ionic-framework/demos/component-docs/navigation.ts

import {NavController, NavParams} from 'ionic/ionic';
import {IonicView, Events} from 'ionic/ionic';
import * as helpers from 'helpers';

@IonicView({
  templateUrl: 'navigation.html'
})
export class NavigationDetailsPage {
  constructor(nav: NavController, params: NavParams, events: Events) {
    this.nav = nav;
    this.selection = { title: params.data.name };
    var navData = {
        'Angular': "A powerful Javascript framework for building single page apps. Angular is open source, and maintained by Google.",
        'CSS3': "The latest version of cascading stylesheets - the styling language of the web!",
        'HTML5': "The latest version of the web's markup language.",
        'Sass': "Syntactically Awesome Stylesheets - a mature, stable, and powerful professional grade CSS extension."
    };
    var navIcons = {
        'Angular': 'ion-social-angular',
        'CSS3': 'ion-social-css3',
        'HTML5': 'ion-social-html5',
        'Sass': 'ion-social-sass'
    };
    this.selection['content'] = navData[this.selection.title];
    this.selection['icon'] = navIcons[this.selection.title];
    window.onmessage = (e) => {
      zone.run(() => {
        if (e.data) {
          var data = JSON.parse(e.data);
          var componentTitle = helpers.toTitleCase(data.hash.replace('-', ' '));
          events.publish('page:locationChange', { componentName: componentTitle });
          this.nav.pop();
        }
      });
    };

  }
}