<?php
-// $Id$
/**
* @file
- * FileField field hooks and callbacks.
+ * FileField CCK field hooks and callbacks.
*/
+/**
+ * Implementation of CCK's hook_field_settings($op = 'form').
+ */
function filefield_field_settings_form($field) {
drupal_add_js(drupal_get_path('module', 'filefield') .'/filefield.js');
'#title' => t('List field'),
'#options' => array(0 => t('Disabled'), 1 => t('Enabled')),
'#default_value' => $field['list_field'] === '' ? 0 : (int) $field['list_field'],
- '#description' => t('The "list" option lets a user choose if a file should shown in a list when viewing the content after creation.'),
+ '#description' => t('Display a checkbox where users may choose if a file should be shown when viewing the content. Most formatters other than <em>Generic file</em> do not support this option.'),
'#attributes' => array('class' => 'filefield-list-field'),
);
$form['list_default'] = array(
'#title' => t('Description field'),
'#default_value' => $field['description_field'] === '' ? 0 : (int) $field['description_field'],
'#options' => array(0 => t('Disabled'), 1 => t('Enabled')),
- '#description' => t('When enabled, will display a text field where users may enter a description about the uploaded file.'),
+ '#description' => t('Display a text field where users may enter a description about the uploaded file. The description text is used when using the <em>Generic file</em> formatter to link to the file, the file name will be used otherwise. Most other formatters do not use the description field on output.'),
);
return $form;
}
-function filefield_field_settings_validate($field) {
-}
-
+/**
+ * Implementation of CCK's hook_field_settings($op = 'save').
+ */
function filefield_field_settings_save($field) {
return array('list_field', 'list_default', 'description_field');
}
+/**
+ * Implementation of CCK's hook_field_settings($op = 'database_columns').
+ */
function filefield_field_settings_database_columns($field) {
return array(
- 'fid' => array('type' => 'int', 'not null' => FALSE),
- 'list' => array('type' => 'int', 'size' => 'tiny', 'not null' => FALSE),
- 'data' => array('type' => 'text', 'serialize' => TRUE),
+ 'fid' => array('type' => 'int', 'not null' => FALSE, 'views' => TRUE),
+ 'list' => array('type' => 'int', 'size' => 'tiny', 'not null' => FALSE, 'views' => TRUE),
+ 'data' => array('type' => 'text', 'serialize' => TRUE, 'views' => TRUE),
);
}
+/**
+ * Implementation of CCK's hook_field_settings($op = 'views_data').
+ */
function filefield_field_settings_views_data($field) {
$data = content_views_field_views_data($field);
$db_info = content_database_info($field);
$table_alias = content_views_tablename($field);
- // Set our own field handler so that we can hook the file formatter
- // configuration table into the options form.
-
// By defining the relationship, we already have a "Has file" filter
// plus all the filters that Views already provides for files.
// No need for having a filter by ourselves.
'handler' => 'content_handler_relationship',
'label' => t($field['widget']['label']),
'content_field_name' => $field['field_name'],
+ 'skip base' => array('files'),
);
- return $data;
-}
+ // Use the Views boolean handler for filtering the list value.
+ $data[$table_alias][$field['field_name'] .'_list']['filter']['handler'] = 'views_handler_filter_boolean_operator';
+
+ // Add our special handler for serialized data.
+ $data[$table_alias][$field['field_name'] .'_data']['field'] = array(
+ 'title' => $data[$table_alias][$field['field_name'] .'_data']['title'],
+ 'title short' => $data[$table_alias][$field['field_name'] .'_data']['title short'],
+ 'help' => t('Can be used to display specific alt, title, or description information. May cause duplicate rows if grouping fields.'),
+ 'field' => $db_info['columns']['data']['column'],
+ 'table' => $db_info['table'],
+ 'handler' => 'filefield_handler_field_data',
+ 'click sortable' => FALSE,
+ 'access callback' => 'content_access',
+ 'access arguments' => array('view', $field),
+ );
+ // Remove handlers that are probably unnecessary.
+ unset($data[$table_alias][$field['field_name'] .'_data']['filter']);
+ unset($data[$table_alias][$field['field_name'] .'_data']['argument']);
+ unset($data[$table_alias][$field['field_name'] .'_list']['argument']);
+
+ // Set up relationship with file views.
+ $data[$table_alias]['table']['join']['files'] = array(
+ 'table' => $db_info['table'],
+ 'left_field' => 'fid',
+ 'field' => $db_info['columns']['fid']['column'],
+ );
+ $data[$table_alias]['vid'] = array(
+ 'title' => t($field['widget']['label']),
+ 'help' => t('The node the uploaded file is attached to'),
+ 'relationship' => array(
+ 'label' => t($field['widget']['label']),
+ 'base' => 'node',
+ 'base field' => 'vid',
+ // This allows us to not show this relationship if the base is already
+ // node so users won't create circular relationships.
+ 'skip base' => array('node', 'node_revisions'),
+ ),
+ );
+
+ return $data;
+}
/**
- * Implementation of CCK's hook_field().
+ * Implementation of CCK's hook_field($op = 'load').
*/
function filefield_field_load($node, $field, &$items, $teaser, $page) {
if (empty($items)) {
while (!empty($item['data']) && is_string($item['data'])) {
$item['data'] = unserialize($item['data']);
}
- $items[$delta] = array_merge($item, $file);
+ // Merge any data added by modules in hook_file_load().
+ if (isset($file['data']) && isset($item['data'])) {
+ $file['data'] = array_merge((array) $file['data'], (array) $item['data']);
+ }
+ $items[$delta] = array_merge($file, $item);
}
}
+
return array($field['field_name'] => $items);
}
+/**
+ * Implementation of CCK's hook_field($op = 'insert').
+ */
function filefield_field_insert($node, $field, &$items, $teaser, $page) {
return filefield_field_update($node, $field, $items, $teaser, $page);
}
+/**
+ * Implementation of CCK's hook_field($op = 'update').
+ */
function filefield_field_update($node, $field, &$items, $teaser, $page) {
// Accumulator to gather current fid to compare with the original node
}
}
- // if this is a new node... there are no
- // old items to worry about.
- if ($node->is_new) {
+ // If this is a new node there are no old items to worry about.
+ // On new revisions, old files are always maintained in the previous revision.
+ if ($node->is_new || !empty($node->revision) || !empty($node->skip_filefield_delete)) {
return;
}
- // Delete items from original node if no new revision was created.
+ // Delete items from original node.
$orig = node_load($node->nid);
// If there are, figure out which ones must go.
- if ($node->revision == 0 && !empty($orig->$field['field_name'])) {
+ if (!empty($orig->$field['field_name'])) {
foreach ($orig->$field['field_name'] as $oitem) {
- if (!in_array($oitem['fid'], $curfids)) {
+ if (isset($oitem['fid']) && !in_array($oitem['fid'], $curfids)) {
// For hook_file_references, remember that this is being deleted.
$oitem['field_name'] = $field['field_name'];
- field_file_delete($oitem);
+ $oitem['delete_vid'] = $orig->vid;
+ filefield_field_delete_file($oitem, $field);
}
}
}
}
+/**
+ * Implementation of CCK's hook_field($op = 'delete_revision').
+ */
function filefield_field_delete_revision($node, $field, &$items, $teaser, $page) {
foreach ($items as $delta => $item) {
// For hook_file_references, remember that this is being deleted.
$item['field_name'] = $field['field_name'];
- if (field_file_delete($item)) {
+ $item['delete_vid'] = $node->vid;
+ if (filefield_field_delete_file($item, $field)) {
$items[$delta] = NULL;
}
}
}
-
+/**
+ * Implementation of CCK's hook_field($op = 'delete').
+ */
function filefield_field_delete($node, $field, &$items, $teaser, $page) {
foreach ($items as $delta => $item) {
- // For hook_file_references, remember that this is being deleted.
+ // For hook_file_references(), remember that this is being deleted.
$item['field_name'] = $field['field_name'];
- field_file_delete($item);
+ // Pass in the nid of the node that is being removed so all references can
+ // be counted in hook_file_references().
+ $item['delete_nid'] = $node->nid;
+ filefield_field_delete_file($item, $field);
+ }
+
+ // Delete all the remaining items present only in older revisions.
+ $db_info = content_database_info($field);
+ $result = db_query('SELECT vid, f.* FROM {' . $db_info['table'] . '} t INNER JOIN {files} f ON t.' . $db_info['columns']['fid']['column'] . ' = f.fid WHERE nid = %d AND vid != %d', $node->nid, $node->vid);
+ while ($item = db_fetch_array($result)) {
+ if (isset($item['fid'])) {
+ $item['field_name'] = $field['field_name'];
+ $item['delete_vid'] = $item['vid'];
+ filefield_field_delete_file($item, $field);
+ }
+ }
+}
+
+/**
+ * Check that FileField controls a file before attempting to deleting it.
+ */
+function filefield_field_delete_file($file, $field) {
+ $file = (object) $file;
+
+ // Remove the field_name and delete_nid properties so that references can be
+ // counted including the files to be deleted.
+ $field_name = isset($file->field_name) ? $file->field_name : NULL;
+ $delete_nid = isset($file->delete_nid) ? $file->delete_nid : NULL;
+ unset($file->field_name, $file->delete_nid);
+
+ // To prevent FileField from deleting files it doesn't know about, check the
+ // FileField reference count. Temporary files can be deleted because they
+ // are not yet associated with any content at all.
+ if ($file->status == 0 || filefield_get_file_reference_count($file, $field) > 0) {
+ $file->field_name = $field_name;
+ $file->delete_nid = $delete_nid;
+ return field_file_delete($file);
}
+
+ // Even if the file is not deleted, return TRUE to indicate the FileField
+ // record can be removed from the FileField database tables.
+ return TRUE;
}
+/**
+ * Implementation of CCK's hook_field($op = 'sanitize').
+ */
function filefield_field_sanitize($node, $field, &$items, $teaser, $page) {
foreach ($items as $delta => $item) {
// Cleanup $items during node preview.
if (empty($item['fid']) || !empty($item['delete'])) {
- $items[$delta] = NULL;
- continue;
+ // Check for default images at the widget level.
+ // TODO: Provide an API to ImageField to do this itself?
+ if (!empty($field['widget']['use_default_image']) && !empty($field['widget']['default_image']['filepath']) && $delta == 0) {
+ $items[$delta] = $field['widget']['default_image'];
+ $items[$delta]['default'] = TRUE;
+ }
+ else {
+ $items[$delta] = NULL;
+ continue;
+ }
}
+
+ // Add nid so formatters can create a link to the node.
+ $items[$delta]['nid'] = $node->nid;
+
+ // Get the 'data' column stored by CCK into an array. This is necessary
+ // for Views, which doesn't call the "load" $op and to fix an issue with
+ // CCK double-serializing data.
+ // See the FileField issue http://drupal.org/node/402860.
+ // And the CCK issue http://drupal.org/node/407446.
+ while (!empty($items[$delta]['data']) && is_string($items[$delta]['data'])) {
+ $items[$delta]['data'] = unserialize($items[$delta]['data']);
+ }
+
// Load the complete file if a filepath is not available.
if (!empty($item['fid']) && empty($item['filepath'])) {
- $items[$delta] = array_merge($item, field_file_load($item['fid']));
+ $file = (array) field_file_load($item['fid']);
+ if (isset($file['data'])) {
+ $file['data'] = array_merge($file['data'], $items[$delta]['data']);
+ }
+ $items[$delta] = array_merge($file, $items[$delta]);
}
- // Add nid so formatters can create a link to the node.
- $items[$delta]['nid'] = $node->nid;
// Verify the file exists on the server.
if (!empty($item['filepath']) && !file_exists($item['filepath'])) {
- watchdog('filefield', 'FileField was trying to display the file %file, but it does not exist.', array('%file' => $item['filepath']));
+ watchdog('filefield', 'FileField was trying to display the file %file, but it does not exist.', array('%file' => $item['filepath']), WATCHDOG_WARNING);
}
}
}
-
-
projects / project/filefield.git / blobdiff