X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=editor.coffee;h=ceffb9a3b88b804c79e87aab0bcb58983edf8bd7;hb=aa6e7840ed72af2ded70181409c8fdd0e5b75e48;hp=440bb3e07c01000278511a9b387e1b8395bf49fd;hpb=0d372f534ac3b5439d9db3ad5cfe83d9ad6801e1;p=peach-html5-editor.git

diff --git a/editor.coffee b/editor.coffee
index 440bb3e..ceffb9a 100644
--- a/editor.coffee
+++ b/editor.coffee
@@ -56,6 +56,15 @@ is_display_block = (el) ->
 	else
 		return window.getComputedStyle(el, null).getPropertyValue('display') is 'block'
 
+# Pass return value from dom event handlers to this.
+# If they return false, this will addinionally stop propagation and default.
+event_return = (e, bool) ->
+	if bool is false
+		if e.stopPropagation?
+			e.stopPropagation()
+		if e.preventDefault?
+			e.preventDefault()
+	return bool
 # Warning: currently assumes you're asking about a single character
 # Note: chromium returns multiple bounding rects for a space at a line-break
 # Note: chromium's getBoundingClientRect() is broken (when zero-area client rects)
@@ -181,25 +190,32 @@ outer_css = (args) ->
 	inner_padding = args.inner_padding ? overlay_padding
 	frame_width = args.frame_width ? inner_padding
 	# TODO editor controls height...
-	shrink = (px) ->
-		w -= 2 * px
-		h -= 2 * px
-		return px
+	occupy = (left, top = left, right = left, bottom = top) ->
+		w -= left + right
+		h -= top + bottom
+		return Math.max(left, top, right, bottom)
 	ret = ''
 	ret += 'body {'
 	ret +=     'margin: 0;'
 	ret +=     'padding: 0;'
 	ret += '}'
 	ret += '#wrap1 {'
-	ret +=     "border: #{shrink 1}px solid black;"
-	ret +=     "padding: #{shrink frame_width}px;"
+	ret +=     "border: #{occupy 1}px solid black;"
+	ret +=     "padding: #{occupy frame_width}px;"
 	ret += '}'
 	ret += '#wrap2 {'
-	ret +=     "border: #{shrink 1}px solid black;"
-	ret +=     "padding: #{shrink inner_padding}px;"
+	ret +=     "border: #{occupy 1}px solid black;"
+	ret +=     "padding: #{occupy inner_padding}px;"
+	ret +=     "padding-right: #{inner_padding + occupy 0, 0, 15, 0}px;" # for scroll bar
+	ret +=     "width: #{w}px;"
+	ret +=     "height: #{h}px;"
+	ret +=     'overflow-x: hidden;'
+	ret +=     'overflow-y: scroll;'
 	ret += '}'
 	ret += '#wrap3 {'
 	ret +=     'position: relative;'
+	ret +=     "width: #{w}px;"
+	ret +=     "min-height: #{h}px;"
 	ret += '}'
 	ret += 'iframe {'
 	ret +=     'box-sizing: border-box;'
@@ -207,7 +223,11 @@ outer_css = (args) ->
 	ret +=     'border: none;'
 	ret +=     'padding: 0;'
 	ret +=     "width: #{w}px;"
-	ret +=     "height: #{h}px;"
+	#ret +=     "height: #{h}px;" # height auto-set when content set/changed
+	ret +=     '-ms-user-select: none;'
+	ret +=     '-webkit-user-select: none;'
+	ret +=     '-moz-user-select: none;'
+	ret +=     'user-select: none;'
 	ret += '}'
 	ret += '#overlay {'
 	ret +=     'position: absolute;'
@@ -542,11 +562,12 @@ tree_dedup_space = (tree) ->
 class PeachHTML5Editor
 	# Options: (all optional)
 	#   editor_id: "id" attribute for outer-most element created by/for editor
+	#   on_init: callback for when the editable content is in place
 	constructor: (in_el, options) ->
 		@options = options ? {}
 		@in_el = in_el
 		@tree = []
-		@initialized = false # when iframes have loaded
+		@inited = false # when iframes have loaded
 		@outer_iframe # iframe to hold editor
 		@outer_idoc # "document" object for @outer_iframe
 		@iframe = null # iframe to hold editable content
@@ -572,6 +593,7 @@ class PeachHTML5Editor
 			@iframe = domify @outer_idoc, iframe: {}
 			@iframe.onload = =>
 				@init()
+			setTimeout (=> @init() unless @inited), 200 # firefox never fires this onload
 			@outer_idoc.body.appendChild(
 				domify @outer_idoc, div: id: 'wrap1', children: [
 					domify @outer_idoc, div: id: 'wrap2', children: [
@@ -593,29 +615,34 @@ 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
+	init: -> # called by @iframe's onload (or timeout on firefox)
 		@idoc = @iframe.contentDocument
 		@overlay.onclick = (e) =>
-			return @onclick e
+			return event_return @onclick e
+		@overlay.ondoubleclick = (e) =>
+			return event_return @ondoubleclick e
 		@outer_idoc.body.onkeyup = (e) =>
-			return @onkeyup e
+			return event_return @onkeyup e
 		@outer_idoc.body.onkeydown = (e) =>
-			return @onkeydown e
+			return event_return @onkeydown e
 		@outer_idoc.body.onkeypress = (e) =>
-			return @onkeypress e
+			return event_return @onkeypress e
 		if @options.stylesheet
 			# TODO test this
 			@idoc.head.appendChild domify @idoc, style: src: @options.stylesheet
 		@load_html @in_el.value
-		@initialized = true
-		if @options.initialized_cb?
-			@options.initialized_cb()
+		@inited = true
+		if @options.on_init?
+			@options.on_init()
 	onclick: (e) ->
 		x = (e.offsetX ? e.layerX) - overlay_padding
 		y = (e.offsetY ? e.layerY) - overlay_padding
 		new_cursor = find_loc_cursor_position @tree, x: x, y: y
 		if new_cursor?
 			@move_cursor new_cursor
+		return false
+	ondoubleclick: (e) ->
+		return false
 	onkeyup: (e) ->
 		return if e.ctrlKey
 		return false if ignore_key_codes[e.keyCode]?
@@ -720,6 +747,8 @@ class PeachHTML5Editor
 		@in_el.value = dom_to_html @tree
 		@in_el.onchange = =>
 			@load_html @in_el.value
+		@iframe.style.height = "0"
+		@iframe.style.height = "#{@idoc.body.scrollHeight}px"
 	kill_cursor: -> # remove it, forget where it was
 		if @cursor_visible
 			@cursor_el.parentNode.removeChild @cursor_el