'fieldset',
'#title' => t('Image Management'),
'#prefix' => '',
'#suffix' => '
',
);
$kh_data_array = variable_get('particle_emitter_images', '');
$data = array();
if (!empty($kh_data_array)) {
$data = $kh_data_array;
}
if (!isset($form_state['image_count']) && !empty($kh_data_array)) {
$form_state['image_count'] = count($data);
}
if (empty($form_state['image_count'])) {
$form_state['image_count'] = 1;
}
$_data = array_values($data);
$data = $_data;
$form['particle_emitter_images_fieldset']['description1'] = array(
'#markup' => '' . t('In this section you can manage your custom images. To add a new custom image click the "Add new image" button. To activate the images go to image configuration') . '
',
);
$form['particle_emitter_images_fieldset']['particle_emitter_description_br'] = array(
'#markup' => '
',
);
$form['particle_emitter_images_fieldset']['particle_emitter_add_image'] = array(
'#type' => 'submit',
'#value' => 'Add new image',
'#title' => t('Add new image'),
'#submit' => array('particle_emitter_images_form_add_image'),
'#ajax' => array(
'callback' => 'particle_emitter_images_form_callback',
'wrapper' => 'images-fieldset-wrapper',
),
);
$form['particle_emitter_images_fieldset']['description2'] = array(
'#markup' => '' . t('Overview of custom images avaiable:') . '
',
);
for ($i = 0; $i < $form_state['image_count']; $i++) {
$particle_emitter_item_link = (isset($data[$i]['link']))?$data[$i]['link'] : '';
if ((isset($data[$i]['file']['file_managed_container']['file_managed_element'])) AND
($data[$i]['file']['file_managed_container']['file_managed_element'] != 0)) {
$particle_emitter_item_file = $data[$i]['file']['file_managed_container']['file_managed_element'];
}
else {
$particle_emitter_item_file = 0;
}
$form['particle_emitter_images_fieldset'][$i] = array(
'#prefix' => /*($i == 0) ? $header : */'',
'#suffix' => '
',
);
$form['particle_emitter_images_fieldset'][$i]['file'] = array(
'file_managed_container' => array(
'file_managed_element' => array(
'#title' => t('Image'),
'#title_display' => 'invisible',
'#type' => 'managed_file',
'#upload_location' => 'public://particle_emitter/',
'#default_value' => $particle_emitter_item_file,
'#upload_validators' => array(
'file_validate_extensions' => array('gif png jpg jpeg'),
'file_validate_size' => array(1000000),
),
'#description' => t('Image'),
),
),
);
$form['particle_emitter_images_fieldset'][$i]['link'] = array(
'#type' => 'textfield',
'#title' => t('Link'),
'#title_display' => 'invisible',
'#description' => t('Image link'),
'#default_value' => $particle_emitter_item_link,
'#size' => 40,
'#maxlength' => 120,
'#required' => FALSE,
);
$form['particle_emitter_images_fieldset'][$i]['particle_emitter_image_delete'] = array(
'#type' => 'checkbox',
'#title' => t('Remove this custom image'),
);
$form['particle_emitter_images_fieldset'][$i]['particle_emitter_br'] = array(
'#markup' => '
',
);
}
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Save settings'),
);
return $form;
}
/**
* Submit handler for the "add-one-more" button.
*
* Increments the max counter and causes a rebuild.
*/
function particle_emitter_images_form_add_image($form, &$form_state) {
$form_state['image_count']++;
$form_state['rebuild'] = TRUE;
}
/**
* Callback for both ajax-enabled buttons.
*
* Selects and returns the fieldset including all items.
*/
function particle_emitter_images_form_callback($form, $form_state) {
return $form['particle_emitter_images_fieldset'];
}
/**
* Delete managed file.
*/
function particle_emitter_delete_managed_file($fileid) {
$file = file_load($fileid) ;
if ($file) {
file_usage_delete($file, 'particle_emitter', 'particle_emitter', 1);
file_delete($file);
return $fileid;
}
return false;
}
/**
* Save managed file.
*/
function particle_emitter_save_managed_file($fileid) {
$file = file_load($fileid);
if ($file->status==0) {
$file->status = FILE_STATUS_PERMANENT;
file_save($file);
file_usage_add($file, 'particle_emitter', 'particle_emitter', 1);
return $fileid;
}
return false;
}
/**
* Final submit handler.
*
* Reports what values were finally set.
*/
function particle_emitter_images_form_submit($form, &$form_state) {
$submittedvars = array();
$savedvariables = array();
$savedvariablestmp = variable_get('particle_emitter_images');
if (isset($form_state['values']['particle_emitter_images_fieldset']['particle_emitter_add_image'])) {
unset($form_state['values']['particle_emitter_images_fieldset']['particle_emitter_add_image']);
}
if (isset($form_state['values']['particle_emitter_images_fieldset']['particle_emitter_image_delete'])) {
unset($form_state['values']['particle_emitter_images_fieldset']['particle_emitter_image_delete']);
}
for ($i = count($form_state['values']['particle_emitter_images_fieldset'])-1; 0 <= $i; $i--) {
$submittedvars['particle_emitter_image_delete'] = $form_state['values']['particle_emitter_images_fieldset'][$i]['particle_emitter_image_delete'];
$submittedvars['link'] = $form_state['values']['particle_emitter_images_fieldset'][$i]['link'];
$submittedvars['file'] = $form_state['values']['particle_emitter_images_fieldset'][$i]['file']['file_managed_container']['file_managed_element'];
$savedvariables['particle_emitter_image_delete'] = (isset($savedvariablestmp[$i]['particle_emitter_image_delete'])) ? $savedvariablestmp[$i]['particle_emitter_image_delete'] : '';
$savedvariables['link'] = (isset($savedvariablestmp[$i]['link'])) ? $savedvariablestmp[$i]['link'] : '';
$savedvariables['file'] = (isset($savedvariablestmp[$i]['file']['file_managed_container']['file_managed_element'])) ? $savedvariablestmp[$i]['file']['file_managed_container']['file_managed_element'] : '';
if($submittedvars['particle_emitter_image_delete'] == 1) {
if($submittedvars['file'] != 0) {
if($returnvalue = particle_emitter_delete_managed_file($submittedvars['file'])) {
drupal_set_message("Particle Emitter managed file ".$returnvalue[0]." successfully deleted. (320)");
$form_state['values']['particle_emitter_images_fieldset'][$i]['file']['file_managed_container']['file_managed_element'] = 0 ;
}
else
drupal_set_message("Particle Emitter managed file ".$submittedvars['file']." could not be deleted.(326)", $type = 'error');
}
unset($form_state['values']['particle_emitter_images_fieldset'][$i]);
drupal_set_message("Particle Emitter item ".$i." successfully deleted. (330)");
}
elseif($submittedvars['particle_emitter_image_delete'] == 0) {
if($submittedvars['file'] != 0){
if($returnvalue = particle_emitter_save_managed_file($submittedvars['file'])) {
drupal_set_message("Particle Emitter managed file ".$returnvalue." successfully saved.");
$form_state['values']['particle_emitter_images_fieldset'][$i]['file']['file_managed_container']['file_managed_element'] = $returnvalue;
}
}
else if($savedvariables['file'] != 0 && $submittedvars['file'] == 0) {
if($returnvalue = particle_emitter_delete_managed_file($savedvariables['file'])) {
drupal_set_message("Particle Emitter managed file ".$savedvariables['file']." successfully deleted. (350)");
$form_state['values']['particle_emitter_images_fieldset'][$i]['file']['file_managed_container']['file_managed_element'] = 0;
}
}
}
}
variable_set("particle_emitter_images", array_values($form_state['values']['particle_emitter_images_fieldset']));
drupal_set_message("All image sets successfully saved.");
cache_clear_all();
}
/**
* Implements hook_form_validate().
*/
function particle_emitter_images_form_validate($form, &$form_state) {
$_data = $form_state['values']['particle_emitter_images_fieldset'];
unset($_data['particle_emitter_add_image']);
$data = array_values($_data);
foreach ($data as $k => $v) {
if (!empty($v['link'])) {
if (!preg_match(
'/^(http|https)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?\/?([a-zA-Z0-9\-\._\?\,\'\/\\\+&%\$#\=~])*$/', $v['link'])) {
form_set_error('url', t('Please provide a valid URL. Example: http://www.example.org'));
}
}
}
}