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lib/Devel/SizeMe/Graph/static/jit.js  view on Meta::CPAN

    var object = arguments[i];
    if ($.type(object) != 'object')
      continue;
    for ( var key in object) {
      var op = object[key], mp = mix[key];
      mix[key] = (mp && $.type(op) == 'object' && $.type(mp) == 'object') ? $
          .merge(mp, op) : $.unlink(op);
    }
  }
  return mix;
};

$.unlink = function(object) {
  var unlinked;
  switch ($.type(object)) {
  case 'object':
    unlinked = {};
    for ( var p in object)
      unlinked[p] = $.unlink(object[p]);
    break;
  case 'array':
    unlinked = [];
    for ( var i = 0, l = object.length; i < l; i++)
      unlinked[i] = $.unlink(object[i]);
    break;
  default:
    return object;
  }
  return unlinked;
};

$.zip = function() {
  if(arguments.length === 0) return [];
  for(var j=0, ans=[], l=arguments.length, ml=arguments[0].length; j<ml; j++) {
    for(var i=0, row=[]; i<l; i++) {
      row.push(arguments[i][j]);
    }
    ans.push(row);
  }
  return ans;
};

/*
  Method: rgbToHex
  
  Converts an RGB array into a Hex string.
  
  Parameters:
  
  srcArray - (array) An array with R, G and B values
  
  Example:
  (start code js)
  $jit.util.rgbToHex([255, 255, 255]); //'#ffffff'
  (end code)
*/
$.rgbToHex = function(srcArray, array) {
  if (srcArray.length < 3)
    return null;
  if (srcArray.length == 4 && srcArray[3] == 0 && !array)
    return 'transparent';
  var hex = [];
  for ( var i = 0; i < 3; i++) {
    var bit = (srcArray[i] - 0).toString(16);
    hex.push(bit.length == 1 ? '0' + bit : bit);
  }
  return array ? hex : '#' + hex.join('');
};

/*
  Method: hexToRgb
  
  Converts an Hex color string into an RGB array.
  
  Parameters:
  
  hex - (string) A color hex string.
  
  Example:
  (start code js)
  $jit.util.hexToRgb('#fff'); //[255, 255, 255]
  (end code)
*/
$.hexToRgb = function(hex) {
  if (hex.length != 7) {
    hex = hex.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
    hex.shift();
    if (hex.length != 3)
      return null;
    var rgb = [];
    for ( var i = 0; i < 3; i++) {
      var value = hex[i];
      if (value.length == 1)
        value += value;
      rgb.push(parseInt(value, 16));
    }
    return rgb;
  } else {
    hex = parseInt(hex.slice(1), 16);
    return [ hex >> 16, hex >> 8 & 0xff, hex & 0xff ];
  }
};

$.destroy = function(elem) {
  $.clean(elem);
  if (elem.parentNode)
    elem.parentNode.removeChild(elem);
  if (elem.clearAttributes)
    elem.clearAttributes();
};

$.clean = function(elem) {
  for (var ch = elem.childNodes, i = 0, l = ch.length; i < l; i++) {
    $.destroy(ch[i]);
  }
};

/*
  Method: addEvent
  
  Cross-browser add event listener.