DaPortal

Browse Download file Permalink

<?php //$Id$

//This file is part of DeforaOS Web DaPortal

//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, version 3 of the License.

//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/>.

//Format

abstract class Format extends Mutator

{

//public

//methods

//static

//Format::attachDefault

public static function attachDefault(Engine $engine, $type = FALSE)

{

global $config;

$ret = FALSE;

$name = FALSE;

if($type !== FALSE)

$name = $config->get("format::$type", 'backend');

if($name === FALSE)

$name = $config->get('format', 'backend');

if($name !== FALSE)

{

$class = $name.'Format';

$ret = new $class($name);

$engine->log(LOG_DEBUG, 'Attaching '.get_class($ret)

.' (default)');

$ret->attach($engine, $type);

return $ret;

}

if(($dir = opendir('formats')) === FALSE)

return FALSE;

$priority = 0;

while(($de = readdir($dir)) !== FALSE)

{

if(substr($de, -4) != '.php')

continue;

$name = substr($de, 0, -4);

$class = $name.'Format';

$format = new $class($name);

if(($p = $format->match($engine, $type)) <= $priority)

continue;

$ret = $format;

$priority = $p;

}

closedir($dir);

if($ret === FALSE)

{

$error = 'Could not attach ';

$error .= ($type !== FALSE)

? 'formatting backend for '.$type

: 'the default formatting backend';

return $engine->log(LOG_ERR, $error);

}

$engine->log(LOG_DEBUG, 'Attaching '.get_class($ret)

.' with priority '.$priority);

$ret->attach($engine, $type);

return $ret;

}

//virtual

abstract public function render(Engine $engine, PageElement $page,

$filename = FALSE);

//protected

//properties

protected $name = FALSE;

//methods

//essential

//Format::Format

protected function __construct($name)

{

$this->name = $name;

}

//virtual

abstract protected function match(Engine $engine, $type = FALSE);

abstract protected function attach(Engine $engine, $type = FALSE);

//accessors

//Format::configGet

protected function configGet($variable)

{

global $config;

return $config->get('format::'.$this->name, $variable);

}