NamelessCoder · April 12, 2016 19:40 · Apr 12, 2016 · Apr 12, 2016
diff --git a/ContentElementDefinitionProvider.php b/ContentElementDefinitionProvider.php
@@ -1,29 +1,51 @@
 <?php
 
+/**
+ * Content Element Definition Provider
+ * 
+ * Contains methods to either remove/change or add
+ * content definitions to the new content wizard
+ * and content type selectors.
+ * 
+ * Same instance is used for removing and adding
+ * definitions (for performance and in case it
+ * needs an internal state for some reason).
+ * 
+ * To generate the final list of content element
+ * definitions that are available, every Provider
+ * must be consulted in the order they were registered.
+ * 
+ * A default Provider can be shipped which reads
+ * available definitions from pageTSconfig and has
+ * an empty modifyContentElementDefinitions() method.
+ */
 class ContentElementDefinitionProvider extends AbstractContentElementDefinitionProvider implements ContentDefinitionProviderInterface
 {
 
   /**
    * DEFINED ON INTERFACE
    *
-   * Manipulate current definitions. Return from this method the new
-   * array of definitions
+   * Remove from or change in current definitions. Return from this method the new
+   * array of definitions after removing unwanted or changing wanted definitions.
    *
    * @param ContentElementDefinition[] $currentDefinitions
    * @return ContentElementDefinition[]
    */
-  public function removeContentElementDefinitions(array $currentDefinitions)
+  public function modifyContentElementDefinitions(array $currentDefinitions)
   {
     $newDefinitions = $currentDefinitions;
+    // removing definitions
     unset($newDefinitions['media'], $newDefinitions['shortcut']);
+    // changing definitions
+    $newDefinitions['text']->setIcon('mycooltexticon.png');
     return $newDefinitions;
   }
 
   /**
    * DEFINED ON INTERFACE
    *
-   * Manipulate current definitions. Return from this method the new
-   * array of definitions
+   * Add new content definitions. Return from this method the new
+   * array of definitions that should be *added* to existing ones.
    *
    * @return ContentElementDefinition[]
    */

diff --git a/ContentElementDefinitionProvider.php b/ContentElementDefinitionProvider.php
@@ -0,0 +1,46 @@
+<?php
+
+class ContentElementDefinitionProvider extends AbstractContentElementDefinitionProvider implements ContentDefinitionProviderInterface
+{
+
+  /**
+   * DEFINED ON INTERFACE
+   *
+   * Manipulate current definitions. Return from this method the new
+   * array of definitions
+   *
+   * @param ContentElementDefinition[] $currentDefinitions
+   * @return ContentElementDefinition[]
+   */
+  public function removeContentElementDefinitions(array $currentDefinitions)
+  {
+    $newDefinitions = $currentDefinitions;
+    unset($newDefinitions['media'], $newDefinitions['shortcut']);
+    return $newDefinitions;
+  }
+
+  /**
+   * DEFINED ON INTERFACE
+   *
+   * Manipulate current definitions. Return from this method the new
+   * array of definitions
+   *
+   * @return ContentElementDefinition[]
+   */
+  public function addContentElementDefinitions()
+  {
+    $existingGroup = $this->getExistingContentElementDefinitionGroupByName('general');
+    $newContentDefinitionOne = new ContentElementDefinition();
+    $newContentDefinitionOne->setContentElementDefinitionGroup($existingGroup);
+    $newContentDefinitionOne->setCType('my_customtype');
+    $newContentDefinitionOne->setIcon('...');
+    $newContentDefinitionOne = new ContentElementDefinition();
+    $newContentDefinitionTwo->setContentElementDefinitionGroup(new ContentElementDefinitionGroup('mynewgroup'));
+    $newContentDefinitionTwo->setCType('...');
+    return array(
+      $newContentDefinitionOne,
+      $newContentDefinitionTwo
+    );
+  }
+
+}