1 files changed, 190 insertions, 0 deletions
diff --git a/upstream/clipper-6.4.2/Documentation/Scripts/expandable.js b/upstream/clipper-6.4.2/Documentation/Scripts/expandable.js
new file mode 100644
index 0000000..548fb57
--- /dev/null
+++ b/upstream/clipper-6.4.2/Documentation/Scripts/expandable.js
@@ -0,0 +1,190 @@
+/*
+ * Expandable list implementation.
+ * by David Lindquist <first name><at><last name><dot><net>
+ * See:
+ * http://www.gazingus.org/html/DOM-Scripted_Lists_Revisited.html
+ * Modifies lists so that sublists can be hidden and shown by means of
+ * a switch. The switch is a node inserted into the DOM tree as the
+ * first child of the list item containing the sublist.
+ */
+
+// The script will only be applied to lists containing this class name,
+// e.g.: <ul class="foo expandable">...</ul>.
+var CLASS_NAME = "expandable";
+
+// This value is the assumed initial display style for a sublist when it cannot
+// be determined by other means. See below.
+var DEFAULT_DISPLAY = "none";
+
+// The namespace to use when using this script in an XML context.
+var XMLNS = "http://www.w3.org/1999/xhtml";
+
+// The beginning of the title text for the switch when the sublist is collapsed.
+var CLOSED_PREFIX = "Expand list: ";
+
+// The beginning of the title text for the switch when the sublist is expanded.
+var OPENED_PREFIX = "Collapse list: ";
+
+/******************************************************************************/
+
+// Returns a copy of a string with leading and trailing whitespace removed.
+String.prototype.trim = function() {
+    return this.replace(/^\s+/, "").replace(/\s+$/, "");
+}
+
+// Walks the DOM tree starting at a given root element. Returns an
+// array of nodes of the specified type and conforming to the criteria
+// of the given filter function. The filter should return a boolean.
+function getNodesByType(root, type, filter) {
+    var node = root;
+    var nodes = [];
+    var next;
+
+    while (node != null) {
+        if (node.hasChildNodes())
+            node = node.firstChild;
+        else if (node != root && null != (next = node.nextSibling))
+            node = next;
+        else {
+            next = null;
+            for ( ; node != root; node = node.parentNode) {
+                next = node.nextSibling;
+                if (next != null) break;
+            }
+            node = next;
+        }
+        if (node != null && node.nodeType == type && filter(node))
+            nodes.push(node);
+    }
+    return nodes;
+}
+
+// Simulates the innerText property of IE and other browsers.
+// Mozilla/Firefox need this.
+function getInnerText(node) {
+    if (node == null || node.nodeType != 1)
+        return;
+    var text = "";
+    var textnodes = getNodesByType(node, 3, function() { return true; });
+    for (var i = 0; i < textnodes.length; i++)
+        text += textnodes[i].data;
+    return text;
+}
+
+function initExpandableLists() {
+    if (!document.getElementsByTagName) return;
+
+    // Top-level function to accommodate browsers that do not register
+    // a click event when a link is activated by the keyboard.
+    switchNode = function(id) {
+        var node = document.getElementById(id);
+        if (node && /^switch /.test(node.className)) node.onclick();
+    }
+
+    // Top-level function to be assigned as the event handler for the
+    // switch. This could have been bound to the handler as a closure,
+    // but closures are associated with memory leak problems in IE.
+    actuate = function() {
+        var sublist = this.parentNode.getElementsByTagName("ul")[0] ||
+                      this.parentNode.getElementsByTagName("ol")[0];
+        if (sublist.style.display == "block") {
+            sublist.style.display = "none";
+            this.firstChild.data = "+";
+            this.className = "switch off";
+            this.title = this.title.replace(OPENED_PREFIX, CLOSED_PREFIX);
+        } else {
+            sublist.style.display = "block";
+            this.firstChild.data = "-";
+            this.className = "switch on";
+            this.title = this.title.replace(CLOSED_PREFIX, OPENED_PREFIX);
+        }
+        return false;
+    }
+
+    // Create switch node from which the others will be cloned.
+    if (typeof document.createElementNS == "function")
+        var template = document.createElementNS(XMLNS, "a");
+    else
+        var template = document.createElement("a");
+    template.appendChild(document.createTextNode(" "));
+
+    var list, i = 0, j = 0;
+    var pattern = new RegExp("(^| )" + CLASS_NAME + "( |$)");
+
+    while ((list = document.getElementsByTagName("ul")[i++]) ||
+           (list = document.getElementsByTagName("ol")[j++]))
+    {
+        // Only lists with the given class name are processed.
+        if (pattern.test(list.className) == false) continue;
+
+        var item, k = 0;
+        while ((item = list.getElementsByTagName("li")[k++])) {
+            var sublist = item.getElementsByTagName("ul")[0] ||
+                          item.getElementsByTagName("ol")[0];
+            // No sublist under this list item. Skip it.
+            if (sublist == null) continue;
+
+            // Attempt to determine initial display style of the
+            // sublist so the proper symbol is used.
+            var symbol;
+            switch (sublist.style.display) {
+            case "none" : symbol = "+"; break;
+            case "block": symbol = "-"; break;
+            default:
+                var display = DEFAULT_DISPLAY;
+                if (sublist.currentStyle) {
+                    display = sublist.currentStyle.display;
+                } else if (document.defaultView &&
+                           document.defaultView.getComputedStyle &&
+                           document.defaultView.getComputedStyle(sublist, ""))
+                {
+                    var view = document.defaultView;
+                    var computed = view.getComputedStyle(sublist, "");
+                    display = computed.getPropertyValue("display");
+                }
+                symbol = (display == "none") ? "+" : "-";
+                // Explicitly set the display style to make sure it is
+                // set for the next read. If it is somehow the empty
+                // string, use the default value from the (X)HTML DTD.
+                sublist.style.display = display || "block";
+                break;
+            }
+
+            // This bit attempts to extract some text from the first
+            // child node of the list item to append to the title
+            // attribute of the switch.
+            var child = item.firstChild;
+            var text = "";
+            while (child) {
+                if (child.nodeType == 3 && "" != child.data.trim()) {
+                    text = child.data;
+                    break;
+                } else if (child.nodeType == 1 &&
+                           !/^[ou]l$/i.test(child.tagName))
+                {
+                    text = child.innerText || getInnerText(child);
+                    break;
+                }
+                child = child.nextSibling;
+            }
+
+            var actuator = template.cloneNode(true);
+            // a reasonably unique ID
+            var uid = "switch" + i + "-" + j + "-" + k;
+            actuator.id = uid;
+            actuator.href = "javascript:switchNode('" + uid + "')";
+            actuator.className = "switch " + ((symbol == "+") ? "off" : "on");
+            actuator.title = ((symbol == "+")
+                              ? CLOSED_PREFIX : OPENED_PREFIX) + text.trim();
+            actuator.firstChild.data = symbol;
+            actuator.onclick = actuate;
+            item.insertBefore(actuator, item.firstChild);
+        }
+    }
+}
+
+// Props to Simon Willison:
+// http://simon.incutio.com/archive/2004/05/26/addLoadEvent
+var oldhandler = window.onload;
+window.onload = (typeof oldhandler == "function")
+    ? function() { oldhandler(); initExpandableLists(); } : initExpandableLists;