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<?php
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/**
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* @file
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* Install, update, and uninstall functions for Language Icons.
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*/
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/**
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* Implements hook_install().
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*/
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function languageicons_install() {
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// Convert old "i18n_icon_*" variables, if any.
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_languageicons_convert_i18n_icon_variables();
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}
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/**
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* Implements hook_uninstall().
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*/
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function languageicons_uninstall() {
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// Clear any variables that might be in use
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$variables = array(
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'languageicons_show_node',
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'languageicons_show_block',
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'languageicons_placement',
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'languageicons_path',
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'languageicons_size',
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'languageicons_show_tooltip',
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);
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foreach ($variables as $variable) {
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variable_del($variable);
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}
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}
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/**
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* Private helper to convert i18n_icon_* variables.
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*
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* @see languageicons_install()
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* @see languageicons_update_6000()
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*/
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function _languageicons_convert_i18n_icon_variables() {
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$variables = array('path', 'size');
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foreach ($variables as $variable) {
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$old_variable = 'i18n_icon_' . $variable;
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$new_variable = 'languageicons_' . $variable;
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if (variable_get($new_variable) === NULL) {
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$old_variable_value = variable_get($old_variable, NULL);
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// If the standard path for flag icons was used, reset it.
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if ($variable == 'path') {
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$old_default_path = drupal_get_path('module', 'i18n') . '/flags/*.png';
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if ($old_variable_value == $old_default_path) {
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unset($old_variable_value, $old_default_path);
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}
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}
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if (!empty($old_variable_value)) {
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variable_set($new_variable, $old_variable_value);
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}
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}
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variable_del($old_variable);
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}
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}
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/**
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* Convert old "i18n_icon_*" variables.
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*/
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function languageicons_update_6000() {
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_languageicons_convert_i18n_icon_variables();
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return t('Converted Internationalization (i18n) module settings to Language Icons settings.');
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}
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/**
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* Remove variable used for a short time during development of 6.x-2.x.
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*
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* @todo Remove this after the release of 7.x-1.0.
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*/
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function languageicons_update_6200() {
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variable_del('languageicons_show_tooltip');
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return t('Removed site variable used during development of 6.x-2.x.');
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}
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