HTMLArea.prototype.updateToolbar = function()

in blocks/cocoon-forms/cocoon-forms-impl/src/main/resources/org/apache/cocoon/forms/resources/htmlarea/htmlarea.js [1050:1219]

• 139 lines of code
• 55 McCabe index (conditional complexity)

HTMLArea.prototype.updateToolbar = function(noStatus) {
	var doc = this._doc;
	var text = (this._editMode == "textmode");
	var ancestors = null;
	if (!text) {
		ancestors = this.getAllAncestors();
		if (this.config.statusBar && !noStatus) {
			this._statusBarTree.innerHTML = HTMLArea.I18N.msg["Path"] + ": "; // clear
			for (var i = ancestors.length; --i >= 0;) {
				var el = ancestors[i];
				if (!el) {
					// hell knows why we get here; this
					// could be a classic example of why
					// it's good to check for conditions
					// that are impossible to happen ;-)
					continue;
				}
				var a = document.createElement("a");
				a.href = "#";
				a.el = el;
				a.editor = this;
				a.onclick = function() {
					this.blur();
					this.editor.selectNodeContents(this.el);
					this.editor.updateToolbar(true);
					return false;
				};
				a.oncontextmenu = function() {
					// TODO: add context menu here
					this.blur();
					var info = "Inline style:\n\n";
					info += this.el.style.cssText.split(/;\s*/).join(";\n");
					alert(info);
					return false;
				};
				var txt = el.tagName.toLowerCase();
				a.title = el.style.cssText;
				if (el.id) {
					txt += "#" + el.id;
				}
				if (el.className) {
					txt += "." + el.className;
				}
				a.appendChild(document.createTextNode(txt));
				this._statusBarTree.appendChild(a);
				if (i != 0) {
					this._statusBarTree.appendChild(document.createTextNode(String.fromCharCode(0xbb)));
				}
			}
		}
	}
	for (var i in this._toolbarObjects) {
		var btn = this._toolbarObjects[i];
		var cmd = i;
		var inContext = true;
		if (btn.context && !text) {
			inContext = false;
			var context = btn.context;
			var attrs = [];
			if (/(.*)\[(.*?)\]/.test(context)) {
				context = RegExp.$1;
				attrs = RegExp.$2.split(",");
			}
			context = context.toLowerCase();
			var match = (context == "*");
			for (var k in ancestors) {
				if (!ancestors[k]) {
					// the impossible really happens.
					continue;
				}
				if (match || (ancestors[k].tagName.toLowerCase() == context)) {
					inContext = true;
					for (var ka in attrs) {
						if (!eval("ancestors[k]." + attrs[ka])) {
							inContext = false;
							break;
						}
					}
					if (inContext) {
						break;
					}
				}
			}
		}
		btn.state("enabled", (!text || btn.text) && inContext);
		if (typeof cmd == "function") {
			continue;
		}
		// look-it-up in the custom dropdown boxes
		var dropdown = this.config.customSelects[cmd];
		if ((!text || btn.text) && (typeof dropdown != "undefined")) {
			dropdown.refresh(this);
			continue;
		}
		switch (cmd) {
		    case "fontname":
		    case "fontsize":
		    case "formatblock":
			if (!text) try {
				var value = ("" + doc.queryCommandValue(cmd)).toLowerCase();
				if (!value) {
					// FIXME: what do we do here?
					break;
				}
				// HACK -- retrieve the config option for this
				// combo box.  We rely on the fact that the
				// variable in config has the same name as
				// button name in the toolbar.
				var options = this.config[cmd];
				var k = 0;
				// btn.element.selectedIndex = 0;
				for (var j in options) {
					// FIXME: the following line is scary.
					if ((j.toLowerCase() == value) ||
					    (options[j].substr(0, value.length).toLowerCase() == value)) {
						btn.element.selectedIndex = k;
						break;
					}
					++k;
				}
			} catch(e) {};
			break;
		    case "textindicator":
			if (!text) {
				try {with (btn.element.style) {
					backgroundColor = HTMLArea._makeColor(
						doc.queryCommandValue(HTMLArea.is_ie ? "backcolor" : "hilitecolor"));
					if (/transparent/i.test(backgroundColor)) {
						// Mozilla
						backgroundColor = HTMLArea._makeColor(doc.queryCommandValue("backcolor"));
					}
					color = HTMLArea._makeColor(doc.queryCommandValue("forecolor"));
					fontFamily = doc.queryCommandValue("fontname");
					fontWeight = doc.queryCommandState("bold") ? "bold" : "normal";
					fontStyle = doc.queryCommandState("italic") ? "italic" : "normal";
				}} catch (e) {
					// alert(e + "\n\n" + cmd);
				}
			}
			break;
		    case "htmlmode": btn.state("active", text); break;
		    case "lefttoright":
		    case "righttoleft":
			var el = this.getParentElement();
			while (el && !HTMLArea.isBlockElement(el))
				el = el.parentNode;
			if (el)
				btn.state("active", (el.style.direction == ((cmd == "righttoleft") ? "rtl" : "ltr")));
			break;
		    default:
			try {
				btn.state("active", (!text && doc.queryCommandState(cmd)));
			} catch (e) {}
		}
	}
	// take undo snapshots
	if (this._customUndo && !this._timerUndo) {
		this._undoTakeSnapshot();
		var editor = this;
		this._timerUndo = setTimeout(function() {
			editor._timerUndo = null;
		}, this.config.undoTimeout);
	}
	// check if any plugins have registered refresh handlers
	for (var i in this.plugins) {
		var plugin = this.plugins[i].instance;
		if (typeof plugin.onUpdateToolbar == "function")
			plugin.onUpdateToolbar();
	}
};