function views_ui_import_validate

Validate handler to import a view.

File

includes/admin.inc, line 2140

Code

function views_ui_import_validate($form, &$form_state) {
    $view = '';
    views_include('view');
    // Be forgiving if someone pastes views code that starts with '<?php'.
    if (substr($form_state['values']['view'], 0, 5) == '<?php') {
        $form_state['values']['view'] = substr($form_state['values']['view'], 5);
    }
    ob_start();
    eval($form_state['values']['view']);
    ob_end_clean();
    if (!is_object($view)) {
        return form_error($form['view'], t('Unable to interpret view code.'));
    }
    if (empty($view->api_version) || $view->api_version < 2) {
        form_error($form['view'], t('That view is not compatible with this version of Views.
      If you have a view from views1 you have to go to a drupal6 installation and import it there.'));
    }
    elseif (version_compare($view->api_version, views_api_version(), '>')) {
        form_error($form['view'], t('That view is created for the version @import_version of views, but you only have @api_version', array(
            '@import_version' => $view->api_version,
            '@api_version' => views_api_version(),
        )));
    }
    // View name must be alphanumeric or underscores, no other punctuation.
    if (!empty($form_state['values']['name']) && preg_match('/[^a-zA-Z0-9_]/', $form_state['values']['name'])) {
        form_error($form['name'], t('View name must be alphanumeric or underscores only.'));
    }
    if ($form_state['values']['name']) {
        $view->name = $form_state['values']['name'];
    }
    $test = views_get_view($view->name);
    if (!$form_state['values']['name_override']) {
        if ($test && $test->type != t('Default')) {
            form_set_error('', t('A view by that name already exists; please choose a different name'));
        }
    }
    else {
        if (!empty($test->vid)) {
            $view->vid = $test->vid;
        }
    }
    // Make sure base table gets set properly if it got moved.
    $view->update();
    $view->init_display();
    $broken = FALSE;
    // Bypass the validation of view pluigns/handlers if option is checked.
    if (!$form_state['values']['bypass_validation']) {
        // Make sure that all plugins and handlers needed by this view actually
        // exist.
        foreach ($view->display as $display) {
            if (empty($display->handler) || !empty($display->handler->broken)) {
                drupal_set_message(t('Display plugin @plugin is not available.', array(
                    '@plugin' => $display->display_plugin,
                )), 'error');
                $broken = TRUE;
                continue;
            }
            $plugin = views_get_plugin('style', $display->handler
                ->get_option('style_plugin'));
            if (!$plugin) {
                drupal_set_message(t('Style plugin @plugin is not available.', array(
                    '@plugin' => $display->handler
                        ->get_option('style_plugin'),
                )), 'error');
                $broken = TRUE;
            }
            elseif ($plugin->uses_row_plugin()) {
                $plugin = views_get_plugin('row', $display->handler
                    ->get_option('row_plugin'));
                if (!$plugin) {
                    drupal_set_message(t('Row plugin @plugin is not available.', array(
                        '@plugin' => $display->handler
                            ->get_option('row_plugin'),
                    )), 'error');
                    $broken = TRUE;
                }
            }
            foreach (views_object_types() as $type => $info) {
                $handlers = $display->handler
                    ->get_handlers($type);
                if ($handlers) {
                    foreach ($handlers as $handler) {
                        if ($handler->broken()) {
                            drupal_set_message(t('@type handler @table.@field is not available.', array(
                                '@type' => $info['stitle'],
                                '@table' => $handler->table,
                                '@field' => $handler->field,
                            )), 'error');
                            $broken = TRUE;
                        }
                    }
                }
            }
        }
    }
    if ($broken) {
        form_set_error('', t('Unable to import view.'));
    }
    $form_state['view'] =& $view;
}