assets/js/overlib/overlib_anchor.js
//\/////
//\ overLIB Anchor Plugin
//\ This file requires overLIB 4.00 or later.
//\
//\ overLIB 4.05 - You may not remove or change this notice.
//\ Copyright Erik Bosrup 1998-2004. All rights reserved.
//\ Contributors are listed on the homepage.
//\ See http://www.bosrup.com/web/overlib/ for details.
// $Revision: 1.2 $ $Date: 2005/08/15 16:52:04 $
//\/////
////////
// PRE-INIT
// Ignore these lines, configuration is below.
////////
if (typeof olInfo == 'undefined' || olInfo.simpleversion < 400) alert('overLIB 4.00 or later is required for the Anchor Plugin.');
registerCommands('anchor,anchorx,anchory,noanchorwarn,anchoralign');
////////
// DEFAULT CONFIGURATION
// Settings you want everywhere are set here. All of this can also be
// changed on your html page or through an overLIB call.
////////
if (typeof ol_anchor == 'undefined') var ol_anchor = '';
if (typeof ol_anchorx == 'undefined') var ol_anchorx = 0;
if (typeof ol_anchory == 'undefined') var ol_anchory = 0;
if (typeof ol_noanchorwarn == 'undefined') var ol_noanchorwarn = 1;
if (typeof ol_anchoralign == 'undefined') var ol_anchoralign = 'UL';
////////
// END OF CONFIGURATION
// Don't change anything below this line, all configuration is above.
////////
////////
// INIT
////////
// Runtime variables init. Don't change for config!
var o3_anchor = "";
var o3_anchorx = 0;
var o3_anchory = 0;
var o3_noanchorwarn = 1;
var o3_anchoralign = 'UL';
var mrkObj, rmrkPosition; //reference mark object, reference mark position, an array;
////////
// PLUGIN FUNCTIONS
////////
function setAnchorVariables() {
o3_anchor = ol_anchor;
o3_anchorx = ol_anchorx;
o3_anchory = ol_anchory;
o3_noanchorwarn = ol_noanchorwarn;
o3_anchoralign = ol_anchoralign;
mrkObj = null; // initialize this variable
}
// Parses Reference Mark commands
function parseAnchorExtras(pf, i, ar) {
var v, k = i;
if (k < ar.length) {
if (ar[k] == ANCHOR) {
eval(pf + "anchor = '" + escSglQuote(ar[++k]) + "'");
return k;
}
if (ar[k] == ANCHORX) {
eval(pf + 'anchorx = ' + ar[++k]);
return k;
}
if (ar[k] == ANCHORY) {
eval(pf + 'anchory = ' + ar[++k]);
return k;
}
if (ar[k] == NOANCHORWARN) {
eval(pf + 'noanchorwarn = (' + pf + 'noanchorwarn==1)? 0 : 1');
return k;
}
if (ar[k] == ANCHORALIGN) {
k = opt_MULTIPLEARGS(++k, ar, (pf + 'anchoralign'));
return k;
}
}
return -1;
}
///////
// FUNCTION WHICH CHECKS FOR THE EXISTENCE OF A REFERENCE MARKER
///////
function checkAnchorObject() {
var w = o3_anchor;
if (w) {
if (!(mrkObj = getAnchorObjectRef(w))) {
if (o3_noanchorwarn) {
alert('WARNING! Reference mark "' + w + '" not found.');
return false;
} else w = '';
}
}
return true;
}
//////
// HANDLING FUNCTIONS, OVERLOADS CORE MODULE
//////
// Decides where we want the popup.
function anchorPlaceLayer() {
var placeX, placeY, widthFix = 0;
// HORIZONTAL PLACEMENT
if (eval('o3_frame.' + docRoot) && eval("typeof o3_frame." + docRoot + ".clientWidth == 'number'") && eval('o3_frame.' + docRoot + '.clientWidth')) {
iwidth = eval('o3_frame.' + docRoot + '.clientWidth');
} else if (typeof(o3_frame.innerWidth) == 'number') {
widthFix = Math.ceil(1.2 * (o3_frame.outerWidth - o3_frame.innerWidth));
iwidth = o3_frame.innerWidth;
}
if (o3_anchor) {
placeX = rmrkPosition[0];
placeY = rmrkPosition[1];
} else {
// Horizontal scroll offset
winoffset = (olIe4) ? eval('o3_frame.' + docRoot + '.scrollLeft') : o3_frame.pageXOffset;
var parsedWidth = parseInt(o3_width);
if (o3_fixx > -1 || o3_relx != null) {
// Fixed position
placeX = (o3_relx != null ? ( o3_relx < 0 ? winoffset + o3_relx + iwidth - parsedWidth - widthFix : winoffset + o3_relx) : o3_fixx);
} else {
// If HAUTO, decide what to use.
if (o3_hauto == 1) {
if ((o3_x - winoffset) > (iwidth / 2)) {
o3_hpos = LEFT;
} else {
o3_hpos = RIGHT;
}
}
// From mouse
if (o3_hpos == CENTER) { // Center
placeX = o3_x + o3_offsetx - (parsedWidth / 2);
if (placeX < winoffset) placeX = winoffset;
}
if (o3_hpos == RIGHT) { // Right
placeX = o3_x + o3_offsetx;
if ((placeX + parsedWidth) > (winoffset + iwidth - widthFix)) {
placeX = iwidth + winoffset - parsedWidth - widthFix;
if (placeX < 0) placeX = 0;
}
}
if (o3_hpos == LEFT) { // Left
placeX = o3_x - o3_offsetx - parsedWidth;
if (placeX < winoffset) placeX = winoffset;
}
// Snapping!
if (o3_snapx > 1) {
var snapping = placeX % o3_snapx;
if (o3_hpos == LEFT) {
placeX = placeX - (o3_snapx + snapping);
} else {
// CENTER and RIGHT
placeX = placeX + (o3_snapx - snapping);
}
if (placeX < winoffset) placeX = winoffset;
}
}
// VERTICAL PLACEMENT
if (eval('o3_frame.' + docRoot) && eval("typeof o3_frame." + docRoot + ".clientHeight == 'number'") && eval('o3_frame.' + docRoot + '.clientHeight')) {
iheight = eval('o3_frame.' + docRoot + '.clientHeight');
} else if (typeof(o3_frame.innerHeight) == 'number') {
iheight = o3_frame.innerHeight;
}
// Vertical scroll offset
scrolloffset = (olIe4) ? eval('o3_frame.' + docRoot + '.scrollTop') : o3_frame.pageYOffset;
var parsedHeight = (o3_aboveheight ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight));
if (o3_fixy > -1 || o3_rely != null) {
// Fixed position
placeY = (o3_rely != null ? (o3_rely < 0 ? scrolloffset + o3_rely + iheight - parsedHeight : scrolloffset + o3_rely) : o3_fixy);
} else {
// If VAUTO, decide what to use.
if (o3_vauto == 1) {
if ((o3_y - scrolloffset) > (iheight / 2)) {
o3_vpos = ABOVE;
} else {
o3_vpos = BELOW;
}
}
// From mouse
if (o3_vpos == ABOVE) {
if (o3_aboveheight == 0) o3_aboveheight = parsedHeight;
placeY = o3_y - (o3_aboveheight + o3_offsety);
if (placeY < scrolloffset) placeY = scrolloffset;
} else {
// BELOW
placeY = o3_y + o3_offsety;
}
// Snapping!
if (o3_snapy > 1) {
var snapping = placeY % o3_snapy;
if (o3_aboveheight > 0 && o3_vpos == ABOVE) {
placeY = placeY - (o3_snapy + snapping);
} else {
placeY = placeY + (o3_snapy - snapping);
}
if (placeY < scrolloffset) placeY = scrolloffset;
}
}
}
// Actually move the object.
repositionTo(over, placeX, placeY);
if (typeof o3_scroll != 'undefined' && o3_scroll && o3_sticky && (o3_relx || o3_rely) && (typeof o3_draggable == 'undefined' || !o3_draggable)) {
if (typeof over.scroller == 'undefined' || over.scroller.canScroll) over.scroller = new scroller(placeX - winoffset, placeY - scrolloffset, setTimeout("repositionOver()", 20));
}
}
///////
// EXTERNAL SUPPORT FUNCTIONS TO HANDLE ANCHOR PROPERTIES
///////
// Stub function for the runHook routine
function anchorPreface() {
if (!mrkObj) return;
rmrkPosition = getAnchorLocation(mrkObj);
}
// Get Reference Mark object
function getAnchorObjectRef(aObj) {
return getRefById(aObj, o3_frame.document) || getRefByName(aObj, o3_frame.document)
}
// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getAnchorLocation(objRef) {
var mkObj, of, offsets, mlyr
mkObj = mlyr = objRef
offsets = [o3_anchorx, o3_anchory]
if (document.layers) {
if (typeof mlyr.length != 'undefined' && mlyr.length > 1) {
mkObj = mlyr[0]
offsets[0] += mlyr[0].x + mlyr[1].pageX
offsets[1] += mlyr[0].y + mlyr[1].pageY
} else {
if (mlyr.toString().indexOf('Image') != -1 || mlyr.toString().indexOf('Anchor') != -1) {
offsets[0] += mlyr.x
offsets[1] += mlyr.y
} else {
offsets[0] += mlyr.pageX
offsets[1] += mlyr.pageY
}
}
} else {
offsets[0] += pageLocation(mlyr, 'Left')
offsets[1] += pageLocation(mlyr, 'Top')
}
of = getAnchorOffsets(mkObj)
if (typeof o3_dragimg != 'undefined' && o3_dragimg) {
olImgLeft = offsets[0];
olImgTop = offsets[1];
}
offsets[0] += of[0]
offsets[1] += of[1]
if (typeof o3_dragimg != 'undefined' && o3_dragimg) {
olImgRight = offsets[0];
olImgBottom = offsets[1];
return;
}
return offsets;
}
// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getAnchorOffsets(mkObj) {
var fx = fy = 0, mp, puc, mkAry, sx = sy = 0, w = o3_anchoralign
var mW = mH = pW = pH = 0
var off = [0, 0]
mkAry = w.split(',');
if (mkAry.length < 3) {
mp = mkAry[0].toUpperCase();
puc = (mkAry.length == 1) ? mp : mkAry[1].toUpperCase();
} else if (mkAry.length == 3) {
if (!isNaN(mkAry[0])) {
mp = mkAry.slice(0, 2);
puc = mkAry[2].toUpperCase();
} else {
mp = mkAry[0].toUpperCase();
puc = mkAry.slice(1);
}
} else {
mp = mkAry.slice(0, 2);
puc = mkAry.slice(2);
}
var shdwPresent = typeof o3_shadow != 'undefined' && o3_shadow
if (shdwPresent) {
sx = Math.abs(o3_shadowx);
sy = Math.abs(o3_shadowy);
}
pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))
if (olOp && o3_wrap) {
pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))
}
if (!olOp && mkObj.toString().indexOf('Image') != -1) {
mW = mkObj.width
mH = mkObj.height
} else if (!olOp && mkObj.toString().indexOf('Anchor') != -1) { // enforced only for NS4
mp = 'UL'
} else {
mW = (olNs4) ? mkObj.clip.width : mkObj.offsetWidth
mH = (olNs4) ? mkObj.clip.height : mkObj.offsetHeight
}
if (!isNaN(mp) || typeof mp == 'object') {
if (typeof mp == 'object') {
fx = parseFloat(mp[0]);
fy = parseFloat(mp[1]);
} else
fx = fy = parseFloat(mp);
off = [Math.round(fx * mW), Math.round(fy * mH)];
} else {
if (mp == 'UR') off = [mW, 0]
else if (mp == 'LL') off = [0, mH]
else if (mp == 'LR') off = [mW, mH]
}
if (typeof o3_dragimg != 'undefined' && o3_dragimg) return off;
else {
if (!isNaN(puc) || typeof puc == 'object') {
if (typeof puc == 'object') {
fx = parseFloat(puc[0]);
fy = parseFloat(puc[1]);
} else
fx = fy = parseFloat(puc);
off[0] -= Math.round(fx * (pW - sx));
off[1] -= Math.round(fy * (pH - sy));
} else {
if (puc == 'UR') {
off[0] -= (pW - sx);
off[1] -= sy
} else if (puc == 'LL') {
off[0] -= sx;
off[1] -= (pH - sy)
} else if (puc == 'LR') {
off[0] -= (pW - sx);
off[1] -= (pH - sy)
}
}
return off
}
}
// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function pageLocation(o, t) {
var x = 0
while (o.offsetParent) {
x += o['offset' + t]
o = o.offsetParent
}
x += o['offset' + t]
return x
}
// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getRefById(l, d) {
var r = "", j
d = (d || document)
if (d.all) return d.all[l]
else if (d.getElementById) return d.getElementById(l)
else if (d.layers && d.layers.length > 0) {
if (d.layers[l]) return d.layers[l]
for (j = 0; j < d.layers.length; j++) {
r = getRefById(l, d.layers[j].document)
if (r) return r
}
}
return false
}
// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
function getRefByName(l, d) {
var r = null, j
d = (d || document)
if (d.images[l]) return d.images[l]
else if (d.anchors[l]) return d.anchors[l];
else if (d.layers && d.layers.length > 0) {
for (j = 0; j < d.layers.length; j++) {
r = getRefByName(l, d.layers[j].document)
if (r && r.length > 0) return r
else if (r) return [r, d.layers[j]]
}
}
return null
}
////////
// PLUGIN REGISTRATIONS
////////
registerHook("placeLayer", anchorPlaceLayer, FREPLACE);
registerRunTimeFunction(setAnchorVariables);
registerCmdLineFunction(parseAnchorExtras);
registerPostParseFunction(checkAnchorObject);
registerHook("createPopup", anchorPreface, FAFTER);