// md_script.js
//
// Copyright (C) 2006 rene.haentjens@UGent.be - see metadata/md_funcs.php -->
// Part 1: General funcs & Keyword Tree: copied (with modifs) from SelKwds.xsl
String.prototype.trim = function()
{
return this.replace(/^\s*/,"").replace(/\s*$/,""); // \f\n\r\t\v
} // Dave Anderson, dbforums.com/arch/195/2003/3/724117
String.prototype.removeExtraSpaces = function()
{
return this.replace(/\s+/g, ' ').trim();
}
function makeWindow(url, htmlText)
{
var newWindow = window.open(url, '',
'toolbar=no, location=no, directories=no, status=yes, '+
'menubar=yes, scrollbars=yes, resizable=yes, ' +
'width=800, height=600, left=10, top=10');
if (url == '') newWindow.document.write('' +
htmlText + '');
return newWindow;
}
function isNotW3C()
{
if (!document.getElementById)
alert('Sorry, the buttons only work with W3C browsers. ' +
'Use Moz1.7 or IE6 or NN7 or type in keywords manually...');
return !document.getElementById;
}
function openOrCloseHelp(btn)
{
if (isNotW3C()) return false;
document.getElementById('moreHelp').className =
(btn.value == "?") ? "dvo" : "dvc";
btn.value = (btn.value == "?") ? "¿" : "?";
}
function hasTagAndClass(obj, tag, cl)
{
return obj.tagName && (obj.tagName.toUpperCase() == tag) &&
(obj.className == cl);
}
function openOrClose(btn) // show or hide part of keyword-tree
{
var oldcl = (btn.value == "-") ? "dvo" : "dvc";
var newcl = (oldcl == "dvo") ? "dvc" : "dvo";
btn.value = (oldcl == "dvo") ? "+" : "-" ;
var ch = btn.parentNode.childNodes; // opera crashes on with()
for (var i = 0; i < ch.length; i++) // netscape requires .item
if (hasTagAndClass(ch.item(i), 'DIV', oldcl))
ch.item(i).className = newcl;
}
function openOrCloseHere(div, wrong) // show or hide recursively
{
var ch = div.childNodes;
for (var i = 0; i < ch.length; i++)
{
var thisCh = ch.item(i);
if (thisCh.className == 'btn' && thisCh.value == wrong)
openOrClose(thisCh)
else if (thisCh.className == 'dvo' || thisCh.className == 'dvc')
openOrCloseHere(thisCh, wrong);
}
}
function openOrCloseAll(btn) // show or hide whole keyword-tree
{
if (isNotW3C()) return false;
var wrong = (btn.value == "--") ? "-" : "+" ;
btn.value = (wrong == "-") ? "++" : "--";
openOrCloseHere(btn.parentNode, wrong);
}
var selspans = new Array; // selected SPANs with keywords
function deselect(span)
{
for (var s in selspans) if (selspans[s] == span) delete selspans[s];
}
function copyToClipboard(allKwds) // md_script: not used
{
if (window.clipboardData)
{
window.clipboardData.setData("Text", '<' + allKwds + '>\r\n');
return;
}
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var gClipboardHelper = Components.classes['@mozilla.org/widget/clipboardhelper;1']
.getService(Components.interfaces.nsIClipboardHelper);
gClipboardHelper.copyString('<' + allKwds + '>\n');
}
function getSelectedKeywords()
{
var sortedKwds = new Array, allKwds = '';
for (var s in selspans)
sortedKwds.push(selspans[s].parentNode.getAttribute('level')
+ '.' + selspans[s].innerHTML)
sortedKwds.sort(); // according to level, which follows the tree
for (var k in sortedKwds)
{
var someWords = sortedKwds[k];
allKwds += ', ' + someWords.substr(someWords.indexOf('.')+1);
}
return allKwds.replace(/[,_\s]+/g, ', ').substr(2); // strip ', '
}
var orkwds; // array of ', kw, ' strings
function selectOriginal(div)
{
var ch = div.childNodes;
for (var i = 0; i < ch.length; i++)
{
var thisCh = ch.item(i); if (!thisCh.tagName) continue;
thisTag = thisCh.tagName.toUpperCase();
if (thisTag == 'SPAN')
{
var parkwds = ','+ thisCh.innerHTML.replace(/\s*/g,"") +',';
for (var k = 0; k < orkwds.length; k++)
if (parkwds.indexOf(orkwds[k]) >=0 )
{
deselect(thisCh); selspans.push(thisCh);
thisCh.className = "lbs";
openToTop(div, div.className); break;
}
}
else if (thisTag == 'DIV')
{
selectOriginal(thisCh);
}
}
}
function openToTop(div, divclass)
{
if (!div.parentNode) return; var pdiv = div.parentNode;
if (!pdiv.className) return; var pclass = pdiv.className;
if (pclass != 'dvo' && pclass != 'dvc') return;
if (divclass == 'dvc')
{
var ch = pdiv.childNodes;
for (var i = 0; i < ch.length; i++)
{
var btn = ch.item(i);
if (hasTagAndClass(btn, 'INPUT', 'btn'))
if (btn.value == '+') openOrClose(btn);
}
}
openToTop(pdiv, pclass);
}
function deselectAll(ev, btn)
{
if (isNotW3C()) return false;
if (!ev) var ev = window.event;
var kws = document.getElementById('kwds_string');
for (var s in selspans) selspans[s].className = "lbl";
selspans = new Array;
document.getElementById('btnOpenOrCloseAll').value = "--";
if (!ev.altKey) { kws.value = ''; return; }
// md_script: calling HTML should define var kwdswere!
// in SelKwds.xsl, they are typed in by user or fetched from PPT
var kwdsarray = kwdswere.split(','), allKwds = '';
for (var k = 0; k < kwdsarray.length; k++)
{
var kwd = kwdsarray[k].trim();
if (kwd.substr(0,1) == '-') kwd = kwd.substr(1);
if (kwd != '') allKwds += '§,' + kwd + ',';
}
if (allKwds == '') return;
orkwds = allKwds.substr(1).split('§');
selectOriginal(btn.parentNode);
allKwds = getSelectedKeywords(); kws.value = allKwds;
// no copyToClipboard(allKwds);
allKwds = ','+ allKwds.replace(/\s*/g,"") +','; var missing = '';
for (k = 0; k < orkwds.length; k++)
if (allKwds.indexOf(orkwds[k]) < 0 ) missing += orkwds[k];
if (missing != '') alert('!= ' + missing.replace(/,+/g," "));
}
function selectOrDeselect(span, newcl)
{
span.className = newcl; deselect(span);
if (newcl == "lbs") selspans.push(span);
}
function alsoParents(div, oldcl, newcl)
{
while (div.parentNode)
{
div = div.parentNode; var ch = div.childNodes;
for (var i = 0; i < ch.length; i++)
if (hasTagAndClass(ch.item(i), 'SPAN', oldcl))
selectOrDeselect(ch.item(i), newcl);
}
}
function spanClick(span, ev) // md_script: no parents in search
{
var mda = getObj("mda"); if (!ev) ev = window.event;
if (ev.shiftKey && ev.altKey)
{
makeWindow('', '' + span.parentNode.innerHTML
.replace(/&/g, "&").replace(/"/g, """)
.replace(//g, ">") + '');
return; // debugging...
}
if (ev.ctrlKey || span.className == "lbs")
{
selectOrDeselect(span, "lbl"); // deselect
if (document.selection) document.selection.empty();
if (ev.altKey) alsoParents(span.parentNode, "lbs", "lbl");
}
else
{
selectOrDeselect(span, "lbs"); // select (search: no parents)
if (mda && !ev.altKey) alsoParents(span.parentNode, "lbl", "lbs");
if (!mda && ev.altKey) // mda does not exist in search form
if (span.innerHTML.substr(0, 1) == '-')
span.innerHTML = (', ' + span.innerHTML).replace(/, -/g, ", ").substr(2);
else span.innerHTML = (', ' + span.innerHTML).replace(/, /g, ", -").substr(2);
}
var allKwds = getSelectedKeywords(); // no copyToClipboard(allKwds);
document.getElementById('kwds_string').value = allKwds;
}
var KWDS_ARRAY = new Array, nkw = 0, pU; // alphabetic list popup
function makeAlphaList(div)
{
var ch = div.childNodes;
for (var i = 0; i < ch.length; i++)
{
var thisCh = ch.item(i); if (!thisCh.tagName) continue;
thisTag = thisCh.tagName.toUpperCase();
if (thisTag == 'SPAN')
{
var parkwds= thisCh.innerHTML.replace(/\s*/g,"").split(',');
for (k in parkwds) KWDS_ARRAY[nkw++] = parkwds[k];
}
else if (thisTag == 'DIV') makeAlphaList(thisCh);
}
}
function pU_show(anchor, offsetX, offsetY, defH) // XY: rel. to anchor
{
if (!anchor) return;
thisx = anchor.offsetLeft; thisy = anchor.offsetTop;
while ((anchor = anchor.offsetParent))
{
thisx += anchor.offsetLeft; thisy += anchor.offsetTop;
}
thisx += offsetX; thisy += offsetY;
pU.style.left = thisx + "px";
pU.style.top = thisy + "px";
pU.style.height = defH; var maxH = pU.offsetHeight;
for (var curH = 20; curH <= maxH; curH += 20)
{
pU.style.height = curH + 'px';
if (curH >= pU.scrollHeight) break;
}
// scrollHeight can be smaller than current in IE, not in Moz
pU.style.visibility = "visible";
}
function pU_hide()
{
if (pU) pU.style.visibility = "hidden";
}
function takeTypeIn(kws, oX, oY, defH)
{
if (isNotW3C()) return;
if (!pU)
{
pU = document.getElementById('popup');
makeAlphaList(document.getElementById('maindiv'));
KWDS_ARRAY.sort();
}
var curValue = kws.value.toLowerCase(), kwLines = '';
for (pos = 0; pos < KWDS_ARRAY.length; pos++)
if (KWDS_ARRAY[pos].toLowerCase().indexOf(curValue) == 0)
kwLines += '' + KWDS_ARRAY[pos] + '
';
if (kwLines == '') {pU_hide(); return; }
pU.innerHTML = kwLines; pU_show(kws, oX, oY, defH);
}
function pU_clicked(ev)
{
if (!pU) return false; if (!ev) var ev = window.event;
var t = (ev.srcElement) ? ev.srcElement : ev.originalTarget;
try {var kw = t.innerHTML;} catch(exc) {return false;} // Moz
while (true) try
{
if (t.id == pU.id) return kw ? kw : true; t = t.parentNode;
}
catch(exc) {return false;} // Moz: t.parentNode uncatched exc.
}
function pU_select(kw)
{
if (kw === true) return;
var kws = document.getElementById('kwds_string');
var maindiv = document.getElementById('maindiv');
var ch = maindiv.childNodes;
for (var i = 0; i < ch.length; i++)
{
var btn = ch.item(i);
if (hasTagAndClass(btn, 'INPUT', 'btn'))
if (btn.value == '+') openOrClose(btn);
}
orkwds = new Array(',' + kw + ','); selectOriginal(maindiv);
kws.value = getSelectedKeywords(); // no copyToClipboard(kws.value);
pU_hide();
}
// Part 2: Metadata Updates: W3C, IE4 and NS4 browsers
function isValidChar(ev, pattern, flags)
{
// e.g. onKeyPress="return isValidChar(event, '[a-z]', 'i');"
if (!ev) var ev = window.event; // PPK, see below
var kc = (ev.keyCode) ? ev.keyCode : ev.which; // PPK
return (new RegExp(pattern, flags)).test(String.fromCharCode(kc));
// PPK= Peter-Paul Koch, www.quirksmode.org
}
function checkValid(inputField, pattern, flags)
{
// e.g. onKeyUp="checkValid(this, '^[a-z]{2,8}$', 'i');"
var fieldColor = (new RegExp(pattern, flags)).test(inputField.value) ? '#000000' : '#D8366C';
var fieldStyle = (document.getElementById || document.all) ?
inputField.style : inputField;
if (fieldStyle) fieldStyle.color = fieldColor;
// OK for all browsers (see devedge.netscape.com
// /library/xref/2003/css-support/css1/mastergrid.html):
// color, background-color (not on NN4), display block/none (NN4?),
// overflow hidden/scroll/auto (not on NN4),
// position relative/static,
// text-align left/right/center, text-indent,
// font-style normal/italic, font-weight normal/bold,
// font-family serif/sans-serif/monospace,
// border-style none/solid/double/groove/ridge/inset/outset.
}
function getObj(name) // PPK
{
return (document.getElementById) ? document.getElementById(name)
: (document.all) ? document.all[name] // IE4
: (document.layers) ? document.layers[name] // NS4
: null; // With NS4, nested layers are not supported!
}
function spc(path, value) // set pending change in form field mda
{
var mda = getObj("mda");
if (mda) mda.value += "\n" + path + '=' + value;
}
function spcSel(path, selbox) // set pending change, language selection
{
var mda = getObj("mda");
if (mda) mda.value += "\n" + path + '=' +
selbox.options[selbox.selectedIndex].value;
}
function checkBeforeSubmit(ev)
{
if (!ev) var ev = window.event;
if (ev.ctrlKey && ev.altKey)
{
var mdt = getObj("mdt"); if (!mdt) return false;
makeWindow('', '' +
('' +
' \n\n' +
mdt.value)
.replace(/&/g, '&').replace(/"/g, '"')
.replace(//g, '>') +
'');
return false;
}
var kwdsnow = getObj("kwds_string"); if (!kwdsnow) return true;
if (kwdsnow.value == kwdswere) return true; // unchanged
// note: calling HTML should define var kwdswere!
var language = kwdsnow.title;
var mda = getObj("mda");
if (!mda) { alert('? Form does not contain mda'); return false; }
var kwdsarray = kwdswere.split(',');
for (var k = 0; k < kwdsarray.length; k++) // delete old
if (kwdsarray[k].trim() != '')
mda.value += "\nmetadata/lom/general/keyword[-1]~";
kwdsarray = kwdsnow.value.split(',');
for (k = 0; k < kwdsarray.length; k++)
{
var newkw = kwdsarray[k].trim();
if (newkw != '') mda.value +=
"\nmetadata/lom/general!keyword" +
"\nmetadata/lom/general/keyword[-1]!string=" + newkw +
"\nmetadata/lom/general/keyword[-1]/string/@language=" + language;
}
return true;
}
function setPendingOperation(op, ev)
{
if (!ev) var ev = window.event;
var mda = getObj("mda");
if (!mda) { alert('? Form does not contain mda'); return false; }
if (op == '!!' || (op == '~~' && confirm(mda.title)))
{
mda.value = op; return true;
}
return false;
}
function prepSearch(ev)
{
if (!ev) var ev = window.event;
var mdsc = getObj("mdsc");
if (!mdsc) { alert('? Form does not contain mdsc'); return false; }
var kwdsnow = getObj("kwds_string"); if (!kwdsnow) return true;
if (kwdsnow.value == '') return true;
var kwdsarray = kwdsnow.value.split(',');
for (var k = 0; k < kwdsarray.length; k++)
{
var newkw = kwdsarray[k].trim().toLowerCase();
if (newkw != '')
{
var realkw = false;
for (pos = 0; pos < KWDS_ARRAY.length; pos++)
if (KWDS_ARRAY[pos].toLowerCase() == newkw)
realkw = true;
mdsc.value += "\n" + newkw + (realkw ? '-kw' : '');
}
}
return true;
}
// The End