Subversion Repositories SmartDukaan

// Simple Set Clipboard System
// Author: Joseph Huckaby

var ZeroClipboard = {
        
        version: "1.0.4-TableTools2",
        clients: {}, // registered upload clients on page, indexed by id
        moviePath: '', // URL to movie
        nextId: 1, // ID of next movie
        
        $: function(thingy) {
                // simple DOM lookup utility function
                if (typeof(thingy) == 'string') thingy = document.getElementById(thingy);
                if (!thingy.addClass) {
                        // extend element with a few useful methods
                        thingy.hide = function() { this.style.display = 'none'; };
                        thingy.show = function() { this.style.display = ''; };
                        thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
                        thingy.removeClass = function(name) {
                                this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
                        };
                        thingy.hasClass = function(name) {
                                return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
                        }
                }
                return thingy;
        },
        
        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) {
                // 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
                };
                
                if ( obj.style.width != "" )
                        info.width = obj.style.width.replace("px","");
                
                if ( obj.style.height != "" )
                        info.height = obj.style.height.replace("px","");

                while (obj) {
                        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
                if (elem) this.glue(elem);
        }
};

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
        fileName: '', // default file save name
        action: 'copy', // action to perform
        handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
        cssEffects: true, // enable CSS mouse effects on dom container
        handlers: null, // user event handlers
        sized: false,
        
        glue: function(elem, title) {
                // glue to DOM element
                // elem can be ID or actual DOM element object
                this.domElement = ZeroClipboard.$(elem);
                
                // float just above object, or zIndex 99 if dom element isn't set
                var zIndex = 99;
                if (this.domElement.style.zIndex) {
                        zIndex = parseInt(this.domElement.style.zIndex) + 1;
                }
                
                // find X/Y position of domElement
                var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
                
                // create floating DIV above element
                this.div = document.createElement('div');
                var style = this.div.style;
                style.position = 'absolute';
                style.left = (this.domElement.offsetLeft)+'px';
                //style.left = (this.domElement.offsetLeft+2)+'px';
                style.top = this.domElement.offsetTop+'px';
                style.width = (box.width) + 'px';
                //style.width = (box.width-4) + 'px';
                style.height = box.height + 'px';
                style.zIndex = zIndex;
                if ( typeof title != "undefined" && title != "" ) {
                        this.div.title = title;
                }
                if ( box.width != 0 && box.height != 0 ) {
                        this.sized = true;
                }
                
                // style.backgroundColor = '#f00'; // debug
                this.domElement.parentNode.appendChild(this.div);
                
                this.div.innerHTML = this.getHTML( box.width, box.height );
        },
        
        positionElement: function() {
                var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
                var style = this.div.style;
                
                style.position = 'absolute';
                style.left = (this.domElement.offsetLeft)+'px';
                style.top = this.domElement.offsetTop+'px';
                style.width = box.width + 'px';
                style.height = box.height + 'px';
                
                if ( box.width != 0 && box.height != 0 ) {
                        this.sized = true;
                }
                
                var flash = this.div.childNodes[0];
                flash.width = box.width;
                flash.height = box.height;
        },
        
        getHTML: function(width, height) {
                // return HTML for movie
                var html = '';
                var flashvars = 'id=' + this.id + 
                        '&width=' + width + 
                        '&height=' + height;
                        
                if (navigator.userAgent.match(/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=10,0,0,0" width="'+width+'" height="'+height+'" 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="'+width+'" height="'+height+'" 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.style.left = '-2000px';
                }
        },
        
        show: function() {
                // show ourselves after a call to hide()
                this.reposition();
        },
        
        destroy: function() {
                // destroy control and floater
                if (this.domElement && this.div) {
                        this.hide();
                        this.div.innerHTML = '';
                        
                        var body = document.getElementsByTagName('body')[0];
                        try { body.removeChild( this.div ); } catch(e) {;}
                        
                        this.domElement = null;
                        this.div = null;
                }
        },
        
        reposition: function(elem) {
                // reposition our floating div, optionally to new container
                // warning: container CANNOT change size, only position
                if (elem) {
                        this.domElement = ZeroClipboard.$(elem);
                        if (!this.domElement) this.hide();
                }
                
                if (this.domElement && this.div) {
                        var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
                        var style = this.div.style;
                        style.left = '' + box.left + 'px';
                        style.top = '' + box.top + 'px';
                }
        },
        
        clearText: function() {
                // clear the text to be copy / saved
                this.clipText = '';
                if (this.ready) this.movie.clearText();
        },
        
        appendText: function(newText) {
                // append text to that which is to be copied / saved
                this.clipText += newText;
                if (this.ready) { this.movie.appendText(newText) ;}
        },
        
        setText: function(newText) {
                // set text to be copied to be copied / saved
                this.clipText = newText;
                if (this.ready) { this.movie.setText(newText) ;}
        },
        
        setCharSet: function(charSet) {
                // set the character set (UTF16LE or UTF8)
                this.charSet = charSet;
                if (this.ready) { this.movie.setCharSet(charSet) ;}
        },
        
        setBomInc: function(bomInc) {
                // set if the BOM should be included or not
                this.incBom = bomInc;
                if (this.ready) { this.movie.setBomInc(bomInc) ;}
        },
        
        setFileName: function(newText) {
                // set the file name
                this.fileName = newText;
                if (this.ready) this.movie.setFileName(newText);
        },
        
        setAction: function(newText) {
                // set action (save or copy)
                this.action = newText;
                if (this.ready) this.movie.setAction(newText);
        },
        
        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;
        },
        
        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.clearText();
                                this.movie.appendText( this.clipText );
                                this.movie.setFileName( this.fileName );
                                this.movie.setAction( this.action );
                                this.movie.setCharSet( this.charSet );
                                this.movie.setBomInc( this.incBom );
                                this.movie.setHandCursor( this.handCursorEnabled );
                                break;
                        
                        case 'mouseover':
                                if (this.domElement && this.cssEffects) {
                                        //this.domElement.addClass('hover');
                                        if (this.recoverActive) this.domElement.addClass('active');
                                }
                                break;
                        
                        case 'mouseout':
                                if (this.domElement && this.cssEffects) {
                                        this.recoverActive = false;
                                        if (this.domElement.hasClass('active')) {
                                                this.domElement.removeClass('active');
                                                this.recoverActive = true;
                                        }
                                        //this.domElement.removeClass('hover');
                                }
                                break;
                        
                        case 'mousedown':
                                if (this.domElement && this.cssEffects) {
                                        this.domElement.addClass('active');
                                }
                                break;
                        
                        case 'mouseup':
                                if (this.domElement && this.cssEffects) {
                                        this.domElement.removeClass('active');
                                        this.recoverActive = false;
                                }
                                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
        }
        
};