X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=editor.coffee;h=d3b428a951bd0a82cf02ec2ce14140aff6fc9ea4;hb=7c692d45783faabd8cac58eef62e5de41ddeb5c8;hp=cbbe9c341d290ff2c9aa8775a8a4b645e0a280fa;hpb=c951e0ff067bf026175ccd32890642dd05416602;p=peach-html5-editor.git

diff --git a/editor.coffee b/editor.coffee
index cbbe9c3..d3b428a 100644
--- a/editor.coffee
+++ b/editor.coffee
@@ -197,6 +197,8 @@ outer_css = (args) ->
 	ret += 'body {'
 	ret +=     'margin: 0;'
 	ret +=     'padding: 0;'
+	ret +=     'color: black;'
+	ret +=     'background: white;'
 	ret += '}'
 	ret += '#wrap1 {'
 	ret +=     "border: #{occupy 1}px solid black;"
@@ -386,13 +388,15 @@ find_prev_cursor_position = (tree, n, i) ->
 				if prev_xyh.x < orig_xyh.x or prev_xyh.y < orig_xyh.y
 					return [n, prev_i]
 		return [n, i - 1]
-	found_prev = n?
+	found_prev = null
 	found = null
 	traverse_tree tree, (node) ->
 		if node.type is 'text'
+			unless n?
+				found = node
+				return true
 			if node is n
-				if found_prev?
-					found = found_prev
+				found = found_prev # null if n is the first text node
 				return true
 			found_prev = node
 		return false
@@ -607,9 +611,9 @@ class PeachHTML5Editor
 	constructor: (in_el, options) ->
 		@options = options ? {}
 		@in_el = in_el
-		@tree = []
+		@tree = null
 		@matting = []
-		@inited = false # when iframes have loaded
+		@init_1_called = false # when iframes have loaded
 		@outer_iframe # iframe to hold editor
 		@outer_idoc # "document" object for @outer_iframe
 		@wrap2 = null # scrollbar is on this
@@ -620,6 +624,7 @@ class PeachHTML5Editor
 		@cursor_visible = false
 		@poll_for_blur_timeout = null
 		@iframe_offset = null
+		@iframe_height = null
 		opt_fragment = @options.fragment ? true
 		@parser_opts = {}
 		if opt_fragment
@@ -637,10 +642,12 @@ class PeachHTML5Editor
 			@outer_idoc.head.appendChild icss
 			@iframe = domify @outer_idoc, iframe: sandbox: 'allow-same-origin allow-scripts'
 			@iframe.onload = =>
-				@init()
-			setTimeout (=> @init() unless @inited), 200 # firefox never fires this onload
+				@init_1()
+			timeout 200, => # firefox never fires this onload
+				@init_1() unless @init_1_called
 			@outer_idoc.body.appendChild(
 				domify @outer_idoc, div: id: 'wrap1', children: [
+					domify @outer_idoc, div: style: "position: absolute; top: 0; left: 1px; font-size: 10px", children: [ domify @outer_idoc, text: "Peach HTML5 Editor" ]
 					@wrap2 = domify @outer_idoc, div: id: 'wrap2', children: [
 						domify @outer_idoc, div: id: 'wrap3', children: [
 							@iframe
@@ -660,8 +667,23 @@ class PeachHTML5Editor
 		@outer_iframe.setAttribute 'style', outer_iframe_style
 		css = outer_css w: outer_bounds.w, h: outer_bounds.h
 		outer_wrap.appendChild @outer_iframe
-	init: -> # called by @iframe's onload (or timeout on firefox)
+	init_1: -> # @iframe has loaded (but not it's css)
 		@idoc = @iframe.contentDocument
+		@init_1_called = true
+		# 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()
+		# don't let @iframe have scrollbars
+		@idoc.head.appendChild domify @idoc, style: children: [domify @idoc, text: "body { overflow: hidden; }"]
+		# load css file
+		if @options.css_file
+			istyle = domify @idoc, link: rel: 'stylesheet', href: @options.css_file
+			istyle.onload = =>
+				@init_2()
+			@idoc.head.appendChild istyle
+		else
+			@init_2()
+	init_2: -> # @iframe and it's css file(s) are ready
 		@overlay.onclick = (e) =>
 			@have_focus()
 			return event_return e, @onclick e
@@ -677,14 +699,7 @@ class PeachHTML5Editor
 		@outer_idoc.body.onkeypress = (e) =>
 			@have_focus()
 			return event_return e, @onkeypress e
-		# 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, link: rel: 'stylesheet', type: 'text/css', href: @options.css_file
 		@load_html @in_el.value
-		@inited = true
 		if @options.on_init?
 			@options.on_init()
 	overlay_event_to_inner_xy: (e) ->
@@ -809,8 +824,15 @@ class PeachHTML5Editor
 		@in_el.value = @pretty_html @tree
 		@in_el.onchange = =>
 			@load_html @in_el.value
-		@iframe.style.height = "0"
-		@iframe.style.height = "#{@idoc.body.scrollHeight}px"
+		@adjust_iframe_height()
+	adjust_iframe_height: ->
+		h = parseInt(@idoc.body.scrollHeight, 10)
+		if @iframe_height isnt h
+			@iframe_height = h
+			s = @wrap2.scrollTop
+			@iframe.style.height = "0"
+			@iframe.style.height = "#{h}px"
+			@wrap2.scrollTop = s
 	kill_cursor: -> # remove it, forget where it was
 		if @cursor_visible
 			@cursor_el.parentNode.removeChild @cursor_el