OMGM Code

Status: Beta
Brought to you by: ifkkiruna
[r4]: / omgm / admin.php Maximize Restore History

279 lines (244 with data), 7.2 kB

<?php
include_once "define.php";
include "db.php";

$db = new Db();

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    <head>
        <title>OMGM Admin</title>
        <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1" />
        <link href="resources/main.css" rel="stylesheet" type="text/css" />

    </head>
    <body>
<div id="navigation">
<?
	include "menu.inc";
?>
</div>
        <h1>Administration</h1>

<?php
getZoomLevels();
if( $_POST["deleteZoom"] ){
	if( strcmp($_POST["password"], ADMINPASSWORD) != 0)
		echo '<font color="red">Invalid password</font>';
	else {
  echo "<p><textarea cols=\"50\" rows=\"5\">";

  $zoom = $_POST["zoom"];
  if( strcmp("all", $zoom) == 0){
    deleteFilesInDir("tilesdir/");
    $db->deleteAllTiles();
  }
  else{
    deleteFilesInDir("tilesdir/".$zoom."/");
    $db->deleteTilesAtZoom($zoom);
  }
  echo "</textarea></p>";
	}
}
if( $_POST["deleteMap"] ){
	if( strcmp($_POST["password"], ADMINPASSWORD) != 0)
		echo '<font color="red">Invalid password</font>';
	else {
  
  if(is_array($_POST["mapid"])){
    foreach($_POST["mapid"] as $mapId){
      deleteMap($mapId);
    }
  }
  else{
    echo "<p class=\"info\">No map(s) selected</p>"; 
  }
 	}
}

$maps = $db->getMaps();

$db->setNumTiles($maps);

echo "<form action=\"admin.php\" method=\"post\"><table class=\"horizontaldata\">";
echo "<tr><th></th><th>Name</th><th>Epsg</th><th>Tiles</th><th>Contact 
name</th><th>Contact 
info</th><th>Added</th><th>IP</th><th>Host</th></tr>";

foreach($maps as $map){  
  echo "<tr>";
  echo "<td><input type=\"checkbox\" name=\"mapid[]\" value=\"".$map["id"]."\" /></td>";
  echo "<td>".$map["name"]."</td>";
  echo "<td>".$map["epsg"]."</td>";
  echo "<td>".$map["totalTiles"]."</td>";  
  echo "<td>".$map["contactName"]."</td>";
  echo "<td>".$map["contactInfo"]."</td>";
  echo "<td>".$map["addedDate"]."</td>";
  echo "<td>".$map["addedIp"]."</td>";
  echo "<td>".gethostbyaddr($map["addedIp"])."</td>";
  echo "</tr>";
}
?>
</table>
<p>
Password: <input type="password" name="password" />
<input type="submit" name="deleteMap" value="Delete selected map(s)" />
</p>
</form>

<form action="admin.php" method="post">
<p>
Password: <input type="password" name="password" />
  Delete tiles at zoom level: 
<select name="zoom">
  <option value="all">All</option>
<?php
  $zoomLevels = getZoomLevels();
  //foreach($zoomLevels as $level){
  for($level=6;$level<16;$level++){
    echo "<option value=\"$level\">$level</option>\n";
  }
?>
</select>
<input type="submit" name="deleteZoom" value="Delete" />
</p>
</form>
    </body>
</html>

<?php

function deleteMap($mapId){
  global $db;
  // ta bort tiles, karta och filer. om en thar slagits ihop ska detta justeras

  $tiles = $db->getTiles($mapId);

  foreach($tiles as $tile){
     deleteTileFile($tile);
  }
  $db->deleteTilesByMap($mapId);
  $db->deleteMap($mapId);
}

function deleteTileFile($tile){
  global $db;
  if( $tile["duplicate"] ){
    $mergedTiles = $db->getTilesByName($tile["tileX"], $tile["tileY"]);
    unlink( createFileName($tile, $tile["mapId"]) );
    unlink( createFileName($tile, false) );

    recreateTileFile($tile, $mergedTiles);   

    if( count($mergedTiles) == 2){
       // if count was 2 it should soon be 1 so the remainder is not a duplicate

       $reminder = $mergedTiles[0];

       if( $reminder["mapId"] == $tile["mapId"] ){
         $reminder = $mergedTiles[1];
       }

       $db->setUnmerged($reminder["mapId"], $reminder["tileX"], $reminder["tileY"]);

    }
  }
  else{
    unlink( createFileName($tile, false));
  }
}

function recreateTileFile($excludeTile, $mergedTiles){
  $destIm = false;
  $im = false;
  foreach($mergedTiles as $tile){
    if( $tile["mapId"] != $excludeTile["mapId"]){

      $n = createFileName($tile, $tile["mapId"]);

      if( $destIm ){
        $im = imagecreatefrompng($n);
        imagecopymerge_alpha($destIm, $im, 0,0, 0,0, 256,256,100);
      }
      else{
        $destIm = imagecreatefrompng( $n );
      }
    }
    if($im){
      imagedestroy($im);
    }
  }

  $f = createFileName($excludeTile, false);
  imagepng($destIm, $f);
  imagedestroy($destIm);
}

function createFileName($tile, $mapId){
  if($mapId){
    return "tilesdir/".$tile["zoom"]."/x".$tile["tileX"]."_y".$tile["tileY"].".png_".$mapId;
  }
  else{
    return "tilesdir/".$tile["zoom"]."/x".$tile["tileX"]."_y".$tile["tileY"].".png";
  }
}

function getZoomLevels(){
  $baseDir = "tilesdir/";
  $dirs = scandir($baseDir);
  $zoomLevels = array();
   foreach($dirs as $dir){
     if( !(strcmp(".", $dir) == 0 || strcmp("..", $dir) == 0) ){
       if(dirContainFiles($baseDir.$dir)){
         $zoomLevels[] = $dir;
       }
     }
   }
  sort($zoomLevels);
  return $zoomLevels;
}

function dirContainFiles($dir){
  if(is_dir($dir)){
    $content = scandir($dir);
    if( count($content) > 2 ){
      return true;
    }
  }
  return false;
}

function deleteFilesInDir($dir){
   echo "** Delete files in dir ".$dir."\n";

   $files = scandir($dir);

   foreach($files as $file){
     if( !(strcmp(".", $file) == 0 || strcmp("..", $file) == 0) ){
       $path = $dir.$file;
       if( is_dir($path) ){
         echo "Is dir: ".$path."\n";
         deleteFilesInDir($path."/");
         echo "Delete dir: ".$path."\n";
         rmdir($path);
       }
       else{
         echo "Is file: ".$path."\n";
         unlink($path);
       }
     }
   }
}

function imagecopymerge_alpha($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $pct){
    if(!isset($pct)){
        return false;
    }
    $pct /= 100;
    // Get image width and height
    $w = imagesx( $src_im );
    $h = imagesy( $src_im );
    // Turn alpha blending off
    imagealphablending( $src_im, false );
    // Find the most opaque pixel in the image (the one with the smallest alpha value)
    $minalpha = 127;
    for( $x = 0; $x < $w; $x++ )
    for( $y = 0; $y < $h; $y++ ){
        $alpha = ( imagecolorat( $src_im, $x, $y ) >> 24 ) & 0xFF;
        if( $alpha < $minalpha ){
            $minalpha = $alpha;
        }
    }
    //loop through image pixels and modify alpha for each
    for( $x = 0; $x < $w; $x++ ){
        for( $y = 0; $y < $h; $y++ ){
            //get current alpha value (represents the TANSPARENCY!)
            $colorxy = imagecolorat( $src_im, $x, $y );
            $alpha = ( $colorxy >> 24 ) & 0xFF;
            //calculate new alpha
            if( $minalpha !== 127 ){
                $alpha = 127 + 127 * $pct * ( $alpha - 127 ) / ( 127 - $minalpha );
            } else {
                $alpha += 127 * $pct;
            }
            //get the color index with new alpha
            $alphacolorxy = imagecolorallocatealpha( $src_im, ( $colorxy >> 16 ) & 0xFF, ( $colorxy >> 8 ) & 0xFF, $colorxy & 0xFF, $alpha );
            //set pixel with the new color + opacity
            if( !imagesetpixel( $src_im, $x, $y, $alphacolorxy ) ){
                return false;
            }
        }
    }
    // The image copy
    imagecopy($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h);
} 
?>