/**
  * Show the highlighted source code
  */
 public function show()
 {
     $span = new TElement('span');
     $span->style = 'font-size:10pt';
     $span->add(highlight_string($this->content, TRUE));
     $span->show();
 }

 /**
  * method onEdit()
  * Executed whenever the user clicks at the edit button da datagrid
  */
 function onView($param)
 {
     try {
         if (isset($param['key'])) {
             // get the parameter $key
             $key = $param['key'];
             // open a transaction with database 'changeman'
             TTransaction::open('changeman');
             // instantiates object Document
             $object = new Document($key);
             $element = new TElement('div');
             $element->add($object->content);
             parent::add($element);
             // close the transaction
             TTransaction::close();
         } else {
             $this->form->clear();
         }
     } catch (Exception $e) {
         // shows the exception error message
         new TMessage('error', '<b>Error</b> ' . $e->getMessage());
         // undo all pending operations
         TTransaction::rollback();
     }
 }

 /**
  * Class Constructor
  * @param $type    Type of the message (info, error)
  * @param $message Message to be shown
  * @param $action  Action to process
  */
 public function __construct($type, $message, TAction $action = NULL)
 {
     $this->id = uniqid();
     if (!is_null($action)) {
         $this->action = '__adianti_load_page(\'' . $action->serialize() . '\');';
     }
     if (TPage::isMobile()) {
         $img = new TElement('img');
         $img->src = "lib/adianti/images/{$type}.png";
         $table = new TTable();
         $table->width = '250px';
         $table->bgcolor = '#E5E5E5';
         $table->style = "border-collapse:collapse";
         $row = $table->addRow();
         $row->addCell($img);
         $row->addCell($message);
         $table->show();
     } else {
         TPage::include_css('lib/adianti/include/tmessage/tmessage.css');
         // creates a pannel to show the dialog
         $painel = new TElement('div');
         $painel->{'class'} = 'tmessage';
         $painel->id = 'tmessage_' . $this->id;
         // creates a table for layout
         $table = new TTable();
         // creates a row for the icon and the message
         $row = $table->addRow();
         $row->addCell(new TImage("lib/adianti/images/{$type}.png"));
         $scroll = new TScroll();
         $scroll->setSize(350, 70);
         $scroll->add($message);
         $scroll->setTransparency(true);
         $cell = $row->addCell($scroll);
         // add the table to the pannel
         $painel->add($table);
         // show the pannel
         $painel->show();
         $script = new TElement('script');
         $script->{'type'} = 'text/javascript';
         $script->add(' $(function() {
             $( "#' . $painel->id . '" ).dialog({
                 height: 180,
                 width: 440,
                 stack: false,
                 zIndex: 3000,
                 modal: true,
                 buttons: {
                     OK: function() {
                         $( this ).dialog( "close" ); ' . $this->action . '
                     }
                 }
                 }).css("visibility", "visible");
                 
             	$( "#' . $painel->id . ' a" ).click(function () {
             	    window.open($(this).attr(\'href\'));
                 }); 
             });');
         $script->show();
     }
 }

 /**
  * Show the widget at the screen
  */
 public function show()
 {
     if ($this->items) {
         // iterate the RadioButton options
         foreach ($this->items as $index => $label) {
             $button = new TRadioButton($this->name);
             $button->setTip($this->tag->title);
             $button->setValue($index);
             // check if contains any value
             if ($this->value == $index) {
                 // mark as checked
                 $button->setProperty('checked', '1');
             }
             // check whether the widget is non-editable
             if (!parent::getEditable()) {
                 $button->setEditable(FALSE);
             }
             // create the label for the button
             $obj = new TLabel($label);
             $obj->add($button);
             $obj->show();
             if ($this->layout == 'vertical') {
                 // shows a line break
                 $br = new TElement('br');
                 $br->show();
             }
             echo "\n";
         }
     }
 }

 /**
  * Class constructor
  * Creates the page
  */
 function __construct()
 {
     parent::__construct();
     // loads the galleria javascript library
     TPage::include_js('app/lib/jquery/galleria/galleria-1.2.2.min.js');
     // creates a table
     $table = new TTable();
     // creates the DIV element with the images
     $galleria = new TElement('div');
     $galleria->id = 'images';
     $galleria->style = "width:600px;height:460px";
     for ($n = 1; $n <= 4; $n++) {
         $img = new TElement('img');
         $img->src = "app/images/nature/nature{$n}.jpg";
         $galleria->add($img);
     }
     // add the DIV to the table
     $table->addRow()->addCell($galleria);
     // creates the script element
     $script = new TElement('script');
     $script->type = 'text/javascript';
     $script->add('
         Galleria.loadTheme("app/lib/jquery/galleria/themes/classic/galleria.classic.min.js");
         $("#images").galleria();
     ');
     // add the script to the table
     $table->addRow()->addCell($script);
     // wrap the page content using vertical box
     $vbox = new TVBox();
     $vbox->add(new TXMLBreadCrumb('menu.xml', __CLASS__));
     $vbox->add($table);
     parent::add($vbox);
 }

 /**
  * método construtor
  * instancia objeto TQuestion
  * @param $message = pergunta ao usuário
  * @param $action_yes = ação para resposta positiva
  * @param $action_no = ação para resposta negativa
  */
 function __construct($message, $url_yes, $url_no)
 {
     // instancia o painel para exibir o diálogo
     $painel = new TElement('div');
     $painel->class = "tquestion";
     // cria um botão para a resposta positiva
     $button1 = new TElement('input');
     $button1->type = 'button';
     $button1->value = 'Sim';
     $button1->onclick = "javascript:location='{$url_yes}'";
     $button1->id = 'bt1';
     // cria um botão para a resposta negativa
     $button2 = new TElement('input');
     $button2->type = 'button';
     $button2->value = 'Não';
     $button2->onclick = "javascript:location='{$url_no}'";
     // cria uma tabela para organizar o layout
     $table = new TTable();
     $table->align = 'center';
     $table->cellspacing = 10;
     // cria uma linha para o ícone e a mensagem
     $row = $table->addRow();
     $row->addCell(new TImage('app.misc/images/question.png'));
     $row->addCell($message);
     // cria uma linha para os botões
     $row = $table->addRow();
     $row->addCell($button1);
     $row->align = 'left';
     $row->addCell($button2);
     // adiciona a tabela ao painél
     $painel->add($table);
     // exibe o painél
     $painel->show();
 }

 /**
  * Shows the widget at the screen
  */
 public function show()
 {
     if ($this->items) {
         // iterate the checkgroup options
         foreach ($this->items as $index => $label) {
             // instantiates a new CheckButton
             $button = new TCheckButton("{$this->name}[]");
             $button->setTip($this->tag->title);
             $button->setIndexValue($index);
             $button->setProperty('checkgroup', $this->name);
             // verify if the checkbutton is checked
             if (@in_array($index, $this->value)) {
                 //$button->setProperty('checked', '1');
                 $button->setValue($index);
                 // value=indexvalue (checked)
             }
             // check whether the widget is non-editable
             if (!parent::getEditable()) {
                 $button->setEditable(FALSE);
             }
             // create the label for the button
             $obj = new TLabel($label);
             $obj->add($button);
             $obj->show();
             if ($this->layout == 'vertical') {
                 // shows a line break
                 $br = new TElement('br');
                 $br->show();
                 echo "\n";
             }
         }
     }
 }

 /**
  * Add an child element
  * @param $child Any object that implements the show() method
  */
 public function add($child)
 {
     $wrapper = new TElement('div');
     $wrapper->{'style'} = 'display:inline-block;';
     $wrapper->add($child);
     parent::add($wrapper);
     return $wrapper;
 }

 /**
  * Add an child element
  * @param $child Any object that implements the show() method
  */
 public function add($child)
 {
     $wrapper = new TElement('div');
     $wrapper->style = 'clear:both';
     $wrapper->add($child);
     parent::add($wrapper);
     return $wrapper;
 }

 public function addCellTitle($content, $align, $stylename = 'active', $colspan = 1)
 {
     $td = new TElement('th');
     $td->add($content);
     $td->class = $stylename;
     $td->style = "text-align: {$align}";
     $td->colspan = $colspan;
     $this->trT->add($td);
 }

 public function show()
 {
     $time = new TElement('div');
     $time->id = "ptimer_" . uniqid();
     $url = 'engine.php';
     $code = "\n\ntimer({$url},'{$this->page}',{$this->time},'{$time->id}');\n\n";
     TScript::create($code);
     $time->show();
 }

 /**
  * Class constructor
  * Creates the page and the registration form
  */
 function __construct()
 {
     parent::__construct();
     $table = new TTable();
     $table->width = '100%';
     // creates the form
     $this->form = new TForm('form_User');
     $this->form->class = 'tform';
     $this->form->style = 'width: 450px;margin:auto; margin-top:10px;';
     // add the notebook inside the form
     $this->form->add($table);
     // create the form fields
     $login = new TEntry('login');
     $password = new TPassword('password');
     // define the sizes
     $login->setSize(320, 40);
     $password->setSize(320, 40);
     $login->style = 'height:35px; font-size:14px;float:left;border-bottom-left-radius: 0;border-top-left-radius: 0;';
     $password->style = 'height:35px;margin-bottom: 15px;font-size:14px;float:left;border-bottom-left-radius: 0;border-top-left-radius: 0;';
     $row = $table->addRow();
     $row->addCell(new TLabel('Login'))->colspan = 2;
     $row->class = 'tformtitle';
     $login->placeholder = _t('User');
     $password->placeholder = _t('Password');
     $user = '<span style="float:left;width:35px;margin-left:45px;height:35px;" class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>';
     $locker = '<span style="float:left;width:35px;margin-left:45px;height:35px;" class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>';
     $container1 = new TElement('div');
     $container1->add($user);
     $container1->add($login);
     $container2 = new TElement('div');
     $container2->add($locker);
     $container2->add($password);
     $row = $table->addRow();
     $row->addCell($container1)->colspan = 2;
     // add a row for the field password
     $row = $table->addRow();
     $row->addCell($container2)->colspan = 2;
     // create an action button (save)
     $save_button = new TButton('save');
     // define the button action
     $save_button->setAction(new TAction(array($this, 'onLogin')), _t('Log in'));
     $save_button->class = 'btn btn-success btn-defualt';
     $save_button->style = 'margin-left:32px;width:355px;height:40px;border-radius:6px;font-size:18px';
     $row = $table->addRow();
     $row->class = 'tformaction';
     $cell = $row->addCell($save_button);
     $cell->colspan = 2;
     $this->form->setFields(array($login, $password, $save_button));
     // add the form to the page
     $caixa = new TVBox();
     $caixa->style = "text-align:center";
     $caixa->add(new TImage("app/images/pgo.png"));
     $caixa->add($this->form);
     parent::add($caixa);
 }

 /**
  * Show
  */
 public function show()
 {
     $script = new TElement('script');
     $script->{'type'} = 'text/javascript';
     $code = '$(document).ready( function() {
                  $(\'.dropdown-toggle\').dropdown()
              });';
     $script->add($code);
     $script->show();
     parent::show();
 }

 /**
  * método put()
  * posiciona um objeto no painel
  * @param $widget = objeto a ser inserido no painel
  * @param $col     = coluna em pixels.
  * @param $row     = linha em pixels.
  */
 public function put($widget, $col, $row)
 {
     // cria uma camada para o widget
     $camada = new TElement('div');
     // define a posição da camada
     $camada->style = "position:absolute; left:{$col}px; top:{$row}px;";
     // adiciona o objeto (widget) à camada recém-criada
     $camada->add($widget);
     // adiciona widget no array de elementos
     parent::add($camada);
 }

 /**
  * Create an element
  * @param $tagname Element name
  * @param $value Element value
  * @param $attributes Element attributes
  */
 public static function tag($tagname, $value, $attributes = NULL)
 {
     $object = new TElement($tagname);
     $object->add($value);
     if ($attributes) {
         foreach ($attributes as $att_name => $att_value) {
             $object->{$att_name} = $att_value;
         }
     }
     return $object;
 }

 /**
  * Put a widget inside the panel
  * @param  $widget = widget to be shown
  * @param  $col    = column in pixels.
  * @param  $row    = row in pixels.
  */
 public function put($widget, $col, $row)
 {
     // creates a layer to put the widget inside
     $camada = new TElement('div');
     // define the layer position
     $camada->style = "position:absolute; left:{$col}px; top:{$row}px;";
     // add the widget to the layer
     $camada->add($widget);
     // add the widget to the element's array
     parent::add($camada);
 }

 /**
  * Shows the widget at the screen
  */
 public function show()
 {
     $js_mask = str_replace('yyyy', 'yy', $this->mask);
     if (parent::getEditable()) {
         $script = new TElement('script');
         $script->type = 'text/javascript';
         $script->add("\n            \t\$(function() {\n                \$(\"#{$this->id}\").datepicker({\n                    showOn: 'button',\n                    buttonImage: 'lib/adianti/images/tdate.png',\n                    buttonImageOnly: true,    \n            \t\tchangeMonth: true,\n            \t\tchangeYear: true,\n            \t\tdateFormat: '{$js_mask}',\n            \t\tshowButtonPanel: true\n            \t});\n            });");
         $script->show();
     }
     parent::show();
 }

 public function __construct()
 {
     parent::__construct('ul');
     $this->class = 'dropdown-menu dropdown-messages';
     $messages = array();
     $messages[] = array(TSession::getValue('login'), 'Yesterday', 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...');
     $messages[] = array(TSession::getValue('login'), 'Yesterday', 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...');
     $messages[] = array(TSession::getValue('login'), 'Yesterday', 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...');
     $a = new TElement('a');
     $a->{'class'} = "dropdown-toggle";
     $a->{'data-toggle'} = "dropdown";
     $a->{'href'} = "#";
     $a->add(TElement::tag('i', '', array('class' => "fa fa-envelope fa-fw")));
     $a->add(TElement::tag('span', count($messages), array('class' => "badge badge-notify")));
     $a->add(TElement::tag('i', '', array('class' => "fa fa-caret-down")));
     $a->show();
     foreach ($messages as $message) {
         $name = $message[0];
         $date = $message[1];
         $body = $message[2];
         $li = new TElement('li');
         $a = new TElement('a');
         $div = new TElement('div');
         $a->href = '#';
         $li->add($a);
         $a->add($div);
         $div->add(TElement::tag('strong', $name));
         $div->add(TElement::tag('span', TElement::tag('em', $date), array('class' => 'pull-right text-muted')));
         $div2 = new TElement('div');
         $div2->add($body);
         $a->add($div2);
         parent::add($li);
         parent::add(TElement::tag('li', '', array('class' => 'divider')));
     }
     $li = new TElement('li');
     $a = new TElement('a');
     $li->add($a);
     $a->class = 'text-center';
     $a->href = '#';
     $a->add(TElement::tag('strong', 'Read messages'));
     $a->add($i = TElement::tag('i', '', array('class' => 'fa fa-inbox')));
     parent::add($li);
     parent::add(TElement::tag('li', '', array('class' => 'divider')));
     $li = new TElement('li');
     $a = new TElement('a');
     $li->add($a);
     $a->class = 'text-center';
     $a->href = '#';
     $a->add(TElement::tag('strong', 'Send message'));
     $a->add($i = TElement::tag('i', '', array('class' => 'fa fa-envelope-o')));
     parent::add($li);
 }

 /**
  * método construtor
  * instancia objeto TQuestion
  * @param $message = pergunta ao usuário
  * @param $action_yes = ação para resposta positiva
  * @param $action_no = ação para resposta negativa
  */
 function __construct($message, TAction $action_yes, TAction $action_no)
 {
     $style = new TStyle('tquestion');
     $style->position = 'absolute';
     $style->left = '30%';
     $style->top = '30%';
     $style->width = '300';
     $style->height = '150';
     $style->border_width = '1px';
     $style->color = 'black';
     $style->background = '#DDDDDD';
     $style->border = '4px solid #000000';
     $style->z_index = '10000000000000000';
     // converte os nomes de métodos em URL's
     $url_yes = $action_yes->serialize();
     $url_no = $action_no->serialize();
     // exibe o estilo na tela
     $style->show();
     // instancia o painel para exibir o diálogo
     $painel = new TElement('div');
     $painel->class = "tquestion";
     // cria um botão para a resposta positiva
     $button1 = new TElement('input');
     $button1->type = 'button';
     $button1->value = 'Sim';
     $button1->onclick = "javascript:location='{$url_yes}'";
     // cria um botão para a resposta negativa
     $button2 = new TElement('input');
     $button2->type = 'button';
     $button2->value = 'Não';
     $button2->onclick = "javascript:location='{$url_no}'";
     // cria uma tabela para organizar o layout
     $table = new TTable();
     $table->align = 'center';
     $table->cellspacing = 10;
     // cria uma linha para o ícone e a mensagem
     $row = $table->addRow();
     $row->addCell(new TImage('app.images/question.png'));
     $row->addCell($message);
     // cria uma linha para os botões
     $row = $table->addRow();
     $row->addCell($button1);
     $row->addCell($button2);
     // adiciona a tabela ao painél
     $painel->add($table);
     // exibe o painél
     $painel->show();
 }

 /**
  * Shows the widget at the screen
  */
 public function show()
 {
     // define the tag properties
     $this->tag->name = $this->name;
     // TAG name
     $this->tag->value = $this->value;
     // TAG value
     $this->tag->type = 'text';
     // input type
     $this->tag->style = "width:{$this->size}px";
     // size
     if ($this->id) {
         $this->tag->id = $this->id;
     }
     // verify if the widget is editable
     if (parent::getEditable()) {
         $this->tag->readonly = "1";
         $this->tag->style = "width:40px;-moz-user-select:none;border:0;text-align:center";
         $div = new TElement('div');
         $div->id = $this->id . '_div';
         $div->style = "width:{$this->size}px";
         $main_div = new TElement('div');
         $main_div->style = "text-align:center;width:{$this->size}px";
         $script = new TElement('script');
         $script->add(' $(function() {
                     $( "#' . $this->id . '_div" ).slider({
                         value: ' . $this->value . ',
                         min: ' . $this->min . ',
                         max: ' . $this->max . ',
                         step: ' . $this->step . ',
                         slide: function( event, ui ) {
                             $( "#' . $this->id . '" ).val( ui.value );
                         }
                     });
                     });');
         $script->show();
         $main_div->add($this->tag);
         $main_div->add($div);
         $main_div->show();
     } else {
         $this->tag->readonly = "1";
         $this->tag->{'class'} = 'tfield_disabled';
         // CSS
         $this->tag->style = "width:40px;-moz-user-select:none;";
         $this->tag->onmouseover = "style.cursor='default'";
         $this->tag->show();
     }
 }