field_kaltura.module in Kaltura 6.2
Same filename and directory in other branches
kaltura integration module - functions to provide kaltura as CCK field
File
plugins/field_kaltura/field_kaltura.moduleView source
<?php
/**
* @file
* kaltura integration module - functions to provide kaltura as CCK field
*
*/
/**
* Implementation of hook_theme().
*/
function field_kaltura_theme() {
return array(
'field_kaltura_textfield' => array(
'arguments' => array(
'element' => NULL,
),
),
'field_kaltura_remix_textfield' => array(
'arguments' => array(
'element' => NULL,
),
),
'field_kaltura_formatter_default' => array(
'arguments' => array(
'element' => NULL,
),
),
'field_kaltura_formatter_full' => array(
'arguments' => array(
'element' => NULL,
),
),
'field_kaltura_formatter_teaser' => array(
'arguments' => array(
'element' => NULL,
),
),
'field_kaltura_formatter_thumbnail' => array(
'arguments' => array(
'element' => NULL,
),
),
);
}
/**
* Implementation of hook_field_info().
*/
function field_kaltura_field_info() {
$fields = array();
if (module_exists('node_kaltura_entry')) {
$fields['Kaltura_Media'] = array(
'label' => t('Kaltura Media'),
'description' => t('Store text in the database.'),
);
}
if (module_exists('node_kaltura_mix')) {
$fields['Kaltura_Media_Remix'] = array(
'label' => t('Kaltura Media Remix'),
'description' => t('Store text in the database.'),
);
}
return $fields;
}
/**
* Implementation of hook_field_settings().
*/
function field_kaltura_field_settings($op, $field) {
switch ($op) {
case 'form':
$form = array();
// specific field setting can come here (taxonomy integration/player selection/etc...)
$form['thumbsize'] = array(
'#type' => 'fieldset',
'#title' => t('Thumbnail Dimensions'),
'#description' => t('Note - these settings will only apply when choosing "Thumbnail" display'),
);
$form['thumbsize']['thumbsize_width'] = array(
'#type' => 'textfield',
'#title' => t('Thumbnail Width'),
'#size' => 5,
'#default_value' => !empty($field['thumbsize_width']) ? $field['thumbsize_width'] : '',
);
$form['thumbsize']['thumbsize_height'] = array(
'#type' => 'textfield',
'#title' => t('Thumbnail Height'),
'#size' => 5,
'#default_value' => !empty($field['thumbsize_height']) ? $field['thumbsize_height'] : '',
);
$saved_player = !empty($field['entry_widget']) ? $field['entry_widget'] : KalturaSettings_DEFAULT_VIDEO_PLAYER_UICONF;
$players = kaltura_choose_player(0, 'video', 'entry', FALSE, $saved_player);
$form['kaltura_entry_video_display'] = array(
'#type' => 'fieldset',
'#title' => t('Video Display'),
);
$form['kaltura_entry_video_display']['entry_widget'] = $players['default_widget'];
$form['kaltura_entry_video_display']['entry_widget']['#default_value'] = $saved_player;
$dynamic_dimension_js = '
<script type="text/javascript">
function set_video_player_dimension(uiconf)
{
document.getElementById("edit-player-height").value=get_video_player_height(uiconf);
document.getElementById("edit-player-width").value=get_video_player_width(uiconf);
}
</script>
';
$form['kaltura_entry_video_display']['player_width'] = array(
'#type' => 'textfield',
'#title' => t('Player Width'),
'#size' => 5,
'#prefix' => $dynamic_dimension_js,
'#default_value' => !empty($field['player_width']) ? $field['player_width'] : '400',
);
$form['kaltura_entry_video_display']['player_height'] = array(
'#type' => 'textfield',
'#title' => t('Player Height'),
'#size' => 5,
'#default_value' => !empty($field['player_height']) ? $field['player_height'] : '330',
);
$default_cw = variable_get('kaltura_video_entry_cw_type', KalturaSettings_CW_UICONF_ID);
$default_cw = !empty($field['entry_cw']) ? $field['entry_cw'] : $default_cw;
$custom_cw = !empty($field['custom_cw']) ? $field['custom_cw'] : '';
list($regular, $custom) = kaltura_choose_cw('kaltura_video_entry_cw_type', 'kaltura_video_entry_cw_custom', $default_cw);
$form['entry_cw'] = $regular;
$form['custom_cw'] = $custom;
$form['custom_cw']['#default_value'] = $custom_cw;
return $form;
case 'save':
return array(
'allowed_values',
'allowed_values_php',
'thumbsize_height',
'thumbsize_width',
'entry_widget',
'entry_cw',
'custom_cw',
'player_height',
'player_width',
);
case 'database columns':
$columns['value'] = array(
'type' => 'text',
'size' => 'big',
'not null' => FALSE,
'sortable' => TRUE,
);
return $columns;
case 'views data':
$allowed_values = content_allowed_values($field);
if (count($allowed_values) || 1) {
$data = content_views_field_views_data($field);
$db_info = content_database_info($field);
$table_alias = content_views_tablename($field);
// Filter: Add a 'many to one' filter.
$copy = $data[$table_alias][$field['field_name'] . '_value'];
$copy['title'] = t('@label (!name) - Allowed values', array(
'@label' => t($field['widget']['label']),
'!name' => $field['field_name'],
));
$copy['filter']['handler'] = 'content_handler_filter_many_to_one';
unset($copy['field'], $copy['argument'], $copy['sort']);
$data[$table_alias][$field['field_name'] . '_value_many_to_one'] = $copy;
// Argument : swap the handler to the 'many to one' operator.
$data[$table_alias][$field['field_name'] . '_value']['argument']['handler'] = 'content_handler_argument_many_to_one';
return $data;
}
}
}
/**
* Implementation of hook_form_alter().
*/
function field_kaltura_form_alter(&$form, &$form_state, $form_id) {
//var_dump($form);
if ($form['#field']['type'] == 'Kaltura_Media') {
$form['#field']['multiple'] = "1";
$form['field']['multiple']['#type'] = 'hidden';
$form['field']['multiple']['#default_value'] = 0;
unset($form['widget']['default_value_fieldset']);
}
}
/**
* Implementation of hook_field().
*/
function field_kaltura_field($op, &$node, $field, &$items, $teaser, $page) {
switch ($op) {
case 'view':
case 'insert':
field_kaltura_create_node($node, $items, $field['type']);
break;
case 'validate':
$allowed_values = content_allowed_values($field);
if (is_array($items)) {
foreach ($items as $delta => $item) {
$error_element = isset($item['_error_element']) ? $item['_error_element'] : '';
if (is_array($item) && isset($item['_error_element'])) {
unset($item['_error_element']);
}
if (!empty($item['value'])) {
// allowed values validation
if (count($allowed_values) && !array_key_exists($item['value'], $allowed_values)) {
form_set_error($error_element, t('%name: illegal value.', array(
'%name' => t($field['widget']['label']),
)));
}
// max length validation
if (!empty($field['max_length']) && drupal_strlen($item['value']) > $field['max_length']) {
form_set_error($error_element, t('%name: the value may not be longer than %max characters.', array(
'%name' => $field['widget']['label'],
'%max' => $field['max_length'],
)));
}
}
// validation that entry exists on Kaltura server
try {
$entries = explode(',', $item['value']);
foreach ($entries as $entry_id) {
if (!empty($entry_id)) {
$entry = kaltura_get_entry($entry_id);
}
}
} catch (Exception $ex) {
watchdog('field_kaltura', t('Kaltura Exception: %message, backtrace: <pre>!trace</pre>'), array(
'%message' => $ex
->getMessage(),
'!trace' => print_r($ex
->getTrace(), 1),
));
switch ($ex
->getCode()) {
case 'ENTRY_ID_NOT_FOUND':
form_set_error($error_element, t('Entry not found on Kaltura server: @message', array(
'@message' => $ex
->getMessage(),
)));
break;
default:
form_set_error($error_element, t('Kaltura client exception: @message', array(
'@message' => $ex
->getMessage(),
)));
}
}
}
}
return $items;
case 'sanitize':
foreach ($items as $delta => $item) {
$items[$delta]['#kaltura_field'] = $field;
}
break;
}
}
/**
* Make sure there is an entry in the node_kaltura table for mixes that are in fields, so we have a common place to store metadata.
*/
function field_kaltura_create_node($node, $items, $type) {
$kaltura_client = KalturaHelpers::getKalturaClient();
$session_user = KalturaHelpers::getSessionUser();
if ($kaltura_client) {
foreach ($items as $item) {
$entries = explode(',', rtrim($item['value'], ','));
foreach ($entries as $entry_id) {
//TO DO: CM - add Kaltura error handling
try {
if ($type == 'Kaltura_Media') {
$result = $kaltura_client->media
->get($entry_id);
}
else {
// Mix
$result = $kaltura_client->mixing
->get($entry_id);
}
} catch (Exception $ex) {
watchdog('field_kaltura', t('Kaltura Exception: %message, backtrace: <pre>!trace</pre>'), array(
'%message' => $ex
->getMessage(),
'!trace' => $ex
->getTrace(),
));
switch ($ex
->getCode()) {
case 'ENTRY_ID_NOT_FOUND':
form_set_error($error_element, t('Entry not found on Kaltura server: @message', array(
'@message' => $ex
->getMessage(),
)));
break;
default:
form_set_error($error_element, t('Kaltura client exception: @message', array(
'@message' => $ex
->getMessage(),
)));
}
}
$node_kaltura->nid = $node->nid;
$node_kaltura->vid = $node->vid;
$node_kaltura->kaltura_entryId = $result->id;
$node_kaltura->kaltura_media_type = $result->type;
$node_kaltura->kstatus = $result->status;
$node_kaltura->kaltura_thumbnail_url = $result->thumbnailUrl;
$node_kaltura->kaltura_duration = $result->duration;
$node->kaltura_partner_data = $result->partnerData;
$node->kaltura_source = '';
$node->kaltura_source_id = '';
$node->kaltura_source_link = '';
$node->kaltura_width = '';
$node->kaltura_height = '';
$node->kaltura_download_url = $result->downloadUrl;
$node->kaltura_media_date = '';
$node->kaltura_views = $result->views;
$node->kaltura_plays = $result->plays;
$node->kaltura_votes = $result->votes;
$node->kaltura_rank = $result->rank;
$node->kaltura_total_rank = $result->totalRank;
//TO DO: CM
//add extras here like node_kaltura module
field_kaltura_field_insert($node_kaltura);
}
}
}
}
/**
* Implement hook_field_insert()
*/
function field_kaltura_field_insert($node) {
$sql = 'INSERT INTO {node_kaltura} (vid, nid, kaltura_entryId, kaltura_tags, kaltura_admin_tags, kstatus, kaltura_media_type, kaltura_duration, ' . 'kaltura_thumbnail_url, kaltura_partner_data, kaltura_source, kaltura_source_id, kaltura_source_link, kaltura_width, kaltura_height, ' . 'kaltura_download_url, kaltura_media_date, kaltura_views, kaltura_plays, kaltura_votes, kaltura_rank, kaltura_total_rank, kaltura_entry_data)' . ' VALUES (%d, %d, \'%s\', \'%s\', \'%s\', %d, %d, %d, \'%s\', \'%s\', %d, %d, \'%s\', %d, %d, \'%s\', \'%s\', %d, %d, %d, %d, %d, \'%s\')';
db_query($sql, $node->vid, $node->nid, $node->kaltura_entryId, $node->kaltura_tags, $node->kaltura_admin_tags, $node->kstatus, $node->kaltura_media_type, $node->kaltura_duration, $node->kaltura_thumbnail_url, $node->kaltura_partner_data, $node->kaltura_source, $node->kaltura_source_id, $node->kaltura_source_link, $node->kaltura_width, $node->kaltura_height, $node->kaltura_download_url, $node->kaltura_media_date, $node->kaltura_views, $node->kaltura_plays, $node->kaltura_votes, $node->kaltura_rank, $node->kaltura_total_rank, $node->kaltura_entry_data);
//kaltura_update_mix_node_taxonomy($node);
}
/**
*
*/
function kaltura_get_default_display($item, $teaser, $node) {
$node_update_access = node_access('update', $node);
$show_embed = user_access('view Kaltura embed code');
$content_type = $item['#kaltura_field']['type_name'];
$entries = explode(',', rtrim($item['value'], ','));
if (is_array($entries) && count($entries)) {
foreach ($entries as $entry_id) {
$width = $item['#kaltura_field']['player_width'];
$height = $item['#kaltura_field']['player_height'];
$uiconf = empty($item['#kaltura_field']['entry_widget']) ? '' : 'uiconf_id="' . $item['#kaltura_field']['entry_widget'] . '"';
$dim = "";
if (!$entry_id) {
continue;
}
if (!empty($width) && !empty($height)) {
$dim = ' width="' . $width . '" height="' . $height . '"';
}
$text = '<div class="field-entry-' . $entry_id . '">[kaltura-widget mix="' . $entry_id . '" size="large" ' . $uiconf . $dim . ' /]</div>';
}
}
return kaltura_replace_tags($text, FALSE, FALSE, $node_update_access, $show_embed, $content_type);
}
function kaltura_get_full_display($item, $teaser, $node) {
$node_update_access = node_access('update', $node);
$show_embed = user_access('view Kaltura embed code');
$content_type = $item['#kaltura_field']['type_name'];
$entries = explode(',', rtrim($item['value'], ','));
if (is_array($entries) && count($entries)) {
foreach ($entries as $entry_id) {
$width = $item['#kaltura_field']['thumbsize_width'];
$height = $item['#kaltura_field']['thumbsize_height'];
if (!$entry_id) {
continue;
}
$text = '<div class="field-entry-' . $entry_id . '">[kaltura-widget mix="' . $entry_id . '" size="large" /]</div>';
}
}
return kaltura_replace_tags($text, FALSE, FALSE, $node_update_access, $show_embed, $content_type);
// return $text;
}
function kaltura_get_teaser_display($item, $teaser) {
$entries = explode(',', rtrim($item['value'], ','));
$all_field = '';
if (is_array($entries) && count($entries)) {
foreach ($entries as $entry_id) {
if (!$entry_id) {
continue;
}
$mynode = node_load(kaltura_get_node_for_mix($entry_id));
if ($mynode) {
$all_field .= node_view($mynode, TRUE);
}
}
}
$text = $all_field;
return $text;
}
function kaltura_get_thumbnail_display($item, $teaser, $field) {
$size = array(
'width' => !empty($field['thumbsize_width']) ? $field['thumbsize_width'] : NULL,
'height' => !empty($field['thumbsize_height']) ? $field['thumbsize_height'] : NULL,
);
if (!$size['width'] && !$size['height']) {
unset($size);
}
$entries = explode(',', rtrim($item['value'], ','));
$all_field = '';
if (is_array($entries) && count($entries)) {
foreach ($entries as $entry_id) {
if (!$entry_id) {
continue;
}
/*$mynode = node_load(kaltura_get_node_for_mix($entry_id));
if ($mynode) {
if ($mynode->type == 'kaltura_entry') {
$all_field .= '<div class="field-entry-'. $entry_id .'">'. theme('node_kaltura_entry_thumbnail_url', $mynode, $teaser, FALSE, $size) .'</div>';
}
else {
$all_field .= '<div class="field-entry-'. $entry_id .'">'. theme('node_kaltura_mix_thumbnail_url', $mynode, $teaser, FALSE, $size) .'</div>';
}
}
*/
$kaltura_metadata = kaltura_get_metadata_for_mix($entry_id);
if ($kaltura_metadata) {
$all_field .= '<div class="field-entry-' . $entry_id . '">' . theme('node_kaltura_mix_thumbnail_url', $kaltura_metadata, $teaser, FALSE, $size) . '</div>';
}
}
}
$text = $all_field;
return $text;
}
/**
* Implementation of hook_content_is_empty().
*/
function field_kaltura_content_is_empty($item, $field) {
if (empty($item['value']) && (string) $item['value'] !== '0') {
return TRUE;
}
return FALSE;
}
/**
* Implementation of hook_field_formatter_info().
*/
function field_kaltura_field_formatter_info() {
return array(
'default' => array(
'label' => t('Default'),
'field types' => array(
'Kaltura_Media',
'Kaltura_Media_Remix',
),
'multiple values' => CONTENT_HANDLE_CORE,
),
'full' => array(
'label' => t('Full'),
'field types' => array(
'Kaltura_Media',
'Kaltura_Media_Remix',
),
'multiple values' => CONTENT_HANDLE_CORE,
),
'teaser' => array(
'label' => t('Teaser'),
'field types' => array(
'Kaltura_Media',
'Kaltura_Media_Remix',
),
'multiple values' => CONTENT_HANDLE_CORE,
),
'thumbnail' => array(
'label' => t('Thumbnail'),
'field types' => array(
'Kaltura_Media',
'Kaltura_Media_Remix',
),
'multiple values' => CONTENT_HANDLE_CORE,
),
);
}
/**
* Theme function for 'default' text field formatter.
*/
function theme_field_kaltura_formatter_default($element) {
return kaltura_get_default_display($element['#item'], 1, $element['#node']);
}
/**
* Theme function for 'full' text field formatter.
*/
function theme_field_kaltura_formatter_full($element) {
return kaltura_get_full_display($element['#item'], 0, $element['#node']);
}
/**
* Theme function for 'teaser' text field formatter.
*/
function theme_field_kaltura_formatter_teaser($element) {
return kaltura_get_teaser_display($element['#item'], 1);
}
/**
* Theme function for 'thumbnail' text field formatter.
*/
function theme_field_kaltura_formatter_thumbnail($element) {
return kaltura_get_thumbnail_display($element['#item'], 0, $element['#item']['#kaltura_field']);
}
/*
* helper function that can be used to filter field content
*/
function _field_kaltura_allowed_values($element) {
$field = content_fields($element['#field_name'], $element['#type_name']);
if (($allowed_values = content_allowed_values($field)) && isset($allowed_values[$element['#item']['value']])) {
return $allowed_values[$element['#item']['value']];
}
}
/**
* Implementation of hook_widget_info().
*
* Here we indicate that the content module will handle
* the default value and multiple values for these widgets.
*
* Callbacks can be omitted if default handing is used.
* They're included here just so this module can be used
* as an example for custom modules that might do things
* differently.
*/
function field_kaltura_widget_info() {
return array(
'field_kaltura_textfield' => array(
'label' => t('Kaltura Media'),
'field types' => array(
'Kaltura_Media',
),
'multiple values' => CONTENT_HANDLE_CORE,
'callbacks' => array(
'default value' => CONTENT_CALLBACK_DEFAULT,
),
),
'field_kaltura_remix_textfield' => array(
'label' => t('Kaltura Media Remix'),
'field types' => array(
'Kaltura_Media_Remix',
),
'multiple values' => CONTENT_HANDLE_CORE,
'callbacks' => array(
'default value' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
/**
* Implementation of FAPI hook_elements().
*
* Any FAPI callbacks needed for individual widgets can be declared here,
* and the element will be passed to those callbacks for processing.
*
* Drupal will automatically theme the element using a theme with
* the same name as the hook_elements key.
*
* Autocomplete_path is not used by field_kaltura_widget but other widgets can use it
* (see nodereference and userreference).
*/
function field_kaltura_elements() {
return array(
'field_kaltura_textfield' => array(
'#input' => TRUE,
'#columns' => array(
'value',
),
'#delta' => 0,
'#process' => array(
'field_kaltura_textfield_process',
),
'#autocomplete_path' => FALSE,
),
'field_kaltura_remix_textfield' => array(
'#input' => TRUE,
'#columns' => array(
'value',
),
'#delta' => 0,
'#process' => array(
'field_kaltura_remix_textfield_process',
),
'#autocomplete_path' => FALSE,
),
);
}
/**
* Implementation of hook_widget_settings().
*/
function field_kaltura_widget_settings($op, $widget) {
switch ($op) {
case 'form':
$form = array();
$rows = isset($widget['rows']) && is_numeric($widget['rows']) ? $widget['rows'] : 1;
$size = isset($widget['size']) && is_numeric($widget['size']) ? $widget['size'] : 60;
//if ($widget['type'] == 'field_kaltura_textfield' ) {
$form['rows'] = array(
'#type' => 'hidden',
'#value' => $rows,
);
$form['size'] = array(
'#type' => 'hidden',
'#title' => t('Size of textfield'),
'#default_value' => $size,
'#element_validate' => array(
'_field_kaltura_widget_settings_size_validate',
),
'#required' => TRUE,
);
/*}
else {
$form['rows'] = array(
'#type' => 'textfield',
'#title' => t('Rows'),
'#default_value' => $rows,
'#element_validate' => array('_field_kaltura_widget_settings_row_validate'),
'#required' => TRUE,
);
$form['size'] = array('#type' => 'hidden', '#value' => $size);
}*/
return $form;
case 'save':
return array(
'rows',
'size',
);
}
}
/*
* helper function to validate settings form input
*/
function _field_kaltura_widget_settings_row_validate($element, &$form_state) {
$value = $form_state['values']['rows'];
if (!is_numeric($value) || intval($value) != $value || $value <= 0) {
form_error($element, t('"Rows" must be a positive integer.'));
}
}
/*
* helper function to validate settings form input
*/
function _field_kaltura_widget_settings_size_validate($element, &$form_state) {
$value = $form_state['values']['size'];
if (!is_numeric($value) || intval($value) != $value || $value <= 0) {
form_error($element, t('"Size" must be a positive integer.'));
}
}
/**
* Implementation of hook_widget().
*
* Attach a single form element to the form. It will be built out and
* validated in the callback(s) listed in hook_elements. We build it
* out in the callbacks rather than here in hook_widget so it can be
* plugged into any module that can provide it with valid
* $field information.
*
* Content module will set the weight, field name and delta values
* for each form element. This is a change from earlier CCK versions
* where the widget managed its own multiple values.
*
* If there are multiple values for this field, the content module will
* call this function as many times as needed.
*
* @param $form
* the entire form array, $form['#node'] holds node information
* @param $form_state
* the form_state, $form_state['values'][$field['field_name']]
* holds the field's form values.
* @param $field
* the field array
* @param $items
* array of default values for this field
* @param $delta
* the order of this item in the array of subelements (0, 1, 2, etc)
*
* @return
* the form item for a single element for this field
*/
function field_kaltura_widget(&$form, &$form_state, $field, $items, $delta = 0) {
$element = array(
'#type' => $field['widget']['type'],
'#default_value' => isset($items[$delta]) ? $items[$delta] : '',
);
return $element;
}
/**
* Process an individual element.
*
* Build the form element. When creating a form using FAPI #process,
* note that $element['#value'] is already set.
*
* The $fields array is in $form['#field_info'][$element['#field_name']].
*/
function field_kaltura_textfield_process($element, $edit, $form_state, $form) {
global $_kaltura_thumbnail_base_url;
$field = $form['#field_info'][$element['#field_name']];
$field_key = $element['#columns'][0];
$delta = $element['#delta'];
$custom_name = 'edit-' . str_replace('_', '-', $element['#field_name']) . '-' . $delta . '-' . $field_key;
$element['data'] = array(
'#tree' => 'true',
);
$ui_conf = !empty($form['#field_info'][$element['#field_name']]['entry_cw']) ? $form['#field_info'][$element['#field_name']]['entry_cw'] : 0;
if ($ui_conf == 1) {
$ui_conf = $form['#field_info'][$element['#field_name']]['custom_cw'];
}
$cw_vars = kaltura_format_cw_vars(array(
'kshow_id' => 0,
'partner_data' => '',
'type' => 'entry',
'context' => 'field',
'field_id' => $custom_name,
'ui_conf' => $ui_conf,
));
$action_buttons = '<input type="button" value="Add Kaltura Media" onclick="kalturaInitModalBox(\'' . url('kaltura/contribution_wizard/' . $cw_vars) . '\', {width:680, height:390} );" />';
$field_thumbs = kaltura_get_field_thumbs($element['#value'][$field_key], $custom_name, 'Media', $element['#required']);
$element['data'][$custom_name . '_thumbs'] = array(
'#type' => 'item',
'#value' => '<div id="' . $custom_name . '_thumbs_div">' . $field_thumbs . '</div>',
);
$element['data']['action_buttons'] = array(
'#type' => 'item',
'#description' => $element['#description'],
'#value' => $action_buttons,
);
$element[$field_key] = array(
'#type' => 'hidden',
'#default_value' => isset($element['#value'][$field_key]) ? $element['#value'][$field_key] : NULL,
'#autocomplete_path' => $element['#autocomplete_path'],
'#size' => !empty($field['widget']['size']) ? $field['widget']['size'] : 60,
'#attributes' => array(
'class' => 'text',
'readonly' => 'readonly',
),
'#readonly' => 'readonly',
// The following values were set by the content module and need
// to be passed down to the nested element.
'#title' => $element['#title'],
'#description' => $element['#description'],
'#required' => $element['#required'],
'#field_name' => $element['#field_name'],
'#type_name' => $element['#type_name'],
'#delta' => $element['#delta'],
'#columns' => $element['#columns'],
);
// Used so that hook_field('validate') knows where to flag an error.
$element['_error_element'] = array(
'#type' => 'value',
'#value' => implode('][', array_merge($element['#parents'], array(
$field_key,
))),
);
return $element;
}
function kaltura_get_field_thumbs($field_value, $field_name, $type, $required) {
global $_kaltura_thumbnail_base_url;
$thumbs = array();
$entries = explode(',', $field_value);
foreach ($entries as $entry) {
if ($entry) {
$thumbs[] = '<div class="kaltura_field_thumb"><img src="' . $_kaltura_thumbnail_base_url . '/entry_id/' . $entry . '" /><br />' . '<input type="button" title="remove item" onclick="remove_item_from_field(\'' . $field_name . '\', \'' . $entry . '\', \'' . $_kaltura_thumbnail_base_url . '\');" class="remove_media" /></div>';
}
}
$span_required = $required ? '<span class="form-required" title="This field is required.">*</span>' : '';
return '<div class="title">Added ' . $type . ': ' . $span_required . '</div>' . implode('', $thumbs) . '<div class="clear-block"></div>';
}
/**
* Process an individual element.
*
* Build the form element. When creating a form using FAPI #process,
* note that $element['#value'] is already set.
*
* The $fields array is in $form['#field_info'][$element['#field_name']].
*/
function field_kaltura_remix_textfield_process($element, $edit, $form_state, $form) {
global $_kaltura_thumbnail_base_url;
$field = $form['#field_info'][$element['#field_name']];
$field_key = $element['#columns'][0];
$delta = $element['#delta'];
$custom_name = 'edit-' . str_replace('_', '-', $element['#field_name']) . '-' . $delta . '-' . $field_key;
$element['data'] = array(
'#tree' => 'true',
);
$kaltura_editor_width = variable_get('kaltura_editor_width', '') ? variable_get('kaltura_editor_width', '') : KalturaSettings_SE_WIDTH;
$kaltura_editor_height = variable_get('kaltura_editor_height', '') ? variable_get('kaltura_editor_height', '') : KalturaSettings_SE_HEIGHT;
$kaltura_editor_URL = variable_get('kaltura_editor_URL', '') ? variable_get('kaltura_editor_URL', '') : KalturaSettings_SE_URL;
//Allow passing of Kaltura entry ID as URL argument (mostly to facilitate cloning)
$entry_id = arg(3);
//Does this user have access to update the node associated with this entry? If so, it's ok to add it via URL parameter
if (isset($entry_id)) {
$entry_metadata = kaltura_get_metadata_for_mix($entry_id);
$entry_access = node_access('update', node_load($entry_metadata->nid));
//If the user has access to edit this node OR this entry has no node associated with it (and hence no owner)
if ($entry_access || !$entry_metadata) {
$element['#value'][value] = isset($entry_id) ? $entry_id : NULL;
}
else {
$entry_id = null;
}
}
$cw_vars = kaltura_format_cw_vars(array(
'kshow_id' => 0,
'partner_data' => '',
'type' => 'entry',
'context' => 'field_mix',
'field_id' => $custom_name,
'add_filter' => 6,
));
$action_buttons = '<input type="button" value="Add Kaltura Remix" onclick="kalturaInitModalBox(\'' . url('kaltura/contribution_wizard/' . $cw_vars) . '/\'+ get_title(), {width:680, height:380});" /><input type="button" value="Clear" onclick="remove_items_from_field(\'' . $custom_name . '\');" />';
$action_buttons .= '<input type="button" value="Edit Mix" onclick="if(document.getElementById(\'' . $custom_name . '\').value) { kalturaInitModalBox(\'' . url($kaltura_editor_URL) . '/\' + document.getElementById(\'' . $custom_name . '\').value +\'/entry/empty_partner_data/no_refresh\', {width: ' . $kaltura_editor_width . ', height: ' . $kaltura_editor_height . '}); }" />';
$field_thumbs = kaltura_get_field_thumbs($element['#value'][$field_key], $custom_name, 'Remix', $element['#required']);
$element['data'][$custom_name . '_thumbs'] = array(
'#type' => 'item',
'#value' => '<div id="' . $custom_name . '_thumbs_div">' . $field_thumbs . '</div>',
);
$element['data']['add_video'] = array(
'#type' => 'item',
'#description' => $element['#description'],
'#value' => $action_buttons,
);
$element[$field_key] = array(
'#type' => 'hidden',
'#default_value' => isset($element['#value'][$field_key]) ? $element['#value'][$field_key] : NULL,
'#autocomplete_path' => $element['#autocomplete_path'],
'#size' => !empty($field['widget']['size']) ? $field['widget']['size'] : 60,
'#attributes' => array(
'class' => 'text',
'readonly' => 'readonly',
),
'#readonly' => 'readonly',
// The following values were set by the content module and need
// to be passed down to the nested element.
'#title' => $element['#title'],
'#description' => $element['#description'],
'#required' => $element['#required'],
'#field_name' => $element['#field_name'],
'#type_name' => $element['#type_name'],
'#delta' => $element['#delta'],
'#columns' => $element['#columns'],
);
// Used so that hook_field('validate') knows where to flag an error.
$element['_error_element'] = array(
'#type' => 'value',
'#value' => implode('][', array_merge($element['#parents'], array(
$field_key,
))),
);
return $element;
}
/**
* FAPI theme for an individual text elements.
*
* The textfield or textarea is already rendered by the
* textfield or textarea themes and the html output
* lives in $element['#children']. Override this theme to
* make custom changes to the output.
*
* $element['#field_name'] contains the field name
* $element['#delta] is the position of this element in the group
*/
function theme_field_kaltura_textfield($element) {
return $element['#children'];
}
/*
* theme remix field
*/
function theme_field_kaltura_remix_textfield($element) {
return $element['#children'];
}
/*
* helper function to check if a specific field belongs to this module
*/
function kaltura_is_kaltura_field($field_name) {
$query = 'SELECT type FROM {content_node_field} WHERE field_name = \'%s\'';
$result = db_fetch_object(db_query($query, $field_name));
$my_fields = field_kaltura_field_info();
if (array_key_exists($result->type, $my_fields)) {
return $result->type;
}
return FALSE;
}
/*
* Implementation of hook_nodeapi().
*/
function field_kaltura_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
if ($op == 'presave') {
// do something only if tags vocabulary applied and not empty on this node
if ($node->taxonomy['tags']) {
// get all tags as string
foreach ($node->taxonomy['tags'] as $tags) {
$node_tags[] = $tags;
}
$node_all_tags = implode(',', $node_tags);
// get all fields for node which are kaltura fields
foreach ($node as $obj_key => $values) {
if (substr($obj_key, 0, 5) != 'field') {
continue;
}
if ($type = kaltura_is_kaltura_field($obj_key)) {
foreach ($values as $value) {
if ($value['value']) {
if ($type == 'Kaltura_Media') {
$media_entries = explode(',', rtrim($value['value']));
foreach ($media_entries as $entry) {
$kaltura_entries[] = $entry;
}
}
else {
$kaltura_entries[] = $value['value'];
}
}
}
}
}
// update taxonomy as entries tags
if (is_array($kaltura_entries) && count($kaltura_entries)) {
kaltura_update_field_entries_tags($kaltura_entries, $tags, $node->title);
}
}
}
}
/**
* helper function that calls Kaltura updateEntry service to update the kaltura DB with the metadata
* of the node which a specific entry belongs to
*
* TODO
* CMAC
* changes
* entry type to KalturaMediaEntry
* api call changed to new version
*/
function kaltura_update_field_entries_tags($entries, $tags, $name) {
try {
$session_user = KalturaHelpers::getSessionUser();
$kaltura_client = KalturaHelpers::getKalturaClient();
$entry = new KalturaMixEntry();
$entry->tags = $tags;
$entry->name = $name;
foreach ($entries as $entry_id) {
$result = $kaltura_client->mixing
->update($entry_id, $entry);
}
} catch (Exception $ex) {
// should be caught in field_kaltura_field('validate') anyway
watchdog('field_kaltura', t('Kaltura Exception: %message, backtrace: <pre>!trace</pre>'), array(
'%message' => $ex
->getMessage(),
'!trace' => print_r($ex
->getTrace(), 1),
));
drupal_set_message(t('Kaltura client exception: @message', array(
'@message' => $ex
->getMessage(),
)), 'error');
}
}Functions
Name |
Description |
|---|---|
| field_kaltura_content_is_empty | Implementation of hook_content_is_empty(). |
| field_kaltura_create_node | Make sure there is an entry in the node_kaltura table for mixes that are in fields, so we have a common place to store metadata. |
| field_kaltura_elements | Implementation of FAPI hook_elements(). |
| field_kaltura_field | Implementation of hook_field(). |
| field_kaltura_field_formatter_info | Implementation of hook_field_formatter_info(). |
| field_kaltura_field_info | Implementation of hook_field_info(). |
| field_kaltura_field_insert | Implement hook_field_insert() |
| field_kaltura_field_settings | Implementation of hook_field_settings(). |
| field_kaltura_form_alter | Implementation of hook_form_alter(). |
| field_kaltura_nodeapi | |
| field_kaltura_remix_textfield_process | Process an individual element. |
| field_kaltura_textfield_process | Process an individual element. |
| field_kaltura_theme | Implementation of hook_theme(). |
| field_kaltura_widget | Implementation of hook_widget(). |
| field_kaltura_widget_info | Implementation of hook_widget_info(). |
| field_kaltura_widget_settings | Implementation of hook_widget_settings(). |
| kaltura_get_default_display | |
| kaltura_get_field_thumbs | |
| kaltura_get_full_display | |
| kaltura_get_teaser_display | |
| kaltura_get_thumbnail_display | |
| kaltura_is_kaltura_field | |
| kaltura_update_field_entries_tags | helper function that calls Kaltura updateEntry service to update the kaltura DB with the metadata of the node which a specific entry belongs to |
| theme_field_kaltura_formatter_default | Theme function for 'default' text field formatter. |
| theme_field_kaltura_formatter_full | Theme function for 'full' text field formatter. |
| theme_field_kaltura_formatter_teaser | Theme function for 'teaser' text field formatter. |
| theme_field_kaltura_formatter_thumbnail | Theme function for 'thumbnail' text field formatter. |
| theme_field_kaltura_remix_textfield | |
| theme_field_kaltura_textfield | FAPI theme for an individual text elements. |
| _field_kaltura_allowed_values | |
| _field_kaltura_widget_settings_row_validate | |
| _field_kaltura_widget_settings_size_validate |