112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  **      ==============================
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|  **       O           O      O   OOOO
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|  **       O           O     O O  O   O
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|  **       O           O     O O  O   O
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|  **       OOOO   OOOO O     OOO  OOOO
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|  **       O   O       O    O   O O   O
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|  **       O   O       O    O   O O   O
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|  **       OOOO        OOOO O   O OOOO
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|  **      ==============================
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|  **      Dr. Stefan Bosse http://www.bsslab.de
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|  **
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|  **      COPYRIGHT: THIS SOFTWARE, EXECUTABLE AND SOURCE CODE IS OWNED
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|  **                 BY THE AUTHOR(S).
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|  **                 THIS SOURCE CODE MAY NOT BE COPIED, EXTRACTED,
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|  **                 MODIFIED, OR OTHERWISE USED IN A CONTEXT
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|  **                 OUTSIDE OF THE SOFTWARE SYSTEM.
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|  **
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|  **    $AUTHORS:     Christopher Jeffrey, Stefan Bosse
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|  **    $INITIAL:     (C) 2013-2015, Christopher Jeffrey and contributors
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|  **    $MODIFIED:    by sbosse (2017-2021)
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|  **    $REVESIO:     1.3.1
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|  **
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|  **    $INFO:
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|  **
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|  **    radiobutton.js - radio button element for blessed
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|  **
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|  **     Added:
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|  **       - Simplified group management (using options.group identifier instead radioset parent)
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|  **
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|  **  Usage:
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|  **
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|  **  var obj = blessed.radiobutton({
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|  **      checked: options.value||false,  
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|  **      left: options.left,
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|  **      right : options.right,
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|  **      top: options.top||0,
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|  **      group:options.group,
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|  **      mouse: true,
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|  **      inputOnFocus: true,
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|  **      height: 1,
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|  **      text:options.text||'empty'
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|  **    });
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|  **    screen.append(obj);
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|  **    obj.on('select',function);
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|  ** 
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|  ** Events: 
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|  **   'check' 'uncheck' 'select'
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|  **    $ENDOFINFO
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|  */
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| 
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| /**
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|  * Modules
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|  */
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| var Comp = Require('com/compat');
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| 
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| var Node = Require('term/widgets/node');
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| var Checkbox = Require('term/widgets/checkbox');
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| 
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| /**
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|  * RadioButton
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|  */
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| 
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| function RadioButton(options) {
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|   var self = this;
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| 
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|   if (!instanceOf(this,Node)) {
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|     return new RadioButton(options);
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|   }
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| 
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|   options = options || {};
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|   this.group=options.group;
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|   Checkbox.call(this, options);
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| 
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|   this.on('check', function() {
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|     var el = self,
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|         group=self.group;
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|     while (el = el.parent) {
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|       if (el.type === 'radio-set'
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|           || el.type === 'form') break;
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|     }
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|     el = el || self.parent;
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|     var index=0;
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|     el.forDescendants(function(el) {
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|       if (el.type !== 'radio-button' || el === self || el.group!=group) {
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|         return;
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|       }
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|       index++;
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|       el.uncheck();
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|     });
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|   });
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| }
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| 
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| //RadioButton.prototype.__proto__ = Checkbox.prototype;
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| inheritPrototype(RadioButton,Checkbox);
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| 
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| RadioButton.prototype.type = 'radio-button';
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| 
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| RadioButton.prototype.render = function() {
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|   this.clearPos(true);
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|   this.setContent('(' + (this.checked ? '*' : ' ') + ') ' + this.text, true);
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|   return this._render();
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| };
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| 
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| RadioButton.prototype.toggle = RadioButton.prototype.check;
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| 
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| /**
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|  * Expose
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|  */
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| 
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| module.exports = RadioButton;
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