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<?php
// $Id$
/**
* Implementation of hook_install().
*/
function context_install() {
drupal_install_schema('context');
}
/**
* Implementation of hook_uninstall().
*/
function context_uninstall() {
drupal_uninstall_schema('context');
}
/**
* Implementation of hook_schema().
*/
function context_schema() {
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$schema['context'] = array(
'description' => 'Storage for normal (user-defined) contexts.',
'export' => array(
'key' => 'name',
'identifier' => 'context',
'default hook' => 'context_default_contexts', // Function hook name.
'status' => 'context_status',
'api' => array(
'owner' => 'context',
'api' => 'context', // Base name for api include files.
'minimum_version' => 3,
'current_version' => 3,
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),
),
'fields' => array(
'name' => array(
'description' => 'The primary identifier for a context.',
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'type' => 'varchar',
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'not null' => TRUE,
'default' => '',
),
'description' => array(
'description' => 'Description for this context.',
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'type' => 'varchar',
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'not null' => TRUE,
'default' => '',
),
'tag' => array(
'description' => 'Tag for this context.',
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'type' => 'varchar',
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'not null' => TRUE,
'default' => '',
),
'conditions' => array(
'description' => 'Serialized storage of all context condition settings.',
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'type' => 'text',
'serialize' => TRUE,
),
'reactions' => array(
'description' => 'Serialized storage of all context reaction settings.',
'type' => 'text',
'serialize' => TRUE,
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),
'condition_mode' => array(
'description' => 'Condition mode for this context.',
'type' => 'int',
'default' => 0,
),
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),
'primary key' => array('name'),
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);
return $schema;
}
/**
* Update script for context that installs the context schema and migrates
* any existing context data from deprecated context_ui tables.
*/
function context_update_6001() {
$ret = array();
if (!db_table_exists('context')) {
drupal_install_schema('context');
}
if (db_table_exists('context_ui')) {
// Clear the schema cache and rebuild
drupal_get_schema(NULL, TRUE);
// Migrate existing contexts to context table
$result = db_query("SELECT * FROM {context_ui}");
while ($context = db_fetch_object($result)) {
// Load setters
$setter_result = db_query("SELECT * FROM {context_ui_setter} WHERE cid = %d", $context->cid);
while ($row = db_fetch_object($setter_result)) {
$context->{$row->type}[$row->id] = $row->id;
}
// Load getters
$getter_result = db_query("SELECT * FROM {context_ui_getter} WHERE cid = %d", $context->cid);
while ($row = db_fetch_object($getter_result)) {
$context->{$row->type} = unserialize($row->data);
}
// Load blocks
$block_result = db_query("SELECT module, delta, region, weight FROM {context_ui_block} WHERE cid = %d", $context->cid);
while ($block = db_fetch_object($block_result)) {
if (!isset($context->block)) {
$context->block = array();
}
$block->bid = $block->module ."_". $block->delta;
$context->block[$block->bid] = $block;
}
// Clear out identifier
unset($context->cid);
context_save_context($context);
}
}
module_enable(array('context_contrib'));
return $ret;
}
/**
* Update script for API change in path condition.
*/
function context_update_6002() {
define('CONTEXT_STORAGE_DEFAULT', 0);
define('CONTEXT_STORAGE_OVERRIDDEN', 1);
define('CONTEXT_STORAGE_NORMAL', 2);
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// Iterate through all DB-stored contexts and incorporate path
// wildcards into their path conditions. Any exported/default
// contexts will need to be updated by hand.
$contexts = context_enabled_contexts();
foreach ($contexts as $context) {
if (($context->type == CONTEXT_STORAGE_NORMAL || $context->type == CONTEXT_STORAGE_OVERRIDDEN) && (!empty($context->path) && is_array($context->path))) {
$changed = FALSE;
foreach ($context->path as $k => $v) {
if ($v != '<front>' && strpos($v, '*') === FALSE) {
$changed = TRUE;
$context->path[$k] = "{$v}*";
}
}
if ($changed) {
context_save_context($context);
}
}
}
return array();
}
/**
* Remove deprecated tables from context_ui.
*/
function context_update_6003() {
$ret = array();
$tables = array('context_ui', 'context_ui_setter', 'context_ui_getter', 'context_ui_block');
foreach ($tables as $table) {
if (db_table_exists($table)) {
db_drop_table($ret, $table);
}
}
return $ret;
}
/**
* Update 6301: Update schema.
*/
function context_update_6301() {
// Install CTools.
drupal_install_modules(array('ctools'));
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$schema = array(
'fields' => array(
'name' => array(
'description' => 'The primary identifier for a context.',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'description' => array(
'description' => 'Description for this context.',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'tag' => array(
'description' => 'Tag for this context.',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'conditions' => array(
'description' => 'Serialized storage of all context condition settings.',
'type' => 'text',
'serialize' => TRUE,
),
'reactions' => array(
'description' => 'Serialized storage of all context reaction settings.',
'type' => 'text',
'serialize' => TRUE,
),
),
'primary key' => array('name'),
);
$ret = array();
if (db_table_exists('context')) {
$result = db_query("SELECT * FROM {context}");
// Migrate old contexts into new table.
$contexts = array();
while ($context = db_fetch_object($result)) {
$data = unserialize($context->data);
unset($context->data);
foreach ($data as $k => $v) {
$context->{$k} = $v;
}
$contexts["{$context->namespace}-{$context->attribute}-{$context->value}"] = $context;
}
// Drop the existing context table and create one using the new schema.
db_drop_table($ret, 'context');
db_create_table($ret, 'context', $schema);
// Migrate objects.
context_migrate_api_3($contexts);
}
return $ret;
}
/**
* Update 6302: Update old context exportables. This update script may be
* re-run at any time to update context 2 objects that have been exported.
*/
function context_update_6302() {
$contexts = array();
// Invoke context 2 default hooks so that the contexts can be migrated.
foreach (module_invoke_all('context_default_contexts') as $context) {
$context = (object) $context;
if (!isset($context->api_version)) {
$contexts["{$context->namespace}-{$context->attribute}-{$context->value}"] = $context;
}
}
// Migrate objects.
context_migrate_api_3($contexts);
return array();
}
/**
* Update 6303: Add field for context condition mode.
*/
function context_update_6303() {
$ret = array();
$spec = array(
'description' => 'Condition mode for this context.',
'type' => 'int',
'default' => 0,
);
db_add_field($ret, 'context', 'condition_mode', $spec);
/**
* Helper function to update context 2 objects to context 3.
*/
function context_migrate_api_3($contexts) {
foreach ($contexts as $context) {
if (!db_result(db_query("SELECT name FROM {context} WHERE name = '%s'", "{$context->namespace}-{$context->attribute}-{$context->value}"))) {
'name' => "{$context->namespace}-{$context->attribute}-{$context->value}",
'description' => isset($context->description) ? $context->description : '',
'tag' => '',
'conditions' => array(),
'reactions' => array(),
);
// Migration condition/reaction settings.
// Some have been renamed. Map them.
$conditions = array(
'node' => 'node',
'user' => 'user',
'book' => 'book',
'sitewide' => 'sitewide',
'path' => 'path',
'menu_trail' => 'menu',
'views' => 'views',
'nodequeue' => 'nodequeue'
);
foreach ($conditions as $old_key => $new_key) {
if (isset($context->{$old_key})) {
$values = $context->{$old_key};
$new['conditions'][$new_key] = array(
'values' => is_array($values) ? $values : array($values),
'options' => array()
);
$reactions = array(
'menu' => 'menu',
'theme_section' => 'theme',
'css_injector' => 'css_injector'
);
foreach ($reactions as $old_key => $new_key) {
if (isset($context->{$old_key})) {
$new['reactions'][$new_key] = $context->{$old_key};
}
}
// Special treatment for blocks.
if (isset($context->block)) {
foreach ($context->block as $block) {
$block = (array)$block;
$new['reactions']['block']['blocks'][$block['module'] .'-'. $block['delta']] = $block;
}
}
$new['conditions'] = serialize($new['conditions']);
$new['reactions'] = serialize($new['reactions']);
// update_sql does not escape strings properly.
db_query("INSERT INTO {context} (name,description,tag,conditions,reactions) VALUES ('%s', '%s', '%s', '%s', '%s')", $new['name'], $new['description'], $new['tag'], $new['conditions'], $new['reactions']);
drupal_set_message('Updated context: '. $new['name']);