Tiny programs (C, C++, C#, ...)

<?php
/**
 * Set of most common classes implementing UI of IS
 * @package default
 * @author Kamil Dudka <xdudka00@gmail.com>
 */
 
/**
 * Set of base classes used by almost all pages of IS
 */
include_once ("base.php");
/**
 * Set of most common classes accessing to MySQL db
 */
include_once ("db.php");
 
/**
 * TopBar widget. It is usualy displayed at top of page.
 * @package default
 */
class TopBar extends HtBlock {
  public function __construct ()
  {
    UserAuth::singleton();
    parent::__construct ("div", NULL, "#topBar");
    HtInline::factory ("div", $this, "#masterHead")-> addText (HtTitle::TITLE_PREFIX);
    HtInline::factory ("div", $this, "#subHead")->addText ("Předprodej jízdenek na autobus...");
    $this->loginStatus= HtInline::factory ("div", $this, "#loginStatus");
  }
  public function draw()
  {
    $szUser= UserAuth::singleton()-> getUser();
    $szLoginStatus= "Uživatel: ";
    $szLoginStatus.= (empty ($szUser)) ? "<b>nepřihlášen</b>":
      "<b>".$szUser."</b>&nbsp;&nbsp;".
      "[ <a href=\"".Page::linkToWebRoot()."/login".Page::phpFileExt()."?op=logout\">odhlásit</a> ]";
    $this->loginStatus-> addText($szLoginStatus);
    parent::draw();
  }
  private $loginStatus;
};
 
/**
 * Menu base class. Simple menu is created by derivating from this class.
 * @package default
 */
class Menu extends HtBlock {
  public function __construct ($szTitle)
  {
    parent::__construct ("div", NULL, ".menu");
    HtInline::factory ("div", $this, ".menuTitle")-> addText ($szTitle);
    $this->list= HtBlock::factory ("ul", $this);
  }
  public static function relToAbs ($szHref)
  {
    return Page::linkToWebRoot()."/".$szHref;
  }
  public function addItem ($szHerf, $szText, $szStyle="")
  {
    $li= HtInline::factory ("li", $this->list, $szStyle);
    if (!isset($szHerf) && !isset($szText))
      $li-> addText('&nbsp;');
    else
      HtInline::factory ("a", $li, "", Array("href" => $szHerf))-> addText($szText);
    return $li;
  }
  public function getInnerList ()
  {
    return $this->list;
  }
  private $list;
};
 
class MainMenu extends Menu {
  public function __construct ($szTitle, $szFile, $layout, $szPage="")
  {
    parent::__construct ($szTitle);
    $layout-> addToBegin ($this);
    $this->szPage= $szPage;
    $this->szFile= $szFile;
  }
  public function addMainMenuItem ($szPage, $szText)
  {
    $szPostfix= (empty($szPage)) ? '':"?page=$szPage";
    $this->addItem (Menu::relToAbs($this->szFile.Page::phpFileExt().$szPostfix), $szText, ($this->szPage== $szPage) ? '.menuItemSelected':'');
  }
  public function draw()
  {
    $this->addItem (NULL, NULL);
    $this->addItem (Menu::relToAbs("login".Page::phpFileExt()."?op=setPasswd"), "Změnit heslo", ($this->szPage=='setPasswd') ? '.menuItemSelected':'');
    $this->addItem (Menu::relToAbs("login".Page::phpFileExt()."?op=logout"), "Odhlásit");
    parent::draw();
  }
  private $szPage;
  private $szFile;
};
 
class MenuManager extends MainMenu {
  public function __construct ($layout, $page="")
  {
    parent::__construct ('Manažer', 'manager', $layout, $page);
    $this->addMainMenuItem ('dealers',      'Prodejci');
    $this->addMainMenuItem ('transporters', 'Dopravci');
    $this->addMainMenuItem ('users',        'Správa uživatelů');
    $this->addMainMenuItem ('firms',        'Import/export firem');
  }
};
 
class MenuTransporter extends MainMenu {
  public function __construct ($layout, $page="")
  {
    parent::__construct ('Dopravce', 'transporter', $layout, $page);
    /*$this->addMainMenuItem ('',            'Statistika');*/
    $this->addMainMenuItem ('routes',       'Spoje');
  }
};
 
class MenuDealer extends MainMenu {
  public function __construct ($layout, $page="")
  {
    parent::__construct ('Prodejce', 'dealer', $layout, $page);
    /*$this->addMainMenuItem ('',             'Statistika');*/
    $this->addMainMenuItem ('routes',       'Dostupné spoje');
  }
  public function draw()
  {
    $szCart='Nákupní košík';
    $szOrders='Objednávky';
    $szUser= UserAuth::singleton()-> getUser();
    $q= new DbQuery (
      "SELECT COUNT(cart.seat_id) AS cnt ".
      "FROM cart WHERE user='$szUser'"
      );
    if ($q->getNumRows()) {
      $res= $q->fetchArray();
      $cnt= $res['cnt'];
      if ($cnt)
        $szCart= '<b>Nákupní košík ('.$cnt.')</b>';
    }
    $q= new DbQuery (
      "SELECT ico FROM users WHERE user='$szUser'"
      );
    $row= $q->fetchArray();
    $ico= $row['ico'];
    $q= new DbQuery (
      "SELECT COUNT(*) AS cnt ".
      "FROM users JOIN orders USING (user) ".
      "WHERE ico='$ico'"
      );
    $res= $q->fetchArray();
    $cnt= $res['cnt'];
    if ($cnt)
        $szOrders.= ' ('.$cnt.')';
    $this->addMainMenuItem ('cart',         $szCart);
    $this->addMainMenuItem ('orders',       $szOrders);
    parent::draw();
  }
};
 
/**
 * Page layout base class.
 * @package default
 */
class Layout extends HtBlock {
  public function __construct()
  {
    parent::__construct ("div", NULL, "#layout");
    $this->begin= new TextList;
    $this->end= new TextList;
  }
  public function addToBegin (Text $text)
  {
    $this->begin-> add($text);
  }
  public function addToEnd (Text $text)
  {
    $this->end-> add($text);
  }
  public function drawBegin()
  {
    Page::singleton()-> drawBegin();
    parent::drawBegin();
    $this->begin-> draw();
  }
  public function drawEnd()
  {
    $this->end-> draw();
    parent::drawEnd();
    Page::singleton()-> drawEnd();
  }
  private $begin;
  private $end;
};
 
/**
 * Basic page layout template
 * @package default
 */
class BasicLayout extends Layout {
  public function __construct()
  {
    parent::__construct();
    $this->addToBegin (new TopBar);
  }
};
 
class QueryResult extends HtBlock {
  public function __construct($parent, $colsHead, $colsStyles= Array())
  {
    parent::__construct ("table", $parent, ".queryResult", Array(
      "cellpadding" => "0",
      "cellspacing" => "0"
      ));
    $tr= HtInline::factory ("tr", $this, ".head");
    foreach ($colsHead as $szThText)
      HtInline::factory ("td", $tr)-> addText ($szThText);
    $this->bOdd= true;
    $this->colsStyles= $colsStyles;
  }
  public function addRow ($tableRow)
  {
    $tr= HtBlock::factory ("tr", $this, $this->bOdd ? ".odd" : ".even");
    $i=0;
    foreach ($tableRow as $szTdText) {
      HtInline::factory ("td", $tr, @$this->colsStyles[$i])-> addText ($szTdText);
      $i++;
    }
    $this->bOdd= !($this->bOdd);
  }
  protected $bOdd;
  protected $colsStyles;
};
 
class QueryResultGroupBy extends QueryResult {
  public function __construct ($parent, $colsHead, $colsStyles, $colsGrouped)
  {
    parent::__construct ($parent, $colsHead, $colsStyles);
    $this->colsGrouped= $colsGrouped;
    $this->counter= 0;
    $this->bOddGroup= true;
  }
  public function addRow ($tableRow, $bKeyRow)
  {
    $bOdd=$this->counter %2;
    if ($bKeyRow) {
      $this->iAddedToKey= 1;
      $this->bOddGroup= !($this->bOddGroup);
    } else {
      $this->iAddedToKey ++;
    }
 
    if ($this->counter && $bKeyRow)
      $szStyle= $bOdd ? '.oddGroup' : '.evenGroup';
    else
      $szStyle= $bOdd ? '.odd' : '.even';
    $tr= HtBlock::factory ("tr", $this, $szStyle);
    $i=0;
    foreach ($tableRow as $szTdText) {
      if (@$this->colsGrouped[$i]) {
        if ($bKeyRow) {
          $td= HtInline::factory ("td", $tr, @$this->colsStyles[$i]);
          $td-> addText ($szTdText);
          $this->keyTds[$i]= $td;
        } else {
          $td= $this->keyTds[$i];
          $td->setAttr ('rowspan', $this->iAddedToKey);
        }
        $td= $this->keyTds[$i];
        $td->setStyle (($this->bOddGroup) ? '.odd' : '.even');
      } else
        HtInline::factory ("td", $tr, @$this->colsStyles[$i])-> addText ($szTdText);
      $i++;
    }
    $this->counter ++;
  }
  public function getKeyArray() { return $this->keyTds; }
  private $colsGrouped;
  private $keyTds;
  private $iAddedToKey;
  private $counter;
  private $bOddGroup;
};
 
class QueryResultMulticol extends HtBlock {
  public function __construct($parent, $colsHead, $colsStyles=Array(), $numRows, $maxColCount, $rowCount=8)
  {
    $colCount= max (1, min ($maxColCount, (int) ($numRows/$rowCount)));
    $this->rowCount= (int) $numRows/$colCount;
    $this->row=0;
    $this->col=0;
 
    parent::__construct ('table', $parent, '.multiCol', Array(
      'cellpadding' => 0,
      'cellspacing' => 0
      ));
    $tr= HtBlock::factory ('tr', $this);
    for ($i=0; $i<$colCount; $i++) {
      $td= HtBlock::factory ('td', $tr);
      $this->colTable[$i]= new QueryResult ($td, $colsHead, $colsStyles);
    }
  }
  public function addRow ($tableRow)
  {
    if ($this->row++ >=$this->rowCount) {
      $this->row= 1;
      $this->col++;
    }
    $queryResult= $this->colTable[$this->col];
    $queryResult-> addRow ($tableRow);
  }
  private $colTable;
  private $rowCount;
  private $row;
  private $col;
};
 
class SimpleForm extends HtBlock {
  const ERR_INPUT_MESSAGE= 'Špatně vyplněná políčka formuláře jsou označena <span class="errInput">červeně</span>.';
  public function __construct ($parent, $szAction, $szSubmitText, $arrayHidden= Array(), $bErrInput=false)
  {
    parent::__construct ('div', $parent, '.simpleForm');
    $form= HtBlock::factory ('form', $this, '', Array (
      'action' => $szAction,
      'method' => "post"
      ));
    $this->table= HtBlock::factory ('table', $form, '', Array (
      'cellpadding' => '8',
      'cellspacing' => '0'
      ));
    $this->szSubmitText= $szSubmitText;
    $this->arrayHidden= $arrayHidden;
    $this->bErrInput= $bErrInput;
    if ($bErrInput) {
      $tr= HtInline::factory ('tr', $this->table);
      HtInline::factory ('td', $tr, '.errInputMsg', Array('colspan'=>2))-> addText(self::ERR_INPUT_MESSAGE);
    }
  }
  public static function lastValue ($szName)
  {
    $value= @@$_POST[$szName];
    if (ini_get ("magic_quotes_gpc"))
      $value= stripslashes($value);
    return htmlspecialchars($value);
  }
  public function addInput ($szText, $szName, $szType, $szValue, $iLength, $szStyle, $bErrInput=false)
  {
    if (!$this->bErrInput)
      $bErrInput= false;
    if (!isset($szValue))
      $szValue= self::lastValue($szName);
    $tr= HtInline::factory ('tr', $this->table);
    HtInline::factory ('th', $tr, $bErrInput ? '.errInput':'')-> addText($szText);
    $td= HtInline::factory ('td', $tr);
    HtSingle::factory ('input', $td, $szStyle, Array (
      'name'      => $szName,
      'type'      => $szType,
      'value'     => $szValue,
      'size'      => $iLength,
      'maxlength' => $iLength
      ));
  }
  public function addCustomInput ($szText, Text $input, $bErrInput=false)
  {
    if (!$this->bErrInput)
      $bErrInput= false;
    $tr= HtInline::factory ('tr', $this->table);
    HtInline::factory ('th', $tr, $bErrInput ? '.errInput':'')-> addText($szText);
    HtInline::factory ('td', $tr)-> add($input);
  }
  public function draw()
  {
    $tr= HtInline::factory ('tr', $this->table);
    $td= HtInline::factory ('td', $tr, '.submit', Array('colspan'=>'2'));
    foreach ($this->arrayHidden as $szName => $szValue)
      HtSingle::factory ('input', $td, '', Array (
        'name'    => $szName,
        'type'    => 'hidden',
        'value'   => $szValue
        ));
    HtSingle::factory ('input', $td, '', Array (
      'type'      => 'submit',
      'value'     => $this->szSubmitText
      ));
    parent::draw();
  }
  private $table;
  private $szSubmitText;
  private $arrayHidden;
  private $bErrInput;
};
 
abstract class CustomInput extends TextList {
  public function __construct($szName)
  {
    parent::__construct();
    $this->szName= $szName;
  }
  public static function chkNum ($num) {
    return ereg('[0-9]+', $num);
  }
  abstract public function isValid();
  protected function lastValueCustom ($szPostfix='')
  {
    return SimpleForm::lastValue ($this->szName.$szPostfix);
  }
  protected $szName;
};
 
class DateInput extends CustomInput {
  public function __construct($szName)
  {
    parent::__construct($szName);
  }
  public function isValid()
  {
    $month= $this->lastValueCustom ('_month');
    $day= $this->lastValueCustom ('_day');
    $year= $this->lastValueCustom ('_year');
    return 
        parent::chkNum($month) && parent::chkNum($day) && parent::chkNum($year) &&
        (((0<=$year) && ($year<100)) || ((2000<=$year) && ($year<2100))) &&
        checkdate ($month, $day, $year);
  }
  public function draw()
  {
    $day= $this->lastValueCustom ('_day');
    $month= $this->lastValueCustom ('_month');
    $year= $this->lastValueCustom ('_year');
    if (empty($day) && empty($month) && empty($year)) {
      $day= date('d', time());
      $month= date('m', time());
      $year= date('Y', time());
    }
    HtSingle::factory('input', $this, '.day', Array (
      'name'      => $this->szName.'_day',
      'type'      => 'text',
      'value'     => $day,
      'size'      => 2,
      'maxlength' => 2
      ));
    $this-> addText('<b>.</b>');
    HtSingle::factory('input', $this, '.month', Array (
      'name'      => $this->szName.'_month',
      'type'      => 'text',
      'value'     => $month,
      'size'      => 2,
      'maxlength' => 2
      ));
    $this-> addText('<b>.</b>');
    HtSingle::factory('input', $this, '.year', Array (
      'name'      => $this->szName.'_year',
      'type'      => 'text',
      'value'     => $year,
      'size'      => 4,
      'maxlength' => 4
      ));
    parent::draw();
  }
};
 
class TimeInput extends CustomInput {
  public function __construct($szName)
  {
    parent::__construct($szName);
  }
  public function isValid()
  {
    $hour= $this->lastValueCustom ('_hour');
    $min= $this->lastValueCustom ('_minutte');
    return
        parent::chkNum($hour) && (0<=$hour) && ($hour<=23) &&
        parent::chkNum($min) && (0<=$min) && ($min<=59);
 
  }
  public function draw()
  {
    $hour= $this->lastValueCustom ('_hour');
    $mins= $this->lastValueCustom ('_minutte');
    if (empty($hour) && empty($mins)) {
      $hour= date('H', time());
      $mins= date('i', time());
    }
    HtSingle::factory('input', $this, '.day', Array (
      'name'      => $this->szName.'_hour',
      'type'      => 'text',
      'value'     => $hour,
      'size'      => 2,
      'maxlength' => 2
      ));
    $this-> addText('<b>:</b>');
    HtSingle::factory('input', $this, '.month', Array (
      'name'      => $this->szName.'_minutte',
      'type'      => 'text',
      'value'     => $mins,
      'size'      => 2,
      'maxlength' => 2
      ));
    parent::draw();
  }
};
 
class DurationInput extends CustomInput {
  public function __construct($szName)
  {
    parent::__construct($szName);
  }
  public function isValid()
  {
    $num= $this->lastValueCustom();
    return parent::chkNum ($num) && ($num);
  }
  public function draw()
  {
    HtSingle::factory('input', $this, '.duration', Array (
      'name'      => $this->szName,
      'type'      => 'text',
      'value'     => $this->lastValueCustom(),
      'size'      => 4,
      'maxlength' => 4
      ));
    $this-> addText('min');
    parent::draw();
  }
};
 
class PriceInput extends CustomInput {
  public function __construct($szName)
  {
    parent::__construct($szName);
  }
  public function isValid()
  {
    $num= $this->lastValueCustom();
    return parent::chkNum ($num) && ($num);
  }
  public function draw()
  {
    HtSingle::factory('input', $this, '.duration', Array (
      'name'      => $this->szName,
      'type'      => 'text',
      'value'     => $this->lastValueCustom(),
      'size'      => 4,
      'maxlength' => 4
      ));
    $this-> addText('Kč');
    parent::draw();
  }
};
 
class LoginWidget extends SimpleForm {
  public function __construct($parent)
  {
    parent::__construct ($parent,
      Page::linkToWebRoot().'/login'.Page::phpFileExt().'?op=login',
      'Přihlásit'
      );
    $this->addInput ('Uživatel', 'user', 'text', '', 16, 'width:180px');
    $this->addInput ('Heslo', 'passwd', 'password', '', 16, 'width:180px');
  }
};
 
class SetPasswdWidget extends SimpleForm {
  public function __construct($parent, $szAction, $bCurrentPasswd)
  {
    parent::__construct($parent, $szAction, 'Změnit heslo', Array ('setPasswd'=>'true'));
    if ($bCurrentPasswd)
      $this-> addInput ('Váše současné heslo', 'currentPasswd', 'password', '', 16, 'width:180px;');
    $this-> addInput ('Nové heslo', 'passwd1', 'password', '', 16, 'width:180px;');
    $this-> addInput ('Nové heslo pro kontrolu', 'passwd2', 'password', '', 16, 'width:180px;');
  }
};
 
class SimpleInfo extends HtBlock {
  public function __construct ($parent)
  {
    parent::__construct ('table', $parent, '.simpleInfo', Array(
      'cellspacing' => 0,
      'cellpadding' => 3
      ));
  }
  public function addPair ($name, $value)
  {
    $tr= HtInline::factory ('tr', $this);
    HtInline::factory ('th', $tr)-> addText(isset($name) ? $name.':' : '&nbsp;');
    HtInline::factory ('td', $tr)-> addText($value);
  }
};
 
class SimpleInfoMulticol extends HtBlock {
  public function __construct ($parent, $count)
  {
    parent::__construct ('table', $parent, '.multiCol', Array(
      'cellspacing' => 0,
      'cellpadding' => 0
      ));
    $tr= HtBlock::factory ('tr', $this);
    for ($i=0; $i<$count; $i++) {
      $td= HtBlock::factory ('td', $tr);
      $this->colTable[$i]= new SimpleInfo($td);
    }
  }
  public function addPair ($colNumber, $name, $value)
  {
    $simpleInfo= $this->colTable[$colNumber];
    $simpleInfo-> addPair ($name, $value);
  }
  private $colTable;
};
 
class StupidIe implements Text {
  public static function patchIfNeeded()
  {
    if (ereg('MSIE ', $browser= $_SERVER['HTTP_USER_AGENT']))
      self::patch();
  }
  private static function patch()
  {
    $page= Page::singleton();
    $page-> addToHead(new self);
    $page-> addBodyAttr('onload','stupidIePatch();');
  }
  public function draw()
  { ?>
<script type="text/javascript">
  function stupidIePatch()
  {
    x= document.getElementById("pageContent"); x.style.width= "100%";
  }
</script>
<?php
  }
};
 
?>