1 files changed, 145 insertions, 0 deletions
diff --git a/app/assets/javascripts/droplab/droplab_ajax_filter.js b/app/assets/javascripts/droplab/droplab_ajax_filter.js
new file mode 100644
index 00000000000..af163f76851
--- /dev/null
+++ b/app/assets/javascripts/droplab/droplab_ajax_filter.js
@@ -0,0 +1,145 @@
+/* eslint-disable */
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g=(g.droplab||(g.droplab = {}));g=(g.ajax||(g.ajax = {}));g=(g.datasource||(g.datasource = {}));g.js = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+/* global droplab */
+
+require('../window')(function(w){
+  w.droplabAjaxFilter = {
+    init: function(hook) {
+      this.destroyed = false;
+      this.hook = hook;
+      this.notLoading();
+
+      this.debounceTriggerWrapper = this.debounceTrigger.bind(this);
+      this.hook.trigger.addEventListener('keydown.dl', this.debounceTriggerWrapper);
+      this.hook.trigger.addEventListener('focus', this.debounceTriggerWrapper);
+      this.trigger(true);
+    },
+
+    notLoading: function notLoading() {
+      this.loading = false;
+    },
+
+    debounceTrigger: function debounceTrigger(e) {
+      var NON_CHARACTER_KEYS = [16, 17, 18, 20, 37, 38, 39, 40, 91, 93];
+      var invalidKeyPressed = NON_CHARACTER_KEYS.indexOf(e.detail.which || e.detail.keyCode) > -1;
+      var focusEvent = e.type === 'focus';
+
+      if (invalidKeyPressed || this.loading) {
+        return;
+      }
+
+      if (this.timeout) {
+        clearTimeout(this.timeout);
+      }
+
+      this.timeout = setTimeout(this.trigger.bind(this, focusEvent), 200);
+    },
+
+    trigger: function trigger(getEntireList) {
+      var config = this.hook.config.droplabAjaxFilter;
+      var searchValue = this.trigger.value;
+
+      if (!config || !config.endpoint || !config.searchKey) {
+        return;
+      }
+
+      if (config.searchValueFunction) {
+        searchValue = config.searchValueFunction();
+      }
+
+      if (config.loadingTemplate && this.hook.list.data === undefined ||
+        this.hook.list.data.length === 0) {
+        var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
+
+        var loadingTemplate = document.createElement('div');
+        loadingTemplate.innerHTML = config.loadingTemplate;
+        loadingTemplate.setAttribute('data-loading-template', true);
+
+        this.listTemplate = dynamicList.outerHTML;
+        dynamicList.outerHTML = loadingTemplate.outerHTML;
+      }
+
+      if (getEntireList) {
+        searchValue = '';
+      }
+
+      if (config.searchKey === searchValue) {
+        return this.list.show();
+      }
+
+      this.loading = true;
+
+      var params = config.params || {};
+      params[config.searchKey] = searchValue;
+      var self = this;
+      this._loadUrlData(config.endpoint + this.buildParams(params)).then(function(data) {
+        if (config.loadingTemplate && self.hook.list.data === undefined ||
+          self.hook.list.data.length === 0) {
+          const dataLoadingTemplate = self.hook.list.list.querySelector('[data-loading-template]');
+
+          if (dataLoadingTemplate) {
+            dataLoadingTemplate.outerHTML = self.listTemplate;
+          }
+        }
+
+        if (!self.destroyed) {
+          var hookListChildren = self.hook.list.list.children;
+          var onlyDynamicList = hookListChildren.length === 1 && hookListChildren[0].hasAttribute('data-dynamic');
+
+          if (onlyDynamicList && data.length === 0) {
+            self.hook.list.hide();
+          }
+
+          self.hook.list.setData.call(self.hook.list, data);
+        }
+        self.notLoading();
+      });
+    },
+
+    _loadUrlData: function _loadUrlData(url) {
+      return new Promise(function(resolve, reject) {
+        var xhr = new XMLHttpRequest;
+        xhr.open('GET', url, true);
+        xhr.onreadystatechange = function () {
+          if(xhr.readyState === XMLHttpRequest.DONE) {
+            if (xhr.status === 200) {
+              var data = JSON.parse(xhr.responseText);
+              return resolve(data);
+            } else {
+              return reject([xhr.responseText, xhr.status]);
+            }
+          }
+        };
+        xhr.send();
+      });
+    },
+
+    buildParams: function(params) {
+      if (!params) return '';
+      var paramsArray = Object.keys(params).map(function(param) {
+        return param + '=' + (params[param] || '');
+      });
+      return '?' + paramsArray.join('&');
+    },
+
+    destroy: function destroy() {
+      if (this.timeout) {
+        clearTimeout(this.timeout);
+      }
+
+      this.destroyed = true;
+
+      this.hook.trigger.removeEventListener('keydown.dl', this.debounceTriggerWrapper);
+      this.hook.trigger.removeEventListener('focus', this.debounceTriggerWrapper);
+    }
+  };
+});
+},{"../window":2}],2:[function(require,module,exports){
+module.exports = function(callback) {
+  return (function() {
+    callback(this);
+  }).call(null);
+};
+
+},{}]},{},[1])(1)
+});
+\ No newline at end of file