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var React = require("react");
var _ = require("lodash");
var utils = require("../utils.js");
var common = require("./common.js");
var Prompt = React.createClass({
mixins: [common.ChildFocus],
propTypes: {
options: React.PropTypes.array.isRequired,
done: React.PropTypes.func.isRequired,
prompt: React.PropTypes.string
},
componentDidMount: function () {
React.findDOMNode(this).focus();
},
onKeyDown: function (e) {
e.stopPropagation();
e.preventDefault();
var opts = this.getOptions();
for (var i = 0; i < opts.length; i++) {
var k = opts[i].key;
if (utils.Key[k.toUpperCase()] === e.keyCode) {
this.done(k);
return;
}
}
if (e.keyCode === utils.Key.ESC || e.keyCode === utils.Key.ENTER) {
this.done(false);
}
},
onClick: function (e) {
this.done(false);
},
done: function (ret) {
this.props.done(ret);
this.returnFocus();
},
getOptions: function () {
var opts = [];
var keyTaken = function (k) {
return _.includes(_.pluck(opts, "key"), k);
};
for (var i = 0; i < this.props.options.length; i++) {
var opt = this.props.options[i];
if (_.isString(opt)) {
var str = opt;
while (str.length > 0 && keyTaken(str[0])) {
str = str.substr(1);
}
opt = {
text: opt,
key: str[0]
};
}
if (!opt.text || !opt.key || keyTaken(opt.key)) {
throw "invalid options";
} else {
opts.push(opt);
}
}
return opts;
},
render: function () {
var opts = this.getOptions();
opts = _.map(opts, function (o) {
var prefix, suffix;
var idx = o.text.indexOf(o.key);
if (idx !== -1) {
prefix = o.text.substring(0, idx);
suffix = o.text.substring(idx + 1);
} else {
prefix = o.text + " (";
suffix = ")";
}
var onClick = function (e) {
this.done(o.key);
e.stopPropagation();
}.bind(this);
return <span
key={o.key}
className="option"
onClick={onClick}>
{prefix}
<strong className="text-primary">{o.key}</strong>{suffix}
</span>;
}.bind(this));
return <div tabIndex="0" onKeyDown={this.onKeyDown} onClick={this.onClick} className="prompt-dialog">
<div className="prompt-content">
{this.props.prompt || <strong>Select: </strong> }
{opts}
</div>
</div>;
}
});
module.exports = Prompt;
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