session": __myself.sessionID, "query": __myself.currQuery };
+	var searchParams = { "command": "search", "query": __myself.currQuery, "session": __myself.sessionID };
+	
+        if (filter !== undefined)
+	    searchParams["filter"] = filter;
+        
         var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
         request.get(
             searchParams,
@@ -344,24 +352,35 @@ pz2.prototype =
             }
         );
     },
-    record: function(id)
+    record: function(id,offset)
     {
-        if( !__myself.searchStatusOK )
+        if( !__myself.searchStatusOK && __myself.useSessions)
             return;
 
         if( id !== undefined )
             __myself.currRecID = id;
         var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+
+	var recordParams = { "command": "record", "session": __myself.sessionID, "id": __myself.currRecID };
+	if (offset !== undefined) {
+		recordParams["offset"] = offset;
+		recordParams["syntax"] = "usmarc";
+		recordParams["esn"] = "F";
+	}
+	__myself.currRecOffset = offset;
         request.get(
-            { "command": "record", "session": __myself.sessionID, "id": __myself.currRecID },
+	    recordParams,
             function(data) {
                 var recordNode;
                 var record = new Array();
-                if ( recordNode = data.getElementsByTagName("record")[0] ) {
+                record['xmlDoc'] = data;
+		if (__myself.currRecOffset !== undefined) {
+                    record['offset'] = __myself.currRecOffset;
+                    __myself.recordCallback(record);
+                } else if ( recordNode = data.getElementsByTagName("record")[0] ) {
                     // if stylesheet was fetched do not parse the response
                     if ( __myself.xslDoc ) {
                         record['recid'] = recordNode.getElementsByTagName("recid")[0].firstChild.nodeValue;
-                        record['xmlDoc'] = data;
                         record['xslDoc'] = __myself.xslDoc;
                     } else {
                         for ( i = 0; i < recordNode.childNodes.length; i++) {
@@ -562,15 +581,15 @@ pzHttpRequest.prototype =
     _urlAppendParams: function (params)
     {
         var getUrl = this.url;
-        var paramArr = new Array();
 
-        for ( var key in params ) {
-            paramArr.push(key + '=' + encodeURI(params[key]) );
+	var sep = '?';
+        var el = params;
+        for (var key in el) {
+            if (el[key] != null) {
+                getUrl += sep + key + '=' + encodeURI(el[key]);
+                sep = '&';
+            }
         }
-
-        if ( paramArr.length )
-            getUrl += '?' + paramArr.join('&');
-
         return getUrl;
     },
 
@@ -634,6 +653,10 @@ pzQuery.prototype = {
         this.simpleFilter = null;
         this.numTerms = 0;
     },
+    clearSimpleQuery: function()
+    {
+        this.simpleQuery = '';
+    },
     addTerm: function(field, value)
     {
         var term = {"field": field, "value": value};