If you follow the first part of this blog topic, you have a running Django dashboard.
But, the content ist still static. Lets review the current state:
Prepare our Django project
Right now, the whole content of our Django project is provided by the dashboard template
dashboard/template/site/base.html
Looking at our web site, you will see the different side menu items. So, intentionally, our web site should display different pages. And each page should provide the dynamic content.
The final goal of this part is to change our web app, so that each side item navigates us to a different page. For this, we have to take care about two things:
Navigation: how to we get to another page in our app
Project Structure: where to place the required components for each page
Basics of Navigation
Navigation usually is the process of getting from one page to another by clicking on a link.
So, we need to things:
the source page, containing the link
the destination page
the link, pointing to the destination page
Let’s take a look into the site template with the side menu:
Linking to a html page is not possible, because Django does not work with html pages. Navigation in Django works with urls (in urls.py) and views in (views.py).
We must replace the html link tag (<a href="buttons.html">) with an Django-conform code. Read here for more details and the basics.
The idea behind the navigation is
Define the needed links
/buttons
Give each link a name
“buttons”
Define, which view to call for this link
components/buttons/views.py
Tell Django, how to insert this link in a html page
<a href="{
With this in mind, we change our site template for the side navigation (e. g. for the components menu):
But, if you save the template and try to view the web page, you will see this error:
We missed to tell Django, what to do when the corresponding link for this name is requested. We have to tell Django to use the view defined in buttons/views.py to generate the resulting view/page.
So, change the global url mapping file dashboard/urls.py
Each template base.html should have the following content:
{
{
{
And each corresponding view.py file should have the following content, only the template_name should be different (the name of the template base.html file)
from django.views import generic
class IndexView(generic.TemplateView):
template_name = 'buttons/base.html'
So, for each template file, we have to
locate the corresponding html file from the install folder (see table above)
copy the content between these tags to the template file:
If you follow the first part of this blog topic, you have a running Django dashboard.
But, unfortunately, the content is still static. Let’s review the current state:
Perfect. We are done with the basic setup.
Still, some work to do, because our dashboard is only a static dashboard. All content is programmed in the dashboard template file dashboard/templates/site/sb-admin-2/base.html
For example, look at the cards with the earnings at the top:
To achieve a more dynamic content, we need to move the desired parts of the dashboard from the template file to the frontend view file.
We will do this by following these steps:
Identify the dynamic parts
Move these parts from the template into for frontend view template index.html
Modify frontend view.py to generate dynamic content from data
Identify dynamic parts
How to find the parts, which are dynamic.
One way is to ask:
Which parts should be on every page (unchanged) and
What should change on every page
You mostly get the same answers by the question:
What are the main components of a web page (including navigation and content)
For answer the first question, take a look at the current page and “name” the areas:
So, these “names” are also the answer for the 3. Question:
sidemenu
top bar
content
And maybe you find additional “names”
header
footer
top menu
left and right sidebar
Find identified parts in template
Next step is, to find the identified parts in our dashboard template
dashboard/templates/site/sb-admin-2/base.html
This is an easy step, because the developer of the SB Admin 2 template documented their template well:
Looking into the code of the template, you will find comment lines describing the content:
<!-- Sidebar -->
<!-- Topbar -->
<!-- Top Search -->
<!-- Top Navbar -->
<!-- Begin Page Content-->
So, it is obvious what do to next:
get the dynamic part (lines under)<!-- Begin Page Content--> the green box in the following image
move it to the frontend template
place some information in the dashboard template, that the real content should be displayed here the blue curly braces in the following image
This is the way, the template system of django works:
Let’s explain this with a simple example: the page title
We declare a title (which should be considered as the default title). And in the frontend page, we declare the title for this page (the frontend page).
To achieve this, we have to tell our template system the following:
Now, we do the same with the content:
Looking at our resulting page, nothing changes. This is the desired result, but how could we be sure, that we really change the structure?
Well, let’s make a test and try to include a different content in the dashboard template.
Change the lines, where we include the content into this:
{
MISSING CONTENT
{
Did you notice the other name of the content: content_missing?
Change the template, save the file and have a look at the result:
Change content back, so your template is working again:
{
MISSING CONTENT
{
The final step in Part 3 will be replacing all static content of the dashboard with dynamic content.
Building a complete web app isn’t always an easy task. Designing and Implementing on both sides (backend and front-end) requires mostly a lot of knowledge. So, why don’t using tools or framework, which helps and makes our life easier. Django is one of these frameworks:
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development
So, let’s get started.
Create project
For subsequent steps, we will remember our starting directory
❯ DASHBOARD_ROOT=$(pwd)
❯ echo $DASHBOARD_ROOT
... here you will see your current folder...
{
{
{
{
{
<main>
<div class="p-5 mb-4 bg-body-tertiary rounded-3">
<div class="container-fluid py-5">
<h1 class="display-5 fw-bold">Custom jumbotron</h1>
<p class="col-md-8 fs-4">Using a series of utilities, you can create this jumbotron, just like the one in
previous versions of Bootstrap. Check out the examples below for how you can remix and restyle it to
your liking.</p>
<button class="btn btn-primary btn-lg" type="button">Example button</button>
</div>
</div>
</div>
</main>
{
Still some work to do, because our dashboard is only a static dashboard. All content is programmed in the dashboard template file dashboard/templates/site/sb-admin-2/base.html
For example, look at the cards with the earnings at the top:
To achieve a more dynamic content, we need to move the desired parts of the dashboard from the template file to the front-end view file.
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