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<?php

// A plug-in for the Serendipity PHP blog (http://www.s9y.org) by Matthew Maude <matthew@risingdawn.org>

// This is a variation of the archives plug-in, and a copy of the navigation used by the blogs at
// http://www.richardherring.com/warmingup and http://www.emmakennedy.net/blog/
// so thanks to whoever designed that


class serendipity_plugin_datelist extends serendipity_plugin {

	var $title = 'Date List';

	function introspect(&$propbag)
	{
		$propbag->add('name','Date List');
		$propbag->add('description', 'Rip-off of the blog style at www.richardherring.com/warmingup');
		$propbag->add('configuration', array('maxmonths'));
	}

	function introspect_config_item($name, &$propbag) {
		switch($name) {
		case 'maxmonths':
			$propbag->add('type', 'string');
			$propbag->add('name', 'Maximum Months');
			$propbag->add('description', 'Months to display in list (0 = all)');
			$propbag->add('default', 0);
			break;

		default:
			return false;
		}
		return true;
	}


	function generate_content(&$title) {
		$title = $this->title;
		global $serendipity;

		$this->writeStyles();
		$this->writeJavascript();
		$this->drawDateList();
	}
	function writeStyles(){
?>
<style type="text/css">
<!--

#datelist_list {
}

#datelist_recent{

	padding-top: 5px;

}

#datelist_month {
	font-size: 11px;
}

#datelist_recent a:link,
#datelist_recent a:visited,
#datelist_list a:link,
#datelist_list a:visited {
}

#datelist_recent a:hover,
#datelist_list a:hover {
}

#datelist_days {
	padding-left: 2em;
	padding-top: 5px;
	padding-bottom: 5px;
	border-style: none;
	font-size: 10px;
}

#datelist_days a:visited  {
   text-decoration: none;
   border: 0;
   color: #444444;
}


#datelist_days a:link {
   text-decoration: none;
   border: 0;
   color: #000000;
}

#datelist_days a:hover {
   color: #c0c0c0;
}

.open {
	display: block;
}

.closed {
	display: none;
}
-->
</style>
<?php
	}

	function writeJavascript(){
		global $serendipity;
		$imgPath = $serendipity['baseURL'] . 'plugins/serendipity_plugin_datelist/';
?>
<script type="text/javascript">
<!--
function toggle(id){

	//closedimg = "<?php echo $imgPath; ?>plus.gif";
	//openimg = "<?php echo $imgPath; ?>minus.gif";

	closedimg = "<?php echo serendipity_getTemplateFile('img/plus.png') ?>";
	openimg = "<?php echo serendipity_getTemplateFile('img/minus.png') ?>";

	ul = "days" + id;
	img = "month_img" + id;
	ulElement = document.getElementById(ul);
	imgElement = document.getElementById(img);
	if (ulElement){
		if (ulElement.className == 'closed'){
			ulElement.className = "open";
			imgElement.src = openimg;
		} else {
			ulElement.className = "closed";
			imgElement.src = closedimg;
		}
	}
}
//-->
</script>
<?php
	}

	function drawDateList(){
		global $serendipity;
		$MaxMonths = $this->get_config('maxmonths');

		if (!isset($serendipity['GET']['calendarZoom'])) {
			if (!isset($serendipity['range'])) {
				$serendipity['GET']['calendarZoom'] = serendipity_serverOffsetHour(time());
			} else {
				$serendipity['GET']['calendarZoom'] = serendipity_serverOffsetHour($serendipity['range'][0]);
			}
		}

		$month = date('m', serendipity_serverOffsetHour($serendipity['GET']['calendarZoom'], true));
		$year  = date('Y', serendipity_serverOffsetHour($serendipity['GET']['calendarZoom'], true));

		$pageTime = mktime(0, 0, 0, $month, 1, $year);
		$pageMonth = date('F Y',$pageTime);

		// Get first and last entry
		$minmax = serendipity_db_query("SELECT MAX(timestamp) AS max, MIN(timestamp) AS min FROM {$serendipity['dbPrefix']}entries");

		if (!is_array($minmax) || !is_array($minmax[0]) || $minmax[0]['min'] < 1 || $minmax[0]['max'] < 1){
			echo '(no entries)<br>';
			return false;
		}

		// Find out about diary entries

		$querystring = "SELECT timestamp
			FROM {$serendipity['dbPrefix']}entries e
			WHERE e.isdraft = 'false'
			ORDER BY timestamp DESC";

		$imgPath = $serendipity['baseURL'] . 'plugins/serendipity_plugin_datelist/';
		$rows = serendipity_db_query($querystring);
		if (is_array($rows)) {
			$monthCount = 0;
			echo '<div id="datelist_list">';
			foreach ($rows as $row){
				$thisMonth = date('F Y',$row['timestamp']);
				$thisDay = date('D jS',$row['timestamp']);
				$date = getdate($row['timestamp']);
				if ($thisMonth != $currentMonth){
					if ($monthCount > 0) echo '</div></div>';
					$monthCount++;
					$currentMonth = $thisMonth;
					$open = ((isset($pageMonth) && $pageMonth == $currentMonth) || (!isset($pageMonth) && $currentMonth == 1));
					$monthTime = mktime(0, 0, 0, $date['mon'], 1, $date['year']);
           			$monthLink = serendipity_archiveDateUrl(sprintf('%04d/%02d', $date['year'], $date['mon']));

?>
<div id="datelist_month"><a href="javascript:toggle(<?php echo $monthCount; ?>);">
<img src="<?php echo ($open ? serendipity_getTemplateFile('img/minus.png') : serendipity_getTemplateFile('img/plus.png')); ?>" alt="+" id="month_img<?php echo $monthCount; ?>" border="0"></a> <a href="<?php echo $monthLink; ?>"><?php echo $currentMonth; ?></a>
</div>
<div id="days<?php echo $monthCount; ?>" class="<?php echo ($open ? 'open' : 'closed'); ?>"><div id="datelist_days">
<?php
				}
				if ($thisDay != $currentDay){
					$currentDay = $thisDay;
?>
<a href="<?php echo serendipity_archiveDateUrl(sprintf('%4d/%02d/%02d', $date['year'], $date['mon'], $date['mday'])); ?>"><?php echo $currentDay; ?></a><br>
<?php
				}
				if ($MaxMonths > 0 && $monthCount >= $MaxMonths) break;
			}
			echo '</div></div></div>';
			echo "<div id='datelist_recent'><a href='{$serendipity['serendipityHTTPPath']}'>" . RECENT . "</a></div>\n";
		}
	}
}