mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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d2967c3f92
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4234 3807eeeb-6ff5-0310-8944-8be069107fe0
340 lines
No EOL
8.8 KiB
PHP
340 lines
No EOL
8.8 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Pagination Helper class file.
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*
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* Generates pagination links
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*
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* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright (c) 2006, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
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* @package cake
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* @subpackage cake.cake.libs.view.helpers
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* @since CakePHP v 1.2.0
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Html Helper class for easy use of HTML widgets.
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*
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* HtmlHelper encloses all methods needed while working with HTML pages.
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*
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* @package cake
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* @subpackage cake.cake.libs.view.helpers
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*/
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class PaginatorHelper extends AppHelper {
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/**
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* Helper dependencies
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*
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* @var array
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*/
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var $helpers = array('Html', 'Ajax');
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var $Html = null;
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var $Ajax = null;
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/**
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* Holds the default model for paged recordsets
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*
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* @var string
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*/
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var $__defaultModel = null;
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function params($model = null) {
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if ($model == null) {
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$model = $this->defaultModel();
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}
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if (!isset($this->params['paging']) || empty($this->params['paging'][$model])) {
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return null;
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}
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return $this->params['paging'][$model];
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}
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/**
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* Gets the current page of the in the recordset for the given model
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*
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* @param string $model
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* @return string
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*/
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function current($model = null) {
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$params = $this->params($model);
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if (isset($params['page'])) {
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return $params['page'];
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}
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return 1;
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}
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/**
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* Gets the current key by which the recordset is sorted
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*
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* @param string $model
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* @return string
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*/
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function sortKey($model = null, $options = array()) {
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if (empty($options)) {
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$params = $this->params($model);
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$options = am($params['defaults'], $params['options']);
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}
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if (isset($options['sort'])) {
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return $options['sort'];
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} elseif (isset($options['order']) && is_array($options['order'])) {
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return preg_replace('/.*\./', '', key($options['order']));
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}
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return null;
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}
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/**
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* Gets the current direction the recordset is sorted
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*
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* @param string $model
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* @return string
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*/
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function sortDir($model = null, $options = array()) {
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if (empty($options)) {
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$params = $this->params($model);
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$options = am($params['defaults'], $params['options']);
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}
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if (isset($options['direction'])) {
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$dir = low($options['direction']);
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} elseif (isset($options['order']) && is_array($options['order'])) {
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$dir = low(current($options['order']));
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}
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if ($dir == 'desc') {
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return 'desc';
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} else {
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return 'asc';
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}
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return null;
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}
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/**
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* Generates a "previous" link for a set of paged records
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*
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* @param string $title
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* @param array $options
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* @param string $disabledTitle
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* @param array $disabledOptions
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* @return string
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*/
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function prev($title = '<< Previous', $options = array(), $disabledTitle = null, $disabledOptions = array()) {
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return $this->__pagingLink('Prev', $title, $options, $disabledTitle, $disabledOptions);
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}
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/**
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* Generates a "next" link for a set of paged records
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*
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* @param string $title
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* @param array $options
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* @param string $disabledTitle
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* @param array $disabledOptions
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* @return string
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*/
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function next($title = 'Next >>', $options = array(), $disabledTitle = null, $disabledOptions = array()) {
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return $this->__pagingLink('Next', $title, $options, $disabledTitle, $disabledOptions);
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}
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/**
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* Generates a sorting link
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*
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* @param string $title
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* @param string $key
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* @param array $options
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* @return string
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*/
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function sort($title, $key = null, $options = array()) {
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$options = am(array('url' => array(), 'model' => null), $options);
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$url = $options['url'];
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unset($options['url']);
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if (empty($key)) {
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$key = $title;
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$title = Inflector::humanize($title);
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}
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$dir = 'asc';
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if ($this->sortKey($options['model']) == $key && $this->sortDir($options['model']) == 'asc') {
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$dir = 'desc';
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}
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$url = am(array('sort' => $key, 'direction' => $dir), $url, array('order' => null));
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return $this->link($title, $url, $options);
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}
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/**
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* Generates a plain or Ajax link with pagination parameters
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*
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* @param string $title
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* @param mixed $url
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* @param array $options
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* @return string
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*/
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function link($title, $url = array(), $options = array()) {
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$options = am(array('model' => null, 'escape' => true), $options);
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$model = $options['model'];
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unset($options['model']);
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$paging = $this->params($model);
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$url = am(array_filter(Set::diff($paging['options'], $paging['defaults'])), $url);
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if (isset($url['order'])) {
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$sort = $direction = null;
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if (is_array($url['order'])) {
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list($sort, $direction) = array($this->sortKey($model, $url), current($url['order']));
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}
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unset($url['order']);
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$url = am($url, compact('sort', 'direction'));
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}
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$obj = isset($options['update']) ? 'Ajax' : 'Html';
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$url = am(array('page' => $this->current($model)), $url);
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return $this->{$obj}->link($title, $url, $options);
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}
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/**
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* Protected method for generating prev/next links
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*
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*/
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function __pagingLink($which, $title = null, $options = array(), $disabledTitle = null, $disabledOptions = array()) {
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$check = 'has' . $which;
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$_defaults = array(
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'url' => array(), 'step' => 1,
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'escape' => true, 'model' => null
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);
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$options = am($_defaults, $options);
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$paging = $this->params($options['model']);
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if (!$this->{$check}() && (!empty($disabledTitle) || !empty($disabledOptions))) {
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if (!empty($disabledTitle) && $disabledTitle !== true) {
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$title = $disabledTitle;
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}
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$options = am($options, $disabledOptions);
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} elseif (!$this->{$check}()) {
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return null;
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}
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foreach (array_keys($_defaults) as $key) {
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${$key} = $options[$key];
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unset($options[$key]);
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}
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$url = am(array('page' => $paging['page'] + ($which == 'Prev' ? $step * -1 : $step)), $url);
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if ($this->{$check}()) {
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return $this->link($title, $url, am($options, array('escape' => $escape)));
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} else {
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return $this->Html->div(null, $title, $options, $escape);
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}
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}
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/**
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* Returns true if the given result set is not at the first page
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*
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* @param string $model
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* @return boolean
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*/
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function hasPrev($model = null) {
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return $this->__hasPage($model, 'prev');
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}
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/**
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* Returns true if the given result set is not at the last page
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*
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* @param string $model
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* @return boolean
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*/
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function hasNext($model = null) {
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return $this->__hasPage($model, 'next');
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}
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/**
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* Returns true if the given result set has the page number given by $page
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*
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* @param string $model
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* @param int $page
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* @return boolean
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*/
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function hasPage($model = null, $page = 1) {
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if (is_numeric($model)) {
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$page = $model;
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$model = null;
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}
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$paging = $this->params($model);
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return $page <= $paging['pageCount'];
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}
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/**
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* Protected method
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*
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*/
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function __hasPage($model, $page) {
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$params = $this->params($model);
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if (!empty($params)) {
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if ($params["{$page}Page"] == true) {
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return true;
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}
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}
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return false;
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}
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/**
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* Gets the default model of the paged sets
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*
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* @return string
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*/
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function defaultModel() {
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if ($this->__defaultModel != null) {
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return $this->__defaultModel;
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}
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if (empty($this->params['paging'])) {
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return null;
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}
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list($this->__defaultModel) = array_keys($this->params['paging']);
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return $this->__defaultModel;
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}
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/**
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* Returns a counter string for the paged result set
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*
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* @param array $options
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* @return string
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*/
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function counter($options = array()) {
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$options = am(
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array(
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'model' => $this->defaultModel(),
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'format' => 'pages',
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'separator' => ' of '
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),
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$options
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);
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$paging = $this->params($options['model']);
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$start = $paging['options']['page'] > 1 ? ($paging['options']['page'] - 1) * ($paging['options']['limit']) + 1 : '1';
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$end = ($paging['count'] < ($start + $paging['options']['limit'] - 1)) ? $paging['count'] : ($start + $paging['options']['limit'] - 1);
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switch ($options['format']) {
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case 'range':
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if (!is_array($options['separator'])) {
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$options['separator'] = array(' - ', $options['separator']);
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}
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$out = $start . $options['separator'][0] . $end . $options['separator'][1] . $paging['count'];
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break;
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case 'pages':
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$out = $paging['options']['page'] . $options['separator'] . $paging['pageCount'];
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break;
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default:
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$replace = array(
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'%page%' => $paging['options']['page'],
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'%pages%' => $paging['pageCount'],
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'%current%' => $paging['current'],
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'%count%' => $paging['count'],
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'%start%' => $start,
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'%end%' => $end
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);
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$out = r(array_keys($replace), array_values($replace), $options['format']);
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break;
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}
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return $this->output($out);
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}
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}
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?>
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