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<?php
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//$Id $
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/**
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* @file views_json.views.inc
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* Views style plugin to render nodes in the JSON data format.
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* @see views-view-json.tpl.php views-view-row-unformatted.tpl.php
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* @ingroup views_plugins
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*/
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/**
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* Implementation of hook_views_plugin
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*
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*/
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function views_json_views_plugins() {
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return array(
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'style' => array( //declare the views_json style plugin
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'views_json' => array(
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'title' => t('JSON data document'),
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'theme' => 'views_view_json',
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'help' => t('Displays nodes in the JSON data format.'),
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'handler' => 'views_plugin_style_json',
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'uses row plugin' => TRUE,
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'uses fields' => TRUE,
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'uses options' => TRUE,
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'type' => 'normal',
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),
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),
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'row' => array( //declare the unformatted row plugin
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'unformatted' => array(
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'title' => t('Unformatted'),
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'help' => t('(Displays the unformatted data for each row from the views query with each row on a new line. Set as | for views_json.'),
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'handler' => 'views_plugin_row_unformatted',
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'theme' => 'views_view_row_unformatted',
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'uses fields' => TRUE,
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'uses options' => TRUE,
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'type' => 'normal',
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)
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)
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);
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}
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/**
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* Implementation of views_plugin_style
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*
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*/
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class views_plugin_style_json extends views_plugin_style {
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/**
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* Set default options
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*/
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function options(&$options) {
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$options['format'] = 'Exhibit';
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}
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/**
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* Provide a form for setting options.
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*
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* @param array $form
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* @param array $form_state
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*/
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function options_form(&$form, &$form_state) {
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$form['format'] = array(
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'#type' => 'radios',
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'#title' => t('JSON data format'),
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'#options' => array('Exhibit' => t('MIT Simile/Exhibit'), 'Canonical' => t('Canonical'), 'JSONP' => t('JSONP')),
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'#default_value' => $this->options['format'],
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);
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}
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}
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/**
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* Theme preprocess function for views-view-json.tpl.php
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*
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* @param array $vars
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*/
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function template_preprocess_views_view_json(&$vars) {
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$view = &$vars['view'];
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$options = $view->style_handler->options;
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$handler = $view->style_handler;
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}
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/**
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* Implementation of views_row_plugin
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*
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*/
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class views_plugin_row_unformatted extends views_plugin_row {
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/**
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* Set default options
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*
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* @param array $options
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*/
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function options(&$options) {
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$options['separator'] = '|';
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}
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/**
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* Provide a form for setting options.
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*/
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function options_form(&$form, &$form_state) {
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$fields = $this->display->handler->get_option('fields');
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$options = array();
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foreach ($fields as $field => $info) {
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$handler = views_get_handler($info['table'], $info['field'], 'field');
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if ($handler) {
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$options[$field] = $handler->ui_name();
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}
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}
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$form['separator'] = array(
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'#title' => t('Separator'),
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'#type' => 'textfield',
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'#size' => 10,
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'#default_value' => isset($this->options['separator']) ? $this->options['separator'] : ',',
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'#description' => t('The separator is placed between fields.'),
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);
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}
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}
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/**
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* Theme preprocess function for views-view-row-unformatted.tpl.php
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*/
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function template_preprocess_views_view_row_unformatted(&$vars) {
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$view = $vars['view'];
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//print('preprocess');
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// Loop through the fields for this view.
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foreach ($view->field as $id => $field) {
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if (!empty($field['handler']) && is_object($field['handler'])) {
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$object = new stdClass();
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$object->content = $field['handler']->theme($vars['row']);
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if (isset($field['handler']->field_alias) && isset($vars['row']->{$field['handler']->field_alias})) {
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$object->raw = $vars['row']->{$field['handler']->field_alias};
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}
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else {
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$object->raw = NULL; // make sure it exists to reduce NOTICE
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}
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if (!empty($vars['options']['separator']) && $object->content) {
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$object->separator = filter_xss_admin($vars['options']['separator']);
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}
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$object->handler = $field['handler'];
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$object->class = views_css_safe($id);
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$object->label = check_plain($field['handler']->label());
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$vars['fields'][$id] = $object;
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}
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}
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}
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