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2. Building pages

Now that we have a base Angular app, it’s time to build a few static pages. In this step, we’ll become comfortable with the Carbon UI Shell, grid and various Carbon components.

Preview

A preview of what you’ll build:

Fork, clone and branch

This tutorial has an accompanying GitHub repository called carbon-tutorial-angular that we’ll use as a starting point for each step. If you haven’t forked and cloned that repository yet, and haven’t added the upstream remote, go ahead and do so by following the step 1 instructions.

Branch

With your repository all set up, let’s check out the branch for this tutorial step’s starting point.

git fetch upstream
git checkout -b angular-step-2 upstream/angular-step-2

Build and start app

Install the app’s dependencies (in case you’re starting fresh in your current directory and not continuing from the previous step):

npm install

Then, start the app:

npm start

You should see something similar to where the previous step left off.

Add grid

In our last step we added our styles, components and icon packages. Now we are going to build the pages with the grid component.

In styles.scss, we need to configure our grid to use 16 columns instead of the default 12 columns. We do this by adding grid-columns-16: true in our $feature-flags. $feature-flags must be set before importing from carbon-components, otherwise they won’t take affect.

src/styles.scss
$feature-flags: (
grid-columns-16: true
);

Next we’ll import our Carbon grid component into home.module.ts and landing-page.component.spec.ts.

src/app/home/landing-page/landing-page.component.spec.ts,src/app/home/home.module.ts
import { GridModule } from 'carbon-components-angular';
...
@NgModule({
...
imports: [GridModule]
})

Add landing page grid

Let’s add our grid elements to landing-page.component.html.

In order to use the grid, we need to wrap everything in a <div ibmGrid>. We can continue to make rows by adding a <div ibmRow> inside the grid, as well as make columns within those rows by adding <div ibmCol [columnNumbers]="{'[breakpoint]': [size]}".

Our column sizes are specified by the number of columns they’ll be spanning. If we use [columnNumbers]="{'lg': 4}", it means it’ll span 4 of the 16 columns. If we use [columnNumbers]="{'lg': 8}" it means it’ll span 8 of the 16 columns, and so on.

We’ve included the designs for this tutorial app in the design.sketch file found as a top-level file in the carbon-tutorial-angular repository. But, if you don’t have Sketch installed and available to inspect the design, we provide screenshots.

Landing page grid

Landing page grid

We’ll break this down into three rows. The first row with the gray background doesn’t appear to need any columns. The second row with the white background looks like it has two columns of different widths. The third row with the gray background looks like it has four columns of equal width.

We’ll make rows like so:

src/app/home/landing-page/landing-page.component.html
<div ibmGrid class="bx--grid--full-width landing-page">
<div ibmRow class="landing-page__banner">
<div ibmCol [columnNumbers]="{'lg': 16}">1</div>
</div>
<div ibmRow class="landing-page__r2">
<div ibmCol [columnNumbers]="{'md': 4, 'lg': 7}">7/16</div>
<div ibmCol class="bx--offset-lg-1" [columnNumbers]="{'md': 4, 'lg': 7}">
8/16
</div>

We added a class of bx--grid--full-width to the grid container since our rows need to expand the whole page without any margins. We also added some custom classes like landing-page, landing-page__banner, landing-page__r2, etc., which we will use later.

Also, take notice of the second row. The tab content only covers 7 columns at this large viewport to prevent overly-large line lengths, so we needed to add a 1 column offset bx--offset-lg-1 to the second column to fill the full 16 columns in the grid. Then, both of those columns have 'md': 4 so they are of equal width at medium-sized viewports.

Build landing page

We’ll start adding HTML elements and components by row.

First row

In our first row we’ll need a Breadcrumb component. First, let’s import the components we need in home.module.ts and landing-page.component.spec.ts.

src/app/home/home.module.ts,src/app/home/landing-page/landing-page.component.spec.ts
import { BreadcrumbModule, GridModule } from 'carbon-components-angular';
src/app/home/home.module.ts,src/app/home/landing-page/landing-page.component.spec.ts
imports: [BreadcrumbModule, GridModule];

We can now add our component to the first row, along with a header, like so:

src/app/home/landing-page/landing-page.component.html
<div ibmRow class="landing-page__banner">
<div ibmCol [columnNumbers]="{'lg': 16}">
<ibm-breadcrumb noTrailingSlash="true">
<ibm-breadcrumb-item href="/"> Getting started </ibm-breadcrumb-item>
</ibm-breadcrumb>
<h1 class="landing-page__heading">Design &amp; build with Carbon</h1>
</div>
</div>

You may notice that the styles look off. Don’t worry, we’ll fix these later.

Second row

In our second row we’ll need Tabs and Button components also in home.module.ts and landing-page.component.spec.ts. We’ll update the carbon-components-angular import to:

src/app/home/home.module.ts,src/app/home/landing-page/landing-page.component.spec.ts
import {
BreadcrumbModule,
ButtonModule,
GridModule,
TabsModule,
} from 'carbon-components-angular';
src/app/home/home.module.ts,src/app/home/landing-page/landing-page.component.spec.ts
imports: [BreadcrumbModule, ButtonModule, GridModule, TabsModule];

Now we need to modify the second row to use the Tab component.

src/app/home/landing-page/landing-page.component.html
<div ibmRow class="landing-page__r2">
<div ibmCol class="bx--no-gutter">
<ibm-tabs>
<ibm-tab heading="About">
<div ibmGrid class="bx--grid--no-gutter bx--grid--full-width">
<div ibmRow class="landing-page__tab-content">
<div ibmCol [columnNumbers]="{'md': 4, 'lg': 7}">7/16</div>
<div
ibmCol