=====ShowRecentChangesMindMapAction=====

This is the development page for the ""ShowRecentChangesMindMap"" action

Please feel free to make changes or leave comments!



%%(php)
<?php

/*
Action to display recent changes in a mindmap. It will
	gather changes (up to a specified maximum)
	write them into a file if this is a registered user.
	launch mindmap to display them

Usage:
{{recentchangesmindmap max="50" height="1000"}}

Parameters
(optional)	max: Number of changes to display.
			If not specified, will use value from user settings
			If not specified, will use 50

(optional)	height: Height of frame within which the mindmap will be displayed.
			If not specified, will use 1000.

Comments/changes are most welcome

Nick Damoulakis

*/

// Only create a file with the mindmap, if the user is logged in
$user = $this->GetUser();
if ($user)
{
	$filename = "recent_changes_for_".$this->GetUserName().".mm";
}

// If this is the 1st pass over the page then create the mindmap XML and store it in a file
if (!$_SESSION["mnprinted"] || $_SESSION["mnprinted"] == "")
{
	$xml = "<map version=\"0.7.1\">\n";
	$xml .= "<node TEXT=\"Recent Changes\">\n";
	$xml .= "<node TEXT=\"Date\" POSITION=\"right\">\n";

	if ($pages = $this->LoadRecentlyChanged())
	{
		$users = array();
		$curday = "";

		// Check for any params supplied with the action
		if (is_array($vars))
		{
			foreach ($vars as $param => $value)
			{
				if ($param == 'max') {$max = $this->htmlspecialchars_ent($vars['max']);}
			}
		}

		$user = $this->GetUser();

		// If no max was specified, use either that defined at login or default to 50
		if (!$max) {$max = ( $user ? $user["changescount"] : 50);}

		$c = 0;
		foreach ($pages as $page)
		{
			$c++;
			if (($c <= $max) || !$max)
			{
				$pageuser = $page["user"];
				$pagetag = $page["tag"];

				// day header
				list($day, $time) = explode(" ", $page["time"]);
				if ($day != $curday)
				{
					$dateformatted = date("D, d M Y", strtotime($day));
					if ($curday) $xml .= "</node>\n";
					$xml .= "<node TEXT=\"$dateformatted\">\n";
					$curday = $day;
				}

				$pagelink = $this->config["base_url"].$pagetag;
				$xml .= "<node LINK=\"$pagelink\" TEXT=\"$pagetag\" FOLDED=\"true\">\n";
				$timeformatted = date("H:i T", strtotime($page["time"]));
				$xml .= "<node LINK=\"$pagelink/revisions\" TEXT=\"Revision time: $timeformatted\"/>\n";
				if ($pagenote = $page["note"])
				{
					$xml .= "<node TEXT=\"$pageuser: $pagenote\"/>\n";
				} else
				{
					$xml .= "<node TEXT=\"Author: $pageuser\"/>\n";
				}


				$xml .= "<node LINK=\"$pagelink/history\" TEXT=\"View History\"/>\n";
				$xml .= "</node>\n";
				// $xml .= "<arrowlink ENDARROW=\"Default\" DESTINATION=\"Freemind_Link_".$page["user"]."\" STARTARROW=\"None\"/>\n";
				if (is_array($users[$pageuser]))
				{
					$u_count = count($users[$pageuser]);
					$users[$pageuser][$u_count] = $pagetag;
				} else
				{
					$users[$pageuser][0] = $pageuser;
					$users[$pageuser][1] = $pagetag;
				}

			}
		}

		$xml .= "</node></node><node TEXT=\"Author\" POSITION=\"left\">\n";
		foreach ($users as $user)
		{
			$start_loop = true;
			foreach ($user as $user_page)
			{
				if (!$start_loop)
				{
					$xml .= "<node TEXT=\"".$user_page."\"/>\n";
				} else
				{
					$xml .= "<node TEXT=\"$user_page\">\n";
					$start_loop = false;
				}
			}
			$xml .= "</node>\n";
			// $xml .= "<node ID=\"Freemind_Link_".$user["user"]."\" TEXT=\"".$page["user"]."\"/>\n";
		}
	}
	else
	{
		$xml .= "<item>\n";
		$xml .= "<title>Error</title>\n";
		$xml .= "<link>".$this->Href("show")."</link>\n";
		$xml .= "<description>You're not allowed to access this information.</description>\n";
		$xml .= "</item>\n";
	}

	$xml .= "</node></node>\n";
	$xml .= "</map>\n";

	// If this user is a logged in user (thus a defined filename from above)
	if ($filename != "")
	{
		$fp = @fopen($filename, "w");
		fwrite($fp, $xml);
		fclose($fp);
	}

	// Set the flag to say we've already done the map generation work
	$_SESSION["mnprinted"] = "printed";

	// and reload this page
	$this->Redirect($this->Href());
}
else
{
	// This must then be the 2nd pass, so lets zap the flag.
	$_SESSION["mnprinted"] = null;

	// Set up a URL for the mindmap
	// NOTE!!! WAKKA_HOST is a *new* config variable!

	echo "<br>This page will show the ".$max." most recent changes to this Wikki</br><br>";

	// Extract host info from base_url. It is assumed that wikka.php will always be the starting php file...
	$baseurl = $this->config["base_url"];
	$pos = strpos($baseurl, "wikka.php");
	if ($pos > 1)
	{
		$host = substr($baseurl, 0, $pos - 1);
	}
	else
	{
		// Force the error msg below to be shown
		$host = null;
	}

	if (!$host || $host == "")
	{
		echo "Could not derive hostname. Is the base_url variable in wikka.config.php defined?";
	}
	else
	{
		$mindmap_url = $host."/".$filename;
		$mindmap_url = $this->cleanUrl(trim($mindmap_url));

		if (is_array($vars))
		{
			foreach ($vars as $param => $value)
			{
				if ($param == 'height') {$height = $this->htmlspecialchars_ent($vars['height']);}
			}
		}

		if (!$height)
			{
				$height = "500";
			}

		$mindmap_url_fullscreen = "3rdparty/plugins/freemind/fullscreen.php?url=$mindmap_url";

		$output =
		"<script type=\"text/javascript\" language=\"JavaScript\">\n".
		"<!--\n".
		"    if(!navigator.javaEnabled()) {\n".
		"        document.write('Please install a <a href=\"http://www.java.com/\">Java Runtime Environment</a> on your computer.');\n".
		"    }\n".
		"function popup(mylink, windowname)\n".
		"{\n".
		"if (! window.focus)return true;\n".
		"var href;\n".
		"if (typeof(mylink) == 'string')\n".
		"   href=mylink;\n".
		"else\n".
		"   href=mylink.href;\n".
		"window.open(href, windowname, ',type=fullWindow,fullscreen,scrollbars=yes');\n".
		"return false;\n".
		"}\n".
		"//-->\n".
		"</script>\n".
		"<applet code=\"freemind.main.FreeMindApplet.class\" archive=\"3rdparty/plugins/freemind/freemindbrowser.jar\" width=\"100%\" height=\"$height\">\n".
		"	<param name=\"type\" value=\"application/x-java-applet;version=1.4\" />\n".
		"	<param name=\"scriptable\" value=\"false\" />\n".
		"	<param name=\"modes\" value=\"freemind.modes.browsemode.BrowseMode\" />\n".
		"	<param name=\"browsemode_initial_map\" value=\"$mindmap_url\" />\n".
		"	<param name=\"initial_mode\" value=\"Browse\" />\n".
		"	<param name=\"selection_method\" value=\"selection_method_direct\" />\n".
		"</applet>\n".
		"<br />\n".
		"<span class=\"floatr\"><a href=\"$mindmap_url\">Download this mind map</a> :: Use <a href=\"http://freemind.sourceforge.net/\">Freemind</a> to edit it :: <a href=\"$mindmap_url_fullscreen\" onclick=\"return popup(this,'fullmindmap')\">Open fullscreen</a></span><div style=\"clear:both;\"></div>\n";

		print($output);
	}
}

?>
%%


====Categories====
CategoryUserContributions