home *** CD-ROM | disk | FTP | other *** search
- <?php
- /* vim: set expandtab tabstop=4 shiftwidth=4: */
- // +----------------------------------------------------------------------+
- // | PHP Version 4 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 2.0 of the PHP license, |
- // | that is bundled with this package in the file LICENSE, and is |
- // | available at through the world-wide-web at |
- // | http://www.php.net/license/2_02.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- // | Author: Adam Daniel <adaniel1@eesus.jnj.com> |
- // +----------------------------------------------------------------------+
- //
- // $Id: Common.php,v 1.8 2003/06/19 18:52:50 mansion Exp $
-
- /**
- * Base class for all HTML classes
- *
- * @author Adam Daniel <adaniel1@eesus.jnj.com>
- * @version 1.7
- * @since PHP 4.0.3pl1
- * @abstract
- */
- class HTML_Common {
-
- /**
- * Associative array of table attributes
- * @var array
- * @access private
- */
- var $_attributes = array();
-
- /**
- * Tab offset of the table
- * @var int
- * @access private
- */
- var $_tabOffset = 0;
-
- /**
- * Tab string
- * @var string
- * @since 1.7
- * @access private
- */
- var $_tab = "\11";
-
- /**
- * Contains the line end string
- * @var string
- * @since 1.7
- * @access private
- */
- var $_lineEnd = "\12";
-
- /**
- * HTML comment on the object
- * @var string
- * @since 1.5
- * @access private
- */
- var $_comment = '';
-
- /**
- * Class constructor
- * @param mixed $attributes Associative array of table tag attributes
- * or HTML attributes name="value" pairs
- * @param int $tabOffset Indent offset in tabs
- * @access public
- */
- function HTML_Common($attributes = null, $tabOffset = 0)
- {
- $this->setAttributes($attributes);
- $this->setTabOffset($tabOffset);
- } // end constructor
-
- /**
- * Returns the current API version
- * @access public
- * @returns double
- */
- function apiVersion()
- {
- return 1.7;
- } // end func apiVersion
-
- /**
- * Returns the lineEnd
- *
- * @since 1.7
- * @access private
- * @return string
- * @throws
- */
- function _getLineEnd()
- {
- return $this->_lineEnd;
- } // end func getLineEnd
-
- /**
- * Returns a string containing the unit for indenting HTML
- *
- * @since 1.7
- * @access private
- * @return string
- */
- function _getTab()
- {
- return $this->_tab;
- } // end func _getTab
-
- /**
- * Returns a string containing the offset for the whole HTML code
- *
- * @return string
- * @access private
- */
- function _getTabs()
- {
- return str_repeat($this->_getTab(), $this->_tabOffset);
- } // end func _getTabs
-
- /**
- * Returns an HTML formatted attribute string
- * @param array $attributes
- * @return string
- * @access private
- */
- function _getAttrString($attributes)
- {
- $strAttr = '';
-
- if (is_array($attributes)) {
- foreach ($attributes as $key => $value) {
- $strAttr .= ' ' . $key . '="' . htmlspecialchars($value) . '"';
- }
- }
- return $strAttr;
- } // end func _getAttrString
-
- /**
- * Returns a valid atrributes array from either a string or array
- * @param mixed $attributes Either a typical HTML attribute string or an associative array
- * @access private
- */
- function _parseAttributes($attributes)
- {
- if (is_array($attributes)) {
- $ret = array();
- foreach ($attributes as $key => $value) {
- if (is_int($key)) {
- $key = $value = strtolower($value);
- } else {
- $key = strtolower($key);
- }
- $ret[$key] = $value;
- }
- return $ret;
-
- } elseif (is_string($attributes)) {
- $preg = "/(([A-Za-z_:]|[^\\x00-\\x7F])([A-Za-z0-9_:.-]|[^\\x00-\\x7F])*)" .
- "([ \\n\\t\\r]+)?(=([ \\n\\t\\r]+)?(\"[^\"]*\"|'[^']*'|[^ \\n\\t\\r]*))?/";
- if (preg_match_all($preg, $attributes, $regs)) {
- for ($counter=0; $counter<count($regs[1]); $counter++) {
- $name = $regs[1][$counter];
- $check = $regs[0][$counter];
- $value = $regs[7][$counter];
- if (trim($name) == trim($check)) {
- $arrAttr[strtolower(trim($name))] = strtolower(trim($name));
- } else {
- if (substr($value, 0, 1) == "\"" || substr($value, 0, 1) == "'") {
- $value = substr($value, 1, -1);
- }
- $arrAttr[strtolower(trim($name))] = trim($value);
- }
- }
- return $arrAttr;
- }
- }
- } // end func _parseAttributes
-
- /**
- * Returns the array key for the given non-name-value pair attribute
- *
- * @param string $attr Attribute
- * @param array $attributes Array of attribute
- * @since 1.0
- * @access private
- * @return array key
- * @throws
- */
- function _getAttrKey($attr, $attributes)
- {
- if (isset($attributes[strtolower($attr)])) {
- return true;
- } else {
- return null;
- }
- } //end func _getAttrKey
-
- /**
- * Updates the attributes in $attr1 with the values in $attr2 without changing the other existing attributes
- * @param array $attr1 Original attributes array
- * @param array $attr2 New attributes array
- * @access private
- * @return array
- */
- function _updateAttrArray(&$attr1, $attr2)
- {
- if (!is_array($attr2)) {
- return false;
- }
- foreach ($attr2 as $key => $value) {
- $attr1[$key] = $value;
- }
- } // end func _updateAtrrArray
-
- /**
- * Removes the given attribute from the given array
- *
- * @param string $attr Attribute name
- * @param array $attributes Attribute array
- * @since 1.4
- * @access public
- * @return void
- * @throws
- */
- function _removeAttr($attr, &$attributes)
- {
- $attr = strtolower($attr);
- if (isset($attributes[$attr])) {
- unset($attributes[$attr]);
- }
- } //end func _removeAttr
-
- /**
- * Returns the value of the given attribute
- *
- * @param string $attr Attribute name
- * @since 1.5
- * @access public
- * @return void
- * @throws
- */
- function getAttribute($attr)
- {
- $attr = strtolower($attr);
- if (isset($this->_attributes[$attr])) {
- return $this->_attributes[$attr];
- }
- return null;
- } //end func getAttribute
-
- /**
- * Sets the HTML attributes
- * @param mixed $attributes Either a typical HTML attribute string or an associative array
- * @access public
- */
- function setAttributes($attributes)
- {
- $this->_attributes = $this->_parseAttributes($attributes);
- } // end func setAttributes
-
- /**
- * Returns the assoc array (default) or string of attributes
- *
- * @param bool Whether to return the attributes as string
- * @since 1.6
- * @access public
- * @return mixed attributes
- */
- function getAttributes($asString = false)
- {
- if ($asString) {
- return $this->_getAttrString($this->_attributes);
- } else {
- return $this->_attributes;
- }
- } //end func getAttributes
-
- /**
- * Updates the passed attributes without changing the other existing attributes
- * @param mixed $attributes Either a typical HTML attribute string or an associative array
- * @access public
- */
- function updateAttributes($attributes)
- {
- $this->_updateAttrArray($this->_attributes, $this->_parseAttributes($attributes));
- } // end func updateAttributes
-
- /**
- * Removes an attribute
- *
- * @param string $attr Attribute name
- * @since 1.4
- * @access public
- * @return void
- * @throws
- */
- function removeAttribute($attr)
- {
- $this->_removeAttr($attr, $this->_attributes);
- } //end func removeAttribute
-
- /**
- * Sets the line end style to Windows, Mac, Unix or a custom string.
- *
- * @param string $style "win", "mac", "unix" or custom string.
- * @since 1.7
- * @access public
- * @return void
- */
- function setLineEnd($style)
- {
- switch ($style) {
- case 'win':
- $this->_lineEnd = "\15\12";
- break;
- case 'unix':
- $this->_lineEnd = "\12";
- break;
- case 'mac';
- $this->_lineEnd = "\15";
- break;
- default:
- $this->_lineEnd = $style;
- }
- } // end func setLineEnd
-
- /**
- * Sets the tab offset
- *
- * @param int $offset
- * @access public
- */
- function setTabOffset($offset)
- {
- $this->_tabOffset = $offset;
- } // end func setTabOffset
-
- /**
- * Returns the tabOffset
- *
- * @since 1.5
- * @access public
- * @return int
- */
- function getTabOffset()
- {
- return $this->_tabOffset;
- } //end func getTabOffset
-
- /**
- * Sets the string used to indent HTML
- *
- * @since 1.7
- * @param string $string String used to indent ("\11", "\t", ' ', etc.).
- * @access public
- * @return void
- */
- function setTab($string)
- {
- $this->_tab = $string;
- } // end func setTab
-
- /**
- * Sets the HTML comment to be displayed at the beginning of the HTML string
- *
- * @param string
- * @since 1.4
- * @access public
- * @return void
- */
- function setComment($comment)
- {
- $this->_comment = $comment;
- } // end func setHtmlComment
-
- /**
- * Returns the HTML comment
- *
- * @since 1.5
- * @access public
- * @return string
- */
- function getComment()
- {
- return $this->_comment;
- } //end func getComment
-
- /**
- * Abstract method. Must be extended to return the objects HTML
- *
- * @access public
- * @return string
- * @abstract
- */
- function toHtml()
- {
- return '';
- } // end func toHtml
-
- /**
- * Displays the HTML to the screen
- *
- * @access public
- */
- function display()
- {
- print $this->toHtml();
- } // end func display
-
- } // end class HTML_Common
- ?>