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)
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;'
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;'
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
@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: [
@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]?
@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
Got questions, comments, patches, etc.? Contact Jason Woofenden