Content deleted Content added
new background colors |
loop over the DD elements twice |
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Line 7:
var indent_level = 0;
var indent_level_string = "";
var DL_elements;
Line 21 ⟶ 22:
var top_node;
var child_node;
var parent_node;
var top_DL_node;
Line 35 ⟶ 37:
top_node = document.getElementById('bodyContent');
DD_elements = top_node.getElementsByTagName("DD");
num_DD_elements = DD_elements.length;▼
// First-pass loop colors the links and adds the level to the beginning
diagnostic_string = "";
▲ num_DD_elements = DD_elements.length;
for (DD_element_index=0; DD_element_index<num_DD_elements; DD_element_index++) {
temp_DD_element = DD_elements[DD_element_index];
Line 72 ⟶ 75:
num_unindented_DD_elements++;
temp_DD_element.style.cssText = "background-color:" + DD_background_colors[indent_level%num_colors];
indent_level_string = "(Indent level " + indent_level + ") ";
child_node = temp_DD_element.firstChild;
if (child_node) {
temp_DD_element.insertBefore(document.createTextNode(indent_level_string), child_node);
} else {
indent_level_string += "No text in this DD element.\n";
temp_DD_element.appendChild(document.createTextNode(indent_level_string));
}
diagnostic_string += "DD element " + DD_element_index + " is indented to level " + indent_level + ".\n";
} // check for unindenting
} // closes loop over the DD elements of the document
window.alert(diagnostic_string);
// Second-pass loop changes the document tree structure
diagnostic_string = "";
for (DD_element_index=0; DD_element_index<num_DD_elements; DD_element_index++) {
temp_DD_element = DD_elements[DD_element_index];
indent_level = 0;
// Find the topmost DL element for this DD node
top_DL_node = null;
top_DD_node = null;
parent_node = temp_DD_element.parentNode;
while ((parent_node) && (parent_node != top_node)) {
if (parent_node.nodeType != 1) {
parent_node = parent_node.parentNode;
continue;
} // examine only Element nodes
if (parent_node.nodeName == "DL") {
// Check whether the parent DL element has any DT elements
num_DT_elements = parent_node.getElementsByTagName("DT").length;
if (num_DT_elements > 0) { break; } // if so, stop unindenting...
// ...else make this the new indent level
indent_level++;
top_DL_node = parent_node;
} // closes check for a parental DL element
if (parent_node.nodeName == "DD") { top_DD_node = parent_node; }
parent_node = parent_node.parentNode;
} // closes loop climbing up the document tree
if (indent_level > 0) {
if ((top_DD_node) && (top_DL_node)) {
sibling_node = top_DD_node.nextSibling;
Line 86 ⟶ 136:
} // check that both the top_DD and top_DL elements are defined
} // check for unindenting
} // closes loop over the DD elements of the document
window.alert(diagnostic_string);
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