Move list.js extensions to plugins

app/assets/javascripts/list.delay.js

@@ -0,0 +1,50 @@
+// for use with listjs 0.2.0
+// https://github.com/javve/list.js
+
+(function(window, undefined) {
+
+window.List.prototype.plugins.delay = function(locals, options) {
+  var list = this;
+  
+  this.searchTimeout = undefined;
+  
+  var init = {
+    start: function(options) {
+      this.defaults(options);
+      this.callbacks(options);
+      this.onload(options);
+    },
+    defaults: function(options) {
+      options.delayedSearchClass = options.delayedSearchClass || 'delayed-search';
+      options.delayedSearchTime = options.delayedSearchTime || 500;
+    },
+    callbacks: function(options) {
+      $('.' + options.delayedSearchClass, list.listContainer).keyup(list.searchDelayStart);
+    },
+    onload: function(options) {
+      var initialSearchTerm = $('.' + options.delayedSearchClass, list.listContainer).val();
+      if('' != initialSearchTerm) {
+        list.search(initialSearchTerm);
+      }
+    }
+  };
+  
+  this.searchDelayStart = function(searchString, columns) {
+    // TODO: if keycode corresponds to 'ENTER' ? skip delay
+    clearTimeout(list.searchTimeout);
+    list.searchTimeout = window.setTimeout(
+      function() {list.searchDelayEnd(searchString, columns)},
+      options.delayedSearchTime
+    );
+    
+    $(list.listContainer).trigger('updateComing');
+  };
+  
+  this.searchDelayEnd = function(searchString, columns) {
+    list.search(searchString, columns);
+  };
+  
+  init.start(options);
+}
+
+})(window);