CMS Made Simple Forums

Posted: **Mon Feb 25, 2008 4:28 pm**

Hi. I have problem with my script that show image thumbnail on my page. In frontend everything works great but not in admin panel.

action.show_thumb_for_advert.php

Code: Select all

<?php
if(!isset($gCms)) exit;
	$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
	$thumb_heigth = $this->GetPreference('thumb_for_advert_height', 80);
	if(empty($params['image_id']) || !$this->CorrectId($params['image_id'])){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 2'); // Niepoprawne ID
		exit;
	}
	$db = &$this->GetDB();
	$query = "SELECT image_name FROM module_FleaMarket_adverts_images WHERE image_id=".$params['image_id'];
	$result = $db->Execute($query);
	if(!$result) die($db->ErrorMsg());
	if($result->NumRows() == 0){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 3'); // Nie istenieje takie ID
		exit;
	}
	$row = $result->FetchRow();
	$adverts_img_dir = realpath(cms_join_path(dirname(__FILE__), '..', '..', 'uploads', 'images', 'fleamarket'));
	if(!$adverts_img_dir || !file_exists(cms_join_path($adverts_img_dir, $row['image_name']))){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 4'); // Nie istnieje taki plik
		exit;
	}
	$image_path = cms_join_path($adverts_img_dir, $row['image_name']);
	$image_info = @ getimagesize($image_path);
	if(empty($image_info)){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 5'); // To nie obrazek
		exit;
	}
	if($image_info[1] > $image_info[0]){
		$percent = round(($this->GetPreference('thumb_for_advert_height', 80) * 100) / $image_info[1], 0);
		$thumb_height = $this->GetPreference('thumb_for_advert_height', 80);
		$thumb_width = ceil(($percent / 100) * $image_info[1]);
	}else if($image_info[0] > $image_info[1]){
		$percent = round(($this->GetPreference('thumb_for_advert_width', 120) * 100) / $image_info[0], 0);
		$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
		$thumb_heigth = ceil(($percent / 100) * $image_info[1]);
	}else{
		$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
		$thumb_heigth = $this->GetPreference('thumb_for_advert_width', 120);
	}
	switch($image_info[2]){
		case IMAGETYPE_GIF : 
			$img_full = @imagecreatefromgif($image_path);
			if(!$img_full){
				$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 6'); // Nie można otworzyć obrazka GIF
				exit;
			}
			
			$img_thumb = imagecreatetruecolor($thumb_width, $thumb_heigth);
			imagecopyresampled($img_thumb, $img_full, 0, 0, 0, 0, $thumb_width, $thumb_heigth, $image_info[0], $image_info[1]);
			if(ini_get('zlib.output_compression')){
				ini_set('zlib.output_compression', 'Off');
			}
			@ob_clean();
			@ob_clean();
			header('Pragma: public');
			header('Expires: 0');
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Cache-Control: private', false);
			header('Content-Type: image/gif');
			imagegif($img_thumb);
			exit;
		break;
		
		case IMAGETYPE_JPEG : 
			$img_full = @imagecreatefromjpeg($image_path);
			if(!$img_full){
				$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 7'); // Nie można otworzyć obrazka JPEG
				exit;
			}
			$img_thumb = imagecreatetruecolor($thumb_width, $thumb_heigth);
			imagecopyresampled($img_thumb, $img_full, 0, 0, 0, 0, $thumb_width, $thumb_heigth, $image_info[0], $image_info[1]);
			if(ini_get('zlib.output_compression')){
				ini_set('zlib.output_compression', 'Off');
			}
			@ob_clean();
			@ob_clean();
			header('Pragma: public');
			header('Expires: 0');
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Cache-Control: private', false);
			header('Content-Type: image/jpeg');
			imagejpeg($img_thumb);
			exit;
		break;
		
		default: $this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 8'); // To nie jest obrazek typu JPEG lub GIF
		exit;
	}

?>

I transfer links to smarty like that:

Code: Select all

<?php
//....................................
$query = "SELECT image_id FROM module_FleaMarket_adverts_images WHERE advert_id=".$params['advert_id'];
	$result = $db->Execute($query);
	$adver_images = array();
	if($result->NumRows() != 0){
		$i = 0;
		while($row = $result->FetchRow()){
			$advert_images[$i]['image_thumb_link'] = $this->CreateLink($id, 'show_thumb_for_advert', $returnid, '', 
			array('image_id' =>$row['image_id'], 'showtemplate' => 'false'), '', true);
			$advert_images[$i]['image_big_link'] = $this->CreateLink($id, 'show_big_image', $returnid, '', 
			array('image_id' =>$row['image_id'], 'showtemplate' => 'false'), '', true);
			$i++;
		}
	}
	if(empty($advert_images)){
		$this->smarty->assign('advert_images', '');
	}else{
		$this->smarty->assign_by_ref('advert_images', $advert_images);
	}

//...................................
?>

and in my template I use them like this:

Code: Select all

{if !empty($advert_images)}
<div>
	{foreach from=$advert_images item=image}
	<a href="{$image.image_big_link}" target="_blank"><img src="{$image.image_thumb_link}" alt="zdjęcie"  /></a>
	{/foreach}
</div>	
{/if}

and for frontend it works great. In admin panel i use code:

action.admin_adverts_panel.php

Code: Select all

<?php
//............................
$query = "SELECT image_id FROM module_FleaMarket_adverts_images WHERE advert_id=".$row['advert_id'];
		$result = $db->Execute($query);
		if(!$result) die($db->ErrorMsg());
		$adver_images = array();
		if($result->NumRows() != 0){
			$i = 0;
			while($row = $result->FetchRow()){
				$advert_images[$i]['image_thumb_link'] = $this->CreateLink($id, 'show_thumb_for_advert', $returnid, '', 
				array('image_id' =>$row['image_id'], 'showtemplate' => 'false'), '', true, true);
				$advert_images[$i]['image_big_link'] = $this->CreateLink($id, 'show_big_image', $returnid, '', 
				array('image_id' =>$row['image_id'], 'showtemplate' => 'false'), '', true, true);
				$i++;
			}
		}
		if(empty($advert_images)){
			$this->smarty->assign('advert_images', '');
		}else{
			$this->smarty->assign_by_ref('advert_images', $advert_images);
		}
//............................
?>

and template

Code: Select all

{if !empty($advert_images)}
<div>
	{foreach from=$advert_images item=image}
	<a href="{$image.image_big_link}" target="_blank"><img src="{$image.image_thumb_link}" alt="zdjęcie"  /></a>
	{/foreach}
</div>	
{/if}

but images aren't displayed. Generated link in frontend is like this:

Code: Select all

http://domain.com/index.php?mact=FleaMarket,cntnt01,show_thumb_for_advert,0&cntnt01image_id=11&cntnt01showtemplate=false&cntnt01returnid=64

and in admin panel:

Code: Select all

http://domain.com/admin/moduleinterface.php?mact=FleaMarket,m1_,show_thumb_for_advert,1&m1_image_id=3&m1_showtemplate=false

there is something wrong with .../admin/... in backend link but I don't know what.
And this is my thumbnail script:

Code: Select all

<?php
if(!isset($gCms)) exit;
	$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
	$thumb_heigth = $this->GetPreference('thumb_for_advert_height', 80);
	if(empty($params['image_id']) || !$this->CorrectId($params['image_id'])){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 2'); // Niepoprawne ID
		exit;
	}
	$db = &$this->GetDB();
	$query = "SELECT image_name FROM module_FleaMarket_adverts_images WHERE image_id=".$params['image_id'];
	$result = $db->Execute($query);
	if(!$result) die($db->ErrorMsg());
	if($result->NumRows() == 0){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 3'); // Nie istenieje takie ID
		exit;
	}
	$row = $result->FetchRow();
	$adverts_img_dir = realpath(cms_join_path(dirname(__FILE__), '..', '..', 'uploads', 'images', 'fleamarket'));
	if(!$adverts_img_dir || !file_exists(cms_join_path($adverts_img_dir, $row['image_name']))){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 4'); // Nie istnieje taki plik
		exit;
	}
	$image_path = cms_join_path($adverts_img_dir, $row['image_name']);
	$image_info = @ getimagesize($image_path);
	if(empty($image_info)){
		$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 5'); // To nie obrazek
		exit;
	}
	if($image_info[1] > $image_info[0]){
		$percent = round(($this->GetPreference('thumb_for_advert_height', 80) * 100) / $image_info[1], 0);
		$thumb_height = $this->GetPreference('thumb_for_advert_height', 80);
		$thumb_width = ceil(($percent / 100) * $image_info[1]);
	}else if($image_info[0] > $image_info[1]){
		$percent = round(($this->GetPreference('thumb_for_advert_width', 120) * 100) / $image_info[0], 0);
		$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
		$thumb_heigth = ceil(($percent / 100) * $image_info[1]);
	}else{
		$thumb_width = $this->GetPreference('thumb_for_advert_width', 120);
		$thumb_heigth = $this->GetPreference('thumb_for_advert_width', 120);
	}
	switch($image_info[2]){
		case IMAGETYPE_GIF : 
			$img_full = @imagecreatefromgif($image_path);
			if(!$img_full){
				$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 6'); // Nie można otworzyć obrazka GIF
				exit;
			}
			
			$img_thumb = imagecreatetruecolor($thumb_width, $thumb_heigth);
			imagecopyresampled($img_thumb, $img_full, 0, 0, 0, 0, $thumb_width, $thumb_heigth, $image_info[0], $image_info[1]);
			if(ini_get('zlib.output_compression')){
				ini_set('zlib.output_compression', 'Off');
			}
			@ob_clean();
			@ob_clean();
			header('Pragma: public');
			header('Expires: 0');
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Cache-Control: private', false);
			header('Content-Type: image/gif');
			imagegif($img_thumb);
			exit;
		break;
		
		case IMAGETYPE_JPEG : 
			$img_full = @imagecreatefromjpeg($image_path);
			if(!$img_full){
				$this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 7'); // Nie można otworzyć obrazka JPEG
				exit;
			}
			$img_thumb = imagecreatetruecolor($thumb_width, $thumb_heigth);
			imagecopyresampled($img_thumb, $img_full, 0, 0, 0, 0, $thumb_width, $thumb_heigth, $image_info[0], $image_info[1]);
			if(ini_get('zlib.output_compression')){
				ini_set('zlib.output_compression', 'Off');
			}
			@ob_clean();
			@ob_clean();
			header('Pragma: public');
			header('Expires: 0');
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Cache-Control: private', false);
			header('Content-Type: image/jpeg');
			imagejpeg($img_thumb);
			exit;
		break;
		
		default: $this->CreateErrorThumb($thumb_width, $thumb_heigth, 'Error: 8'); // To nie jest obrazek typu JPEG lub GIF
		exit;
	}

?>

Plz help

Thanks

Posted: **Tue Feb 26, 2008 7:11 pm**

Ok maby i should ask how can I make link in admin panel that would be the same as created in frontend action. If I use the same CreateLink() function in frontend and in backend the links are different. Is there any function used in admin panel that could make link like in frontend? I tried to use CreateFrontEndLink() but it didn't work. Please help.

PS. sorry for my poor english

CMS Made Simple Forums

thumbnails script work for frontend not for backend

thumbnails script work for frontend not for backend

Re: thumbnails script work for frontend not for backend