feat: add trim option

Closes #2064

Author: Clement Teule

Diff for: dist/select.css

@@ -1,7 +1,7 @@
 /*!
  * ui-select
  * http://github.com/angular-ui/ui-select
- * Version: 0.19.8 - 2018-08-29T05:34:50.133Z
+ * Version: 0.19.8 - 2018-08-29T05:41:58.530Z
  * License: MIT
  */
 

Diff for: dist/select.js

@@ -9,7 +9,8 @@
          ng-class="{ 'ui-select-search-hidden' : !$select.searchEnabled }"
          placeholder="{{$select.placeholder}}"
          ng-model="$select.search"
-         ng-show="$select.open">
+         ng-show="$select.open"
+         ng-trim="{{ $select.trim }}">
   <div ng-show="$select.open && $select.items.length > 0" class="ui-select-dropdown dropdown-menu">
     <div class="ui-select-header"></div>
     <div class="ui-select-choices"></div>

Diff for: dist/select.min.css

@@ -113,7 +113,8 @@ var uis = angular.module('ui.select', [])
   appendToBody: false,
   spinnerEnabled: false,
   spinnerClass: 'glyphicon glyphicon-refresh ui-select-spin',
-  backspaceReset: true
+  backspaceReset: true,
+  trim: true
 })
 
 // See Rename minErr and make it accessible from outside https://github.com/angular/angular.js/issues/6913

Diff for: dist/select.min.js

@@ -9,6 +9,7 @@
     <div class="search-container" ng-class="{'ui-select-search-hidden':!$select.searchEnabled, 'select2-search':$select.searchEnabled}">
       <input type="search" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"
        ng-class="{'select2-active': $select.refreshing}"
+       ng-trim="{{ $select.trim }}"
        role="combobox"
        aria-expanded="true"
        aria-owns="ui-select-choices-{{ $select.generatedId }}"

Diff for: dist/select.min.js.map

@@ -11,6 +11,7 @@
            ng-model="$select.search"
            ng-hide="!$select.isEmpty() && !$select.open"
            ng-disabled="$select.disabled"
+           ng-trim="{{ $select.trim }}"
            aria-label="{{ $select.baseTitle }}">
   </div>
   <div ng-show="$select.open" class="ui-select-dropdown selectize-dropdown"

Diff for: src/bootstrap/select.tpl.html

@@ -160,6 +160,10 @@ uis.directive('uiSelect',
           $select.spinnerClass = spinnerClass !== undefined ? attrs.spinnerClass : uiSelectConfig.spinnerClass;
         });
 
+        scope.$watch(function () { return scope.$eval(attrs.trim); }, function(newVal) {
+          $select.trim = newVal !== undefined ? newVal : uiSelectConfig.trim;
+        });
+
         //Automatically gets focus when loaded
         if (angular.isDefined(attrs.autofocus)){
           $timeout(function(){

Diff for: src/common.js

@@ -176,6 +176,7 @@ describe('ui-select tests', function () {
       if (attrs.backspaceReset !== undefined) { attrsHtml += ' backspace-reset="' + attrs.backspaceReset + '"'; }
       if (attrs.uiDisableChoice !== undefined) { choicesAttrsHtml += ' ui-disable-choice="' + attrs.uiDisableChoice + '"'; }
       if (attrs.removeSelected !== undefined) { attrsHtml += ' remove-selected="' + attrs.removeSelected + '"'; }
+      if (attrs.trim !== undefined) { attrsHtml += ' trim="' + attrs.trim + '"'; }
     }
 
     return compileTemplate(
@@ -3494,6 +3495,54 @@ describe('ui-select tests', function () {
     });
   });
 
+  describe('Test trim', function () {
+    it('should have a default value of true', function () {
+      var control = createUiSelect();
+      expect(control.scope().$select.trim).toEqual(true);
+    });
+
+    it('should have set a value of false', function () {
+      var control = createUiSelect({ trim: false });
+      expect(control.scope().$select.trim).toEqual(false);
+    });
+
+    ['selectize', 'bootstrap', 'select2'].forEach(function (theme) {
+      describe(theme + ' theme', function () {
+        it('should define ng-trim to true when undefined', function () {
+          var el = createUiSelect({ theme});
+          expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('true');
+        });
+
+        it('should define ng-trim when true', function () {
+          var el = createUiSelect({ theme, trim: true });
+          expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('true');
+        });
+
+        it('should define ng-trim when false', function () {
+          var el = createUiSelect({ theme, trim: false });
+          expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('false');
+        });
+
+        describe('multiple', function () {
+          it('should define ng-trim to true when undefined', function () {
+            var el = createUiSelect({ multiple: 'multiple', theme });
+            expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('true');
+          });
+
+          it('should define ng-trim when true', function () {
+            var el = createUiSelect({ multiple: 'multiple', theme, trim: true });
+            expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('true');
+          });
+
+          it('should define ng-trim when false', function () {
+            var el = createUiSelect({ multiple: 'multiple', theme, trim: false });
+            expect($(el).find('.ui-select-search').attr('ng-trim')).toEqual('false');
+          });
+        });
+      });
+    });
+  });
+
   describe('With refresh on active', function () {
     it('should refresh when is activated', function () {
       scope.fetchFromServer = function () { };