/* custom extensions to the DOM api */
HTMLElement.prototype.addInterface = function(objectInterface) {
Object.extend(this, objectInterface);
if (this.bind)
this.bind();
}
HTMLElement.prototype.childNodesWithTag = function(tagName) {
var matchingNodes = new Array();
var tagName = tagName.toUpperCase();
for (var i = 0; i < this.childNodes.length; i++) {
// log("(" + tagName + ") childNodes " + i + " = " + this.childNodes[i]);
if (typeof(this.childNodes[i]) == "object"
&& this.childNodes[i].tagName
&& this.childNodes[i].tagName.toUpperCase() == tagName)
matchingNodes.push(this.childNodes[i]);
}
// log ("matching: " + matchingNodes.length);
return matchingNodes;
}
HTMLElement.prototype.addClassName = function(className) {
var classStr = '' + this.getAttribute("class");
position = classStr.indexOf(className, 0);
if (position < 0) {
classStr = classStr + ' ' + className;
this.setAttribute('class', classStr);
}
}
HTMLElement.prototype.removeClassName = function(className) {
var classStr = '' + this.getAttribute('class');
position = classStr.indexOf(className, 0);
while (position > -1) {
classStr1 = classStr.substring(0, position);
classStr2 = classStr.substring(position + 10, classStr.length);
classStr = classStr1 + classStr2;
position = classStr.indexOf(className, 0);
}
this.setAttribute('class', classStr);
}
HTMLElement.prototype.hasClassName = function(className) {
var classStr = '' + this.getAttribute('class');
position = classStr.indexOf(className, 0);
return (position > -1);
}
HTMLElement.prototype.getParentWithTagName = function(tagName) {
var currentElement = this;
tagName = tagName.toUpperCase();
currentElement = currentElement.parentNode;
while (currentElement
&& currentElement.tagName != tagName) {
currentElement = currentElement.parentNode;
}
return currentElement;
}
HTMLElement.prototype.cascadeLeftOffset = function() {
var currentElement = this;
var offset = 0;
while (currentElement) {
offset += currentElement.offsetLeft;
currentElement = currentElement.getParentWithTagName("div");
}
return offset;
}
HTMLElement.prototype.cascadeTopOffset = function() {
var currentElement = this;
var offset = 0;
var i = 0;
while (currentElement
&& currentElement instanceof HTMLElement) {
offset += currentElement.offsetTop;
currentElement = currentElement.parentNode;
i++;
}
return offset;
}
HTMLElement.prototype.dump = function(additionalInfo, additionalKeys) {
var id = this.getAttribute("id");
var nclass = this.getAttribute("class");
var str = this.tagName;
if (id)
str += "; id = " + id;
if (nclass)
str += "; class = " + nclass;
if (additionalInfo)
str += "; " + additionalInfo;
if (additionalKeys)
for (var i = 0; i < additionalKeys.length; i++) {
var value = this.getAttribute(additionalKeys[i]);
if (value)
str += "; " + additionalKeys[i] + " = " + value;
}
log (str);
}
HTMLElement.prototype.getSelectedNodes = function() {
var selArray = new Array();
for (var i = 0; i < this.childNodes.length; i++) {
node = this.childNodes.item(i);
if (node.nodeType == 1
&& isNodeSelected(node))
selArray.push(node);
}
return selArray;
}
HTMLElement.prototype.getSelectedNodesId = function() {
var selArray = new Array();
for (var i = 0; i < this.childNodes.length; i++) {
node = this.childNodes.item(i);
if (node.nodeType == 1
&& isNodeSelected(node))
selArray.push(node.getAttribute("id"));
}
return selArray;
}
HTMLElement.prototype.onContextMenu = function(event) {
var popup = this.sogoContextMenu;
if (document.currentPopupMenu)
hideMenu(event, document.currentPopupMenu);
var menuTop = event.pageY;
var menuLeft = event.pageX;
var heightDiff = (window.innerHeight
- (menuTop + popup.offsetHeight));
if (heightDiff < 0)
menuTop += heightDiff;
var leftDiff = (window.innerWidth
- (menuLeft + popup.offsetWidth));
if (leftDiff < 0)
menuLeft -= popup.offsetWidth;
popup.style.top = menuTop + "px;";
popup.style.left = menuLeft + "px;";
popup.style.visibility = "visible;";
// setupMenuTarget(popup, event.target);
bodyOnClick = "" + document.body.getAttribute("onclick");
document.body.setAttribute("onclick", "onBodyClick(event);");
document.currentPopupMenu = popup;
// event.cancelBubble = true;
// event.returnValue = false;
}
HTMLElement.prototype.attachMenu = function(menuName) {
this.sogoContextMenu = $(menuName);
this.addEventListener("contextmenu", this.onContextMenu, true);
}