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<?php
/**
* *************************
* projekat WorkForMe
* datoteka funkcije.php
* opis pomocne funkcije
* verzija 1.1
* autor Igor Stefanovic
* mail stefanovicdesign@gmail.com
* web http://www.igorstefanovic.rs
* **************************
*/
//skrati text u slideru thumb
function skrati($str, $n = 60, $end_char = ' …') {
if (strlen($str) < $n) {
return $str;
}
$str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str));
if (strlen($str) <= $n) {
return $str;
}
$out = "";
foreach (explode(' ', trim($str)) as $val) {
$out .= $val.' ';
if (strlen($out) >= $n) {
$out = trim($out);
return (strlen($out) == strlen($str)) ? $out : $out.$end_char;
}
}
}
function konvertujDatum($date) {
list($d, $m, $Y) = explode("/", $date);
return $Y."-".$m."-".$d."";
}
function resizeImage($file_tmp, $file_type, $targetdir, $ThumbWidth, $name, $Sheight = "auto") {
if($file_type == "image/pjpeg" || $file_type == "image/jpeg") {
$new_img = imagecreatefromjpeg($file_tmp);
} elseif($file_type == "image/x-png" || $file_type == "image/png") {
$new_img = imagecreatefrompng($file_tmp);
}elseif($file_type == "image/gif") {
$new_img = imagecreatefromgif($file_tmp);
}
if($Sheight == "auto") {
list($width, $height) = getimagesize($file_tmp);
$imgratio=$width/$height;
if ($imgratio>1) {
$newwidth = $ThumbWidth;
$newheight = $ThumbWidth/$imgratio;
} else {
$newheight = $ThumbWidth;
$newwidth = $ThumbWidth*$imgratio;
}
} else {
list($width, $height) = getimagesize($file_tmp);
$imgratio=$width/$height;
if ($imgratio>1) {
$newwidth = $ThumbWidth;
$newheight = $Sheight;
} else {
$newheight = $Sheight;
$newwidth = $ThumbWidth*$imgratio;
}
}
if (function_exists(imagecreatetruecolor)){
$resized_img = imagecreatetruecolor($newwidth,$newheight);
} else {
die("GRESKA: Uverite se da je verzija vase GD biblioteke 2+");
}
imagecopyresized($resized_img, $new_img, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
ImageJpeg ($resized_img, $targetdir.$name);
ImageDestroy ($resized_img);
ImageDestroy ($new_img);
}
function cropImage($nw, $nh, $source, $stype, $dest) {
$size = getimagesize($source);
$w = $size[0];
$h = $size[1];
switch($stype) {
case 'gif':
$simg = imagecreatefromgif($source);
break;
case 'jpg':
$simg = imagecreatefromjpeg($source);
break;
case 'png':
$simg = imagecreatefrompng($source);
break;
case 'GIF':
$simg = imagecreatefromgif($source);
break;
case 'JPG':
$simg = imagecreatefromjpeg($source);
break;
case 'PNG':
$simg = imagecreatefrompng($source);
break;
}
$dimg = imagecreatetruecolor($nw, $nh);
$wm = $w/$nw;
$hm = $h/$nh;
$h_height = $nh/2;
$w_height = $nw/2;
if($w> $h) {
$adjusted_width = $w / $hm;
$half_width = $adjusted_width / 2;
$int_width = $half_width - $w_height;
imagecopyresampled($dimg, $simg, -$int_width, 0, 0, 0, $adjusted_width, $nh, $w, $h);
} elseif(($w <$h) || ($w == $h)) {
$adjusted_height = $h / $wm;
$half_height = $adjusted_height / 2;
$int_height = $half_height - $h_height;
imagecopyresampled($dimg, $simg, 0, -$int_height, 0, 0, $nw, $adjusted_height, $w, $h);
} else {
imagecopyresampled($dimg, $simg, 0, 0, 0, 0, $nw, $nh, $w, $h);
}
imagejpeg($dimg,$dest);
}
function check_login($username, $password) {
global $link;
if ($username && $password) {
if ($_SESSION['logged_in'] == $username) {
print "<META http-equiv=\"refresh\" content=\"0;URL=index.php\">";
exit;
}
$password = md5($password);
$kveri = "select * from users where user = '".$username."' and pass = '".$password."'";
$upit = mysql_query($kveri, $link) or die("Pojavila se greška prilikom izvršavanja upita. Pokušajte ponovo!");
$data = mysql_fetch_array($upit, MYSQL_ASSOC);
if (mysql_num_rows($upit) == 1) {
$_SESSION['logged_in'] = $data['id'];
print "<META http-equiv=\"refresh\" content=\"0;URL=index.php\">";
exit;
} else {
print "Korisničko ime ili šifra koju ste uneli nije tačna. Pokušajte ponovo.";
exit;
}
}
}
function check() {
if (!$_SESSION['logged_in']) {
print "<META http-equiv=\"refresh\" content=\"0;URL=prijava.php\">";
exit;
}
}
function sizeOfFile($file_size) {
if ($file_size >= 1048576){
$show_filesize = number_format(($file_size / 1048576),2) . " MB";
}elseif ($file_size >= 1024){
$show_filesize = number_format(($file_size / 1024),2) . " KB";
}elseif ($file_size >= 0){
$show_filesize = $file_size . " bitova";
}else{
$show_filesize = "0 bitova";
}
return $show_filesize;
}
function napraviNasDatum($date) {
list($y, $m, $d) = explode("-", $date);
return $d.".".$m.".".$Y.".";
}
function napraviNasDatum2($date) {
list($y, $m, $d) = explode("-", $date);
return $d.".".$m.".".$y.".";
}
function build_category_tree(&$output, $preselected, $parent=0, $indent=""){
$r = mysql_query("SELECT id, kategorija FROM kategorije WHERE parent = " . $parent . "");
while($c = mysql_fetch_array($r, MYSQL_ASSOC)){
$selected = ($c["id"] == $preselected) ? "selected=\"selected\"" : "";
$output .= "<option value=\"" . $c["id"] . "\" " . $selected . ">" . $indent . $c["kategorija"] . "</option>";
if($c["id"] != $parent){
build_category_tree($output, $preselected, $c["id"], $indent . " ");
}
}
}
function createPagination($url_link, $page, $resultCount, $limit) {
echo "<div id=\"pagination\" align=\"center\">";
$totalPages = ceil($resultCount / $limit);
$firstPage = ($page == 1) ? 0 : 1;
$lastPage = ($page == $totalPages) ? 0: $totalPages;
$prevPage = ($page - 1 <= 0) ? 0 : $page - 1;
$nextPage = ($page+1 <= $totalPages) ? $page+1 : 0;
if($page < 4) {
$i = 1;
$countTill = ($totalPages > 6) ? 6 : $totalPages;
} else {
$i = $page - 3;
$countTill = ($page + 3 <= $totalPages) ? $page+3 : $totalPages;
}
// printing first page link
echo "<div style=\"float:left; width:auto; padding:4px;\">";
if($firstPage != 0) {
echo "<a href=\"".$url_link."page/".$firstPage."\">Prva</a> ";
} else {
echo "Prva";
}
echo "</div>";
// printing previous page link
echo "<div style=\"float:left; width:auto; padding:4px;\">";
if($prevPage != 0) {
echo "<a href=\"".$url_link."page/".$prevPage."\">Prethodna</a> ";
} else {
echo "Prethodna";
}
echo "</div>";
// printing middle pages
echo "<div style=\"float:left; width:auto; padding:4px;\">";
for($i; $i <= $countTill; $i++) {
if($page == $i) $additionalClass = " active"; else $additionalClass = "";
echo "<a href=\"".$url_link."page/".$i."\" class=\"number $additionalClass\">".$i."</a> ";
}
echo "</div>";
// printing next page link
echo "<div style=\"float:left; width:auto; padding:4px;\">";
if($nextPage != 0) {
echo "<a href=\"".$url_link."page/".$nextPage."\">Sledeća</a> ";
} else {
echo "Sledeća";
}
echo "</div>";
// printing last page link
echo "<div style=\"float:left; width:auto; padding:4px;\">";
if($lastPage != 0) {
echo "<a href=\"".$url_link."page/".$lastPage."\">Poslednja</a> ";
} else {
echo "Poslednja";
}
echo "</div>";
echo "</div>";
}
function leviMeni($izabran = "") {
switch($izabran) {
case "galerija":
$g = " class=\"active\"";
break;
case "clanice":
$c = " class=\"active\"";
break;
case "projekti":
$p = " class=\"active\"";
break;
case "oglasi":
$o = " class=\"active\"";
break;
case "vesti":
$v = " class=\"active\"";
break;
}
echo "<ul>".
"<li><a href=\"albumi.php\" $g>Galerija</a></li>".
"<li><a href=\"clanice.php\" $c>Clanice</a></li>".
"<li><a href=\"projekti.php\" $p>Projekti</a></li>".
"<li><a href=\"oglasi.php\" $o>Oglasi</a></li>".
"<li><a href=\"vesti.php\" $v>Vesti</a></li>".
"</ul>";
}
?>