Hi guys,
I tried to make a scrolling imageslider and when you click them the pane expands and opens the big picture… this works !
however the viewer I based it on had the urls for the jpegs hardcoded in the fla, so I thought let’s replace that with xml… (I left the original code in there, disabled with /*-marks)
and while the xml loads, the whole viewer thing doesn’t do nothing. I think I’m doing something wrong with the array-thing…
in the xml-file there are a few lines with data like this:
<?xml version=“1.0” encoding=“utf-8” standalone=“yes”?>
<images>
<pic>
<image>“beautifulfaces001”</image>
<caption>Kresge</caption>
</pic>
</images>
Can anybody look at this and tell me what to change…
actionscript
import mx.transitions.Tween;
// ************* Reading XML File for photos ***********
function loadXML(loaded){
if(loaded) {
xmlNode = this.firstChild;
picnames = [];
//caption = [];
total = xmlNode.childNodes.length;
for (i=0; i<total; i++) {
picnames* = xmlNode.childNodes*.childNodes[0].firstChild.nodeValue;
//caption* = xmlNode.childNodes*.childNodes[1].firstChild.nodeValue;
}
//firstImage();
} else {
content = "file not loaded !";
}
}
xmlData = new XML();
xmlData.ignoreWhite = true;
xmlData.onLoad = loadXML;
xmlData.load("images.xml");
trace ("xml loading succesfull");
///
/********* DECLARE AND INITIALIZE VARIABLES **************************/
// names of folder and pictures, in the order to put them into the slider
/*var picnames:Array = [
"beautifulfaces001",
"beautifulfaces002",
"beautifulfaces003",
"beautifulfaces004",
"beautifulfaces005",
"beautifulfaces006"
];
*/
// constants
var PICPATH:String = "photos/"; // folder with jpgs
var NPICS:Number = picnames.length; // number of pictures to load
var PICX:Number = 125; // x loc of big picture
var PICY:Number = 0; // y loc
var THUMBHOLDERX:Number = 10; // x location of thumbnail holder movieclip
var THUMBHOLDERY:Number = 10; // y location
var THUMBW:Number = 75; // width of each thumbnail
var THUMBH:Number = 75; // height
var THUMBHOLDERALPHA:Number = 75; // alpha
var MARGIN:Number = 5; // margin between thumbnails
var TOTALBYTES:Number = 5027462; // approx sum of bytes in all jpgs (x 2)
var MAXPIXELS:Number = 6; // max number of pixels to move slider per frame
// mask definition; mask is assumed to cover some part of the thumbnail slider (here the numbers
// were chosen so that there are margins between the mask and the right and left edges of the movie
// (which is 420 x 290), and enough space above and below the thumbs to show them when they 'grow'
// on mouseover
var MASKX:Number = 10; // start x location of mask
var MASKW:Number = 100; // mask width
var MASKY:Number = 10; // start y location of mask
var MASKH:Number = 290; // mask height
var totalloaded:Number = 0; // running tally of bytes loaded from all pics
// index into pictures array, used for loading
var ipic:Number;
// set up loader, an instance of MovieClipLoader
var loader:MovieClipLoader = new MovieClipLoader();
// use the main timeline to listen to and respond to loader's broadcast events
loader.addListener(this);
/********* DEFINE FUNCTIONS, INCLUDING INIT FOR MOVIE SETUP **********/
// thumbnail rollover handler
function grow() {
this.onEnterFrame = function() {
if (this._width < THUMBW * 1.05) {
this._x -= this._width * .015;
this._y -= this._height * .015;
this._width *= 1.03;
this._height *= 1.03;
this._alpha += 25;
} else delete this.onEnterFrame;
};
}
// thumbnail rollout handler
function shrink() {
this.onEnterFrame = function() {
if (this._width > THUMBW) {
this._width /= 1.05;
this._height /= 1.05;
this._x += this._width * .025;
this._y += this._height * .025;
this._alpha -= 25;
} else delete this.onEnterFrame;
};
}
// function to move thumbnail slider ("this" = thumbs_mc)
function sliderControl() {
var w:Number = this._height/2;
var hw:Number = mask_mc._height/2;
var npixels:Number;
// only do when mouse over slider mask
if (_xmouse > mask_mc._x && _xmouse < mask_mc._x + mask_mc._width) {
// mouse over left half of slider:
if (_ymouse > mask_mc._y && _ymouse < mask_mc._y + hw) {
npixels = (hw - _ymouse) / hw * MAXPIXELS;
this._y += npixels;
if (this._y >= 0) this._y = this._y - w;
// mouse over right half of slider:
} else if (_ymouse > mask_mc._y + hw && _ymouse < mask_mc._y + mask_mc._height) {
npixels = (_ymouse - hw) / hw * MAXPIXELS;
this._y -= npixels;
if (this._y <= -w) this._y = this._y + w;
}
}
}
// thumbnail click (onrelease) handler + opening window when clicking thumbnail
function openPic() {
//if the window is already out, run this code
if (_root.windowUnit.window_mask._width>=_root.maskEndwidth) {
openPic;
//if window is already retracted, run this code
} else if (_root.windowUnit.window_mask._width<=_root.maskStartwidth) {
//addText(viewerText);
var extendWindow:Tween = new Tween(_root.windowUnit.window_mask, "_width", mx.transitions.easing.Strong.easeOut, _root.maskStartwidth, _root.maskEndwidth, _root.windowSpeed, true);
}
pic_mc.loadMovie(PICPATH + picnames[this.i] + ".jpg");
//pic_mc.loadMovie(picnames[this.i]);
}
// assign event handlers (called when all jpgs are loaded)
function setupHandlers() {
pct_txt.removeTextField(); // don't need loading indicator any more
thumbs_mc.onEnterFrame = sliderControl;
for (var i:Number = 0; i < NPICS*2; i++) {
thumbs_mc["mc"+i].onRollOver = grow;
thumbs_mc["mc"+i].onRollOut = shrink;
// onRelease > OpenPic but also open window..
thumbs_mc["mc"+i].onRelease = openPic;
}
}
// listener function for broadcast 'done' message (for each pic)
// onLoadInit gets executed when the movieclip has been loaded into _mc AND
// its width and height data are available.
// (_mc = the movieclip being loaded into)
// this routine sets the size and position of each thumbnail clip as its jpg
// is loaded and starts the next one loading. When all have been loaded,
// a random picture is loaded into pic_mc and setupHandlers is called to
// assign handlers to each thumbnail movieclip
function onLoadInit(_mc:MovieClip) {
// this gets done when the jpg is completely loaded:
_mc._width = THUMBW;
_mc._height = THUMBH;
_mc._alpha = 99; // for image clarity
// give the movieclip a property to remind it who it is
// (used by openPic to know which big picture to open)
_mc.i = (ipic >= NPICS ? ipic-NPICS : ipic);
// add picture size to totalloaded variable
totalloaded += loader.getProgress(_mc).bytesTotal;
// now load the next one (if there are more) or set up handlers if done
ipic++;
if (ipic == NPICS * 2) {
// start with a random photo displayed when all thumbs loaded
pic_mc.loadMovie(PICPATH + picnames[Math.floor(Math.random()*NPICS)] + ".jpg");
//pic_mc.loadMovie(picnames[Math.floor(Math.random()*NPICS)]);
setupHandlers();
} else if (ipic >= NPICS) {
// load jpg into duplicate thumbnail (will already be cached)
loader.loadClip(PICPATH + picnames[ipic-NPICS] + ".jpg", thumbs_mc["mc"+ipic]);
//loader.loadClip(picnames[ipic-NPICS], thumbs_mc["mc"+ipic]);
} else {
// load jpg into thumbnail
loader.loadClip(PICPATH + picnames[ipic] + ".jpg", thumbs_mc["mc"+ipic]);
//loader.loadClip(picnames[ipic], thumbs_mc["mc"+ipic]);
}
}
// listener function to handle broadcast progress messages
// make pct_txt show cumulative loading progress
function onLoadProgress(_mc:MovieClip, loaded:Number) {
var loadedsofar:Number = totalloaded + loaded;
pct_txt.text = Math.floor(loadedsofar / TOTALBYTES * 100) + "%";
}
function init() {
// create holder for pictures
createEmptyMovieClip("pic_mc", 1);
/* pic_mc.beginFill(0,310);
pic_mc.moveTo(0, 0);
pic_mc.lineTo(310, 0);
pic_mc.lineTo(310,310);
pic_mc.lineTo(0, 310);
pic_mc.endFill();
*/
pic_mc._x = PICX;
pic_mc._y = PICY;
// create (and draw) holder for thumbnails
createEmptyMovieClip("thumbs_mc", 2);
thumbs_mc.beginFill(0, 100); // black
thumbs_mc.moveTo(0, 0);
thumbs_mc.lineTo(2 * (MARGIN + THUMBW) * NPICS, 0);
thumbs_mc.lineTo(2 * (MARGIN + THUMBW) * NPICS, THUMBH);
thumbs_mc.lineTo(0, THUMBH);
thumbs_mc.endFill();
// drawing the thumb holder at 0, 0 and then moving it makes its reg point = upper left
thumbs_mc._x = THUMBHOLDERX;
thumbs_mc._y = THUMBHOLDERY;
thumbs_mc._alpha = THUMBHOLDERALPHA;
// create, draw and enable mask over thumbs (could use different variables to define mask
// if desired)
createEmptyMovieClip("mask_mc", 3);
mask_mc.beginFill(0x0000cc, 100);
mask_mc.moveTo(0, 0);
mask_mc.lineTo(MASKW, 0);
mask_mc.lineTo(MASKW, MASKH);
mask_mc.lineTo(0, MASKH);
mask_mc.endFill();
mask_mc._x = MASKX;
mask_mc._y = MASKY;
thumbs_mc.setMask(mask_mc);
// create loading textfield indicator
createTextField("pct_txt", 4, 200, 100, 40, 100);
var tf:TextFormat = new TextFormat();
tf.align = "center";
tf.size = 12;
tf.font = "Verdana";
tf.color = 0xFFFF00;
pct_txt.setNewTextFormat(tf);
// make empty movieclips in thumbs_mc for each pic to go into
// make double the number so the slider can move continuously and show content
for (var i:Number = 0; i < NPICS * 2; i++) {
var mc:MovieClip = thumbs_mc.createEmptyMovieClip("mc"+i, i+1);
mc._x = 0;
mc._y = i*(MARGIN + THUMBW);
}
// set the pointer to the first jpg in the array picnames
ipic = 0;
// start loading jpgs (ipic is initialized to 0)
loader.loadClip(PICPATH + picnames[ipic] + ".jpg", thumbs_mc["mc"+ipic]);
//loader.loadClip(picnames[ipic], thumbs_mc["mc"+ipic]);
}
/********* CALL THE INIT FUNCTION TO START THE MOVIE *****************/
init();
