easychart_wysiwyg.module in Easychart 7.3

Easychart WYSIWYG integration.

File

modules/easychart_wysiwyg/easychart_wysiwyg.module

<?php

/**
 * @file
 * Easychart WYSIWYG integration.
 */

/**
 * Implements hook_menu().
 */
function easychart_wysiwyg_menu() {
  $items['easycharts/chart-options/%node'] = array(
    'page callback' => 'easychart_chart_options',
    'page arguments' => array(
      2,
    ),
    'access callback' => 'node_access',
    'access arguments' => array(
      'view',
      2,
    ),
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}

/**
 * Implements hook_permission().
 */
function easychart_wysiwyg_permission() {
  return array(
    'view easychart wysiwyg list' => array(
      'title' => t('View Easychart WYSIWYG list'),
      'description' => t('People with this permission will be allowed to access the view to embed charts in editors.'),
    ),
  );
}

/**
 * Implements hook_theme_registry_alter().
 */
function easychart_wysiwyg_theme_registry_alter(&$theme_registry) {

  // Add 'html--editor-easychart.tpl.php' template file
  $theme_registry['html__admin__config__media__easychart__charts'] = array();
  $theme_registry['html__admin__config__media__easychart__charts']['template'] = 'html--easychart-charts';
  $theme_registry['html__admin__config__media__easychart__charts']['path'] = drupal_get_path('module', 'easychart_wysiwyg') . "/theme";
  $theme_registry['html__admin__config__media__easychart__charts']['render element'] = 'html';
  $theme_registry['html__admin__config__media__easychart__charts']['base hook'] = 'html';
  $theme_registry['html__admin__config__media__easychart__charts']['type'] = 'module';
  $theme_registry['html__admin__config__media__easychart__charts']['theme path'] = drupal_get_path('module', 'easychart_wysiwyg') . "/theme";

  // Add 'page--editor-easychart.tpl.php' template file
  $theme_registry['page__admin__config__media__easychart__charts'] = array();
  $theme_registry['page__admin__config__media__easychart__charts']['template'] = 'page--easychart-charts';
  $theme_registry['page__admin__config__media__easychart__charts']['path'] = drupal_get_path('module', 'easychart_wysiwyg') . "/theme";
  $theme_registry['page__admin__config__media__easychart__charts']['render element'] = 'page';
  $theme_registry['page__admin__config__media__easychart__charts']['base hook'] = 'page';
  $theme_registry['page__admin__config__media__easychart__charts']['type'] = 'module';
  $theme_registry['page__admin__config__media__easychart__charts']['theme path'] = drupal_get_path('module', 'easychart_wysiwyg') . "/theme";
  $theme_registry['page__admin__config__media__easychart__charts']['override preprocess functions'] = TRUE;
}

/*
 * Implements template_preprocess_page.
 */
function easychart_wysiwyg_preprocess_page(&$variables) {

  // Force the use of this template.
  if ($variables['theme_hook_suggestions'][0] == 'page__admin__config_media__easychart__charts') {
    $variables['theme_hook_suggestion'] = 'page__admin__config_media__easychart__charts';
  }
}

/**
 * Implementing the Wysiwyg API.
 *
 * Register a directory containing Wysiwyg plugins.
 *
 * @param string $type
 *   The type of objects being collected: either 'plugins' or 'editors'.
 *
 * @return string
 *   A sub-directory of the implementing module that contains the corresponding
 *   plugin files. This directory must only contain integration files for
 *   Wysiwyg module.
 */
function easychart_wysiwyg_wysiwyg_include_directory($type) {
  switch ($type) {
    case 'plugins':

      // You can just return $type, if you place your Wysiwyg plugins into a
      // sub-directory named 'plugins'.
      return $type;
  }
}

/**
 * Implements hook_views_api().
 */
function easychart_wysiwyg_views_api() {
  return array(
    'api' => 3.0,
  );
}

/**
 * Implements of hook_views_pre_render().
 */
function easychart_wysiwyg_views_pre_render(&$view) {
  if ($view->name == 'easychart_plugin' && $view->current_display == 'page') {

    // suppress other interface elements.
    module_invoke_all('suppress');
    drupal_add_js("var oEditor = window.parent.CKEDITOR;\n      if (oEditor) {\n      var instance = oEditor.currentInstance;\n      var lang = oEditor.lang;\n      var config = oEditor.config;\n      }", 'inline');
    drupal_add_js(drupal_get_path('module', 'easychart_wysiwyg') . '/plugins/js/popup.js');
  }
}

/**
 * Implements hook_init().
 */
function easychart_wysiwyg_init() {

  // A global counter to be used when printing the charts.
  global $chart_count;
  $chart_count = 0;
  drupal_add_css(drupal_get_path('module', 'easychart_wysiwyg') . '/plugins/css/plugin.css');
}

/**
 * Implements hook_filter_info().
 */
function easychart_wysiwyg_filter_info() {
  $filters['easychart'] = array(
    'title' => t('Insert Easychart charts'),
    'prepare callback' => 'easychart_wysiwyg_filter_easychart_prepare',
    'process callback' => 'easychart_wysiwyg_filter_easychart_process',
    'tips callback' => 'easychart_wysiwyg_filter_easychart_tips',
    'cache' => FALSE,
  );
  return $filters;
}

/**
 * Prepare callback for hook_filter
 *
 * // TODO this shouldn't be needed, remove from info hook too.
 */
function easychart_wysiwyg_filter_easychart_prepare($text, $filter, $format, $langcode, $cache, $cache_id) {
  return $text;
}

/**
 * Process callback for hook_filter
 */
function easychart_wysiwyg_filter_easychart_process($text, $filter, $format, $langcode, $cache, $cache_id) {
  if (preg_match('/\\[\\[chart-nid:(\\d+),chart-view-mode:(\\w+)\\]\\]/', $text, $matches)) {
    return preg_replace_callback('/\\[\\[chart-nid:(\\d+),chart-view-mode:(\\w+)\\]\\]/', '_easychart_wysiwyg_render_node', $text);
  }
  else {
    if (preg_match('/\\[\\[chart-nid:(\\d+)\\]\\]/', $text, $matches)) {
      return preg_replace_callback('/\\[\\[chart-nid:(\\d+)\\]\\]/', '_easychart_wysiwyg_render_node', $text);
    }
    else {
      return $text;
    }
  }
}

/**
 * Tips callback for hook_filter
 */
function easychart_wysiwyg_filter_easychart_tips($filter, $format, $long) {
  return t('[[chart-nid:123,chart-view-mode:teaser]] - Insert a chart');
}

/**
 * Page callback for passing the chart options to the easychart wysiwyg widget.
 *
 * @param $chartNode
 */
function easychart_chart_options($chartNode) {
  if (!empty($chartNode->easychart[LANGUAGE_NONE][0]['config'])) {
    drupal_json_output(array(
      'options' => $chartNode->easychart[LANGUAGE_NONE][0]['config'],
    ));
  }
  else {
    drupal_not_found();
  }
}

/**
 * Provides the replacement html to be rendered in place of the embed code.
 *
 * Does not handle nested embeds.
 *
 * @param array $matches
 *   numeric node id that has been captured by preg_replace_callback
 *
 * @return string
 *   The rendered HTML replacing the embed code
 */
function _easychart_wysiwyg_render_node($matches) {
  $node = node_load($matches[1]);
  $view_mode = 'full';
  if (isset($matches[2])) {
    $view_mode = $matches[2];
  }
  if ($node == FALSE || !node_access('view', $node) || !$node->status) {
    return "[[chart-nid:{$matches[1]},chart-view-mode:{$view_mode}]]";
  }
  else {
    $view = node_view($node, $view_mode);
    $render = drupal_render($view);
    return $render;
  }
}

Functions

Name	Description
easychart_chart_options	Page callback for passing the chart options to the easychart wysiwyg widget.
easychart_wysiwyg_filter_easychart_prepare	Prepare callback for hook_filter
easychart_wysiwyg_filter_easychart_process	Process callback for hook_filter
easychart_wysiwyg_filter_easychart_tips	Tips callback for hook_filter
easychart_wysiwyg_filter_info	Implements hook_filter_info().
easychart_wysiwyg_init	Implements hook_init().
easychart_wysiwyg_menu	Implements hook_menu().
easychart_wysiwyg_permission	Implements hook_permission().
easychart_wysiwyg_preprocess_page
easychart_wysiwyg_theme_registry_alter	Implements hook_theme_registry_alter().
easychart_wysiwyg_views_api	Implements hook_views_api().
easychart_wysiwyg_views_pre_render	Implements of hook_views_pre_render().
easychart_wysiwyg_wysiwyg_include_directory	Implementing the Wysiwyg API.
_easychart_wysiwyg_render_node	Provides the replacement html to be rendered in place of the embed code.