Moved itools to live branch

1 files changed, 165 insertions, 0 deletions

diff --git a/itjs/it.js b/itjs/it.js
new file mode 100644
index 0000000..1a792f3
--- /dev/null
+++ b/itjs/it.js
@@ -0,0 +1,165 @@
+// $Id$
+
+/**
+ * Clear contents of element 'jsdebug'
+ */
+function CED(txt)
+{
+	var element = document.getElementById('jsdebug');
+
+	if (element)
+		element.innerHTML = txt ? txt : "";
+}
+
+/**
+ * Add debugging output to element 'jsdebug'
+ */
+function ED()
+{
+	var element = document.getElementById('jsdebug');
+
+	if (element)
+	{
+		var text = "";
+
+		for (var i = 0; i < arguments.length; i++)
+		{
+			var variable = arguments[i];
+
+			if (typeof variable == "string")
+				variable = variable.replace(/&/g, '&amp;').replace(/</g, '&lt;');
+
+			text += (typeof variable) + " " + variable;
+
+			if (typeof variable == "object")
+			{
+				text += ":";
+
+				for (field in variable)
+				{
+					text += field + "=";
+
+					try { text += typeof variable[field] == 'function' ? 'function' : variable[field]; }
+					catch (e) { text += "*" + e + "*"; }
+
+					text += "\n";
+				}
+				text += "\n";
+			}
+
+			text += "\n";
+		}
+
+		element.innerHTML += '<pre style="background-color:#FEE; margin:0">'  + text + '</pre>';
+	}
+}
+
+/**
+ * Quote HTML special chars
+ * @return Text string with & " < > htmlentities-encoded
+ */
+function Q(value)
+{
+	return value.toString().replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+}
+
+/**
+ * String class: Replaces variables of the form {var} with values from given array
+ * @param values Associative array containing values to fill in (optional)
+ * @return Text string with variables replaced by their values
+ */
+String.prototype.T = function(values)
+{
+	var result = this;
+
+	for (key in values)
+		result = result.replace(new RegExp("{" + key + "}", "g"), values[key]);
+
+	return result;
+}
+
+/**
+ * Insert an event handler on top of chain
+ * @param p.element Element to handle event for
+ * @param p.event Name of event:'focus', 'click', ... (without 'on')
+ * @param p.object Object that contains handler method
+ * @param p.method Method of p.object to call on p.event
+ */
+function it_event(p)
+{
+	var oldhandler = p.element["on" + p.event];
+
+	p.element["on" + p.event] = function(ev)
+	{
+		var pp = arguments.callee.p ? arguments.callee.p : p;
+		var oo = arguments.callee.oldhandler ? arguments.callee.oldhandler : oldhandler;
+
+		var result = pp.object[pp.method](ev ? ev : window.event, pp);
+
+		if (result && oo)
+			result = oo(ev);
+
+		return result;
+	}
+	p.element["on" + p.event].p = p;
+	p.element["on" + p.event].oldhandler = oldhandler;
+}
+
+/* Get object pixel position. Based on quirksmode.org's code */
+function it_get_obj_x(obj)
+{       
+	var curleft = 0;
+	if (obj.offsetParent)
+		while (obj)
+		{
+			curleft += obj.offsetLeft;
+			obj = obj.offsetParent;
+		}
+	else if (obj.x)
+		curleft += obj.x;
+	return curleft;
+}       
+
+function it_get_obj_y(obj)
+{	       
+	var curtop = 0;
+	if (obj.offsetParent)
+		while (obj)
+		{
+			curtop += obj.offsetTop;
+			obj = obj.offsetParent;
+		}
+	else if (obj.y)
+		curtop += obj.y;
+	return curtop;
+}
+
+/* Get an iframe's content document in a compatible way */
+function it_get_iframe_document(iframe)
+{
+	return iframe.contentWindow ? iframe.contentWindow.document : iframe.contentDocument;
+}
+
+/**
+ * Clone src value and return dst. If dst is given then src attributes are
+ * copied into it, otherwise a new object is created. Also works with scalar
+ * values. Performs a deep copy of objects
+ * @param src Source object/value to clone
+ * @param dst Destination object to copy attributes from src to (optional)
+ * @return dst holding copy of src
+ */
+function it_clone(src, dst)
+{
+	if (typeof src == "object")
+	{
+		if (!dst)
+			dst = {};
+
+		for (var i in src)
+			dst[i] = it_clone(src[i]);
+	}
+	else
+		dst = src;
+
+	return dst;
+}