+/*
+ * WebForm.js
+ *
+ * Authors:
+ * Chris Toshok (toshok@ximian.com)
+ * Lluis Sanchez Gual (lluis@novell.com)
+ *
+ * (c) 2005 Novell, Inc. (http://www.novell.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+function WebForm_AutoFocus (id)
+{
+ var x = WebForm_GetElementById (id);
+
+ if (x && (!WebForm_CanFocus(x))) {
+ x = WebForm_FindFirstFocusableChild(x);
+ }
+ if (x) { x.focus(); }
+}
+
+function WebForm_CanFocus(element) {
+ if (!element || !(element.tagName) || element.disabled) {
+ return false;
+ }
+ if (element.type && element.type.toLowerCase() == "hidden") {
+ return false;
+ }
+ var tagName = element.tagName.toLowerCase();
+ return (tagName == "input" ||
+ tagName == "textarea" ||
+ tagName == "select" ||
+ tagName == "button" ||
+ tagName == "a");
+}
+
+function WebForm_FindFirstFocusableChild(element) {
+ if (!element || !(element.tagName)) {
+ return null;
+ }
+ var tagName = element.tagName.toLowerCase();
+ if (tagName == "undefined") {
+ return null;
+ }
+ var children = element.childNodes;
+ if (children) {
+ for (var i = 0; i < children.length; i++) {
+ try {
+ if (WebForm_CanFocus(children[i])) {
+ return children[i];
+ }
+ else {
+ var focused = WebForm_FindFirstFocusableChild(children[i]);
+ if (WebForm_CanFocus(focused)) {
+ return focused;
+ }
+ }
+ } catch (e) {
+ }
+ }
+ }
+ return null;
+}
+
+function wasControlEnabled (id)
+{
+ if (typeof (__enabledControlArray) == 'undefined')
+ return false;
+
+ for (var i = 0; i < __enabledControlArray.length; i ++) {
+ if (id == __enabledControlArray[i])
+ return true;
+ }
+
+ return false;
+}
+
+function WebForm_ReEnableControls (currForm)
+{
+ currForm = currForm || theForm;
+ if (typeof (currForm) == 'undefined')
+ return;
+
+ for (var i = 0; i < currForm.childNodes.length; i ++) {
+ var node = currForm.childNodes[i];
+ if (node.disabled && wasControlEnabled (node.id))
+ node.disabled = false;
+ }
+}