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galeria de imagens

Guest wolf

Perguntado por Guest wolf,

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Guest wolf

Guest wolf

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Postado

:wacko: Olá

Encontrei um código muito interessante de uma galeria de imagens, porem, não sei como integrar o arquivo xml no código.

alguém pode me ajudar?

segue o código xml:

(image-flow.xml)

<?xml version="1.0" encoding="ISO-8859-1" ?> 
- <bank>
- <img>
  <src>i/ct37.jpg</src> 
  <title>Myselves</title> 
  <caption>My identity lies in not knowing who I am</caption> 
  </img>
- <img>
  <src>i/ct60.jpg</src> 
  <title>Discoveries</title> 
  <caption>...are made by not following instructions</caption> 
  </img>
- <img>
  <src>i/sf53.jpg</src> 
  <title>Nothing</title> 
  <caption>...can come between us</caption> 
  </img>
- <img>
  <src>i/sf48.jpg</src> 
  <title>New life</title> 
  <caption>Here you come!</caption> 
  </img>
- <img>
  <src>i/ct81.jpg</src> 
  <title>Optimists</title> 
  <caption>They don't know all the facts yet</caption> 
  </img>
- <img>
  <src>i/ct134.jpg</src> 
  <title>Empathy</title> 
  <caption>Emotional intimacy</caption> 
  </img>
- <img>
  <src>i/ct41.jpg</src> 
  <title>Much work</title> 
  <caption>...remains to be done before we can announce our total failure to make any progress</caption> 
  </img>
- <img>
  <src>i/ct75.jpg</src> 
  <title>System error</title> 
  <caption>Errare Programma Est</caption> 
  </img>
- <img>
  <src>i/bl201.jpg</src> 
  <title>Nonexistance</title> 
  <caption>There's no such thing</caption> 
  </img>
- <img>
  <src>i/ct137.jpg</src> 
  <title>Inside</title> 
  <caption>I'm now trapped, without hope of escape or rescue</caption> 
  </img>
- <img>
  <src>i/ct65.jpg</src> 
  <title>E-Slaves</title> 
  <caption>The World is flat</caption> 
  </img>
- <img>
  <src>i/or105.jpg</src> 
  <title>l0v3</title> 
  <caption>1 l0v3 j00 - f0r3v3r</caption> 
  </img>
- <img>
  <src>i/ct139.jpg</src> 
  <title>T minus zero</title> 
  <caption>111 111 111 x 111 111 111 = 12345678987654321</caption> 
  </img>
- <img>
  <src>i/ct27.jpg</src> 
  <title>The End</title> 
- <caption>
- <![CDATA[ ...has <strong>not</strong> been <a href="http://www.dhteumeuleu.com/">written</a> yet
  ]]> 
  </caption>
  <link>http://www.dhteumeuleu.com/</link> 
  <target>_blank</target> 
  </img>
  </bank>
e agora o código html: 
<html>
<head>
<title>Theories of mind - Interactive DHTML art-demos</title>
<meta name="Author" content="Gerard Ferrandez at [url=http://www.dhteumeuleu.com">]http://www.dhteumeuleu.com">[/url]
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
    html {
        overflow: hidden;
    }
    body {
        margin: 0px;
        padding: 0px;
        background: #222;
        width: 100%;
        height: 100%;
    }
    #imageFlow {
        position: absolute;
        width: 100%;
        height: 80%;
        left: 0%;
        top: 10%;
        overflow: hidden;
        background: #000;
    }
    #imageFlow .diapo {
        position: absolute;
        left: -4000px;
        cursor: pointer;
        -ms-interpolation-mode: nearest-neighbor;
    }
    #imageFlow .link {
        border: dotted #fff 1px;
        margin-left: -1px;
        margin-bottom: -1px;
    }
    #imageFlow .text {
        position: absolute;
        left: 0px;
        width: 100%;
        bottom: 16%;
        text-align: center;
        color: #FFF;
        font-family: verdana, arial, Helvetica, sans-serif;
        z-index: 1000;
    }
    #imageFlow .title {
        font-size: 0.9em;
        font-weight: bold;
    }
    #imageFlow .legend {
        font-size: 0.8em;
    }
    #imageFlow .scrollbar {
        position: absolute;
        left: 10%;
        bottom: 10%;
        width: 80%;
        height: 16px;
        z-index: 1000;
    }
    #imageFlow .track {
        position: absolute;
        left: 1%;
        width: 98%;
        height: 16px;
        filter: alpha(opacity=30);
        opacity: 0.3;
    }
    #imageFlow .arrow-left {
        position: absolute;
    }
    #imageFlow .arrow-right {
        position: absolute;
        right: 0px;
    }
    #imageFlow .bar {
        position: absolute;
        height: 16px;
        left: 25px;
    }
    a {
        text-decoration: none;
        color: #ff8000;
    }
    a:hover    {
        text-decoration: none;
        background: #ff8000;
        color: #ffffff;
    }
    a:visited {
        text-decoration: none;
        color: #ff8000;
    }
    a:visited:hover {
        text-decoration: none;
        background: #ff8000;
        color: #ffffff;
    }
</style>

<script type="text/javascript">
/*
   ========================================================
        script: image-flow
        author: Gerard Ferrandez - [Ge1doot]
          date: March 15, 2008
           maj: May 24, 2008 - AJAXification bank images
          site: [url=http://www.dhteumeuleu.com]http://www.dhteumeuleu.com[/url]
       license: CC-BY-NC - do not remove this notice
   ========================================================
*/

var imf = function () {
    /* //////////// ==== private methods ==== //////////// */
    var lf = 0;
    var instances = [];
    /* ===== read file ==== */
    var AJAX = (function(AJAX){
        return function(url){
            var ajax = AJAX();
            ajax.open("GET", url, false);
            ajax.send("");
            return ajax;
        };
    })(this.XMLHttpRequest ?
        function() {return new XMLHttpRequest;} :
        function() {return new ActiveXObject("Microsoft.XMLHTTP");}
    );
    /* ===== custom getElementsByClass ==== */
    function getElementsByClass (object, tag, className) {
        var o = object.getElementsByTagName(tag);
        for ( var i = 0, n = o.length, ret = []; i < n; i++)
            if (o[i].className == className) ret.push(o[i]);
        if (ret.length == 1) ret = ret[0];
        return ret;
    }
    /* ===== crossbrowsers addEvent ==== */
    function addEvent (o, e, f) {
        if (window.addEventListener) o.addEventListener(e, f, false);
        else if (window.attachEvent) r = o.attachEvent('on' + e, f);
    }
    /* ===== create image reflexion ==== */
    function createReflexion (cont, img) {
        var flx = false;
        if (document.createElement("canvas").getContext) {
            /* ---- canvas ---- */
            flx = document.createElement("canvas");
            flx.width = img.width;
            flx.height = img.height;
            var context = flx.getContext("2d");
            context.translate(0, img.height);
            context.scale(1, -1);
            context.drawImage(img, 0, 0, img.width, img.height);
            flx.style.opacity = '0.35';
        } else {
            /* ---- DXImageTransform ---- */
            flx     = document.createElement('img');
            flx.src = img.src;
            flx.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(' +
                               'opacity=50, style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy=' +
                               (img.height * .25) + ')';
        }
        /* ---- insert Reflexion ---- */
        flx.style.position = 'absolute';
        flx.style.left     = '-4000px';
        cont.appendChild(flx);
        return flx;
    }
    /* //////////// ==== ImageFlow Constructor ==== //////////// */
    function ImageFlow(oCont, xmlfile, horizon, size, zoom, border, start, interval) {
        this.diapos     = [];
        this.scr        = false;
        this.size       = size;
        this.zoom       = zoom;
        this.horizon    = horizon;
        this.bdw        = border;
        this.oCont      = oCont;
        this.oc         = document.getElementById(oCont);
        this.scrollbar  = getElementsByClass(this.oc,   'div', 'scrollbar');
        this.text       = getElementsByClass(this.oc,   'div', 'text');
        this.title      = getElementsByClass(this.text, 'div', 'title');
        this.legend     = getElementsByClass(this.text, 'div', 'legend');
        this.bar        = getElementsByClass(this.oc,   'img', 'bar');
        this.arL        = getElementsByClass(this.oc,   'img', 'arrow-left');
        this.arR        = getElementsByClass(this.oc,   'img', 'arrow-right');
        this.bw         = this.bar.width;
        this.alw        = this.arL.width - 5;
        this.arw        = this.arR.width - 5;
        this.bar.parent = this.oc.parent  = this;
        this.arL.parent = this.arR.parent = this;
        this.view       = this.back       = -1;
        this.time_start = start * 62.5 || 0;
        this.time_inter = interval * 62.5 || 0;
        this.time_out   = this.time_start;
        this.time       = 0;
        this.time_dir   = 1;
        this.resize();
        this.oc.onselectstart = function () { return false; }
        /* ---- parse xml ---- */
        var bank = AJAX(xmlfile).responseXML.getElementsByTagName("bank").item(0).getElementsByTagName("img");
        this.NF = bank.length;
        for (var i = 0; i < this.NF; i++) {
            var img = bank.item(i);
            var val = function (tag) {
                return img.getElementsByTagName(tag).length ?
                    img.getElementsByTagName(tag).item(0).firstChild.nodeValue : false;
            }
            /* ---- create images ---- */
            this.diapos[i] = new Diapo(this, i, val("src"), val("title"), val("caption"), val("link"), val("target") || '_self');
        }
        /* ==== add mouse wheel events ==== */
        if (window.addEventListener)
            this.oc.addEventListener('DOMMouseScroll', function(e) {
                this.parent.scroll(-e.detail);
                return false;
            }, false);
        this.oc.onmousewheel = function () {
            this.parent.scroll(event.wheelDelta);
            return false;
        }
        /* ==== scrollbar drag N drop ==== */
        this.bar.onmousedown = function (e) {
            if (!e) e = window.event;
            var scl = e.screenX - this.offsetLeft;
            var self = this.parent;
            /* ---- move bar ---- */
            this.parent.oc.onmousemove = function (e) {
                if (!e) e = window.event;
                self.bar.style.left = Math.round(Math.min((self.ws - self.arw - self.bw), Math.max(self.alw, e.screenX - scl))) + 'px';
                self.view = Math.round(((e.screenX - scl) ) / (self.ws - self.alw - self.arw - self.bw) * (self.NF-1));
                if (self.view != self.back) self.calc();
                return false;
            }
            /* ---- release scrollbar ---- */
            this.parent.oc.onmouseup = function (e) {
                self.oc.onmousemove = null;
                return false;
            }
            return false;
        }
        /* ==== right arrow ==== */
        this.arR.onclick = this.arR.ondblclick = function () {
            if (this.parent.view < this.parent.NF - 1)
                this.parent.calc(1);
        }
        /* ==== Left arrow ==== */
        this.arL.onclick = this.arL.ondblclick = function () {
            if (this.parent.view > 0)
                this.parent.calc(-1);
        }
    }
    /* //////////// ==== ImageFlow prototype ==== //////////// */
    ImageFlow.prototype = {
        /* ==== targets ==== */
        calc : function (inc) {
            if (inc) {
                this.view += inc;
                /* ---- stop autoscroll ---- */
                this.time = 0;
                this.time_out = this.time_start;
            }
            var tw = 0;
            var lw = 0;
            var o = this.diapos[this.view];
            if (o && o.loaded) {
                /* ---- reset ---- */
                var ob = this.diapos[this.back];
                if (ob && ob != o) {
                    ob.img.className = 'diapo';
                    ob.z1 = 1;
                }
                /* ---- update legend ---- */
                this.title.innerHTML = o.title;
                this.legend.innerHTML = o.text;
                /* ---- update hyperlink ---- */
                if (o.url) {
                    o.img.className = 'diapo link';
                    window.status = 'hyperlink: ' + o.url;
                } else {
                    o.img.className = 'diapo';
                    window.status = '';
                }
                /* ---- calculate target sizes & positions ---- */
                if(o.r < 1) o.w1 = Math.min(o.iw, this.wh * .8, Math.round(this.ht * this.horizon / o.r)) * o.z1;
                else o.w1 = Math.round(this.ht * this.horizon / o.r) * o.z1;
                var x0 = o.x1 = (this.wh * .5) - (o.w1 * .5);
                var x = x0 + o.w1 + this.bdw;
                for (var i = this.view + 1, o; o = this.diapos[i]; i++) {
                    if (o.loaded) {
                        o.x1 = x;
                        o.w1 = (this.ht / o.r) * this.size;
                        x   += o.w1 + this.bdw;
                        tw  += o.w1 + this.bdw;
                    }
                }
                x = x0 - this.bdw;
                for (var i = this.view - 1, o; o = this.diapos[i]; i--) {
                    if (o.loaded) {
                        o.w1 = (this.ht / o.r) * this.size;
                        o.x1 = x - o.w1;
                        x   -= o.w1 + this.bdw;
                        tw  += o.w1 + this.bdw;
                        lw  += o.w1 + this.bdw;
                    }
                }
                /* ---- move scrollbar ---- */
                if (!this.scr && tw) {
                    var r = (this.ws - this.alw - this.arw - this.bw) / tw;
                    this.bar.style.left = Math.round(this.alw + lw * r) + 'px';
                }
                /* ---- save preview view ---- */
                this.back = this.view;
            }
        },
        /* ==== mousewheel scrolling ==== */
        scroll : function (sc) {
            if (sc < 0) {
                if (this.view < this.NF - 1) this.calc(1);
            } else {
                if (this.view > 0) this.calc(-1);
            }
        },
        /* ==== resize  ==== */
        resize : function () {
            this.wh = this.oc.clientWidth;
            this.ht = this.oc.clientHeight;
            this.ws = this.scrollbar.offsetWidth;
            this.calc();
            this.run(true);
        },
        /* ==== animation loop ==== */
        run : function (res) {
            /* ---- move all images ---- */
            var i = this.NF;
            while (i--) this.diapos[i].move(res);
            /* ---- autoscroll ---- */
            if (this.time_out) {
                this.time++;
                if (this.time > this.time_out) {
                    this.view += this.time_dir;
                    if (this.view >= this.NF || this.view < 0) {
                        this.time_dir = -this.time_dir;
                        this.view += this.time_dir * 2;
                    }
                    this.calc();
                    this.time = 0;
                    this.time_out = this.time_inter;
                }
            }
        }
    }
    /* //////////// ==== Diapo Constructor ==== //////////// */
    Diapo = function (parent, N, src, title, text, url, target) {
        this.parent        = parent;
        this.loaded        = false;
        this.title         = title;
        this.text          = text;
        this.url           = url;
        this.target        = target;
        this.N             = N;
        this.img           = document.createElement('img');
        this.img.src       = src;
        this.img.parent    = this;
        this.img.className = 'diapo';
        this.x0            = this.parent.oc.clientWidth;
        this.x1            = this.x0;
        this.w0            = 0;
        this.w1            = 0;
        this.z1            = 1;
        this.z2            = 0;
        this.img.parent    = this;
        this.img.onclick   = function() { this.parent.click(); }
        this.parent.oc.appendChild(this.img);
        /* ---- display external link ---- */
        if (url) {
            this.img.onmouseover = function () { this.className = 'diapo link';    }
            this.img.onmouseout  = function () { this.className = 'diapo'; }
        }
    }
    /* //////////// ==== Diapo prototype ==== //////////// */
    Diapo.prototype = {
        /* ==== HTML rendering ==== */
        move : function (res) {
            var that = this.parent;
            if (this.loaded) {
                var sx = this.x1 - this.x0;
                var sw = this.w1 - this.w0;
                if (Math.abs(sx) > 2 || Math.abs(sw) > 2 || res) {
                    /* ---- paint only when moving ---- */
                    this.x0 += sx * .1;
                    this.w0 += sw * .1;
                    var h = this.w0 * this.r;
                    this.z2 = Math.ceil((that.ht * that.horizon + 1 - this.z2 - h) *.5);
                    if (this.x0 < that.wh && this.x0 + this.w0 > 0) {
                        /* ---- paint only visible images ---- */
                        this.visible = true;
                        var o = this.img.style;
                        /* ---- diapo ---- */
                        o.left   = Math.floor(this.x0) + 'px';
                        o.bottom = Math.floor(that.ht * (1 - that.horizon) + this.z2) + 'px';
                        o.width  = Math.floor(this.w0) + 'px';
                        o.height = Math.floor(h) + 'px';
                        /* ---- reflexion ---- */
                        if (this.flx) {
                            var o = this.flx.style;
                            o.left   = Math.floor(this.x0) + 'px';
                            o.top    = Math.ceil(that.ht * that.horizon + 1 - this.z2) + 'px';
                            o.width  = Math.floor(this.w0) + 'px';
                            o.height = Math.floor(h) + 'px';
                        }
                    } else {
                        /* ---- disable invisible images ---- */
                        if (this.visible) {
                            this.visible = false;
                            this.img.style.width = '0px';
                            if (this.flx) this.flx.style.width = '0px';
                        }
                    }
                }
            } else {
                /* ==== image onload ==== */
                if (this.img.complete && this.img.width) {
                    /* ---- get size image ---- */
                    this.iw     = this.img.width;
                    this.ih     = this.img.height;
                    this.r      = this.ih / this.iw;
                    this.loaded = true;
                    /* ---- create reflexion ---- */
                    this.flx    = createReflexion(that.oc, this.img);
                    if (that.view < 0) that.view = this.N;
                    else if (this.N == 0) that.view = this.N;
                    that.calc();
                }
            }
        },
        /* ==== diapo onclick ==== */
        click : function () {
            /* ---- stop autoscroll ---- */
            this.parent.time = 0;
            this.parent.time_out = this.parent.time_start;
            if (this.parent.view == this.N) {
                /* ---- click on zoomed diapo ---- */
                if (this.url) {
                    /* ---- open hyperlink ---- */
                    window.open(this.url, this.target);
                } else {
                    /* ---- zoom in/out ---- */
                    this.z1 = this.z1 == 1 ? this.parent.zoom : 1;
                    this.parent.calc();
                }
            } else {
                /* ---- select diapo ---- */
                this.parent.view = this.N;
                this.parent.calc();
            }
            return false;
        }
    }
    /* //////////// ==== public methods ==== //////////// */
    return {
        /* ==== initialize script ==== */
        create : function (div, xmlfile, horizon, size, zoom, border, start, interval) {
            /* ---- instanciate imageFlow ---- */
            var load = function () {
                var loaded = false;
                var i = instances.length;
                while (i--) if (instances[i].oCont == div) loaded = true;
                if (!loaded) {
                    /* ---- push new imageFlow instance ---- */
                    instances.push(
                        new ImageFlow(div, xmlfile, horizon, size, zoom, border, start, interval)
                    );
                    /* ---- init script (once) ---- */
                    if (!imf.initialized) {
                        imf.initialized = true;
                        /* ---- window resize event ---- */
                        addEvent(window, 'resize', function () {
                            var i = instances.length;
                            while (i--) instances[i].resize();
                        });
                        /* ---- stop drag N drop ---- */
                        addEvent(document.getElementById(div), 'mouseout', function (e) {
                            if (!e) e = window.event;
                            var tg = e.relatedTarget || e.toElement;
                            if (tg && tg.tagName == 'HTML') {
                                var i = instances.length;
                                while (i--) instances[i].oc.onmousemove = null;
                            }
                            return false;
                        });
                        /* ---- set interval loop ---- */
                        setInterval(function () {
                            var i = instances.length;
                            while (i--) instances[i].run();
                        }, 16);
                    }
                }
            }
            /* ---- window onload event ---- */
            addEvent(window, 'load', function () { load(); });
        }
    }
}();

/* ==== create imageFlow ==== */
//          div ID, imagesbank, horizon, size, zoom, border, autoscroll_start, autoscroll_interval
imf.create("imageFlow", 'image-flow.xml', 0.75, 0.15, 1.8, 10, 8, 4);

</script>
</head>

<body>
    <div id="imageFlow">
        <div class="text">
            <div class="title">Loading</div>
            <div class="legend">Please wait...</div>
        </div>
        <div class="scrollbar">
            <img class="track" src="sb.gif" alt="">
            <img class="arrow-left" src="sl.gif" alt="">
            <img class="arrow-right" src="sr.gif" alt="">
            <img class="bar" src="sc.gif" alt="">
        </div>
    </div>
</body>
</html>

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