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981 lines
40 KiB
981 lines
40 KiB
<?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\helpers\base; |
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use Yii; |
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use yii\base\InvalidParamException; |
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|
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/** |
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* Html provides a set of static methods for generating commonly used HTML tags. |
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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 Html |
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{ |
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/** |
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* @var boolean whether to close void (empty) elements. Defaults to true. |
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* @see voidElements |
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*/ |
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public static $closeVoidElements = true; |
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/** |
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* @var array list of void elements (element name => 1) |
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* @see closeVoidElements |
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* @see http://www.w3.org/TR/html-markup/syntax.html#void-element |
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*/ |
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public static $voidElements = array( |
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'area' => 1, |
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'base' => 1, |
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'br' => 1, |
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'col' => 1, |
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'command' => 1, |
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'embed' => 1, |
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'hr' => 1, |
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'img' => 1, |
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'input' => 1, |
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'keygen' => 1, |
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'link' => 1, |
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'meta' => 1, |
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'param' => 1, |
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'source' => 1, |
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'track' => 1, |
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'wbr' => 1, |
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); |
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/** |
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* @var boolean whether to show the values of boolean attributes in element tags. |
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* If false, only the attribute names will be generated. |
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* @see booleanAttributes |
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*/ |
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public static $showBooleanAttributeValues = true; |
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/** |
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* @var array list of boolean attributes. The presence of a boolean attribute on |
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* an element represents the true value, and the absence of the attribute represents the false value. |
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* @see showBooleanAttributeValues |
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* @see http://www.w3.org/TR/html5/infrastructure.html#boolean-attributes |
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*/ |
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public static $booleanAttributes = array( |
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'async' => 1, |
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'autofocus' => 1, |
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'autoplay' => 1, |
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'checked' => 1, |
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'controls' => 1, |
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'declare' => 1, |
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'default' => 1, |
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'defer' => 1, |
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'disabled' => 1, |
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'formnovalidate' => 1, |
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'hidden' => 1, |
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'ismap' => 1, |
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'loop' => 1, |
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'multiple' => 1, |
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'muted' => 1, |
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'nohref' => 1, |
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'noresize' => 1, |
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'novalidate' => 1, |
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'open' => 1, |
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'readonly' => 1, |
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'required' => 1, |
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'reversed' => 1, |
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'scoped' => 1, |
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'seamless' => 1, |
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'selected' => 1, |
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'typemustmatch' => 1, |
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); |
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/** |
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* @var array the preferred order of attributes in a tag. This mainly affects the order of the attributes |
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* that are rendered by [[renderAttributes()]]. |
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*/ |
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public static $attributeOrder = array( |
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'type', |
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'id', |
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'class', |
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'name', |
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'value', |
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'href', |
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'src', |
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'action', |
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'method', |
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'selected', |
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'checked', |
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'readonly', |
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'disabled', |
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'multiple', |
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'size', |
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'maxlength', |
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'width', |
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'height', |
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'rows', |
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'cols', |
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'alt', |
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'title', |
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'rel', |
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'media', |
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); |
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/** |
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* Encodes special characters into HTML entities. |
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* The [[yii\base\Application::charset|application charset]] will be used for encoding. |
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* @param string $content the content to be encoded |
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* @return string the encoded content |
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* @see decode |
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* @see http://www.php.net/manual/en/function.htmlspecialchars.php |
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*/ |
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public static function encode($content) |
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{ |
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return htmlspecialchars($content, ENT_QUOTES, Yii::$app->charset); |
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} |
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/** |
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* Decodes special HTML entities back to the corresponding characters. |
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* This is the opposite of [[encode()]]. |
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* @param string $content the content to be decoded |
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* @return string the decoded content |
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* @see encode |
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* @see http://www.php.net/manual/en/function.htmlspecialchars-decode.php |
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*/ |
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public static function decode($content) |
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{ |
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return htmlspecialchars_decode($content, ENT_QUOTES); |
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} |
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/** |
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* Generates a complete HTML tag. |
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* @param string $name the tag name |
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* @param string $content the content to be enclosed between the start and end tags. It will not be HTML-encoded. |
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* If this is coming from end users, you should consider [[encode()]] it to prevent XSS attacks. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated HTML tag |
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* @see beginTag |
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* @see endTag |
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*/ |
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public static function tag($name, $content = '', $options = array()) |
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{ |
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$html = '<' . $name . static::renderTagAttributes($options); |
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if (isset(static::$voidElements[strtolower($name)])) { |
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return $html . (static::$closeVoidElements ? ' />' : '>'); |
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} else { |
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return $html . ">$content</$name>"; |
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} |
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} |
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/** |
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* Generates a start tag. |
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* @param string $name the tag name |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated start tag |
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* @see endTag |
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* @see tag |
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*/ |
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public static function beginTag($name, $options = array()) |
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{ |
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return '<' . $name . static::renderTagAttributes($options) . '>'; |
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} |
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/** |
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* Generates an end tag. |
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* @param string $name the tag name |
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* @return string the generated end tag |
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* @see beginTag |
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* @see tag |
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*/ |
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public static function endTag($name) |
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{ |
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return "</$name>"; |
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} |
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/** |
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* Encloses the given content within a CDATA tag. |
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* @param string $content the content to be enclosed within the CDATA tag |
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* @return string the CDATA tag with the enclosed content. |
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*/ |
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public static function cdata($content) |
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{ |
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return '<![CDATA[' . $content . ']]>'; |
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} |
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/** |
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* Generates a style tag. |
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* @param string $content the style content |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* If the options does not contain "type", a "type" attribute with value "text/css" will be used. |
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* @return string the generated style tag |
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*/ |
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public static function style($content, $options = array()) |
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{ |
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if (!isset($options['type'])) { |
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$options['type'] = 'text/css'; |
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} |
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return static::tag('style', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options); |
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} |
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/** |
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* Generates a script tag. |
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* @param string $content the script content |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* If the options does not contain "type", a "type" attribute with value "text/javascript" will be rendered. |
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* @return string the generated script tag |
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*/ |
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public static function script($content, $options = array()) |
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{ |
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if (!isset($options['type'])) { |
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$options['type'] = 'text/javascript'; |
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} |
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return static::tag('script', "/*<![CDATA[*/\n{$content}\n/*]]>*/", $options); |
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} |
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/** |
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* Generates a link tag that refers to an external CSS file. |
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* @param array|string $url the URL of the external CSS file. This parameter will be processed by [[url()]]. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated link tag |
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* @see url |
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*/ |
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public static function cssFile($url, $options = array()) |
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{ |
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$options['rel'] = 'stylesheet'; |
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$options['type'] = 'text/css'; |
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$options['href'] = static::url($url); |
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return static::tag('link', '', $options); |
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} |
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/** |
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* Generates a script tag that refers to an external JavaScript file. |
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* @param string $url the URL of the external JavaScript file. This parameter will be processed by [[url()]]. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated script tag |
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* @see url |
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*/ |
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public static function jsFile($url, $options = array()) |
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{ |
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$options['type'] = 'text/javascript'; |
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$options['src'] = static::url($url); |
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return static::tag('script', '', $options); |
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} |
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/** |
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* Generates a form start tag. |
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* @param array|string $action the form action URL. This parameter will be processed by [[url()]]. |
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* @param string $method the form submission method, either "post" or "get" (case-insensitive) |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated form start tag. |
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* @see endForm |
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*/ |
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public static function beginForm($action = '', $method = 'post', $options = array()) |
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{ |
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$action = static::url($action); |
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// query parameters in the action are ignored for GET method |
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// we use hidden fields to add them back |
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$hiddens = array(); |
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if (!strcasecmp($method, 'get') && ($pos = strpos($action, '?')) !== false) { |
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foreach (explode('&', substr($action, $pos + 1)) as $pair) { |
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if (($pos1 = strpos($pair, '=')) !== false) { |
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$hiddens[] = static::hiddenInput(urldecode(substr($pair, 0, $pos1)), urldecode(substr($pair, $pos1 + 1))); |
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} else { |
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$hiddens[] = static::hiddenInput(urldecode($pair), ''); |
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} |
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} |
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$action = substr($action, 0, $pos); |
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} |
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$options['action'] = $action; |
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$options['method'] = $method; |
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$form = static::beginTag('form', $options); |
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if ($hiddens !== array()) { |
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$form .= "\n" . implode("\n", $hiddens); |
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} |
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return $form; |
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} |
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/** |
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* Generates a form end tag. |
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* @return string the generated tag |
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* @see beginForm |
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*/ |
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public static function endForm() |
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{ |
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return '</form>'; |
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} |
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|
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/** |
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* Generates a hyperlink tag. |
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* @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code |
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* such as an image tag. If this is is coming from end users, you should consider [[encode()]] |
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* it to prevent XSS attacks. |
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* @param array|string|null $url the URL for the hyperlink tag. This parameter will be processed by [[url()]] |
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* and will be used for the "href" attribute of the tag. If this parameter is null, the "href" attribute |
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* will not be generated. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated hyperlink |
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* @see url |
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*/ |
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public static function a($text, $url = null, $options = array()) |
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{ |
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if ($url !== null) { |
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$options['href'] = static::url($url); |
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} |
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return static::tag('a', $text, $options); |
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} |
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/** |
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* Generates a mailto hyperlink. |
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* @param string $text link body. It will NOT be HTML-encoded. Therefore you can pass in HTML code |
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* such as an image tag. If this is is coming from end users, you should consider [[encode()]] |
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* it to prevent XSS attacks. |
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* @param string $email email address. If this is null, the first parameter (link body) will be treated |
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* as the email address and used. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated mailto link |
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*/ |
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public static function mailto($text, $email = null, $options = array()) |
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{ |
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return static::a($text, 'mailto:' . ($email === null ? $text : $email), $options); |
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} |
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/** |
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* Generates an image tag. |
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* @param string $src the image URL. This parameter will be processed by [[url()]]. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated image tag |
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*/ |
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public static function img($src, $options = array()) |
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{ |
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$options['src'] = static::url($src); |
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if (!isset($options['alt'])) { |
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$options['alt'] = ''; |
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} |
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return static::tag('img', null, $options); |
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} |
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/** |
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* Generates a label tag. |
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* @param string $content label text. It will NOT be HTML-encoded. Therefore you can pass in HTML code |
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* such as an image tag. If this is is coming from end users, you should consider [[encode()]] |
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* it to prevent XSS attacks. |
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* @param string $for the ID of the HTML element that this label is associated with. |
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* If this is null, the "for" attribute will not be generated. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated label tag |
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*/ |
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public static function label($content, $for = null, $options = array()) |
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{ |
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$options['for'] = $for; |
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return static::tag('label', $content, $options); |
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} |
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/** |
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* Generates a button tag. |
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* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. |
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* Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, |
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* you should consider [[encode()]] it to prevent XSS attacks. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* If the options does not contain "type", a "type" attribute with value "button" will be rendered. |
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* @return string the generated button tag |
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*/ |
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public static function button($name = null, $value = null, $content = 'Button', $options = array()) |
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{ |
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$options['name'] = $name; |
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$options['value'] = $value; |
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if (!isset($options['type'])) { |
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$options['type'] = 'button'; |
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} |
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return static::tag('button', $content, $options); |
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} |
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/** |
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* Generates a submit button tag. |
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* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. |
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* Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, |
|
* you should consider [[encode()]] it to prevent XSS attacks. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated submit button tag |
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*/ |
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public static function submitButton($name = null, $value = null, $content = 'Submit', $options = array()) |
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{ |
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$options['type'] = 'submit'; |
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return static::button($name, $value, $content, $options); |
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} |
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|
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/** |
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* Generates a reset button tag. |
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* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param string $content the content enclosed within the button tag. It will NOT be HTML-encoded. |
|
* Therefore you can pass in HTML code such as an image tag. If this is is coming from end users, |
|
* you should consider [[encode()]] it to prevent XSS attacks. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated reset button tag |
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*/ |
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public static function resetButton($name = null, $value = null, $content = 'Reset', $options = array()) |
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{ |
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$options['type'] = 'reset'; |
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return static::button($name, $value, $content, $options); |
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} |
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|
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/** |
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* Generates an input type of the given type. |
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* @param string $type the type attribute. |
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* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
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* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated input tag |
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*/ |
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public static function input($type, $name = null, $value = null, $options = array()) |
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{ |
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$options['type'] = $type; |
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$options['name'] = $name; |
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$options['value'] = $value; |
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return static::tag('input', null, $options); |
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} |
|
|
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/** |
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* Generates an input button. |
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* @param string $name the name attribute. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
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* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated button tag |
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*/ |
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public static function buttonInput($name, $value = 'Button', $options = array()) |
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{ |
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return static::input('button', $name, $value, $options); |
|
} |
|
|
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/** |
|
* Generates a submit input button. |
|
* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
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* @return string the generated button tag |
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*/ |
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public static function submitInput($name = null, $value = 'Submit', $options = array()) |
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{ |
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return static::input('submit', $name, $value, $options); |
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} |
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|
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/** |
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* Generates a reset input button. |
|
* @param string $name the name attribute. If it is null, the name attribute will not be generated. |
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* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
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* @param array $options the attributes of the button tag. The values will be HTML-encoded using [[encode()]]. |
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* Attributes whose value is null will be ignored and not put in the tag returned. |
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* @return string the generated button tag |
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*/ |
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public static function resetInput($name = null, $value = 'Reset', $options = array()) |
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{ |
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return static::input('reset', $name, $value, $options); |
|
} |
|
|
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/** |
|
* Generates a text input field. |
|
* @param string $name the name attribute. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
|
* @return string the generated button tag |
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*/ |
|
public static function textInput($name, $value = null, $options = array()) |
|
{ |
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return static::input('text', $name, $value, $options); |
|
} |
|
|
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/** |
|
* Generates a hidden input field. |
|
* @param string $name the name attribute. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
|
* @return string the generated button tag |
|
*/ |
|
public static function hiddenInput($name, $value = null, $options = array()) |
|
{ |
|
return static::input('hidden', $name, $value, $options); |
|
} |
|
|
|
/** |
|
* Generates a password input field. |
|
* @param string $name the name attribute. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
|
* @return string the generated button tag |
|
*/ |
|
public static function passwordInput($name, $value = null, $options = array()) |
|
{ |
|
return static::input('password', $name, $value, $options); |
|
} |
|
|
|
/** |
|
* Generates a file input field. |
|
* To use a file input field, you should 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 name attribute. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be generated. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
|
* @return string the generated button tag |
|
*/ |
|
public static function fileInput($name, $value = null, $options = array()) |
|
{ |
|
return static::input('file', $name, $value, $options); |
|
} |
|
|
|
/** |
|
* Generates a text area input. |
|
* @param string $name the input name |
|
* @param string $value the input value. Note that it will be encoded using [[encode()]]. |
|
* @param array $options the tag options in terms of name-value pairs. These will be rendered as |
|
* the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]]. |
|
* If a value is null, the corresponding attribute will not be rendered. |
|
* @return string the generated text area tag |
|
*/ |
|
public static function textarea($name, $value = '', $options = array()) |
|
{ |
|
$options['name'] = $name; |
|
return static::tag('textarea', static::encode($value), $options); |
|
} |
|
|
|
/** |
|
* Generates a radio button input. |
|
* @param string $name the name attribute. |
|
* @param boolean $checked whether the radio button should be checked. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be rendered. |
|
* @param array $options the tag options in terms of name-value pairs. The following options are supported: |
|
* |
|
* - uncheck: string, the value associated with the uncheck state of the radio button. When this attribute |
|
* is present, a hidden input will be generated so that if the radio button is not checked and is submitted, |
|
* the value of this attribute will still be submitted to the server via the hidden input. |
|
* |
|
* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
|
* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
|
* |
|
* @return string the generated radio button tag |
|
*/ |
|
public static function radio($name, $checked = false, $value = '1', $options = array()) |
|
{ |
|
$options['checked'] = $checked; |
|
$options['value'] = $value; |
|
if (isset($options['uncheck'])) { |
|
// add a hidden field so that if the radio button is not selected, it still submits a value |
|
$hidden = static::hiddenInput($name, $options['uncheck']); |
|
unset($options['uncheck']); |
|
} else { |
|
$hidden = ''; |
|
} |
|
return $hidden . static::input('radio', $name, $value, $options); |
|
} |
|
|
|
/** |
|
* Generates a checkbox input. |
|
* @param string $name the name attribute. |
|
* @param boolean $checked whether the checkbox should be checked. |
|
* @param string $value the value attribute. If it is null, the value attribute will not be rendered. |
|
* @param array $options the tag options in terms of name-value pairs. The following options are supported: |
|
* |
|
* - uncheck: string, the value associated with the uncheck state of the checkbox. When this attribute |
|
* is present, a hidden input will be generated so that if the checkbox is not checked and is submitted, |
|
* the value of this attribute will still be submitted to the server via the hidden input. |
|
* |
|
* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
|
* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
|
* |
|
* @return string the generated checkbox tag |
|
*/ |
|
public static function checkbox($name, $checked = false, $value = '1', $options = array()) |
|
{ |
|
$options['checked'] = $checked; |
|
$options['value'] = $value; |
|
if (isset($options['uncheck'])) { |
|
// add a hidden field so that if the checkbox is not selected, it still submits a value |
|
$hidden = static::hiddenInput($name, $options['uncheck']); |
|
unset($options['uncheck']); |
|
} else { |
|
$hidden = ''; |
|
} |
|
return $hidden . static::input('checkbox', $name, $value, $options); |
|
} |
|
|
|
/** |
|
* Generates a drop-down list. |
|
* @param string $name the input name |
|
* @param string $selection the selected value |
|
* @param array $items the option data items. The array keys are option values, and the array values |
|
* are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). |
|
* For each sub-array, an option group will be generated whose label is the key associated with the sub-array. |
|
* If you have a list of data models, you may convert them into the format described above using |
|
* [[\yii\helpers\ArrayHelper::map()]]. |
|
* |
|
* Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in |
|
* the labels will also be HTML-encoded. |
|
* @param array $options the tag options in terms of name-value pairs. The following options are supported: |
|
* |
|
* - prompt: string, a prompt text to be displayed as the first option; |
|
* - options: array, the attributes for the select option tags. The array keys must be valid option values, |
|
* and the array values are the extra attributes for the corresponding option tags. For example, |
|
* |
|
* ~~~ |
|
* array( |
|
* 'value1' => array('disabled' => true), |
|
* 'value2' => array('label' => 'value 2'), |
|
* ); |
|
* ~~~ |
|
* |
|
* - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', |
|
* except that the array keys represent the optgroup labels specified in $items. |
|
* |
|
* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
|
* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
|
* |
|
* @return string the generated drop-down list tag |
|
*/ |
|
public static function dropDownList($name, $selection = null, $items = array(), $options = array()) |
|
{ |
|
$options['name'] = $name; |
|
$selectOptions = static::renderSelectOptions($selection, $items, $options); |
|
return static::tag('select', "\n" . $selectOptions . "\n", $options); |
|
} |
|
|
|
/** |
|
* Generates a list box. |
|
* @param string $name the input name |
|
* @param string|array $selection the selected value(s) |
|
* @param array $items the option data items. The array keys are option values, and the array values |
|
* are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). |
|
* For each sub-array, an option group will be generated whose label is the key associated with the sub-array. |
|
* If you have a list of data models, you may convert them into the format described above using |
|
* [[\yii\helpers\ArrayHelper::map()]]. |
|
* |
|
* Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in |
|
* the labels will also be HTML-encoded. |
|
* @param array $options the tag options in terms of name-value pairs. The following options are supported: |
|
* |
|
* - prompt: string, a prompt text to be displayed as the first option; |
|
* - options: array, the attributes for the select option tags. The array keys must be valid option values, |
|
* and the array values are the extra attributes for the corresponding option tags. For example, |
|
* |
|
* ~~~ |
|
* array( |
|
* 'value1' => array('disabled' => true), |
|
* 'value2' => array('label' => 'value 2'), |
|
* ); |
|
* ~~~ |
|
* |
|
* - groups: array, the attributes for the optgroup tags. The structure of this is similar to that of 'options', |
|
* except that the array keys represent the optgroup labels specified in $items. |
|
* - unselect: string, the value that will be submitted when no option is selected. |
|
* When this attribute is set, a hidden field will be generated so that if no option is selected in multiple |
|
* mode, we can still obtain the posted unselect value. |
|
* |
|
* The rest of the options will be rendered as the attributes of the resulting tag. The values will |
|
* be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered. |
|
* |
|
* @return string the generated list box tag |
|
*/ |
|
public static function listBox($name, $selection = null, $items = array(), $options = array()) |
|
{ |
|
if (!isset($options['size'])) { |
|
$options['size'] = 4; |
|
} |
|
if (isset($options['multiple']) && $options['multiple'] && substr($name, -2) !== '[]') { |
|
$name .= '[]'; |
|
} |
|
$options['name'] = $name; |
|
if (isset($options['unselect'])) { |
|
// add a hidden field so that if the list box has no option being selected, it still submits a value |
|
if (substr($name, -2) === '[]') { |
|
$name = substr($name, 0, -2); |
|
} |
|
$hidden = static::hiddenInput($name, $options['unselect']); |
|
unset($options['unselect']); |
|
} else { |
|
$hidden = ''; |
|
} |
|
$selectOptions = static::renderSelectOptions($selection, $items, $options); |
|
return $hidden . static::tag('select', "\n" . $selectOptions . "\n", $options); |
|
} |
|
|
|
/** |
|
* Generates a list of checkboxes. |
|
* A checkbox list allows multiple selection, like [[listBox()]]. |
|
* As a result, the corresponding submitted value is an array. |
|
* @param string $name the name attribute of each checkbox. |
|
* @param string|array $selection the selected value(s). |
|
* @param array $items the data item used to generate the checkboxes. |
|
* The array keys are the labels, while the array values are the corresponding checkbox values. |
|
* Note that the labels will NOT be HTML-encoded, while the values will. |
|
* @param array $options options (name => config) for the checkbox list. The following options are supported: |
|
* |
|
* - unselect: string, the value that should be submitted when none of the checkboxes is selected. |
|
* By setting this option, a hidden input will be generated. |
|
* - separator: string, the HTML code that separates items. |
|
* - item: callable, a callback that can be used to customize the generation of the HTML code |
|
* corresponding to a single item in $items. The signature of this callback must be: |
|
* |
|
* ~~~ |
|
* function ($index, $label, $name, $checked, $value) |
|
* ~~~ |
|
* |
|
* where $index is the zero-based index of the checkbox in the whole list; $label |
|
* is the label for the checkbox; and $name, $value and $checked represent the name, |
|
* value and the checked status of the checkbox input. |
|
* @return string the generated checkbox list |
|
*/ |
|
public static function checkboxList($name, $selection = null, $items = array(), $options = array()) |
|
{ |
|
if (substr($name, -2) !== '[]') { |
|
$name .= '[]'; |
|
} |
|
|
|
$formatter = isset($options['item']) ? $options['item'] : null; |
|
$lines = array(); |
|
$index = 0; |
|
foreach ($items as $value => $label) { |
|
$checked = $selection !== null && |
|
(!is_array($selection) && !strcmp($value, $selection) |
|
|| is_array($selection) && in_array($value, $selection)); |
|
if ($formatter !== null) { |
|
$lines[] = call_user_func($formatter, $index, $label, $name, $checked, $value); |
|
} else { |
|
$lines[] = static::label(static::checkbox($name, $checked, $value) . ' ' . $label); |
|
} |
|
$index++; |
|
} |
|
|
|
if (isset($options['unselect'])) { |
|
// add a hidden field so that if the list box has no option being selected, it still submits a value |
|
$name2 = substr($name, -2) === '[]' ? substr($name, 0, -2) : $name; |
|
$hidden = static::hiddenInput($name2, $options['unselect']); |
|
} else { |
|
$hidden = ''; |
|
} |
|
$separator = isset($options['separator']) ? $options['separator'] : "\n"; |
|
|
|
return $hidden . implode($separator, $lines); |
|
} |
|
|
|
/** |
|
* Generates a list of radio buttons. |
|
* A radio button list is like a checkbox list, except that it only allows single selection. |
|
* @param string $name the name attribute of each radio button. |
|
* @param string|array $selection the selected value(s). |
|
* @param array $items the data item used to generate the radio buttons. |
|
* The array keys are the labels, while the array values are the corresponding radio button values. |
|
* Note that the labels will NOT be HTML-encoded, while the values will. |
|
* @param array $options options (name => config) for the radio button list. The following options are supported: |
|
* |
|
* - unselect: string, the value that should be submitted when none of the radio buttons is selected. |
|
* By setting this option, a hidden input will be generated. |
|
* - separator: string, the HTML code that separates items. |
|
* - item: callable, a callback that can be used to customize the generation of the HTML code |
|
* corresponding to a single item in $items. The signature of this callback must be: |
|
* |
|
* ~~~ |
|
* function ($index, $label, $name, $checked, $value) |
|
* ~~~ |
|
* |
|
* where $index is the zero-based index of the radio button in the whole list; $label |
|
* is the label for the radio button; and $name, $value and $checked represent the name, |
|
* value and the checked status of the radio button input. |
|
* @return string the generated radio button list |
|
*/ |
|
public static function radioList($name, $selection = null, $items = array(), $options = array()) |
|
{ |
|
$formatter = isset($options['item']) ? $options['item'] : null; |
|
$lines = array(); |
|
$index = 0; |
|
foreach ($items as $value => $label) { |
|
$checked = $selection !== null && |
|
(!is_array($selection) && !strcmp($value, $selection) |
|
|| is_array($selection) && in_array($value, $selection)); |
|
if ($formatter !== null) { |
|
$lines[] = call_user_func($formatter, $index, $label, $name, $checked, $value); |
|
} else { |
|
$lines[] = static::label(static::radio($name, $checked, $value) . ' ' . $label); |
|
} |
|
$index++; |
|
} |
|
|
|
$separator = isset($options['separator']) ? $options['separator'] : "\n"; |
|
if (isset($options['unselect'])) { |
|
// add a hidden field so that if the list box has no option being selected, it still submits a value |
|
$hidden = static::hiddenInput($name, $options['unselect']); |
|
} else { |
|
$hidden = ''; |
|
} |
|
|
|
return $hidden . implode($separator, $lines); |
|
} |
|
|
|
/** |
|
* Renders the option tags that can be used by [[dropDownList()]] and [[listBox()]]. |
|
* @param string|array $selection the selected value(s). This can be either a string for single selection |
|
* or an array for multiple selections. |
|
* @param array $items the option data items. The array keys are option values, and the array values |
|
* are the corresponding option labels. The array can also be nested (i.e. some array values are arrays too). |
|
* For each sub-array, an option group will be generated whose label is the key associated with the sub-array. |
|
* If you have a list of data models, you may convert them into the format described above using |
|
* [[\yii\helpers\ArrayHelper::map()]]. |
|
* |
|
* Note, the values and labels will be automatically HTML-encoded by this method, and the blank spaces in |
|
* the labels will also be HTML-encoded. |
|
* @param array $tagOptions the $options parameter that is passed to the [[dropDownList()]] or [[listBox()]] call. |
|
* This method will take out these elements, if any: "prompt", "options" and "groups". See more details |
|
* in [[dropDownList()]] for the explanation of these elements. |
|
* |
|
* @return string the generated list options |
|
*/ |
|
public static function renderSelectOptions($selection, $items, &$tagOptions = array()) |
|
{ |
|
$lines = array(); |
|
if (isset($tagOptions['prompt'])) { |
|
$prompt = str_replace(' ', ' ', static::encode($tagOptions['prompt'])); |
|
$lines[] = static::tag('option', $prompt, array('value' => '')); |
|
} |
|
|
|
$options = isset($tagOptions['options']) ? $tagOptions['options'] : array(); |
|
$groups = isset($tagOptions['groups']) ? $tagOptions['groups'] : array(); |
|
unset($tagOptions['prompt'], $tagOptions['options'], $tagOptions['groups']); |
|
|
|
foreach ($items as $key => $value) { |
|
if (is_array($value)) { |
|
$groupAttrs = isset($groups[$key]) ? $groups[$key] : array(); |
|
$groupAttrs['label'] = $key; |
|
$attrs = array('options' => $options, 'groups' => $groups); |
|
$content = static::renderSelectOptions($selection, $value, $attrs); |
|
$lines[] = static::tag('optgroup', "\n" . $content . "\n", $groupAttrs); |
|
} else { |
|
$attrs = isset($options[$key]) ? $options[$key] : array(); |
|
$attrs['value'] = $key; |
|
$attrs['selected'] = $selection !== null && |
|
(!is_array($selection) && !strcmp($key, $selection) |
|
|| is_array($selection) && in_array($key, $selection)); |
|
$lines[] = static::tag('option', str_replace(' ', ' ', static::encode($value)), $attrs); |
|
} |
|
} |
|
|
|
return implode("\n", $lines); |
|
} |
|
|
|
/** |
|
* Renders the HTML tag attributes. |
|
* Boolean attributes such as s 'checked', 'disabled', 'readonly', will be handled specially |
|
* according to [[booleanAttributes]] and [[showBooleanAttributeValues]]. |
|
* @param array $attributes attributes to be rendered. The attribute values will be HTML-encoded using [[encode()]]. |
|
* Attributes whose value is null will be ignored and not put in the rendering result. |
|
* @return string the rendering result. If the attributes are not empty, they will be rendered |
|
* into a string with a leading white space (such that it can be directly appended to the tag name |
|
* in a tag. If there is no attribute, an empty string will be returned. |
|
*/ |
|
public static function renderTagAttributes($attributes) |
|
{ |
|
if (count($attributes) > 1) { |
|
$sorted = array(); |
|
foreach (static::$attributeOrder as $name) { |
|
if (isset($attributes[$name])) { |
|
$sorted[$name] = $attributes[$name]; |
|
} |
|
} |
|
$attributes = array_merge($sorted, $attributes); |
|
} |
|
|
|
$html = ''; |
|
foreach ($attributes as $name => $value) { |
|
if (isset(static::$booleanAttributes[strtolower($name)])) { |
|
if ($value || strcasecmp($name, $value) === 0) { |
|
$html .= static::$showBooleanAttributeValues ? " $name=\"$name\"" : " $name"; |
|
} |
|
} elseif ($value !== null) { |
|
$html .= " $name=\"" . static::encode($value) . '"'; |
|
} |
|
} |
|
return $html; |
|
} |
|
|
|
/** |
|
* Normalizes the input parameter to be a valid URL. |
|
* |
|
* If the input parameter |
|
* |
|
* - is an empty string: the currently requested URL will be returned; |
|
* - is a non-empty string: it will be processed by [[Yii::getAlias()]] and returned; |
|
* - is an array: the first array element is considered a route, while the rest of the name-value |
|
* pairs are treated as the parameters to be used for URL creation using [[\yii\web\Controller::createUrl()]]. |
|
* For example: `array('post/index', 'page' => 2)`, `array('index')`. |
|
* |
|
* @param array|string $url the parameter to be used to generate a valid URL |
|
* @return string the normalized URL |
|
* @throws InvalidParamException if the parameter is invalid. |
|
*/ |
|
public static function url($url) |
|
{ |
|
if (is_array($url)) { |
|
if (isset($url[0])) { |
|
$route = $url[0]; |
|
$params = array_splice($url, 1); |
|
if (Yii::$app->controller !== null) { |
|
return Yii::$app->controller->createUrl($route, $params); |
|
} else { |
|
return Yii::$app->getUrlManager()->createUrl($route, $params); |
|
} |
|
} else { |
|
throw new InvalidParamException('The array specifying a URL must contain at least one element.'); |
|
} |
|
} elseif ($url === '') { |
|
return Yii::$app->getRequest()->getUrl(); |
|
} else { |
|
return Yii::getAlias($url); |
|
} |
|
} |
|
}
|
|
|