/*
  
  Script: toggle.js
  Author: Abhinav Singh mailsforabhinav[at]gmail[dot]com
  Website: http://abhinavsingh.com
  Code license: GNU General Public License v3
  
*/
Array.prototype.unique = function(b) {
  var a = [], i, l = this.length;
  for(i=0; i<l; i++) {
    if(a.indexOf(this[i], 0, b) < 0) { a.push(this[i]); }
  }
  return a;
};
var $ = {
  html: '',
  cid: 'container',
  xBoxes: 5,
  yBoxes: 5,
  boxWidth: 50,
  boxHeight: 50,
  version: 'classic',
  history: Array(),
  init: function() {
    var tmp = '';
    for(var i=0;i<this.yBoxes;i++) {
      for(var j=0;j<this.xBoxes;j++) {
        tmp += '<div onclick="$.toggle(this)" name="box" id="box-'+i+'-'+j+'" style="position:absolute; left:'+(j*this.boxWidth)+'px; top:'+(i*this.boxHeight)+'px; height:'+this.boxHeight+'px; width:'+this.boxWidth+'px" class="box">';
        tmp += '</div>';
      }
    }
    tmp += '<div style="position:absolute; top:'+((this.yBoxes*this.boxHeight)+5)+'px; left:0px;">';
    tmp += '  <b style="float:left">Version:</b> ';
    tmp += '  <select style="float:left" id="version" onchange="$.version = this.options[this.selectedIndex].value;">';
    tmp += '    <option value="classic">Classic</option>';
    tmp += '    <option value="custom">Custom</option>';
    tmp += '  </select>';
    tmp += '  <div style="float:left; padding-left:10px; text-decoration:underline; cursor:pointer;" onclick="alert($.history.unique())">View History</div>';
    tmp += '  <div style="float:left; padding-left:10px; cursor:pointer;" onclick="$.refresh();"><img src="http://abhinavsingh.com/webdemos/toggle/refresh.png"/></div>';
    tmp += '</div>';
    document.getElementById(this.cid).innerHTML = tmp;
  },
  toggle: function(t) {
    this.history.push((t.id.toString()).replace('box-',''));
    id = t.id; ids = id.split("-");
    xid = parseInt(ids[1]); yid = parseInt(ids[2]);
    
    for(var l=xid-1; l<=xid+1; l++) {
      for(var m=yid-1; m<=yid+1; m++) {
        if(l>=0 && l<this.xBoxes && m>=0 && m<this.yBoxes) {
          if(this.version == "classic") {
            if((l == xid-1 && m == yid-1) || (l == xid+1 && m == yid-1) || (l == xid-1 && m == yid+1) || (l == xid+1 && m == yid+1)) {
              
            }
            else {
              var boxid = document.getElementById('box-'+l+'-'+m);
              if(boxid.className == "box") boxid.className = "boxColored";
              else if(boxid.className == "boxColored") boxid.className = "box";
            }
          }
          if(this.version == "custom") {
            var boxid = document.getElementById('box-'+l+'-'+m);
            if(boxid.className == "box") boxid.className = "boxColored";
            else if(boxid.className == "boxColored") boxid.className = "box";
          }
        }
      }
    }
  },
  refresh: function() {
    var boxes = document.getElementsByName('box');
    for(var n=0; n<boxes.length; n++) {
      document.getElementById(boxes[n].id).className = 'box';
    }
    this.history = Array();
  }
}
$.init();