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<?php
require_once 'Horde/Browser.php';
require_once 'Horde/Block/Collection.php';
/**
* The Horde_Block_Layout_View class represents the user defined portal layout.
*
* $Horde: framework/Block/Block/Layout/View.php,v 1.4.2.3 2006/06/23 04:35:21 chuck Exp $
*
* Copyright 2003-2006 Mike Cochrane <mike@graftonhall.co.nz>
* Copyright 2003-2006 Jan Schneider <jan@horde.org>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Mike Cochrane <mike@graftonhall.co.nz>
* @author Jan Schneider <jan@horde.org>
* @since Horde 3.2
* @package Horde_Block
*/
class Horde_Block_Layout_View {
/**
* The current block layout.
*
* @var array
*/
var $_layout = array();
/**
* All applications used in this layout.
*
* @var array
*/
var $_applications = array();
/**
* CSS link tags pulled out of block content.
*
* @var array
*/
var $_linkTags = array();
/**
* Constructor.
*/
function Horde_Block_Layout_View($layout = '')
{
$this->_layout = @unserialize($layout);
if (!$this->_layout) {
$this->_layout = array();
}
}
/**
* Render the current layout as HTML.
*
* @return string HTML layout.
*/
function toHtml()
{
$browser = &Browser::singleton();
$tplDir = $GLOBALS['registry']->get('templates', 'horde');
$interval = $GLOBALS['prefs']->getValue('summary_refresh_time');
$html = '<table class="nopadding" cellspacing="6" width="100%">';
$covered = array();
foreach ($this->_layout as $row_num => $row) {
$width = floor(100 / count($row));
$html .= '<tr>';
foreach ($row as $col_num => $item) {
if (isset($covered[$row_num]) && isset($covered[$row_num][$col_num])) {
continue;
}
if (is_array($item)) {
$this->_applications[$item['app']] = $item['app'];
$block = &Horde_Block_Collection::getBlock($item['app'], $item['params']['type'], $item['params']['params']);
$rowspan = $item['height'];
$colspan = $item['width'];
$width *= $colspan;
for ($i = 0; $i < $item['height']; $i++) {
if (!isset($covered[$row_num + $i])) {
$covered[$row_num + $i] = array();
}
for ($j = 0; $j < $item['width']; $j++) {
$covered[$row_num + $i][$col_num + $j] = true;
}
}
if (is_a($block, 'PEAR_Error')) {
$header = _("Error");
$content = $block->getMessage();
ob_start();
include $tplDir . '/portal/block.inc';
$html .= ob_get_clean();
} elseif (is_a($block, 'Horde_Block')) {
$header = $block->getTitle();
$content = $block->getContent();
ob_start();
include $tplDir . '/portal/block.inc';
$html .= ob_get_clean();
} else {
$html .= '<td width="' . $width . '%"> </td>';
}
} else {
$html .= '<td width="' . $width . '%"> </td>';
}
}
$html .= '</tr>';
}
$html .= '</table>';
// Strip any CSS <link> tags out of the returned content so
// they can be handled seperately.
if (preg_match_all('/<link .*?rel="stylesheet".*?\/>/', $html, $links)) {
$html = str_replace($links[0], '', $html);
$this->_linkTags = $links[0];
}
return $html;
}
/**
* Get any link tags found in the view.
*/
function getLinkTags()
{
return $this->_linkTags;
}
/**
* Return a list of all the applications used by blocks in this layout.
*
* @return array List of applications.
*/
function getApplications()
{
return array_keys($this->_applications);
}
}
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