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<?php
define('CHARTS_SINGLE_AXIS', 'y_only');
define('CHARTS_DUAL_AXIS', 'xy');
\Drupal::moduleHandler()
->loadInclude('charts', 'inc', 'charts.theme');
function charts_info() {
$charts_info = array();
$chart_modules = Drupal::moduleHandler()
->getImplementations('charts_info');
foreach ($chart_modules as $module) {
$module_charts_info = Drupal::moduleHandler()
->invoke($module, 'charts_info');
foreach ($module_charts_info as $chart_library => $chart_library_info) {
$module_charts_info[$chart_library]['module'] = $module;
}
$charts_info = array_merge($charts_info, $module_charts_info);
}
Drupal::moduleHandler()
->alter('charts_info', $charts_info);
return $charts_info;
}
function charts_type_info() {
$charts_type_info = Drupal::moduleHandler()
->invokeAll('charts_type_info');
foreach ($charts_type_info as $chart_type => $chart_type_info) {
$charts_type_info[$chart_type] += array(
'label' => '',
'axis' => CHARTS_DUAL_AXIS,
'axis_inverted' => FALSE,
'stacking' => FALSE,
);
}
Drupal::moduleHandler()
->alter('charts_type_info', $charts_type_info);
return $charts_type_info;
}
function charts_get_type($chart_type) {
$types = charts_type_info();
return $types[$chart_type] ? $types[$chart_type] : FALSE;
}
function charts_charts_type_info() {
$chart_types['pie'] = array(
'label' => t('Pie'),
'axis' => CHARTS_SINGLE_AXIS,
);
$chart_types['bar'] = array(
'label' => t('Bar'),
'axis' => CHARTS_DUAL_AXIS,
'axis_inverted' => TRUE,
'stacking' => TRUE,
);
$chart_types['column'] = array(
'label' => t('Column'),
'axis' => CHARTS_DUAL_AXIS,
'stacking' => TRUE,
);
$chart_types['line'] = array(
'label' => t('Line'),
'axis' => CHARTS_DUAL_AXIS,
);
$chart_types['area'] = array(
'label' => t('Area'),
'axis' => CHARTS_DUAL_AXIS,
'stacking' => TRUE,
);
$chart_types['scatter'] = array(
'label' => t('Scatter'),
'axis' => CHARTS_DUAL_AXIS,
);
return $chart_types;
}
function charts_default_colors() {
return array(
'#2f7ed8',
'#0d233a',
'#8bbc21',
'#910000',
'#1aadce',
'#492970',
'#f28f43',
'#77a1e5',
'#c42525',
'#a6c96a',
);
}
function charts_trim_array(&$array) {
foreach ($array as $key => &$value) {
if (is_array($value)) {
charts_trim_array($value);
}
elseif (is_null($value) || is_array($value) && count($value) === 0) {
unset($array[$key]);
}
}
}
function charts_cast_element_integer_values(&$element) {
$integer_options = array(
'#title_font_size',
'#font_size',
'#legend_title_font_size',
'#legend_font_size',
'#width',
'#height',
'#title_font_size',
'#labels_font_size',
'#labels_rotation',
'#max',
'#min',
'#decimal_count',
);
foreach ($element as $property_name => $value) {
if (is_array($element[$property_name])) {
charts_cast_element_integer_values($element[$property_name]);
}
elseif ($property_name && in_array($property_name, $integer_options)) {
$element[$property_name] = is_null($element[$property_name]) || strlen($element[$property_name]) === 0 ? NULL : (int) $element[$property_name];
}
}
}
function charts_settings_form($form, $defaults = array(), $field_options = array(), $parents = array()) {
$options = array_merge(charts_default_settings(), $defaults);
$form['#attached']['library'][] = array(
'charts',
'charts.admin',
);
$charts_info = charts_info();
$library_options = array();
foreach ($charts_info as $library_name => $library_info) {
$library_options[$library_name] = $library_info['label'];
}
$form['library'] = array(
'#title' => t('Charting library'),
'#type' => 'select',
'#options' => $library_options,
'#default_value' => $options['library'],
'#required' => TRUE,
'#access' => count($library_options) > 1,
'#attributes' => array(
'class' => array(
'chart-library-select',
),
),
'#weight' => -15,
'#parents' => array_merge($parents, array(
'library',
)),
);
$chart_types = charts_type_info();
$type_options = array();
foreach ($chart_types as $chart_type => $chart_type_info) {
$type_options[$chart_type] = $chart_type_info['label'];
}
$form['type'] = array(
'#title' => t('Chart type'),
'#type' => 'radios',
'#default_value' => $options['type'],
'#options' => $type_options,
'#required' => TRUE,
'#weight' => -20,
'#attributes' => array(
'class' => array(
'chart-type-radios',
'container-inline',
),
),
'#parents' => array_merge($parents, array(
'type',
)),
);
foreach ($chart_types as $chart_type => $chart_type_info) {
if ($chart_type_info['axis_inverted']) {
$form['type'][$chart_type]['#attributes']['data-axis-inverted'] = TRUE;
}
if ($chart_type_info['axis'] === CHARTS_SINGLE_AXIS) {
$form['type'][$chart_type]['#attributes']['data-axis-single'] = TRUE;
}
}
if ($field_options) {
$first_field = key($field_options);
$form['#theme'] = 'charts_settings_fields';
$form['fields'] = array(
'#title' => t('Charts fields'),
'#type' => 'fieldset',
);
$form['fields']['label_field'] = array(
'#type' => 'radios',
'#title' => t('Label field'),
'#options' => $field_options + array(
'' => t('No label field'),
),
'#default_value' => isset($options['label_field']) ? $options['label_field'] : $first_field,
'#weight' => -10,
'#parents' => array_merge($parents, array(
'label_field',
)),
);
$form['fields']['table'] = array(
'#type' => 'table',
'#header' => array(
t('Field Name'),
t('Provides Data'),
t('Color'),
),
'#tabledrag' => TRUE,
);
$field_count = 0;
foreach ($field_options as $field_name => $field_label) {
$form['fields']['table'][$field_count]['label_label'] = array(
'#type' => 'label',
'#title' => $field_label,
'#column' => 'one',
);
$form['fields']['table'][$field_count]['data_fields'][$field_name] = array(
'#type' => 'checkbox',
'#title' => $field_name,
'#default_value' => $options['data_fields'][$field_name],
'#return_value' => $field_name,
'#weight' => -9,
'#states' => array(
'disabled' => array(
':input[name="style_options[label_field]"]' => array(
'value' => $field_name,
),
),
),
'#parents' => array_merge($parents, array(
'data_fields',
$field_name,
)),
'#column' => 'two',
);
$form['fields']['table'][$field_count]['field_colors'][$field_name] = array(
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'color',
),
'#size' => 10,
'#maxlength' => 7,
'#theme_wrappers' => array(),
'#default_value' => !empty($options['field_colors'][$field_name]) ? $options['field_colors'][$field_name] : $options['colors'][$field_count],
'#parents' => array_merge($parents, array(
'field_colors',
$field_name,
)),
'#column' => 'three',
);
$field_count++;
}
}
$form['display'] = array(
'#title' => t('Display'),
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['display']['title'] = array(
'#title' => t('Chart title'),
'#type' => 'textfield',
'#default_value' => $options['title'],
'#parents' => array_merge($parents, array(
'title',
)),
);
$form['display']['title_position'] = array(
'#title' => t('Title position'),
'#type' => 'select',
'#options' => array(
'' => t('None'),
'out' => t('Outside'),
'in' => t('Inside'),
),
'#default_value' => $options['title_position'],
'#parents' => array_merge($parents, array(
'title_position',
)),
);
$form['display']['tooltips'] = array(
'#title' => t('Tooltips'),
'#type' => 'select',
'#options' => array(
'' => t('Disabled'),
'TRUE' => t('Enabled'),
),
'#description' => t('Show data details on mouse over? Note: unavailable for print or on mobile devices.'),
'#default_value' => $options['tooltips'],
'#parents' => array_merge($parents, array(
'tooltips',
)),
);
$form['display']['data_labels'] = array(
'#title' => t('Data labels'),
'#type' => 'select',
'#options' => array(
'' => t('Disabled'),
'TRUE' => t('Enabled'),
),
'#default_value' => $options['data_labels'],
'#description' => t('Show data details as labels on chart? Note: recommended for print or on mobile devices.'),
'#parents' => array_merge($parents, array(
'data_labels',
)),
);
$form['display']['legend_position'] = array(
'#title' => t('Legend position'),
'#type' => 'select',
'#options' => array(
'' => t('None'),
'top' => t('Top'),
'right' => t('Right'),
'bottom' => t('Bottom'),
'left' => t('Left'),
),
'#default_value' => $options['legend_position'],
'#parents' => array_merge($parents, array(
'legend_position',
)),
);
$form['display']['background'] = array(
'#title' => t('Background color'),
'#type' => 'textfield',
'#size' => 10,
'#maxlength' => 7,
'#attributes' => array(
'placeholder' => t('transparent'),
),
'#description' => t('Leave blank for a transparent background.'),
'#default_value' => $options['background'],
'#parents' => array_merge($parents, array(
'background',
)),
);
$form['display']['dimensions'] = array(
'#title' => t('Dimensions'),
'#theme_wrappers' => array(
'form_element',
),
'#description' => t('If dimensions are left empty, the chart will fill its containing element.'),
);
$form['display']['dimensions']['width'] = array(
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'number',
'step' => 1,
'min' => 0,
'max' => 9999,
'placeholder' => t('auto'),
),
'#default_value' => $options['width'],
'#size' => 8,
'#suffix' => ' x ',
'#theme_wrappers' => array(),
'#parents' => array_merge($parents, array(
'width',
)),
);
$form['display']['dimensions']['height'] = array(
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'number',
'step' => 1,
'min' => 0,
'max' => 9999,
'placeholder' => t('auto'),
),
'#default_value' => $options['height'],
'#size' => 8,
'#suffix' => ' px',
'#theme_wrappers' => array(),
'#parents' => array_merge($parents, array(
'height',
)),
);
$form['xaxis'] = array(
'#title' => t('Horizontal axis'),
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#attributes' => array(
'class' => array(
'chart-xaxis',
),
),
);
$form['xaxis']['title'] = array(
'#title' => t('Custom title'),
'#type' => 'textfield',
'#default_value' => $options['xaxis_title'],
'#parents' => array_merge($parents, array(
'xaxis_title',
)),
);
$form['xaxis']['labels_rotation'] = array(
'#title' => t('Labels rotation'),
'#type' => 'select',
'#options' => array(
0 => t('0°'),
30 => t('30°'),
45 => t('45°'),
60 => t('60°'),
90 => t('90°'),
),
'#attributes' => array(
'class' => array(
'axis-inverted-hide',
),
),
'#default_value' => $options['xaxis_labels_rotation'],
'#parents' => array_merge($parents, array(
'xaxis_labels_rotation',
)),
);
$form['yaxis'] = array(
'#title' => t('Vertical axis'),
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#attributes' => array(
'class' => array(
'chart-yaxis',
),
),
);
$form['yaxis']['title'] = array(
'#title' => t('Custom title'),
'#type' => 'textfield',
'#default_value' => $options['yaxis_title'],
'#parents' => array_merge($parents, array(
'yaxis_title',
)),
);
$form['yaxis']['minmax'] = array(
'#title' => t('Value range'),
'#theme_wrappers' => array(
'form_element',
),
);
$form['yaxis']['minmax']['min'] = array(
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'number',
'max' => 999999,
'placeholder' => t('Minimum'),
),
'#default_value' => $options['yaxis_min'],
'#size' => 12,
'#parents' => array_merge($parents, array(
'yaxis_min',
)),
'#suffix' => ' ',
'#theme_wrappers' => array(),
);
$form['yaxis']['minmax']['max'] = array(
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'number',
'max' => 999999,
'placeholder' => t('Maximum'),
),
'#default_value' => $options['yaxis_max'],
'#size' => 12,
'#parents' => array_merge($parents, array(
'yaxis_max',
)),
'#theme_wrappers' => array(),
);
$form['yaxis']['prefix'] = array(
'#title' => t('Value prefix'),
'#type' => 'textfield',
'#default_value' => $options['yaxis_prefix'],
'#size' => 12,
'#parents' => array_merge($parents, array(
'yaxis_prefix',
)),
);
$form['yaxis']['suffix'] = array(
'#title' => t('Value suffix'),
'#type' => 'textfield',
'#default_value' => $options['yaxis_suffix'],
'#size' => 12,
'#parents' => array_merge($parents, array(
'yaxis_suffix',
)),
);
$form['yaxis']['decimal_count'] = array(
'#title' => t('Decimal count'),
'#type' => 'textfield',
'#attributes' => array(
'TYPE' => 'number',
'step' => 1,
'min' => 0,
'max' => 20,
'placeholder' => t('auto'),
),
'#default_value' => $options['yaxis_decimal_count'],
'#size' => 5,
'#description' => t('Enforce a certain number of decimal-place digits in displayed values.'),
'#parents' => array_merge($parents, array(
'yaxis_decimal_count',
)),
);
$form['yaxis']['labels_rotation'] = array(
'#title' => t('Labels rotation'),
'#type' => 'select',
'#options' => array(
0 => t('0°'),
30 => t('30°'),
45 => t('45°'),
60 => t('60°'),
90 => t('90°'),
),
'#attributes' => array(
'class' => array(
'axis-inverted-show',
),
),
'#default_value' => $options['yaxis_labels_rotation'],
'#parents' => array_merge($parents, array(
'yaxis_labels_rotation',
)),
);
return $form;
}
function charts_default_settings_form($form, $form_state) {
$defaults = \Drupal::state()
->get('charts_default_settings', array());
$defaults += charts_default_settings();
$field_options = array();
$parents = array(
'charts_default_settings',
);
$form['help'] = array(
'#type' => 'markup',
'#markup' => '<p>' . t('The settings on this page are used to set <strong>default</strong> settings. They do not affect existing charts. To make a new chart, <a href="!views">create a new view</a> and select the display format of "Chart".', array(
'!views' => url('admin/structure/views/add'),
)) . '</p>',
'#weight' => -100,
);
$form = charts_settings_form($form, $defaults, $field_options, $parents);
$form['xaxis']['#attributes']['class'] = array();
$form['yaxis']['#attributes']['class'] = array();
$form['display']['colors']['#prefix'] = NULL;
$form['display']['colors']['#suffix'] = NULL;
$form['display']['#group'] = 'defaults';
$form['xaxis']['#group'] = 'defaults';
$form['yaxis']['#group'] = 'defaults';
$form['defaults'] = array(
'#type' => 'vertical_tabs',
);
$form['actions']['#type'] = 'actions';
$form['actions']['submit'] = array(
'#type' => 'submit',
'#value' => t('Save defaults'),
);
return $form;
}
function charts_default_settings_form_submit($form, $form_state) {
\Drupal::state()
->set('charts_default_settings', $form_state['values']['charts_default_settings']);
}
function charts_default_settings() {
$defaults = array();
$defaults['type'] = 'pie';
$defaults['library'] = NULL;
$defaults['label_field'] = NULL;
$defaults['data_fields'] = NULL;
$defaults['field_colors'] = NULL;
$defaults['title'] = '';
$defaults['title_position'] = 'out';
$defaults['data_labels'] = FALSE;
$defaults['legend'] = TRUE;
$defaults['legend_position'] = 'right';
$defaults['colors'] = charts_default_colors();
$defaults['background'] = '';
$defaults['tooltips'] = TRUE;
$defaults['tooltips_use_html'] = FALSE;
$defaults['width'] = NULL;
$defaults['height'] = NULL;
$defaults['xaxis_title'] = '';
$defaults['xaxis_labels_rotation'] = 0;
$defaults['yaxis_title'] = '';
$defaults['yaxis_min'] = '';
$defaults['yaxis_max'] = '';
$defaults['yaxis_prefix'] = '';
$defaults['yaxis_suffix'] = '';
$defaults['yaxis_decimal_count'] = '';
$defaults['yaxis_labels_rotation'] = 0;
\Drupal::moduleHandler()
->alter('charts_default_settings', $defaults);
return $defaults;
}