Formatter.prototype.resetPattern = function (str) {
// Update opts to hold new pattern
this.opts.patterns = str ? this._specFromSinglePattern(str) : this.opts.patterns;
// Get current state
this.sel = inptSel.get(this.el);
this.val = this.el.value;
// Init values
this.delta = 0;
// Remove all formatted chars from val
this._removeChars();
this.patternMatcher = patternMatcher(this.opts.patterns);
// Update pattern
var newPattern = this.patternMatcher.getPattern(this.val);
this.mLength = newPattern.mLength;
this.chars = newPattern.chars;
this.inpts = newPattern.inpts;
// Format on start
this._processKey('', false, true);
};
//
// Class Constructor - Called with new Formatter(el, opts)
// Responsible for setting up required instance variables, and
// attaching the event listener to the element.
//
function Formatter(el, opts) {
// Cache this
var self = this;
// Make sure we have an element. Make accesible to instance
self.el = el;
if (!self.el) {
throw new TypeError('Must provide an existing element');
}
// Merge opts with defaults
self.opts = utils.extend({}, defaults, opts);
// 1 pattern is special case
if (typeof self.opts.pattern !== 'undefined') {
self.opts.patterns = self._specFromSinglePattern(self.opts.pattern);
delete self.opts.pattern;
}
// Make sure we have valid opts
if (typeof self.opts.patterns === 'undefined') {
throw new TypeError('Must provide a pattern or array of patterns');
}
self.patternMatcher = patternMatcher(self.opts.patterns);
// Upate pattern with initial value
self._updatePattern();
// Init values
self.hldrs = {};
self.focus = 0;
// Add Listeners
utils.addListener(self.el, 'keydown', function (evt) {
self._keyDown(evt);
});
utils.addListener(self.el, 'keypress', function (evt) {
self._keyPress(evt);
});
utils.addListener(self.el, 'paste', function (evt) {
self._paste(evt);
});
// Persistence
if (self.opts.persistent) {
// Format on start
self._processKey('', false);
self.el.blur();
// Add Listeners
utils.addListener(self.el, 'focus', function (evt) {
self._focus(evt);
});
utils.addListener(self.el, 'click', function (evt) {
self._focus(evt);
});
utils.addListener(self.el, 'touchstart', function (evt) {
self._focus(evt);
});
}
}