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https://github.com/kamilwylegala/cakephp2-php8.git
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09ebd9cbe6
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6862 3807eeeb-6ff5-0310-8944-8be069107fe0
622 lines
No EOL
20 KiB
PHP
622 lines
No EOL
20 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(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2008, 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 2005-2008, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.view.helpers
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* @since CakePHP(tm) 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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* Pagination Helper class for easy generation of pagination links.
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*
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* PaginationHelper encloses all methods needed when working with pagination.
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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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/**
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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 $__defaultModel = null;
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/**
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* Holds the default options for pagination links
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*
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* The values that may be specified are:
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* - <i>$options['sort']</i> the key that the recordset is sorted.
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* - <i>$options['direction']</i> Direction of the sorting (default: 'asc').
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* - <i>$options['format']</i> Format of the counter. Supported formats are 'range' and 'pages'
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* and custom (default). In the default mode the supplied string is
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* parsed and constants are replaced by their actual values.
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* Constants: %page%, %pages%, %current%, %count%, %start%, %end% .
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* - <i>$options['separator']</i> The separator of the actual page and number of pages (default: ' of ').
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* - <i>$options['url']</i> Url of the action. See Router::url()
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* - <i>$options['model']</i> The name of the model.
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* - <i>$options['escape']</i> Defines if the title field for the link should be escaped (default: true).
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* - <i>$options['update']</i> DOM id of the element updated with the results of the AJAX call.
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* If this key isn't specified Paginator will use plain HTML links.
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* - <i>$options['indicator']</i> DOM id of the element that will be shown when doing AJAX requests.
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*
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* @var array
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*/
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var $options = array();
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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 $model Optional model name. Uses the default if none is specified.
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* @return string The current page number of the paginated resultset.
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*/
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function params($model = null) {
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if (empty($model)) {
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$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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* Sets default options for all pagination links
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*
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* @param mixed $options Default options for pagination links. If a string is supplied - it
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* is used as the DOM id element to update. See #options for list of keys.
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*/
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function options($options = array()) {
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if (is_string($options)) {
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$options = array('update' => $options);
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}
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if (!empty($options['paging'])) {
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if (!isset($this->params['paging'])) {
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$this->params['paging'] = array();
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}
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$this->params['paging'] = array_merge($this->params['paging'], $options['paging']);
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unset($options['paging']);
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}
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$model = $this->defaultModel();
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if (!empty($options[$model])) {
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if (!isset($this->params['paging'][$model])) {
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$this->params['paging'][$model] = array();
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}
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$this->params['paging'][$model] = array_merge($this->params['paging'][$model], $options[$model]);
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unset($options[$model]);
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}
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$this->options = array_filter(array_merge($this->options, $options));
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}
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/**
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* Gets the current page of the recordset for the given model
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*
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* @param string $model Optional model name. Uses the default if none is specified.
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* @return string The current page number of the recordset.
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*/
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function current($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 Optional model name. Uses the default if none is specified.
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* @param mixed $options Options for pagination links. See #options for list of keys.
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* @return string The name of the key by which the recordset is being sorted, or
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* null if the results are not currently sorted.
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*/
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function sortKey($model = null, $options = array()) {
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if (empty($options)) {
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$params = $this->params($model);
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$options = array_merge($params['defaults'], $params['options']);
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}
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if (isset($options['sort']) && !empty($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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} elseif (isset($options['order']) && is_string($options['order'])) {
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if (preg_match('/(?:\w+\.)?(\w+)/', $options['order'], $result) && isset($result[1])) {
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return $result[1];
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}
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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 Optional model name. Uses the default if none is specified.
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* @param mixed $options Options for pagination links. See #options for list of keys.
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* @return string The direction by which the recordset is being sorted, or
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* null if the results are not currently sorted.
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*/
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function sortDir($model = null, $options = array()) {
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$dir = null;
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if (empty($options)) {
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$params = $this->params($model);
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$options = array_merge($params['defaults'], $params['options']);
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}
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if (isset($options['direction'])) {
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$dir = strtolower($options['direction']);
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} elseif (isset($options['order']) && is_array($options['order'])) {
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$dir = strtolower(current($options['order']));
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}
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if ($dir == 'desc') {
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return 'desc';
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}
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return 'asc';
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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 Title for the link. Defaults to '<< Previous'.
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* @param mixed $options Options for pagination link. See #options for list of keys.
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* @param string $disabledTitle Title when the link is disabled.
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* @param mixed $disabledOptions Options for the disabled pagination link. See #options for list of keys.
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* @return string A "previous" link or $disabledTitle text if the link is disabled.
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*/
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function prev($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 Title for the link. Defaults to 'Next >>'.
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* @param mixed $options Options for pagination link. See #options for list of keys.
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* @param string $disabledTitle Title when the link is disabled.
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* @param mixed $disabledOptions Options for the disabled pagination link. See #options for list of keys.
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* @return string A "next" link or or $disabledTitle text if the link is disabled.
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*/
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function next($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 Title for the link.
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* @param string $key The name of the key that the recordset should be sorted.
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* @param array $options Options for sorting link. See #options for list of keys.
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* @return string A link sorting default by 'asc'. If the resultset is sorted 'asc' by the specified
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* key the returned link will sort by 'desc'.
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*/
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function sort($title, $key = null, $options = array()) {
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$options = array_merge(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(preg_replace('/_id$/', '', $title)), true);
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}
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$dir = 'asc';
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if ($this->sortKey($options['model']) == $key && $this->sortDir($options['model']) == 'asc') {
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$dir = 'desc';
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}
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if (is_array($title) && array_key_exists($dir, $title)) {
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$title = $title[$dir];
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}
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$url = array_merge(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 Title for the link.
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* @param mixed $url Url for the action. See Router::url()
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* @param array $options Options for the link. See #options for list of keys.
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* @return string A link with pagination parameters.
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*/
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function link($title, $url = array(), $options = array()) {
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$options = array_merge(array('model' => null, 'escape' => true), $options);
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$model = $options['model'];
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unset($options['model']);
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if (!empty($this->options)) {
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$options = array_merge($this->options, $options);
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}
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if (isset($options['url'])) {
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$url = array_merge((array)$options['url'], (array)$url);
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unset($options['url']);
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}
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$url = $this->url($url, true, $model);
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$obj = isset($options['update']) ? 'Ajax' : 'Html';
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$url = array_merge(array('page' => $this->current($model)), $url);
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return $this->{$obj}->link($title, Set::filter($url, true), $options);
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}
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/**
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* Merges passed URL options with current pagination state to generate a pagination URL.
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*
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* @param array $options Pagination/URL options array
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* @param boolean $asArray
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* @param string $model Which model to paginate on
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* @return mixed By default, returns a full pagination URL string for use in non-standard contexts (i.e. JavaScript)
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*/
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function url($options = array(), $asArray = false, $model = null) {
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$paging = $this->params($model);
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$url = array_merge(array_filter(Set::diff(array_merge($paging['defaults'], $paging['options']), $paging['defaults'])), $options);
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if (isset($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 = array_merge($url, compact('sort', 'direction'));
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}
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if ($asArray) {
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return $url;
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}
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return Router::url($url);
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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('url' => array(), 'step' => 1, 'escape' => true, 'model' => null, 'tag' => 'div');
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$options = array_merge($_defaults, (array)$options);
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$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 = array_merge($_defaults, (array)$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 = array_merge(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, $url, array_merge($options, array('escape' => $escape)));
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} else {
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return $this->Html->tag($tag, $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 $model Optional model name. Uses the default if none is specified.
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* @return boolean True if the result set is not at the first page.
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*/
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function hasPrev($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 $model Optional model name. Uses the default if none is specified.
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* @return boolean True if the result set is not at the last page.
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*/
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function hasNext($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 Optional model name. Uses the default if none is specified.
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* @param int $page The page number - if not set defaults to 1.
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* @return boolean True if the given result set has the specified page number.
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*/
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function hasPage($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["{$page}Page"] == true) {
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return true;
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}
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}
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return false;
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}
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/**
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* Gets the default model of the paged sets
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*
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* @return string Model name or null if the pagination isn't initialized.
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*/
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function defaultModel() {
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if ($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 mixed $options Options for the counter string. See #options for list of keys.
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* @return string Counter string.
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*/
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function counter($options = array()) {
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if (is_string($options)) {
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$options = array('format' => $options);
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}
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$options = array_merge(
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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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$paging = $this->params($options['model']);
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$paging['pageCount'] = ife($paging['pageCount'] == 0, 1, $paging['pageCount']);
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$start = ife($paging['count'] >= 1, ($paging['page'] - 1) * ($paging['options']['limit']) + 1, '0');
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$end = ife(($paging['count'] < ($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['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['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 = str_replace(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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* Returns a set of numbers for the paged result set
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* uses a modulus to decide how many numbers to show on each side of the current page (default: 8)
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*
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* @param mixed $options Options for the numbers, (before, after, model, modulus, separator)
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* @return string numbers string.
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*/
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function numbers($options = array()) {
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if ($options === true) {
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$options = array(
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'before' => ' | ', 'after' => ' | ',
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'first' => 'first', 'last' => 'last',
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);
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}
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$options = array_merge(
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array(
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'before'=> null, 'after'=> null,
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'model' => $this->defaultModel(),
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'modulus' => '8', 'separator' => ' | ',
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'first' => null, 'last' => null,
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),
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(array)$options);
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$params = array_merge(array('page'=> 1), (array)$this->params($options['model']));
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unset($options['model']);
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if ($params['pageCount'] <= 1) {
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return false;
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}
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extract($options);
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unset($options['before'], $options['after'], $options['model'], $options['modulus'], $options['separator'], $options['first'], $options['last']);
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$out = '';
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if ($modulus && $params['pageCount'] > $modulus) {
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$half = intval($modulus / 2);
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$end = $params['page'] + $half;
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if ($end > $params['pageCount']) {
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$end = $params['pageCount'];
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}
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$start = $params['page'] - ($modulus - ($end - $params['page']));
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if ($start <= 1) {
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$start = 1;
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$end = $params['page'] + ($modulus - $params['page']) + 1;
|
|
}
|
|
|
|
if ($first && $start > (int)$first) {
|
|
if ($start == $first + 1) {
|
|
$out .= $this->first($first, array('after' => $separator));
|
|
} else {
|
|
$out .= $this->first($first);
|
|
}
|
|
}
|
|
|
|
$out .= $before;
|
|
|
|
for ($i = $start; $i < $params['page']; $i++) {
|
|
$out .= '<span>' . $this->link($i, array('page' => $i), $options) . '</span>' . $separator;
|
|
}
|
|
|
|
$out .= '<span class="current">' . $params['page'] . '</span>';
|
|
if ($i != $params['pageCount']) {
|
|
$out .= $separator;
|
|
}
|
|
|
|
$start = $params['page'] + 1;
|
|
for ($i = $start; $i < $end; $i++) {
|
|
$out .= '<span>' .$this->link($i, array('page' => $i), $options) . '</span>'. $separator;
|
|
}
|
|
|
|
if ($end != $params['page']) {
|
|
$out .= '<span>' .$this->link($i, array('page' => $end), $options) . '</span>';
|
|
}
|
|
|
|
$out .= $after;
|
|
|
|
if ($last && $end <= $params['pageCount'] - (int)$last) {
|
|
if ($end + 1 == $params['pageCount']) {
|
|
$out .= $this->last($last, array('before' => $separator));
|
|
} else {
|
|
$out .= $this->last($last);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
$out .= $before;
|
|
|
|
for ($i = 1; $i <= $params['pageCount']; $i++) {
|
|
if ($i == $params['page']) {
|
|
$out .= '<span class="current">' . $i . '</span>';
|
|
} else {
|
|
$out .= '<span>' .$this->link($i, array('page' => $i), $options) . '</span>';
|
|
}
|
|
if ($i != $params['pageCount']) {
|
|
$out .= $separator;
|
|
}
|
|
}
|
|
|
|
$out .= $after;
|
|
}
|
|
|
|
return $this->output($out);
|
|
}
|
|
/**
|
|
* Returns a first or set of numbers for the first pages
|
|
*
|
|
* @param mixed $first if string use as label for the link, if numeric print page numbers
|
|
* @param mixed $options
|
|
* @return string numbers string.
|
|
*/
|
|
function first($first = '<< first', $options = array()) {
|
|
$options = array_merge(
|
|
array(
|
|
'after'=> null,
|
|
'model' => $this->defaultModel(),
|
|
'separator' => ' | ',
|
|
),
|
|
(array)$options);
|
|
|
|
$params = array_merge(array('page'=> 1), (array)$this->params($options['model']));
|
|
unset($options['model']);
|
|
|
|
if ($params['pageCount'] <= 1) {
|
|
return false;
|
|
}
|
|
extract($options);
|
|
unset($options['after'], $options['model'], $options['separator']);
|
|
|
|
$out = '';
|
|
|
|
if (is_int($first) && $params['page'] > $first) {
|
|
if ($after === null) {
|
|
$after = '...';
|
|
}
|
|
for ($i = 1; $i <= $first; $i++) {
|
|
$out .= '<span>' . $this->link($i, array('page' => $i), $options) . '</span>';
|
|
if ($i != $first) {
|
|
$out .= $separator;
|
|
}
|
|
}
|
|
$out .= $after;
|
|
} elseif ($params['page'] > 1) {
|
|
$out = '<span>' . $this->link($first, array('page' => 1), $options) . '</span>' . $after;
|
|
}
|
|
return $out;
|
|
}
|
|
/**
|
|
* Returns a last or set of numbers for the last pages
|
|
*
|
|
* @param mixed $last if string use as label for the link, if numeric print page numbers
|
|
* @param mixed $options
|
|
* @return string numbers string.
|
|
*/
|
|
function last($last = 'last >>', $options = array()) {
|
|
$options = array_merge(
|
|
array(
|
|
'before'=> null,
|
|
'model' => $this->defaultModel(),
|
|
'separator' => ' | ',
|
|
),
|
|
(array)$options);
|
|
|
|
$params = array_merge(array('page'=> 1), (array)$this->params($options['model']));
|
|
unset($options['model']);
|
|
|
|
if ($params['pageCount'] <= 1) {
|
|
return false;
|
|
}
|
|
|
|
extract($options);
|
|
unset($options['before'], $options['model'], $options['separator']);
|
|
|
|
$out = '';
|
|
$lower = $params['pageCount'] - $last + 1;
|
|
|
|
if (is_int($last) && $params['page'] < $lower) {
|
|
if ($before === null) {
|
|
$before = '...';
|
|
}
|
|
for ($i = $lower; $i <= $params['pageCount']; $i++) {
|
|
$out .= '<span>' . $this->link($i, array('page' => $i), $options) . '</span>';
|
|
if ($i != $params['pageCount']) {
|
|
$out .= $separator;
|
|
}
|
|
}
|
|
$out = $before . $out;
|
|
} elseif ($params['page'] < $params['pageCount']) {
|
|
$out = $before . '<span>' . $this->link($last, array('page' => $params['pageCount']), $options) . '</span>';
|
|
}
|
|
return $out;
|
|
}
|
|
}
|
|
?>
|