ui-select/docs/examples/demo-multiple-selection.html

  <button class="btn btn-default btn-xs" ng-click="ctrl.enable()">Enable ui-select</button>
  <button class="btn btn-default btn-xs" ng-click="ctrl.disable()">Disable ui-select</button>
  <button class="btn btn-default btn-xs" ng-click="ctrl.clear()">Clear ng-model</button>

  <h1>Multiple Selection</h1>

  <h3>Array of strings</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.colors" theme="bootstrap" ng-disabled="ctrl.disabled" close-on-select="false" style="width: 300px;" title="Choose a color">
    <ui-select-match placeholder="Select colors...">{{$item}}</ui-select-match>
    <ui-select-choices repeat="color in ctrl.availableColors | filter:$select.search">
      {{color}}
    </ui-select-choices>
  </ui-select>
  <p>Selected: {{ctrl.multipleDemo.colors}}</p>
  <hr>
  <h3>Array of objects (sorting enabled)</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.selectedPeople" theme="bootstrap" ng-disabled="ctrl.disabled" sortable="true" close-on-select="false" style="width: 800px;">
    <ui-select-match placeholder="Select person...">{{$item.name}} &lt;{{$item.email}}&gt;</ui-select-match>
    <ui-select-choices repeat="person in ctrl.people | propsFilter: {name: $select.search, age: $select.search}">
      <div ng-bind-html="person.name | highlight: $select.search"></div>
      <small>
        email: {{person.email}}
        age: <span ng-bind-html="''+person.age | highlight: $select.search"></span>
      </small>
    </ui-select-choices>
  </ui-select>
  <p>Selected: {{ctrl.multipleDemo.selectedPeople}}</p>

  <hr>
  <h3>Deselect callback with single property binding</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.deSelectedPeople" on-remove="ctrl.removed($item, $model)" theme="bootstrap" ng-disabled="ctrl.disabled" close-on-select="false" style="width: 800px;" title="Choose a person">
    <ui-select-match placeholder="Select person...">{{$item.name}} &lt;{{$item.email}}&gt;</ui-select-match>
    <ui-select-choices repeat="person.email as person in ctrl.people | propsFilter: {name: $select.search, age: $select.search}">
      <div ng-bind-html="person.name | highlight: $select.search"></div>
      <small>
        email: {{person.email}}
        age: <span ng-bind-html="''+person.age | highlight: $select.search"></span>
      </small>
    </ui-select-choices>
  </ui-select>
  <p>Last Removed:</p>
<pre>
$item = {{ctrl.lastRemoved.item}}
$model = {{ctrl.lastRemoved.model}}
</pre>

  <hr>
  <h3>Array of objects with single property binding</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.selectedPeopleSimple" theme="bootstrap" ng-disabled="ctrl.disabled" close-on-select="false" style="width: 800px;" title="Choose a person">
    <ui-select-match placeholder="Select person...">{{$item.name}} &lt;{{$item.email}}&gt;</ui-select-match>
    <ui-select-choices repeat="person.email as person in ctrl.people | propsFilter: {name: $select.search, age: $select.search}">
      <div ng-bind-html="person.name | highlight: $select.search"></div>
      <small>
        email: {{person.email}}
        age: <span ng-bind-html="''+person.age | highlight: $select.search"></span>
      </small>
    </ui-select-choices>
  </ui-select>
  <p>Selected: {{ctrl.multipleDemo.selectedPeopleSimple}}</p>

  <hr>
  <h3>Array of objects (with groupBy)</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.selectedPeopleWithGroupBy" theme="bootstrap" ng-disabled="ctrl.disabled" close-on-select="false" style="width: 800px;" title="Choose a person">
    <ui-select-match placeholder="Select person...">{{$item.name}} &lt;{{$item.email}}&gt;</ui-select-match>
    <ui-select-choices group-by="ctrl.someGroupFn" repeat="person in ctrl.people | propsFilter: {name: $select.search, age: $select.search}">
      <div ng-bind-html="person.name | highlight: $select.search"></div>
      <small>
        email: {{person.email}}
        age: <span ng-bind-html="''+person.age | highlight: $select.search"></span>
      </small>
    </ui-select-choices>
  </ui-select>
  <p>Selected: {{ctrl.multipleDemo.selectedPeopleWithGroupBy}}</p>

  <hr>
  <h3>Disabling instead of removing selected items</h3>
  <ui-select multiple ng-model="ctrl.multipleDemo.removeSelectIsFalse" theme="bootstrap" ng-disabled="ctrl.disabled" close-on-select="false" style="width: 800px;" title="Choose a person" remove-selected="false">
    <ui-select-match placeholder="Select person...">{{$item.name}} &lt;{{$item.email}}&gt;</ui-select-match>
    <ui-select-choices repeat="person in ctrl.people | propsFilter: {name: $select.search, age: $select.search}">
      <div ng-bind-html="person.name | highlight: $select.search"></div>
      <small>
        email: {{person.email}}
        age: <span ng-bind-html="''+person.age | highlight: $select.search"></span>
      </small>
    </ui-select-choices>
  </ui-select>
  <p>Selected: {{ctrl.multipleDemo.removeSelectIsFalse}}</p>

  <div style="height:500px"></div>