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table.php
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table.php
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<?php
/**
* \file
* \author Mattia Basaglia
* \copyright Copyright 2015-2016 Mattia Basaglia
* \section License
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class HTML_Element
{
public $element_name;
public $simple = false;
public $attributes = array();
function __construct($element_name, $simple = false, $attributes = array() )
{
$this->element_name = $element_name;
$this->simple = $simple;
$this->attributes = $attributes;
}
function contents()
{
return "";
}
function __toString()
{
$html = "<{$this->element_name}";
foreach ( $this->attributes as $name => $value )
if ( $value !== "" )
$html .= ' '.htmlentities($name, ENT_QUOTES).'="'.
htmlentities($value, ENT_QUOTES).'"';
if ( $this->simple )
$html .= "/>";
else
$html .= ">".$this->contents()."</{$this->element_name}>";
return $html;
}
}
class HTML_TableCell extends HTML_Element
{
public $contents;
function __construct($contents, $header=false, $attributes = array())
{
parent::__construct($header ? "th" : "td", false, $attributes);
$this->contents = $contents;
}
function contents()
{
return $this->contents;
}
}
class HTML_TableRow extends HTML_Element
{
public $cells;
function __construct($cells = array(), $attributes = array())
{
parent::__construct("tr", false, $attributes);
if ( !is_array($cells) )
{
$cells = array($cells);
}
$this->cells = $cells;
}
function contents()
{
return implode("", $this->cells);
}
}
/**
* \brief Simple HTML table builder
*/
class HTML_Table extends HTML_Element
{
public $rows = array();
function __construct($css_class="")
{
parent::__construct("table");
$this->attributes["class"] = $css_class;
}
function simple_header($data, $escape=true)
{
if ( $escape )
$data = htmlentities($data);
$this->rows[] = new HTML_TableRow(
new HTML_TableCell($data, true, array('colspan'=>2))
);
}
function simple_row($header, $data, $escape=true)
{
if ( $escape )
{
$header = htmlentities($header);
$data = htmlentities($data);
}
$this->rows[] = new HTML_TableRow(array(
new HTML_TableCell($header, true),
new HTML_TableCell($data)
));
}
private function generic_row($cell_contents, $escape, $header, $row_attributes)
{
if ( !is_array($cell_contents) )
$cell_contents = array($cell_contents);
$row = array();
foreach ( $cell_contents as $data )
{
if ($data instanceof HTML_TableCell)
$row []= $data;
else
$row []= new HTML_TableCell($escape ? htmlentities($data) : $data, $header);
}
$this->rows []= new HTML_TableRow($row, $row_attributes);
}
function header_row($cell_contents, $escape=true, $row_attributes=array())
{
$this->generic_row($cell_contents, $escape, true, $row_attributes);
}
function data_row($cell_contents, $escape=true, $row_attributes=array())
{
$this->generic_row($cell_contents, $escape, false, $row_attributes);
}
function contents()
{
return implode("\n", $this->rows);
}
}
class HTML_Link extends HTML_Element
{
public $text;
public $destination;
function __construct($text, $destination=null, $escape_text=true, $attributes=array() )
{
$attributes["href"] = $destination == null ? $text : $destination;
parent::__construct("a", false, $attributes);
if ( $escape_text )
$this->text = htmlentities($text);
else
$this->text = $text;
}
function contents()
{
return $this->text;
}
}