41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Name: Regen Thumb
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|  * Author: Shish <webmaster@shishnet.org>
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|  * License: GPLv2
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|  * Description: Regenerate a thumbnail image
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|  * Documentation:
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|  *  This adds a button in the image control section on an
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|  *  image's view page, which allows an admin to regenerate
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|  *  an image's thumbnail; useful for instance if the first
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|  *  attempt failed due to lack of memory, and memory has
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|  *  since been increased.
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|  */
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| 
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| class RegenThumb implements Extension {
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| 	var $theme;
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| 
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| 	public function receive_event(Event $event) {
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| 		if(is_null($this->theme)) $this->theme = get_theme_object($this);
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| 
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| 		if(($event instanceof PageRequestEvent) && $event->page_matches("regen_thumb")) {
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| 			global $user;
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| 			if($user->is_admin() && isset($_POST['image_id'])) {
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| 				global $config;
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| 				global $database;
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| 				$image = Image::by_id($config, $database, int_escape($_POST['image_id']));
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| 				send_event(new ThumbnailGenerationEvent($image->hash, $image->ext));
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| 				$this->theme->display_results($event->page, $image);
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| 			}
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| 		}
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| 
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| 		if($event instanceof ImageAdminBlockBuildingEvent) {
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| 			if($event->user->is_admin()) {
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| 				$event->add_part($this->theme->get_buttons_html($event->image->id));
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| 			}
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| 		}
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| 	}
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| }
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| add_event_listener(new RegenThumb());
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| ?>
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