/**
* This does two things:
* -dynamically creates html form based on parameters (author and menutype)
* -rebuilds command which is then sent as the bibtex command
*
* @param unknown $options The arguments
* @return multitype:string The output of the bibfilter shortcode
*/
function bibfilter($options)
{
// create form with custom types and authors
global $post;
$selected_author = false;
$selected_type = false;
$original_authors = Papercite::array_get($options, "author", "");
$original_allow = Papercite::array_get($options, "allow", "");
if (isset($_POST) && papercite::array_get($_POST, "papercite_post_id", 0) == $post->ID) {
if (isset($_POST["papercite_author"]) && !empty($_POST["papercite_author"])) {
$selected_author = $options["author"] = $_POST["papercite_author"];
}
if (isset($_POST["papercite_allow"]) && !empty($_POST["papercite_allow"])) {
$selected_type = $options["allow"] = $_POST["papercite_allow"];
}
}
$result = $this->getEntries($options);
ob_start();
?>
<form method="post" accept-charset="UTF-8">
<input type="hidden" name="papercite_post_id" value="<?php
echo $post->ID;
?>
">
<table style="border-top: solid 1px #eee; border-bottom: solid 1px #eee; width: 100%">
<tr>
<td>Authors:</td>
<td><select name="papercite_author" id="papercite_author">
<option value="">ALL</option>
<?php
$authors = preg_split("#\\s*\\|\\s*#", $original_authors);
if (Papercite::array_get($options, "sortauthors", 0)) {
sort($authors);
}
foreach ($authors as $author) {
print "<option value=\"" . htmlentities($author, ENT_QUOTES, "UTF-8") . "\"";
if ($selected_author == $author) {
print " selected=\"selected\"";
}
print ">{$author}</option>";
}
?>
</select></td>
<td>Type:</td>
<td><select name="papercite_allow" id="papercite_type">
<option value="">ALL</option>
<?php
$types = preg_split("#\\s*,\\s*#", $original_allow);
foreach ($types as $type) {
print "<option value=\"" . htmlentities($type, ENT_QUOTES, "UTF-8") . "\"";
if ($selected_type == $type) {
print " selected=\"selected\"";
}
print ">" . papercite_bibtype2string($type) . "</option>";
}
?>
</select></td>
<td><input type="submit" value="Filter" /></td>
</tr>
</table>
</form>
<?php
return ob_get_clean() . $this->showEntries($result, $options, $this->getBib2TplOptions($options), false, $options["bibtex_template"], $options["format"], "bibtex");
}