From 2c684978b6657acd19ac5a1a6016ed5761a260d2 Mon Sep 17 00:00:00 2001
From: Jason Woofenden <jason@jasonwoof.com>
Date: Mon, 14 Mar 2016 23:03:25 -0400
Subject: [PATCH] fix loading css for editable content

---
 .git-ftp-include           |    1 +
 .gitignore                 |    1 +
 Makefile                   |    6 +++++-
 editor.coffee              |   23 ++++++++++++++++++++---
 editor_tests.coffee        |    2 +-
 editor_tests_compiled.html |    1 +
 page_dark.styl             |    6 ++++++
 7 files changed, 35 insertions(+), 5 deletions(-)
 create mode 100644 page_dark.styl

diff --git a/.git-ftp-include b/.git-ftp-include
index cba16da..ac71a0a 100644
--- a/.git-ftp-include
+++ b/.git-ftp-include
@@ -3,3 +3,4 @@ editor_tests.js:editor_tests.coffee
 parser.js:parser.coffee
 parser_no_browser_helper.js:parser_no_browser_helper.coffee
 parser_tests.js:parser_tests.coffee
+page_dark.css:page_dark.styl
diff --git a/.gitignore b/.gitignore
index 21f7542..dd05b79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /parser_tests.js
 /editor.js
 /editor_tests.js
+/page_dark.css
diff --git a/Makefile b/Makefile
index 257fda2..3c4cdd2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,12 @@
-OBJECTS= parser.js parser_tests.js parser_no_browser_helper.js editor.js editor_tests.js
+OBJECTS= parser.js parser_tests.js parser_no_browser_helper.js editor.js editor_tests.js page_dark.css
+
 all: $(OBJECTS)
 
 %.js: %.coffee
 	coffee -c $< && sed -i -e 's/\(parser\|parser_no_browser_helper\)[.]coffee/\1.js/g' $@
 
+%.css: %.styl
+	stylus $<
+
 clean:
 	rm -f $(OBJECTS)
diff --git a/editor.coffee b/editor.coffee
index 66d1dfe..a5cd8d6 100644
--- a/editor.coffee
+++ b/editor.coffee
@@ -24,6 +24,19 @@ next_frame = (cb) ->
 	else
 		timeout 16, cb
 
+this_url_sans_path = ->
+	ret = "#{window.location.href}"
+	clip = ret.lastIndexOf '#'
+	if clip > -1
+		ret = ret.substr 0, clip
+	clip = ret.lastIndexOf '?'
+	if clip > -1
+		ret = ret.substr 0, clip
+	clip = ret.lastIndexOf '/'
+	if clip > -1
+		ret = ret.substr 0, clip + 1
+	return ret
+
 # xml 1.0 spec, chromium and firefox accept these, plus lots of unicode chars
 valid_attr_regex = new RegExp '^[a-zA-Z_:][-a-zA-Z0-9_:.]*$'
 # html5 spec is much more lax, but chromium won't let me make at attribute with the name "4"
@@ -587,6 +600,7 @@ tree_dedup_space = (tree) ->
 class PeachHTML5Editor
 	# Options: (all optional)
 	#   editor_id: "id" attribute for outer-most element created by/for editor
+	#   css_file: filename of a css file to style editable content
 	#   on_init: callback for when the editable content is in place
 	constructor: (in_el, options) ->
 		@options = options ? {}
@@ -619,7 +633,7 @@ class PeachHTML5Editor
 				domify @outer_idoc, text: css
 			]
 			@outer_idoc.head.appendChild icss
-			@iframe = domify @outer_idoc, iframe: {}
+			@iframe = domify @outer_idoc, iframe: sandbox: 'allow-same-origin allow-scripts'
 			@iframe.onload = =>
 				@init()
 			setTimeout (=> @init() unless @inited), 200 # firefox never fires this onload
@@ -661,9 +675,12 @@ class PeachHTML5Editor
 		@outer_idoc.body.onkeypress = (e) =>
 			@have_focus()
 			return event_return e, @onkeypress e
-		if @options.stylesheet
+		# chromium doesn't resolve relative urls as though they were at the same domain
+		# so add a <base> tag
+		@idoc.head.appendChild domify @idoc, base: href: this_url_sans_path()
+		if @options.css_file
 			# TODO test this
-			@idoc.head.appendChild domify @idoc, style: src: @options.stylesheet
+			@idoc.head.appendChild domify @idoc, link: rel: 'stylesheet', type: 'text/css', href: @options.css_file
 		@load_html @in_el.value
 		@inited = true
 		if @options.on_init?
diff --git a/editor_tests.coffee b/editor_tests.coffee
index 7297567..c45895a 100644
--- a/editor_tests.coffee
+++ b/editor_tests.coffee
@@ -1,4 +1,4 @@
 in_el = document.getElementById 'in'
 button = document.getElementById 'button'
 button.parentNode.removeChild button
-window.editor = peach_html5_editor in_el
+window.editor = peach_html5_editor in_el, css_file: 'page_dark.css'
diff --git a/editor_tests_compiled.html b/editor_tests_compiled.html
index cff5d6f..f046002 100644
--- a/editor_tests_compiled.html
+++ b/editor_tests_compiled.html
@@ -4,6 +4,7 @@
 	<meta charset="UTF-8">
 	<link rel="icon" href="data:null">
 	<title>html editor tester</title>
+	<link rel="stylesheet" href="page_dark.css">
 	<style>
 		textarea {
 			box-sizing: border-box;
diff --git a/page_dark.styl b/page_dark.styl
new file mode 100644
index 0000000..21ac9db
--- /dev/null
+++ b/page_dark.styl
@@ -0,0 +1,6 @@
+body
+	color: white
+	background: black
+
+a, a:link, a:hover, a:visited
+	color: #88f
-- 
1.7.10.4