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95 lines
2.7 KiB
95 lines
2.7 KiB
13 years ago
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\widgets;
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use yii\base\InvalidConfigException;
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use yii\helpers\Html;
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use yii\base\Widget;
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use yii\web\Pagination;
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/**
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* ListPager displays a drop-down list that contains options leading to different pages.
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*
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* ListPager works with a [[Pagination]] object which specifies the totally number
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* of pages and the current page number.
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*
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* Note that ListPager requires JavaScript to work. You should consider using [[LinkPager]]
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* if you want to make your page work without JavaScript.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class ListPager extends Widget
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{
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/**
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* @var Pagination the pagination object that this pager is associated with.
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* You must set this property in order to make ListPager work.
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*/
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public $pagination;
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/**
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* @var array HTML attributes for the drop-down list tag. The following options are specially handled:
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*
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* - prompt: string, a prompt text to be displayed as the first option.
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*
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* The rest of the options will be rendered as the attributes of the resulting tag. The values will
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* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
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*/
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public $options = array();
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/**
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* @var string the template used to render the label for each list option.
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* The token "{page}" will be replaced with the actual page number (1-based).
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*/
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public $template = '{page}';
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/**
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* Initializes the pager.
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*/
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public function init()
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{
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if ($this->pagination === null) {
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throw new InvalidConfigException('The "pagination" property must be set.');
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}
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}
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/**
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* Executes the widget.
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* This overrides the parent implementation by displaying the generated page buttons.
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*/
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public function run()
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{
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$pageCount = $this->pagination->pageCount;
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$currentPage = $this->pagination->getPage();
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$pages = array();
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for ($i = 0; $i < $pageCount; ++$i) {
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$pages[$this->pagination->createUrl($i)] = $this->generatePageText($i);
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}
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$selection = $this->pagination->createUrl($currentPage);
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if (!isset($this->options['onchange'])) {
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$this->options['onchange'] = "if(this.value!='') {window.location=this.value;};";
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}
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echo Html::dropDownList(null, $selection, $pages, $this->options);
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}
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/**
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* Generates the label of the list option for the specified page number.
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* You may override this method to customize the option display.
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* @param integer $page zero-based page number
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* @return string the list option for the page number
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*/
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protected function generatePageText($page)
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{
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return strtr($this->template, array(
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'{page}' => $page + 1,
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));
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}
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}
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