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- <?php
- /**
- * Base class for export UI.
- */
- class ctools_export_ui {
- var $plugin;
- var $name;
- var $options = array();
- /**
- * Fake constructor -- this is easier to deal with than the real
- * constructor because we are retaining PHP4 compatibility, which
- * would require all child classes to implement their own constructor.
- */
- public function init($plugin) {
- ctools_include('export');
- $this->plugin = $plugin;
- }
- /**
- * Get a page title for the current page from our plugin strings.
- */
- public function get_page_title($op, $item = NULL) {
- if (empty($this->plugin['strings']['title'][$op])) {
- return;
- }
- // Replace %title that might be there with the exportable title.
- $title = $this->plugin['strings']['title'][$op];
- if (!empty($item)) {
- $export_key = $this->plugin['export']['key'];
- $title = (str_replace('%title', check_plain($item->{$export_key}), $title));
- }
- return $title;
- }
- /**
- * Called by ctools_export_ui_load to load the item.
- *
- * This can be overridden for modules that want to be able to export
- * items currently being edited, for example.
- */
- public function load_item($item_name) {
- $item = ctools_export_crud_load($this->plugin['schema'], $item_name);
- return empty($item) ? FALSE : $item;
- }
- // ------------------------------------------------------------------------
- // Menu item manipulation.
- /**
- * hook_menu() entry point.
- *
- * Child implementations that need to add or modify menu items should
- * probably call parent::hook_menu($items) and then modify as needed.
- */
- public function hook_menu(&$items) {
- // During upgrades, the schema can be empty as this is called prior to
- // actual update functions being run. Ensure that we can cope with this
- // situation.
- if (empty($this->plugin['schema'])) {
- return;
- }
- $prefix = ctools_export_ui_plugin_base_path($this->plugin);
- if (isset($this->plugin['menu']['items']) && is_array($this->plugin['menu']['items'])) {
- $my_items = array();
- foreach ($this->plugin['menu']['items'] as $item) {
- // Add menu item defaults.
- $item += array(
- 'file' => 'export-ui.inc',
- 'file path' => drupal_get_path('module', 'ctools') . '/includes',
- );
- $path = !empty($item['path']) ? $prefix . '/' . $item['path'] : $prefix;
- unset($item['path']);
- $my_items[$path] = $item;
- }
- $items += $my_items;
- }
- }
- /**
- * Menu callback to determine if an operation is accessible.
- *
- * This function enforces a basic access check on the configured perm
- * string, and then additional checks as needed.
- *
- * @param $op
- * The 'op' of the menu item, which is defined by 'allowed operations'
- * and embedded into the arguments in the menu item.
- * @param $item
- * If an op that works on an item, then the item object, otherwise NULL.
- *
- * @return
- * TRUE if the current user has access, FALSE if not.
- */
- public function access($op, $item) {
- if (!user_access($this->plugin['access'])) {
- return FALSE;
- }
- // More fine-grained access control:
- if ($op == 'add' && !user_access($this->plugin['create access'])) {
- return FALSE;
- }
- // More fine-grained access control:
- if (($op == 'revert' || $op == 'delete') && !user_access($this->plugin['delete access'])) {
- return FALSE;
- }
- // If we need to do a token test, do it here.
- if (!empty($this->plugin['allowed operations'][$op]['token']) && (!isset($_GET['token']) || !drupal_valid_token($_GET['token'], $op))) {
- return FALSE;
- }
- switch ($op) {
- case 'import':
- return user_access('use ctools import');
- case 'revert':
- return ($item->export_type & EXPORT_IN_DATABASE) && ($item->export_type & EXPORT_IN_CODE);
- case 'delete':
- return ($item->export_type & EXPORT_IN_DATABASE) && !($item->export_type & EXPORT_IN_CODE);
- case 'disable':
- return empty($item->disabled);
- case 'enable':
- return !empty($item->disabled);
- default:
- return TRUE;
- }
- }
- // ------------------------------------------------------------------------
- // These methods are the API for generating the list of exportable items.
- /**
- * Master entry point for handling a list.
- *
- * It is unlikely that a child object will need to override this method,
- * unless the listing mechanism is going to be highly specialized.
- */
- public function list_page($js, $input) {
- $this->items = ctools_export_crud_load_all($this->plugin['schema'], $js);
- // Respond to a reset command by clearing session and doing a drupal goto
- // back to the base URL.
- if (isset($input['op']) && $input['op'] == t('Reset')) {
- unset($_SESSION['ctools_export_ui'][$this->plugin['name']]);
- if (!$js) {
- drupal_goto($_GET['q']);
- }
- // Clear everything but form id, form build id and form token.
- $keys = array_keys($input);
- foreach ($keys as $id) {
- if (!in_array($id, array('form_id', 'form_build_id', 'form_token'))) {
- unset($input[$id]);
- }
- }
- $replace_form = TRUE;
- }
- // If there is no input, check to see if we have stored input in the
- // session.
- if (!isset($input['form_id'])) {
- if (isset($_SESSION['ctools_export_ui'][$this->plugin['name']]) && is_array($_SESSION['ctools_export_ui'][$this->plugin['name']])) {
- $input = $_SESSION['ctools_export_ui'][$this->plugin['name']];
- }
- }
- else {
- $_SESSION['ctools_export_ui'][$this->plugin['name']] = $input;
- unset($_SESSION['ctools_export_ui'][$this->plugin['name']]['q']);
- }
- // This is where the form will put the output.
- $this->rows = array();
- $this->sorts = array();
- $form_state = array(
- 'plugin' => $this->plugin,
- 'input' => $input,
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- 'object' => &$this,
- );
- if (!isset($form_state['input']['form_id'])) {
- $form_state['input']['form_id'] = 'ctools_export_ui_list_form';
- }
- // If we do any form rendering, it's to completely replace a form on the
- // page, so don't let it force our ids to change.
- if ($js && isset($_POST['ajax_html_ids'])) {
- unset($_POST['ajax_html_ids']);
- }
- $form = drupal_build_form('ctools_export_ui_list_form', $form_state);
- $form = drupal_render($form);
- $output = $this->list_header($form_state) . $this->list_render($form_state) . $this->list_footer($form_state);
- if (!$js) {
- $this->list_css();
- return $form . $output;
- }
- $commands = array();
- $commands[] = ajax_command_replace('#ctools-export-ui-list-items', $output);
- if (!empty($replace_form)) {
- $commands[] = ajax_command_replace('#ctools-export-ui-list-form', $form);
- }
- print ajax_render($commands);
- ajax_footer();
- }
- /**
- * Create the filter/sort form at the top of a list of exports.
- *
- * This handles the very default conditions, and most lists are expected
- * to override this and call through to parent::list_form() in order to
- * get the base form and then modify it as necessary to add search
- * gadgets for custom fields.
- */
- public function list_form(&$form, &$form_state) {
- // This forces the form to *always* treat as submitted which is
- // necessary to make it work.
- $form['#token'] = FALSE;
- if (empty($form_state['input'])) {
- $form["#post"] = TRUE;
- }
- // Add the 'q' in if we are not using clean URLs or it can get lost when
- // using this kind of form.
- if (!variable_get('clean_url', FALSE)) {
- $form['q'] = array(
- '#type' => 'hidden',
- '#value' => $_GET['q'],
- );
- }
- $all = array('all' => t('- All -'));
- $form['top row'] = array(
- '#prefix' => '<div class="ctools-export-ui-row ctools-export-ui-top-row clearfix">',
- '#suffix' => '</div>',
- );
- $form['bottom row'] = array(
- '#prefix' => '<div class="ctools-export-ui-row ctools-export-ui-bottom-row clearfix">',
- '#suffix' => '</div>',
- );
- $form['top row']['storage'] = array(
- '#type' => 'select',
- '#title' => t('Storage'),
- '#options' => $all + array(
- t('Normal') => t('Normal'),
- t('Default') => t('Default'),
- t('Overridden') => t('Overridden'),
- ),
- '#default_value' => 'all',
- );
- $form['top row']['disabled'] = array(
- '#type' => 'select',
- '#title' => t('Enabled'),
- '#options' => $all + array(
- '0' => t('Enabled'),
- '1' => t('Disabled'),
- ),
- '#default_value' => 'all',
- );
- $form['top row']['search'] = array(
- '#type' => 'textfield',
- '#title' => t('Search'),
- );
- $form['bottom row']['order'] = array(
- '#type' => 'select',
- '#title' => t('Sort by'),
- '#options' => $this->list_sort_options(),
- '#default_value' => 'disabled',
- );
- $form['bottom row']['sort'] = array(
- '#type' => 'select',
- '#title' => t('Order'),
- '#options' => array(
- 'asc' => t('Up'),
- 'desc' => t('Down'),
- ),
- '#default_value' => 'asc',
- );
- $form['bottom row']['submit'] = array(
- '#type' => 'submit',
- '#id' => 'ctools-export-ui-list-items-apply',
- '#value' => t('Apply'),
- '#attributes' => array('class' => array('use-ajax-submit ctools-auto-submit-click')),
- );
- $form['bottom row']['reset'] = array(
- '#type' => 'submit',
- '#id' => 'ctools-export-ui-list-items-apply',
- '#value' => t('Reset'),
- '#attributes' => array('class' => array('use-ajax-submit')),
- );
- $form['#prefix'] = '<div class="clearfix">';
- $form['#suffix'] = '</div>';
- $form['#attached']['js'] = array(ctools_attach_js('auto-submit'));
- $form['#attached']['library'][] = array('system', 'drupal.ajax');
- $form['#attached']['library'][] = array('system', 'jquery.form');
- $form['#attributes'] = array('class' => array('ctools-auto-submit-full-form'));
- }
- /**
- * Validate the filter/sort form.
- *
- * It is very rare that a filter form needs validation, but if it is
- * needed, override this.
- */
- public function list_form_validate(&$form, &$form_state) { }
- /**
- * Submit the filter/sort form.
- *
- * This submit handler is actually responsible for building up all of the
- * rows that will later be rendered, since it is doing the filtering and
- * sorting.
- *
- * For the most part, you should not need to override this method, as the
- * fiddly bits call through to other functions.
- */
- public function list_form_submit(&$form, &$form_state) {
- // Filter and re-sort the pages.
- $plugin = $this->plugin;
- $prefix = ctools_export_ui_plugin_base_path($plugin);
- foreach ($this->items as $name => $item) {
- // Call through to the filter and see if we're going to render this
- // row. If it returns TRUE, then this row is filtered out.
- if ($this->list_filter($form_state, $item)) {
- continue;
- }
- $operations = $this->build_operations($item);
- $this->list_build_row($item, $form_state, $operations);
- }
- // Now actually sort
- if ($form_state['values']['sort'] == 'desc') {
- arsort($this->sorts);
- }
- else {
- asort($this->sorts);
- }
- // Nuke the original.
- $rows = $this->rows;
- $this->rows = array();
- // And restore.
- foreach ($this->sorts as $name => $title) {
- $this->rows[$name] = $rows[$name];
- }
- }
- /**
- * Determine if a row should be filtered out.
- *
- * This handles the default filters for the export UI list form. If you
- * added additional filters in list_form() then this is where you should
- * handle them.
- *
- * @return
- * TRUE if the item should be excluded.
- */
- public function list_filter($form_state, $item) {
- $schema = ctools_export_get_schema($this->plugin['schema']);
- if ($form_state['values']['storage'] != 'all' && $form_state['values']['storage'] != $item->{$schema['export']['export type string']}) {
- return TRUE;
- }
- if ($form_state['values']['disabled'] != 'all' && $form_state['values']['disabled'] != !empty($item->disabled)) {
- return TRUE;
- }
- if ($form_state['values']['search']) {
- $search = strtolower($form_state['values']['search']);
- foreach ($this->list_search_fields() as $field) {
- if (strpos(strtolower($item->$field), $search) !== FALSE) {
- $hit = TRUE;
- break;
- }
- }
- if (empty($hit)) {
- return TRUE;
- }
- }
- }
- /**
- * Provide a list of fields to test against for the default "search" widget.
- *
- * This widget will search against whatever fields are configured here. By
- * default it will attempt to search against the name, title and description fields.
- */
- public function list_search_fields() {
- $fields = array(
- $this->plugin['export']['key'],
- );
- if (!empty($this->plugin['export']['admin_title'])) {
- $fields[] = $this->plugin['export']['admin_title'];
- }
- if (!empty($this->plugin['export']['admin_description'])) {
- $fields[] = $this->plugin['export']['admin_description'];
- }
- return $fields;
- }
- /**
- * Provide a list of sort options.
- *
- * Override this if you wish to provide more or change how these work.
- * The actual handling of the sorting will happen in build_row().
- */
- public function list_sort_options() {
- if (!empty($this->plugin['export']['admin_title'])) {
- $options = array(
- 'disabled' => t('Enabled, title'),
- $this->plugin['export']['admin_title'] => t('Title'),
- );
- }
- else {
- $options = array(
- 'disabled' => t('Enabled, name'),
- );
- }
- $options += array(
- 'name' => t('Name'),
- 'storage' => t('Storage'),
- );
- return $options;
- }
- /**
- * Add listing CSS to the page.
- *
- * Override this if you need custom CSS for your list.
- */
- public function list_css() {
- ctools_add_css('export-ui-list');
- }
- /**
- * Builds the operation links for a specific exportable item.
- */
- public function build_operations($item) {
- $plugin = $this->plugin;
- $schema = ctools_export_get_schema($plugin['schema']);
- $operations = $plugin['allowed operations'];
- $operations['import'] = FALSE;
- if ($item->{$schema['export']['export type string']} == t('Normal')) {
- $operations['revert'] = FALSE;
- }
- elseif ($item->{$schema['export']['export type string']} == t('Overridden')) {
- $operations['delete'] = FALSE;
- }
- else {
- $operations['revert'] = FALSE;
- $operations['delete'] = FALSE;
- }
- if (empty($item->disabled)) {
- $operations['enable'] = FALSE;
- }
- else {
- $operations['disable'] = FALSE;
- }
- $allowed_operations = array();
- foreach ($operations as $op => $info) {
- if (!empty($info)) {
- $allowed_operations[$op] = array(
- 'title' => $info['title'],
- 'href' => ctools_export_ui_plugin_menu_path($plugin, $op, $item->{$this->plugin['export']['key']}),
- );
- if (!empty($info['ajax'])) {
- $allowed_operations[$op]['attributes'] = array('class' => array('use-ajax'));
- }
- if (!empty($info['token'])) {
- $allowed_operations[$op]['query'] = array('token' => drupal_get_token($op));
- }
- }
- }
- return $allowed_operations;
- }
- /**
- * Build a row based on the item.
- *
- * By default all of the rows are placed into a table by the render
- * method, so this is building up a row suitable for theme('table').
- * This doesn't have to be true if you override both.
- */
- public function list_build_row($item, &$form_state, $operations) {
- // Set up sorting
- $name = $item->{$this->plugin['export']['key']};
- $schema = ctools_export_get_schema($this->plugin['schema']);
- // Note: $item->{$schema['export']['export type string']} should have already been set up by export.inc so
- // we can use it safely.
- switch ($form_state['values']['order']) {
- case 'disabled':
- $this->sorts[$name] = empty($item->disabled) . $name;
- break;
- case 'title':
- $this->sorts[$name] = $item->{$this->plugin['export']['admin_title']};
- break;
- case 'name':
- $this->sorts[$name] = $name;
- break;
- case 'storage':
- $this->sorts[$name] = $item->{$schema['export']['export type string']} . $name;
- break;
- }
- $this->rows[$name]['data'] = array();
- $this->rows[$name]['class'] = !empty($item->disabled) ? array('ctools-export-ui-disabled') : array('ctools-export-ui-enabled');
- // If we have an admin title, make it the first row.
- if (!empty($this->plugin['export']['admin_title'])) {
- $this->rows[$name]['data'][] = array('data' => check_plain($item->{$this->plugin['export']['admin_title']}), 'class' => array('ctools-export-ui-title'));
- }
- $this->rows[$name]['data'][] = array('data' => check_plain($name), 'class' => array('ctools-export-ui-name'));
- $this->rows[$name]['data'][] = array('data' => check_plain($item->{$schema['export']['export type string']}), 'class' => array('ctools-export-ui-storage'));
- $ops = theme('links__ctools_dropbutton', array('links' => $operations, 'attributes' => array('class' => array('links', 'inline'))));
- $this->rows[$name]['data'][] = array('data' => $ops, 'class' => array('ctools-export-ui-operations'));
- // Add an automatic mouseover of the description if one exists.
- if (!empty($this->plugin['export']['admin_description'])) {
- $this->rows[$name]['title'] = $item->{$this->plugin['export']['admin_description']};
- }
- }
- /**
- * Provide the table header.
- *
- * If you've added columns via list_build_row() but are still using a
- * table, override this method to set up the table header.
- */
- public function list_table_header() {
- $header = array();
- if (!empty($this->plugin['export']['admin_title'])) {
- $header[] = array('data' => t('Title'), 'class' => array('ctools-export-ui-title'));
- }
- $header[] = array('data' => t('Name'), 'class' => array('ctools-export-ui-name'));
- $header[] = array('data' => t('Storage'), 'class' => array('ctools-export-ui-storage'));
- $header[] = array('data' => t('Operations'), 'class' => array('ctools-export-ui-operations'));
- return $header;
- }
- /**
- * Render all of the rows together.
- *
- * By default we place all of the rows in a table, and this should be the
- * way most lists will go.
- *
- * Whatever you do if this method is overridden, the ID is important for AJAX
- * so be sure it exists.
- */
- public function list_render(&$form_state) {
- $table = array(
- 'header' => $this->list_table_header(),
- 'rows' => $this->rows,
- 'attributes' => array('id' => 'ctools-export-ui-list-items'),
- 'empty' => $this->plugin['strings']['message']['no items'],
- );
- return theme('table', $table);
- }
- /**
- * Render a header to go before the list.
- *
- * This will appear after the filter/sort widgets.
- */
- public function list_header($form_state) { }
- /**
- * Render a footer to go after thie list.
- *
- * This is a good place to add additional links.
- */
- public function list_footer($form_state) { }
- // ------------------------------------------------------------------------
- // These methods are the API for adding/editing exportable items
- /**
- * Perform a drupal_goto() to the location provided by the plugin for the
- * operation.
- *
- * @param $op
- * The operation to use. A string must exist in $this->plugin['redirect']
- * for this operation.
- * @param $item
- * The item in use; this may be necessary as item IDs are often embedded in
- * redirects.
- */
- public function redirect($op, $item = NULL) {
- if (isset($this->plugin['redirect'][$op])) {
- $destination = (array) $this->plugin['redirect'][$op];
- if ($item) {
- $export_key = $this->plugin['export']['key'];
- $destination[0] = str_replace('%ctools_export_ui', $item->{$export_key}, $destination[0]);
- }
- call_user_func_array('drupal_goto', $destination);
- }
- else {
- // If the operation isn't set, fall back to the plugin's base path.
- drupal_goto(ctools_export_ui_plugin_base_path($this->plugin));
- }
- }
- public function add_page($js, $input, $step = NULL) {
- $args = func_get_args();
- drupal_set_title($this->get_page_title('add'), PASS_THROUGH);
- // If a step not set, they are trying to create a new item. If a step
- // is set, they're in the process of creating an item.
- if (!empty($this->plugin['use wizard']) && !empty($step)) {
- $item = $this->edit_cache_get(NULL, 'add');
- }
- if (empty($item)) {
- $item = ctools_export_crud_new($this->plugin['schema']);
- }
- $form_state = array(
- 'plugin' => $this->plugin,
- 'object' => &$this,
- 'ajax' => $js,
- 'item' => $item,
- 'op' => 'add',
- 'form type' => 'add',
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- 'step' => $step,
- // Store these in case additional args are needed.
- 'function args' => $args,
- );
- $output = $this->edit_execute_form($form_state);
- if (!empty($form_state['executed']) && empty($form_state['rebuild'])) {
- $this->redirect($form_state['op'], $form_state['item']);
- }
- return $output;
- }
- /**
- * Main entry point to edit an item.
- */
- public function edit_page($js, $input, $item, $step = NULL) {
- $args = func_get_args();
- drupal_set_title($this->get_page_title('edit', $item), PASS_THROUGH);
- // Check to see if there is a cached item to get if we're using the wizard.
- if (!empty($this->plugin['use wizard'])) {
- $cached = $this->edit_cache_get($item, 'edit');
- if (!empty($cached)) {
- $item = $cached;
- }
- }
- $form_state = array(
- 'plugin' => $this->plugin,
- 'object' => &$this,
- 'ajax' => $js,
- 'item' => $item,
- 'op' => 'edit',
- 'form type' => 'edit',
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- 'step' => $step,
- // Store these in case additional args are needed.
- 'function args' => $args,
- );
- $output = $this->edit_execute_form($form_state);
- if (!empty($form_state['executed']) && empty($form_state['rebuild'])) {
- $this->redirect($form_state['op'], $form_state['item']);
- }
- return $output;
- }
- /**
- * Main entry point to clone an item.
- */
- public function clone_page($js, $input, $original, $step = NULL) {
- $args = func_get_args();
- drupal_set_title($this->get_page_title('clone', $original), PASS_THROUGH);
- // If a step not set, they are trying to create a new clone. If a step
- // is set, they're in the process of cloning an item.
- if (!empty($this->plugin['use wizard']) && !empty($step)) {
- $item = $this->edit_cache_get(NULL, 'clone');
- }
- if (empty($item)) {
- // To make a clone of an item, we first export it and then re-import it.
- // Export the handler, which is a fantastic way to clean database IDs out of it.
- $export = ctools_export_crud_export($this->plugin['schema'], $original);
- $item = ctools_export_crud_import($this->plugin['schema'], $export);
- if (!empty($input[$this->plugin['export']['key']])) {
- $item->{$this->plugin['export']['key']} = $input[$this->plugin['export']['key']];
- }
- else {
- $item->{$this->plugin['export']['key']} = 'clone_of_' . $item->{$this->plugin['export']['key']};
- }
- }
- // Tabs and breadcrumb disappearing, this helps alleviate through cheating.
- // ...not sure this this is the best way.
- $trail = menu_set_active_item(ctools_export_ui_plugin_base_path($this->plugin));
- $name = $original->{$this->plugin['export']['key']};
- $form_state = array(
- 'plugin' => $this->plugin,
- 'object' => &$this,
- 'ajax' => $js,
- 'item' => $item,
- 'op' => 'add',
- 'form type' => 'clone',
- 'original name' => $name,
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- 'step' => $step,
- // Store these in case additional args are needed.
- 'function args' => $args,
- );
- $output = $this->edit_execute_form($form_state);
- if (!empty($form_state['executed']) && empty($form_state['rebuild'])) {
- $this->redirect($form_state['op'], $form_state['item']);
- }
- return $output;
- }
- /**
- * Execute the form.
- *
- * Add and Edit both funnel into this, but they have a few different
- * settings.
- */
- public function edit_execute_form(&$form_state) {
- if (!empty($this->plugin['use wizard'])) {
- return $this->edit_execute_form_wizard($form_state);
- }
- else {
- return $this->edit_execute_form_standard($form_state);
- }
- }
- /**
- * Execute the standard form for editing.
- *
- * By default, export UI will provide a single form for editing an object.
- */
- public function edit_execute_form_standard(&$form_state) {
- $output = drupal_build_form('ctools_export_ui_edit_item_form', $form_state);
- if (!empty($form_state['executed']) && empty($form_state['rebuild'])) {
- $this->edit_save_form($form_state);
- }
- return $output;
- }
- /**
- * Get the form info for the wizard.
- *
- * This gets the form info out of the plugin, then adds defaults based on
- * how we want edit forms to work.
- *
- * Overriding this can allow child UIs to tweak this info for specialized
- * wizards.
- *
- * @param array $form_state
- * The already created form state.
- */
- public function get_wizard_info(&$form_state) {
- if (!isset($form_state['step'])) {
- $form_state['step'] = NULL;
- }
- $export_key = $this->plugin['export']['key'];
- // When cloning, the name of the item being cloned is referenced in the
- // path, not the name of this item.
- if ($form_state['form type'] == 'clone') {
- $name = $form_state['original name'];
- }
- else {
- $name = $form_state['item']->{$export_key};
- }
- $form_info = !empty($this->plugin['form info']) ? $this->plugin['form info'] : array();
- $form_info += array(
- 'id' => 'ctools_export_ui_edit',
- 'path' => ctools_export_ui_plugin_menu_path($this->plugin, $form_state['form type'], $name) . '/%step',
- 'show trail' => TRUE,
- 'free trail' => TRUE,
- 'show back' => $form_state['form type'] == 'add',
- 'show return' => FALSE,
- 'show cancel' => TRUE,
- 'finish callback' => 'ctools_export_ui_wizard_finish',
- 'next callback' => 'ctools_export_ui_wizard_next',
- 'back callback' => 'ctools_export_ui_wizard_back',
- 'cancel callback' => 'ctools_export_ui_wizard_cancel',
- 'order' => array(),
- 'import order' => array(
- 'import' => t('Import code'),
- 'settings' => t('Settings'),
- ),
- );
- // Set the order of forms based on the op if we have a specific one.
- if (isset($form_info[$form_state['form type'] . ' order'])) {
- $form_info['order'] = $form_info[$form_state['form type'] . ' order'];
- }
- // We have generic fallback forms we can use if they are not specified,
- // and they automatically delegate back to the UI object. Use these if
- // not specified.
- foreach ($form_info['order'] as $key => $title) {
- if (empty($form_info['forms'][$key])) {
- $form_info['forms'][$key] = array(
- 'form id' => 'ctools_export_ui_edit_item_wizard_form',
- );
- }
- }
- // 'free trail' means the wizard can freely go back and form from item
- // via the trail and not with next/back buttons.
- if ($form_state['form type'] == 'add' || ($form_state['form type'] == 'import' && empty($form_state['item']->{$export_key}))) {
- $form_info['free trail'] = FALSE;
- }
- return $form_info;
- }
- /**
- * Execute the wizard for editing.
- *
- * For complex objects, sometimes a wizard is needed. This is normally
- * activated by setting 'use wizard' => TRUE in the plugin definition
- * and then creating a 'form info' array to feed the wizard the data
- * it needs.
- *
- * When creating this wizard, the plugin is responsible for defining all forms
- * that will be utilized with the wizard.
- *
- * Using 'add order' or 'edit order' can be used to ensure that add/edit order
- * is different.
- */
- public function edit_execute_form_wizard(&$form_state) {
- $form_info = $this->get_wizard_info($form_state);
- // If there aren't any forms set, fail.
- if (empty($form_info['order'])) {
- return MENU_NOT_FOUND;
- }
- // Figure out if this is a new instance of the wizard
- if (empty($form_state['step'])) {
- $order = array_keys($form_info['order']);
- $form_state['step'] = reset($order);
- }
- if (empty($form_info['order'][$form_state['step']]) && empty($form_info['forms'][$form_state['step']])) {
- return MENU_NOT_FOUND;
- }
- ctools_include('wizard');
- $output = ctools_wizard_multistep_form($form_info, $form_state['step'], $form_state);
- if (!empty($form_state['complete'])) {
- $this->edit_save_form($form_state);
- }
- elseif ($output && !empty($form_state['item']->export_ui_item_is_cached)) {
- // @todo this should be in the plugin strings
- drupal_set_message(t('You have unsaved changes. These changes will not be made permanent until you click <em>Save</em>.'), 'warning');
- }
- // Unset the executed flag if any non-wizard button was pressed. Those
- // buttons require special handling by whatever client is operating them.
- if (!empty($form_state['executed']) && empty($form_state['clicked_button']['#wizard type'])) {
- unset($form_state['executed']);
- }
- return $output;
- }
- /**
- * Wizard 'back' callback when using a wizard to edit an item.
- *
- * The wizard callback delegates this back to the object.
- */
- public function edit_wizard_back(&$form_state) {
- // This only exists so child implementations can use it.
- }
- /**
- * Wizard 'next' callback when using a wizard to edit an item.
- *
- * The wizard callback delegates this back to the object.
- */
- public function edit_wizard_next(&$form_state) {
- $this->edit_cache_set($form_state['item'], $form_state['form type']);
- }
- /**
- * Wizard 'cancel' callback when using a wizard to edit an item.
- *
- * The wizard callback delegates this back to the object.
- */
- public function edit_wizard_cancel(&$form_state) {
- $this->edit_cache_clear($form_state['item'], $form_state['form type']);
- }
- /**
- * Wizard 'cancel' callback when using a wizard to edit an item.
- *
- * The wizard callback delegates this back to the object.
- */
- public function edit_wizard_finish(&$form_state) {
- $form_state['complete'] = TRUE;
- // If we are importing, and overwrite was selected, delete the original so
- // that this one writes properly.
- if ($form_state['form type'] == 'import' && !empty($form_state['item']->export_ui_allow_overwrite)) {
- ctools_export_crud_delete($this->plugin['schema'], $form_state['item']);
- }
- $this->edit_cache_clear($form_state['item'], $form_state['form type']);
- }
- /**
- * Retrieve the item currently being edited from the object cache.
- */
- public function edit_cache_get($item, $op = 'edit') {
- ctools_include('object-cache');
- if (is_string($item)) {
- $name = $item;
- }
- else {
- $name = $this->edit_cache_get_key($item, $op);
- }
- $cache = ctools_object_cache_get('ctui_' . $this->plugin['name'], $name);
- if ($cache) {
- $cache->export_ui_item_is_cached = TRUE;
- return $cache;
- }
- }
- /**
- * Cache the item currently currently being edited.
- */
- public function edit_cache_set($item, $op = 'edit') {
- ctools_include('object-cache');
- $name = $this->edit_cache_get_key($item, $op);
- return $this->edit_cache_set_key($item, $name);
- }
- public function edit_cache_set_key($item, $name) {
- return ctools_object_cache_set('ctui_' . $this->plugin['name'], $name, $item);
- }
- /**
- * Clear the object cache for the currently edited item.
- */
- public function edit_cache_clear($item, $op = 'edit') {
- ctools_include('object-cache');
- $name = $this->edit_cache_get_key($item, $op);
- return ctools_object_cache_clear('ctui_' . $this->plugin['name'], $name);
- }
- /**
- * Figure out what the cache key is for this object.
- */
- public function edit_cache_get_key($item, $op) {
- $export_key = $this->plugin['export']['key'];
- return $op == 'edit' ? $item->{$this->plugin['export']['key']} : "::$op";
- }
- /**
- * Called to save the final product from the edit form.
- */
- public function edit_save_form($form_state) {
- $item = &$form_state['item'];
- $export_key = $this->plugin['export']['key'];
- $result = ctools_export_crud_save($this->plugin['schema'], $item);
- if ($result) {
- $message = str_replace('%title', check_plain($item->{$export_key}), $this->plugin['strings']['confirmation'][$form_state['op']]['success']);
- drupal_set_message($message);
- }
- else {
- $message = str_replace('%title', check_plain($item->{$export_key}), $this->plugin['strings']['confirmation'][$form_state['op']]['fail']);
- drupal_set_message($message, 'error');
- }
- }
- /**
- * Provide the actual editing form.
- */
- public function edit_form(&$form, &$form_state) {
- $export_key = $this->plugin['export']['key'];
- $item = $form_state['item'];
- $schema = ctools_export_get_schema($this->plugin['schema']);
- if (!empty($this->plugin['export']['admin_title'])) {
- $form['info'][$this->plugin['export']['admin_title']] = array(
- '#type' => 'textfield',
- '#title' => t('Administrative title'),
- '#description' => t('This will appear in the administrative interface to easily identify it.'),
- '#default_value' => $item->{$this->plugin['export']['admin_title']},
- );
- }
- $form['info'][$export_key] = array(
- '#title' => t($schema['export']['key name']),
- '#type' => 'textfield',
- '#default_value' => $item->{$export_key},
- '#description' => t('The unique ID for this @export.', array('@export' => $this->plugin['title singular'])),
- '#required' => TRUE,
- '#maxlength' => 255,
- );
- if (!empty($this->plugin['export']['admin_title'])) {
- $form['info'][$export_key]['#type'] = 'machine_name';
- $form['info'][$export_key]['#machine_name'] = array(
- 'exists' => 'ctools_export_ui_edit_name_exists',
- 'source' => array('info', $this->plugin['export']['admin_title']),
- );
- }
- if ($form_state['op'] === 'edit') {
- $form['info'][$export_key]['#disabled'] = TRUE;
- $form['info'][$export_key]['#value'] = $item->{$export_key};
- }
- if (!empty($this->plugin['export']['admin_description'])) {
- $form['info'][$this->plugin['export']['admin_description']] = array(
- '#type' => 'textarea',
- '#title' => t('Administrative description'),
- '#default_value' => $item->{$this->plugin['export']['admin_description']},
- );
- }
- // Add plugin's form definitions.
- if (!empty($this->plugin['form']['settings'])) {
- // Pass $form by reference.
- $this->plugin['form']['settings']($form, $form_state);
- }
- // Add the buttons if the wizard is not in use.
- if (empty($form_state['form_info'])) {
- // Make sure that whatever happens, the buttons go to the bottom.
- $form['buttons']['#weight'] = 100;
- // Add buttons.
- $form['buttons']['submit'] = array(
- '#type' => 'submit',
- '#value' => t('Save'),
- );
- $form['buttons']['delete'] = array(
- '#type' => 'submit',
- '#value' => $item->export_type & EXPORT_IN_CODE ? t('Revert') : t('Delete'),
- '#access' => $form_state['op'] === 'edit' && $item->export_type & EXPORT_IN_DATABASE,
- '#submit' => array('ctools_export_ui_edit_item_form_delete'),
- );
- }
- }
- /**
- * Validate callback for the edit form.
- */
- public function edit_form_validate(&$form, &$form_state) {
- if (!empty($this->plugin['form']['validate'])) {
- // Pass $form by reference.
- $this->plugin['form']['validate']($form, $form_state);
- }
- }
- /**
- * Perform a final validation check before allowing the form to be
- * finished.
- */
- public function edit_finish_validate(&$form, &$form_state) {
- if ($form_state['op'] != 'edit') {
- // Validate the export key. Fake an element for form_error().
- $export_key = $this->plugin['export']['key'];
- $element = array(
- '#value' => $form_state['item']->{$export_key},
- '#parents' => array($export_key),
- );
- $form_state['plugin'] = $this->plugin;
- ctools_export_ui_edit_name_validate($element, $form_state);
- }
- }
- /**
- * Handle the submission of the edit form.
- *
- * At this point, submission is successful. Our only responsibility is
- * to copy anything out of values onto the item that we are able to edit.
- *
- * If the keys all match up to the schema, this method will not need to be
- * overridden.
- */
- public function edit_form_submit(&$form, &$form_state) {
- if (!empty($this->plugin['form']['submit'])) {
- // Pass $form by reference.
- $this->plugin['form']['submit']($form, $form_state);
- }
- // Transfer data from the form to the $item based upon schema values.
- $schema = ctools_export_get_schema($this->plugin['schema']);
- foreach (array_keys($schema['fields']) as $key) {
- if(isset($form_state['values'][$key])) {
- $form_state['item']->{$key} = $form_state['values'][$key];
- }
- }
- }
- // ------------------------------------------------------------------------
- // These methods are the API for 'other' stuff with exportables such as
- // enable, disable, import, export, delete
- /**
- * Callback to enable a page.
- */
- public function enable_page($js, $input, $item) {
- return $this->set_item_state(FALSE, $js, $input, $item);
- }
- /**
- * Callback to disable a page.
- */
- public function disable_page($js, $input, $item) {
- return $this->set_item_state(TRUE, $js, $input, $item);
- }
- /**
- * Set an item's state to enabled or disabled and output to user.
- *
- * If javascript is in use, this will rebuild the list and send that back
- * as though the filter form had been executed.
- */
- public function set_item_state($state, $js, $input, $item) {
- ctools_export_crud_set_status($this->plugin['schema'], $item, $state);
- if (!$js) {
- drupal_goto(ctools_export_ui_plugin_base_path($this->plugin));
- }
- else {
- return $this->list_page($js, $input);
- }
- }
- /**
- * Page callback to delete an exportable item.
- */
- public function delete_page($js, $input, $item) {
- $form_state = array(
- 'plugin' => $this->plugin,
- 'object' => &$this,
- 'ajax' => $js,
- 'item' => $item,
- 'op' => $item->export_type & EXPORT_IN_CODE ? 'revert' : 'delete',
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- );
- $output = drupal_build_form('ctools_export_ui_delete_confirm_form', $form_state);
- if (!empty($form_state['executed'])) {
- $this->delete_form_submit($form_state);
- $this->redirect($form_state['op'], $item);
- }
- return $output;
- }
- /**
- * Deletes exportable items from the database.
- */
- public function delete_form_submit(&$form_state) {
- $item = $form_state['item'];
- ctools_export_crud_delete($this->plugin['schema'], $item);
- $export_key = $this->plugin['export']['key'];
- $message = str_replace('%title', check_plain($item->{$export_key}), $this->plugin['strings']['confirmation'][$form_state['op']]['success']);
- drupal_set_message($message);
- }
- /**
- * Page callback to display export information for an exportable item.
- */
- public function export_page($js, $input, $item) {
- drupal_set_title($this->get_page_title('export', $item), PASS_THROUGH);
- return drupal_get_form('ctools_export_form', ctools_export_crud_export($this->plugin['schema'], $item), t('Export'));
- }
- /**
- * Page callback to import information for an exportable item.
- */
- public function import_page($js, $input, $step = NULL) {
- $args = func_get_args();
- drupal_set_title($this->get_page_title('import'), PASS_THROUGH);
- // Import is basically a multi step wizard form, so let's go ahead and
- // use CTools' wizard.inc for it.
- // If a step not set, they are trying to create a new item. If a step
- // is set, they're in the process of creating an item.
- if (!empty($step)) {
- $item = $this->edit_cache_get(NULL, 'import');
- }
- if (empty($item)) {
- $item = ctools_export_crud_new($this->plugin['schema']);
- }
- $form_state = array(
- 'plugin' => $this->plugin,
- 'object' => &$this,
- 'ajax' => $js,
- 'item' => $item,
- 'op' => 'add',
- 'form type' => 'import',
- 'rerender' => TRUE,
- 'no_redirect' => TRUE,
- 'step' => $step,
- // Store these in case additional args are needed.
- 'function args' => $args,
- );
- // import always uses the wizard.
- $output = $this->edit_execute_form_wizard($form_state);
- if (!empty($form_state['executed'])) {
- $this->redirect($form_state['op'], $form_state['item']);
- }
- return $output;
- }
- /**
- * Import form. Provides simple helptext instructions and textarea for
- * pasting a export definition.
- */
- public function edit_form_import(&$form, &$form_state) {
- $form['help'] = array(
- '#type' => 'item',
- '#value' => $this->plugin['strings']['help']['import'],
- );
- $form['import'] = array(
- '#title' => t('@plugin code', array('@plugin' => $this->plugin['title singular proper'])),
- '#type' => 'textarea',
- '#rows' => 10,
- '#required' => TRUE,
- '#default_value' => !empty($form_state['item']->export_ui_code) ? $form_state['item']->export_ui_code : '',
- );
- $form['overwrite'] = array(
- '#title' => t('Allow import to overwrite an existing record.'),
- '#type' => 'checkbox',
- '#default_value' => !empty($form_state['item']->export_ui_allow_overwrite) ? $form_state['item']->export_ui_allow_overwrite : FALSE,
- );
- }
- /**
- * Import form validate handler.
- *
- * Evaluates code and make sure it creates an object before we continue.
- */
- public function edit_form_import_validate($form, &$form_state) {
- $item = ctools_export_crud_import($this->plugin['schema'], $form_state['values']['import']);
- if (is_string($item)) {
- form_error($form['import'], t('Unable to get an import from the code. Errors reported: @errors', array('@errors' => $item)));
- return;
- }
- $form_state['item'] = $item;
- $form_state['item']->export_ui_allow_overwrite = $form_state['values']['overwrite'];
- $form_state['item']->export_ui_code = $form_state['values']['import'];
- }
- /**
- * Submit callback for import form.
- *
- * Stores the item in the session.
- */
- public function edit_form_import_submit($form, &$form_state) {
- // The validate function already imported and stored the item. This
- // function exists simply to prevent it from going to the default
- // edit_form_submit() method.
- }
- }
- // -----------------------------------------------------------------------
- // Forms to be used with this class.
- //
- // Since Drupal's forms are completely procedural, these forms will
- // mostly just be pass-throughs back to the object.
- /**
- * Add all appropriate includes to forms so that caching the form
- * still loads the files that we need.
- */
- function _ctools_export_ui_add_form_files($form, &$form_state) {
- ctools_form_include($form_state, 'export');
- ctools_form_include($form_state, 'export-ui');
- // Also make sure the plugin .inc file is loaded.
- ctools_form_include_file($form_state, $form_state['object']->plugin['path'] . '/' . $form_state['object']->plugin['file']);
- }
- /**
- * Form callback to handle the filter/sort form when listing items.
- *
- * This simply loads the object defined in the plugin and hands it off.
- */
- function ctools_export_ui_list_form($form, &$form_state) {
- $form_state['object']->list_form($form, $form_state);
- return $form;
- }
- /**
- * Validate handler for ctools_export_ui_list_form.
- */
- function ctools_export_ui_list_form_validate(&$form, &$form_state) {
- $form_state['object']->list_form_validate($form, $form_state);
- }
- /**
- * Submit handler for ctools_export_ui_list_form.
- */
- function ctools_export_ui_list_form_submit(&$form, &$form_state) {
- $form_state['object']->list_form_submit($form, $form_state);
- }
- /**
- * Form callback to edit an exportable item.
- *
- * This simply loads the object defined in the plugin and hands it off.
- */
- function ctools_export_ui_edit_item_form($form, &$form_state) {
- // When called using #ajax via ajax_form_callback(), 'export' may
- // not be included so include it here.
- _ctools_export_ui_add_form_files($form, $form_state);
- $form_state['object']->edit_form($form, $form_state);
- return $form;
- }
- /**
- * Validate handler for ctools_export_ui_edit_item_form.
- */
- function ctools_export_ui_edit_item_form_validate(&$form, &$form_state) {
- $form_state['object']->edit_form_validate($form, $form_state);
- }
- /**
- * Submit handler for ctools_export_ui_edit_item_form.
- */
- function ctools_export_ui_edit_item_form_submit(&$form, &$form_state) {
- $form_state['object']->edit_form_submit($form, $form_state);
- }
- /**
- * Submit handler to delete for ctools_export_ui_edit_item_form
- *
- * @todo Put this on a callback in the object.
- */
- function ctools_export_ui_edit_item_form_delete(&$form, &$form_state) {
- _ctools_export_ui_add_form_files($form, $form_state);
- $export_key = $form_state['plugin']['export']['key'];
- $path = $form_state['item']->export_type & EXPORT_IN_CODE ? 'revert' : 'delete';
- drupal_goto(ctools_export_ui_plugin_menu_path($form_state['plugin'], $path, $form_state['item']->{$export_key}), array('cancel_path' => $_GET['q']));
- }
- /**
- * Validate that an export item name is acceptable and unique during add.
- */
- function ctools_export_ui_edit_name_validate($element, &$form_state) {
- $plugin = $form_state['plugin'];
- // Check for string identifier sanity
- if (!preg_match('!^[a-z0-9_]+$!', $element['#value'])) {
- form_error($element, t('The export id can only consist of lowercase letters, underscores, and numbers.'));
- return;
- }
- // Check for name collision
- if (empty($form_state['item']->export_ui_allow_overwrite) && $exists = ctools_export_crud_load($plugin['schema'], $element['#value'])) {
- form_error($element, t('A @plugin with this name already exists. Please choose another name or delete the existing item before creating a new one.', array('@plugin' => $plugin['title singular'])));
- }
- }
- /**
- * Test for #machine_name type to see if an export exists.
- */
- function ctools_export_ui_edit_name_exists($name, $element, &$form_state) {
- $plugin = $form_state['plugin'];
- return (empty($form_state['item']->export_ui_allow_overwrite) && ctools_export_crud_load($plugin['schema'], $name));
- }
- /**
- * Delete/Revert confirm form.
- *
- * @todo -- call back into the object instead.
- */
- function ctools_export_ui_delete_confirm_form($form, &$form_state) {
- _ctools_export_ui_add_form_files($form, $form_state);
- $plugin = $form_state['plugin'];
- $item = $form_state['item'];
- $form = array();
- $export_key = $plugin['export']['key'];
- $question = str_replace('%title', check_plain($item->{$export_key}), $plugin['strings']['confirmation'][$form_state['op']]['question']);
- $path = (!empty($_REQUEST['cancel_path']) && !url_is_external($_REQUEST['cancel_path'])) ? $_REQUEST['cancel_path'] : ctools_export_ui_plugin_base_path($plugin);
- $form = confirm_form($form,
- $question,
- $path,
- $plugin['strings']['confirmation'][$form_state['op']]['information'],
- $plugin['allowed operations'][$form_state['op']]['title'], t('Cancel')
- );
- return $form;
- }
- // --------------------------------------------------------------------------
- // Forms and callbacks for using the edit system with the wizard.
- /**
- * Form callback to edit an exportable item using the wizard
- *
- * This simply loads the object defined in the plugin and hands it off.
- */
- function ctools_export_ui_edit_item_wizard_form($form, &$form_state) {
- _ctools_export_ui_add_form_files($form, $form_state);
- $method = 'edit_form_' . $form_state['step'];
- if (!method_exists($form_state['object'], $method)) {
- $method = 'edit_form';
- }
- $form_state['object']->$method($form, $form_state);
- return $form;
- }
- /**
- * Validate handler for ctools_export_ui_edit_item_wizard_form.
- */
- function ctools_export_ui_edit_item_wizard_form_validate(&$form, &$form_state) {
- $method = 'edit_form_' . $form_state['step'] . '_validate';
- if (!method_exists($form_state['object'], $method)) {
- $method = 'edit_form_validate';
- }
- $form_state['object']->$method($form, $form_state);
- // Additionally, if there were no errors from that, and we're finishing,
- // perform a final validate to make sure everything is ok.
- if (isset($form_state['clicked_button']['#wizard type']) && $form_state['clicked_button']['#wizard type'] == 'finish' && !form_get_errors()) {
- $form_state['object']->edit_finish_validate($form, $form_state);
- }
- }
- /**
- * Submit handler for ctools_export_ui_edit_item_wizard_form.
- */
- function ctools_export_ui_edit_item_wizard_form_submit(&$form, &$form_state) {
- $method = 'edit_form_' . $form_state['step'] . '_submit';
- if (!method_exists($form_state['object'], $method)) {
- $method = 'edit_form_submit';
- }
- $form_state['object']->$method($form, $form_state);
- }
- /**
- * Wizard 'back' callback when using a wizard to edit an item.
- */
- function ctools_export_ui_wizard_back(&$form_state) {
- $form_state['object']->edit_wizard_back($form_state);
- }
- /**
- * Wizard 'next' callback when using a wizard to edit an item.
- */
- function ctools_export_ui_wizard_next(&$form_state) {
- $form_state['object']->edit_wizard_next($form_state);
- }
- /**
- * Wizard 'cancel' callback when using a wizard to edit an item.
- */
- function ctools_export_ui_wizard_cancel(&$form_state) {
- $form_state['object']->edit_wizard_cancel($form_state);
- }
- /**
- * Wizard 'finish' callback when using a wizard to edit an item.
- */
- function ctools_export_ui_wizard_finish(&$form_state) {
- $form_state['object']->edit_wizard_finish($form_state);
- }
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