copySelector.uc.js

// ==UserScript==
// @name           copySelector
// @description    Stylish から拝借
// @namespace      http://d.hatena.ne.jp/Griever/
// @author         Griever
// @include        chrome://inspector/content/inspector.xul
// @compatibility  Firefox 4
// @version        0.0.1
// ==/UserScript==

setTimeout(function() {
	var pane = document.getElementById("bxDocPanel");
	var iframe = pane.mIFrameEl;
	var win = iframe.contentWindow;
	var doc = iframe.contentDocument;

	if (win.stylishDomi) return;

	win.stylishDomi = {
		generateSelectors: function(event) {
			var node = win.viewer.selectedNode;
			if (!(node instanceof Element)) {
				return;
			}
			var popup = event.target;
			var idmenu = doc.getElementById("copy-selector-id");
			var classmenu = doc.getElementById("copy-selector-class");

			// id selector
			if (node.hasAttribute("id")) {
				idmenu.setAttribute("label", "#" + node.getAttribute("id"));
				idmenu.setAttribute("hidden", "false");
			} else {
				idmenu.setAttribute("hidden", "true");
			}
			//class selector
			if (node.hasAttribute("class")) {
				classmenu.setAttribute("label", "." + node.getAttribute("class").split(/\s+/).join("."));
				classmenu.setAttribute("hidden", "false");
			} else {
				classmenu.setAttribute("hidden", "true");
			}
		},
		copySelectorToClipboard: function(event) {
			Components.classes["@mozilla.org/widget/clipboardhelper;1"].getService(Components.interfaces.nsIClipboardHelper).copyString(event.target.getAttribute("label"));
		}
	}

	var mnEditPasteMenu = doc.querySelector("#mnEditPasteMenu + menuseparator");

	var m = doc.createElement("menuitem");
	m.setAttribute("id", "copy-selector-id");
	m.setAttribute("hidden", "true");
	m.setAttribute("oncommand", "stylishDomi.copySelectorToClipboard(event);");
	mnEditPasteMenu.parentNode.insertBefore(m, mnEditPasteMenu);

	var m = doc.createElement("menuitem");
	m.setAttribute("id", "copy-selector-class");
	m.setAttribute("hidden", "true");
	m.setAttribute("oncommand", "stylishDomi.copySelectorToClipboard(event);");
	mnEditPasteMenu.parentNode.insertBefore(m, mnEditPasteMenu);

	doc.getElementById('ppDOMContext').addEventListener('popupshowing', win.stylishDomi.generateSelectors, false);
	win.addEventListener('unload', function(event){
		doc.getElementById('ppDOMContext').removeEventListener('popupshowing', win.stylishDomi.generateSelectors, false);
	}, false);

}, 500);

stylish.rdf をCSSに書きだす。エラーコンソールから実行する。

(function() {
	var Cc = Components.classes;
	var Ci = Components.interfaces;

	function getDatasourceURI() {
		var file = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties).get("ProfD", Ci.nsIFile);
		file.append("stylish.rdf");
		if (!file.exists()) throw "stylish.rdf is Not Found.";
		var ioService = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
		return ioService.newFileURI(file).spec;
	}

	var rdfService = Cc["@mozilla.org/rdf/rdf-service;1"].getService(Ci.nsIRDFService);
	var ds = rdfService.GetDataSourceBlocking(getDatasourceURI());
	var rdfContainerUtils = Cc["@mozilla.org/rdf/container-utils;1"].getService(Ci.nsIRDFContainerUtils);
	var container = rdfContainerUtils.MakeSeq(ds, rdfService.GetResource("urn:stylish:userstyles"));
	var children = container.GetElements();
	var enabledPredicate = rdfService.GetResource("urn:stylish#enabled");
	var codePredicate = rdfService.GetResource("urn:stylish#code");
	var descriptionPredicate = rdfService.GetResource("urn:stylish#description");
	var namespacePredicate = rdfService.GetResource("urn:stylish#namespace");

	var xulns = [];
	var htmlns = [];
	var exns = [];
	while (children.hasMoreElements()) {
		var current = children.getNext();
		var nsNode = ds.GetTarget(current, namespacePredicate, true);
		var namespace = nsNode? nsNode.QueryInterface(Ci.nsIRDFLiteral).Value : "";
		var description = ds.GetTarget(current, descriptionPredicate, true).QueryInterface(Ci.nsIRDFLiteral).Value;
		var enabled     = ds.GetTarget(current, enabledPredicate, true).QueryInterface(Ci.nsIRDFLiteral).Value;
		var css         = ds.GetTarget(current, codePredicate, true).QueryInterface(Ci.nsIRDFLiteral).Value;
		var code = 
				"/*\n" + 
				" * @description " + description  + "\n" + 
				" * @enabled     " + enabled  + "\n" + 
				" */\n\n" + css + "\n\n\n\n";

		if (namespace == "http://www.w3.org/1999/xhtml")
			htmlns.push(code);
		else if (namespace == "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul")
			xulns.push(code);
		else 
			exns.push(code);
	}

	var url = "data:text/css;charset=UTF-8," + encodeURIComponent(
		htmlns.join('\n\n\n\n') + "\n\n\n\n\n\n" + 
		xulns.join('\n\n\n\n') + "\n\n\n\n\n\n" + 
		exns.join('\n\n\n\n') + "\n\n\n\n\n\n");
	var wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
	var win = wm.getMostRecentWindow("navigator:browser");
	if (win) {
		win.openNewTabWith(url);
	} else {
		window.openDialog("chrome://browser/content/", "_blank", "chrome,all,dialog=no", url);
	}
})();