How Do You Work With Diverse Layouts in Your Application Using Yii2?
This post will demonstrate how to design several action view layouts for your app. For instance, we anticipate that the pages of our application will have one of three different layouts:
A one-column layout just contains the main content area; a two-column layout has the main content area and a left sidebar that displays portlets; and a three-column style has the main content area, a left sidebar that displays portlets, and a right sidebar that displays some context information.
Creating Layouts
The CSS design is made simpler with the help of the 960 Grid System.
We begin with the major layout, which will be the parent of the three because all three layouts share the same header and footer elements. The protected/views/layouts folder houses all of these layout files.
Making Use of Layouts
As we know, [CWebApplication::layout] and [CController::layout] are the two properties that have the most influence over how a page is laid up (generated by using [CController::render]). While the latter can be used to override the former and specify a unique layout for a particular page, the former specifies the global layout for all pages in the application.
Because they vary between views, we don't know how to specify the breadcrumbs and portlets. It only makes sense to construct a base controller class to provide these common features and then derive each specific concrete controller class from this base class as we presume the current controller has crumbs, portlets, and portlets2 attributes in all of these layouts.
To use the aforementioned column-based layouts, we must configure the [CController::layout] property in each action view. Although this property can be set in the controller or action class, it would be preferable to set it in the view script because it is related to rendering. For instance, a post list page might require a three-column layout.
What Is the Yii2 Habtm Model?
The definition of habtm is HasAndBelongsToMany. For accessing associated data across several entities, it is a type of association that may be defined in models.
Conclusion
Well, this is where you can learn the most about the Yii2 Habtm Model and how to use Yii2 to work with a variety of layouts in your application. You can find out more about our Yii2 service to meet the needs of your project.
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