// Cross-Browser copy
var clip = null;
function glue(element, fromId) {
    // move flash on element, set the copy content
    if (typeof(element) == 'string') {
        element = $("#" + element);
    } else if (typeof(element) == 'object') {
        element = $(element);
    } else {
        return;
    }
    if ($.browser.msie) {
        element.click(function () {
            window.clipboardData.setData("Text",$("#"+fromId).val());
            $("#"+fromId).select();
        });
        element.mouseover(function() {
            element.addClass('hover');
        });
        element.mousedown(function() {
            element.addClass('active');
        });
        element.mouseout(function() {
            if (element.hasClass('active')) element.removeClass('active');
            element.removeClass('hover');
        });
        element.mouseup(function() {
            element.removeClass('active');
        });
    } else {
        if (!clip) {
            clip = new ZeroClipboard.Client();
        }
        clip.setText($("#"+fromId));
        clip.glueToElement(element);
    }
}

var ZeroClipboard = {
    clients: {}, // registered upload clients on page, indexed by id
    moviePath: 'https://secure.successfulmatch.com/images/ZeroClipboard.swf', // URL to movie
    nextId: 1, // ID of next movie

    setMoviePath: function(path) {
        // set path to ZeroClipboard.swf
        this.moviePath = path;
    },

    dispatch: function(id, eventName, args) {
        // receive event from flash movie, send to client		
        var client = this.clients[id];
        if (client) {
            client.receiveEvent(eventName, args);
        }
    },

    register: function(id, client) {
        // register new client to receive events
        this.clients[id] = client;
    },

    getDOMObjectPosition: function(obj, stopObj) {
        // get absolute coordinates for dom element
        var info = {
            left: 0, 
            top: 0, 
            width: obj.width ? obj.width : obj.offsetWidth, 
            height: obj.height ? obj.height : obj.offsetHeight
        };

        while (obj && (obj != stopObj)) {
            info.left += obj.offsetLeft;
            info.top += obj.offsetTop;
            obj = obj.offsetParent;
        }

        return info;
    },

    Client: function(elem) {
        // constructor for new simple upload client
        this.handlers = {};

        // unique ID
        this.id = ZeroClipboard.nextId++;
        this.movieId = 'ZeroClipboardMovie_' + this.id;

        // register client with singleton to receive flash events
        ZeroClipboard.register(this.id, this);

        // create movie
        this.init();
    }
};

ZeroClipboard.Client.prototype = {
    id: 0, // unique ID for us
    ready: false, // whether movie is ready to receive events or not
    movie: null, // reference to movie object
    clipText: '', // text to copy to clipboard
    handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
    isSelected: true, // after copy, the text will be selected
    cssEffects: true, // enable CSS mouse effects on dom container
    handlers: null, // user event handlers

    init: function(appendElemId) {
        this.appendElement = appendElemId ? $("#" + appendElemId) : $("body").eq(0);
        // create floating DIV out of container
        var newDiv = $('<div>');
        newDiv.css({ 'position': 'absolute', 'left': '-5000px', 'top': '-5000px', 'width': '1px', 'height': '1px' });
        newDiv.append(this.getHTML(500, 500));
        this.appendElement.append(newDiv);
        this.div = newDiv;
    },

    glueToElement: function(element, cssObj) {
        // glue to DOM element
        if (!element) return;
        this.element = element;
        // float just above object, or zIndex 99 if dom element isn't set
        var zIndex = 99;
        if (this.element.css("zIndex")) {
            zIndex = parseInt(this.element.css("zIndex")) + 1;
        }
        // find X/Y position of domElement
        var box = ZeroClipboard.getDOMObjectPosition(this.element.get(0), this.appendElement.get(0));

        // move floating DIV above element
        if (this.div) {
            var css = {
                'position': 'absolute',
                'left': box.left + 'px',
                'top': box.top + 'px',
                'width': box.width + 'px',
                'height': box.height + 'px',
                'zIndex': zIndex
            };
            this.div.css(css);
            if (typeof(cssObj) == 'object') {
                this.div.css(cssObj);
            }
            // change flash's size to same as glued element
            $("#" + this.movieId).css({ 'width': box.width + 'px', 'height': box.height + 'px' });
        }
    },

    getHTML: function(width, height) {
        // return HTML for movie
        var html = '';
        var flashvars = 'id=' + this.id + 
            '&width=' + width + 
            '&height=' + height;

        if ($.browser.msie) {
            // IE gets an OBJECT tag
            var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
            html += '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="' + protocol + 'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="1" height="1" id="' + this.movieId + '" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="' + ZeroClipboard.moviePath + '" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="' + flashvars + '"/><param name="wmode" value="transparent"/></object>';
        } else {
            // all other browsers get an EMBED tag
            html += '<embed id="' + this.movieId + '" src="' + ZeroClipboard.moviePath + '" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="1" height="1" name="' + this.movieId + '" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="' + flashvars + '" wmode="transparent" />';
        }
        return html;
    },

    hide: function() {
        // temporarily hide floater offscreen
        if (this.div) {
            this.div.css('left', '-5000px');
        }
    },

    show: function() {
        // show ourselves after a call to hide()
        this.reposition();
    },

    destroy: function() {
        // destroy control and floater
        if (this.element && this.div) {
            this.hide();
            this.div.empty();
            this.div.remove();
            this.element = null;
            this.div = null;
        }
    },

    reposition: function() {
        // reposition our floating div
        if (this.element && this.div) {
            var box = ZeroClipboard.getDOMObjectPosition(this.element.get(0), this.appendElement.get(0));
            this.div.css({ 'left': box.left + 'px', 'top': box.top + 'px' });
        }
    },

    setText: function(from) {
        // set text to be copied to clipboard
        if (typeof(from) == "object") {
            this.from = from;
            this.clipText = from.val();
        } else{
            this.clipText = from;
        }
        if (this.ready) this.movie.setText(this.clipText);
    },

    addEventListener: function(eventName, func) {
        // add user event listener for event
        // event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
        eventName = eventName.toString().toLowerCase().replace(/^on/, '');
        if (!this.handlers[eventName]) this.handlers[eventName] = [];
        this.handlers[eventName].push(func);
    },

    setHandCursor: function(enabled) {
        // enable hand cursor (true), or default arrow cursor (false)
        this.handCursorEnabled = enabled;
        if (this.ready) this.movie.setHandCursor(enabled);
    },

    setCSSEffects: function(enabled) {
        // enable or disable CSS effects on DOM container
        this.cssEffects = !!enabled;
    },

    setIsSelected: function(enabled) {
        // enable or disable text be selected
        this.isSelected = enabled;
    },

    receiveEvent: function(eventName, args) {
        // receive event from flash
        eventName = eventName.toString().toLowerCase().replace(/^on/, '');

        // special behavior for certain events
        switch (eventName) {
            case 'load':
                // movie claims it is ready, but in IE this isn't always the case...
                // bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
                this.movie = document.getElementById(this.movieId);
                if (!this.movie) {
                    var self = this;
                    setTimeout( function() { self.receiveEvent('load', null); }, 1 );
                    return;
                }

                // firefox on pc needs a "kick" in order to set these in certain cases
                if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
                    var self = this;
                    setTimeout( function() { self.receiveEvent('load', null); }, 100 );
                    this.ready = true;
                    return;
                }

                this.ready = true;
                this.movie.setText( this.clipText );
                this.movie.setHandCursor( this.handCursorEnabled );
                break;

            case 'mouseover':
                if (this.element && this.cssEffects) {
                    this.element.addClass('hover');
                    if (this.recoverActive) this.element.addClass('active');
                }
                break;

            case 'mouseout':
                if (this.element && this.cssEffects) {
                    this.recoverActive = false;
                    if (this.element.hasClass('active')) {
                        this.element.removeClass('active');
                        this.recoverActive = true;
                    }
                    this.element.removeClass('hover');
                }
                if (this.div) {
                    this.div.css('left', '-5000px');
                }
                break;

            case 'mousedown':
                if (this.element && this.cssEffects) {
                    this.element.addClass('active');
                }
                break;
            
            case 'mouseup':
                if (this.element && this.cssEffects) {
                    this.element.removeClass('active');
                    this.recoverActive = false;
                }
                if (this.isSelected && this.from) {
                    this.from.select();
                }
                break;
        } // switch eventName

        if (this.handlers[eventName]) {
            for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
                var func = this.handlers[eventName][idx];

                if (typeof(func) == 'function') {
                    // actual function reference
                    func(this, args);
                }
                else if ((typeof(func) == 'object') && (func.length == 2)) {
                    // PHP style object + method, i.e. [myObject, 'myMethod']
                    func[0][ func[1] ](this, args);
                }
                else if (typeof(func) == 'string') {
                    // name of function
                    window[func](this, args);
                }
            } // foreach event handler defined
        } // user defined handler for event
    }
};
$(function() {
    if (clip || $.browser.msie) return;
    clip = new ZeroClipboard.Client();
});