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 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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define(function (require, exports, module) {
    "use strict";

    var oop = require("./lib/oop");
    var dom = require("./lib/dom");

    /**
     * @class Tooltip
     **/

    /**
     * @param {Element} parentNode
     *
     * @constructor
     **/
    function Tooltip(parentNode) {
        this.isOpen = false;
        this.$element = null;
        this.$parentNode = parentNode;
    }

    (function () {
        this.$init = function () {
            this.$element = dom.createElement("div");
            this.$element.className = "ace_tooltip";
            this.$element.style.display = "none";
            this.$parentNode.appendChild(this.$element);
            return this.$element;
        };

        /**
         * @returns {Element}
         **/
        this.getElement = function () {
            return this.$element || this.$init();
        };

        /**
         * @param {String} text
         **/
        this.setText = function (text) {
            dom.setInnerText(this.getElement(), text);
        };

        /**
         * @param {String} html
         **/
        this.setHtml = function (html) {
            this.getElement().innerHTML = html;
        };

        /**
         * @param {Number} x
         * @param {Number} y
         **/
        this.setPosition = function (x, y) {
            this.getElement().style.left = x + "px";
            this.getElement().style.top = y + "px";
        };

        /**
         * @param {String} className
         **/
        this.setClassName = function (className) {
            dom.addCssClass(this.getElement(), className);
        };

        /**
         * @param {String} text
         * @param {Number} x
         * @param {Number} y
         **/
        this.show = function (text, x, y) {
            if (text != null)
                this.setText(text);
            if (x != null && y != null)
                this.setPosition(x, y);
            if (!this.isOpen) {
                this.getElement().style.display = "block";
                this.isOpen = true;
            }
        };

        this.hide = function () {
            if (this.isOpen) {
                this.getElement().style.display = "none";
                this.isOpen = false;
            }
        };

        /**
         * @returns {Number}
         **/
        this.getHeight = function () {
            return this.getElement().offsetHeight;
        };

        /**
         * @returns {Number}
         **/
        this.getWidth = function () {
            return this.getElement().offsetWidth;
        };

    }).call(Tooltip.prototype);

    exports.Tooltip = Tooltip;
});
