/**
* Creates a div around the javascript code to visualize it.
* Accepts the canvas="xxx" parameter to specify the canvas name. By default it is
* created with id='canvas' (so original uh ;-))
*/
function print_source($attr, $content)
{
extract(shortcode_atts(array('canvas' => 'canvas'), $attr));
$chartId = $canvas;
$field_code = get_post_meta(get_the_ID(), $chartId, true);
$code = "";
$result = "";
if (!empty($field_code)) {
$jsonCode = json_decode($field_code, true);
$code = preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n\\']+/", "\n", $jsonCode['code']);
// remove empty lines
foreach ($jsonCode['includes'] as $include) {
if (substr_compare($include, "js", -strlen("js"), strlen("js")) === 0) {
$result = $result . getJavaScriptInclude($include);
}
if (substr_compare($include, "css", -strlen("css"), strlen("css")) === 0) {
$result = $result . getCssInclude($include);
}
}
} else {
$code = preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n\\']+/", "\n", $content);
// remove empty lines
}
if (containsAutoIdFlag($code)) {
$genChartId = genRandomId();
$code = replaceAutoIdFlag($code, $genChartId);
$chartId = $genChartId;
}
$code = wrapAsFunction($code, $chartId);
$result = $result . '<div class="' . $chartId . '">' . '<script type="text/javascript">' . $code . '</script>' . '</div>';
return $result;
}
function previewContent()
{
$postId = $_REQUEST["postId"];
$editorName = $_REQUEST["editor"];
$val = get_post_custom_keys($postId);
$keys = array();
foreach ($val as $var) {
if (!strcmp($editorName, $var)) {
$content = get_post_custom_values($var, $postId);
break;
}
}
$code = json_decode($content[0], true);
$genChartId = genRandomId();
if (!containsAutoIdFlag($code["code"])) {
$genChartId = $editorName;
}
$includes = $code["includes"];
$code = replaceAutoIdFlag($code["code"], $genChartId);
$result = "";
foreach ($includes as $include) {
if (substr_compare($include, "js", -strlen("js"), strlen("js")) === 0) {
$result = $result . getJavaScriptInclude($include);
}
if (substr_compare($include, "css", -strlen("css"), strlen("css")) === 0) {
$result = $result . getCssInclude($include);
}
}
echo "<html><head>" . getJavaScriptInclude(plugins_url('wp-d3/js/d3.3.5.5.min.js')) . $result . "</head>" . "<body><div class=\"" . $genChartId . "\"\\>" . "<script type=\"text/javascript\">" . $code . "</script>" . "</body></html>";
exit;
}