254 Zeilen
8,5 KiB
PHP
254 Zeilen
8,5 KiB
PHP
<?php
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/**
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* This file is part of MySQLDumper released under the GNU/GPL 2 license
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* http://www.mysqldumper.net
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*
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* @package MySQLDumper
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* @subpackage View_Helpers
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* @version SVN: $Rev$
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* @author $Author$
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*/
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/**
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* Build a paginator.
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*
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* @package MySQLDumper
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* @subpackage View_Helpers
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*/
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class Msd_View_Helper_Paginator extends Zend_View_Helper_Abstract
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{
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/**
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* Types for the buttons in the view script.
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* The type depends on the current mode.
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*
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* @var array
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*/
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protected $_buttonTypes = array(
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'form' => 'submit',
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'js' => 'button',
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'url' => 'button',
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);
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/**
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* Defaults for the options. This array is used to fill missing options.
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*
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* @var array
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*/
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protected $_defaults = array(
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'currentPage' => 1,
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'pageCount' => 1,
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'urlParam' => 'pageNr',
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'baseUrl' => '',
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'mode' => 'form',
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'actions' => array(
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'first' => '',
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'prev' => '',
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'next' => '',
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'last' => '',
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'change' => '',
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),
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'method' => 'post',
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'enctype' => 'multipart/form-data',
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);
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/**
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* Builds a paginator depending on the given options.
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*
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* <code>
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* <?php
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* $options = array(
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* 'currentPage', // Number of the currently selected page.
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* 'pageCount', // Number of total pages.
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* 'urlParam', // Name of the url parameter which gets the new selected page number.
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* 'baseUrl', // Base URL for form action and buttons. urlParam and new page number will be appended.
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* 'mode', // Mode, in which the paginator operates (can be "form", "url" or "js")
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* 'actions' => array( // JS code for the buttons in "js" mode and JS code for the text input field.
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* 'first', // The string ":PAGE:" will be replaced with the target page number.
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* 'prev',
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* 'next',
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* 'last',
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* 'change', // If you want to call a JS function with the new page number as parameter
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* ), // use "myFunc(this.value);".
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* 'method', // Value for "method" HTML attribute of the "form" tag.
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* 'enctype', // Value for "enctype" HTML attribute of the "form" tag.
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* );
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* ?>
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* <code>
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*
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* @param array $options Options for the paginator
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*
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* @return string HTML code for view script inclusion
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*/
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public function paginator(array $options)
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{
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$view = clone $this->view;
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$view->clearVars();
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$options = array_merge($this->_defaults, $options);
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$buttons = $this->_getButtons($options);
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$onChange = $this->_getOnChange($options['mode'], $options['baseUrl'], $options['urlParam']);
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if ($options['mode'] == 'js') {
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$onChange = $this->_getOnChange($options['mode'], $options['actions']['change'], $options['urlParam']);
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}
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$viewData = array(
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'currentPage' => $options['currentPage'],
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'pageCount' => $options['pageCount'],
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'urlParam' => $options['urlParam'],
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'onChange' => $onChange,
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'buttonType' => $this->_buttonTypes[$options['mode']],
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'first' => $buttons['first'],
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'prev' => $buttons['prev'],
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'next' => $buttons['next'],
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'last' => $buttons['last'],
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'formEncType' => $options['enctype'],
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'formAction' => $options['baseUrl'],
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'formMethod' => $options['method'],
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);
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$view->assign($viewData);
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return $view->render('helper/paginator.phtml');
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}
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/**
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* Builds the information for the buttons (first page, previous page, next page and last page).
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*
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* @param array $options Button options
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*
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* @return array Information for the view script
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*/
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protected function _getButtons(array $options)
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{
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$buttons = array();
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$buttons['first'] = $this->_getButtonInfo(
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(bool) ($options['currentPage'] <= 1)
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);
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$buttons['first']['icon'] = 'First' . $buttons['first']['icon'];
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$buttons['first']['click'] = $this->_getButtonClick(
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$options['mode'],
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array(
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'targetPage' => 1,
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'onClick' => $options['actions']['first'],
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'baseUrl' => $options['baseUrl'],
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'urlParam' => $options['urlParam'],
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)
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);
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$buttons['prev'] = $this->_getButtonInfo(
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(bool) ($options['currentPage'] <= 1)
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);
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$buttons['prev']['icon'] = 'Back' . $buttons['prev']['icon'];
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$buttons['prev']['click'] = $this->_getButtonClick(
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$options['mode'],
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array(
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'targetPage' => $options['currentPage'] - 1,
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'onClick' => $options['actions']['prev'],
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'baseUrl' => $options['baseUrl'],
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'urlParam' => $options['urlParam'],
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)
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);
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$buttons['next'] = $this->_getButtonInfo(
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(bool) ($options['currentPage'] >= $options['pageCount'])
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);
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$buttons['next']['icon'] = 'Forward' . $buttons['next']['icon'];
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$buttons['next']['click'] = $this->_getButtonClick(
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$options['mode'],
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array(
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'targetPage' => $options['currentPage'] + 1,
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'onClick' => $options['actions']['next'],
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'baseUrl' => $options['baseUrl'],
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'urlParam' => $options['urlParam'],
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)
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);
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$buttons['last'] = $this->_getButtonInfo(
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(bool) ($options['currentPage'] >= $options['pageCount'])
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);
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$buttons['last']['icon'] = 'Last' . $buttons['last']['icon'];
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$buttons['last']['click'] = $this->_getButtonClick(
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$options['mode'],
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array(
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'targetPage' => $options['pageCount'],
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'onClick' => $options['actions']['last'],
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'baseUrl' => $options['baseUrl'],
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'urlParam' => $options['urlParam'],
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)
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);
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return $buttons;
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}
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/**
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* Builds the basic info for a button (disabled status and disabled suffix for buttons icon)
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*
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* @param bool $disabled Status of the button
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*
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* @return array Basic info about the button
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*/
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protected function _getButtonInfo($disabled)
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{
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return array(
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'disabled' => $disabled ? ' disabled="disabled"' : '',
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'icon' => $disabled ? 'Disabled' : '',
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);
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}
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/**
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* Builds the javascript code for the HTML attribute "onclick".
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*
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* @param string $mode Current paginator mode (can be "form", "url" or "js")
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* @param array $options Options for the "onclick" attribute
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*
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* @return string JS-Code for the "onclick" attribute
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*/
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protected function _getButtonClick($mode, array $options)
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{
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$onClick = '';
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if ($mode == 'form') {
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$onClick = "$(this).parent().children('select').val(" . $options['targetPage'] . "); "
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. "$(this).parent().parent()[0].submit();";
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}
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if ($mode == 'url') {
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$onClick = "window.location.href = '" . rtrim($options['baseUrl'], '/')
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. "/{$options['urlParam']}/{$options['targetPage']}/';";
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}
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if ($mode == 'js') {
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$onClick = str_replace(':PAGE:', $options['targetPage'], $options['onClick']);
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}
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return $onClick;
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}
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/**
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* Builds the Javascript code for "onchange" HTML attribute.
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* This code is used for the combobox.
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*
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* @param string $mode Current paginator mode (can be "form", "url" or "js")
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* @param string $baseUrl Base URL or Javascript code for the event.
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* @param string $urlParam Name of the URL param. Its value will set to the entered page.
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*
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* @return string JS-Code for the "onchange" HTML attribute.
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*/
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protected function _getOnChange($mode, $baseUrl = '', $urlParam = '')
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{
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$onChange = "";
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if ($mode == 'form') {
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$onChange = "$(this).parent().parent()[0].submit();";
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}
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if ($mode == 'url') {
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$onChange = "window.location.href = '" . rtrim($baseUrl, '/') . "/$urlParam/' + this.value + '/';";
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}
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if ($mode == 'js') {
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$onChange = "$baseUrl";
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}
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return $onChange;
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}
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}
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