File: D:/web/itpartnership/radphp/rpcl/styles.inc.php
<?php
/**
* This file is part of the RPCL project
*
* Copyright (c) 2004-2011 Embarcadero Technologies, Inc.
*
* Checkout AUTHORS file for more information on the developers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
use_unit("controls.inc.php");
/**
* Base class for StyleSheet component
*
* This component allows you to link a StyleSheet file stored on a .css file, components
* having Style property will show available styles populated by this component.
*
* @link http://www.w3.org/Style/CSS/
*
*/
class CustomStyleSheet extends Component
{
protected $_filename="";
protected $_stylelist=array();
protected $_inclstandard=0;
protected $_inclid=0;
protected $_incsubstyle=0;
/**
* Builds and returs back an array of Style names based on specified
* parameters
*
* @param string $FileName Name of the css file to parse
* @param boolean $InclStandard If true, will include standard styles
* @param boolean $InclID If true, will also include ID
* @param boolean $InclSubStyle If true, will include substyles
* @return array Array with styles available on $filename
*/
function BuildStyleList($FileName, $InclStandard, $InclID, $InclSubStyle)
{
$array=array();
if (($FileName === "") || (!file_exists($FileName))) return $array;
if (($file = fopen($FileName, "r")) == false) return $array;
// Preload File, Parse out comments
$flag = false;
while (!feof($file))
{
$line = fgets($file, 4096);
$line = trim($line);
while ($line != "")
{
if ($flag)
{
$pos = strpos($line, "*/");
if ($pos === false) $line = "";
else
{
$line = substr($line, $pos + 3, strlen($line));
$flag = false;
}
}
else
{
$pos = strpos($line, "/*");
if ($pos === false)
{
$lines[] = $line;
$line = "";
}
else
{
$flag = true;
if ($pos !== 0)
{
$temp = trim(substr($line, 0, $pos));
if (!$temp==="") $lines[] = $temp;
}
$line = substr($line, $pos + 2, strlen($line));
}
}
}
}
fclose($file);
// Nothing to work with
if ((!isset($lines)) || (count($lines) == 0)) return $array;
// Parse lines, remove CSS Definitions
reset($lines);
$flag = false;
$lines2=array();
while (list($index, $line) = each($lines))
{
while ($line!=="")
{
if ($flag)
{
$pos = strpos($line, "}");
if ($pos === false) $line = "";
else
{
$line = trim(substr($line, $pos + 1, strlen($line)));
$flag = false;
}
}
else
{
$pos = strpos($line, "{");
if ($pos === false)
{
if (($line!=="") && (!in_array($line, $lines2)))
$lines2[] = $line;
$line = "";
}
else
{
$flag = true;
if ($pos !== 0)
{
$temp = trim(substr($line, 0, $pos));
if ($temp!=="")
if ((!isset($lines2)) || (!in_array($temp, $lines2)))
$lines2[] = $temp;
}
$line = trim(substr($line, $pos + 1, strlen($line)));
}
}
}
}
// Nothing to work with
if ((!isset($lines2)) || (count($lines2) == 0)) return $array;
// Prepare style list
reset($lines2);
while (list(, $line) = each($lines2))
{
$words = explode(",", $line);
reset($words);
while (list(, $word) = each($words))
{
$word = trim($word);
if ($word == "") continue;
if ($InclSubStyle == 0)
{
$pos1 = strpos($word, '.');
$pos2 = strpos($word, '#');
if (($pos1 === 0) || ($pos2 === 0))
{
$prefix = $word{0};
$word = trim(substr($word, 1, strlen($word)));
$parts = split('[ .#]', $word);
reset($parts);
$part = $prefix . trim(current($parts));
}
else
{
$parts = split('[ .#]', $word);
reset($parts);
$part = trim(current($parts));
}
}
else
$part = $word;
if (trim($part) == "") continue;
if ((isset($array)) && (in_array($part, $array))) continue;
$pos1 = strpos($part, '.');
$pos2 = strpos($part, '#');
if ((($InclStandard == 1) && ($pos1 === false) && ($pos2 === false))
|| (($InclID == 1) && ($pos2 === 0))
|| ($pos1 === 0)
)
{
$array[] = $part;
}
}
}
return $array;
}
/**
* This method parses the CSS file and populates the stylelist
*
* This method is used internally by the component to build the list of styles
* available to other components.
*
*/
protected function ParseCSSFile()
{
$this->_stylelist=$this->BuildStyleList($this->FileName, $this->_inclstandard, $this->_inclid, $this->_incsubstyle);
}
function dumpHeaderCode()
{
echo("<link rel=\"stylesheet\" href=\"" . $this->_filename . "\" type=\"text/css\" />\n");
}
function loaded()
{
$this->ParseCSSFile();
}
/**
* Specifies CSS File Name
*
* Point this property to the filename of the .css file you want to
* include in your page. While you can use full paths, it's recommended
* you use relative paths, so the page will be more portable.
*
* @return string
*/
protected function readFileName() { return $this->_filename; }
protected function writeFileName($value) { $this->_filename=$value; }
function defaultFileName() { return ""; }
/**
* Specifies if Styles array should include style names for HTML tags
*
* Use this property to specify if the array of style names fetched from the
* .css file should include names for the standard HTML tags, that is,
* for tags like BODY, H1, etc.
*
* @return boolean
*/
protected function readIncludeStandard() { return $this->_inclstandard; }
protected function writeIncludeStandard($value) { $this->_inclstandard = $value; }
function defaultIncludeStandard() { return 0; }
/**
* Specifies if Styles array should include class IDs
* If set to True, then to work properly IncludeSubStyle should be set to True also
*
* @return boolean
*/
protected function readIncludeID() { return $this->_inclid; }
protected function writeIncludeID($value) { $this->_inclid = $value; }
function defaultIncludeID() { return 0; }
/**
* Specifies if Styles array should include Class Names only or
* full class definitions including tag elements
*
* @return boolean
*/
protected function readIncludeSubStyle() { return $this->_incsubstyle; }
protected function writeIncludeSubStyle($value) { $this->_incsubstyle = $value; }
function defaultIncludeSubStyle() { return 0; }
/**
* Array of Style Names from specified CSS File
*
* @return array
*/
function readStyles() { $this->ParseCSSFile();
return $this->_stylelist; }
function writeStyles($value) { $this->_stylelist = $value; }
}
/**
* A class to allow import and use stylesheets
*
* This component allows you to link a StyleSheet file stored on a .css file, components
* having Style property will show available styles populated by this component.
*
* To use it, just drop this component on a form, assign the FileName property to a .css file
* and drop any control, like Button. After that, drop down Style property of Button to show available
* Styles in the stylesheet.
*
* @link http://www.w3.org/Style/CSS/
* @example GetStylesFromStyleSheet/GetStylesFromStyleSheet.php How to use StyleSheet component
*
*/
class StyleSheet extends CustomStyleSheet
{
// Publish properties
function getFileName() { return $this->readFileName(); }
function setFileName($value) { $this->writeFileName($value); }
function getIncludeStandard() { return $this->readIncludeStandard(); }
function setIncludeStandard($value) { $this->writeIncludeStandard($value); }
function getIncludeID() { return $this->readIncludeID(); }
function setIncludeID($value) { $this->writeIncludeID($value); }
function getIncludeSubStyle() { return $this->readIncludeSubStyle(); }
function setIncludeSubStyle($value) { $this->writeIncludeSubStyle($value); }
}
?>