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<?php
/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
class CWidgetFieldTags extends CWidgetField {
/**
* Create widget field for Tags selection.
*
* @param string $name Field name in form.
* @param string $label Label for the field in form.
*/
public function __construct($name, $label) {
parent::__construct($name, $label);
$this->setSaveType(ZBX_WIDGET_FIELD_TYPE_STR);
$this->setValidationRules(['type' => API_OBJECTS, 'fields' => [
'tag' => ['type' => API_STRING_UTF8, 'flags' => API_REQUIRED, 'length' => 255],
'operator' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [TAG_OPERATOR_LIKE, TAG_OPERATOR_EQUAL, TAG_OPERATOR_NOT_LIKE, TAG_OPERATOR_NOT_EQUAL, TAG_OPERATOR_EXISTS, TAG_OPERATOR_NOT_EXISTS])],
'value' => ['type' => API_STRING_UTF8, 'flags' => API_REQUIRED, 'length' => 255]
]]);
$this->setDefault([]);
}
public function setValue($value) {
$this->value = (array) $value;
return $this;
}
/**
* Get field value. If no value is set, will return default value.
*
* @return mixed
*/
public function getValue() {
$value = parent::getValue();
foreach ($value as $index => $val) {
if ($val['tag'] === '' && $val['value'] === '') {
unset($value[$index]);
}
}
return $value;
}
/**
* Add dynamic row script and fix the distance between AND/OR buttons and tag inputs below them.
*
* @return string
*/
public function getJavascript() {
return 'var tags_table = jQuery("#tags_table_'.$this->getName().'");'.
'tags_table'.
'.dynamicRows({template: "#tag-row-tmpl"})'.
'.on("afteradd.dynamicRows", function() {'.
'var rows = this.querySelectorAll(".form_row");'.
'new CTagFilterItem(rows[rows.length - 1]);'.
'});'.
// Init existing fields once loaded.
'document.querySelectorAll("#tags_table_'.$this->getName().' .form_row").forEach(row => {'.
'new CTagFilterItem(row);'.
'});';
}
/**
* Prepares array entry for widget field, ready to be passed to CDashboard API functions.
* Reference is needed here to avoid array merging in CWidgetForm::fieldsToApi method. With large number of widget
* fields it causes significant performance decrease.
*
* @param array $widget_fields reference to Array of widget fields.
*/
public function toApi(array &$widget_fields = []) {
$value = $this->getValue();
foreach ($value as $index => $val) {
$widget_fields[] = [
'type' => $this->save_type,
'name' => $this->name.'.tag.'.$index,
'value' => $val['tag']
];
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_INT32,
'name' => $this->name.'.operator.'.$index,
'value' => $val['operator']
];
$widget_fields[] = [
'type' => $this->save_type,
'name' => $this->name.'.value.'.$index,
'value' => $val['value']
];
}
}
}
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