Annoying flickering of facets (after clicking) removed.

[pazpar2-moved-to-github.git] / js / pz2.js

diff --git a/js/pz2.js b/js/pz2.js
index c503b7c..ff5ca24 100644 (file)
--- a/js/pz2.js
+++ b/js/pz2.js
@@ -1,6 +1,28 @@
+/*
+** $Id: pz2.js,v 1.5 2007-04-03 14:27:21 jakub Exp $
+** pz2.js - pazpar2's javascript client library.
+*/
+
+//since explorer is flawed
+if (!window['Node']) {
+    window.Node = new Object();
+    Node.ELEMENT_NODE = 1;
+    Node.ATTRIBUTE_NODE = 2;
+    Node.TEXT_NODE = 3;
+    Node.CDATA_SECTION_NODE = 4;
+    Node.ENTITY_REFERENCE_NODE = 5;
+    Node.ENTITY_NODE = 6;
+    Node.PROCESSING_INSTRUCTION_NODE = 7;
+    Node.COMMENT_NODE = 8;
+    Node.DOCUMENT_NODE = 9;
+    Node.DOCUMENT_TYPE_NODE = 10;
+    Node.DOCUMENT_FRAGMENT_NODE = 11;
+    Node.NOTATION_NODE = 12;
+}
 // check for jQuery
-if(typeof window.jQuery == "undefined")
+if(typeof window.jQuery == "undefined"){
     throw new Error("pz2.js requires jQuery library");
+}
 // prevent execution of more than once
 if(typeof window.pz2 == "undefined") {
 window.undefined = window.undefined;
@@ -49,13 +71,18 @@ var pz2 = function(paramArray) {
     //timers
     __myself.statTime = paramArray.stattime || 2000;
     __myself.statTimer = null;
-    __myself.termTime = paramArray.termtime || 2000;
+    __myself.termTime = paramArray.termtime || 1000;
     __myself.termTimer = null;
-    __myself.showTime = paramArray.showtime || 2000;
+    __myself.showTime = paramArray.showtime || 1000;
     __myself.showTimer = null;
     __myself.bytargetTime = paramArray.bytargettime || 1000;
     __myself.bytargetTimer = null;
 
+    //useful?
+    __myself.dumpFactor = 500;
+    __myself.showCounter = 0;
+    __myself.termCounter = 0;
+
     // active clients, updated by stat and show
     // might be an issue since bytarget will poll accordingly
     __myself.activeClients = 1;
@@ -70,7 +97,7 @@ var pz2 = function(paramArray) {
     // auto init session?
     if (paramArray.autoInit !== false)
         __myself.init(__myself.keepAlive);
-}
+};
 pz2.prototype = {
     init: function(keepAlive) 
     {
@@ -88,7 +115,7 @@ pz2.prototype = {
                 else
                     // if it gets here the http return code was 200 (pz2 errors are 417)
                     // but the response was invalid, it should never occur
-                    setTimeout("__myself.init()", 1000)
+                    setTimeout("__myself.init()", 1000);
             }
         );
     },
@@ -109,7 +136,7 @@ pz2.prototype = {
                 else
                     // if it gets here the http return code was 200 (pz2 errors are 417)
                     // but the response was invalid, it should never occur
-                    setTimeout("__myself.ping()", 1000)
+                    setTimeout("__myself.ping()", 1000);
             }
         );
     },
@@ -119,7 +146,10 @@ pz2.prototype = {
         clearTimeout(__myself.showTimer);
         clearTimeout(__myself.termTimer);
         clearTimeout(__myself.bytargetTimer);
-
+        
+        __myself.showCounter = 0;
+        __myself.termCounter = 0;
+        
         if( !__myself.initStatusOK )
             return;
         
@@ -139,12 +169,12 @@ pz2.prototype = {
                 if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
                     __myself.searchStatusOK = true;
                     //piggyback search
-                    __myself.show(0, num, sort)
+                    __myself.show(0, num, sort);
                     if ( __myself.statCallback )
                         __myself.statTimer = setTimeout("__myself.stat()", __myself.statTime / 2);
                     if ( __myself.termlistCallback )
-                        __myself.termlist();
-                        //__myself.termTimer = setTimeout("__myself.termlist()", __myself.termTime / 2);
+                        //__myself.termlist();
+                        __myself.termTimer = setTimeout("__myself.termlist()", __myself.termTime / 2);
                     if ( __myself.bytargetCallback )
                         __myself.bytargetTimer = setTimeout("__myself.bytarget()", __myself.bytargetTime / 2);
                 }
@@ -179,7 +209,7 @@ pz2.prototype = {
                     "idle": Number( data.getElementsByTagName("idle")[0].childNodes[0].nodeValue ),
                     "failed": Number( data.getElementsByTagName("failed")[0].childNodes[0].nodeValue ),
                     "error": Number( data.getElementsByTagName("error")[0].childNodes[0].nodeValue )
-                    }
+                    };
                     __myself.statCallback(stat);
                     if (activeClients > 0)
                         __myself.statTimer = setTimeout("__myself.stat()", __myself.statTime); 
@@ -187,7 +217,7 @@ pz2.prototype = {
                 else
                     // if it gets here the http return code was 200 (pz2 errors are 417)
                     // but the response was invalid, it should never occur
-                    __myself.statTimer = setTimeout("__myself.stat()", __myself.statTime / 4)
+                    __myself.statTimer = setTimeout("__myself.stat()", __myself.statTime / 4);
             }
         );
     },
@@ -220,7 +250,7 @@ pz2.prototype = {
                     "start": Number( data.getElementsByTagName("start")[0].childNodes[0].nodeValue ),
                     "num": Number( data.getElementsByTagName("num")[0].childNodes[0].nodeValue ),
                     "hits": []
-                    }
+                    };
                     // parse all the first-level nodes for all <hit> tags
                     var hits = data.getElementsByTagName("hit");
                     var hit = new Array();
@@ -235,8 +265,9 @@ pz2.prototype = {
                         }
                     }
                     __myself.showCallback(show);
+                    __myself.showCounter++;
                     if (activeClients > 0)
-                        __myself.showTimer = setTimeout("__myself.show()", __myself.showTime);
+                        __myself.showTimer = setTimeout("__myself.show()", (__myself.showTime + __myself.showCounter*__myself.dumpFactor));
                 }
                 else
                     // if it gets here the http return code was 200 (pz2 errors are 417)
@@ -302,7 +333,7 @@ pz2.prototype = {
             { "command": "termlist", "session": __myself.sessionID, "name": __myself.termKeys },
             function(data) {
                 if ( data.getElementsByTagName("termlist") ) {
-                    var termList = { "activeclients": Number( data.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue ) }
+                    var termList = { "activeclients": Number( data.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue ) };
                     var termLists = data.getElementsByTagName("list");
                     //for each termlist
                     for (i = 0; i < termLists.length; i++) {
@@ -313,8 +344,8 @@ pz2.prototype = {
                         for (j = 0; j < terms.length; j++) { 
                             var term = {
                                 "name": terms[j].getElementsByTagName("name")[0].childNodes[0].nodeValue,
-                                "freq": terms[j].getElementsByTagName("frequency")[0].childNodes[0].nodeValue,
-                            }
+                                "freq": terms[j].getElementsByTagName("frequency")[0].childNodes[0].nodeValue
+                            };
 
                             var termIdNode = terms[j].getElementsByTagName("id");
                             if(terms[j].getElementsByTagName("id").length)
@@ -323,9 +354,11 @@ pz2.prototype = {
                             termList[listName][j] = term;
                         }
                     }
+
                     __myself.termlistCallback(termList);
+                    __myself.termCounter++;
                     if (termList["activeclients"] > 0)
-                        __myself.termTimer = setTimeout("__myself.termlist()", __myself.termTime); 
+                        __myself.termTimer = setTimeout("__myself.termlist()", (__myself.termTime + __myself.termCounter*__myself.dumpFactor)); 
                 }
                 else
                     // if it gets here the http return code was 200 (pz2 errors are 417)