- Initial Commit.

uri_helper

@@ -0,0 +1,137 @@
+var URI = {
+
+        // To Get list of URL params.
+        getParams: function (byString) {
+
+            if (byString) {
+                // Return param list as String.
+                return location.search.substr(1).split("&");
+            } else {
+                var queryDict = {};
+                // To loop the params.
+                location.search.substr(1).split("&").forEach(function (item) {
+                    // Make Object of Params.
+                    queryDict[item.split("=")[0]] = item.split("=")[1]
+                });
+                return queryDict;
+            }
+        },
+        // To Remove Param From URI.
+        removeParam: function (list) {
+
+            // To Check the type is Object or Not.
+            if (typeof list != 'object') return false;
+            // To Get list of Params.
+            var core_list = this.getParams();
+            // To Count the Params to check existance.
+            var count = this.objCount(core_list);
+            // If No params exist, then return false.
+            if (count <= 0) return false;
+
+            // Make Updated_list as Core List.
+            var updated_list = core_list;
+
+            // Generate Update List by eliminating the element list.
+            for (var i = 0; i < list.length; i++) {
+                // Remove the list of elements, one by one.
+                delete updated_list[list[i]];
+            }
+
+            var newQuery = '?';
+            // To Form New and Updated Query.
+            for (var i in updated_list) {
+                newQuery += i + '=' + updated_list[i] + '&';
+            }
+
+            // To Update the URI.
+            window.history.pushState('', 'Title', newQuery.slice(0, -1));
+        },
+        // To Go to Next Page.
+        nextPage: function () {
+            // To Get the actual value of "page"
+            var page = this.getParameterByName('page');
+            if (!page) {
+                page = 0;
+            }
+            page++;
+            // Update the Param "page" value.
+            this.replaceParam('page', page);
+        },
+        // To Go back to Previous Page.
+        prevPage: function () {
+            // To Get the actual value of "page"
+            var page = this.getParameterByName('page');
+            if (!page) {
+                page = 0;
+            }
+
+            if (page != 0) {
+                page--;
+            }
+
+            // Update the Param "page" value.
+            this.replaceParam('page', page);
+        },
+        // Sanity check of param.
+        isParamExists: function (param) {
+            // To extract the URI from URL.
+            var paramString = location.search.substr(1);
+            // Return, param is exist or not.
+            return (paramString.indexOf(param + '=') !== -1);
+        },
+        // To Replace | Append | Create param.
+        replaceParam: function (param, value) {
+
+            // To extract the URI from URL.
+            var queryString = location.search.substr(1);
+
+            // To Find the Matched element.
+            var total = queryString.match(/[a-z\d]+=[a-zA-Z\d]+/gi);
+
+            // Form New Param with Value.
+            var newValue = param + '=' + value;
+            // Form Old Param with Value.
+            var oldValue = param + '=' + this.getParameterByName(param);
+
+            // To Check have param or not.
+            if (this.objCount(total) > 0) {
+                // To Check, whether param is exist or not.
+                if (this.isParamExists(param)) {
+                    // To Update the Value, If param already exist.
+                    queryString = '?' + queryString.replace(oldValue, newValue);
+                } else {
+                    // To Create New Param, If not exist.
+                    queryString = '?' + queryString + '&' + newValue;
+                }
+            } else {
+                // To Create First param, If no param exist.
+                queryString = '?' + newValue;
+            }
+            // To update to the URI.
+            window.history.pushState('', 'Title', queryString);
+
+            return queryString;
+        },
+        // To Count number of object elements.
+        objCount: function (object) {
+            var length = 0;
+            for (var key in object) {
+                if (object.hasOwnProperty(key)) {
+                    ++length;
+                }
+            }
+            return length;
+        },
+        // To Get Parameter by its Name [ex. ?page=123, function('page') => 123]
+        getParameterByName: function (name, url) {
+            if (!url) {
+                url = window.location.href;
+            }
+            name = name.replace(/[\[\]]/g, "\\$&");
+            var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+                results = regex.exec(url);
+            if (!results) return null;
+            if (!results[2]) return '';
+            return decodeURIComponent(results[2].replace(/\+/g, " "));
+        }
+    };