urdu.js

;
(function($, window, document, undefined) {
  "use strict";

  var methods = {

    codes: {
      'a': 0x0627,
      'b': 0x0628,
      'c': 0x0686,
      'd': 0x062F,
      'e': 0x0639,
      'f': 0x0641,
      'g': 0x06AF,
      'h': 0x06BE,
      'i': 0x06CC,
      'j': 0x062c,
      'k': 0x06A9,
      'l': 0x0644,
      'm': 0x0645,
      'n': 0x0646,
      'o': 0x06C1,
      'p': 0x067E,
      'q': 0x0642,
      'r': 0x0631,
      's': 0x0633,
      't': 0x062A,
      'u': 0x0626,
      'v': 0x0637,
      'w': 0x0648,
      'x': 0x0634,
      'y': 0x06D2,
      'z': 0x0632,
      'A': 0x0622,
      'C': 0x062B,
      'D': 0x0688,
      'E': 0x0639,
      'F': 0x064D,
      'G': 0x063A,
      'H': 0x062D,
      'I': 0x0670,
      'J': 0x0636,
      'K': 0x062E,
      'L': 0x0628,
      'M': 0x064B,
      'N': 0x06BA,
      'O': 0x06C3,
      'P': 0x064F,
      'Q': 0x0656,
      'R': 0x0691,
      'S': 0x0635,
      'T': 0x0679,
      'U': 0x0631,
      'V': 0x0638,
      'W': 0x0634,
      'X': 0x0698,
      'Y': 0x0601,
      'Z': 0x0630
    },

    /**
     * __constructor method
     * @param {} user defined options
     */
    init: function(options) {
      var el = this;

      /**
       * save options
       */
      options = $.extend(true, {}, $.fn.urdu.defaults, options);
      el.data('options', options);
    },

    /**
     * Attachs validator to form.submit and field.blur events
     */
    attach: function() {
      this.on("keydown", methods._onKeydown);
      return this;
    },

    /**
     * Called on keydown
     *
     * @return 
     */
    _onKeydown: function(e) {
      var el = $(this),
        key = e.key,
        urduCode = methods._urduKey(e, key),
        cursorPosition = el.prop("selectionStart"),
        val = el.val();

      if (key === 'shiftKey' || key === 'Control') {
        return;
      }

      if (urduCode) {
        el.val([val.slice(0, cursorPosition), urduCode, val.slice(cursorPosition)].join(''));
        methods._setCaretPosition(el, cursorPosition + 1)


        event.preventDefault();
      }


      return true;
    },

    _setCaretPosition: function(el, caretPos) {

      if (el.createTextRange) {
        var range = el.createTextRange();
        range.move('character', caretPos);
        range.select();
      } else {
        if (el.selectionStart) {
          el.focus();
          el.setSelectionRange(caretPos, caretPos);
        } else
          el.focus();

      }
    },

    _urduKey: function(evt, key) {
      if (evt.ctrlKey || evt.altKey || !!!methods.codes[key]) {
        return false;
      }
      return String.fromCharCode(methods.codes[key]);
    }
  }

  $.fn.urdu = function() {

    this.each(function() {
      var el = $(this);

      methods.init.apply(el, arguments);
      return methods.attach.apply(el);


    });
  }
  $.fn.urdu.defaults = {
    onSuccess: false,
    onFailure: false,
    InvalidFields: [],
    showPrompt: true,
    validateNonVisibleFields: true,
    scroll: true,
    focusFirstField: true,
    validationAttribute: 'validationtype',
    errorClass: 'error',
    scrollSpeed: 300,
    groups: {}
  }

})(jQuery, window, document); //friehapapamama