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Learning about design templates


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Design templates are reusable patterns that provide form and function for your user interface. Each template includes predefined areas to which you can add application content. By applying design templates to UI sections, you achieve consistency across your application, shorten development time, and reduce maintenance efforts.

Template-based sections

Design templates consist of a layout and named regions. When you create a new section, you can specify the design template for the section, and then insert your content, for example, fields or other reusable sections, into the regions.

When you update the content of a design template, any section that uses that design template is automatically rebuilt when you generate your application. Similarly, when you switch the design template on which a section is based to another template, the section is automatically rebuilt with the new template. In this way, you reduce maintenance to a minimum because when you need to change the interface, you only need to adjust several templates instead of a large number of individual sections.

Design templates and rulesets

Design templates are rules that you can store in rulesets, which affects how they function. As rules, you can also version design templates, save them in branch rulesets, and so on.

When you develop a UI with the use of design templates, consider the following points:

  • If a design template is in an application ruleset, the design template can support only sections in the application ruleset, or in branch rulesets of the same application.

  • If a design template includes rules from branch rulesets, such as binary files, you cannot apply that design template to a section that you create in the application ruleset in App Studio. In such a scenario, the rule (the binary file) is unavailable.

  • If a design template of a section is part of a specialized ruleset, you cannot switch that design template to another template.

  • Organizing rules into rulesets

    To identify, store, and manage the set of rules that define the reusable elements of an application, organize rules into rulesets. When you group rules into a ruleset, you save time, because you can reuse an entire ruleset within different applications in your system instead of reusing or creating individual rules.

  • Sections

    Sections are the building blocks of your user interface. You can populate a section with components, such as fields and controls, to create a functional chunk of user interface that can be reused in different contexts for improved consistency and efficient development.

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