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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* Modules
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*/
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var Comp = Require('com/compat');
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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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* RadioButton
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*/
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function RadioButton(options) {
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var self = this;
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if (!instanceOf(this,Node)) {
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return new RadioButton(options);
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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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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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//RadioButton.prototype.__proto__ = Checkbox.prototype;
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inheritPrototype(RadioButton,Checkbox);
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RadioButton.prototype.type = 'radio-button';
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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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RadioButton.prototype.toggle = RadioButton.prototype.check;
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/**
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* Expose
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*/
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module.exports = RadioButton;
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