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<?php
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/**
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* @file
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* Install file for the link module.
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*/
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/**
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* Upgrade notes.
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*
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* Things we need to make sure work when upgrading from Drupal 6 to Drupal 7:.
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*/
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/**
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* Implements hook_install().
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*/
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function link_install() {
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// Notify the user they may want to install token.
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if (!module_exists('token')) {
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$t = get_t();
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drupal_set_message($t('If you install the <a href="!url" target="blank">Token</a>, static title can use any other entity field as its value.', array(
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'!url' => 'http://drupal.org/project/token',
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)));
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}
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}
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/**
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* Removes unused link_extra_domains variable.
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*/
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function link_update_7002() {
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variable_del('link_extra_domains');
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}
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/**
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* Implements hook_uninstall().
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*/
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function link_uninstall() {
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variable_del('link_allowed_domains');
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}
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/**
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* Implements hook_field_schema().
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*/
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function link_field_schema($field) {
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return array(
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'columns' => array(
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'url' => array(
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'type' => 'varchar',
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// Maximum URLs length.
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'length' => 2048,
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'not null' => FALSE,
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'sortable' => TRUE,
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),
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'title' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => FALSE,
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'sortable' => TRUE,
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),
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'attributes' => array(
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'type' => 'text',
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'size' => 'medium',
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'not null' => FALSE,
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),
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),
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);
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}
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/**
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* Implements hook_update_last_removed().
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*/
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function link_update_last_removed() {
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return 6001;
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}
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/**
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* Implements hook_update_N().
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*
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* Handles moving settings data from field_config.data to
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* field_config_instance.data.
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*/
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function link_update_7000() {
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// For each field that is a link field, we need to copy the settings from the
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// general field level down to the instance.
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$result = db_query("SELECT id, field_name, data FROM {field_config} WHERE module = 'link' AND type = 'link_field'");
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foreach ($result as $field) {
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$field_data = unserialize($field->data);
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$instances = db_query("SELECT id, data FROM {field_config_instance} WHERE field_id = :field_id", array(':field_id' => $field->id));
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foreach ($instances as $instance) {
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// If this field has been updated already, we want to skip it.
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$instance_data = unserialize($instance->data);
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$update_instance = FALSE;
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if (!isset($instance_data['settings']['title'])) {
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foreach ($field_data['settings'] as $key => $value) {
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if (!isset($instance_data['settings'][$key])) {
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$instance_data['settings'][$key] = $value;
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$update_instance = TRUE;
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}
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}
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if ($update_instance) {
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// Update the database.
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db_update('field_config_instance')
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->fields(array('data' => serialize($instance_data)))
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->condition('id', $instance->id)
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->execute();
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}
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}
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}
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}
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return t("Instance settings have been set with the data from the field settings.");
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}
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/**
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* Renames all displays from foobar to link_foobar.
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*/
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function link_update_7001() {
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// Update the display type for each link field type.
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$result = db_query("SELECT id, field_name, data FROM {field_config} WHERE module = 'link' AND type = 'link_field'");
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foreach ($result as $field) {
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$instances = db_query("SELECT id, data FROM {field_config_instance} WHERE field_id = :field_id", array(':field_id' => $field->id));
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foreach ($instances as $instance) {
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// If this field has been updated already, we want to skip it.
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$instance_data = unserialize($instance->data);
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$update_instance = FALSE;
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foreach ($instance_data['display'] as $display_name => $display_data) {
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if ($display_data['type'] && (0 !== strpos($display_data['type'], 'link_'))) {
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$instance_data['display'][$display_name]['type'] = 'link_' . $display_data['type'];
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$update_instance = TRUE;
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}
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}
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if ($update_instance) {
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db_update('field_config_instance')
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->fields(array('data' => serialize($instance_data)))
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->condition('id', $instance->id)
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->execute();
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}
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}
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}
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}
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