* @link http://www.pradosoft.com/ * @copyright Copyright © 2005 Wei Zhuo * @license http://www.pradosoft.com/license/ * @version $Id$ * @package System.Web.UI.WebControls */ Prado::using('System.3rdParty.TextHighlighter.Text.Highlighter',false); Prado::using('System.3rdParty.TextHighlighter.Text.Highlighter.Renderer.Html',false); Prado::using('System.Web.UI.WebControls.TTextProcessor'); /** * TTextHighlighter class. * * TTextHighlighter does syntax highlighting its body content, including * static text and rendering results of child controls. * You can set {@link setLanguage Language} to specify what kind of syntax * the body content is. Currently, TTextHighlighter supports the following * languages: ABAP, CPP, CSS, DIFF, DTD, HTML, JAVA, JAVASCRIPT, MYSQL, PERL, * PHP, PYTHON, RUBY, SQL, XML and PRADO, where PRADO refers to PRADO template * syntax. By setting {@link setShowLineNumbers ShowLineNumbers} * to true, the highlighted result may be shown with line numbers. * * Note, TTextHighlighter requires {@link THead} to be placed on the page template * because it needs to insert some CSS styles. * * @author Wei Zhuo * @version $Id$ * @package System.Web.UI.WebControls * @since 3.0 */ class TTextHighlighter extends TTextProcessor { private static $_lineNumberStyle=array(TTextHighlighterLineNumberStyle::Li => HL_NUMBERS_LI, TTextHighlighterLineNumberStyle::Table => HL_NUMBERS_TABLE); /** * @return string tag name of the panel */ protected function getTagName() { return 'div'; } /** * @return string language whose syntax is to be used for highlighting. Defaults to 'php'. */ public function getLanguage() { return $this->getViewState('Language', 'php'); } /** * @param string language (case-insensitive) whose syntax is to be used for highlighting. * Valid values are those file names (without suffix) that are contained * in '3rdParty/TextHighlighter/Text/Highlighter'. Currently, the following languages are supported: * ABAP, CPP, CSS, DIFF, DTD, HTML, JAVA, JAVASCRIPT, * MYSQL, PERL, PHP, PRADO, PYTHON, RUBY, SQL, XML * If a language is not supported, it will be displayed as plain text. */ public function setLanguage($value) { $this->setViewState('Language', $value, 'php'); } /** * @return boolean whether to show line numbers in the highlighted result. */ public function getShowLineNumbers() { return $this->getViewState('ShowLineNumbers', false); } /** * @param boolean whether to show line numbers in the highlighted result. */ public function setShowLineNumbers($value) { $this->setViewState('ShowLineNumbers', TPropertyValue::ensureBoolean($value), false); } /** * @return boolean true will show "Copy Code" link. Defaults to false. */ public function getEnableCopyCode() { return $this->getViewState('CopyCode', false); } /** * @param boolean true to show the "Copy Code" link. */ public function setEnableCopyCode($value) { $this->setViewState('CopyCode', TPropertyValue::ensureBoolean($value), false); } /** * @return TTextHighlighterLineNumberStyle style of row number, Table by default */ public function getLineNumberStyle() { return $this->getViewState('LineNumberStyle', TTextHighlighterLineNumberStyle::Table); } /** * @param TTextHighlighterLineNumberStyle style of row number */ public function setLineNumberStyle($value) { $this->setViewState('LineNumberStyle', TPropertyValue::ensureEnum($value,'TTextHighlighterLineNumberStyle')); } /** * @return integer tab size. Defaults to 4. */ public function getTabSize() { return $this->getViewState('TabSize', 4); } /** * @param integer tab size */ public function setTabSize($value) { $this->setViewState('TabSize', TPropertyValue::ensureInteger($value)); } /** * Registers css style for the highlighted result. * This method overrides parent implementation. * @param THtmlWriter writer */ public function onPreRender($writer) { parent::onPreRender($writer); $this->registerStyleSheet(); $this->getPage()->getClientScript()->registerPradoScript('prado'); } /** * Registers the stylesheet for presentation. */ protected function registerStyleSheet() { $cs=$this->getPage()->getClientScript(); $cssFile=Prado::getPathOfNamespace('System.3rdParty.TextHighlighter.highlight','.css'); $cssKey='prado:TTextHighlighter:'.$cssFile; if(!$cs->isStyleSheetFileRegistered($cssKey)) $cs->registerStyleSheetFile($cssKey, $this->publishFilePath($cssFile)); } /** * Processes a text string. * This method is required by the parent class. * @param string text string to be processed * @return string the processed text result */ public function processText($text) { try { $highlighter=Text_Highlighter::factory($this->getLanguage()); } catch(Exception $e) { $highlighter=false; } if($highlighter===false) return ('
'.htmlentities(trim($text)).'
'); $options["use_language"]=true; $options["tabsize"] = $this->getTabSize(); if ($this->getShowLineNumbers()) $options["numbers"] = self::$_lineNumberStyle[$this->getLineNumberStyle()]; $highlighter->setRenderer(new Text_Highlighter_Renderer_Html($options)); return $highlighter->highlight(trim($text)); } /** * @return string header template with "Copy code" link. */ protected function getHeaderTemplate() { $id = $this->getClientID(); return TJavaScript::renderScriptBlock("new Prado.WebUI.TTextHighlighter('{$id}');"); } } class TTextHighlighterLineNumberStyle extends TEnumerable { const Li='Li'; const Table='Table'; } ?>