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<?php
// $Id$
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/**
* @file
* Contains install and update functions for ctools.
*/
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/**
* Use requirements to ensure that the CTools CSS cache directory can be
* created.
*/
function ctools_requirements($phase) {
$requirements = array();
if ($phase == 'runtime') {
$path = file_create_path('ctools/css');
if (!file_check_directory($path)) {
$path = file_directory_path() . '/ctools';
file_check_directory($path, FILE_CREATE_DIRECTORY);
$path .= '/css';
file_check_directory($path, FILE_CREATE_DIRECTORY);
}
$requirements['ctools_css_cache'] = array(
'title' => t('CTools CSS Cache'),
'severity' => REQUIREMENT_OK,
'value' => t('Exists'),
);
if (!file_check_directory($path)) {
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$requirements['ctools_css_cache']['description'] = t('The CTools CSS cache directory, %path could not be created due to a misconfigured files directory. Please ensure that the files directory is correctly configured and that the webserver has permission to create directories.', array('%path' => $path));
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$requirements['ctools_css_cache']['severity'] = REQUIREMENT_ERROR;
$requirements['ctools_css_cache']['value'] = t('Unable to create');
}
}
return $requirements;
}
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/**
* Implementation of hook_install()
*/
function ctools_install() {
drupal_install_schema('ctools');
}
/**
* Implementation of hook_uninstall()
*/
function ctools_uninstall() {
drupal_uninstall_schema('ctools');
}
/**
* Implementation of hook_schemea
*/
function ctools_schema() {
// Currently, schema 1 is the only schema we have. As we make updates,
// we might either create a new schema 2 or make adjustments here.
return ctools_schema_2();
}
/**
* Version 2 of the CTools schema.
*/
function ctools_schema_2() {
$schema = ctools_schema_1();
// update the 'name' field to be 128 bytes long:
$schema['ctools_object_cache']['fields']['name']['length'] = 128;
// DO NOT MODIFY THIS TABLE -- this definition is used to create the table.
// Changes to this table must be made in schema_3 or higher.
$schema['ctools_css_cache'] = array(
'description' => t('A special cache used to store CSS that must be non-volatile.'),
'fields' => array(
'cid' => array(
'type' => 'varchar',
'length' => '128',
'description' => t('The CSS ID this cache object belongs to.'),
),
'filename' => array(
'type' => 'varchar',
'length' => '255',
'description' => t('The filename this CSS is stored in.'),
),
'css' => array(
'type' => 'text',
'size' => 'big',
'description' => t('CSS being stored.'),
'serialize' => TRUE,
),
'filter' => array(
'type' => 'int',
'size' => 'tiny',
'description' => t('Whether or not this CSS needs to be filtered.'),
),
),
'primary key' => array('cid'),
);
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}
/**
* CTools' initial schema; separated for the purposes of updates.
*
* DO NOT MAKE CHANGES HERE. This schema version is locked.
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*/
function ctools_schema_1() {
$schema['ctools_object_cache'] = array(
'description' => t('A special cache used to store objects that are being edited; it serves to save state in an ordinarily stateless environment.'),
'fields' => array(
'sid' => array(
'type' => 'varchar',
'length' => '64',
'description' => t('The session ID this cache object belongs to.'),
),
'name' => array(
'type' => 'varchar',
'length' => '32',
'description' => t('The name of the object this cache is attached to.'),
),
'obj' => array(
'type' => 'varchar',
'length' => '32',
'description' => t('The type of the object this cache is attached to; this essentially represents the owner so that several sub-systems can use this cache.'),
),
'updated' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('The time this cache was created or updated.'),
),
'data' => array(
'size' => 'big',
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'description' => t('Serialized data being stored.'),
'serialize' => TRUE,
),
),
'primary key' => array('sid', 'obj', 'name'),
'indexes' => array('updated' => array('updated')),
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);
return $schema;
}
/**
* Enlarge the ctools_object_cache.name column to prevent truncation and weird
* errors.
*/
function ctools_update_6001() {
$ret = array();
// Perform updates like this to reduce code duplication.
$schema = ctools_schema_2();
db_change_field($ret, 'ctools_object_cache', 'name', 'name', $schema['ctools_object_cache']['fields']['name']);
return $ret;
}
/**
* Add the new css cache table.
*/
function ctools_update_6002() {
$ret = array();
// Schema 2 is locked and should not be changed.
$schema = ctools_schema_2();
db_create_table($ret, 'ctools_css_cache', $schema['ctools_css_cache']);
return $ret;
}
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/**
* Take over for the panels_views module if it was on.
*/
function ctools_update_6003() {
$ret = array();
$result = db_result(db_query("SELECT status FROM {system} WHERE name = 'panels_views'"));
if ($result) {
$ret[] = update_sql("DELETE from {system} WHERE name = 'panels_views'");
drupal_install_modules(array('views_content'));
}
return $ret;
}
/**
* Add primary key to the ctools_object_cache table.
*/
function ctools_update_6004() {
$ret = array();
db_add_primary_key($ret, 'ctools_object_cache', array('sid', 'obj', 'name'));
db_drop_index($ret, 'ctools_object_cache', 'sid_obj_name');
return $ret;
}