array( 'variables' => array('type' => NULL, 'name' => NULL, 'columns' => array(), 'rows' => array(), 'options' => array()), ), 'google_chart_wrapper' => array( 'variables' => array('chart_wrapper' => NULL, 'data' => NULL), ), 'google_dashboard' => array( 'variables' => array('dashboard' => NULL, 'controls' => array(), 'charts' => array(), 'data' => NULL), ), ); } /** * Theme callback for drawing a chart. */ function theme_google_chart($variables) { static $count = 1; // Ensure we were passed a chart type. if (!isset($variables['type'])) { return; } // Create the data table. $data = new GoogleChartsDataTable(); // Add columns to the table (if provided). foreach ($variables['columns'] as $column) { $column += array( 'type' => GoogleChartsDataColumn::NUMBER, 'label' => '', 'name' => '', 'role' => GoogleChartsDataColumn::ANNOTATION, ); $data->addColumn($column['type'], $column['label'], $column['name'], $column['role']); } // Add rows to the data table. $data->addRows($variables['rows']); // Create a unique name if no name was provided. if (!isset($variables['name'])) { $variables['name'] = 'google_chart_' . $count; } $container_id = str_replace('_', '-', $variables['name']); // Create the chart wrapper. $chart = new GoogleChartsChartWrapper(array( 'chartType' => $variables['type'], 'chartName' => $variables['name'], 'containerId' => $container_id, 'options' => $variables['options'], )); // Set the data table. $chart->setDataTable($data); // Incriment the count for unique identifiers. $count++; $output = "
"; $chart->draw(); return $output; } /** * Theme callback for rendering a populated chart wrapper. */ function theme_google_chart_wrapper($variables) { $wrapper = $variables['chart_wrapper']; $output = '
'; if (!empty($variables['data']) && $variables['data'] instanceof GoogleChartsDataTable) { $wrapper->setDataTable($varaibles['data']); } // Draw the chart (initialize javascript). $wrapper->draw(); return $output; } /** * Theme callback for rendering a dashboard. */ function theme_google_dashboard($variables) { // We *must* be passed a data table, though we can perhaps create // a data table from column and row information in the future. if (!$variables['data'] instanceof GoogleChartsDataTable) { return; } $dashboard = $variables['dashboard']; // Bind controls and charts together (if any). $dashboard->bind($variables['controls'], $variables['charts']); $output = '
'; // Add divs for all bound controls. foreach ($dashboard->getContainerIds('controls') as $control_id) { $output .= '
'; } // Add divs for all bound charts. foreach ($dashboard->getContainerIds('charts') as $chart_id) { $output .= '
'; } $output .= '
'; // Draw the data table (initialize javascript). $dashboard->draw($variables['data']); return $output; } /** * Adds Google Chart javascript files and settings. */ function google_charts_add_js($type = NULL, $container = NULL, array $options = array()) { drupal_add_js('https://www.google.com/jsapi', 'external'); drupal_add_js(drupal_get_path('module', 'google_charts') . '/js/google_charts.js'); $settings = array(); if (isset($type) && isset($container)) { $settings['GoogleCharts'][$type][$container] = $options; drupal_add_js($settings, 'setting'); } } /** * Returns an associative array of available column types. */ function google_charts_column_types($type = NULL) { $column_types = array( 'string' => t('String'), 'number' => t('Number'), 'date' => t('Date'), 'datetime' => t('Date/time'), 'timeofday' => t('Time of day'), ); if (isset($type)) { return isset($column_types[$type]) ? $column_types[$type] : FALSE; } return $column_types; } /** * Returns an associative array of available column formats. */ function google_charts_column_formats($format = NULL) { $formats = array( 'ArrowFormat' => t('Arrow'), 'BarFormat' => t('Bar'), 'ColorFormat' => t('Color'), 'DateFormat' => t('Date'), 'NumberFormat' => t('Number'), ); if (isset($format)) { return isset($formats[$format]) ? $formats[$format] : FALSE; } return $formats; } /** * Returns an associaitve array of available column roles. */ function google_charts_column_roles($role = NULL) { $column_roles = array( 'annotation' => t('Annotation'), 'annotationText' => t('Annotation text'), 'certainty' => t('Certainty'), 'emphasis' => t('Emphasis'), 'interval' => t('Interval'), 'scope' => t('Scope'), 'tooltip' => t('Tooltip'), ); if (isset($role)) { return isset($column_roles[$role]) ? $column_roles[$role] : FALSE; } return $column_roles; } /** * Returns an associative array of data types expected by certain roles. */ function google_charts_column_roles_data_types($role = NULL) { $data_types = array( 'annotation' => 'string', 'annotationText' => 'string', 'certainty' => 'boolean', 'emphasis' => 'boolean', 'interval' => 'number', 'scope' => 'boolean', 'tooltip' => 'string', ); if (isset($role)) { return isset($data_types[$role]) ? $data_types[$role] : FALSE; } return $data_types; } /** * Returns an associative array of column modifiers. */ function google_charts_column_modifiers($modifier = NULL) { $modifiers = array( 'month' => t('Month'), 'quarter' => t('Quarter'), 'year' => t('Year'), ); if (isset($modifier)) { return isset($modifiers[$modifier]) ? $modifiers[$modifier] : FALSE; } return $modifiers; } /** * Returns an associative array of data types returned by modifiers. */ function google_charts_column_modifiers_data_types($modifier = NULL) { $data_types = array( 'month' => 'string', 'quarter' => 'string', 'year' => 'number', ); if (isset($modifier)) { return isset($data_types[$modifier]) ? $data_types[$modifier] : FALSE; } return $data_types; } /** * Returns an associative array of column aggregation functions. */ function google_charts_column_aggregation($aggregation = NULL) { $aggregation = array( 'avg' => t('Average'), 'count' => t('Count'), 'min' => t('Minimum'), 'max' => t('Maximum'), 'sum' => t('Sum'), ); if (isset($aggregation)) { return isset($aggregations[$aggregation]) ? $aggregations[$aggregation] : FALSE; } return $aggregations; } /** * Returns an associative array of data types returned by aggregation functions. * @param unknown_type $aggregation */ function google_charts_group_aggregation_data_types($aggregation = NULL) { $data_types = array( 'avg' => 'number', 'count' => 'number', 'min' => array('string', 'number', 'date'), 'max' => array('string', 'number', 'date'), 'sum' => 'number', ); if (isset($aggregation)) { return isset($data_types[$aggregation]) ? $data_types[$aggregation] : FALSE; } return $data_types; }