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53 lines
1.7 KiB
ReStructuredText
Compatibility Notes
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===================
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One of our major improvements of ownCloud 4 are movable apps. Therefore we changed the way ownCloud loads apps. Apps used to be called directly through their index.php (e.g.: /files/index.php). The problem has been that apps would not been movable if they contain a hardcoded link to the Base Library.
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Apps will be called trough an parameter in ownCloud 4. An example for this is: /?app=files.
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ownCloud 3 apps are not supported regarding to this mayor change, but making an ownCloud 3 app compatible with ownCloud 4 is pretty easy.
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The first step is to **remove** the **require_once** command to the **Base library** in **every file** of your app.
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Afterwords you have to make sure that your app uses the ownCloud internal functions to generate paths.
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Paths:
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~~~~~~
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For generating a path in PHP use our new public API:
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.. code-block:: php
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OCP\Util::linkTo
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and for generating a path in Js use the function:
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.. code-block:: php
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OC.filePath
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CSS:
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~~~~
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You have to use the placeholders ``%appswebroot%`` and ``%webroot%``, if your CSS file contains relative paths.
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Example from our source code:
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.. code-block:: css
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#contacts_deletecard {position:relative; float:left; background:url('%webroot%/core/img/actions/delete.svg') no-repeat center; }
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public.php and remote.php
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~~~~~~~~~~~~~~~~~~~~~~~~~
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We introduced the files public.php and remote.php in ownCloud 4.
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If you want to know how to use them, you should take a look `here`_.
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New public API
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~~~~~~~~~~~~~~
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We also introduced our new public api. The documentation for this api can be found at http://api.ownCloud.org.
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.. _here: http://owncloud.org/dev/apps/public-php-and-remote-php/
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