google_chart_tools.module in Google Chart Tools 7

File

google_chart_tools.module

<?php

// default chart type
define("GOOGLE_CHART_TOOLS_DEFAULT_CHART", "LineChart");

/**
 * Implements hook_init().
 */
function google_chart_tools_init() {
  drupal_add_js('https://www.google.com/jsapi', 'external');
}

/**
 * Draw the chart
 */
function draw_chart($settings) {
  drupal_alter('draw_chart', $settings);
  foreach ($settings['chart'] as $id => $chart) {
    if (!isset($settings['chart'][$id]['containerId'])) {
      $settings['chart'][$id]['containerId'] = drupal_strtolower(str_replace(" ", "-", $id));
    }
  }
  drupal_add_css(drupal_get_path('module', 'google_chart_tools') . '/google_chart_tools.css');
  drupal_add_js(drupal_get_path('module', 'google_chart_tools') . '/google_chart_tools.js');
  drupal_add_js($settings, array(
    'type' => 'setting',
  ));
  $ret = array(
    'title' => $chart['options']['title'],
    'id' => $id,
    'weight' => isset($chart['weight']) ? $chart['weight'] : 0,
    'markup' => "<div id='{$settings['chart'][$id]['containerId']}'></div>",
  );
  return $ret;
}

/**
 * Return types of charts that google can render.
 */
function google_chart_tools_load_types() {

  // define default types from API documentation
  $types = array(
    'LineChart' => t('Line Chart'),
    'PieChart' => t('Pie Chart'),
    'ColumnChart' => t('Column Chart'),
    'AreaChart' => t('Area Chart'),
    'Gauge' => t('Gauge'),
    'BarChart' => t('Bar Chart'),
    'OrgChart' => t('Organizational Chart'),
  );

  // allow other projects to alter chart types
  drupal_alter('gct_types', $types);
  return $types;
}

Functions

Name	Description
draw_chart	Draw the chart
google_chart_tools_init	Implements hook_init().
google_chart_tools_load_types	Return types of charts that google can render.

Constants

Name	Description
GOOGLE_CHART_TOOLS_DEFAULT_CHART