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CHtml.php
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CHtml.php
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<?php
/**
* CHtml class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright © 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CHtml is a static class that provides a collection of helper methods for creating HTML views.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id$
* @package system.web.helpers
* @since 1.0
*/
class CHtml
{
const ID_PREFIX='yt';
/**
* @var string the CSS class for displaying error summaries (see {@link errorSummary}).
*/
public static $errorSummaryCss='errorSummary';
/**
* @var string the CSS class for displaying error messages (see {@link error}).
*/
public static $errorMessageCss='errorMessage';
/**
* @var string the CSS class for highlighting error inputs. Form inputs will be appended
* with this CSS class if they have input errors.
*/
public static $errorCss='error';
/**
* @var string the CSS class for required labels. Defaults to 'required'.
* @see label
*/
public static $requiredCss='required';
/**
* @var string the HTML code to be prepended to the required label.
* @see label
*/
public static $beforeRequiredLabel='';
/**
* @var string the HTML code to be appended to the required label.
* @see label
*/
public static $afterRequiredLabel=' <span class="required">*</span>';
/**
* @var integer the counter for generating automatic input field names.
*/
public static $count=0;
/**
* Sets the default style for attaching jQuery event handlers.
*
* If set to true (default), live/delegated style is used. Event handlers
* are attached to the document body and can process events from descendant
* elements that are added to the document at a later time.
*
* If set to false, direct style is used. Event handlers are attached directly
* to the DOM element, that must already exist on the page. Elements injected
* into the page at a later time will not be processed.
*
* You can override this setting for a particular element by setting the htmlOptions live attribute
* (see {@link clientChange}).
*
* For more information about attaching jQuery event handler see {@link http://api.jquery.com/on/}
* @since 1.1.9
* @see clientChange
*/
public static $liveEvents = true;
/**
* Encodes special characters into HTML entities.
* The {@link CApplication::charset application charset} will be used for encoding.
* @param string $text data to be encoded
* @return string the encoded data
* @see http://www.php.net/manual/en/function.htmlspecialchars.php
*/
public static function encode($text)
{
return htmlspecialchars($text,ENT_QUOTES,Yii::app()->charset);
}
/**
* Decodes special HTML entities back to the corresponding characters.
* This is the opposite of {@link encode()}.
* @param string $text data to be decoded
* @return string the decoded data
* @see http://www.php.net/manual/en/function.htmlspecialchars-decode.php
* @since 1.1.8
*/
public static function decode($text)
{
return htmlspecialchars_decode($text,ENT_QUOTES);
}
/**
* Encodes special characters in an array of strings into HTML entities.
* Both the array keys and values will be encoded if needed.
* If a value is an array, this method will also encode it recursively.
* The {@link CApplication::charset application charset} will be used for encoding.
* @param array $data data to be encoded
* @return array the encoded data
* @see http://www.php.net/manual/en/function.htmlspecialchars.php
*/
public static function encodeArray($data)
{
$d=array();
foreach($data as $key=>$value)
{
if(is_string($key))
$key=htmlspecialchars($key,ENT_QUOTES,Yii::app()->charset);
if(is_string($value))
$value=htmlspecialchars($value,ENT_QUOTES,Yii::app()->charset);
else if(is_array($value))
$value=self::encodeArray($value);
$d[$key]=$value;
}
return $d;
}
/**
* Generates an HTML element.
* @param string $tag the tag name
* @param array $htmlOptions the element attributes. The values will be HTML-encoded using {@link encode()}.
* If an 'encode' attribute is given and its value is false,
* the rest of the attribute values will NOT be HTML-encoded.
* Since version 1.1.5, attributes whose value is null will not be rendered.
* @param mixed $content the content to be enclosed between open and close element tags. It will not be HTML-encoded.
* If false, it means there is no body content.
* @param boolean $closeTag whether to generate the close tag.
* @return string the generated HTML element tag
*/
public static function tag($tag,$htmlOptions=array(),$content=false,$closeTag=true)
{
$html='<' . $tag . self::renderAttributes($htmlOptions);
if($content===false)
return $closeTag ? $html.' />' : $html.'>';
else
return $closeTag ? $html.'>'.$content.'</'.$tag.'>' : $html.'>'.$content;
}
/**
* Generates an open HTML element.
* @param string $tag the tag name
* @param array $htmlOptions the element attributes. The values will be HTML-encoded using {@link encode()}.
* If an 'encode' attribute is given and its value is false,
* the rest of the attribute values will NOT be HTML-encoded.
* Since version 1.1.5, attributes whose value is null will not be rendered.
* @return string the generated HTML element tag
*/
public static function openTag($tag,$htmlOptions=array())
{
return '<' . $tag . self::renderAttributes($htmlOptions) . '>';
}
/**
* Generates a close HTML element.
* @param string $tag the tag name
* @return string the generated HTML element tag
*/
public static function closeTag($tag)
{
return '</'.$tag.'>';
}
/**
* Encloses the given string within a CDATA tag.
* @param string $text the string to be enclosed
* @return string the CDATA tag with the enclosed content.
*/
public static function cdata($text)
{
return '<![CDATA[' . $text . ']]>';
}
/**
* Generates a meta tag that can be inserted in the head section of HTML page.
* @param string $content content attribute of the meta tag
* @param string $name name attribute of the meta tag. If null, the attribute will not be generated
* @param string $httpEquiv http-equiv attribute of the meta tag. If null, the attribute will not be generated
* @param array $options other options in name-value pairs (e.g. 'scheme', 'lang')
* @return string the generated meta tag
*/
public static function metaTag($content,$name=null,$httpEquiv=null,$options=array())
{
if($name!==null)
$options['name']=$name;
if($httpEquiv!==null)
$options['http-equiv']=$httpEquiv;
$options['content']=$content;
return self::tag('meta',$options);
}
/**
* Generates a link tag that can be inserted in the head section of HTML page.
* Do not confuse this method with {@link link()}. The latter generates a hyperlink.
* @param string $relation rel attribute of the link tag. If null, the attribute will not be generated.
* @param string $type type attribute of the link tag. If null, the attribute will not be generated.
* @param string $href href attribute of the link tag. If null, the attribute will not be generated.
* @param string $media media attribute of the link tag. If null, the attribute will not be generated.
* @param array $options other options in name-value pairs
* @return string the generated link tag
*/
public static function linkTag($relation=null,$type=null,$href=null,$media=null,$options=array())
{
if($relation!==null)
$options['rel']=$relation;
if($type!==null)
$options['type']=$type;
if($href!==null)
$options['href']=$href;
if($media!==null)
$options['media']=$media;
return self::tag('link',$options);
}
/**
* Encloses the given CSS content with a CSS tag.
* @param string $text the CSS content
* @param string $media the media that this CSS should apply to.
* @return string the CSS properly enclosed
*/
public static function css($text,$media='')
{
if($media!=='')
$media=' media="'.$media.'"';
return "<style type=\"text/css\"{$media}>\n/*<![CDATA[*/\n{$text}\n/*]]>*/\n</style>";
}
/**
* Registers a 'refresh' meta tag.
* This method can be invoked anywhere in a view. It will register a 'refresh'
* meta tag with {@link CClientScript} so that the page can be refreshed in
* the specified seconds.
* @param integer $seconds the number of seconds to wait before refreshing the page
* @param string $url the URL to which the page should be redirected to. If empty, it means the current page.
* @since 1.1.1
*/
public static function refresh($seconds, $url='')
{
$content="$seconds";
if($url!=='')
$content.=';'.self::normalizeUrl($url);
Yii::app()->clientScript->registerMetaTag($content,null,'refresh');
}
/**
* Links to the specified CSS file.
* @param string $url the CSS URL
* @param string $media the media that this CSS should apply to.
* @return string the CSS link.
*/
public static function cssFile($url,$media='')
{
if($media!=='')
$media=' media="'.$media.'"';
return '<link rel="stylesheet" type="text/css" href="'.self::encode($url).'"'.$media.' />';
}
/**
* Encloses the given JavaScript within a script tag.
* @param string $text the JavaScript to be enclosed
* @return string the enclosed JavaScript
*/
public static function script($text)
{
return "<script type=\"text/javascript\">\n/*<![CDATA[*/\n{$text}\n/*]]>*/\n</script>";
}
/**
* Includes a JavaScript file.
* @param string $url URL for the JavaScript file
* @return string the JavaScript file tag
*/
public static function scriptFile($url)
{
return '<script type="text/javascript" src="'.self::encode($url).'"></script>';
}
/**
* Generates an opening form tag.
* This is a shortcut to {@link beginForm}.
* @param mixed $action the form action URL (see {@link normalizeUrl} for details about this parameter.)
* @param string $method form method (e.g. post, get)
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated form tag.
*/
public static function form($action='',$method='post',$htmlOptions=array())
{
return self::beginForm($action,$method,$htmlOptions);
}
/**
* Generates an opening form tag.
* Note, only the open tag is generated. A close tag should be placed manually
* at the end of the form.
* @param mixed $action the form action URL (see {@link normalizeUrl} for details about this parameter.)
* @param string $method form method (e.g. post, get)
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated form tag.
* @see endForm
*/
public static function beginForm($action='',$method='post',$htmlOptions=array())
{
$htmlOptions['action']=$url=self::normalizeUrl($action);
$htmlOptions['method']=$method;
$form=self::tag('form',$htmlOptions,false,false);
$hiddens=array();
if(!strcasecmp($method,'get') && ($pos=strpos($url,'?'))!==false)
{
foreach(explode('&',substr($url,$pos+1)) as $pair)
{
if(($pos=strpos($pair,'='))!==false)
$hiddens[]=self::hiddenField(urldecode(substr($pair,0,$pos)),urldecode(substr($pair,$pos+1)),array('id'=>false));
}
}
$request=Yii::app()->request;
if($request->enableCsrfValidation && !strcasecmp($method,'post'))
$hiddens[]=self::hiddenField($request->csrfTokenName,$request->getCsrfToken(),array('id'=>false));
if($hiddens!==array())
$form.="\n".self::tag('div',array('style'=>'display:none'),implode("\n",$hiddens));
return $form;
}
/**
* Generates a closing form tag.
* @return string the generated tag
* @see beginForm
*/
public static function endForm()
{
return '</form>';
}
/**
* Generates a stateful form tag.
* A stateful form tag is similar to {@link form} except that it renders an additional
* hidden field for storing persistent page states. You should use this method to generate
* a form tag if you want to access persistent page states when the form is submitted.
* @param mixed $action the form action URL (see {@link normalizeUrl} for details about this parameter.)
* @param string $method form method (e.g. post, get)
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated form tag.
*/
public static function statefulForm($action='',$method='post',$htmlOptions=array())
{
return self::form($action,$method,$htmlOptions)."\n".
self::tag('div',array('style'=>'display:none'),self::pageStateField(''));
}
/**
* Generates a hidden field for storing persistent page states.
* This method is internally used by {@link statefulForm}.
* @param string $value the persistent page states in serialized format
* @return string the generated hidden field
*/
public static function pageStateField($value)
{
return '<input type="hidden" name="'.CController::STATE_INPUT_NAME.'" value="'.$value.'" />';
}
/**
* Generates a hyperlink tag.
* @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code such as an image tag.
* @param mixed $url a URL or an action route that can be used to create a URL.
* See {@link normalizeUrl} for more details about how to specify this parameter.
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated hyperlink
* @see normalizeUrl
* @see clientChange
*/
public static function link($text,$url='#',$htmlOptions=array())
{
if($url!=='')
$htmlOptions['href']=self::normalizeUrl($url);
self::clientChange('click',$htmlOptions);
return self::tag('a',$htmlOptions,$text);
}
/**
* Generates a mailto link.
* @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code such as an image tag.
* @param string $email email address. If this is empty, the first parameter (link body) will be treated as the email address.
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated mailto link
* @see clientChange
*/
public static function mailto($text,$email='',$htmlOptions=array())
{
if($email==='')
$email=$text;
return self::link($text,'mailto:'.$email,$htmlOptions);
}
/**
* Generates an image tag.
* @param string $src the image URL
* @param string $alt the alternative text display
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated image tag
*/
public static function image($src,$alt='',$htmlOptions=array())
{
$htmlOptions['src']=$src;
$htmlOptions['alt']=$alt;
return self::tag('img',$htmlOptions);
}
/**
* Generates a button.
* @param string $label the button label
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function button($label='button',$htmlOptions=array())
{
if(!isset($htmlOptions['name']))
{
if(!array_key_exists('name',$htmlOptions))
$htmlOptions['name']=self::ID_PREFIX.self::$count++;
}
if(!isset($htmlOptions['type']))
$htmlOptions['type']='button';
if(!isset($htmlOptions['value']))
$htmlOptions['value']=$label;
self::clientChange('click',$htmlOptions);
return self::tag('input',$htmlOptions);
}
/**
* Generates a button using HTML button tag.
* This method is similar to {@link button} except that it generates a 'button'
* tag instead of 'input' tag.
* @param string $label the button label. Note that this value will be directly inserted in the button element
* without being HTML-encoded.
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function htmlButton($label='button',$htmlOptions=array())
{
if(!isset($htmlOptions['name']))
$htmlOptions['name']=self::ID_PREFIX.self::$count++;
if(!isset($htmlOptions['type']))
$htmlOptions['type']='button';
self::clientChange('click',$htmlOptions);
return self::tag('button',$htmlOptions,$label);
}
/**
* Generates a submit button.
* @param string $label the button label
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function submitButton($label='submit',$htmlOptions=array())
{
$htmlOptions['type']='submit';
return self::button($label,$htmlOptions);
}
/**
* Generates a reset button.
* @param string $label the button label
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function resetButton($label='reset',$htmlOptions=array())
{
$htmlOptions['type']='reset';
return self::button($label,$htmlOptions);
}
/**
* Generates an image submit button.
* @param string $src the image URL
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function imageButton($src,$htmlOptions=array())
{
$htmlOptions['src']=$src;
$htmlOptions['type']='image';
return self::button('submit',$htmlOptions);
}
/**
* Generates a link submit button.
* @param string $label the button label
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button tag
* @see clientChange
*/
public static function linkButton($label='submit',$htmlOptions=array())
{
if(!isset($htmlOptions['submit']))
$htmlOptions['submit']=isset($htmlOptions['href']) ? $htmlOptions['href'] : '';
return self::link($label,'#',$htmlOptions);
}
/**
* Generates a label tag.
* @param string $label label text. Note, you should HTML-encode the text if needed.
* @param string $for the ID of the HTML element that this label is associated with.
* If this is false, the 'for' attribute for the label tag will not be rendered.
* @param array $htmlOptions additional HTML attributes.
* The following HTML option is recognized:
* <ul>
* <li>required: if this is set and is true, the label will be styled
* with CSS class 'required' (customizable with CHtml::$requiredCss),
* and be decorated with {@link CHtml::beforeRequiredLabel} and
* {@link CHtml::afterRequiredLabel}.</li>
* </ul>
* @return string the generated label tag
*/
public static function label($label,$for,$htmlOptions=array())
{
if($for===false)
unset($htmlOptions['for']);
else
$htmlOptions['for']=$for;
if(isset($htmlOptions['required']))
{
if($htmlOptions['required'])
{
if(isset($htmlOptions['class']))
$htmlOptions['class'].=' '.self::$requiredCss;
else
$htmlOptions['class']=self::$requiredCss;
$label=self::$beforeRequiredLabel.$label.self::$afterRequiredLabel;
}
unset($htmlOptions['required']);
}
return self::tag('label',$htmlOptions,$label);
}
/**
* Generates a text field input.
* @param string $name the input name
* @param string $value the input value
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated input field
* @see clientChange
* @see inputField
*/
public static function textField($name,$value='',$htmlOptions=array())
{
self::clientChange('change',$htmlOptions);
return self::inputField('text',$name,$value,$htmlOptions);
}
/**
* Generates a hidden input.
* @param string $name the input name
* @param string $value the input value
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated input field
* @see inputField
*/
public static function hiddenField($name,$value='',$htmlOptions=array())
{
return self::inputField('hidden',$name,$value,$htmlOptions);
}
/**
* Generates a password field input.
* @param string $name the input name
* @param string $value the input value
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated input field
* @see clientChange
* @see inputField
*/
public static function passwordField($name,$value='',$htmlOptions=array())
{
self::clientChange('change',$htmlOptions);
return self::inputField('password',$name,$value,$htmlOptions);
}
/**
* Generates a file input.
* Note, you have to set the enclosing form's 'enctype' attribute to be 'multipart/form-data'.
* After the form is submitted, the uploaded file information can be obtained via $_FILES[$name] (see
* PHP documentation).
* @param string $name the input name
* @param string $value the input value
* @param array $htmlOptions additional HTML attributes (see {@link tag}).
* @return string the generated input field
* @see inputField
*/
public static function fileField($name,$value='',$htmlOptions=array())
{
return self::inputField('file',$name,$value,$htmlOptions);
}
/**
* Generates a text area input.
* @param string $name the input name
* @param string $value the input value
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated text area
* @see clientChange
* @see inputField
*/
public static function textArea($name,$value='',$htmlOptions=array())
{
$htmlOptions['name']=$name;
if(!isset($htmlOptions['id']))
$htmlOptions['id']=self::getIdByName($name);
else if($htmlOptions['id']===false)
unset($htmlOptions['id']);
self::clientChange('change',$htmlOptions);
return self::tag('textarea',$htmlOptions,isset($htmlOptions['encode']) && !$htmlOptions['encode'] ? $value : self::encode($value));
}
/**
* Generates a radio button.
* @param string $name the input name
* @param boolean $checked whether the radio button is checked
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* Since version 1.1.2, a special option named 'uncheckValue' is available that can be used to specify
* the value returned when the radio button is not checked. When set, a hidden field is rendered so that
* when the radio button is not checked, we can still obtain the posted uncheck value.
* If 'uncheckValue' is not set or set to NULL, the hidden field will not be rendered.
* @return string the generated radio button
* @see clientChange
* @see inputField
*/
public static function radioButton($name,$checked=false,$htmlOptions=array())
{
if($checked)
$htmlOptions['checked']='checked';
else
unset($htmlOptions['checked']);
$value=isset($htmlOptions['value']) ? $htmlOptions['value'] : 1;
self::clientChange('click',$htmlOptions);
if(array_key_exists('uncheckValue',$htmlOptions))
{
$uncheck=$htmlOptions['uncheckValue'];
unset($htmlOptions['uncheckValue']);
}
else
$uncheck=null;
if($uncheck!==null)
{
// add a hidden field so that if the radio button is not selected, it still submits a value
if(isset($htmlOptions['id']) && $htmlOptions['id']!==false)
$uncheckOptions=array('id'=>self::ID_PREFIX.$htmlOptions['id']);
else
$uncheckOptions=array('id'=>false);
$hidden=self::hiddenField($name,$uncheck,$uncheckOptions);
}
else
$hidden='';
// add a hidden field so that if the radio button is not selected, it still submits a value
return $hidden . self::inputField('radio',$name,$value,$htmlOptions);
}
/**
* Generates a check box.
* @param string $name the input name
* @param boolean $checked whether the check box is checked
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* Since version 1.1.2, a special option named 'uncheckValue' is available that can be used to specify
* the value returned when the checkbox is not checked. When set, a hidden field is rendered so that
* when the checkbox is not checked, we can still obtain the posted uncheck value.
* If 'uncheckValue' is not set or set to NULL, the hidden field will not be rendered.
* @return string the generated check box
* @see clientChange
* @see inputField
*/
public static function checkBox($name,$checked=false,$htmlOptions=array())
{
if($checked)
$htmlOptions['checked']='checked';
else
unset($htmlOptions['checked']);
$value=isset($htmlOptions['value']) ? $htmlOptions['value'] : 1;
self::clientChange('click',$htmlOptions);
if(array_key_exists('uncheckValue',$htmlOptions))
{
$uncheck=$htmlOptions['uncheckValue'];
unset($htmlOptions['uncheckValue']);
}
else
$uncheck=null;
if($uncheck!==null)
{
// add a hidden field so that if the radio button is not selected, it still submits a value
if(isset($htmlOptions['id']) && $htmlOptions['id']!==false)
$uncheckOptions=array('id'=>self::ID_PREFIX.$htmlOptions['id']);
else
$uncheckOptions=array('id'=>false);
$hidden=self::hiddenField($name,$uncheck,$uncheckOptions);
}
else
$hidden='';
// add a hidden field so that if the checkbox is not selected, it still submits a value
return $hidden . self::inputField('checkbox',$name,$value,$htmlOptions);
}
/**
* Generates a drop down list.
* @param string $name the input name
* @param string $select the selected value
* @param array $data data for generating the list options (value=>display).
* You may use {@link listData} to generate this data.
* Please refer to {@link listOptions} on how this data is used to generate the list options.
* Note, the values and labels will be automatically HTML-encoded by this method.
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are recognized. See {@link clientChange} and {@link tag} for more details.
* In addition, the following options are also supported specifically for dropdown list:
* <ul>
* <li>encode: boolean, specifies whether to encode the values. Defaults to true.</li>
* <li>prompt: string, specifies the prompt text shown as the first list option. Its value is empty. Note, the prompt text will NOT be HTML-encoded.</li>
* <li>empty: string, specifies the text corresponding to empty selection. Its value is empty.
* The 'empty' option can also be an array of value-label pairs.
* Each pair will be used to render a list option at the beginning. Note, the text label will NOT be HTML-encoded.</li>
* <li>options: array, specifies additional attributes for each OPTION tag.
* The array keys must be the option values, and the array values are the extra
* OPTION tag attributes in the name-value pairs. For example,
* <pre>
* array(
* 'value1'=>array('disabled'=>true, 'label'=>'value 1'),
* 'value2'=>array('label'=>'value 2'),
* );
* </pre>
* </li>
* </ul>
* @return string the generated drop down list
* @see clientChange
* @see inputField
* @see listData
*/
public static function dropDownList($name,$select,$data,$htmlOptions=array())
{
$htmlOptions['name']=$name;
if(!isset($htmlOptions['id']))
$htmlOptions['id']=self::getIdByName($name);
else if($htmlOptions['id']===false)
unset($htmlOptions['id']);
self::clientChange('change',$htmlOptions);
$options="\n".self::listOptions($select,$data,$htmlOptions);
return self::tag('select',$htmlOptions,$options);
}
/**
* Generates a list box.
* @param string $name the input name
* @param mixed $select the selected value(s). This can be either a string for single selection or an array for multiple selections.
* @param array $data data for generating the list options (value=>display)
* You may use {@link listData} to generate this data.
* Please refer to {@link listOptions} on how this data is used to generate the list options.
* Note, the values and labels will be automatically HTML-encoded by this method.
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized. See {@link clientChange} and {@link tag} for more details.
* In addition, the following options are also supported specifically for list box:
* <ul>
* <li>encode: boolean, specifies whether to encode the values. Defaults to true.</li>
* <li>prompt: string, specifies the prompt text shown as the first list option. Its value is empty. Note, the prompt text will NOT be HTML-encoded.</li>
* <li>empty: string, specifies the text corresponding to empty selection. Its value is empty.
* The 'empty' option can also be an array of value-label pairs.
* Each pair will be used to render a list option at the beginning. Note, the text label will NOT be HTML-encoded.</li>
* <li>options: array, specifies additional attributes for each OPTION tag.
* The array keys must be the option values, and the array values are the extra
* OPTION tag attributes in the name-value pairs. For example,
* <pre>
* array(
* 'value1'=>array('disabled'=>true, 'label'=>'value 1'),
* 'value2'=>array('label'=>'value 2'),
* );
* </pre>
* </li>
* </ul>
* @return string the generated list box
* @see clientChange
* @see inputField
* @see listData
*/
public static function listBox($name,$select,$data,$htmlOptions=array())
{
if(!isset($htmlOptions['size']))
$htmlOptions['size']=4;
if(isset($htmlOptions['multiple']))
{
if(substr($name,-2)!=='[]')
$name.='[]';
}
return self::dropDownList($name,$select,$data,$htmlOptions);
}
/**
* Generates a check box list.
* A check box list allows multiple selection, like {@link listBox}.
* As a result, the corresponding POST value is an array.
* @param string $name name of the check box list. You can use this name to retrieve
* the selected value(s) once the form is submitted.
* @param mixed $select selection of the check boxes. This can be either a string
* for single selection or an array for multiple selections.
* @param array $data value-label pairs used to generate the check box list.
* Note, the values will be automatically HTML-encoded, while the labels will not.
* @param array $htmlOptions addtional HTML options. The options will be applied to
* each checkbox input. The following special options are recognized:
* <ul>
* <li>template: string, specifies how each checkbox is rendered. Defaults
* to "{input} {label}", where "{input}" will be replaced by the generated
* check box input tag while "{label}" be replaced by the corresponding check box label.</li>
* <li>separator: string, specifies the string that separates the generated check boxes.</li>
* <li>checkAll: string, specifies the label for the "check all" checkbox.
* If this option is specified, a 'check all' checkbox will be displayed. Clicking on
* this checkbox will cause all checkboxes checked or unchecked.</li>
* <li>checkAllLast: boolean, specifies whether the 'check all' checkbox should be
* displayed at the end of the checkbox list. If this option is not set (default)
* or is false, the 'check all' checkbox will be displayed at the beginning of
* the checkbox list.</li>
* <li>labelOptions: array, specifies the additional HTML attributes to be rendered
* for every label tag in the list.</li>
* </ul>
* @return string the generated check box list
*/
public static function checkBoxList($name,$select,$data,$htmlOptions=array())
{
$template=isset($htmlOptions['template'])?$htmlOptions['template']:'{input} {label}';
$separator=isset($htmlOptions['separator'])?$htmlOptions['separator']:"<br/>\n";
unset($htmlOptions['template'],$htmlOptions['separator']);
if(substr($name,-2)!=='[]')
$name.='[]';
if(isset($htmlOptions['checkAll']))
{
$checkAllLabel=$htmlOptions['checkAll'];
$checkAllLast=isset($htmlOptions['checkAllLast']) && $htmlOptions['checkAllLast'];
}
unset($htmlOptions['checkAll'],$htmlOptions['checkAllLast']);
$labelOptions=isset($htmlOptions['labelOptions'])?$htmlOptions['labelOptions']:array();
unset($htmlOptions['labelOptions']);
$items=array();
$baseID=self::getIdByName($name);
$id=0;
$checkAll=true;
foreach($data as $value=>$label)
{
$checked=!is_array($select) && !strcmp($value,$select) || is_array($select) && in_array($value,$select);
$checkAll=$checkAll && $checked;
$htmlOptions['value']=$value;
$htmlOptions['id']=$baseID.'_'.$id++;
$option=self::checkBox($name,$checked,$htmlOptions);
$label=self::label($label,$htmlOptions['id'],$labelOptions);
$items[]=strtr($template,array('{input}'=>$option,'{label}'=>$label));
}
if(isset($checkAllLabel))
{
$htmlOptions['value']=1;
$htmlOptions['id']=$id=$baseID.'_all';
$option=self::checkBox($id,$checkAll,$htmlOptions);
$label=self::label($checkAllLabel,$id,$labelOptions);
$item=strtr($template,array('{input}'=>$option,'{label}'=>$label));
if($checkAllLast)
$items[]=$item;
else
array_unshift($items,$item);
$name=strtr($name,array('['=>'\\[',']'=>'\\]'));
$js=<<<EOD
$('#$id').click(function() {
$("input[name='$name']").prop('checked', this.checked);
});
$("input[name='$name']").click(function() {
$('#$id').prop('checked', !$("input[name='$name']:not(:checked)").length);
});
$('#$id').prop('checked', !$("input[name='$name']:not(:checked)").length);
EOD;
$cs=Yii::app()->getClientScript();
$cs->registerCoreScript('jquery');
$cs->registerScript($id,$js);
}
return self::tag('span',array('id'=>$baseID),implode($separator,$items));
}
/**
* Generates a radio button list.
* A radio button list is like a {@link checkBoxList check box list}, except that
* it only allows single selection.
* @param string $name name of the radio button list. You can use this name to retrieve
* the selected value(s) once the form is submitted.
* @param string $select selection of the radio buttons.
* @param array $data value-label pairs used to generate the radio button list.
* Note, the values will be automatically HTML-encoded, while the labels will not.
* @param array $htmlOptions addtional HTML options. The options will be applied to
* each radio button input. The following special options are recognized:
* <ul>
* <li>template: string, specifies how each radio button is rendered. Defaults
* to "{input} {label}", where "{input}" will be replaced by the generated
* radio button input tag while "{label}" will be replaced by the corresponding radio button label.</li>
* <li>separator: string, specifies the string that separates the generated radio buttons. Defaults to new line (<br/>).</li>
* <li>labelOptions: array, specifies the additional HTML attributes to be rendered
* for every label tag in the list.</li>
* </ul>
* @return string the generated radio button list
*/
public static function radioButtonList($name,$select,$data,$htmlOptions=array())
{
$template=isset($htmlOptions['template'])?$htmlOptions['template']:'{input} {label}';
$separator=isset($htmlOptions['separator'])?$htmlOptions['separator']:"<br/>\n";
unset($htmlOptions['template'],$htmlOptions['separator']);
$labelOptions=isset($htmlOptions['labelOptions'])?$htmlOptions['labelOptions']:array();
unset($htmlOptions['labelOptions']);
$items=array();
$baseID=self::getIdByName($name);
$id=0;
foreach($data as $value=>$label)
{
$checked=!strcmp($value,$select);
$htmlOptions['value']=$value;
$htmlOptions['id']=$baseID.'_'.$id++;
$option=self::radioButton($name,$checked,$htmlOptions);
$label=self::label($label,$htmlOptions['id'],$labelOptions);
$items[]=strtr($template,array('{input}'=>$option,'{label}'=>$label));
}
return self::tag('span',array('id'=>$baseID),implode($separator,$items));
}
/**
* Generates a link that can initiate AJAX requests.
* @param string $text the link body (it will NOT be HTML-encoded.)
* @param mixed $url the URL for the AJAX request. If empty, it is assumed to be the current URL. See {@link normalizeUrl} for more details.
* @param array $ajaxOptions AJAX options (see {@link ajax})
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated link
* @see normalizeUrl
* @see ajax
*/
public static function ajaxLink($text,$url,$ajaxOptions=array(),$htmlOptions=array())
{
if(!isset($htmlOptions['href']))
$htmlOptions['href']='#';
$ajaxOptions['url']=$url;
$htmlOptions['ajax']=$ajaxOptions;
self::clientChange('click',$htmlOptions);
return self::tag('a',$htmlOptions,$text);
}
/**
* Generates a push button that can initiate AJAX requests.
* @param string $label the button label
* @param mixed $url the URL for the AJAX request. If empty, it is assumed to be the current URL. See {@link normalizeUrl} for more details.
* @param array $ajaxOptions AJAX options (see {@link ajax})
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special
* attributes are also recognized (see {@link clientChange} and {@link tag} for more details.)
* @return string the generated button
*/
public static function ajaxButton($label,$url,$ajaxOptions=array(),$htmlOptions=array())
{
$ajaxOptions['url']=$url;
$htmlOptions['ajax']=$ajaxOptions;
return self::button($label,$htmlOptions);
}
/**
* Generates a push button that can submit the current form in POST method.
* @param string $label the button label
* @param mixed $url the URL for the AJAX request. If empty, it is assumed to be the current URL. See {@link normalizeUrl} for more details.
* @param array $ajaxOptions AJAX options (see {@link ajax})
* @param array $htmlOptions additional HTML attributes. Besides normal HTML attributes, a few special