function popupError(msg, height, width) { win = open("", "ErrorWindow", "alwaysRaised=1" +",resizable=0" +",height="+(height+130) +",width="+width +",scrollbars=1" +",screenX="+(self.screenX+(self.outerWidth/2)-width/2) +",screenY="+(self.screenY+(self.outerHeight/2)-height/2) ); d = win.document; d.write("Submission Error"); d.write(""); d.write(""); d.write(""); d.write("
"); d.write(""); d.write(""); d.write(""); d.write(""); d.write(""); d.write(""); d.write(""); d.write(""); d.write(""); d.write("
"); d.write("

Submission Errors

"); d.write("

") d.write(msg); d.write("

") d.write("
"); d.write(" "); d.write("
"); d.write("
"); d.write(""); d.write("
"); d.write("
"); d.write("\n"); } function makeresult(bool, msg) { result = Object(); result.value = bool; result.message = msg; return result; } uregex = /^(http:\/\/|ftp:\/\/|mailto:|gopher:)./; function ValidateURL(url) { if (! uregex.test(url)) { return makeresult(false, url.bold()+" is an invalid web address (missing 'http://' prefix?)"); } if (url.indexOf(" ") != -1) { return makeresult(false, "url "+url.bold()+" contains spaces"); } return makeresult(true, ""); } function ValidateLength(text,length) { if (text.length > length) { return makeresult(false, "more than "+length+" characters in "+text.slice(0,7).bold()+"..."); } return makeresult(true, ""); } function ValidateList(list,length) { if (list.length > length) { return makeresult(false, " more than "+length+" items selected in "+list.name); } return makeresult(true, ""); } function ValidateURLs(urls) { items = urls.split(/\s+/); for (i = 0; i < items.length; i++) { result = ValidateURL(items[i]); if (! result.value) { return result; } } return makeresult(true, ""); } function ValidateEmail(addr) { at = addr.indexOf("@"); dot = addr.lastIndexOf("."); if (at == -1) { return makeresult(false, "'"+addr.bold()+"' does not contain an '@'"); } else if (dot < at) { return makeresult(false, "host portion of '"+addr.bold()+"' does not contain a '.'"); } return makeresult(true, ""); } function ValidateCityState(cs) { firstcomma = cs.indexOf(","); lastcomma = cs.lastIndexOf(","); // require precisely one comma if (firstcomma == -1) { return makeresult(false, "'"+cs.bold()+"' has no comma separating city and state or country"); } if (firstcomma != lastcomma) { return makeresult(false, "'"+cs.bold()+"' has multiple commas"); } return makeresult(true, ""); } function ValidatePerformer(p) { first = p.indexOf(","); last = p.lastIndexOf(","); slash = p.indexOf("/"); // at least two commas and no slashes if (first > 0 && last > first && slash == -1) { return makeresult(false, "'"+p.bold()+"' has multiple names not separated by '/'"); } first = p.indexOf(";"); last = p.lastIndexOf(";"); // at least two semicolons and no slashes if (first > 0 && last > first && slash == -1) { return makeresult(false, "'"+p.bold()+"' appears to separate multiple names by ';' instead of '/'"); } return makeresult(true, ""); } iregex = /^\s*-?[0-9]+\s*$/; function ValidateInteger(n) { result = iregex.test(n); return makeresult(result, result?"":"'"+n.bold()+"' is not an integer"); } fregex = /^\s*-?[0-9]+(\.[0-9]*)?([eE]-?[0-9]+)?$/; function ValidateFloat(n) { result = fregex.test(n); return makeresult(result, result?"":"'"+n.fixed()+"' is not a floating point number"); } dregex = /^\s*([0-9]{1,2}\/[0-9]{1,2}(\/[0-9]{2,4})?|[0-9]{1,2}\s+[a-z]+(\s+[0-9]{2,4})?|[a-z]+\s+[0-9]{1,2}((,\s*|\s+)[0-9]{2,4})?)\s*$/i;dregex = /^\s*([0-9]{1,2}\/[0-9]{1,2}(\/[0-9]{2,4})?|[0-9]{1,2}\s+[a-z]+(\s+[0-9]{2,4})?|[a-z]+\s+[0-9]{1,2}((,\s*|\s+)[0-9]{2,4})?)\s*$/i; isodregex = /^\s*([0-9]{4,4}-[0-9]{2,2}-[0-9]{2,2})\s*$/; function ValidateDate(d) { if (d.indexOf("-") > 0) { dates = d.split("-"); result1 = ValidateDate(dates[0]); result2 = ValidateDate(dates[1]); return makeresult(result1.value && result2.value, result1.message + (result2.value?"":" " + result2.message)); } result = dregex.test(d); return makeresult(result, (result?"":"'"+d.bold()+"' doesn't look like a date")); } function ValidateISODate(d) { result = isodregex.test(d); return makeresult(result, (result?"":"'"+d.bold()+"' doesn't look like an ISO date (e.g., 2004-05-09)")); } function ValidateForm(form,paramspec) { params = paramspec.split(","); isvalid = true; msgs = Array(params.length); for (i = 0; i < params.length; i++) { param = params[i].split("/"); val = eval("form['"+param[0]+"'].value"); isrequired = param[1].charAt(0) == 'r'; if (isrequired && (val == null || val.length == 0)) { isvalid = false; // trim Zope type quantifiers cindex = param[0].indexOf(":"); p = param[0]; if (cindex != -1) { p = param[0].substring(0, cindex); } msgs[i] = "missing required parameter " + p.bold(); } else if (val) { type = param[1].substring(1); if (type == "int") { result = ValidateInteger(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "email") { result = ValidateEmail(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "length") { result = ValidateLength(val,256); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "list") { result = ValidateList(eval(form[param[0]]),5); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "urls") { if (val == "http://") { result = makeresult(true,""); val = ""; msgs[i] = ""; } else { result = ValidateURLs(val); isvalid = isvalid && result.value; msgs[i] = result.message; } } else if (type == "url") { if (val == "http://") { result = makeresult(true,""); val = ""; msgs[i] = ""; } else { result = ValidateURL(val); isvalid = isvalid && result.value; msgs[i] = result.message; } } else if (type == "citystate") { result = ValidateCityState(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "perf") { result = ValidatePerformer(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "float") { result = ValidateFloat(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "iso") { result = ValidateISODate(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else if (type == "date") { result = ValidateDate(val); isvalid = isvalid && result.value; msgs[i] = result.message; } else { msgs[i] = ""; } } else { msgs[i] = ""; } // alert("param: "+param[0] // +"\nprops: "+param[1] // +"\nvalue: "+val // +"\nisvalid: "+result.value // +"\nisrequired: "+isrequired // +"\nmsg: <"+msgs[i]+">"); } if (! isvalid) { msg = ""; ht = 20; for (i = 0; i < msgs.length; i++) { if (msgs[i]) { msg = msg + "
  • " + msgs[i] + "
    • "; ht += 20; } } popupError("", ht, 300); } return isvalid; } function ValidateOneOf(form, paramspec) { params = paramspec.split(","); isvalid = false; for (i = 0; i < params.length; i++) { param = params[i]; val = eval("form['" + param + "'].value"); if (val != null && val != undefined && val.length != 0) { return true; } } msg = ""; ht = 25; for (i = 0; i < params.length; i++) { ht += 20; msg = msg + "
  • " + params[i].bold() + "
    • "; } msg = "One of the following parameters must be given:"; popupError(msg, ht, 300); return false; }