function ctools_context_ajax_item_edit

Ajax entry point to edit an item

File

includes/context-admin.inc, line 497

Code

function ctools_context_ajax_item_edit($mechanism = NULL, $type = NULL, $cache_key = NULL, $position = NULL, $step = NULL) {
    ctools_include('ajax');
    ctools_include('modal');
    ctools_include('context');
    ctools_include('cache');
    ctools_include('plugins-admin');
    if (!isset($position)) {
        return ctools_ajax_render_error();
    }
    // Load stored object from cache.
    if (!($object = ctools_cache_get($mechanism, $cache_key))) {
        ctools_ajax_render_error(t('Invalid object name.'));
    }
    $type_info = ctools_context_info($type);
    // Create a reference to the place our context lives. Since this is fairly
    // generic, this is the easiest way to get right to the place of the
    // object without knowing precisely what data we're poking at.
    $ref =& $object->{$type_info['key']};
    if (empty($step) || empty($object->temporary)) {
        // Create the basis for our new context.
        $conf = $object->{$type_info['key']}[$position];
        $object->temporary =& $conf;
    }
    else {
        $conf =& $object->temporary;
    }
    $name = $ref[$position]['name'];
    if (empty($name)) {
        ctools_ajax_render_error();
    }
    // load the plugin definition
    $plugin_definition = ctools_context_get_plugin($type, $name);
    if (empty($plugin_definition)) {
        ctools_ajax_render_error(t('Invalid context type'));
    }
    // Load the contexts
    $base_contexts = isset($object->base_contexts) ? $object->base_contexts : array();
    $contexts = ctools_context_load_contexts($object, TRUE, $base_contexts);
    $form_state = array(
        'ajax' => TRUE,
        'modal' => TRUE,
        'modal return' => TRUE,
        'object' => &$object,
        'conf' => &$conf,
        'position' => $position,
        'plugin' => $plugin_definition,
        'type' => $type,
        'contexts' => $contexts,
        'title' => t('Edit @type "@context"', array(
            '@type' => $type_info['singular title'],
            '@context' => $plugin_definition['title'],
        )),
        'type info' => $type_info,
        'op' => 'add',
        'step' => $step,
    );
    $form_info = array(
        'path' => "ctools/context/ajax/configure/{$mechanism}/{$type}/{$cache_key}/{$position}/%step",
        'show cancel' => TRUE,
        'default form' => 'ctools_edit_context_form_defaults',
        'auto cache' => TRUE,
        'cache mechanism' => $mechanism,
        'cache key' => $cache_key,
        // This is stating what the cache will be referred to in $form_state
'cache location' => 'object',
    );
    if ($type == 'requiredcontext') {
        $form_info += array(
            'add form name' => 'required context add form',
            'edit form name' => 'required context edit form',
        );
    }
    $output = ctools_plugin_configure_form($form_info, $form_state);
    if (!empty($form_state['cancel'])) {
        $output = array(
            ctools_modal_command_dismiss(),
        );
    }
    elseif (!empty($form_state['complete'])) {
        // successful submit
        $ref[$position] = $conf;
        if (isset($object->temporary)) {
            unset($object->temporary);
        }
        ctools_cache_operation($mechanism, $cache_key, 'finalize', $object);
        $output = array();
        $output[] = ctools_modal_command_dismiss();
        $arg_form_state = form_state_defaults() + array(
            'values' => array(),
            'process_input' => FALSE,
            'complete form' => array(),
        );
        $arg_form = array(
            '#post' => array(),
            '#parents' => array(),
            '#array_parents' => array(),
            '#programmed' => FALSE,
            '#tree' => FALSE,
        );
        // Build a chunk of the form to merge into the displayed form
        $arg_form[$type] = array(
            '#tree' => TRUE,
        );
        $arg_form[$type][$position] = array(
            '#tree' => TRUE,
        );
        ctools_context_add_item_to_form($mechanism, $type, $cache_key, $arg_form[$type][$position], $position, $ref[$position]);
        $arg_form = form_builder('ctools_context_form', $arg_form, $arg_form_state);
        $theme_vars = array();
        $theme_vars['type'] = $type;
        $theme_vars['form'] = $arg_form[$type][$position];
        $theme_vars['position'] = $position;
        $theme_vars['count'] = $position;
        $output[] = ajax_command_replace('#' . $type . '-row-' . $position, theme('ctools_context_item_row', $theme_vars));
        $output[] = ajax_command_changed('#' . $type . '-row-' . $position, '.title');
    }
    else {
        $output = ctools_modal_form_render($form_state, $output);
    }
    print ajax_render($output);
    exit;
}