Wijmo 5 - AngularJS directives

by Joel Parks

HTML

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="http://cdn.wijmo.com/5.latest/styles/wijmo.min.css">
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.input.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.grid.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.chart.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/interop/angular/wijmo.angular.min.js"></script>
<!-- mark this as an Angular application and give it a controller -->
<div ng-app="app" ng-controller="appCtrl" class="container">

  <h1>Hello Wijmo 5 and AngularJS!</h1>

  <p>This is a <b>FlexGrid</b> control for multiple sort chains</p>
  <p>
  Note:- most recent applied sort is the most preferred one
  </p>
  <wj-flex-grid control="grid" items-source="data" initialized='init(s,e)'>
    <wj-flex-grid-column header="Country" binding="country"></wj-flex-grid-column>
    <wj-flex-grid-column header="Class" binding="classification"></wj-flex-grid-column>
    <wj-flex-grid-column header="Sales" binding="sales"></wj-flex-grid-column>
    <wj-flex-grid-column header="Expenses" binding="expenses"></wj-flex-grid-column>
  </wj-flex-grid>
  <button ng-click="clear()">
  clear sort
  </button>

CSS

.wj-flexgrid {
  height: 150px; 
  margin-top:10px;
 }
 .wj-flexchart {
   height: 300px;
 }

JavaScript

// define app, include Wijmo 5 directives
var app = angular.module('app', ['wj']);

// controller
app.controller('appCtrl', function($scope) {

  // create some random data
  var countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','),
  classification='A,B,C,D,E'.split(','),
    data = [];
  for (var i = 0; i < 100; i++) {
    data.push({
      country: countries[Math.floor(Math.random()*countries.length)],
      classification: classification[Math.floor(Math.random()*classification.length)],
      sales: Math.random() * 10000,
      expenses: Math.random() * 5000
    });
  }
	
  $scope.clear=()=>{
  	$scope.grid.collectionView.sortDescriptions.clear();
  };
  // expose data as a CollectionView to get events
  $scope.data = new wijmo.collections.CollectionView(data);
  
  $scope.init = function(s,e){
  	
    //handle event to add multiple sort levels
    s.sortingColumn.addHandler((s,e)=>{
      var colBinding=s.columns[e.col].binding;
      var asc=true;
      if(s.columns[e.col].currentSort=="+"){
      	asc=false;
      };
      //add new sort
      s.collectionView.sortDescriptions.splice(0,0,new wijmo.collections.SortDescription(colBinding,asc));
      
      //cancel default sort behaviour i.e single sort chain
      e.cancel=true;
    });
    //event handle for multiple sort levels ends here
    
    
    //add default sort
    s.collectionView.sortDescriptions.splice(0,0,new wijmo.collections.SortDescription('sales',true));
    s.collectionView.sortDescriptions.splice(0,0,new wijmo.collections.SortDescription('classification',true));
    
  };
  
});