/**
* Parses uploaded CSV file and saves new data for the chart.
*
* @since 1.0.0
*
* @access public
*/
public function uploadData()
{
// validate nonce
if (!wp_verify_nonce(filter_input(INPUT_GET, 'nonce'))) {
status_header(403);
exit;
}
// check chart, if chart exists
$chart_id = filter_input(INPUT_GET, 'chart', FILTER_VALIDATE_INT);
if (!$chart_id || !($chart = get_post($chart_id)) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER) {
status_header(400);
exit;
}
$source = null;
$render = new Visualizer_Render_Page_Update();
if (filter_input(INPUT_POST, 'remote_data', FILTER_VALIDATE_URL)) {
$source = new Visualizer_Source_Csv_Remote($_POST['remote_data']);
} elseif (isset($_FILES['local_data']) && $_FILES['local_data']['error'] == 0) {
$source = new Visualizer_Source_Csv($_FILES['local_data']['tmp_name']);
} else {
$render->message = esc_html__("CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME);
}
if ($source) {
if ($source->fetch()) {
$chart->post_content = $source->getData();
wp_update_post($chart->to_array());
update_post_meta($chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries());
update_post_meta($chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName());
update_post_meta($chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0);
$render->data = json_encode($source->getRawData());
$render->series = json_encode($source->getSeries());
} else {
$render->message = esc_html__("CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME);
}
}
$render->render();
exit;
}
/**
* Renders appropriate page for chart builder. Creates new auto draft chart
* if no chart has been specified.
*
* @since 1.0.0
*
* @access public
*/
public function renderChartPages()
{
define('IFRAME_REQUEST', 1);
// check chart, if chart not exists, will create new one and redirects to the same page with proper chart id
$chart_id = filter_input(INPUT_GET, 'chart', FILTER_VALIDATE_INT);
if (!$chart_id || !($chart = get_post($chart_id)) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER) {
$default_type = 'line';
$source = new Visualizer_Source_Csv(VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $default_type . '.csv');
$source->fetch();
$chart_id = wp_insert_post(array('post_type' => Visualizer_Plugin::CPT_VISUALIZER, 'post_title' => 'Visualization', 'post_author' => get_current_user_id(), 'post_status' => 'auto-draft', 'post_content' => $source->getData()));
if ($chart_id && !is_wp_error($chart_id)) {
add_post_meta($chart_id, Visualizer_Plugin::CF_CHART_TYPE, $default_type);
add_post_meta($chart_id, Visualizer_Plugin::CF_DEFAULT_DATA, 1);
add_post_meta($chart_id, Visualizer_Plugin::CF_SOURCE, $source->getSourceName());
add_post_meta($chart_id, Visualizer_Plugin::CF_SERIES, $source->getSeries());
add_post_meta($chart_id, Visualizer_Plugin::CF_SETTINGS, array());
}
wp_redirect(add_query_arg('chart', (int) $chart_id));
exit;
}
// enqueue and register scripts and styles
wp_register_style('visualizer-frame', VISUALIZER_ABSURL . 'css/frame.css', array(), Visualizer_Plugin::VERSION);
wp_register_script('visualizer-frame', VISUALIZER_ABSURL . 'js/frame.js', array('jquery'), Visualizer_Plugin::VERSION, true);
wp_register_script('google-jsapi', '//www.google.com/jsapi', array(), null, true);
wp_register_script('visualizer-render', VISUALIZER_ABSURL . 'js/render.js', array('google-jsapi', 'visualizer-frame'), Visualizer_Plugin::VERSION, true);
wp_register_script('visualizer-preview', VISUALIZER_ABSURL . 'js/preview.js', array('wp-color-picker', 'visualizer-render'), Visualizer_Plugin::VERSION, true);
// added by Ash/Upwork
if (defined('Visualizer_Pro')) {
global $Visualizer_Pro;
$Visualizer_Pro->_addScriptsAndStyles();
}
// dispatch pages
$this->_chart = $chart;
switch (filter_input(INPUT_GET, 'tab')) {
case 'data':
$this->_handleDataPage();
break;
case 'settings':
$this->_handleSettingsPage();
break;
case 'type':
default:
$this->_handleTypesPage();
break;
}
exit;
}
