/* Get Programming with JavaScript

 * Listing 11.13

 * The Player constructor

 */

​

// The spacer namespace

​

var spacer = {

  blank: function () {

    return "";

  },

​

  newLine: function () {

    return "\n";

  },

​

  line: function (length, character) {

    var longString = "****************************************";

    longString += "----------------------------------------";

    longString += "========================================";

    longString += "++++++++++++++++++++++++++++++++++++++++";

    longString += "                                        ";

​

    length = Math.max(0, length);

    length = Math.min(40, length);

    return longString.substr(longString.indexOf(character), length);

  },

  wrap : function (text, length, character) {

    var padLength = length - text.length - 3;

    var wrapText = character + " " + text;      

    wrapText += spacer.line(padLength, " ");

    wrapText += character;

    return wrapText;

  },

​

  box: function (text, length, character) {

    var boxText = spacer.newLine();

    boxText += spacer.line(length, character) + spacer.newLine();

    boxText += spacer.wrap(text, length, character) + spacer.newLine(); 

    boxText += spacer.line(length, character) + spacer.newLine();

    return boxText;

  }

};

​

​

// The Player constructor

​

var Player = function (name, health) {

  var newLine = spacer.newLine();

  this.name = name;

  this.health = health;

  this.items = [];

  this.place = null;

​

  this.addItem = function (item) {

    this.items.push(item);

  };

​

  this.getNameInfo = function () {

    return this.name;

  };

​

  this.getHealthInfo = function () {

    return this.name + " has health " + this.health;

  };

​

  this.getPlaceInfo = function () {

    return this.name + " is in " + this.place.title;

  };

​

  this.getItemsInfo = function () {

    var itemsString = "Items:" + newLine;

    this.items.forEach(function (item, i) {

      itemsString += "   - " + item + newLine;

    });

​

    return itemsString;

  };

​

  this.getInfo = function (character) {  

    var place = this.getPlaceInfo();

    var health = this.getHealthInfo();

    var longest = Math.max(place.length, health.length) + 4;

​

    var info = spacer.box(this.getNameInfo(), longest, character);

    info += spacer.wrap(place, longest, character);

    info += newLine + spacer.wrap(health, longest, character);

    info += newLine + spacer.line(longest, character);

​

    info += newLine;

    info += "  " + this.getItemsInfo();

    info += newLine;

    info += spacer.line(longest, character);

    info += newLine;

​

    return info;

  }; 

​

  this.showInfo = function (character) {

    console.log(this.getInfo(character));

  };

};

​

​

​

/* Further Adventures

 *

 * 1) Use the constructor to create

 *    a player.

 *

 *    var dax = new Player("Dax", 50);

 *

 * 2) Run the program.

 *

 * 3) At the prompt, access the

 *    player's properties.

 *

 *    > dax.name

 *    > dax.health

 *

 * All the properties are accessible.

 *

 * 4) Change some properties.

 *

 *    > dax.health = 1000

 *    > dax.items = "Was an array"

 *

 */