";
}
//display editions through an horizontal line
/*
fomally done via GnuPlot, cf http://fabien.benetou.fr/Wiki/Visualization#timeline
http://www.scholarpedia.org/article/Spike-response_model is probably too complicated for the small resolution
*/
function DisplayVisualEdits($pagename){
global $ScriptUrl, $PubDir, $FarmD;
$processingpath = '/pub/libraries/processing.js';
$processingfile = "/pub/visualization/edits_per_page/$pagename.pjs";
$processinglib = "";
$first_edit = 1212192000;
$now = time();
// draw the timeline from the first edit to now()
// get the list of edits of the current page
// "get inspired" by PrintDiff() in scripts/pagerev.php
$canvaswidth = 600-2*10;
$canvasheight = 10;
$block_width = 4;
$block_height = 8;
$page = ReadPage($pagename);
if (!$page) return;
krsort($page); reset($page);
// newest first
// for each edit
$canvas = "
void setup()
{
size($canvaswidth, $canvasheight);
PFont font;
font = loadFont(\"FFScala-Bold-12.vlw\");
textFont(font);
}
void mouseMoved() {
checkButtons();
}
void mouseDragged() {
checkButtons();
}
void draw()
{
background(251);
fill(0,0,255,20);
noStroke();
";
$mousePressed = "void mousePressed() {";
$destination_link = "$ScriptUrl/".strtr($pagename,".","/")."?action=diff#diff";
$mousePressed .= "\t\tif (lastHovered>0) { link(\"$destination_link\"+lastHovered); }\n";
$checkButtons = "void checkButtons() {";
print $processinglib.'';
// set to false to de-activate cache (practical for tests)
$newest_diff = true;
//$newest_diff = false;
foreach($page as $k=>$v) {
if (!preg_match("/^diff:(\d+):(\d+):?([^:]*)/",$k,$match)) continue;
$diff = $match[1];
$diffclass = $match[3];
if ($diffclass=='minor')
{ $canvas .= "\t\tfill(0,255,0,20);\n"; }
else
{ $canvas .= "\t\tfill(0,0,255,20);\n"; }
$buttonname = "over".$diff."Button";
//$bools .= "boolean $buttonname = false;\n";
if (file_exists($FarmD.$processingfile) && $newest_diff)
if ( filemtime($FarmD.$processingfile) > $diff)
return;
$newest_diff = false;
// add a sightly transparent tick rectangle with its Unix timestamp link to the diff page
// the mouse over a certain edit should change its color
// see http://processingjs.org/learning/basic/embeddedlinks
// or clicablerects.js via Pomax on :mozilla2/#processing.js (14/05/2011 ~11pm)
$x = round ( ($canvaswidth - $block_width) * ( (($now - $first_edit)-($now-$diff)) / ($now - $first_edit)));
$y = 1;
$checkButtons .= "\t\tif ( mouseX > $x && mouseX < $x+$block_width) lastHovered = $diff; \n";
// if (mouseY > $y && mouseY < $y+$block_height) not really required
// others should be set to false else one always jump to the olded diff mouved over
$canvas .= "\t\trect($x,$y,$block_width,$block_height);\n";
}
$canvas .= "\t\tstroke(0,155);\n";
$canvas .= "\t\tfill(0,0,255,80);\n";
$canvas .= "\t\ttext(\"Edits:\",2,10 );\n";
$canvas .= "\t\tfill(0,0,255,40);\n";
for ($year=2009;$year<2012;$year++){ //each year until now
$unixyear = mktime(0,0,0,1,1,$year);
$x = round ( ($canvaswidth - $block_width) * ( (($now - $first_edit)-($now-$unixyear)) / ($now - $first_edit)));
$y = 0;
$canvas .= "line($x,$y,$x,$y+$block_height+2); text(\"$year\",$x+2,$y+10 );\n";
}
$canvas = $bools . $canvas ."}" . $mousePressed ."}" .$checkButtons . "}";
// load ProcessinJS
$write_result = file_put_contents($FarmD.$processingfile,$canvas);
// print resulting canvas
$older_gnuplot_version = "
";
}
//display images with transparancy invertionnaly proportional to last time of update
// http://fabien.benetou.fr/MemoryRecalls/ImprovingPIM#VisualDecayOfInformation
function DisplayDecay($pagename){
/*
consider
adding threshold
not keeping it linear (e.g. log)
but still constantly inscreasing between 0 and 1
use a factor when matches (e.g. regex changing $impeding_factor or $first_edit)
regex would match groupname (e.g. "Person." with fast decay) or pagename or both (e.g. "Math" with slow decay)
yellowish background, looking like old paper
...rest got deleted by a dumb rm...
*/
global $ScriptUrl;
$first_edit = 1212192000;
$now = time();
//load page
$page = ReadPage($pagename);
if (!$page) return;
$last_edit = $page["time"];
//get last edit
$destination_link = "$ScriptUrl/".strtr($pagename,".","/")."?action=edit";
//use the previous equation adding 1 - ()
$opacity = round ( 1 - ( (($now - $first_edit)-($now-$last_edit)) / ($now - $first_edit)) , 2 );
$opacitymsg = "opacity=$opacity";
if ($opacity > 0.8)
$opacitymsg = "".$opacitymsg."";
//if user if admin
if ( $GLOBALS['Author'] == 'Fabien' || $GLOBALS['Author'] == 'Utopiah' ) {
//for 1 to a multiplier of value
for ($i=0;$i<$opacity*10;$i++){
// display another visual problem with a link back to improvingwiki#visualdecay
print "";
}
// add a good practice msg
print "
$opacitymsg edits should be done to check if
the informamtion presented is still relevant,
links are working,
opinion expressed still correct, etc.
";
}
//print img with opacity + warning message
print "If you can read this text ($opacitymsg) if means the page has not been edited for a long time. Consequently the information it holds might be deprecated or no longer represent the opinion of this author.
![\"/pub/visualization/edits_per_page/{$pagename}.png\"/](\"/pub/visualization/edits_per_page/{$pagename}.png\")
(visualization details).