'PieChart');
$options['_curveType'] = array('default' => 'none');
$options['_pieSliceText'] = array('default' => 'value');
$options['_width'] = array('default' => '');
$options['_height'] = array('default' => '');
$options['colors'] = array('default' => '');
$options['_enableInteractivity'] = array('default' => 1);
return $options;
}
function options_form(&$form, &$form_state) {
// Include ctools dependent support
ctools_include('dependent');
parent::options_form($form, $form_state);
$form['type'] = array(
'#type' => 'select',
'#title' => t('Type'),
'#description' => t('Chart type, see Google Chart API documentation.'),
'#options' => views_dataviz_types(),
'#required' => TRUE,
'#default_value' => $this->options['type'],
'#id' => 'dataviz-chart-type',
);
// Google chart options are _prefixed so that they can be autoloaded later
$form['_curveType'] = array(
'#type' => 'select',
'#dependency' => array(
'dataviz-chart-type' => array('LineChart'),
),
'#title' => t('Line smoothing'),
'#description' => t('The angles of the line will be smoothed.'),
'#options' => array(0 => 'none', 'function' => 'function'),
'#default_value' => $this->options['_curveType'],
);
// Google chart options are _prefixed so that they can be autoloaded later
$form['_pieSliceText'] = array(
'#type' => 'select',
'#dependency' => array(
'dataviz-chart-type' => array('PieChart'),
),
'#title' => t('Pie Slice Text'),
'#description' => t('The content of the text displayed on the slice.'),
'#options' => array(
'percentage' => 'percentage',
'value' => 'value',
'label' => 'label',
'none' => 'none',
),
'#default_value' => $this->options['_pieSliceText'],
);
$form['_width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#description' => t('Chart width in pixels. Leave blank for auto width.'),
'#size' => 8,
'#required' => FALSE,
'#default_value' => $this->options['_width'],
);
$form['_height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#description' => t('Chart height in pixels. Leave blank for auto height.'),
'#size' => 8,
'#required' => FALSE,
'#default_value' => $this->options['_height'],
);
$form['colors'] = array(
'#type' => 'textfield',
'#title' => t('Colors'),
'#description' => t('Space separated list of colors to use for the chart elements. Use valid css colors such as red, #00ff00, rgb(200,0,0) etc.'),
'#required' => FALSE,
'#default_value' => $this->options['colors'],
);
$form['_enableInteractivity'] = array(
'#type' => 'checkbox',
'#title' => t('Enable Interactivity'),
'#description' => t('Whether the chart throws user-based events or reacts to user interaction.'),
'#default_value' => $this->options['_enableInteractivity'],
);
}
function render() {
// For some reason render(); gets called twice, we can't allow that
global $views_dataviz_log;
if (empty($views_dataviz_log)) {
drupal_add_js('if (!Boolean(Drupal.settings.Dataviz)) { Drupal.settings.Dataviz = new Object(); } if (!Boolean(Drupal.settings.Dataviz.chart)) { Drupal.settings.Dataviz.chart = new Object();google.load("visualization", "1", {packages:["corechart", "gauge", "orgchart"]}); }', 'inline');
drupal_add_js('https://www.google.com/jsapi', array('type' => 'external', 'weight' => JS_LIBRARY));
drupal_add_js(drupal_get_path('module', 'views_dataviz') . '/js/dataviz-goo-chart.js');
}
if (isset($views_dataviz_log[$this->display->vid][$this->display->id])) {
return;
}
$views_dataviz_log[$this->display->vid][$this->display->id] = TRUE;
$settings = $output = array();
$options = $this->options;
$sets = $this->render_grouping($this->view->result, $this->options['grouping']);
$one = count($sets) == 1;
$set = 0;
$chartArea = new stdClass();
$chartArea->width = '100%';
$chartArea->left = 90;
$chartArea->right = 90;
$chartArea->top = 50;
// dsm($options);
foreach ($sets as $title => $records) {
$chart_id = 'dataviz_ch' . $this->display->vid . '_'. $this->display->id . '_'. $set;
$output[] = '';
$settings['chart'][$chart_id] = array(
'header' => array(),
'rows' => array(array()),
'columns' => array('Sales'),
'chartType' => $options['type'],
'containerId' => $chart_id,
'options' => array(
'forceIFrame' => FALSE,
'titlePosition' => 'in',
'chartArea' => $chartArea,
'title' => $one ? $this->display->display_title : $title,
),
);
foreach ($options as $key => $option) {
if (($option) && ($key{0} == '_')) {
$key = ltrim($key, '_');
$settings['chart'][$chart_id]['options'][$key] = $option;
}
}
if ($options['colors']) {
$colors = explode(' ', $options['colors']);
$settings['chart'][$chart_id]['options']['colors'] = $colors;
}
foreach ($records as $row_index => $row) {
foreach ($this->view->field as $key => $field) {
if (!$field->options['exclude']) {
$field_value = $field->advanced_render($row);
/**
* @todo JurriaanRoelofs
* This probably isn't the best way to determine data/header
*/
if (is_numeric($field_value)) {
$settings['chart'][$chart_id]['rows'][0][] = $field_value ;
} else {
$settings['chart'][$chart_id]['header'][] = $field_value;
}
}
}
}
// Allow modules to alter the chart based on views context.
drupal_alter('views_dataviz', $chart, $this->view->name, $this->display->id);
// Since view expects string output we can't save render array for later.
$set++;
}
$output[] = '';
return implode($output);
}
}