/**
 * @file client_utils.js
 * @author frtk@tetalab
 */

NPGClient.Utils = {

  /**
   * UI
   */
  //  
  setTxtStyle : function(ctx, style) {
    ctx.font = style.font;
    ctx.fillStyle = style.col;       
    ctx.textAlign = style.align;               
  },      

  //  
  applyStyle : function(ctx, style) {
    //
    if (style.bm) {
      ctx.lineWidth = style.bw;
      ctx.strokeStyle = style.bc;
    }
    //
    if (style.fm) {
      ctx.fillStyle = style.fc;
    }
  },      


  /**
   * User Name 
   */
  //  
  addChar : function(key) {
    //console.log(key + ' ' + NPGClient.userName);
    if (NPGClient.userName.length < NPGClient.NAMEMAXSIZE) {
      NPGClient.userName = NPGClient.userName + String.fromCharCode(key).toLowerCase();   
      console.log(NPGClient.userName);
    }
  },

  //
  removeChar : function(key) {
    if (NPGClient.userName.length > 0) {
      NPGClient.userName = NPGClient.userName.substring(0, NPGClient.userName.length - 1);      
      console.log(NPGClient.userName);
    }                                                               
  },
  
  //
  validChar : function(key) {
    return NPGClient.evtHandler.loginValidKey(key);
  },

  //
  validName : function(key) {
    var len = NPGClient.userName.length;
    return (len >= 0 && len <= NPGClient.NAMEMAXSIZE);
  },              

  //
  resetName : function() {
    NPGClient.userName = '';
  },

}