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PODoctrine inheritance. Is there an easy way to get all child classes/tables for using them in a select field in symfony forms?
 

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  1. PODoctrine inheritance. Is there an easy way to get all child classes/tables for using them in a select field in symfony forms?
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    <p>I just started to use symfony 1.4 and Doctrine. (Used 1.0 - 1.2 + Propel a lot before). </p> <p>I thought to give Doctrine a try, because of the fast and huge Development process in the past. </p> <p>Thanks to jwage ;-) </p> <p>Im using Table Inheritance. This is a small portion of my schema.yml:</p> <pre><code>Articles: columns: id: type: integer(4) primary: true notnull: true autoincrement: true marken_id: type: integer(4) notnull: false user_id: type: integer(4) notnull: false address_id: type: integer(4) notnull: false </code></pre> <p>... </p> <pre><code>Vehicles: inheritance: extends: Articles type: concrete Rennfahrzeuge: columns: stvo: type: boolean notnull: false default: false inheritance: extends: Vehicles type: concrete Tourenwagen: inheritance: extends: Rennfahrzeuge type: column_aggregation keyField: type keyValue: 1 </code></pre> <p>... </p> <pre><code> Sonstige: inheritance: extends: Rennfahrzeuge type: column_aggregation keyField: type keyValue: 6 Karts: inheritance: extends: Vehicles type: concrete TonyKart: inheritance: extends: Karts type: column_aggregation keyField: type keyValue: 1 </code></pre> <p>... </p> <pre><code> Sonstige: inheritance: extends: Karts type: column_aggregation keyField: type keyValue: 9 </code></pre> <p>Im now thinking of using a simple way to create a the right form.</p> <p>The user should have to select fields at the top of the form (like you can see here : <a href="http://msm-esv.dyndns.org/frontend_dev.php/fahrzeuge/insert" rel="nofollow noreferrer">http://msm-esv.dyndns.org/frontend_dev.php/fahrzeuge/insert</a> )</p> <p>You should choose the "parent class" like Rennfahrzeuge or Karts and so on. </p> <p>After that the user should choose the child class like Tourenwagen or Sonstige. </p> <p>Then the page should reload and display the right form. </p> <p>Is there any function in Doctrine to get the inheritated/child classes for displaying them in the second select field? </p> <p>(e.g. Rennfahrzeuge has Tourenwagen,..,..., Sonstige and Karts has TonyKart,...,...,Sonstige) </p> <p>After that i could create dynamically the assigned form class like:</p> <pre><code>$chooseMode = $request-&gt;getParameter('chooseMode').'Form'; $modeFormClass = new $chooseMode(); </code></pre> <p>or i have thought about just setting the right model in the parent form class. </p> <p>What are your thoughts? I would really appreciate any suggestions and help :-) </p> <p>Thanks a lot,</p> <p>Marco </p>
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