Get Programming with JavaScript

Get Programming with JavaScript - Listing 11.14

Listing 11.14 - Hiding the Player implementation

// 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();
    var items = [];
    var place = null;


    var getNameInfo = function () {
        return name;
    };

    var getHealthInfo = function () {
        return "(" + health + ")";
    };

    var getItemsInfo = function () {
        var itemsString = "Items:" + newLine;

        items.forEach(function (item, i) {
            itemsString += "   - " + item + newLine;
        });

        return itemsString;
    };

    var getTitleInfo = function () {
        return getNameInfo() + " " + getHealthInfo();
    };

    var getInfo = function () {
        var info = spacer.box(getTitleInfo(), 40, "*");
        info += "  " + getItemsInfo();
        info += spacer.line(40, "*");
        info += newLine;

        return info;
    };


    this.addItem = function (item) {
        items.push(item);
    };

    this.setPlace = function (destination) {
        place = destination;
    };

    this.getPlace = function () {
        return place;
    };

    this.showInfo = function (character) {
        console.log(getInfo(character));
    };
};