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<?php
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// $Id$
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/**
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* Page callback for Hooker's main admin page.
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*/
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function hooker_admin_form() {
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$path = drupal_get_path('module', 'hooker') .'/';
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$form = array();
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$form['#tree'] = TRUE;
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foreach (_hooker_hooks(TRUE) as $hook => $data) {
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$form['hooks'][$hook]['edit'] = array(
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'#type' => 'image_button',
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'#title' => t('Edit hook'),
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'#src' => $path .'text-editor.png',
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'#submit' => array('hooker_admin_edit_button'),
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'#hook' => $hook,
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);
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$form['hooks'][$hook]['delete'] = array(
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'#type' => 'image_button',
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'#title' => t('Delete hook'),
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'#src' => $path .'edit-delete.png',
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'#submit' => array('hooker_admin_delete_button'),
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'#hook' => $hook,
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);
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}
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return $form;
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}
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/**
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* Edit button callback for the hook listing form.
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*/
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function hooker_admin_edit_button($form, &$form_state) {
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$button = $form_state['clicked_button'];
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$hook = $button['#hook'];
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$form_state['redirect'] = 'admin/settings/hooker/edit/'. $hook;
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}
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/**
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* Delete button callback for the hook listing form.
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* Redirects the user to the confirmation form.
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*/
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function hooker_admin_delete_button($form, &$form_state) {
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$button = $form_state['clicked_button'];
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$hook = $button['#hook'];
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$form_state['redirect'] = 'admin/settings/hooker/delete/'. $hook;
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}
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/**
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* Theme function for the Hooker admin overview form.
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*/
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function theme_hooker_admin_form(&$form) {
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$rows = array();
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if (!empty($form['hooks'])) {
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foreach (element_children($form['hooks']) as $hook) {
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$row = array();
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$row[] = check_plain('hook_'. $hook);
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$row[] = l(t('API documentation'), 'http://api.drupal.org/api/function/hook_'. $hook, array('absolute' => TRUE));
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$row[] = drupal_render($form['hooks'][$hook]);
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$rows[] = $row;
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}
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}
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$link = l(t('Click here'), 'admin/settings/hooker/add');
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$row = array();
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if (empty($rows)) {
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$row[] = array(
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'data' => t('No hooks have been added. !url to create one.', array('!url' => $link)),
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'colspan' => 3,
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);
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}
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else {
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$row[] = array(
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'data' => t('!url to add a new hook implementation.', array('!url' => $link)),
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'colspan' => 3,
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);
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}
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$rows[] = $row;
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$link = l('api.drupal.org', 'http://api.drupal.org/api/group/hooks', array('absolute' => TRUE));
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$output = '<p>'. t("Use Hooker to execute snippets of PHP when Drupal hooks are triggered. See !url for more information about Drupal hooks.", array('!url' => $link)) .'</p>';
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$output .= theme('table', array(), $rows);
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$output .= drupal_render($form);
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return $output;
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}
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/**
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* Constructor for the hook edit form.
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*/
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function hooker_edit($form_state, $hookname = NULL) {
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$hooks = _hooker_hooks(TRUE);
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if (isset($hookname)) {
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if (!empty($hooks[$hookname])) {
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$hook = $hooks[$hookname];
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$form['hook'] = array(
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'#type' => 'value',
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'#value' => $hookname,
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);
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$link = l('hook_'. $hookname, 'http://api.drupal.org/api/group/hooks', array('absolute' => TRUE));
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$form['hookname'] = array(
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'#type' => 'item',
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'#title' => t('Hook'),
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'#value' => $link,
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);
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}
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else {
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$form['hook'] = array(
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'#type' => 'textfield',
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'#title' => t('Hook'),
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'#default_value' => $hookname,
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'#required' => TRUE,
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);
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$hook = new stdClass();
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$hook->hook = $hookname;
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$hook->params = '';
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$hook->code = '';
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}
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}
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else {
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$form['hook'] = array(
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'#type' => 'textfield',
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'#title' => t('Hook name'),
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'#default_value' => '',
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'#required' => TRUE,
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);
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$form['new_hook'] = array(
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'#type' => 'value',
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'#value' => TRUE,
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);
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$hook = new stdClass();
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$hook->hook = '';
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$hook->params = '';
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$hook->code = '';
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}
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$form['params'] = array(
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'#type' => 'textfield',
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'#title' => t('Function parameters'),
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'#default_value' => $hook->params,
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'#description' => t('If the hoook in question requires parameters, they must be entered here just as they would appear in a normal module implementation.'),
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'#required' => FALSE,
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);
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$form['code'] = array(
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'#type' => 'textarea',
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'#title' => t('PHP code'),
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'#rows' => 20,
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'#default_value' => $hook->code,
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'#required' => TRUE,
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);
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$form['buttons']['save'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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'#submit' => array('hooker_edit_save'),
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);
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if (!empty($hooks[$hookname])) {
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$form['buttons']['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#submit' => array('hooker_admin_delete_button'),
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'#hook' => $hookname,
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);
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}
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return $form;
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}
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/**
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* Validation callback for the hook edit form.
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*/
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function hooker_edit_validate($form, &$form_state) {
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$values = $form_state['values'];
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$hooks = _hooker_hooks();
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if (!empty($values['new_hook'])) {
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if (isset($hooks[$values['hook']])) {
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form_set_error('hook', t('The hook %hookname is already defined.', array('%hookname' => $values['hook'])));
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}
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}
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}
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/**
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* Submit button callback for the hook edit form.
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*/
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function hooker_edit_save($form, &$form_state) {
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if (empty($form_state['values']['new_hook'])) {
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drupal_write_record('hooker', $form_state['values'], array('hook'));
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}
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else {
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drupal_write_record('hooker', $form_state['values']);
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}
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drupal_set_message('Your hook was saved.');
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$form_state['redirect'] = 'admin/settings/hooker';
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_hooker_hooks(TRUE);
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}
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/**
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* Menu callback -- ask for confirmation of rule deletion
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*/
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function hooker_delete_confirm(&$form_state, $hook) {
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$form['hook'] = array(
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'#type' => 'value',
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'#value' => $hook,
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);
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return confirm_form($form,
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t('Are you sure you want to delete %title?', array('%title' => 'hook_'. $hook)),
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isset($_GET['destination']) ? $_GET['destination'] : 'admin/settings/hooker',
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t('This action cannot be undone.'),
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t('Delete'),
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t('Cancel')
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);
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}
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/**
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* Execute node deletion
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*/
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function hooker_delete_confirm_submit($form, &$form_state) {
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if ($form_state['values']['confirm']) {
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db_query("DELETE FROM {hooker} WHERE hook = '%s'", $form_state['values']['hook']);
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}
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$form_state['redirect'] = 'admin/settings/hooker';
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_hooker_hooks(TRUE);
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return;
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}
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