HTMLArea.prototype.execCommand = function()

in blocks/cocoon-forms/cocoon-forms-impl/src/main/resources/org/apache/cocoon/forms/resources/htmlarea/htmlarea.js [1556:1637]
78 lines of code
31 McCabe index (conditional complexity)

HTMLArea.prototype.execCommand = function(cmdID, UI, param) {
	var editor = this;	// for nested functions
	this.focusEditor();
	cmdID = cmdID.toLowerCase();
	switch (cmdID) {
	    case "htmlmode" : this.setMode(); break;
	    case "hilitecolor":
		(HTMLArea.is_ie) && (cmdID = "backcolor");
	    case "forecolor":
		this._popupDialog("select_color.html", function(color) {
			if (color) { // selection not canceled
				editor._doc.execCommand(cmdID, false, "#" + color);
			}
		}, HTMLArea._colorToRgb(this._doc.queryCommandValue(cmdID)));
		break;
	    case "createlink":
		this._createLink();
		break;
	    case "popupeditor":
		// this object will be passed to the newly opened window
		HTMLArea._object = this;
		if (HTMLArea.is_ie) {
			//if (confirm(HTMLArea.I18N.msg["IE-sucks-full-screen"]))
			{
				window.open(this.popupURL("fullscreen.html"), "ha_fullscreen",
					    "toolbar=no,location=no,directories=no,status=no,menubar=no," +
					    "scrollbars=no,resizable=yes,width=640,height=480");
			}
		} else {
			window.open(this.popupURL("fullscreen.html"), "ha_fullscreen",
				    "toolbar=no,menubar=no,personalbar=no,width=640,height=480," +
				    "scrollbars=no,resizable=yes");
		}
		break;
	    case "undo":
	    case "redo":
		if (this._customUndo)
			this[cmdID]();
		else
			this._doc.execCommand(cmdID, UI, param);
		break;
	    case "inserttable": this._insertTable(); break;
	    case "insertimage": this._insertImage(); break;
	    case "about"    : this._popupDialog("about.html", null, this); break;
	    case "showhelp" : window.open(_editor_url + "reference.html", "ha_help"); break;

	    case "killword": this._wordClean(); break;

	    case "cut":
	    case "copy":
	    case "paste":
		try {
			if (this.config.killWordOnPaste)
				this._wordClean();
			this._doc.execCommand(cmdID, UI, param);
		} catch (e) {
			if (HTMLArea.is_gecko) {
				if (confirm("Unprivileged scripts cannot access Cut/Copy/Paste programatically " +
					    "for security reasons.  Click OK to see a technical note at mozilla.org " +
					    "which shows you how to allow a script to access the clipboard."))
					window.open("http://mozilla.org/editor/midasdemo/securityprefs.html");
			}
		}
		break;
	    case "lefttoright":
	    case "righttoleft":
		var dir = (cmdID == "righttoleft") ? "rtl" : "ltr";
		var el = this.getParentElement();
		while (el && !HTMLArea.isBlockElement(el))
			el = el.parentNode;
		if (el) {
			if (el.style.direction == dir)
				el.style.direction = "";
			else
				el.style.direction = dir;
		}
		break;
	    default: this._doc.execCommand(cmdID, UI, param);
	}
	this.updateToolbar();
	return false;
};