31 lines
		
	
	
		
			894 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			894 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
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|  * @license    GNU General Public License version 2 or later; see LICENSE.txt
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|  */
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| (() => {
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| 
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|   const onChange = value => {
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|     if (value === '-' || parseInt(value, 10) === 0) {
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|       document.getElementById('menuselect-group').classList.add('hidden');
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|     } else {
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|       document.getElementById('menuselect-group').classList.remove('hidden');
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|     }
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|   };
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|   const onBoot = () => {
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|     const element = document.getElementById('jform_assignment');
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|     if (element) {
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|       // Initialise the state
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|       onChange(element.value);
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| 
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|       // Check for changes in the state
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|       element.addEventListener('change', ({
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|         target
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|       }) => {
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|         onChange(target.value);
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|       });
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|     }
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|     document.removeEventListener('DOMContentLoaded', onBoot);
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|   };
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|   document.addEventListener('DOMContentLoaded', onBoot);
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| })();
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