Adding $_configuration['document_if_file_exists_option']

To set default upload option see BT#9235

main/document/upload.php

@@ -284,7 +284,7 @@ if (api_get_setting('search_enabled') == 'true') {
 
 $form->addElement('radio', 'if_exists', get_lang('UplWhatIfFileExists'), get_lang('UplDoNothing'), 'nothing');
 $form->addElement('radio', 'if_exists', '', get_lang('UplOverwriteLong'), 'overwrite');
-$form->addElement('radio', 'if_exists', '', get_lang('UplRenameLong'), 'rename', array('checked="checked"'));
+$form->addElement('radio', 'if_exists', '', get_lang('UplRenameLong'), 'rename');
 // Close the java script and avoid the footer up
 $form->addElement('html', '</div>');
 
@@ -292,7 +292,17 @@ $form->addElement('html', '</div>');
 $form->addElement('style_submit_button', 'submitDocument', get_lang('SendDocument'), 'class="upload"');
 $form->add_real_progress_bar('DocumentUpload', 'file');
 
-$defaults = array('index_document' => 'checked="checked"');
+$fileExistsOption = api_get_configuration_value('document_if_file_exists_option');
+
+$defaultFileExistsOption = 'rename';
+if (!empty($fileExistsOption)) {
+    $defaultFileExistsOption = $fileExistsOption;
+}
+
+$defaults = array(
+    'index_document' => 'checked="checked"',
+    'if_exists' => $defaultFileExistsOption
+);
 
 $form->setDefaults($defaults);
 

main/inc/ajax/document.ajax.php

@@ -25,7 +25,13 @@ switch ($action) {
             exit;
         }
 
-        $ifExists = isset($_POST['if_exists']) ? $_POST['if_exists'] : 'overwrite';
+        $fileExistsOption = api_get_configuration_value('document_if_file_exists_option');
+        $defaultFileExistsOption = 'rename';
+        if (!empty($fileExistsOption)) {
+            $defaultFileExistsOption = $fileExistsOption;
+        }
+
+        //$ifExists = isset($_POST['if_exists']) ? $_POST['if_exists'] : $defaultFileExistsOption;
 
         if (!empty($_FILES)) {
             require_once api_get_path(LIBRARY_PATH).'fileDisplay.lib.php';
@@ -36,7 +42,7 @@ switch ($action) {
                 $file['name'],
                 '', // comment
                 0,
-                $ifExists,
+                $defaultFileExistsOption,
                 false,
                 false
             );

main/install/configuration.dist.php

@@ -276,3 +276,5 @@ $_configuration['system_stable']     = NEW_VERSION_STABLE;
 // Max quantity of fkceditor allowed in the exercise result page otherwise
 // Textareas are used.
 //$_configuration['exercise_max_fckeditors_in_page'] = 0;
+// Default upload option
+//$_configuration['document_if_file_exists_option'] = 'rename'; // overwrite