Designing Basic and Advanced Dynamic Search Forms using Angular Material and Grid-UI Example

Designing Basic and Advanced Dynamic Search Forms using Angular Material and Grid-UI Example

In this tutorial we will discuss how to design basic and advanced dynamic search form techniques using Angular Material and Grid UI concentrating on the front-end components. In our last tutorial, “Implementing Basic and Advanced Search using Angular Material Design, Grid-UI, Spring MVC REST API and MongoDB Example” we focused on back-end components using Java, Spring Framework, Jackson, log4J and MongoDB.

In our advanced tab, I have added the ability to add rows dynamically to the form and perform the necessary validations. AngularJS supports dynamic form creating using ng-repeat and ng-form directives. We will discuss these in more details in this tutorial.

associateSearchAdvanced

What is Covered in this Tutorial ?

  1. What is Angular Material and Google’s Material Design ?
  2. Getting Started
  3. Complete Project Overview
  4. RESTful Web Service End Points
  5. The Basic HTML Template Structure
  6. Angular Material Toolbar
  7. Adding Company Logo to our Toolbar
  8. Adding Responsive Title to our Toolbar using Angular/Flexbox
  9. Angular Material md-menu Directive
  10. Using Angular Material’s md-tabs and md-tab Directive
  11. Using Angular’s ng-change Directive
  12. Dynamic Advanced Search Form in AngularJS using ng-repeat and ng-form Directives
  13. Validations Correctly Displayed with ngForm
  14. Validations Incorrectly Displayed without ngForm
  15. The Complete Main Application Page (index.jsp)
  16. Our AngularJS application file (app.js)
  17. Cascading Style Sheets (styles.css)
  18. Testing out the application using Web Services
  19. Download the Complete Source Code

What is Angular Material and Google’s Material Design ?

Angular Material is a reference implementation of Google’s Material Design specification but it is also a user interface (UI) component framework. Google’s Material Design has made it a priority to utilize good design principles with their goals stated in their specifications document. These goals are encompassed in the following concepts:

MATERIAL DESIGN GOALS

  • Develop a single underlying system that allows for a unified experience across platforms and devices.
  • Mobile precepts are fundamental.
  • Touch, voice, mouse, and keyboard are all first-class input methods.

Angular Material Associate Search Application

Getting Started

In order to run this tutorial yourself, you will need the following:

  • Java JDK 1.6 or greater
  • Favorite IDE Spring Tool Suite (STS), Eclipse IDE or NetBeans (I happen to be using STS because it comes with a Tomcat server built-in)
  • Tomcat 7 or greater or other popular container (Weblogic, Websphere, Glassfish, JBoss, VMWare vFabric, etc). For this tutorial I am using VMware vFabric tc Server Developer Edition which is essentially an enhanced Tomcat instance integrated with Spring STS
  • Angular Material – reference implementation of Google’s Material Design using AngularJS.
  • Angular UI Grid – Native AngularJS implementation of dynamic grid with standard support of sorting, filtering, column pinning, grouping, in-place editing, expandable rows, internationalization, customizable templates,large set support and plug-in support.
  • Font Awesome provides over 600 icons all in one font. No javascript required as Font-Awesome utilizes CSS. I am using for some icons. If you like you can use material icons instead but code (html) changes will be required.
  • JQuery is a fast, small, and feature-rich JavaScript library. In this example, we are using for simple document traversal.
  • MongoDB is an open-source document database designed for ease of development and scaling.
  • Jackson Mapper for Object to JSON and vice-versa serialization/deserialization
  • log4J (for logging purposes)

Required Front-End Libraries

angular-material/
angular-material-icons/
angularjs/
jquery
angular-animate.js
angular-spinner.js
angular-touch.js
angular-tree-control.js
angular.js
animate.min.css
app.js
font-awesome.css
font-awesome.min.css
jquery-3.1.0.min.js
main.css
mask.js
material-icons.css
moment.js
spin.js
styles.css
ui-grid.css
ui-grid.eot
ui-grid.js
ui-grid.min.css
ui-grid.svg
ui-grid.ttf
ui-grid.woff

Complete Project Overview

I have added the project overview to give you a full view of the structure and show you all files contained in this sample project from the UI perspective this time (starting from the WebContent).

associateSearchUI_proj_struct

RESTful Web Service End Points

#URIMethodDescription
1/rest/statusGETDisplays the standard status message.
2/rest/employeesGETRetrieves all employee objects from MongoDB returning them as a JSON array.
3/rest/getemployeebyidGETRetrieves an employee given the ID, returning the employee as JSON object.
4/rest/standardSearchGETRetrieves all employee objects from MongoDB that match either the firstName, lastName or both, returning matches as a JSON array.
5/rest/advancedSearchGETRetrieves employee objects from MongoDB that match selection criteria returning matches as a JSON array.
6/rest/employee/addPOSTInserts the employee into our MongoDB data store based on the contents of the JSON object
7/rest/employee/updatePUTUpdates employee in our MongoDB data store based on the contents of the JSON object
8/rest/employee/deleteDELETEDelete employee in our MongoDB data store based on the ID

The Basic HTML Template Structure

Our basic structure is as follows and has the following features:

  • The ngApp directive is used to auto-bootstrap our AngularJS application.
  • The viewport metatag is the user’s visible area of a web page.
  • The ngCloak directive is used to ensure that AngularJS waits until the page is compiled prior to being rendered in the view.
<!DOCTYPE html>
<html ng-app="app">
  <head>
    <title>Associates Search</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- Angular Material requires Angular.js Libraries -->
    <script src="include/angularjs/1.5.x/angular.min.js"></script>
    <script src="include/angularjs/1.5.x/angular-animate.min.js"></script>
    <script src="include/angularjs/1.5.x/angular-aria.min.js"></script>
    <script src="include/angularjs/1.5.x/angular-messages.min.js"></script>

    <!-- Additional dependent JS files -->
    <script src="include/xxxxx/1.x/xxxx.js"></script>

    <!-- Our Application Angular Library Global App File-->
    <script src="include/app.js"></script>
  </head>
  <body ng-cloak>
    <xx-directive></xx-directive>
  </body>
</html>

Angular Material Toolbar

Use the md-toolbar directive to place a toolbar in your app.

We use toolbars to display the company/application logo and title of the application and show any buttons for that application. In my opinion, it also adds a more professional look and feel for the application or page.

Our toolbar consists of three distinct areas: Our company logo on the left hand side, the application title and vertical icon for our application menu.

Adding Company Logo to our Toolbar


I have placed the company logo inside span tags as then using CSS have made the image responsive based on certain screen sizes.

<div class="md-toolbar-tools">
 <span>
  <img src="images/lark.png" alt="Lark Productions" />
 </span>
</div>

Adding Responsive Title to our Toolbar using Angular/Flexbox

By placing our application title inside of a span tag with flex attribute we allow it to take up the full screen width upon resizing. Our subtitle css class also has unique properties as I have defined it to be responsive to allow the application title to change in size.

Additionally, I have added @media CSS rule and defined different viewport sizes and span/subtitle classes which are to be used for each of those viewport sizes. Based on these different viewport sizes we change the subtitle class font-size and image sizes.

<span flex>
 <span class="subtitle">Associate Search</span>
</span>

Angular Material md-menu Directive

Angular Material provides the md-menu directive to create menus that open when they are clicked. md-menu have two child elements. The first child element defines the anchor point that is used to open the menu. The second child element is md-menu-content defines the contents of the menu which it is open. Inside of the md-menu-content directive, a typical menu will contain several md-menu-item elements.

In my particular case, my menu contains three menu items:

angular_material_menu

<md-menu md-position-mode="target-right target" >
 <md-button id="about" aria-label="Open demo menu"
  class="md-icon-button" ng-click="$mdOpenMenu($event)">
  <i class="material-icons">more_vert</i>
 </md-button>
 <md-menu-content width="4">
  <md-menu-item>
   <md-button ng-click="toggleDebugMode()">
    <i class="fa fa-wrench" aria-hidden="true"></i>
    &nbsp;Toggle Debug Mode
   </md-button>
  </md-menu-item>
  <md-menu-item>
   <md-button ng-click="toggleJSONOutput()">
    <i class="fa fa-cogs" aria-hidden="true"></i>
    &nbsp;Toggle JSON Output
   </md-button>
  </md-menu-item>
  <md-menu-divider></md-menu-divider>
  <md-menu-item>
   <md-button ng-click="showAbout($event)">
    <i class="fa fa-info-circle" aria-hidden="true"></i>
    &nbsp;About Employee Directory
   </md-button>
  </md-menu-item>
 </md-menu-content>
</md-menu>

Using Angular Material’s md-tabs and md-tab Directive

In Angular Material the md-tabs directive is used as a container for the md-tab child directives to create tabs in the application.

md-tabs Attributes

#AttributeDescription
1md-selectedIndex of the active/selected tab starting with 0
2md-no-inkIf present, disables ink ripple effects when tab is clicked
3md-no-ink-barIf present, disables the selection ink bar
4md-align-tabsAttribute to set the position of tab buttons (top or bottom); Default is top
5md-stretch-tabsAttribute to indicate whether or not to stretch tabs: auto, always, or never; Default is auto
6md-dynamic-heightWhen enabled, the tab wrapper will resize based on the contents of the selected tab.
7md-border-bottomIf present, shows a solid 1px border between the tabs and their content
8md-center-tabsWhen enabled, tabs will be centered provided there is no need for pagination
9md-no-paginationWhen enabled, tab pagination will remain off. Default is pagination which will automatically show < and > on either side of the tab bar when number of tab exceed page width.
10md-swipe-contentWhen enabled, swipe gestures will be enabled for the content area to jump between tabs.
11md-enable-disconnectWhen enabled, scopes will be disconnected for tabs that are not being displayed. This provides a performance boost, but may also cause unexpected issues and is not recommended for most users.
12md-autoselectWhen present, any tabs added after the initial load will be automatically selected
13md-no-select-clickWhen enabled, click events will not be fired when selecting tabs

md-tab Attributes

#AttributeDescription
1labelOptional attribute of String type to specify the label of the tab
2ng-disabledif the boolean expression evaluates to true
3md-on-selectEvaluates the expression after the tab has been selected
4md-on-deselectEvaluates the expression after the tab has been deselected
5md-activeRetrieves an employee given the ID, returning the employee as JSON object.

Using Angular’s ng-change Directive

In the standard associate search form we are able to enter either the first name, last name or both. In this example, I have added the ng-change directive which calls the firstLastNameChange() function on change event. In this function we will set the variable $scope.isStandardRequired to either true or false. We use this to determine whether or not the Search Associate and Clear are either activated or disabled.

standardForm

<%-- Standard Search Functionality --%>
<md-tab label="Standard">
 <md-content class="md-padding">
  <div layout="row" layout-align="center start">
  <div layout-fill>
   <form class="form-horizontal" id="standardForm"
    name="standardForm" novalidate="true">
    <md-card>
     <md-content>
      <md-card-title>
       <md-card-title-text>
        <span class="md-headline">
         Standard Associate Search<br/>
        </span>
        <span class="md-body-1">
         Please fill in search criteria on click on Search button.
        </span>
       </md-card-title-text>
      </md-card-title>
      <div layout="column" ng-cloak class="md-inline-form">
       <span us-spinner spinner-key="spinner-1"></span>
       <md-content layout-gt-sm="row" layout-padding>
       <div layout-gt-xs="row">
        <md-input-container>
        <label>First Name</label>
        <input name="firstName" style="width: 250px;"
         ng-required="isStandardRequired" ng-change="firstLastNameChange()"
         ng-model="firstName" minlength="1" maxlength="50">
        </md-input-container>
       </div>
       <div layout-gt-xs="row">
        <md-input-container>
         <label>Last Name</label>
         <input name="lastName" style="width: 450px;"
          ng-required="isStandardRequired" ng-change="firstLastNameChange()"
          ng-model="lastName" minlength="1" maxlength="80">
        </md-input-container>
       </div>
      </md-content>
     </div>

     <md-card-actions layout="row" layout-align="end center">
      <md-button class="md-raised md-primary"
       ng-disabled="standardForm.$invalid"
       ng-click="standardSearch(firstName, lastName)">
       <i class="fa fa-search"></i>&nbsp;Search Associate
      </md-button>
      <md-button class="md-raised md-primary"
       ng-disabled="standardForm.$invalid"
       ng-click="clearStandardForm()">
       <i class="fa fa-times"></i>&nbsp;Clear
      </md-button>
     </md-card-actions>
    </md-content>
   </md-card>
  </form>

  <md-card> <%-- <md-content md-theme="docs-dark"> --%>
   <md-content>
    <md-card-title>
     <md-card-title-text>
      <span class="md-headline">Search Results</span>
     </md-card-title-text>
    </md-card-title>
    <div ui-grid="gridStdOptions" ui-grid-selection class="grid"
     ui-grid-resize-columns ui-grid-move-columns
     ui-grid-pagination ui-grid-edit></div>
   </md-content>
  </md-card>
 </md-content>
</md-tab>

Dynamic Advanced Search Form in AngularJS using ng-repeat and ng-form Directives

dynamicForm

In our advanced associate search form we allow multiple criteria objects to be created each with a field name, operator and a field value. We do this by using the ng-repeat directive on our multipleCriteria array. In order for our Angular validations to work properly we are forced to use ng-form directive. Without it, our validations don’t work correctly as Angular does not like us having the same name attribute repeated on mulitple lines within the same form.

Here is a small snippet to show the general use:

<div ng-repeat="criteria in multipleCriteria">
 <div layout="column" ng-cloak class="md-inline-form">
  <md-content layout-gt-sm="row" layout-padding-minimal>
   <ng-form name="fieldForm">
    <div layout-gt-xs="row">
     <md-input-container md-no-float>
     <label>Field Name</label>
     <md-select required="" style="width: 200px;" name="field"
      ng-model="criteria.field"
      ng-change="setSelectedField(criteria.field)">
      <md-option ng-value="field" ng-repeat="field in fields"
       ng-disabled="field.selected">{{field.name}}</md-option>
     </md-select>
     <div ng-messages="fieldForm.field.$error"
       ng-show="fieldForm.field.$touched">
      <div ng-message="required">Concept is required!</div>
     </div>
     </md-input-container>
    </div>
   </ng-form>
    </md-content>
  </div>
</div>

Validations Correctly Displayed with ngForm

advancedSearchValidations

Using Angular Material Validations

Incorrect Dynamic Forms Validations

Prior to using name attribute in our form we would have been doing the form validation as stated below. However, doing so prevents the validations for work correctly in Angular.

In this code snippet below you will notice that we are NOT using the ng-form directive. We are therefore required to use the form name, which in our case is advancedForm {{ advancedForm.field.$error }} and {{ advancedForm.field.$touched }}, in our ng-messages directive. This would work fine if this was a static form and our form was not going to allow the same name to be used elsewhere in the form. However, since we are building our form dynamically using ng-repeat our code breaks as every additional criteria line on the form contains the same name attribute. A validation error in one criteria line would generate validation error message in the same attribute on all the criteria lines in the form (as shown in our screenshot below).

<div ng-repeat="criteria in multipleCriteria">
 <div layout="column" ng-cloak class="md-inline-form">
  <md-content layout-gt-sm="row" layout-padding-minimal>
   <div layout-gt-xs="row">
    <md-input-container md-no-float>
    <label>Field Name</label>
    <md-select required="" style="width: 200px;" name="field"
     ng-model="criteria.field"
     ng-change="setSelectedField(criteria.field)">
     <md-option ng-value="field" ng-repeat="field in fields"
      ng-disabled="field.selected">{{field.name}}</md-option>
    </md-select>
    <div ng-messages="advancedForm.field.$error"
      ng-show="advancedForm.field.$touched">
     <div ng-message="required">Concept is required!</div>
    </div>
    </md-input-container>
   </div>
  </md-content>
 </div>
</div>

Validations Incorrectly Displayed without ngForm

incorrectValidations

The Complete Main Application Page (index.jsp)

This is the index jsp file for our application which is rendered by the client browser.

<%@ page language="java"%>
<!DOCTYPE html>
<html ng-app="app">
<head>
<title>Associates Search</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet"
 href="include/angular-material/1.0.9/angular-material.css">

<script src="include/jquery-3.1.0.min.js"></script>
<!-- Angular Material requires Angular.js Libraries -->
<script src="include/angularjs/1.5.5/angular.min.js"></script>
<script src="include/angularjs/1.5.5/angular-animate.min.js"></script>
<script src="include/angularjs/1.5.5/angular-aria.min.js"></script>
<script src="include/angularjs/1.5.5/angular-messages.min.js"></script>

<script src="include/ui-grid.js"></script>
<link rel="stylesheet" href="include/ui-grid.css">

<!-- Angular Material Library -->
<script src="include/angular-material/1.0.9/angular-material.min.js">
</script>

<!-- Get Material Icons/Font Awesome Icons -->
<link rel="stylesheet" href="include/material-icons.css">
<link rel="stylesheet" href="include/font-awesome.css">

<link rel="stylesheet" href="include/animate.min.css">
<link rel="stylesheet" href="include/styles.css">
<link rel="stylesheet" href="include/main.css">
<script src="include/spin.js"></script>
<script src="include/moment.js"></script>
<script src="include/angular-spinner.js"></script>

<!-- Our Application Angular Library -->
<script src="include/app.js"></script>
</head>

<%
 String fullProtocol = request.getProtocol().toLowerCase();
 String protocol[] = fullProtocol.split("/");
 String baseUrl = protocol[0] + "://" + request.getHeader("Host");
 String params = "";

 boolean isDebug = false;
 String debugParam = request.getParameter("debug");
 if (debugParam != null && (debugParam.toLowerCase().equals("true")
   || debugParam.toLowerCase().equals("yes")
   || debugParam.equals("1"))) {
  isDebug = true;
 }
%>
<body ng-controller="MainCtrl" ng-cloak>
 <md-toolbar>
  <div class="md-toolbar-tools">
   <h2>
    <img src="images/lark.png" alt="Lark Productions" />
   </h2>
   <span flex=""><span class="subtitle">Associate Search</span></span>
   <md-menu md-position-mode="target-right target" >
      <md-button id="about" aria-label="Open demo menu"
        class="md-icon-button" ng-click="$mdOpenMenu($event)">
       <i class="material-icons">more_vert</i>
      </md-button>
      <md-menu-content width="4">
        <md-menu-item>
          <md-button ng-click="toggleDebugMode()">
           <i class="fa fa-wrench" aria-hidden="true"></i>
            &nbsp;Toggle Debug Mode
          </md-button>
        </md-menu-item>
        <md-menu-item>
          <md-button ng-click="toggleJSONOutput()">
           <i class="fa fa-cogs" aria-hidden="true"></i>
            &nbsp;Toggle JSON Output
          </md-button>
        </md-menu-item>
        <md-menu-divider></md-menu-divider>
        <md-menu-item>
          <md-button ng-click="showAbout($event)">
           <i class="fa fa-info-circle" aria-hidden="true"></i>
            &nbsp;About Employee Directory
          </md-button>
        </md-menu-item>
      </md-menu-content>
    </md-menu>
  </div>
 </md-toolbar>

 <md-content id="myContainer">
 <md-tabs md-dynamic-height md-border-bottom>

 <%-- Standard Search Functionality --%>
 <md-tab label="Standard">
  <md-content class="md-padding">
   <div layout="row" layout-align="center start">
   <div layout-fill>
    <form class="form-horizontal" id="standardForm"
     name="standardForm" novalidate="true">
     <md-card>
      <md-content>
       <md-card-title>
        <md-card-title-text>
         <span class="md-headline">
          Standard Associate Search<br/>
         </span>
         <span class="md-body-1">
          Please fill in search criteria on click on Search button.
         </span>
        </md-card-title-text>
       </md-card-title>
       <div layout="column" ng-cloak class="md-inline-form">
        <span us-spinner spinner-key="spinner-1"></span>
        <md-content layout-gt-sm="row" layout-padding>
        <div layout-gt-xs="row">
         <md-input-container>
         <label>First Name</label>
         <input name="firstName" style="width: 250px;"
          ng-required="isStandardRequired"
          ng-change="firstLastNameChange()"
          ng-model="firstName" minlength="1" maxlength="50">
         </md-input-container>
        </div>
        <div layout-gt-xs="row">
         <md-input-container>
          <label>Last Name</label>
          <input name="lastName" style="width: 450px;"
           ng-required="isStandardRequired"
           ng-change="firstLastNameChange()"
           ng-model="lastName" minlength="1" maxlength="80">
         </md-input-container>
        </div>
       </md-content>
      </div>

      <md-card-actions layout="row" layout-align="end center">
       <md-button class="md-raised md-primary"
        ng-disabled="standardForm.$invalid"
        ng-click="standardSearch(firstName, lastName)">
        <i class="fa fa-search"></i>&nbsp;Search Associate
       </md-button>
       <md-button class="md-raised md-primary"
        ng-disabled="standardForm.$invalid"
        ng-click="clearStandardForm()">
        <i class="fa fa-times"></i>&nbsp;Clear
       </md-button>
      </md-card-actions>
     </md-content>
    </md-card>
   </form>

   <md-card>
    <md-content>
     <md-card-title>
      <md-card-title-text>
       <span class="md-headline">Search Results</span>
      </md-card-title-text>
     </md-card-title>
     <div ui-grid="gridStdOptions" ui-grid-selection class="grid"
      ui-grid-resize-columns ui-grid-move-columns
      ui-grid-pagination ui-grid-edit></div>
    </md-content>
   </md-card>
  </md-content>
 </md-tab>

  <%-- Advanced Search Functionality --%>
 <md-tab label="Advanced">
  <md-content class="md-padding">
   <div layout="row" layout-align="center start">
    <div layout-fill>
     <form class="form-horizontal" id="advancedForm" name="advancedForm">
      <md-card> <%-- <md-content md-theme="docs-dark"> --%>
       <md-content>
        <md-card-title>
         <md-card-title-text>
          <span class="md-headline">Advanced Associate Search<br/></span>
          <span class="md-body-1">
           Please choose <em>Field Name</em> criteria from dropdown,
           select <em>Operator</em>,
           enter search <em>Value</em>.  Include additional items as
           per your needs by hitting '+' icon.</span>
         </md-card-title-text>
        </md-card-title>

        <span us-spinner spinner-key="spinner-1"></span>
        <div ng-repeat="criteria in multipleCriteria">
         <div layout="column" ng-cloak class="md-inline-form">
          <md-content layout-gt-sm="row" layout-padding-minimal>
          <ng-form name="fieldForm">
           <div layout-gt-xs="row">
            <md-input-container md-no-float>
            <label>Field Name</label>
            <md-select required="" style="width: 200px;" name="field"
             ng-model="criteria.field"
             ng-change="setSelectedField(criteria.field)">
             <md-option ng-value="field" ng-repeat="field in fields"
              ng-disabled="field.selected">{{field.name}}</md-option>
            </md-select>
            <div ng-messages="fieldForm.field.$error"
              ng-show="fieldForm.field.$touched">
             <div ng-message="required">Concept is required!</div>
            </div>
            </md-input-container>
           </div>
          </ng-form>
          <div layout-gt-xs="row">
           <md-input-container  class="md-block">
           <span class="label">is</span>
           </md-input-container>
          </div>
          <ng-form name="operatorForm">
           <div layout-gt-xs="row">
            <md-input-container>
            <label>Operator</label>
            <md-select required="" name="operator"
              ng-model="criteria.operator"
             style="min-width: 150px;">
             <md-option ng-value="operator"
              ng-repeat="operator in operations | filter:
               { type: criteria.field.type }">
               {{operator.name}}
             </md-option>
            </md-select>
            <div ng-messages="operatorForm.operator.$error"
             ng-show="operatorForm.operator.$touched">
             <div ng-message="required">Operator is required!</div>
            </div>
            </md-input-container>
           </div>
          </ng-form>
          <div ng-if="criteria.field.type != 'date'">
           <ng-form name="valueForm">
            <div layout-gt-xs="row">
             <md-input-container>
              <label>Value for {{criteria.field.name}}</label>
              <input required="" name="searchValue" style="width: 350px;"
               ng-model="criteria.value" minlength="1" maxlength="80">
              <div ng-messages="valueForm.searchValue.$error"
               ng-show="valueForm.searchValue.$touched">
               <div ng-message="required">Value is required!</div>
              </div>
             </md-input-container>
            </div>
           </ng-form>
          </div>
          <div ng-if="criteria.field.type == 'date'">
           <ng-form name="valueForm">
            <div layout-gt-xs="row">
             <md-input-container>
              <label>Date of Hire (MM/DD/YYYY)</label>
              <label>Date Value</label> -->
              <input required="" type="date" style="width: 350px;"
               ng-model="criteria.value" />
              <div ng-messages="valueForm.searchValue.$error"
               ng-show="valueForm.searchValue.$touched">
               <div ng-message="required">Value is required!</div>
              </div>
             </md-input-container>
            </div>
           </ng-form>
          </div>
          <div layout-gt-xs="row">
           <md-button class="md-fab md-mini md-primary md-hue-1"
            aria-label="add" ng-click="addNewCriteria($index)">
            <md-tooltip md-direction="bottom">Add New Row</md-tooltip>
            <i class="fa fa-plus"></i>
           </md-button>
           <md-button class="md-fab md-mini md-primary md-hue-1"
            aria-label="remove" ng-click="removeCriteria($index)"
             ng-hide="multipleCriteria.length==1">
            <md-tooltip md-direction="bottom">Remove Current Row</md-tooltip>
            <i class="fa fa-minus "></i>
           </md-button>
          </div>
         </md-content>
        </div>
       </div>

       <md-card-actions layout="row" layout-align="end center">
        <md-button class="md-raised md-primary"
         ng-disabled="advancedForm.$invalid"
         ng-click="advancedSearch(multipleCriteria)">
         <i class="fa fa-search"></i>&nbsp;Search Associate
        </md-button>
        <md-button class="md-raised md-primary"
         ng-click="clearAdvancedForm()">
         <i class="fa fa-times"></i>&nbsp;Clear
        </md-button>
       </md-card-actions>
      </md-content>
     </md-card>
    </form>

    <md-card> <%-- <md-content md-theme="docs-dark"> --%>
     <md-content>
      <md-card-title>
       <md-card-title-text>
        <span class="md-headline">Search Results</span>
       </md-card-title-text>
      </md-card-title>

      <div ui-grid="gridAdvOptions" ui-grid-selection class="grid"
       ui-grid-resize-columns ui-grid-move-columns
       ui-grid-pagination ui-grid-edit></div>
     </md-content>
    </md-card>
    <div ng-if="enableJSON">
     <div class="debug">
      <div class="subtitle">JSON DEBUG OUTPUT</div>
      {{multipleCriteria}}
     </div>
    </div>
   </div>
  </div>
 </md-content>
</md-tab>
</md-tabs>
<div ng-element-ready="setDefaults('<%=isDebug%>', '<%=baseUrl%>')"></div>
</body>
</html>

Our AngularJS application file (app.js)

var app = angular.module('app', ['ngMaterial', 'ngMessages',
						'angularSpinner', 'ui.grid', 'ui.grid.resizeColumns',
						'ui.grid.moveColumns']);

app.config(['usSpinnerConfigProvider', function (usSpinnerConfigProvider) {
	usSpinnerConfigProvider.setDefaults({
		lines: 13, // The number of lines to draw
		length: 5, // The length of each line
		width: 4, // The line thickness
		radius: 8, // The radius of the inner circle
		corners: 1, // Corner roundness (0..1)
		rotate: 0, // The rotation offset
		direction: 1, // 1: clockwise, -1: counterclockwise
		color: '#333', // #rgb or #rrggbb or array of colors
		speed: 1, // Rounds per second
		trail: 80, // Afterglow percentage
		shadow: false, // Whether to render a shadow
		hwaccel: false, // Whether to use hardware acceleration
		className: 'spinner', // The CSS class to assign to the spinner
		zIndex: 2e9, // The z-index (defaults to 2000000000)
		top: '50%', // Top position relative to parent
		left: '50%' // Left position relative to parent
	});
}]);

app.config(function($mdThemingProvider) {
	$mdThemingProvider.theme("success-toast");
	$mdThemingProvider.theme("error-toast");
	$mdThemingProvider.theme("warning-toast");
	});

app.filter('titlecase', function() {
	return function(s) {
		s = ( s === undefined || s === null ) ? '' : s;
		return s.toString().toLowerCase().replace( /\b([a-z])/g, function(ch) {
			return ch.toUpperCase();
		});
	};
});

app.directive('focusOn', function() {
	return function(scope, elem, attr) {
		scope.$on(attr.focusOn, function(e) {
			elem[0].focus();
		});
	};
});

app.config(function($mdDateLocaleProvider) {
	$mdDateLocaleProvider.formatDate = function(date) {
		return moment(date).format('MM/DD/YYYY');
	};
});

app.config(function($mdThemingProvider) {
	// Configure a dark theme with primary foreground yellow
	$mdThemingProvider.theme('docs-dark', 'default')
	.primaryPalette('yellow')
	.dark();
});

app.service('ajaxService', function($http) {
	this.getData = function(URL, ajaxMethod, ajaxParams) {
		var restURL = URL + ajaxParams;
		console.log("Inside ajaxService GET...");
		console.log("Connection using URL=[" + restURL + "],
			Method=[" + ajaxMethod + "]");
		return $http({
			method: ajaxMethod,
			url: restURL,
		});
	};

	this.postData = function(URL, ajaxMethod, jsonData, ajaxParams) {
		var restURL = URL + ajaxParams;
		console.log("Inside ajaxService POST...");
		console.log("Connection using URL=[" + restURL + "],
      Method=[" + ajaxMethod + "]");

		return $http({
			method: ajaxMethod,
			url: restURL,
			headers: {'Content-Type': 'application/json'},
			data: jsonData,
		});

	};
});

app.directive('ngElementReady', [function() {
	return {
		priority: Number.MIN_SAFE_INTEGER,
		restrict: "A",
		link: function($scope, $element, $attributes) {
			$scope.$eval($attributes.ngElementReady);
		}
	};
}]);

/* -----------------------------------------------------------------------
 ** MAIN CONTROLLER
 *-------------------------------------------------------------------------*/
app.controller('MainCtrl', function ($scope, $rootScope, $http, $log,
						$mdDialog, $mdSidenav, $timeout, $filter, ajaxService,
            usSpinnerService) {

	$scope.firstName = "";
	$scope.lastName = "";
	$scope.isStandardRequired = true;
	$scope.enableJSON = true;

	$scope.advanced = {};

	$scope.gridActive = false;

	console.log("$scope.gridActive....: " + $scope.gridActive);

	$scope.fields = [
    {id: "firstName", name:"First Name", type: "string", selected: false},
    {id: "lastName", name:"Last Name", type: "string", selected: false},
    {id: "preferredName", name:"Preferred First Name", type: "string", selected: false},
    {id: "jobDesc", name:"Job Description", type: "string", selected: false},
    {id: "titleDesc", name:"Title Description", type: "string", selected: false},
    {id: "companyName", name:"Company Name", type: "string", selected: false},
    {id: "costCenter", name:"Cost Center", type: "string", selected: false},
    {id: "hireDate", name:"Date of Hire", type: "date", selected: false}
	];

	$scope.operations = [
			{id: "like", name:"like", type: "string"},
			{id: "equalTo", name:"equal to", type: "string"},
			{id: "notEqualTo", name:"not equal to", type: "string"},
			{id: "equalTo", name:"equal to", type: "date"},
			{id: "greaterThan", name:"greater than", type: "date"},
			{id: "lessThan", name:"less than", type: "date"}
	];

	$scope.multipleCriteria = [{}];

	$scope.gridOptions = {
			enableFiltering: true,
			enablePaginationControls: true,
			enableSorting: true,
			enableRowSelection: true,
			enableRowHeaderSelection: false,
			enableColumnResizing: true,
			paginationPageSizes: [10, 12, 15, 18],	//18
			paginationPageSize: 18,				//18
	  };

	$scope.gridOptions.columnDefs = [
	 	{ name: 'firstName',
	 		cellClass: 'gridField',
	 		displayName: 'First Name',
	 		width: 140,
	 		maxWidth: 160,
	 		minWidth: 130,
	 		enableHiding: false,
	 		enableCellEdit: false },
	 	{ name: 'lastName',
	 		cellClass: 'gridField',
	 		displayName: 'Last Name',
	 		width: 250,
	 		maxWidth: 480,
	 		minWidth: 220,
	 		enableHiding: false,
	 		enableCellEdit: false },
	 	{ name: 'jobDesc',
	 		cellClass: 'gridField',
	 		displayName: 'Job Desc',
	 		width: 160,
	 		maxWidth: 200,
	 		minWidth: 120,
	 		enableHiding: false,
	 		enableCellEdit: false },
		 { name: 'titleDesc',
	 		cellClass: 'gridField',
	 		displayName: 'Title Desc',
	 		width: 220,
	 		maxWidth: 300,
	 		minWidth: 150,
	 		enableHiding: false,
	 		enableCellEdit: false },
		 { name: 'costCenter',
	 		cellClass: 'gridField',
	 		displayName: 'Cost Center',
	 		width: 170,
	 		maxWidth: 200,
	 		minWidth: 90,
	 		enableHiding: false,
	 		enableCellEdit: false },
	 	{ name: 'hireDate',
	 		cellClass: 'gridField',
	 		displayName: 'Hire Date',
	 		width: 160,
	 		maxWidth: 200,
	 		minWidth: 120,
	 		enableHiding: false,
	 		enableCellEdit: false }
	   ];

	$scope.gridStdOptions = {};
	$scope.gridAdvOptions = {};

	angular.copy($scope.gridOptions, $scope.gridStdOptions);
	angular.copy($scope.gridOptions, $scope.gridAdvOptions);

	$scope.gridStdOptions.data = [];
	$scope.gridAdvOptions.data = [];

	$scope.addNewCriteria = function(index) {
		console.log("Row ID: " + index);
		$scope.multipleCriteria.splice(index+1, 0, {});
	};

	$scope.removeCriteria = function(index) {
	  console.log("Row ID: " + index);
	  $scope.multipleCriteria.splice(index, 1);
	};

	$scope.setSelectedField = function(name) {
	  console.log("fieldName: " + name);
	  //var i = $scope.fields.indexOf(name);
	  //$scope.fields[i].selected = true;
	  //$scope.fields.splice(index, 1);
	};

	$scope.startSpin = function(key) {
		usSpinnerService.spin(key);
	};

	$scope.stopSpin = function(key) {
		usSpinnerService.stop(key);
	};

	$scope.setTitleCase = function(input) {
		if (input != null ) {
			return input.replace(/\w\S*/g, function(txt){
				return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
			});
		}
	};

	$scope.setLowerCase = function(input) {
		if (input != null ) {
			return input.replace(/\w\S*/g, function(txt){
        return txt.toLowerCase();
      });
		}
	};

	$scope.setUpperCase = function(input) {
		if (input != null ) {
			return input.replace(/\w\S*/g, function(txt){
        return txt.toUpperCase();
      });
		}
	};

	$scope.currentTimeMillis = function(ts) {
		var date = new Date().getTime();
		return date;
	};

	$scope.toggleLeftSideNav = buildToggler('left');

	$scope.closeLeftSideNav = function() {
		$mdSidenav('left').close()
		.then(function () {
			$log.debug("Closing Left Side Nav");
		});
	};

	$scope.$on('compareTo-broadcast', function() {
		$scope.showPasswordMatchToast();
	});

	function buildToggler(navID) {
		return function() {
			$mdSidenav(navID)
			.toggle()
			.then(function () {
				$log.debug("toggle " + navID + " is done");
			});
		}
	};

	$scope.$on('$viewContentLoaded', function() {
		console.log("viewContentLoaded event triggered...");
		loadUserDefaults();
	});

	$scope.clearStandardForm = function () {
		$scope.firstName = "";
		$scope.lastName = "";

		$scope.firstLastNameChange();
		$scope.standardForm.$setPristine();
		$scope.standardForm.$setUntouched();
	};

	$scope.clearAdvancedForm = function() {
		$scope.multipleCriteria = [{}];
		$scope.gridAdvOptions.data = [];

		$scope.advanced.$setPristine();
		$scope.advanced.$setUntouched();
	};

	$scope.toggleDebugMode = function() {
		$scope.debugFlag = !$scope.debugFlag;
		console.log("Inside toggleDebugMode...: " + $scope.debugFlag);
	};

	$scope.toggleJSONOutput = function() {
		$scope.enableJSON = !$scope.enableJSON;
		console.log("Inside toggleJSONOutput...: " + $scope.enableJSON);
	};

	$scope.firstLastNameChange = function() {
		if ($scope.firstName || $scope.lastName) {
			$scope.isStandardRequired = false;
		} else {
			$scope.isStandardRequired = true;
		}
	}

	$scope.showAbout = function(ev) {
		console.log("Inside showAbout()...");

		$mdDialog.show(
			$mdDialog.alert()
				.parent(angular.element(document.querySelector('#myContainer')))
				.clickOutsideToClose(false)
				.title('About Employee Directory Demo')
				.textContent('This application will show you many of the features
					available in Angular Material, Spring Framework and MongoDB...')
				.ariaLabel('Employee Directory Demo')
				.ok('Ok')
				.openFrom('#about')
				.closeTo('#about')
				.targetEvent(ev)
	    );
	  };

	$scope.standardSearch = function (firstName, lastName) {
		var url = "";

		console.log("Inside standardSearch()...");
		console.log("firstName value...: " + firstName);
		console.log("lastName value....: " + lastName);

		$scope.gridActive = true;

		function onSuccess(response) {
			console.log("+++++standardSearch SUCCESS++++++");
			if ($scope.debugFlag == 'true' || $scope.debugFlag) {
				console.log("Inside standardSearch response..."
					+ JSON.stringify(response.data));
			} else {
				console.log("Inside standardSearch response...
					(XML response is being skipped, debug=false)");
			}
			if (response.data.success != false) {
				$scope.gridStdOptions.data = response.data;
			} else {
				$scope.gridStdOptions.data = [];
			}
			$scope.stopSpin('spinner-1');
		};

		function onError(response) {
			console.log("-------gridStdOptions FAILED-------");
			$scope.stopSpin('spinner-1');
		};

		// Clear Grid Data
		$scope.gridStdOptions.data = [];

		$scope.startSpin('spinner-1');

		var addl_params ='?firstName=' + firstName + '&lastName='
												+ lastName + '&etc=' + new Date().getTime();

		//----MAKE AJAX REQUEST CALL to POST DATA----
		ajaxService.postData(standardSearchUrl, 'POST', null,
				addl_params).then(onSuccess, onError);

	};

	$scope.advancedSearch = function (criteriaSearch) {
		var url = "";

		console.log("Inside advancedSearch()...");
		console.log("multipleCriteria JSON...: "
      + JSON.stringify(criteriaSearch));
		$scope.gridActive = true;

		function onSuccess(response) {
			console.log("+++++advancedSearch SUCCESS++++++");
			if ($scope.debugFlag == 'true' || $scope.debugFlag) {
				console.log("Inside advancedSearch response..."
					+ JSON.stringify(response.data));
			} else {
				console.log("Inside advancedSearch response...
					(XML response is being skipped, debug=false)");
			}
			if (response.data.success != false) {
				$scope.gridAdvOptions.data = response.data;
			} else {
				$scope.gridAdvOptions.data = [];
			}
			$scope.stopSpin('spinner-1');
		};

		function onError(response) {
			console.log("-------advancedSearch FAILED-------");
			$scope.stopSpin('spinner-1');
		};

		// Clear Grid Data
		$scope.gridAdvOptions.data = [];

		$scope.startSpin('spinner-1');
		var addl_params ='etc='+new Date().getTime();

		//----MAKE AJAX REQUEST CALL to POST DATA----
		ajaxService.postData(advancedSearchUrl, 'POST',
			criteriaSearch, '').then(onSuccess, onError);
	};

	$scope.setDefaults = function(debugFlag, baseUrl) {
		standardSearchUrl = baseUrl + "/EmployeeDirectory/rest/standardSearch";
		advancedSearchUrl = baseUrl + "/EmployeeDirectory/rest/advancedSearch";

		$scope.debugFlag = debugFlag;
		console.log("Setting Defaults");
		console.log("DebugFlag...............: "  + $scope.debugFlag);
	}
});

Cascading Style Sheets (styles.css)

.main_text {
  font-family: Arial Black;
  font-weight: bold;
  font-size: 25pt;
  color: #000
}

.date_text {
  font-family: Arial;
  font-size: 8pt;
  font-weight: bold;
  color: #000
}

.div_default {
  /* T R B L */
  padding: 10px 0px 0px 10px;
  text-align: left;
  background: #FFF;
}

div.debug {
  padding: 10px 0px 10px 20px;
  color: white;
  background: #3c4dac;
  border-radius: 5px;
  -moz-border-radius: 10px;
  -webkit-border-radius: 10px;
  border: 1px solid #B0B0B0;
}

span.subtitle {
  color: #f7d763;
  /* font-size: 32px; */
  font-weight: bold;
  position: absolute;
  margin: -10px 0px 0px 10px;
}

/* Extra small devices (phones, less than 768px) */
@media (max-width:767px) {
  span.subtitle {font-size: 24px; margin:-5px 0px 0px -35px;}
  img { max-width: 80%; height: auto;}
}

/* Extra Extra small devices (smaller phones, less than 400px) */
@media (max-width:400px) {
  span.subtitle {font-size: 18px; margin: 0px 0px 0px -34px;}
  img { max-width: 80%; height: auto;}
}

/* Small devices (tablets, 768px and up) */
@media (min-width:768px) {
  span.subtitle {font-size: 26px; margin:-5px 0px 0px -10px;}
  img { max-width: 90%; height: auto;}
}

/* Medium devices (desktops, 992px and up) */
@media (min-width:992px) {
  span.subtitle {font-size: 32px; margin:-10px 0px 0px 10px;}
  img { max-width: 100%; height: auto;}
}

/* Large devices (large desktops, 1200px and up) */
@media (min-width:1200px) {
  span.subtitle {font-size: 32px; margin:-10px 0px 0px 10px;}
  img { max-width: 100%; height: auto;}
}

div.subtitle {
  color: #f3d583;
  font-family: fantasy;
  font-size: 24px;
  padding-bottom: 10px;
}

.label_text {
  font-family: Arial;
  font-size: 12px;
  padding: 0px 0px 0px 0px;
  color: #000;
}

.subheading_text {
  font-family: Verdana;
  font-size: 14px;
  font-weight: bold;
  padding: 0px 0px 0px 0px;
  color: #000;
}

.toptable {
  padding: 0px 0px 0px 0px !important;
}

fieldset {
  border: none;
  margin: 0px;
  padding: 0px;
  background: #ff0;
  background-color: #f0f;
}

[layout-padding-minimal],
[layout-padding-minimal] > [flex],
[layout-padding-minimal] > [flex-gt-sm],
[layout-padding-minimal] > [flex-md],
[layout-padding-minimal] > [flex-lt-lg] {
  padding: 0px 8px 0px 8px;
}

.button_default {
  font-family: Arial;
  font-size: 12px;
  color: #FFF;
  padding: 5px 20px 5px 20px;
  border: none;
  background: #2589CE;
}

.button_default:hover {
  font-family: Arial;
  font-size: 12px;
  color: #FFF;
  padding: 5px 20px 5px 20px;
  border: none;
  background: #259AEE;
}

.button_default:active {
  font-family: Arial;
  font-size: 12px;
  color: #FFF;
  border: none;
  background: #256585;
}

.animateText {
  -webkit-animation-duration: 3s;
  -webkit-animation-delay: 3s;
  -webkit-animation-iteration-count: 1;
}

.datepickerCustom {}
  .datepickerCustom md-content {
    padding-bottom: 200px;
}

.datepickerCustom .validation-messages {
  font-size: 12px;
  color: #dd2c00;
  margin: 2px 0 0 25px;
}

input.inputBorderOnSuccess.md-input {
  border-bottom: 3px solid #5Cb801;
  padding-left: 20px;
}

span.input-group-addon.successCheckbox {
  position: absolute;
  margin-top: 2px;
  color: #5Cb801;
}

.md-button.md-fab.md-tiny {
  width: 36px;
  height: 36px;
  line-height: 20px;
  width: 30px;
  height: 20px;
}

span.label {
  margin-bottom: 10px;
  line-height: 36px;
  color: black;
}

md-select .selectBorderOnSuccess.md-select-value {
  border-bottom: 3px solid;
}

MongoDB Employee Collection

{
    "id" : "00001",
    "jobDesc" : "IT Development",
    "employeeType" : "permanent",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Senior Developer",
    "altTitle" : "",
    "costCenter" : "1025",
    "workingShift" : 1,
    "firstName" : "Amaury",
    "preferredName" : "Amaury",
    "middle" : "",
    "lastName" : "Valdes",
    "fullName" : "Amaury Valdes",
    "country" : "USA",
    "companyName" : "Lark Productions",
    "hireDate" : "2012-05-18T04:00:00.0001Z",
    "isActive" : false
}
{
    "id" : "00002",
    "jobCode" : "IT Management",
    "employeeType" : "permanent",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Senior Manager",
    "altTitle" : "",
    "costCenter" : "1025",
    "workingShift" : 1,
    "firstName" : "Steven",
    "preferredName" : "Steve",
    "middle" : "J",
    "lastName" : "Adelson",
    "fullName" : "Steven Adelson",
    "country" : "USA",
    "companyName" : "Lark Productions",
    "hireDate" : "2010-03-02T04:00:00.0001Z",
    "isActive" : true
}
{
    "id" : "00003",
    "jobDesc" : "Senior Management",
    "employeeType" : "permanent",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Senior Group Manager",
    "altTitle" : "",
    "costCenter" : "1025",
    "workingShift" : 1,
    "firstName" : "Robert",
    "preferredName" : "Bob",
    "middle" : "",
    "lastName" : "Paterson",
    "fullName" : "Robert Paterson",
    "country" : "USA",
    "companyName" : "Lark Productions",
    "hireDate" : "2010-09-04T04:00:00.0001Z",
    "isActive" : true
}
{
    "id" : "00004",
    "jobDesc" : "Receptionist",
    "employeeType" : "temp",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Front Desk Reception",
    "altTitle" : "",
    "costCenter" : "1025",
    "workingShift" : 1,
    "firstName" : "Sandra",
    "preferredName" : "Sandy",
    "middle" : "",
    "lastName" : "Jeffries",
    "fullName" : "Sandra Jeffries",
    "country" : "USA",
    "companyName" : "Kelly Temps",
    "hireDate" : "2008-12-23T04:00:00.0001Z",
    "isActive" : true
}
{
    "id" : "00005",
    "jobDesc" : "Developer",
    "employeeType" : "permanent",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Front-End Developer",
    "altTitle" : "",
    "costCenter" : "982",
    "workingShift" : 1,
    "firstName" : "Christopher",
    "preferredName" : "Chris",
    "middle" : "",
    "lastName" : "Smith",
    "fullName" : "Christopher Smith",
    "country" : "USA",
    "companyName" : "Lark Productions",
    "hireDate" : "2010-05-02T04:00:00.0001Z",
    "isActive" : true
}
{
    "id" : "00006",
    "jobDesc" : "Developer",
    "employeeType" : "consultant",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Front-End Developer",
    "altTitle" : "",
    "costCenter" : "982",
    "workingShift" : 1,
    "firstName" : "Christa",
    "preferredName" : "Chrissy",
    "middle" : "",
    "lastName" : "Barnes",
    "fullName" : "Christa Barnes",
    "country" : "USA",
    "companyName" : "Sapient Technologies",
    "hireDate" : "2012-07-13T04:00:00.0001Z",
    "isActive" : true
}
{
    "id" : "00007",
    "jobDesc" : "Developer",
    "employeeType" : "permanent",
    "employeeStatus" : "active",
    "locationType" : "domestic",
    "titleDesc" : "Java Developer",
    "altTitle" : "",
    "costCenter" : "960",
    "workingShift" : 1,
    "firstName" : "Christine",
    "preferredName" : "Christine",
    "middle" : "",
    "lastName" : "Verde",
    "fullName" : "Christine Verde",
    "country" : "USA",
    "companyName" : "Lark Productions",
    "hireDate" : "2006-03-15T04:00:00.0001Z",
    "isActive" : true
}

Testing out the application using Web Services

In addition to using our AngularJS/Angular Material/Grid-UI web application to test out our restful services I used Postman which is a Google Chrome Application. Using this tool I validated each of the REST API calls. Please review the screen shots below:

Testing Application and POSTMAN Chrome Extension

Download the Complete Source Code

That’s It!

I hope you enjoyed this tutorial. It was certainly a lot of fun putting it together and testing it out. Please continue to share the love and like us so that we can continue bringing you quality tutorials. Happy Coding!!!

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