<?php
/**
 * html.class.php
 *
 * Copyright (c) 2003-2004 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This contains functions needed to generate html output.
 *
 * @version $Id$
 * @package squirrelmail
 */

/**
 * This class needs documenting - volunteers?
 * @package squirrelmail
 */
class html {
  var $tag, $text, $style, $class,  
      $id, $html_el = array(), $javascript, $xtr_prop;

  function html($tag='', $text='', $style ='', $class='', $id='',
                  $xtr_prop = '', $javascript = '') {
     $this->tag = $tag;
     $this->text = $text;
     $this->style = $style;
     $this->class = $class;
     $this->id = $id;
     $this->xtr_prop = $xtr_prop;
     $this->javascript = $javascript;
  }
  
  function htmlAdd($el, $last=true) {
     if ($last) {
        $this->html_el[] = $el;
     } else {
	$new_html_el = array();
	$new_html_el[] = $el;
	foreach ($this->html_el as $html_el) {
	   $new_html_el[] = $html_el;
	}
	$this->html_el = $new_html_el;
     }
  }
  
  function AddChild($tag='', $text='', $style ='', $class='', $id='',
                  $xtr_prop = '', $javascript = '') {
     $el = new html ($tag, $text, $style, $class, $id, $xtr_prop, $javascript);
     $this->htmlAdd($el);
  }
  
  function FindId($id) {
     $cnt = count($this->html_el);
     $el = false;
     if ($cnt) {
        for ($i = 0 ; $i < $cnt; $i++) {
	    if ($this->html_el[$i]->id == $id) {
	       $ret = $this->html_el[$i];
	       return $ret;
	    } else if (count($this->html_el[$i]->html_el)) {
	       $el = $this->html_el[$i]->FindId($id);
	    }
	    if ($el) return $el;
        }
     }
     return $el;
  }     

  function InsToId( $el, $id, $last=true) {
     $html_el = &$this->FindId($id);
     if ($html_el) {
        $html_el->htmlAdd($el, $last);
     }
  }     
  
  function scriptAdd($script) {
     $s = "\n".'<!--'."\n".
	  $script .
	  "\n".'// -->'."\n";
     $el = new html ('script',$s,'','','',array('language' => 'JavaScript',
                                                'type' => 'text/javascript'));
     $this->htmlAdd($el);
  }
  
  function echoHtml( $usecss=false, $indent='x') {
    if ($indent == 'x') {
      $indent = ''; $indentmore = '';
    } else {
      $indentmore = $indent . '  ';
    }
    $tag = $this->tag;
    $text = $this->text;
    $class = $this->class;
    $id = $this->id;
    $style = $this->style;
    $javascript = $this->javascript;
    $xtr_prop = $this->xtr_prop;
    if ($xtr_prop) {
       $prop = '';
       foreach ($xtr_prop as $k => $v) {
          if (is_string($k)) {
             $prop.=' '.$k.'="'.$v.'"';
	  } else {
	     $prop.=' '.$v;
	  }
       }
    }   
    if ($javascript) {
       $js = '';
       foreach ($javascript as $k => $v) { /* here we put the onclick, onmouseover etc entries */
          $js.=' '.$k.'="'.$v.'";';
       }
    }
    if ($tag) {   	  
       echo $indent . '<' . $tag;
    } else {
       echo $indent;
    }
    if ($class) {
       echo ' class="'.$class.'"';
    }  
    if ($id) {
       echo ' id="'.$id.'"';
    }
    if ($xtr_prop) {
       echo ' '.$prop;
    }
    if ($style && !$usecss && !is_array($style)) {
       /* last premisse is to prevent 'style="Array"' in the output */
       echo ' style="'.$style.'"';  
    }
    if ($javascript) {
       echo ' '.$js;
    }
    if ($tag) echo '>';

    $openstyles = '';
    $closestyles = '';
    if ($style && !$usecss) {
       foreach ($style as $k => $v) {
          $openstyles .= '<'.$k.'>';
       }
       foreach ($style as $k => $v) {
          /* if value of key value = true close the tag */
	  if ($v) {
             $closestyles .= '</'.$k.'>';
          }   
       }
    }
    echo $openstyles;

    if ($text) {
       echo $text;
    }

    $cnt = count($this->html_el);
    if ($cnt) {
       echo "\n";
       for($i = 0;$i<$cnt;$i++) {
          $el = $this->html_el[$i];
	  $el->echoHtml($usecss,$indentmore);
       }
       echo $indent;
    }
    echo $closestyles;
    if ($tag) {
       echo '</'.$tag.'>'."\n";
    } else {
       echo "\n";
    }
  }
}
 

?>