/*
letzte Änderung: 5.12.2007
Beschreibung:
-------------
Ein Skript um ein Fenster in der Größe eines Bildes Öffnen.
Einbinden:
----------
*/
///////////////////////////////////////////////////////////
// Globale Definitionen
var popup_bgColor = '#fff';
var rahmen = '1px solid black';
var abstand_w = 1;
var abstand_h = 1;
var center_popup = true;
var popup_close = 'click'; // Mögliche Werte: 'blur', 'click', ''
addEvent(window, 'load', function() {
var all = document.links;
for(var i = 0; i < all.length; i++) {
if(all[i].className && all[i].className.indexOf('popup') > -1 ) {
all[i].onclick = function () { showBild(this); return false;};
}
}
});
///////////////////////////////////////////////////////////
// showBild(a, name) - die Hauptfunktion.
var default_site = window.opera ? '' : '';
function showBild(a) {
if(!a.target) a.target = "FotoPopup";
var default_width = 400;
var default_height = 200;
if(a.target == window.name) a.target += '0';
if(popup_close == 'blur' || !showFenster || showFenster.closed)
showFenster = popUp(default_site, a.target, default_width, default_height);
showFenster.document.open();
showFenster.document.write( getHTML(a.href, a.title || a.alt || 'PicPopup') );
showFenster.document.close();
var img = document.createElement('img');
img.ready = false;
img.onload = function() { fitWin(this, showFenster); };
img.src = a.href;
if(img.complete) fitWin(img, showFenster);
return false;
}
///////////////////////////////////////////////////////////
// fitWin(Image, window) - wird aus dem Popup aufgerufen.
function fitWin(i, win) {
win.focus();
if(i.ready) return;
i.ready = true;
var w = i.width;
var h = i.height;
var w_s = getWinSize(win);
var r = 2 * parseInt(rahmen);
win.resizeBy((w - w_s.width + ( 2 * abstand_w) + r), (h - w_s.height + ( 2 * abstand_h) + r) );
if(center_popup) {
w_s = getWinSize(win);
win.moveTo( (screen.width - w_s.width) / 2, (screen.height - w_s.height) / 2 );
}
}
/////////////////////////////////////////////////////////////////////
// getHTML(bild, titel, farbe)
function getHTML(src, title, bgcolor) {
if(!title) title = 'kein Titel';
if(!bgcolor) bgcolor = popup_bgColor;
var NL = "\n";
var text = '\n'
+ '\n' + NL
+ '' + title + '<\/title>' + NL
+ '<style type="text/css">' + NL
+ 'body{margin:0;padding:0;overflow:hidden;' + NL
+ 'background-color:' + popup_bgColor + ';' + NL
+ (popup_close.toLowerCase() == 'click' ? ' cursor:pointer;\n' : '')
+ '}' + NL
+ 'img{padding:0;'
+ (rahmen ? 'border:' + rahmen + ';' : '')
+ 'margin-top:' + abstand_h +'px;' + NL
+ 'margin-bottom:' + abstand_h +'px;' + NL
+ 'margin-left:' + abstand_w +'px;' + NL
+ 'margin-right:' + abstand_w +'px;' + NL
+ '}\n' + NL
+ '<\/style>' + NL
+ '<\/head>' + NL
+ '<body'
+ (popup_close.toLowerCase() == 'blur' ? ' onblur="self.close();"' : '')
+ '>'
+ '<img src="' + src + '" alt="' + title + '"'
+ (popup_close.toLowerCase() == 'click' ? ' onclick="window.close();"' : '')
+ '>' + NL
+ '<\/body><\/html>'
;
return text;
}
/////////////////////////////////////////////////////////////////////
// Ein popup öffen
function popUp(url, fname, w, h) {
var tmp = new Array();
tmp[tmp.length] = 'resizable=yes';
tmp[tmp.length] = 'scrollbars=no';
if(w) tmp[tmp.length] = 'width=' + w;
if(h) tmp[tmp.length] = 'height=' + h;
return window.open(url, fname, tmp.join(','));
}
////////////////////////////////////////////////////////////
// getWinSize(window)
function getWinSize(win) {
if(!win) win = window;
// IE: Quirks- oder Standardmode
var body = (win.document.compatMode && win.document.compatMode == "CSS1Compat") ?
win.document.documentElement :
win.document.body || null
;
return {
width: (win.innerWidth || body.clientWidth),
height: (win.innerHeight || body.clientHeight)
};
}
var showFenster = null;
/////////////////////////////////////////////////////////////////////
// ... und am schluss alle Fenster schliessen.
window.onunload = function () {
if(showFenster && !showFenster.closed) showFenster.close();
}
