/**
* Renders a basic HTML <textarea> element.
*
* @param array $element The element to render
* @param Pieform $form The form to render the element for
* @return string The HTML for the element
*/
function pieform_element_textarea(Pieform $form, $element)
{
/*{{{*/
global $_PIEFORM_TEXTAREAS;
$rows = $cols = $style = '';
if (isset($element['height'])) {
$style .= 'height:' . $element['height'] . ';';
$rows = intval($element['height'] > 0) ? ceil(intval($element['height']) / 10) : 1;
} elseif (isset($element['rows'])) {
$rows = $element['rows'];
} else {
Pieform::info('No value for rows or height specified for textarea "' . $element['name'] . '"');
}
if (isset($element['width'])) {
$style .= 'width:' . $element['width'] . ';';
$cols = intval($element['width'] > 0) ? ceil(intval($element['width']) / 10) : 1;
} elseif (isset($element['cols'])) {
$cols = $element['cols'];
} else {
Pieform::info('No value for cols or width specified for textarea "' . $element['name'] . '"');
}
$element['style'] = isset($element['style']) ? $style . $element['style'] : $style;
$fullwidth = !empty($element['fullwidth']) ? 'true' : 'false';
if (!empty($element['resizable'])) {
$element['class'] = isset($element['class']) && $element['class'] ? $element['class'] . ' resizable' : 'resizable';
$_PIEFORM_TEXTAREAS[] = array('formname' => $form->get_name(), 'elementname' => $form->get_name() . '_' . $element['id'], 'fullwidth' => $fullwidth);
}
return '<textarea' . ($rows ? ' rows="' . $rows . '"' : '') . ($cols ? ' cols="' . $cols . '"' : '') . $form->element_attributes($element, array('maxlength', 'size')) . '>' . Pieform::hsc($form->get_value($element)) . '</textarea>';
}
/**
* Extension by Mahara. This api function returns the javascript required to
* set up the element, assuming the element has been placed in the page using
* javascript. This feature is used in the views interface.
*
* In theory, this could go upstream to pieforms itself
*
* @param Pieform $form The form
* @param array $element The element
*/
function pieform_element_tinywysiwyg_views_js(Pieform $form, $element)
{
if (is_html_editor_enabled()) {
$formname = json_encode($form->get_name());
$editor = json_encode($form->get_name() . '_' . $element['name']);
return "\ntinyMCE.idCounter=0;" . "\ntinyMCE.execCommand('mceAddEditor', false, {$editor});" . "\nPieformManager.connect('onsubmit', {$formname}, tinyMCE.triggerSave);" . "\nPieformManager.connect('onreply', {$formname}, function () {" . "\n tinyMCE.execCommand('mceRemoveEditor', false, {$editor});" . "});";
}
return '';
}
/**
* Extension by Mahara. This api function returns the javascript required to
* set up the element, assuming the element has been placed in the page using
* javascript. This feature is used in the views interface.
*
* In theory, this could go upstream to pieforms itself
*
* @param Pieform $form The form
* @param array $element The element
*/
function pieform_element_tinywysiwyg_views_js(Pieform $form, $element)
{
global $USER;
if ($USER->get_account_preference('wysiwyg') || defined('PUBLIC')) {
$formname = json_encode($form->get_name());
$editor = json_encode($form->get_name() . '_' . $element['name']);
return "\ntinyMCE.idCounter=0;tinyMCE.execCommand('mceAddControl', true, {$editor});PieformManager.connect('onsubmit', {$formname}, tinyMCE.triggerSave);";
}
return '';
}
/**
* Renders form elements inside a <table>.
*
* @param Pieform $form The form the element is being rendered for
* @param array $element The element to be rendered
* @return string The element rendered inside an appropriate container
*/
function pieform_renderer_table(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
if ($element['type'] == 'fieldset') {
// Add table tags to the build element, to preserve HTML compliance
$builtelement = $element['html'];
if (0 === strpos($builtelement, "\n<fieldset")) {
$closelegendpos = strpos($builtelement, '</legend>');
if ($closelegendpos !== false) {
$closelegendpos += 9;
$builtelement = substr($builtelement, 0, $closelegendpos) . '<table><tbody>' . substr($builtelement, $closelegendpos);
} else {
$pos = strpos($builtelement, '>') + 1;
$builtelement = substr($builtelement, 0, $pos) . '<table><tbody>' . substr($builtelement, $pos);
}
} else {
$builtelement = substr($builtelement, 0, 11) . '<table><tbody>' . substr($builtelement, 11);
}
$builtelement = substr($builtelement, 0, -12) . '</tbody></table></fieldset>';
$result = "\t<tr>\n\t\t<td colspan=\"2\">";
$result .= $builtelement;
$result .= "</td>\n\t</tr>";
return $result;
}
$result = "\t<tr";
$result .= ' id="' . $formname . '_' . $element['name'] . '_container"';
// Set the class of the enclosing <tr> to match that of the element
if (!empty($element['class'])) {
$result .= ' class="' . $element['class'] . '"';
}
$result .= ">\n\t\t";
$result .= '<th>';
if (isset($element['labelhtml'])) {
$result .= $element['labelhtml'];
}
$result .= "</th>\n\t\t<td>";
$result .= $element['html'];
if (isset($element['helphtml'])) {
$result .= ' ' . $element['helphtml'];
}
$result .= "</td>\n\t</tr>\n";
// Description - optional description of the element, or other note that should be visible
// on the form itself (without the user having to hover over contextual help
if ((!$form->has_errors() || $form->get_property('showdescriptiononerror')) && !empty($element['description'])) {
if ($form->get_property('descriptionintwocells')) {
$result .= "\t<tr>\n\t\t<td></td><td class=\"description\">";
} else {
$result .= "\t<tr>\n\t\t<td colspan=\"2\" class=\"description\">";
}
$result .= $element['description'];
$result .= "</td>\n\t</tr>\n";
}
if (!empty($element['error'])) {
$result .= "\t<tr>\n\t\t<td colspan=\"2\" class=\"errmsg\">";
$result .= $element['error'];
$result .= "</td>\n\t</tr>\n";
}
return $result;
}
/**
* Renders form elements all on one line.
*
* @param Pieform $form The form the element is being rendered for
* @param array $element The element that is being rendered
* @return string The element rendered inside an appropriate container
*/
function pieform_renderer_oneline(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
// Set the class of the enclosing <div> to match that of the element
$result = '<span';
if (isset($element['name'])) {
$result .= ' id="' . $formname . '_' . $element['name'] . '_container"';
}
if (!empty($element['class'])) {
$result .= ' class="' . $element['class'] . '"';
}
$result .= '>';
if (isset($element['title']) && $element['title'] !== '' && $element['type'] != 'fieldset') {
if (!empty($element['nolabel'])) {
// Don't bother with a label for the element
$result .= Pieform::hsc($element['title']);
} else {
$result .= '<label for="' . $element['id'] . '">' . Pieform::hsc($element['title']) . '</label>';
}
if ($form->get_property('requiredmarker') && !empty($element['rules']['required'])) {
$result .= ' <span class="requiredmarker">*</span>';
}
}
$result .= $element['html'];
$result .= "</span>";
return $result;
}
/**
* Provides a duration chooser, with a text box for a number and a
* select box to choose the units, in days, weeks, months, years, or 'no end date'.
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_expiry(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
$result = '';
$name = $element['name'];
if (!isset($element['defaultvalue'])) {
$element['defaultvalue'] = null;
}
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
// Get the value of the element for rendering.
if (isset($element['value'])) {
$seconds = $element['value'];
$values = pieform_element_expiry_get_expiry_from_seconds($element['value']);
} else {
if (isset($global[$element['name']]) && isset($global[$element['name'] . '_units'])) {
$values = array('number' => $global[$element['name']], 'units' => $global[$element['name'] . '_units']);
$seconds = $values['number'] * pieform_element_expiry_seconds_in($values['units']);
} else {
if (isset($element['defaultvalue'])) {
$seconds = $element['defaultvalue'];
$values = pieform_element_expiry_get_expiry_from_seconds($seconds);
} else {
$values = array('number' => '', 'units' => 'noenddate');
$seconds = null;
}
}
}
// @todo probably create with an actual input element, as tabindex doesn't work here for one thing
// Same with the select. And do the events using mochikit signal instead of dom events
$numberinput = '<input';
$numberinput .= $values['units'] == 'noenddate' && empty($element['rules']['required']) ? ' disabled="disabled"' : '';
$numberinput .= ' type="text" size="4" name="' . $name . '"';
$numberinput .= ' id="' . $formname . '_' . $name . '" value="' . $values['number'] . '" tabindex="' . $element['tabindex'] . '"';
$numberinput .= (isset($element['error']) ? ' class="error"' : '') . ">\n";
$uselect = '<select onchange="' . $name . '_change()" ';
$uselect .= 'name="' . $name . '_units" id="' . $formname . '_' . $name . '_units"' . ' tabindex="' . $element['tabindex'] . "\">\n";
foreach (pieform_element_expire_get_expiry_units() as $u) {
// Don't allow 'no end date' if the element is required
if ($u == 'noenddate' && !empty($element['rules']['required'])) {
continue;
}
$uselect .= "\t<option value=\"{$u}\"" . ($values['units'] == $u ? ' selected="selected"' : '') . '>' . $form->i18n('element', 'expiry', $u, $element) . "</option>\n";
}
$uselect .= "</select>\n";
// Make sure the input is disabled if "no end date" is selected
$script = <<<EOJS
<script type="text/javascript" language="javascript">
function {$name}_change() {
if (\$('{$formname}_{$name}_units').value == 'noenddate') {
\$('{$formname}_{$name}').disabled = true;
}
else {
\$('{$formname}_{$name}').disabled = false;
}
}
</script>
EOJS;
return $numberinput . $uselect . $script;
}
/**
* Provides a javascript calendar for inputting a date.
*
* General documentation about the calendar is available at
* http://www.dynarch.com/static/jscalendar-1.0/doc/html/reference.html
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_calendar(Pieform $form, $element)
{
/*{{{*/
$id = $form->get_name() . '_' . $element['name'];
$value = $form->get_value($element);
if ($value) {
$value = Pieform::hsc(strftime($element['caloptions']['ifFormat'], $value));
}
// Build the HTML
$result = '<input type="text"' . $form->element_attributes($element) . ' value="' . $value . '">';
if (isset($element['imagefile'])) {
$result .= '<a href="" id="' . $id . '_btn" onclick="return false;" class="pieform-calendar-toggle"' . ' tabindex="' . $element['tabindex'] . '">' . '<img src="' . $element['imagefile'] . '" alt=""></a>';
} else {
$result .= '<input type="button" id="' . $id . '_btn" onclick="return false;" class="pieform-calendar-toggle"' . ' value="..." tabindex="' . $element['tabindex'] . '">';
}
// Build the configuring javascript
$options = array_merge($element['caloptions'], array('inputField' => $id, 'button' => $id . '_btn'));
$encodedoptions = json_encode($options);
// Some options are callbacks and need their quoting removed
foreach (array('dateStatusFunc', 'flatCallback', 'onSelect', 'onClose', 'onUpdate') as $function) {
$encodedoptions = preg_replace('/("' . $function . '"):"([a-zA-Z0-9$]+)"/', '\\1:\\2', $encodedoptions);
}
$result .= '<script type="text/javascript">Calendar.setup(' . $encodedoptions . ');</script>';
return $result;
}
/**
* Renders a set of radio buttons for a form
*
* @param array $element The element to render
* @param Pieform $form The form to render the element for
* @return string The HTML for the element
*/
function pieform_element_radio(Pieform $form, $element)
{
/*{{{*/
if (!isset($element['options']) || !is_array($element['options']) || count($element['options']) < 1) {
throw new PieformException('Radio elements should have at least one option');
}
$result = '';
$form_value = $form->get_value($element);
$id = $element['id'];
$separator = "\n";
if (isset($element['separator'])) {
$separator = $element['separator'] . $separator;
}
foreach ($element['options'] as $value => $data) {
$uid = $id . substr(md5(microtime()), 0, 4);
$element['id'] = $uid;
if (is_array($data)) {
$text = $data['text'];
$description = isset($data['description']) ? $data['description'] : '';
} else {
$text = $data;
$description = '';
}
$result .= '<input type="radio"' . $form->element_attributes($element) . ' value="' . Pieform::hsc($value) . '"' . ($form_value == $value ? ' checked="checked"' : '') . '> <label for="' . $form->get_name() . '_' . $uid . '">' . Pieform::hsc($text) . "</label>" . ($description != '' ? '<div class="radio-description">' . $description . '</div>' : '') . $separator;
}
$result = substr($result, 0, -strlen($separator));
return $result;
}
/**
* Renders form elements all on one line.
*
* @param Pieform $form The form the element is being rendered for
* @param array $element The element that is being rendered
* @return string The element rendered inside an appropriate container
*/
function pieform_renderer_oneline(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
// Set the class of the enclosing <div> to match that of the element
$result = '<span';
if (isset($element['name'])) {
$result .= ' id="' . $formname . '_' . Pieform::hsc($element['name']) . '_container"';
}
if (!empty($element['class'])) {
$result .= ' class="' . Pieform::hsc($element['class']) . '"';
}
$result .= '>';
if (isset($element['labelhtml'])) {
$result .= $element['labelhtml'];
}
if (isset($element['prehtml'])) {
$result .= '<span class="prehtml">' . $element['prehtml'] . '</span>';
}
$result .= $element['html'];
if (isset($element['posthtml'])) {
$result .= '<span class="posthtml">' . $element['posthtml'] . '</span>';
}
$result .= "</span>";
return $result;
}
function pieform_element_captcha_get_value(Pieform $form, $element)
{
global $SESSION;
$name = $element['name'];
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
return isset($global[$name]) && strtolower($global[$name]) == strtolower($SESSION->get($form->get_name() . '_' . $name));
}
/**
* Provides a tag input field
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_tags(Pieform $form, $element)
{
$smarty = smarty();
$value = array();
if (isset($element['defaultvalue']) && is_array($element['defaultvalue'])) {
$value = $element['defaultvalue'];
}
if ($form->get_value($element)) {
$value = $form->get_value($element);
}
if (isset($element['value']) && is_array($element['value'])) {
$value = $element['value'];
}
if (!is_array($value)) {
$value = array();
}
if (!isset($element['size'])) {
$element['size'] = 60;
}
$smarty->assign('name', $element['name']);
$smarty->assign('size', $element['size']);
$smarty->assign('id', $form->get_name() . '_' . $element['id']);
$smarty->assign('value', join(', ', $value));
$smarty->left_delimiter = '{{';
$smarty->right_delimiter = '}}';
return $smarty->fetch('form/tags.tpl');
}
/**
* Renders form elements all on one line.
*
* @param Pieform $form The form the element is being rendered for
* @param array $element The element that is being rendered
* @return string The element rendered inside an appropriate container
*/
function pieform_renderer_oneline(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
// Set the class of the enclosing <div> to match that of the element
$result = '<span';
if (isset($element['name'])) {
$result .= ' id="' . $formname . '_' . Pieform::hsc($element['name']) . '_container"';
}
if (!empty($element['class'])) {
// add form-group classes to all real form fields
if (strpos($element['class'], 'html') === false) {
// $element['class'] = $element['class'] . ' form-group-inline';
$element['class'] = 'form-group-inline';
}
// add bootstrap has-error class to any error fields
if (strpos($element['class'], 'error') !== false) {
$element['class'] = $element['class'] . ' has-error';
}
$result .= ' class="' . Pieform::hsc($element['class']) . '"';
}
$result .= '>';
if (isset($element['labelhtml'])) {
$result .= $element['labelhtml'];
}
if (isset($element['prehtml'])) {
$result .= '<span class="prehtml">' . $element['prehtml'] . '</span>';
}
$result .= $element['html'];
if (isset($element['posthtml'])) {
$result .= '<span class="posthtml">' . $element['posthtml'] . '</span>';
}
$result .= "</span>";
return $result;
}
/**
* Renders form elements inside <div>s.
*
* @param Pieform $form The form the element is being rendered for
* @param array $element The element to be rendered
* @return string The element rendered inside an appropriate container
*/
function pieform_renderer_div(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
// Set the class of the enclosing <div> to match that of the element
$result = '<div';
if (isset($element['name'])) {
$result .= ' id="' . $formname . '_' . $element['name'] . '_container"';
}
if (!empty($element['class'])) {
$result .= ' class="' . $element['class'] . '"';
}
$result .= '>';
if (isset($element['labelhtml'])) {
$result .= $element['labelhtml'];
}
//$result .= $builtelement;
$result .= $element['html'];
if (isset($element['helphtml'])) {
$result .= ' ' . $element['helphtml'];
}
// Description - optional description of the element, or other note that should be visible
// on the form itself (without the user having to hover over contextual help
if ((!$form->has_errors() || $form->get_property('showdescriptiononerror')) && !empty($element['description'])) {
$result .= '<div class="description"> ' . Pieform::hsc($element['description']) . "</div>";
}
if (!empty($element['error'])) {
$result .= '<div class="errmsg">' . Pieform::hsc($element['error']) . '</div>';
}
$result .= "</div>\n";
return $result;
}
/**
* Renders a fieldset. Fieldsets contain other elements, and do not count as a
* "true" element, in that they do not have a value and cannot be validated.
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_fieldset(Pieform $form, $element)
{
/*{{{*/
global $_PIEFORM_FIELDSETS;
$result = "\n<fieldset";
if (!empty($element['collapsible']) || !empty($element['class'])) {
if (!isset($element['legend']) || $element['legend'] === '') {
Pieform::info('Collapsible fieldsets should have a legend so they can be toggled');
}
$classes = array('collapsible');
$formname = $form->get_name();
if (!isset($_PIEFORM_FIELDSETS['forms'][$formname])) {
$_PIEFORM_FIELDSETS['forms'][$formname] = array('formname' => $formname);
}
// Work out whether any of the children have errors on them
$error = false;
foreach ($element['elements'] as $subelement) {
if (isset($subelement['error'])) {
$error = true;
break;
}
}
if (!empty($element['collapsed']) && !$error) {
$classes[] = 'collapsed';
}
if (!empty($element['class'])) {
$classes[] = Pieform::hsc($element['class']);
}
$result .= ' class="' . implode(' ', $classes) . '"';
}
$result .= ">\n";
if (isset($element['legend'])) {
$result .= '<legend>';
if (!empty($element['collapsible'])) {
$result .= '<a href="">' . Pieform::hsc($element['legend']) . '</a>';
} else {
$result .= Pieform::hsc($element['legend']);
}
// Help icon
if (!empty($element['help'])) {
$function = $form->get_property('helpcallback');
if (function_exists($function)) {
$result .= $function($form, $element);
} else {
$result .= '<span class="help"><a href="" title="' . Pieform::hsc($element['help']) . '" onclick="return false;">?</a></span>';
}
}
$result .= "</legend>\n";
}
foreach ($element['elements'] as $subname => $subelement) {
if ($subelement['type'] == 'hidden') {
throw new PieformError("You cannot put hidden elements in fieldsets");
}
$result .= "\t" . pieform_render_element($form, $subelement);
}
$result .= "</fieldset>\n";
return $result;
}
function pieform_element_files_get_value(Pieform $form, $element)
{
$name = $form->get_name() . '_' . $element['name'];
$value = array();
foreach ($_FILES as $k => $v) {
if (preg_match('/^' . $name . '_files_\\d+$/', $k) && !empty($v['name'])) {
$value[] = $k;
}
}
return $value;
}
/**
* Provides a size chooser, with a text box for a number and a
* select box to choose the units, in bytes, kilobytes, megabytes or gigabytes
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_bytes(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
$result = '';
$name = Pieform::hsc($element['name']);
if (!isset($element['defaultvalue'])) {
$element['defaultvalue'] = null;
}
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
// Get the value of the element for rendering.
if (isset($element['value'])) {
$bytes = $element['value'];
$values = pieform_element_bytes_get_bytes_from_bytes($element['value']);
} else {
if ($form->is_submitted() && isset($global[$element['name']]) && isset($global[$element['name'] . '_units'])) {
$values = array('number' => $global[$element['name']], 'units' => $global[$element['name'] . '_units']);
$bytes = $values['number'] * pieform_element_bytes_in($values['units']);
} else {
if (isset($element['defaultvalue'])) {
$bytes = $element['defaultvalue'];
$values = pieform_element_bytes_get_bytes_from_bytes($bytes);
} else {
$values = array('number' => '0', 'units' => 'bytes');
$bytes = 0;
}
}
}
// @todo probably create with an actual input element, as tabindex doesn't work here for one thing
// Same with the select. And do the events using mochikit signal instead of dom events
$numberinput = '<div class="with-dropdown js-with-dropdown text">';
$numberinput .= '<label for="' . $formname . '_' . $name . '">' . Pieform::hsc($element['title']) . ': </label><input';
$numberinput .= ' type="text" size="6" name="' . $name . '"';
$numberinput .= ' id="' . $formname . '_' . $name . '" value="' . Pieform::hsc($values['number']) . '" tabindex="' . Pieform::hsc($element['tabindex']) . '"';
$numberinput .= 'class="with-dropdown js-with-dropdown form-control text' . (isset($element['error']) ? ' error"' : '') . '"';
if (isset($element['description'])) {
$numberinput .= ' aria-describedby="' . $form->element_descriptors($element) . '"';
}
$numberinput .= "></div>\n";
$uselect = '<div class="dropdown-connect js-dropdown-connect select">';
$uselect .= '<label for="' . $formname . '_' . $name . '_units" class="accessible-hidden sr-only">' . get_string('units') . '</label>';
$uselect .= '<span class="picker"><select class="form-control dropdown-connect js-dropdown-connect select" name="' . $name . '_units" id="' . $formname . '_' . $name . '_units"' . ' tabindex="' . Pieform::hsc($element['tabindex']) . '"';
if (isset($element['description'])) {
$uselect .= ' aria-describedby="' . $form->element_descriptors($element) . '"';
}
$uselect .= ">\n";
foreach (pieform_element_bytes_get_bytes_units() as $u) {
$uselect .= "\t<option value=\"{$u}\"" . ($values['units'] == $u ? ' selected="selected"' : '') . '>' . $form->i18n('element', 'bytes', $u, $element) . "</option>\n";
}
$uselect .= "</select></span></div>\n";
$fieldset = '<div id="' . $formname . '_' . $name . '_fieldset" class="dropdown-group js-dropdown-group form-group">' . '<fieldset class="pieform-fieldset dropdown-group js-dropdown-group">' . $numberinput . $uselect . '</fieldset></div>';
return $fieldset;
}
/**
* Renders a set of radio buttons for a form
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render. In addition to the standard Pieform
* element attributes, it can also take the following optional
* attributes:
* - separator: The HTML string that should separate the radio
* buttons (defaults to \n, always has \n appended to it)
* - rowsize: How many radio buttons to print per row (defaults to 1)
* - nolabels: Don't print the labels next to the individual radio buttons.
* @return string The HTML for the element
*/
function pieform_element_radio(Pieform $form, $element)
{
if (!isset($element['options']) || !is_array($element['options']) || count($element['options']) < 1) {
throw new PieformException('Radio elements should have at least one option');
}
$result = '';
$form_value = $form->get_value($element);
$id = $element['id'];
$separator = "\n";
if (isset($element['separator'])) {
$separator = $element['separator'] . $separator;
}
$rowsize = isset($element['rowsize']) ? (int) $element['rowsize'] : 1;
$nolabels = isset($element['nolabels']) ? $element['nolabels'] : false;
$classname = '';
if (!empty($element['hiddenlabels'])) {
$classname = ' class="accessible-hidden"';
}
$titletext = '';
if (!empty($element['title'])) {
$titletext = '<span class="accessible-hidden">' . Pieform::hsc($element['title']) . ': </span>';
}
$i = 0;
foreach ($element['options'] as $value => $data) {
$idsuffix = substr(md5(microtime()), 0, 4);
$baseid = $element['id'];
$element['id'] = $uid = $id . $idsuffix;
if (is_array($data)) {
$text = $data['text'];
$description = isset($data['description']) ? $data['description'] : '';
} else {
$text = $data;
$description = '';
}
$attributes = $form->element_attributes($element);
$attributes = preg_replace("/aria-describedby=\"[^\"]*{$baseid}{$idsuffix}_description\\s*[^\"]*\"/", 'aria-describedby="$1_description"', $attributes);
$result .= '<div class="radio">';
$result .= '<input type="radio"' . $attributes . ' value="' . Pieform::hsc($value) . '"' . ($form_value == $value ? ' checked="checked"' : '') . '>';
if (!$nolabels) {
$result .= ' <label for="' . $form->get_name() . '_' . $uid . '"' . $classname . '>' . $titletext . Pieform::hsc($text) . "</label>" . ($description != '' ? '<div class="description">' . $description . '</div>' : '');
}
$result .= '</div>';
$i++;
if ($rowsize <= 1 || $i % $rowsize == 0) {
$result .= $separator;
}
}
// If there was a separator printed on the end, then remove it
if ($rowsize <= 1 || $i % $rowsize == 0) {
$result = substr($result, 0, -strlen($separator));
}
return $result;
}
/**
* Provides a basic text field input.
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_text(Pieform $form, $element)
{
/*{{{*/
$value = Pieform::hsc($form->get_value($element));
$html = '';
// If hidewhenempty is set, the text box is hidden by a link which expands it.
if (!empty($element['hidewhenempty']) && $value == '') {
$inputid = hsc($form->get_name() . '_' . $element['name']);
$linktext = $element['expandtext'] ? hsc($element['expandtext']) : get_string('edit');
$html .= '<a class="btn btn-default" href="" ' . "onclick=\"addElementClass('{$inputid}_expand', 'hidden'); removeElementClass('{$inputid}', 'hidden'); return false;\"" . "id=\"{$inputid}_expand\">" . $linktext . '</a>';
$element['class'] .= ' hidden';
}
return $html . '<input type="text"' . $form->element_attributes($element) . ' value="' . $value . '">';
}
/**
*
* @package mahara
* @subpackage form-element
* @author Catalyst IT Ltd
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL version 3 or later
* @copyright For copyright information on Mahara, please see the README file distributed with this software.
*
*/
function pieform_element_checkboxes(Pieform $form, $element)
{
/*{{{*/
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
$submitted = $form->is_submitted();
if ($submitted) {
$value = isset($global[$element['name']]) ? $global[$element['name']] : array();
}
$result = '';
if (count($element['elements']) > 1) {
$id = hsc($form->get_name() . '_' . $element['name']) . '_container';
$result .= '<a href="" onclick="pieform_element_checkboxes_update(\'' . $id . '\', true); return false;">' . get_string('selectall') . '</a>' . ' ' . ' <a href="" onclick="pieform_element_checkboxes_update(\'' . $id . '\', false); return false;">' . get_string('selectnone') . '</a>';
}
$result .= '<div class="cl"></div>';
$element['name'] .= '[]';
// Number of characters in checkbox labels (use 0 or false for no limit).
$labelwidth = isset($element['labelwidth']) ? (int) $element['labelwidth'] : 17;
$elementtitle = '';
if (isset($element['title'])) {
$elementtitle = '<span class="accessible-hidden">' . $element['title'] . ': </span>';
}
foreach ($element['elements'] as $e) {
$id = $form->get_name() . '_' . $element['id'];
$idsuffix = substr(md5(microtime()), 0, 4);
if (!$submitted || !empty($e['disabled'])) {
$checked = $e['defaultvalue'];
} else {
$checked = !empty($value[$e['value']]) || in_array($e['value'], $value);
}
$attributes = $form->element_attributes($element);
$attributes = preg_replace("/\\bid=\"{$id}\"/", "id=\"{$id}{$idsuffix}\"", $attributes);
$title = $labelwidth ? str_shorten_text($e['title'], $labelwidth, true) : $e['title'];
$result .= '<div class="checkboxes-option"><input type="checkbox" value="' . $e['value'] . '" ' . $attributes . ($checked ? ' checked="checked"' : '') . (!empty($e['disabled']) ? ' disabled' : '') . '>' . ' <label class="checkbox" for="' . $id . $idsuffix . '">' . $elementtitle . Pieform::hsc($title) . '</label></div>';
}
$result .= '<div class="cl"></div>';
return $result;
}
function pieform_element_multitext_get_value(Pieform $form, $element)
{
if (isset($element['value'])) {
return $element['value'];
}
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
$name = $form->get_name() . '_' . $element['name'];
if ($form->is_submitted() && isset($global[$name]) && is_array($global[$name])) {
return array_values($global[$name]);
}
if (isset($element['defaultvalue'])) {
return $element['defaultvalue'];
}
return null;
}
/**
* Provides a password field that doesn't send the password text back to the user's browser.
* If the value of the field is empty, then you get a standard input type=password.
* If the field is non-empty, you get a link that says "Change password?" and if you click
* on that, you get an input type=password.
* The "Change password?" text can be customized by providing an "expandtext" value.
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_passwordnoread(Pieform $form, $element)
{
if (isset($element['defaultvalue']) && $element['defaultvalue'] == '') {
return '<input type="password"' . $form->element_attributes($element) . ' value="">';
} else {
$inputid = hsc($form->get_name() . '_' . $element['name']);
$linktext = isset($element['expandtext']) ? hsc($element['expandtext']) : get_string('changepassword');
$html = '<a href="" ' . "onclick=\"" . "addElementClass('{$inputid}_expand', 'hidden'); " . "jQuery('#{$inputid}').attr('name', '{$element['name']}');" . "removeElementClass('{$inputid}', 'hidden'); " . "return false;" . "\" id=\"{$inputid}_expand\">" . $linktext . '</a>';
$element['class'] .= ' hidden';
// This password input starts out invisible, and with a placeholder name (so that
// it won't be processed by the form). When you click the link, it becomes visible
// and gains its real name.
// TODO: Non-JS version.
return $html . '<input type="password" name="' . hsc($element['name'] . '_placeholder') . '" ' . $form->element_attributes($element, array('name')) . ' value="">';
}
}
/**
* Provides a size chooser, with a text box for a number and a
* select box to choose the units, in bytes, kilobytes, or megabytes
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_bytes(Pieform $form, $element)
{
/*{{{*/
$formname = $form->get_name();
$result = '';
$name = $element['name'];
if (!isset($element['defaultvalue'])) {
$element['defaultvalue'] = null;
}
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
// Get the value of the element for rendering.
if (isset($element['value'])) {
$bytes = $element['value'];
$values = pieform_element_bytes_get_bytes_from_bytes($element['value']);
} else {
if (isset($global[$element['name']]) && isset($global[$element['name'] . '_units'])) {
$values = array('number' => $global[$element['name']], 'units' => $global[$element['name'] . '_units']);
$bytes = $values['number'] * pieform_element_bytes_in($values['units']);
} else {
if (isset($element['defaultvalue'])) {
$bytes = $element['defaultvalue'];
$values = pieform_element_bytes_get_bytes_from_bytes($bytes);
} else {
$values = array('number' => '0', 'units' => 'bytes');
$bytes = 0;
}
}
}
// @todo probably create with an actual input element, as tabindex doesn't work here for one thing
// Same with the select. And do the events using mochikit signal instead of dom events
$numberinput = '<input';
$numberinput .= ' type="text" size="8" name="' . $name . '"';
$numberinput .= ' id="' . $formname . '_' . $name . '" value="' . $values['number'] . '" tabindex="' . $element['tabindex'] . '"';
$numberinput .= (isset($element['error']) ? ' class="error"' : '') . ">\n";
$uselect = '<select onchange="' . $name . '_change()" ';
$uselect .= 'name="' . $name . '_units" id="' . $formname . '_' . $name . '_units"' . ' tabindex="' . $element['tabindex'] . "\">\n";
foreach (pieform_element_bytes_get_bytes_units() as $u) {
$uselect .= "\t<option value=\"{$u}\"" . ($values['units'] == $u ? ' selected="selected"' : '') . '>' . $form->i18n('element', 'bytes', $u, $element) . "</option>\n";
}
$uselect .= "</select>\n";
return $numberinput . $uselect;
}
/**
* Renders a textarea, but with extra javascript to turn it into a wysiwyg
* textarea.
*
* @todo support resizable.
*
* @param array $element The element to render
* @param Pieform $form The form to render the element for
* @return string The HTML for the element
*/
function pieform_element_wysiwyg(Pieform $form, $element)
{
global $USER, $_PIEFORM_WYSIWYGS;
$_PIEFORM_WYSIWYGS[] = $form->get_name() . '_' . $element['name'];
if ($USER->get_account_preference('wysiwyg')) {
if (!$form->get_property('elementclasses')) {
$element['class'] = isset($element['class']) && $element['class'] !== '' ? $element['class'] . ' wysiwyg' : 'wysiwyg';
}
}
$rows = $cols = $style = '';
if (isset($element['height'])) {
$style .= 'height:' . $element['height'] . ';';
$rows = intval($element['height'] > 0) ? ceil(intval($element['height']) / 10) : 1;
} elseif (isset($element['rows'])) {
$rows = $element['rows'];
} else {
log_warn('No value for rows or height specified for textarea ' . $element['name']);
}
if (isset($element['width'])) {
$style .= 'width:' . $element['width'] . ';';
$cols = intval($element['width'] > 0) ? ceil(intval($element['width']) / 10) : 1;
} elseif (isset($element['cols'])) {
$cols = $element['cols'];
} else {
log_warn('No value for cols or width specified for textarea ' . $element['name']);
}
$element['style'] = isset($element['style']) ? $style . $element['style'] : $style;
if ($USER->get_account_preference('wysiwyg')) {
$value = Pieform::hsc($form->get_value($element));
} else {
// Replace <br>s as added by wysiwyg editor or nl2br with a newline
$value = preg_replace("#<br />\\s#", "\n", $form->get_value($element));
// As placed in the value by the wysiwyg editor
$value = str_replace('</p><p>', "\n\n", $value);
// Find the last </p> and replace with newlines
$value = preg_replace('#</p>\\s#', "\n", $value);
$value = strip_tags($value);
}
return '<textarea' . ($rows ? ' rows="' . $rows . '"' : '') . ($cols ? ' cols="' . $cols . '"' : '') . $form->element_attributes($element, array('maxlength', 'size')) . '>' . $value . '</textarea>';
}
/**
* Provides an email list, with verification to enable addresses
*
* @param array $element The element to render
* @param Pieform $form The form to render the element for
* @return string The HTML for the element
*/
function pieform_element_emaillist(Pieform $form, $element)
{
$smarty = smarty_core();
$smarty->left_delimiter = '{{';
$smarty->right_delimiter = '}}';
$value = $form->get_value($element);
if (!is_array($value) && isset($element['defaultvalue']) && is_array($element['defaultvalue'])) {
$value = $element['defaultvalue'];
}
if (!isset($value['validated'])) {
$value['validated'] = array();
}
if (!isset($value['unvalidated'])) {
$value['unvalidated'] = array();
}
if (!isset($value['unsent'])) {
$value['unsent'] = array();
}
if (!isset($value['default'])) {
$value['default'] = '';
}
if (is_array($value) && count($value)) {
$smarty->assign('validated', $value['validated']);
$smarty->assign('unvalidated', $value['unvalidated']);
$smarty->assign('unsent', $value['unsent']);
$smarty->assign('default', $value['default']);
}
$smarty->assign('form', $form->get_name());
$smarty->assign('name', $element['name']);
$smarty->assign('title', $element['title']);
$smarty->assign('addbuttonstr', get_string('addbutton', 'artefact.internal'));
$smarty->assign('validationemailstr', json_encode(get_string('validationemailwillbesent', 'artefact.internal')));
$smarty->assign('disabled', !empty($element['disabled']));
if (isset($element['description'])) {
$smarty->assign('describedby', $form->element_descriptors($element));
}
return $smarty->fetch('form/emaillist.tpl');
}
/**
* Provides a javascript color selector for inputting a hex color value.
*
* General documentation about the JavaScript Color Picker (Chooser) is available at
* http://jscolor.com/
*
* @param Pieform $form The form to render the element for
* @param array $element The element to render
* @return string The HTML for the element
*/
function pieform_element_color(Pieform $form, $element)
{
$result = '';
$name = Pieform::hsc($element['name']);
$baseid = Pieform::hsc($form->get_name() . '_' . $element['name']);
$value = Pieform::hsc($element['defaultvalue']);
$transparent = !empty($element['options']['transparent']) && $element['options']['transparent'] == true;
// Transparency optional control
if ($transparent) {
$optional = <<<EOF
<script type="application/javascript">
var {$baseid}_oldval = '';
function {$baseid}_toggle(x) {
if ( x.checked ) {
{$baseid}_oldval = \$('{$baseid}').value;
\$('{$baseid}').value = '';
\$('{$baseid}').disabled = true;
}
else {
\$('{$baseid}').value = {$baseid}_oldval;
\$('{$baseid}').disabled = false;
}
}
</script>
EOF;
$title = '';
if (!empty($element['title'])) {
$title = '<span class="accessible-hidden sr-only">' . $element['title'] . ':</span>';
}
$optional .= ' <input type="checkbox" ' . (isset($element['defaultvalue']) && $element['defaultvalue'] == 'transparent' ? 'checked="checked" ' : '') . 'name="' . $name . '_optional" id="' . $baseid . '_optional" onchange="' . $baseid . '_toggle(this)" ' . 'tabindex="' . Pieform::hsc($element['tabindex']) . '">';
$optional .= ' <label for="' . $baseid . '_optional">' . $title . $form->i18n('element', 'color', 'transparent', $element) . '</label> ';
$result .= $optional;
}
// Color Picker (Chooser)
$result .= '<input type="text" name="' . $name . '_color" id="' . $baseid . '"' . ($transparent && (!isset($element['defaultvalue']) || $element['defaultvalue'] == 'transparent') ? ' disabled="disabled"' : '') . ($transparent ? ' class="color {hash:true,required:false}"' : ' class="color {hash:true}"') . ' value="' . ($value == 'transparent' ? '' : $value) . '">';
return $result;
}
function pieform_element_rolepermissions_get_value(Pieform $form, $element)
{
/*{{{*/
if (isset($element['value'])) {
return $element['value'];
}
if (isset($element['defaultvalue'])) {
$value = $element['defaultvalue'];
} else {
$value = group_get_default_artefact_permissions($element['group']);
}
if ($form->is_submitted()) {
$global = $form->get_property('method') == 'get' ? $_GET : $_POST;
$prefix = $form->get_name() . '_' . $element['name'] . '_p';
foreach ($value as $r => $perms) {
foreach (array_keys(get_object_vars($perms)) as $p) {
if ($r != 'admin') {
$value[$r]->{$p} = param_boolean($prefix . '_' . $r . '_' . $p);
}
}
}
}
return $value;
}
function pieform_element_filebrowser_views_js(Pieform $form, $element)
{
global $_PIEFORM_FILEBROWSERS;
$formname = $form->get_name();
$prefix = $formname . '_' . $element['name'];
return $_PIEFORM_FILEBROWSERS[$prefix]['views_js'] . " {$prefix}.init();";
}
function auth_generate_registration_form_js($aform, $registerconfirm)
{
// The javascript needs to refer to field names, but they are obfuscated in this form,
// so construct and build the form in separate steps, so we can get the field names.
$form = new Pieform($aform);
$institutionid = $form->get_name() . '_' . $form->hashedfields['institution'];
$reasonid = $form->get_name() . '_' . $form->hashedfields['reason'];
$formhtml = $form->build();
if (count($registerconfirm) == 1) {
$js = '
$j(function() {
$j("#' . $reasonid . '_container").removeClass("js-hidden");
$j("#' . $reasonid . '_container textarea").removeClass("js-hidden");
$j("#' . $reasonid . '_container").next("tr.textarea").removeClass("js-hidden");
});
';
} else {
$url = get_config('wwwroot') . 'json/termsandconditions.php';
$js = '
var registerconfirm = ' . json_encode($registerconfirm) . ';
$j(function() {
$j("#' . $institutionid . '").change(function() {
if (this.value && registerconfirm[this.value] == 1) {
$j("#' . $reasonid . '_container").removeClass("js-hidden");
$j("#' . $reasonid . '_container textarea").removeClass("js-hidden");
$j("#' . $reasonid . '_container").next("tr.textarea").removeClass("js-hidden");
}
else {
$j("#' . $reasonid . '_container").addClass("js-hidden");
$j("#' . $reasonid . '_container textarea").addClass("js-hidden");
$j("#' . $reasonid . '_container").next("tr.textarea").addClass("js-hidden");
}
// need to fetch the correct terms and conditions for the institution
if (this.value) {
$j.ajax({
type: "POST",
dataType: "json",
url: "' . $url . '",
data: {
"institution": this.value,
}
}).done(function (data) {
if (data.content) {
$j("#termscontainer").html(data.content);
}
});
}
});
});
';
}
return array($formhtml, $js);
}
/**
* Check if the form is supposed to be collapsed
* @param array $element The element to render
* @return boolean if the fieldset should be collapsed
*/
function pieform_is_collapsed(Pieform $form, $element)
{
$formname = $form->get_name();
$iscollapsed = !empty($element['collapsed']);
// if name element is not set, element should not be collapsed
if (!isset($element['name'])) {
return false;
}
$valid = param_alphanumext('fs', null) !== $element['name'];
// Work out whether any of the children have errors on them
foreach ($element['elements'] as $subelement) {
if (isset($subelement['error'])) {
return false;
// collapsible element should be open
}
}
if (isset($element['name'])) {
$openparam = $formname . '_' . $element['name'] . '_open';
}
if ($iscollapsed && $valid && !param_boolean($openparam, false)) {
return true;
}
return false;
}
function pieform_get_help(Pieform $form, $element)
{
return get_help_icon($form->get_property('plugintype'), $form->get_property('pluginname'), $form->get_name(), $element['name']);
}