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Templates README $Id$ This directory hierarchy contains very simple templates for the docweb templating system. The templating engine is equipped with a natural fallback procedure. This procedure allows a developer to create templates in different languages, and for different sub-projects, while maintaining a "default" language and project when specific templates are not found. The fallback procedure is as follows: - if the specified template, for the active language and project is available: use it. - if the specified template, for the active language is available, but there is no template for the active project, use the active language, default project template. - if the above two conditions are not met, use the default language and default project template. - if the above condition is not met (there is no default template, trigger a fatal error (coding problem). For this reason, you will notice that the "en" tree is completely empty (this is redundant, unless the default ever changes to another language), and the [lang]/www trees are also empty (as www is the default project). ---- Templates & Rules Currently, templates are just PHP source files. The DocWeb template engine is simple enough that if there is ever a decision to move towards another engine, this will be possible with minimal re-coding (by using DocWeb_Template as a wrapper). Using the native language (PHP) for templates presents certain dangers, in the form of power. For this reason, whem creating/maintaining templates, the following rules should be observed. - Templates are designed for DISPLAY LOGIC ONLY. That is, avoid performing any non-display logic inside the templates. For instance, it is acceptable to loop through an array of links to output their values. It is not, however, acceptable to loop through a list of files, and check readability. This type of logic should be performed outside of the template. - When rendering, templates are given their own scope (the $params argument). It is possible to use external values (such as $this (the template object), or $GLOBALS. Avoid this, and pass all required values as parameters. - As a convenience, templates may/should omit the PHP License header.