Writing custom widgets in dojo

• Home /
• Essay /
• Writing custom widgets in dojo

Lesson 7: Create a custom Dojo widget

Widgets Dojo Toolkit ships with the Dojo framework, which is a set of graphical controls called widgets. We can build graphical user interfaces writing custom widgets in dojo these widgets. You may require a specific widget that is not provided by Dojo.

In this case, you can use Dijit's core in order to build writing custom widget with more ease. For our scenario, let's say that we have a data source somewhere, in JSON format, listing a series of authors, such as those who've penned a tutorial dojo Dojo.

We happen to have that, and it looks something like this:. We'll also say that we want it to be a little fancy—perhaps we get a background color to fade in as we mouse comparative study phd thesis it. Eventually, we want it to look dojo like this:. While this step is arguably optional, it's generally writing custom widgets a good practice to have a proper file structure for your custom Dijit work or custom code dojo general.

In this case "myApp" is the folder that will house all of our "custom" code — by "custom" dojo mean code written writing custom widgets in dojo for this app.

General-purpose and 3rd-party dojo like dojo, dijit, etc. This writing custom widgets in dojo is completely up to you, but use something meaningful, like the name of your writing custom widgets in dojo, or the application that this widget will be dojo part of. We like to group our widgets together, so we'll create a folder named "widget" directly under "myApp".

Creating Template-based Widgets - Dojo Toolkit Tutorial

Widgets often use external resources, writing custom widgets in dojo we'll add some folders under the "widget" folder to organize them — css, images, and templates. Our eventual structure looks like this:. Now that we have some structure to store our pieces, let's create some simple markup that represents an individual author. For your first widget, it's likely going to be simplest to just set up a basic page where you directly put in some sample values.

When you're working out a template, you should always writing custom widgets one parent wrapping element that contains all of the other elements. This element writing custom widgets in dojo be whatever you want, but it's important to have just one root element.

For our data, we'll use a div as our wrapping element.

Lesson 7: Create a custom Dojo widget

We'll put in our author's name using an H3 element, the image using an img element, and then our bio inside of a p /medical-school-personal-statement-qualities.html. For our purposes, we're not worried about events right now — but we definitely want to take writing custom widgets in dojo of some of the automatic insertion.

It's basically the markup defined above, but with some simple additions. You might have noticed that we haven't set the avatar's source directly. What happens if we have an author that doesn't have an avatar specified? We don't want to show writing custom widgets in dojo broken image.

Creating Dojo Widgets Programmatically or Declaratively

We'll handle the default value for that when we create our widget, which we'll do more info, in our file structure above, writing custom widgets in dojo going to create a file named AuthorWidget. We'll also add a default avatar image. Our file structure is starting to fill out a little!

• What is a verbal visual essay
• Help with scholarship essay write
• Research paper on healthy living