OMGM Code
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Diff of /omgm/admin.php [000000] .. [r1] Maximize Restore
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--- a +++ b/omgm/admin.php @@ -0,0 +1,278 @@ +<?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); +} +?>