チェンジセット 329

更新日時:

2009/11/18 19:42:00 (10 か月 前)

更新者:

ngs

ログメッセージ:

implement cache

ファイル:

• trunk/jspreadsheet/jspreadsheet.js (変更) (5 diff)

trunk/jspreadsheet/jspreadsheet.js

@@ -14 +14 @@
         };
         var reqId = 0;
+        var cache = {};
         
         function getRandom(length) {
@@ -34 +35 @@
         
         function ss(url,param) {
-
                 param = $.extend(DEFAULT_PARAM,param);
                 var _query;
@@ -73 +73 @@
                 }
                 
-                function send(callback) {
+                function send(callback,nocache) {
+                        var cacheKey1 = encodeURIComponent(url);
+                        var cacheKey2 = encodeURIComponent(_query||"__NO_QUERY__");
+                        cache[cacheKey1] = cache[cacheKey1]||{};
                         var tqx = "";
                         var rid = reqId++;
@@ -79 +82 @@
                                 var handlerName = CALLBACK_PREFIX+getRandom(20);
                         } while(window[handlerName]);
-                        window[handlerName] = function(res){
-                                if(res.reqId==rid.toString()) complete(res,callback);
+                        function cb(res){
+                                if(res.reqId==rid.toString()) {
+                                        if(res.table) {
+                                                cache[cacheKey1][cacheKey2] = res;
+                                        }
+                                        complete(res,callback);
+                                }
                                 setTimeout(function(){
                                         try {
@@ -87 +95 @@
                                 },1);
                         };
+                        if(!nocache&&cache[cacheKey1][cacheKey2]) {
+                                complete(cache[cacheKey1][cacheKey2],callback);
+                                return;
+                        }
+                        window[handlerName] = cb;
                         param.responseHandler = handlerName;
                         param.reqId = rid;