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Meteor And Helper

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meteorhelper.js
JavaScript
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////////// Helpers for in-place editing //////////
// Returns an event_map key for attaching "ok/cancel" events to
// a text input (given by selector)
var okcancel_events = function (selector) {
return 'keyup '+selector+', keydown '+selector+', focusout '+selector;
};
// Creates an event handler for interpreting "escape", "return", and "blur"
// on a text field and calling "ok" or "cancel" callbacks.
var make_okcancel_handler = function (options) {
var ok = options.ok || function () {};
var cancel = options.cancel || function () {};
return function (evt) {
if (evt.type === "keydown" && evt.which === 27) {
// escape = cancel
cancel.call(this, evt);
} else if (evt.type === "keyup" && evt.which === 13) {
// blur/return/enter = ok/submit if non-empty
var value = String(evt.target.value || "");
if (value)
ok.call(this, value, evt);
else
cancel.call(this, evt);
}
};
};

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