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<?php |
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|
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/** |
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* Holds the HTMLTagClass |
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* |
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* $Id: HTMLTagClass.inc,v 1.20 2002/10/30 21:12:53 hemna Exp $ |
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* |
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* @author Walter A. Boring IV <waboring@buildabetterweb.com> |
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* @package phpHtmlLib |
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* |
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* @copyright LGPL - See LICENCE |
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* |
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*/ |
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|
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|
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/** |
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* make sure we include the parent class. |
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*/ |
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require_once( $phphtmllib."/XMLTagClass.inc" ); |
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|
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/** |
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* Base class for all HTML Tag classes. |
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* Tag class renders an html tag, its |
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* attributes, the content (if any), |
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* and close tag (if needed). |
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* |
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* @author Walter A. Boring IV <waboring@buildabetterweb.com> |
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* @link http://phphtmllib.sourceforge.net |
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*/ |
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class HTMLTagClass extends XMLTagClass { |
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|
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|
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/** |
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* Flag to tell the renderer not to |
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* place the /> if we are in xhtml |
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* compliant mode. |
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*/ |
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var $_no_finish_slash_xhtml = FALSE; |
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|
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|
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/** |
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* Flag to let us know to render XHTML 1.0 |
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* compliant output. defaulted to FALSE |
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* @var boolean |
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* @access private |
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*/ |
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var $_xhtml_compliant = FALSE; |
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|
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/** |
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* Flag to denote that this tag is |
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* depricated by the HTML standard. |
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* |
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*/ |
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var $_depricated = FALSE; |
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|
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/** |
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* the list of tag attributes that we |
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* should create a clickable link for |
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* when in debug mode. |
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* @var array |
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* @access private |
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*/ |
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var $_debug_link_attributes = array("background"); |
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|
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/** |
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* The list of attributes not to render |
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* if HTML_RENDER_TYPE is "XHTML STRICT" |
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* |
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*/ |
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var $_xhtml_strict_attributes = array(); |
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|
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|
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/** |
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* The list of attributes that we want to run |
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* htmlentities() on if we are in XHTML_STRICT |
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* mode. Otherwise the validator complains about |
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* html characters such as &. |
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* @var array. |
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* @access private |
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*/ |
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var $_htmlentities_attributes = array(); |
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|
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|
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/** |
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* Class Constructor |
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* @param array - Associative array of |
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* name="value" pairs of |
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* tag atributes. |
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* ie array("border"=>0, "class"=>"hover"); |
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* |
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* @param mixed You can have any number |
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* of parameters that will |
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* be added to the content |
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* of the tag automatically. |
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* |
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* @access public |
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*/ |
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function HTMLTagClass( $attributes=NULL ) { |
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if ( $attributes ) { |
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$this->set_tag_attributes( $attributes ); |
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} |
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|
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//add the content if any. |
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$num_args = func_num_args(); |
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for ($i = 1; $i < $num_args; $i++) { |
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$this->add(func_get_arg($i)); |
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} |
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|
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//what version of html is this tag going to |
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//be rendered as? |
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//this is a magic test. It assumes that |
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//someone has created the define for |
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//HTML_RENDER_TYPE |
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if ( HTML_RENDER_TYPE == XHTML || |
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HTML_RENDER_TYPE == XHTML_STRICT ) { |
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$this->_xhtml_compliant = TRUE; |
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|
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} |
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|
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//if the tag is depricated |
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//we raise an alert. |
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if ( $this->_depricated ) { |
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trigger_error(htmlspecialchars($this->_tag) . " has been depricated in HTML 4.0", E_USER_NOTICE); |
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} |
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} |
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|
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|
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/** |
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* Renders the tag, attributes, content and close tag. |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access public |
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*/ |
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function render($indent_level=NULL, $output_debug=0) { |
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|
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//try and guess the indentation flags |
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//based on the data |
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$this->_prepare_flags(); |
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|
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if ( $indent_level==NULL ) { |
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$indent_level = $this->_indent_level; |
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} |
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|
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$html = $this->_render_tag($indent_level, $output_debug); |
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|
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if ( $this->_content_required ) { |
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$html .= $this->_render_content($indent_level, $output_debug); |
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} |
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if ( $this->_close_tag_required ) { |
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$html .= $this->_render_close_tag($indent_level, $output_debug); |
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} |
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|
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return $html; |
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} |
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|
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//**************************************************************** |
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// HTML specific routines |
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//**************************************************************** |
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|
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/** |
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* This function is a shorthand helper |
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* to setting the style attribute on a |
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* tag. |
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* |
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* @param string - the style value. |
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*/ |
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function set_style( $value ) { |
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$this->set_tag_attribute("style", $value); |
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} |
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|
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/** |
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* This function is a shorthand helper |
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* to setting the class attribute on a |
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* tag. |
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* |
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* @param string - the class value. |
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*/ |
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function set_class( $value ) { |
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$this->set_tag_attribute("class", $value); |
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} |
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|
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/** |
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* This function is a shorthand helper |
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* to setting the id attribute on a |
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* tag. |
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* |
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* @param string - the class value. |
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*/ |
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function set_id( $value ) { |
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$this->set_tag_attribute("id", $value); |
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} |
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|
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|
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//**************************************************************** |
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// Tag rendering routines. |
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//**************************************************************** |
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|
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/** |
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* renders the open tag. is <TABLE> |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access private |
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*/ |
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function _render_tag($indent_level, $output_debug=0) { |
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if ( $output_debug ) { |
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//lets call the special render tag debug function |
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return $this->_render_tag_debug( $indent_level ); |
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} else { |
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return XMLTag::_render_open_tag($indent_level, $this->_xhtml_compliant); |
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} |
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} |
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|
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/** |
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* Renders all of the content. |
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* Content can be raw strings, or tag objects. |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access private |
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*/ |
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function _render_content($indent_level, $output_debug=0) { |
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if ( $output_debug ) { |
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return $this->_render_content_debug( $indent_level ); |
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} else { |
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return XMLTag::_render_content( $indent_level, $output_debug); |
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} |
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} |
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|
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/** |
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* Renders the close tag (if needed) |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access private |
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*/ |
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function _render_close_tag($indent_level, $output_debug=0) { |
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if ( $output_debug ) { |
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return $this->_render_close_tag_debug( $indent_level ); |
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} else { |
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return XMLTag::_render_close_tag($indent_level); |
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} |
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} |
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|
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|
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/** |
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* This renders that open tag in debug mode. |
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* We do this as a seperate function, |
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* so we can override this by the child |
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* tag, so it can add a link on content or |
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* one of the attributes. |
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*/ |
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function _render_tag_debug($indent_level) { |
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|
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$indent = $this->_render_indent($indent_level, TRUE); |
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|
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$tag_prefix = htmlspecialchars( $this->_tag_prefix ); |
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$tab_postfix = htmlspecialchars( $this->_tag_postfix ); |
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$str = $indent . $tag_prefix. "<span class=\"purple\" style=\"white-space:nowrap;\">"; |
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$str .= $this->_tag . "</span>"; |
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|
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if ( $this->_xhtml_compliant && !$this->_always_upper_case ) { |
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//we have to have the tag name be lower case. |
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$str = strtolower( $str ); |
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} |
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|
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foreach( $this->_attributes as $name => $value) { |
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$str .= $this->_build_attribute_string($name, $value, TRUE); |
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} |
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|
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//if we want to output xhtml compliant code, we have to |
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//render a special tag closing. |
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if ( $this->_xhtml_compliant ) { |
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//we have to render a special close for the |
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//open tag, if the tag doesn't require a close |
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//tag or content. |
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if ( !$this->_close_tag_required && !$this->_no_finish_slash_xhtml ) { |
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$html = $str . " />"; |
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} else { |
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$html = $str.">"; |
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} |
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} else { |
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$html = $str.">"; |
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} |
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|
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if ( $this->newline_after_opentag ) { |
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$html .= "<br>\n"; |
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} |
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return $html; |
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} |
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|
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/** |
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* This renders the content in debug mode. |
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* lets us wrap the content w/ a <nobr></nobr> |
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* so it acts like view source. |
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* |
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* Content can be raw strings, or tag objects. |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access private |
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*/ |
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function _render_content_debug($indent_level) { |
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|
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$html = ''; |
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//walk through the content |
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foreach ($this->_content as $item) { |
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if (method_exists($item, "render")) { |
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if ($this->_collapse_flag && method_exists($item, "set_collapse")) { |
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$item->set_collapse(TRUE, FALSE); |
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} |
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if ($indent_level == INDENT_LEFT_JUSTIFY) { |
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$indent = INDENT_LEFT_JUSTIFY; |
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} else { |
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$indent = $indent_level + 1; |
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} |
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$html .= $item->render($indent, TRUE); |
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} else { |
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if ($this->_collapse_flag) { |
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$html .= htmlspecialchars($item); |
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} else { |
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if ($indent_level == INDENT_LEFT_JUSTIFY) { |
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$indent = INDENT_LEFT_JUSTIFY; |
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} else { |
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$indent = $indent_level + 1; |
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} |
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$indent = $this->_render_indent($indent, TRUE); |
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if ( $this->newline_after_opentag ) { |
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$item = htmlspecialchars($item); |
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$item = str_replace("\n", "<br>\n" . $indent, $item); |
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$html .= $indent . "<span style=\"white-space:nowrap\">" .$item . "</span><br>\n"; |
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} else { |
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$item = htmlspecialchars($item); |
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$item = str_replace("\n", "<br>\n" . $indent, $item); |
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$html .= $item; |
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} |
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} |
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} |
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} |
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return $html; |
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} |
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|
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|
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/** |
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* this renders the close tag in debugging mode. |
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* @param int $indent_level the indentation level for this tag. |
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* @return string |
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* @access private |
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*/ |
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function _render_close_tag_debug( $indent_level ) { |
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|
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$indent =""; |
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if ( $this->indent_flag && $this->newline_after_opentag ) { |
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$indent = $this->_render_indent($indent_level, TRUE); |
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} |
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$str = $indent . "</" . "<span class=\"purple\">"; |
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$str .= $this->_tag . "</span>>"; |
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|
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if ( $this->_xhtml_compliant ) { |
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$str = strtolower( $str ); |
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} |
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|
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if ( $this->newline_after_closetag ) { |
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$str .= "<br>\n"; |
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} |
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|
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return $str; |
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|
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} |
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|
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|
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//**************************************************************** |
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// Utility functions for attributes. |
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//**************************************************************** |
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|
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/** |
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* this builds an attribute for a tag. |
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* It also filters out any attributes |
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* that shouldn't be rendered if they |
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* are in the $this->_xhtml_strict_attributes |
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* array and HTML_RENDER_TYPE = XHTML STRICT |
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* |
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* @param string - $name attribute name |
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* @param mixed - $value attribute value |
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* @return the tag attribute name=value pair. |
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* to be added to the tag. |
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*/ |
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function _build_attribute_string($name, $value, $debug=0) { |
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|
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if ( $debug ) { |
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//hack to make non name-value pair work. |
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//ie <option name=foo value=bar CHECKED> |
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if ( is_int($name) ) { |
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$returnval = " <span class=\"black\">$value</span>"; |
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} else if ( $value === NULL ) { |
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$returnval = " <span class=\"black\">$name</span>"; |
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} else { |
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if ( in_array($name, $this->_debug_link_attributes) ) { |
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//lets create a clickable link for the value |
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//of this attribute |
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$value = "<a href=\"$value\">$value</a>"; |
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$returnval = " <span class=\"black\">$name=</span><span class=\"blue\">\"$value\"</span>"; |
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} else { |
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$returnval = " <span class=\"black\">$name=</span><span class=\"blue\">\"$value\"</span>"; |
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} |
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} |
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|
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if ( HTML_RENDER_TYPE == XHTML_STRICT && |
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in_array($name, $this->_xhtml_strict_attributes) ) { |
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$returnval = NULL; |
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} |
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} else { |
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//hack to make non name-value pair work. |
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//ie <option name=foo value=bar CHECKED> |
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if ( HTML_RENDER_TYPE == XHTML_STRICT && !is_int($name) ) { |
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//We do this because XHTML STRICT complains about |
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//html characters such as &. So we mask them. |
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$value = htmlentities($value); |
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} |
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|
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if ( HTML_RENDER_TYPE == XHTML_STRICT && |
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in_array($name, $this->_xhtml_strict_attributes) ) { |
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$returnval = NULL; |
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} else { |
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$returnval = XMLTagClass::_build_attribute_string($name, $value); |
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} |
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} |
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return $returnval; |
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} |
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|
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//**************************************************************** |
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// Misc functions |
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//**************************************************************** |
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|
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} |
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?> |
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