// 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 FireFox or IE6 or Moz1.7 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: the 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('', '
');
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
.replace(/[!-,:-@\[-\^{-~\s]+/g, ',').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;
if (!KWDS_ARRAY.length)
{
makeAlphaList(getObj('maindiv'));
KWDS_ARRAY.sort();
}
var restricttokwds = false, checkbox = getObj("restricttokwds");
if (checkbox) restricttokwds = checkbox.checked;
var kwdsarray = kwdsnow.value
.replace(/[!-,:-@\[-\^{-~\s]+/g, ',').split(',');
for (var k = 0; k < kwdsarray.length; k++)
{
var newkw = kwdsarray[k].trim().toLowerCase();
if (newkw != '')
{
var realkw = false;
if (restricttokwds)
for (pos = 0; pos < KWDS_ARRAY.length; pos++)
if (KWDS_ARRAY[pos].toLowerCase() == newkw)
{ realkw = true; break; }
mdsc.value += "\n" + newkw + (realkw ? '-kw' : '');
}
}
return true;
}
var CRLF = "\n"; // generates clickable tree and populates KWDS_ARRAY
function traverseKwObj(node, parlev, num) // see KWTREE_OBJECT in md_funcs
{
var curlev = '00' + (num+1), kwn = '', html = '';
curlev = parlev + curlev.substr(curlev.length-3);
for (i in (names = node.n.split("_")))
if (nn = names[i]) { KWDS_ARRAY.push(nn); kwn += ', ' + nn; }
for (j in node.c) html += traverseKwObj(node.c[j], curlev, Math.abs(j));
return (parlev == '') ? html :
'