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CTextHighlighter

Package system.web.widgets
Inheritance class CTextHighlighter » COutputProcessor » CFilterWidget » CWidget » CBaseController » CComponent
Implements IFilter
Since 1.0
Version $Id: CTextHighlighter.php 483 2009-01-07 03:39:08Z qiang.xue $
CTextHighlighter does syntax highlighting for its body content.

The language of the syntax to be applied is specified via language property. Currently, CTextHighlighter supports the following languages: ABAP, CPP, CSS, DIFF, DTD, HTML, JAVA, JAVASCRIPT, MYSQL, PERL, PHP, PYTHON, RUBY, SQL, XML. By setting showLineNumbers to true, the highlighted result may be shown with line numbers.

Public Properties

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PropertyTypeDescriptionDefined By
actionPrefix string the prefix to the IDs of the actions. CWidget
containerOptions array the HTML attributes to be applied to the container element. CTextHighlighter
controller CController the controller that this widget belongs to. CWidget
cssFile mixed the CSS file used for the widget. CTextHighlighter
id string id of the widget. CWidget
isFilter boolean whether this widget is used as a filter. CFilterWidget
language string the language whose syntax is to be used for highlighting. CTextHighlighter
lineNumberStyle string the style of line number display. CTextHighlighter
owner CBaseController owner/creator of this widget. CWidget
showLineNumbers boolean whether to show line numbers in the highlighted result. CTextHighlighter
stopAction boolean whether to stop the action execution when this widget is used as a filter. CFilterWidget
tabSize integer tab size. CTextHighlighter
viewPath string Returns the directory containing the view files for this widget. CWidget

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. CComponent
__construct() Constructor. CFilterWidget
__get() Returns a property value, an event handler list or a behavior based on its name. CComponent
__isset() Checks if a property value is null. CComponent
__set() Sets value of a component property. CComponent
__unset() Sets a component property to be null. CComponent
actions() Returns a list of actions that are used by this widget. CWidget
asa() Returns the named behavior object. CComponent
attachBehavior() Attaches a behavior to this component. CComponent
attachBehaviors() Attaches a list of behaviors to the component. CComponent
attachEventHandler() Attaches an event handler to an event. CComponent
beginCache() Begins fragment caching. CBaseController
beginClip() Begins recording a clip. CBaseController
beginContent() Begins the rendering of content that is to be decorated by the specified view. CBaseController
beginWidget() Creates a widget and executes it. CBaseController
canGetProperty() Determines whether a property can be read. CComponent
canSetProperty() Determines whether a property can be set. CComponent
createWidget() Creates a widget and initializes it. CBaseController
detachBehavior() Detaches a behavior from the component. CComponent
detachBehaviors() Detaches all behaviors from the component. CComponent
detachEventHandler() Detaches an existing event handler. CComponent
disableBehavior() Disables an attached behavior. CComponent
disableBehaviors() Disables all behaviors attached to this component. CComponent
enableBehavior() Enables an attached behavior. CComponent
enableBehaviors() Enables all behaviors attached to this component. CComponent
endCache() Ends fragment caching. CBaseController
endClip() Ends recording a clip. CBaseController
endContent() Ends the rendering of content. CBaseController
endWidget() Ends the execution of the named widget. CBaseController
filter() Performs the filtering. CFilterWidget
getController() CWidget
getEventHandlers() Returns the list of attached event handlers for an event. CComponent
getId() CWidget
getIsFilter() CFilterWidget
getOwner() CWidget
getViewFile() Looks for the view script file according to the view name. CWidget
getViewPath() Returns the directory containing the view files for this widget. CWidget
hasEvent() Determines whether an event is defined. CComponent
hasEventHandler() Checks whether the named event has attached handlers. CComponent
hasProperty() Determines whether a property is defined. CComponent
highlight() Highlights the content by the syntax of the specified language. CTextHighlighter
init() Initializes the widget. COutputProcessor
onProcessOutput() Raised when the output has been captured. COutputProcessor
processOutput() Processes the captured output. CTextHighlighter
raiseEvent() Raises an event. CComponent
registerClientScript() Registers the needed CSS and JavaScript. CTextHighlighter
registerCssFile() Registers the needed CSS file. CTextHighlighter
render() Renders a view. CWidget
renderFile() Renders a view file. CBaseController
renderInternal() Renders a view file. CBaseController
run() Executes the widget. COutputProcessor
setId() CWidget
widget() Creates a widget and executes it. CBaseController

Events

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EventDescriptionDefined By
onProcessOutput Raised when the output has been captured. COutputProcessor

Property Details

containerOptions property
public array $containerOptions;

the HTML attributes to be applied to the container element. The highlighted content is contained in a DIV element.

cssFile property
public mixed $cssFile;

the CSS file used for the widget. Defaults to null, meaning using the default CSS file included together with the widget. If false, no CSS file will be used. Otherwise, the specified CSS file will be included when using this widget.

language property
public string $language;

the language whose syntax is to be used for highlighting. Valid values are those file names (without suffix) that are contained in 'vendors/TextHighlighter/Text/Highlighter'. Currently, the following languages are supported: ABAP, CPP, CSS, DIFF, DTD, HTML, JAVA, JAVASCRIPT, MYSQL, PERL, PHP, PYTHON, RUBY, SQL, XML If a language is not supported, it will be displayed as plain text. Language names are case-insensitive.

lineNumberStyle property
public string $lineNumberStyle;

the style of line number display. It can be either 'list' or 'table'. Defaults to 'list'.

See Also

showLineNumbers property
public boolean $showLineNumbers;

whether to show line numbers in the highlighted result. Defaults to false.

See Also

tabSize property
public integer $tabSize;

tab size. Defaults to 4.

Method Details

highlight() method
public string highlight(string $content)
$content string the content to be highlighted.
{return} string the highlighted content

Highlights the content by the syntax of the specified language.

processOutput() method
public void processOutput(string $output)
$output string the captured output to be processed

Processes the captured output. This method highlights the output according to the syntax of the specified language.

registerClientScript() method (available since v1.0.1)
public void registerClientScript()

Registers the needed CSS and JavaScript.

registerCssFile() method (available since v1.0.2)
public static void registerCssFile(string $url=NULL)
$url string the CSS URL. If null, a default CSS URL will be used.

Registers the needed CSS file.

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