https://www.grantforward.com/public/js/part/search/sponsor_filter/DataHandlers.js?v=285

1var SponsorFilterDataHandlers = SponsorFilterDataHandlers || function(rootOb) {
2  var me = this;
3
4  me.sponsorAjax = null;
5
6  var dataHandler = {
7    syncToQueryObject: function() {
8      rootOb.query.remove_advanced('sponsor_id');
9      //include
10      for (var item in rootOb.selectedContent) {
11        if (!rootOb.selectedContent.hasOwnProperty(item)) {
12            continue
13        }
14        rootOb.query.add_advanced('sponsor_id', item, rootOb.selectedContent[item]? '=':'!=');
15      }
16    },
17    addSponsorEntry: function(sponsor, callback) {
18      //add to selected entry
19      rootOb.selectedContent[sponsor] = rootOb.currentContext.itemValue;
20      //check selected entry number to display/hide clear button
21      rootOb.renderer.renderButtonByStatus();
22      //add to query
23      dataHandler.syncToQueryObject();
24      //if call back then call back
25      if (typeof(callback) == 'function') {
26        callback();
27      }
28    },
29    removeSponsorEntry: function(sponsor, callback) {
30      //remove from selected entry
31      if (typeof(rootOb.selectedContent[sponsor]) != 'undefined') {
32        delete rootOb.selectedContent[sponsor];
33      }
34      //check selected entry number to display/hide clear button
35      rootOb.renderer.renderButtonByStatus();
36      //remove from query
37      dataHandler.syncToQueryObject();
38      //if call back then call back
39      if (typeof(callback) == 'function') {
40        callback();
41      }
42    },
43    loadSponsorPage: function(page, beforeCallback, successCallback, noDataCallback, errorCallback, completeCallback, parentId, parentName, direction) {
44      if ( direction == '__top__' ){
45        rootOb.cacheLevel = 0;
46      }else{
47        if (direction == 'down') {
48          rootOb.cacheLevel++;
49        } else if (direction == 'up') {
50          rootOb.cacheLevel--;
51        }
52      }
53      if (direction) {
54        if (direction == '__top__' || direction == 'up') {
55          rootOb.filterQuery = rootOb.cache[rootOb.cacheLevel].submitData;
56          parentName = rootOb.cache[rootOb.cacheLevel].parentName;
57          page = rootOb.cache[rootOb.cacheLevel].page || 1;
58        } else {
59          rootOb.filterQuery = {
60            parent_id: parentId,
61            alphabet: '',
62            negative: '',
63            positive: '',
64            sname: '',
65          }
66        }
67        rootOb.elm('popup.filter.type').val(rootOb.filterQuery.positive);
68        rootOb.elm('popup.filter.name').val(rootOb.filterQuery.sname);
69      }
70      rootOb.filterQuery.offset = (page - 1) * rootOb.config.SPONSOR_PER_PAGE;
71      //save cache
72      rootOb.cache[rootOb.cacheLevel] = {
73        submitData: rootOb.filterQuery,
74        parentName: parentName,
75        page: page
76      };
77      rootOb.renderer.renderChildNav();
78      
79      if ( me.sponsorAjax !== null ){
80        me.sponsorAjax.abort();
81      }
82
83      me.sponsorAjax = $.ajax({
84        type: "GET",
85        url: "/sponsor/get_sponsor_list",
86        data: {
87          inputData: JSON.stringify({
88            offset: rootOb.filterQuery.offset || 0,
89            limit: rootOb.config.SPONSOR_PER_PAGE || 5,
90            parent_id: rootOb.filterQuery.parent_id || '',
91            alphabet: rootOb.filterQuery.alphabet || '',
92            negative: rootOb.filterQuery.negative || '',
93            positive: rootOb.filterQuery.positive || '',
94            name: rootOb.filterQuery.sname || '',
95          })
96        },
97        beforeSend: function() {
98          if (typeof(beforeCallback) == 'function') {
99            beforeCallback();
100          }
101        },
102        dataType: 'json',
103        success: function(response) {
104          if (response.status==1 && response.items && response.items.length > 0) { //1 means success
105            if (typeof(successCallback) == 'function') {
106              successCallback(response.items, response.count, page);
107            }
108          } else {
109            //failure_code
110            if (typeof(noDataCallback) == 'function') {
111              noDataCallback();
112            }
113          }
114        },
115        error: function() {
116          //error_code
117          if (typeof(errorCallback) == 'function') {
118            errorCallback();
119          }
120        },
121        complete: function() {
122          if (typeof(completeCallback) == 'function') {
123            completeCallback();
124          }
125        }
126      });
127    },
128    removeAll: function() {
129      var keepList = {};
130      for (var item in rootOb.selectedContent) {
131        if (!rootOb.selectedContent.hasOwnProperty(item)) {
132          continue;
133        }
134        if (rootOb.selectedContent[item] != rootOb.currentContext.

134itemValue) {
135          keepList[item] = rootOb.selectedContent[item];
136        }
137      }
138      rootOb.selectedContent = jQuery.extend(true, {}, keepList);
139      rootOb.renderer.renderAllTags();
140      //check selected entry number to display/hide clear button
141      rootOb.renderer.renderButtonByStatus();
142      dataHandler.syncToQueryObject();
143    },
144    resetSponsorPageState: function() {
145      rootOb.cacheLevel = 0;
146      rootOb.cache = [];
147      rootOb.filterQuery = {
148        sname: '',
149        negative: '',
150        alphabet: '',
151        positive: '',
152        parent_id: ''
153      }
154    }
155  };
156  return dataHandler;
157};