148 lines
4.0 KiB
PHP
148 lines
4.0 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Module\Monitoring\Form\Command;
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use \Icinga\Web\Form\Element\TriStateCheckbox;
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use \Icinga\Web\Form;
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use \Zend_Form_Element_Hidden;
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use \Zend_Form;
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/**
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* A form to edit multiple command flags of multiple commands at once. When some commands have
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* different flag values, these flags will be displayed as an undefined state,
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* in a tri-state checkbox.
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*/
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class MultiCommandFlagForm extends Form {
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/**
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* The Suffix used to mark the old values in the form-field
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*
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* @var string
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*/
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const OLD_VALUE_MARKER = '_old_value';
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/**
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* The object properties to change
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*
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* @var array
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*/
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private $flags;
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/**
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* The current values of this form
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*
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* @var array
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*/
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private $values;
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/**
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* Create a new MultiCommandFlagForm
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*
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* @param array $flags The flags that will be used. Should contain the
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* names of the used property keys.
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*/
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public function __construct(array $flags)
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{
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$this->flags = $flags;
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parent::__construct();
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$this->setEnctype(Zend_Form::ENCTYPE_MULTIPART);
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}
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/**
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* Initialise the form values with the array of items to configure.
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*
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* @param mixed $items The items that will be edited with this form.
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*/
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public function initFromItems($items)
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{
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$this->values = $this->valuesFromObjects($items);
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$this->buildForm();
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$this->populate($this->values);
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}
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/**
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* Return only the values that have been updated.
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*/
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public function getChangedValues()
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{
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$values = $this->getValues();
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$changed = array();
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foreach ($values as $key => $value) {
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$oldKey = $key . self::OLD_VALUE_MARKER;
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if (array_key_exists($oldKey, $values)) {
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if ($values[$oldKey] !== $value) {
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$changed[$key] = $value;
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}
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}
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}
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return $changed;
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}
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private function valuesFromObjects($items)
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{
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$values = array();
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foreach ($items as $item) {
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foreach ($this->flags as $key => $unused) {
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if (isset($item->{$key})) {
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$value = $item->{$key};
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// convert strings
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if ($value === '1' || $value === '0') {
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$value = intval($value);
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}
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// init key with first value
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if (!array_key_exists($key, $values)) {
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$values[$key] = $value;
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continue;
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}
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// already a mixed state ?
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if ($values[$key] === 'unchanged') {
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continue;
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}
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// values differ?
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if ($values[$key] ^ $value) {
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$values[$key] = 'unchanged';
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}
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}
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}
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}
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$old = array();
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foreach ($values as $key => $value) {
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$old[$key . self::OLD_VALUE_MARKER] = $value;
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}
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return array_merge($values, $old);
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}
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public function buildCheckboxes()
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{
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$checkboxes = array();
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foreach ($this->flags as $flag => $description) {
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$checkboxes[] = new TriStateCheckbox(
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$flag,
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array(
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'label' => $description,
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'required' => true
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)
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);
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}
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return $checkboxes;
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}
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/**
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* Create the multi flag form
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*
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* @see Form::create()
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*/
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public function create()
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{
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$this->setName('form_flag_configuration');
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foreach ($this->buildCheckboxes() as $checkbox) {
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$this->addElement($checkbox);
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$old = new Zend_Form_Element_Hidden($checkbox->getName() . self::OLD_VALUE_MARKER);
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$this->addElement($old);
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}
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$this->setSubmitLabel('Save Configuration');
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}
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}
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