miteruzo
115 lines
3.9 KiB
PHP
115 lines
3.9 KiB
PHP
<?php
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/**
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* Class helper_plugin_bureaucracy_fieldfieldset
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*
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* Creates a new set of fields, which optional can be shown/hidden depending on the value of another field above it.
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*/
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class helper_plugin_bureaucracy_fieldfieldset extends helper_plugin_bureaucracy_field {
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protected $mandatory_args = 1;
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/** @var array with zero, one entry (fieldname) or two entries (fieldname and match value) */
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public $depends_on = array();
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/**
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* Arguments:
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* - cmd
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* - label (optional)
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* - field name where switching depends on (optional)
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* - match value (optional)
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*
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* @param array $args The tokenized definition, only split at spaces
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*/
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public function initialize($args) {
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// get standard arguments
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$this->opt = array('cmd' => array_shift($args));
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if (count($args) > 0) {
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$this->opt['label'] = array_shift($args);
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$this->opt['display'] = $this->opt['label'];
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$this->depends_on = $args;
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}
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}
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/**
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* Render the top of the fieldset as XHTML
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*
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* @param array $params Additional HTML specific parameters
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* @param Doku_Form $form The target Doku_Form object
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* @param int $formid unique identifier of the form which contains this field
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*/
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function renderfield($params, Doku_Form $form, $formid) {
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$form->startFieldset(hsc($this->getParam('display')));
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if (!empty($this->depends_on)) {
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$dependencies = array_map('hsc',(array) $this->depends_on);
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if (count($this->depends_on) > 1) {
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$msg = 'Only edit this fieldset if ' .
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'“<span class="bureaucracy_depends_fname">%s</span>” '.
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'is set to “<span class="bureaucracy_depends_fvalue">%s</span>”.';
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} else {
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$msg = 'Only edit this fieldset if ' .
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'“<span class="bureaucracy_depends_fname">%s</span>” is set.';
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}
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$form->addElement('<p class="bureaucracy_depends">' . vsprintf($msg, $dependencies) . '</p>');
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}
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}
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/**
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* Handle a post to the fieldset
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*
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* When fieldset is closed, set containing fields to hidden
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*
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* @param null $value field value of fieldset always empty
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* @param helper_plugin_bureaucracy_field[] $fields (reference) form fields (POST handled upto $this field)
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* @param int $index index number of field in form
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* @param int $formid unique identifier of the form which contains this field
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* @return bool Whether the passed value is valid
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*/
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public function handle_post($value, &$fields, $index, $formid) {
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if(empty($this->depends_on)) {
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return true;
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}
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// search the field where fieldset depends on in fields before fieldset
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$hidden = false;
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for ($n = 0 ; $n < $index; ++$n) {
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$field = $fields[$n];
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if ($field->getParam('label') != $this->depends_on[0]) {
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continue;
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}
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if(count($this->depends_on) > 1) {
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$hidden = $field->getParam('value') != $this->depends_on[1];
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} else {
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$hidden = !$field->isSet_();
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}
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break;
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}
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// mark fields after this fieldset as hidden
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if ($hidden) {
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$this->hidden = true;
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for ($n = $index + 1 ; $n < count($fields) ; ++$n) {
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$field = $fields[$n];
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if ($field->getFieldType() === 'fieldset') {
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break;
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}
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$field->hidden = true;
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}
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}
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return true;
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}
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/**
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* Get an arbitrary parameter
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*
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* @param string $name
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* @return mixed|null
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*/
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function getParam($name) {
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if($name === 'value') {
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return null;
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} else {
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return parent::getParam($name);
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}
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}
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}
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