128 lines
3.4 KiB
PHP
128 lines
3.4 KiB
PHP
<?php
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/**
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* CPortlet class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CPortlet is the base class for portlet widgets.
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*
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* A portlet displays a fragment of content, usually in terms of a block
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* on the side bars of a Web page.
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*
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* To specify the content of the portlet, override the {@link renderContent}
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* method, or insert the content code between the {@link CController::beginWidget}
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* and {@link CController::endWidget} calls. For example,
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*
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* <pre>
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* <?php $this->beginWidget('zii.widgets.CPortlet'); ?>
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* ...insert content here...
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* <?php $this->endWidget(); ?>
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* </pre>
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*
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* A portlet also has an optional {@link title}. One may also override {@link renderDecoration}
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* to further customize the decorative display of a portlet (e.g. adding min/max buttons).
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package zii.widgets
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* @since 1.1
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*/
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class CPortlet extends CWidget
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{
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/**
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* @var string the tag name for the portlet container tag. Defaults to 'div'.
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*/
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public $tagName='div';
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/**
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* @var array the HTML attributes for the portlet container tag.
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*/
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public $htmlOptions=array('class'=>'portlet');
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/**
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* @var string the title of the portlet. Defaults to null.
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* When this is not set, Decoration will not be displayed.
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* Note that the title will not be HTML-encoded when rendering.
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*/
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public $title;
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/**
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* @var string the CSS class for the decoration container tag. Defaults to 'portlet-decoration'.
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*/
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public $decorationCssClass='portlet-decoration';
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/**
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* @var string the CSS class for the portlet title tag. Defaults to 'portlet-title'.
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*/
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public $titleCssClass='portlet-title';
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/**
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* @var string the CSS class for the content container tag. Defaults to 'portlet-content'.
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*/
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public $contentCssClass='portlet-content';
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/**
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* @var boolean whether to hide the portlet when the body content is empty. Defaults to true.
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* @since 1.1.4
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*/
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public $hideOnEmpty=true;
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private $_openTag;
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/**
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* Initializes the widget.
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* This renders the open tags needed by the portlet.
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* It also renders the decoration, if any.
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*/
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public function init()
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{
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ob_start();
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ob_implicit_flush(false);
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if(isset($this->htmlOptions['id']))
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$this->id=$this->htmlOptions['id'];
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else
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$this->htmlOptions['id']=$this->id;
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echo CHtml::openTag($this->tagName,$this->htmlOptions)."\n";
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$this->renderDecoration();
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echo "<div class=\"{$this->contentCssClass}\">\n";
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$this->_openTag=ob_get_contents();
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ob_clean();
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}
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/**
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* Renders the content of the portlet.
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*/
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public function run()
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{
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$this->renderContent();
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$content=ob_get_clean();
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if($this->hideOnEmpty && trim($content)==='')
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return;
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echo $this->_openTag;
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echo $content;
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echo "</div>\n";
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echo CHtml::closeTag($this->tagName);
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}
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/**
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* Renders the decoration for the portlet.
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* The default implementation will render the title if it is set.
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*/
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protected function renderDecoration()
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{
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if($this->title!==null)
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{
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echo "<div class=\"{$this->decorationCssClass}\">\n";
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echo "<div class=\"{$this->titleCssClass}\">{$this->title}</div>\n";
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echo "</div>\n";
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}
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}
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/**
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* Renders the content of the portlet.
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* Child classes should override this method to render the actual content.
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*/
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protected function renderContent()
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{
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}
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} |