miteruzo
120 lines
3.6 KiB
PHP
120 lines
3.6 KiB
PHP
<?php
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/**
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* Class helper_plugin_bureaucracy_fieldnumber
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*
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* Creates a single line input field, where input is validated to be numeric
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*/
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class helper_plugin_bureaucracy_fieldnumber extends helper_plugin_bureaucracy_fieldtextbox {
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private $autoinc = false;
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/**
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* Arguments:
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* - cmd
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* - label
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* - ++ (optional)
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* - 0000 (optional)
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* - ^ (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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$pp = array_search('++', $args, true);
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if ($pp !== false) {
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unset($args[$pp]);
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$this->autoinc = true;
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}
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parent::initialize($args);
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if ($this->autoinc) {
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global $ID;
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$key = $this->get_key();
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$c_val = p_get_metadata($ID, 'bureaucracy ' . $key);
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if (is_null($c_val)) {
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if (!isset($this->opt['value'])) {
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$this->opt['value'] = 0;
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}
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p_set_metadata($ID, array('bureaucracy' => array($key => $this->opt['value'])));
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} else {
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$this->opt['value'] = $c_val;
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}
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}
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$this->opt['value'] = $this->addLeadingzeros($this->opt['value']);
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}
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/**
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* Validate field value
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*
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* @throws Exception when not a number
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*/
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protected function _validate() {
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$value = $this->getParam('value');
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if (!is_null($value) && !is_numeric($value)){
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throw new Exception(sprintf($this->getLang('e_numeric'),hsc($this->getParam('display'))));
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}
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parent::_validate();
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}
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/**
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* Handle a post to the field
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*
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* Accepts and validates a posted value.
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*
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* @param string $value The passed value or array or null if none given
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* @param array $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, $formid) {
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$value = $this->addLeadingzeros($value);
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return parent::handle_post($value, $fields, $index, $formid);
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}
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/**
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* Returns the cleaned key for this field required for metadata
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*
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* @return string key
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*/
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private function get_key() {
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return preg_replace('/\W/', '', $this->opt['label']) . '_autoinc';
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}
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/**
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* Executed after performing the action hooks
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*
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* Increases counter and purge cache
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*/
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public function after_action() {
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if ($this->autoinc) {
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global $ID;
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p_set_metadata($ID, array('bureaucracy' => array($this->get_key() => $this->opt['value'] + 1)));
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// Force rerendering by removing the instructions cache file
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$cache_fn = getCacheName(wikiFN($ID).$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'],'.'.'i');
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if (file_exists($cache_fn)) {
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unlink($cache_fn);
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}
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}
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}
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/**
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* Add leading zeros, depending on the corresponding field option
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*
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* @param int|string $value number
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* @return string
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*/
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protected function addLeadingzeros(&$value) {
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if (isset($this->opt['leadingzeros'])) {
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$length = strlen($value);
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for($i = $length; $i < $this->opt['leadingzeros']; $i++) {
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$value = '0' . $value;
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}
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return $value;
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}
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return $value;
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}
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}
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