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577 lines
20 KiB
577 lines
20 KiB
// md_script.js <!-- for Dokeos metadata/*.php -->
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// <!-- 2006/05/16 -->
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// Copyright (C) 2006 rene.haentjens@UGent.be - see metadata/md_funcs.php -->
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// Part 1: General funcs & Keyword Tree: copied (with modifs) from SelKwds.xsl
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String.prototype.trim = function()
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{
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return this.replace(/^\s*/,"").replace(/\s*$/,""); // \f\n\r\t\v
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} // Dave Anderson, dbforums.com/arch/195/2003/3/724117
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String.prototype.removeExtraSpaces = function()
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{
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return this.replace(/\s+/g, ' ').trim();
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}
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function makeWindow(url, htmlText)
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{
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var newWindow = window.open(url, '',
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'toolbar=no, location=no, directories=no, status=yes, '+
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'menubar=yes, scrollbars=yes, resizable=yes, ' +
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'width=800, height=600, left=10, top=10');
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if (url == '') newWindow.document.write('<html><body>' +
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htmlText + '</body></html>');
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return newWindow;
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}
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function isNotW3C()
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{
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if (!document.getElementById)
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alert('Sorry, the buttons only work with W3C browsers. ' +
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'Use FireFox or IE6 or Moz1.7 or type in keywords manually...');
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return !document.getElementById;
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}
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function openOrCloseHelp(btn)
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{
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if (isNotW3C()) return false;
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document.getElementById('moreHelp').className =
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(btn.value == "?") ? "dvo" : "dvc";
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btn.value = (btn.value == "?") ? "¿" : "?";
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}
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function hasTagAndClass(obj, tag, cl)
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{
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return obj.tagName && (obj.tagName.toUpperCase() == tag) &&
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(obj.className == cl);
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}
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function openOrClose(btn) // show or hide part of keyword-tree
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{
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var oldcl = (btn.value == "-") ? "dvo" : "dvc";
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var newcl = (oldcl == "dvo") ? "dvc" : "dvo";
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btn.value = (oldcl == "dvo") ? "+" : "-" ;
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var ch = btn.parentNode.childNodes; // opera crashes on with()
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for (var i = 0; i < ch.length; i++) // netscape requires .item
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if (hasTagAndClass(ch.item(i), 'DIV', oldcl))
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ch.item(i).className = newcl;
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}
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function openOrCloseHere(div, wrong) // show or hide recursively
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{
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var ch = div.childNodes;
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for (var i = 0; i < ch.length; i++)
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{
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var thisCh = ch.item(i);
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if (thisCh.className == 'btn' && thisCh.value == wrong)
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openOrClose(thisCh)
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else if (thisCh.className == 'dvo' || thisCh.className == 'dvc')
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openOrCloseHere(thisCh, wrong);
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}
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}
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function openOrCloseAll(btn) // show or hide whole keyword-tree
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{
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if (isNotW3C()) return false;
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var wrong = (btn.value == "--") ? "-" : "+" ;
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btn.value = (wrong == "-") ? "++" : "--";
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openOrCloseHere(btn.parentNode, wrong);
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}
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var selspans = new Array; // selected SPANs with keywords
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function deselect(span)
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{
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for (var s in selspans) if (selspans[s] == span) delete selspans[s];
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}
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function copyToClipboard(allKwds) // md_script: not used
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{
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if (window.clipboardData)
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{
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window.clipboardData.setData("Text", '<' + allKwds + '>\r\n');
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return;
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}
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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var gClipboardHelper = Components.classes['@mozilla.org/widget/clipboardhelper;1']
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.getService(Components.interfaces.nsIClipboardHelper);
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gClipboardHelper.copyString('<' + allKwds + '>\n');
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}
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function getSelectedKeywords()
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{
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var sortedKwds = new Array, allKwds = '';
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for (var s in selspans)
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sortedKwds.push(selspans[s].parentNode.getAttribute('level')
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+ '.' + selspans[s].innerHTML)
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sortedKwds.sort(); // according to level, which follows the tree
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for (var k in sortedKwds)
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{
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var someWords = sortedKwds[k];
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allKwds += ', ' + someWords.substr(someWords.indexOf('.')+1);
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}
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return allKwds.replace(/[,_\s]+/g, ', ').substr(2); // strip ', '
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}
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var orkwds; // array of ', kw, ' strings
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function selectOriginal(div)
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{
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var ch = div.childNodes;
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for (var i = 0; i < ch.length; i++)
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{
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var thisCh = ch.item(i); if (!thisCh.tagName) continue;
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thisTag = thisCh.tagName.toUpperCase();
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if (thisTag == 'SPAN')
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{
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var parkwds = ','+ thisCh.innerHTML.replace(/\s*/g,"") +',';
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for (var k = 0; k < orkwds.length; k++)
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if (parkwds.indexOf(orkwds[k]) >=0 )
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{
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deselect(thisCh); selspans.push(thisCh);
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thisCh.className = "lbs";
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openToTop(div, div.className); break;
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}
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}
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else if (thisTag == 'DIV')
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{
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selectOriginal(thisCh);
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}
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}
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}
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function openToTop(div, divclass)
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{
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if (!div.parentNode) return; var pdiv = div.parentNode;
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if (!pdiv.className) return; var pclass = pdiv.className;
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if (pclass != 'dvo' && pclass != 'dvc') return;
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if (divclass == 'dvc')
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{
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var ch = pdiv.childNodes;
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for (var i = 0; i < ch.length; i++)
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{
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var btn = ch.item(i);
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if (hasTagAndClass(btn, 'INPUT', 'btn'))
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if (btn.value == '+') openOrClose(btn);
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}
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}
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openToTop(pdiv, pclass);
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}
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function deselectAll(ev, btn)
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{
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if (isNotW3C()) return false;
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if (!ev) var ev = window.event;
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var kws = document.getElementById('kwds_string');
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for (var s in selspans) selspans[s].className = "lbl";
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selspans = new Array;
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document.getElementById('btnOpenOrCloseAll').value = "--";
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if (!ev.altKey) { kws.value = ''; return; }
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// md_script: the calling HTML should define var kwdswere!
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// in SelKwds.xsl, they are typed in by user or fetched from PPT
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var kwdsarray = kwdswere.split(','), allKwds = '';
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for (var k = 0; k < kwdsarray.length; k++)
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{
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var kwd = kwdsarray[k].trim();
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if (kwd.substr(0,1) == '-') kwd = kwd.substr(1);
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if (kwd != '') allKwds += '§,' + kwd + ',';
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}
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if (allKwds == '') return;
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orkwds = allKwds.substr(1).split('§');
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selectOriginal(btn.parentNode);
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allKwds = getSelectedKeywords(); kws.value = allKwds;
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// no copyToClipboard(allKwds);
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allKwds = ','+ allKwds.replace(/\s*/g,"") +','; var missing = '';
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for (k = 0; k < orkwds.length; k++)
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if (allKwds.indexOf(orkwds[k]) < 0 ) missing += orkwds[k];
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if (missing != '') alert('!= ' + missing.replace(/,+/g," "));
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}
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function selectOrDeselect(span, newcl)
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{
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span.className = newcl; deselect(span);
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if (newcl == "lbs") selspans.push(span);
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}
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function alsoParents(div, oldcl, newcl)
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{
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while (div.parentNode)
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{
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div = div.parentNode; var ch = div.childNodes;
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for (var i = 0; i < ch.length; i++)
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if (hasTagAndClass(ch.item(i), 'SPAN', oldcl))
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selectOrDeselect(ch.item(i), newcl);
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}
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}
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function spanClick(span, ev) // md_script: no parents in search
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{
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var mda = getObj("mda"); if (!ev) ev = window.event;
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if (ev.shiftKey && ev.altKey)
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{
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makeWindow('', '<pre>' + span.parentNode.innerHTML
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.replace(/&/g, "&").replace(/"/g, """)
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.replace(/</g, "<") .replace(/>/g, ">") + '</pre>');
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return; // debugging...
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}
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if (ev.ctrlKey || span.className == "lbs")
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{
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selectOrDeselect(span, "lbl"); // deselect
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if (document.selection) document.selection.empty();
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if (ev.altKey) alsoParents(span.parentNode, "lbs", "lbl");
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}
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else
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{
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selectOrDeselect(span, "lbs"); // select (search: no parents)
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if (mda && !ev.altKey) alsoParents(span.parentNode, "lbl", "lbs");
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if (!mda && ev.altKey) // mda does not exist in search form
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if (span.innerHTML.substr(0, 1) == '-')
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span.innerHTML = (', ' + span.innerHTML).replace(/, -/g, ", ").substr(2);
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else span.innerHTML = (', ' + span.innerHTML).replace(/, /g, ", -").substr(2);
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}
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var allKwds = getSelectedKeywords(); // no copyToClipboard(allKwds);
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document.getElementById('kwds_string').value = allKwds;
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}
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var KWDS_ARRAY = new Array, nkw = 0, pU; // alphabetic list popup
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function makeAlphaList(div) // md_script: not used (hopefully)
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{
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var ch = div.childNodes;
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for (var i = 0; i < ch.length; i++)
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{
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var thisCh = ch.item(i); if (!thisCh.tagName) continue;
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thisTag = thisCh.tagName.toUpperCase();
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if (thisTag == 'SPAN')
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{
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var parkwds= thisCh.innerHTML.replace(/\s*/g,"").split(',');
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for (k in parkwds) KWDS_ARRAY[nkw++] = parkwds[k];
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}
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else if (thisTag == 'DIV') makeAlphaList(thisCh);
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}
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}
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function pU_show(anchor, offsetX, offsetY, defH) // XY: rel. to anchor
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{
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if (!anchor) return;
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thisx = anchor.offsetLeft; thisy = anchor.offsetTop;
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while ((anchor = anchor.offsetParent))
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{
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thisx += anchor.offsetLeft; thisy += anchor.offsetTop;
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}
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thisx += offsetX; thisy += offsetY;
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pU.style.left = thisx + "px";
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pU.style.top = thisy + "px";
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pU.style.height = defH; var maxH = pU.offsetHeight;
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for (var curH = 20; curH <= maxH; curH += 20)
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{
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pU.style.height = curH + 'px';
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if (curH >= pU.scrollHeight) break;
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}
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// scrollHeight can be smaller than current in IE, not in Moz
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pU.style.visibility = "visible";
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}
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function pU_hide()
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{
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if (pU) pU.style.visibility = "hidden";
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}
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function takeTypeIn(kws, oX, oY, defH)
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{
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if (isNotW3C()) return;
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if (!pU)
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{
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pU = document.getElementById('popup');
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if (!KWDS_ARRAY.length)
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{
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makeAlphaList(document.getElementById('maindiv'));
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KWDS_ARRAY.sort();
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}
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}
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if (!(curValue = kws.value.toLowerCase())) return;
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var kwLines = '';
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for (pos = 0; pos < KWDS_ARRAY.length; pos++)
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if (KWDS_ARRAY[pos].toLowerCase().indexOf(curValue) == 0)
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kwLines += '<div class="pul" onMouseOver="this.className=' +
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"'lbl'" + '"; onMouseOut="this.className=' + "'pul'" +
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'">' + KWDS_ARRAY[pos] + '</div>';
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if (kwLines == '') {pU_hide(); return; }
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pU.innerHTML = kwLines; pU_show(kws, oX, oY, defH);
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}
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function pU_clicked(ev)
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{
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if (!pU) return false; if (!ev) var ev = window.event;
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var t = (ev.srcElement) ? ev.srcElement : ev.originalTarget;
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try {var kw = t.innerHTML;} catch(exc) {return false;} // Moz
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while (true) try
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{
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if (t.id == pU.id) return kw ? kw : true; t = t.parentNode;
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}
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catch(exc) {return false;} // Moz: t.parentNode uncatched exc.
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}
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function pU_select(kw)
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{
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if (kw === true) return;
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var kws = document.getElementById('kwds_string');
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var maindiv = document.getElementById('maindiv');
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var ch = maindiv.childNodes;
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for (var i = 0; i < ch.length; i++)
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{
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var btn = ch.item(i);
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if (hasTagAndClass(btn, 'INPUT', 'btn'))
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if (btn.value == '+') openOrClose(btn);
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}
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orkwds = new Array(',' + kw + ','); selectOriginal(maindiv);
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kws.value = getSelectedKeywords(); // no copyToClipboard(kws.value);
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pU_hide();
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}
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// Part 2: Metadata Updates: W3C, IE4 and NS4 browsers
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function isValidChar(ev, pattern, flags)
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{
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// e.g. onKeyPress="return isValidChar(event, '[a-z]', 'i');"
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if (!ev) var ev = window.event; // PPK, see below
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var kc = (ev.keyCode) ? ev.keyCode : ev.which; // PPK
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return (new RegExp(pattern, flags)).test(String.fromCharCode(kc));
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// PPK= Peter-Paul Koch, www.quirksmode.org
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}
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function checkValid(inputField, pattern, flags)
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{
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// e.g. onKeyUp="checkValid(this, '^[a-z]{2,8}$', 'i');"
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var fieldColor = (new RegExp(pattern, flags)).test(inputField.value) ? '#000000' : '#D8366C';
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var fieldStyle = (document.getElementById || document.all) ?
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inputField.style : inputField;
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if (fieldStyle) fieldStyle.color = fieldColor;
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// OK for all browsers (see devedge.netscape.com
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// /library/xref/2003/css-support/css1/mastergrid.html):
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// color, background-color (not on NN4), display block/none (NN4?),
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// overflow hidden/scroll/auto (not on NN4),
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// position relative/static,
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// text-align left/right/center, text-indent,
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// font-style normal/italic, font-weight normal/bold,
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// font-family serif/sans-serif/monospace,
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// border-style none/solid/double/groove/ridge/inset/outset.
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}
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function getObj(name) // PPK
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{
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return (document.getElementById) ? document.getElementById(name)
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: (document.all) ? document.all[name] // IE4
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: (document.layers) ? document.layers[name] // NS4
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: null; // With NS4, nested layers are not supported!
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}
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function spc(path, value) // set pending change in form field mda
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{
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var mda = getObj("mda");
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if (mda) mda.value += "\n" + path + '=' + value;
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}
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function spcSel(path, selbox) // set pending change, language selection
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{
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var mda = getObj("mda");
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if (mda) mda.value += "\n" + path + '=' +
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selbox.options[selbox.selectedIndex].value;
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}
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function checkBeforeSubmit(ev)
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{
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if (!ev) var ev = window.event;
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if (ev.ctrlKey && ev.altKey)
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{
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var mdt = getObj("mdt"); if (!mdt) return false;
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makeWindow('', '<pre>' +
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('<?xml version="1.0" encoding="UTF-16"?>' +
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' <!-- From browser, save as Text/Unicode -->\n\n' +
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mdt.value)
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.replace(/&/g, '&').replace(/"/g, '"')
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.replace(/</g, '<').replace(/>/g, '>') +
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'</pre>');
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return false;
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}
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var kwdsnow = getObj("kwds_string"); if (!kwdsnow) return true;
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if (kwdsnow.value == kwdswere) return true; // unchanged
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// note: calling HTML should define var kwdswere!
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var language = kwdsnow.title;
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var mda = getObj("mda");
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if (!mda) { alert('? Form does not contain mda'); return false; }
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var kwdsarray = kwdswere.split(',');
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for (var k = 0; k < kwdsarray.length; k++) // delete old
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if (kwdsarray[k].trim() != '')
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mda.value += "\nmetadata/lom/general/keyword[-1]~";
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kwdsarray = kwdsnow.value
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.replace(/[!-,:-@\[-\^{-~\s]+/g, ',').split(',');
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for (k = 0; k < kwdsarray.length; k++)
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{
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var newkw = kwdsarray[k].trim();
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if (newkw != '') mda.value +=
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"\nmetadata/lom/general!keyword" +
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"\nmetadata/lom/general/keyword[-1]!string=" + newkw +
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"\nmetadata/lom/general/keyword[-1]/string/@language=" + language;
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}
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return true;
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}
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function setPendingOperation(op, ev)
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{
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if (!ev) var ev = window.event;
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var mda = getObj("mda");
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if (!mda) { alert('? Form does not contain mda'); return false; }
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if (op == '!!' || (op == '~~' && confirm(mda.title)))
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{
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mda.value = op; return true;
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}
|
|
|
|
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 :
|
|
'<div noWrap="1" class="dvc" level="' + curlev + '">' + CRLF +
|
|
'<input type="button" class="' +
|
|
(html ? 'btn" value="+" onClick="openOrClose(this);"/>' :
|
|
'lfn" value=" "/>') + ' ' + CRLF +
|
|
'<span class="lbl" onClick="spanClick(this, event);"' +
|
|
(node.pt ? ' title="' + node.pt + '">' : '>') +
|
|
kwn.substr(2) + '</span>' + CRLF +
|
|
(node.cm ? '<i>' + node.cm + '</i>' : '') +
|
|
html +
|
|
'</div>' + CRLF;
|
|
}
|
|
|
|
|
|
// The End
|