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MDL-17331 choose_from_menu() - backport listbox, multiple and class params

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stronk7
2009-01-17 18:09:38 +00:00
parent 13d2dda5de
commit 86b6811e97
1 changed files with 38 additions and 5 deletions
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lib/weblib.php
+38 -5
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@@ -848,7 +848,6 @@ function close_window($delay=0) {
die;
}
/**
* Given an array of values, output the HTML for a select element with those options.
* Normally, you only need to use the first few parameters.
@@ -867,9 +866,17 @@ function close_window($delay=0) {
* @param int $tabindex if give, sets the tabindex attribute on the <select> element. Default none.
* @param string $id value to use for the id attribute of the <select> element. If none is given,
* then a suitable one is constructed.
* @param mixed $listbox if false, display as a dropdown menu. If true, display as a list box.
* By default, the list box will have a number of rows equal to min(10, count($options)), but if
* $listbox is an integer, that number is used for size instead.
* @param boolean $multiple if true, enable multiple selections, else only 1 item can be selected. Used
* when $listbox display is enabled
* @param string $class value to use for the class attribute of the <select> element. If none is given,
* then a suitable one is constructed.
*/
function choose_from_menu ($options, $name, $selected='', $nothing='choose', $script='',
$nothingvalue='0', $return=false, $disabled=false, $tabindex=0, $id='') {
$nothingvalue='0', $return=false, $disabled=false, $tabindex=0,
$id='', $listbox=false, $multiple=false, $class='') {
if ($nothing == 'choose') {
$nothing = get_string('choose') .'...';
@@ -886,12 +893,36 @@ function choose_from_menu ($options, $name, $selected='', $nothing='choose', $sc
if ($id ==='') {
$id = 'menu'.$name;
// name may contaion [], which would make an invalid id. e.g. numeric question type editing form, assignment quickgrading
// name may contaion [], which would make an invalid id. e.g. numeric question type editing form, assignment quickgrading
$id = str_replace('[', '', $id);
$id = str_replace(']', '', $id);
}
$output = '<select id="'.$id.'" name="'. $name .'" '. $attributes .'>' . "\n";
if ($class ==='') {
$class = 'menu'.$name;
// name may contaion [], which would make an invalid class. e.g. numeric question type editing form, assignment quickgrading
$class = str_replace('[', '', $class);
$class = str_replace(']', '', $class);
}
$class = 'select ' . $class; /// Add 'select' selector always
if ($listbox) {
if (is_integer($listbox)) {
$size = $listbox;
} else {
$numchoices = count($options);
if ($nothing) {
$numchoices += 1;
}
$size = min(10, $numchoices);
}
$attributes .= ' size="' . $size . '"';
if ($multiple) {
$attributes .= ' multiple="multiple"';
}
}
$output = '<select id="'. $id .'" class="'. $class .'" name="'. $name .'" '. $attributes .'>' . "\n";
if ($nothing) {
$output .= ' <option value="'. s($nothingvalue) .'"'. "\n";
if ($nothingvalue === $selected) {
@@ -899,10 +930,12 @@ function choose_from_menu ($options, $name, $selected='', $nothing='choose', $sc
}
$output .= '>'. $nothing .'</option>' . "\n";
}
if (!empty($options)) {
foreach ($options as $value => $label) {
$output .= ' <option value="'. s($value) .'"';
if ((string)$value == (string)$selected) {
if ((string)$value == (string)$selected ||
(is_array($selected) && in_array($value, $selected))) {
$output .= ' selected="selected"';
}
if ($label === '') {