1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/examples/Common/PEP241/Resources/scripts/XSLForms.js Wed Oct 12 17:15:40 2005 +0000
1.3 @@ -0,0 +1,139 @@
1.4 +function requestUpdate(url, fieldNames, targetName, targetFieldNames, elementPath) {
1.5 +
1.6 + // Note that XMLHttpRequest access may be denied if Mozilla believes that
1.7 + // this resource's URL and the supplied URL are different.
1.8 +
1.9 + var xmlhttp = new XMLHttpRequest();
1.10 + xmlhttp.open("POST", url, false);
1.11 +
1.12 + // Add the element path specification.
1.13 +
1.14 + var requestBody = ("element-path=" + elementPath);
1.15 +
1.16 + // Send the controlling field value.
1.17 +
1.18 + requestBody += addFields(fieldNames, false);
1.19 + requestBody += addFields(targetFieldNames, true);
1.20 +
1.21 + // Load the remote document with the given parameters sent as text in the request body.
1.22 +
1.23 + xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1.24 + xmlhttp.send(requestBody);
1.25 +
1.26 + // Parse the result document.
1.27 +
1.28 + var newDocument = Sarissa.getDomDocument();
1.29 + newDocument = (new DOMParser()).parseFromString(xmlhttp.responseText, "text/xml");
1.30 +
1.31 + // Find the definition of the affected field in the result document.
1.32 +
1.33 + var newElement = newDocument.getElementById(targetName);
1.34 + var targetElement = document.getElementById(targetName);
1.35 +
1.36 + // Insert the new definition into the current document.
1.37 +
1.38 + if (newElement != null && targetElement != null) {
1.39 + var importedElement = document.importNode(newElement, true);
1.40 + targetElement.parentNode.replaceChild(importedElement, targetElement);
1.41 + //importedElement.setAttribute("style", "background-color:red;");
1.42 + }
1.43 +
1.44 + // NOTE: Test Konqueror bug.
1.45 +
1.46 + //showMismatch(targetFieldNameArray);
1.47 +
1.48 + return false;
1.49 +}
1.50 +
1.51 +function addFields(fieldNames, disable) {
1.52 +
1.53 + // If no field names exist do not attempt to collect their values.
1.54 +
1.55 + if (fieldNames == "") {
1.56 + return "";
1.57 + }
1.58 +
1.59 + var requestBody = "";
1.60 +
1.61 + // Process each target field name.
1.62 +
1.63 + var fieldNameArray = fieldNames.split(",");
1.64 +
1.65 + // Add the values of the dependent fields.
1.66 +
1.67 + for (var i = 0; i < fieldNameArray.length; i++) {
1.68 + var fieldName = fieldNameArray[i];
1.69 +
1.70 + // Skip empty field names (arising through empty elements in the CSV list).
1.71 +
1.72 + if (fieldName == "") {
1.73 + continue;
1.74 + }
1.75 +
1.76 + // Find the values of the target field.
1.77 +
1.78 + var fieldValue;
1.79 + var fieldNodes = document.getElementsByName(fieldName);
1.80 + for (var v = 0; v < fieldNodes.length; v++) {
1.81 +
1.82 + // Test for different field types.
1.83 +
1.84 + if (fieldNodes[v].options) {
1.85 + for (var opt = 0; opt < fieldNodes[v].options.length; opt++) {
1.86 + if (fieldNodes[v].options[opt].selected) {
1.87 + fieldValue = fieldNodes[v].options[opt].value;
1.88 + requestBody += ("&" + encodeURIComponent(fieldName) + "=" + encodeURIComponent(fieldValue));
1.89 + }
1.90 + }
1.91 + } else {
1.92 + fieldValue = fieldNodes[v].value;
1.93 + requestBody += ("&" + encodeURIComponent(fieldName) + "=" + encodeURIComponent(fieldValue));
1.94 + }
1.95 + }
1.96 +
1.97 + // NOTE: Konqueror hack: disable fields.
1.98 +
1.99 + if (disable) {
1.100 + disableFields(fieldName);
1.101 + }
1.102 + }
1.103 +
1.104 + return requestBody;
1.105 +}
1.106 +
1.107 +function disableFields(targetFieldName) {
1.108 +
1.109 + for (var i = 0; i < document.forms.length; i++) {
1.110 + var form = document.forms[i];
1.111 + for (var j = 0; j < form.elements.length; j++) {
1.112 + if (form.elements[j].name == targetFieldName) {
1.113 + form.elements[j].name = "";
1.114 + }
1.115 + }
1.116 + }
1.117 +}
1.118 +
1.119 +function showMismatch(targetFieldNameArray) {
1.120 +
1.121 + // Show how the number of field elements with a given name can be different
1.122 + // from the number known to the DOM Level 0 part of the API.
1.123 +
1.124 + for (var h = 0; h < targetFieldNameArray.length; h++) {
1.125 + var targetFieldName = targetFieldNameArray[h];
1.126 + var targetFieldNodes = document.getElementsByName(targetFieldName);
1.127 + alert("Nodes for " + targetFieldName + ": " + targetFieldNodes.length);
1.128 +
1.129 + var count = 0;
1.130 + for (var i = 0; i < document.forms.length; i++) {
1.131 + var form = document.forms[i];
1.132 + for (var j = 0; j < form.elements.length; j++) {
1.133 + if (form.elements[j].name == targetFieldName) {
1.134 + count++;
1.135 + }
1.136 + }
1.137 + }
1.138 + alert("Fields for " + targetFieldName + ": " + count);
1.139 + }
1.140 +}
1.141 +
1.142 +// vim: tabstop=4 expandtab shiftwidth=4