# SETTINGS
overlay_padding = 10
-TYPE_TAG = peach_parser.TYPE_TAG
-TYPE_TEXT = peach_parser.TYPE_TEXT
-TYPE_COMMENT = peach_parser.TYPE_COMMENT
-TYPE_DOCTYPE = peach_parser.TYPE_DOCTYPE
+timeout = (ms, cb) -> return setTimeout cb, ms
+next_frame = (cb) ->
+ if (window.requestAnimationFrame?)
+ window.requestAnimationFrame 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"
+js_attr_regex = new RegExp '^[oO][nN].'
debug_dot_at = (doc, x, y) ->
return # disabled
# text nodes don't have getBoundingClientRect(), so use selection api to find
# it.
-get_el_bounds = (el) ->
+get_el_bounds = window.bounds = (el) ->
if el.getBoundingClientRect?
rect = el.getBoundingClientRect()
else
bounding: range.getBoundingClientRect()
}
-# figure out the x/y coordinates of where the cursor should be if it's at
-# position ``i`` within text node ``n``
-# sometimes returns null (eg for whitespace that is not visible)
-window.cursor_to_xyh = cursor_to_xyh = (n, i) ->
- range = document.createRange()
- if n.text.length is 0
- ret = text_range_bounds n.el, 0, 0
- else if i is n.text.length
- ret = text_range_bounds n.el, i - 1, i
+class CursorPosition
+ constructor: (args) ->
+ @n = args.n ? null
+ @i = args.i ? null
+ if args.x?
+ @x = args.x
+ @y = args.y
+ @h = args.h
+ else
+ @set_xyh()
+ return
+ set_xyh: ->
+ range = document.createRange()
+ if @n.text.length is 0
+ ret = text_range_bounds @n.el, 0, 0
+ else if @i is @n.text.length
+ ret = text_range_bounds @n.el, @i - 1, @i
+ if ret?
+ ret.x += ret.w
+ else
+ ret = text_range_bounds @n.el, @i, @i + 1
if ret?
- ret.x += ret.w
- else
- ret = text_range_bounds n.el, i, i + 1
- if ret?
- debug_dot_at n.el.ownerDocument, ret.x, ret.y
- return ret
+ @x = ret.x
+ @y = ret.y
+ @h = ret.h
+ else
+ @x = null
+ @y = null
+ @h = null
+ return ret
+
+new_cursor_position = (args) ->
+ ret = new CursorPosition args
+ if ret.x?
+ return ret
+ return null
# encode text so it can be safely placed inside an html attribute
enc_attr_regex = new RegExp '(&)|(")|(\u00A0)', 'g'
track: true
wbr: true
}
-dom_to_html = (dom) ->
- ret = ''
- for el in dom
- switch el.type
- when TYPE_TAG
- ret += '<' + el.name
- attr_keys = []
- for k of el.attrs
- attr_keys.unshift k
- #attr_keys.sort()
- for k in attr_keys
- ret += " #{k}"
- if el.attrs[k].length > 0
- ret += "=\"#{enc_attr el.attrs[k]}\""
- ret += '>'
- unless void_elements[el.name]
- if el.children.length
- ret += dom_to_html el.children
- ret += "</#{el.name}>"
- when TYPE_TEXT
- ret += enc_text el.text
- when TYPE_COMMENT
- ret += "<!--#{el.text}-->"
- when TYPE_DOCTYPE
- ret += "<!DOCTYPE #{el.name}"
- if el.public_identifier? and el.public_identifier.length > 0
- ret += " \"#{el.public_identifier}\""
- if el.system_identifier? and el.system_identifier.length > 0
- ret += " \"#{el.system_identifier}\""
- ret += ">\n"
- return ret
+# TODO make these always pretty-print (on the inside) like blocks
+no_text_elements = { # these elements never contain text
+ select: true
+ table: true
+ tr: true
+ thead: true
+ tbody: true
+ ul: true
+ ol: true
+}
domify = (doc, hash) ->
for tag, attrs of hash
ret += 'body {'
ret += 'margin: 0;'
ret += 'padding: 0;'
+ ret += 'color: black;'
+ ret += 'background: white;'
ret += '}'
ret += '#wrap1 {'
ret += "border: #{occupy 1}px solid black;"
ret += '}'
ret += '#cursor {'
ret += 'position: absolute;'
- ret += 'height: 1em;' # FIXME adjust for hight of text
ret += 'width: 2px;'
- ret += 'background: #444;'
- ret += '-webkit-animation: blink 1s steps(2, start) infinite;'
- ret += 'animation: blink 1s steps(2, start) infinite;'
+ ret += 'background: linear-gradient(0deg, rgba(0,0,0,1), rgba(255,255,255,1), rgba(0,0,0,1), rgba(255,255,255,1), rgba(0,0,0,1), rgba(255,255,255,1), rgba(0,0,0,1), rgba(255,255,255,1), rgba(0,0,0,1));'
+ ret += 'background-size: 200% 200%;'
+ ret += '-webkit-animation: blink 1s linear normal infinite;'
+ ret += 'animation: blink 1s linear normal infinite;'
ret += '}'
ret += '@-webkit-keyframes blink {'
- ret += 'to { visibility: hidden; }'
+ ret += '0%{background-position:0% 0%}'
+ ret += '100%{background-position:0% -100%}'
+ ret += '}'
+ ret += '@keyframes blink { '
+ ret += '0%{background-position:0% 0%}'
+ ret += '100%{background-position:0% -100%}'
ret += '}'
- ret += '@keyframes blink {'
- ret += 'to { visibility: hidden; }'
+ ret += '.ann_box {'
+ ret += 'z-index: 5;'
+ ret += 'position: absolute;'
+ ret += 'border: 1px solid rgba(0,0,0,0.1);'
+ ret += 'outline: 1px solid rgba(255,255,255,0.1);' # in case there's a black background
+ ret += '}'
+ ret += '.ann_tag {'
+ ret += 'z-index: 10;'
+ ret += 'position: absolute;'
+ ret += 'font-size: 8px;'
+ ret += 'white-space: pre;'
+ ret += 'background: rgba(255,255,255,0.4);'
+ ret += '-ms-user-select: none;'
+ ret += '-webkit-user-select: none;'
+ ret += '-moz-user-select: none;'
+ ret += 'user-select: none;'
ret += '}'
return ret
-# key codes:
+
+ignore_key_codes =
+ '18': true # alt
+ '20': true # capslock
+ '17': true # ctrl
+ '144': true # numlock
+ '16': true # shift
+ '91': true # windows "start" key
+# key codes: (valid on keydown, not keypress)
KEY_LEFT = 37
KEY_UP = 38
KEY_RIGHT = 39
KEY_PAGE_UP = 33
KEY_PAGE_DOWN = 34
KEY_TAB = 9
-
-ignore_key_codes =
- '18': true # alt
- '20': true # capslock
- '17': true # ctrl
- '144': true # numlock
- '16': true # shift
- '91': true # windows "start" key
control_key_codes = # we react to these, but they aren't typing
'37': KEY_LEFT
'38': KEY_UP
remove = []
for c, i in tree
switch c.type
- when TYPE_TEXT
+ when 'text'
c.el = parent.ownerDocument.createTextNode c.text
parent.appendChild c.el
- when TYPE_TAG
+ when 'tag'
if c.name in ['script', 'object', 'iframe', 'link']
# TODO put placeholders instead
remove.unshift i
+ continue
# TODO create in correct namespace
c.el = parent.ownerDocument.createElement c.name
for k, v of c.attrs
# FIXME if attr_whitelist[k]?
- c.el.setAttribute k, v
+ if valid_attr_regex.test k
+ unless js_attr_regex.test k
+ c.el.setAttribute k, v
parent.appendChild c.el
if c.children.length
instantiate_tree c.children, c.el
return done if done
return done
-find_next_cursor_position = (tree, n, i) ->
- if n.type is TYPE_TEXT and n.text.length > i
- orig_xyh = cursor_to_xyh n, i
- unless orig_xyh?
- console.log "ERROR: couldn't find xy for current cursor location"
- return
- for next_i in [i+1 .. n.text.length] # inclusive is valid (after last char)
- next_xyh = cursor_to_xyh n, next_i
- if next_xyh?
- if next_xyh.x > orig_xyh.x or next_xyh.y > orig_xyh.y
- return [n, next_i]
+first_cursor_position = (tree) ->
+ found = null
+ traverse_tree tree, (node, state) ->
+ if node.type is 'text'
+ cursor = new_cursor_position n: node, i: 0
+ if cursor?
+ found = cursor
+ return true
+ return false
+ return found # maybe null
+
+# this will fail when text has non-locatable cursor positions
+find_next_cursor_position = (tree, cursor) ->
+ if cursor.n.type is 'text' and cursor.n.text.length > cursor.i
+ new_cursor = new_cursor_position n: cursor.n, i: cursor.i + 1
+ if new_cursor?
+ return new_cursor
state_before = true
found = null
traverse_tree tree, (node, state) ->
- if node.type is TYPE_TEXT and state_before is false
- if cursor_to_xyh(node, 0)?
- found = node
+ if node.type is 'text' and state_before is false
+ new_cursor = new_cursor_position n: node, i: 0
+ if new_cursor?
+ found = new_cursor
return true
- if node is n
+ if node is cursor.n
state_before = false
return false
if found?
- return [found, 0]
+ return found
return null
-find_prev_cursor_position = (tree, n, i) ->
- if n? and n.type is TYPE_TEXT and i > 0
- orig_xyh = cursor_to_xyh n, i
- unless orig_xyh?
- console.log "ERROR: couldn't find xy for current cursor location"
- return
- for prev_i in [i-1 .. 0]
- prev_xyh = cursor_to_xyh n, prev_i
- if prev_xyh?
- 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?
+last_cursor_position = (tree) ->
found = null
traverse_tree tree, (node) ->
- if node.type is TYPE_TEXT
- if node is n
- if found_prev?
- found = found_prev
- return true
- found_prev = node
+ if node.type is 'text'
+ cursor = new_cursor_position n: node, i: node.text.length
+ if cursor?
+ found = cursor
return false
- if found?
- if cursor_to_xyh found, found.text.length # text visible?
- return [found, found.text.length]
- return find_prev_cursor_position tree, ret[0], 0
- return null
+ return found # maybe null
-find_loc_cursor_position = (tree, loc) ->
- for c in tree
- if c.type is TYPE_TAG or c.type is TYPE_TEXT
- bounds = get_el_bounds c.el
- continue if loc.x < bounds.x
- continue if loc.x > bounds.x + bounds.w
- continue if loc.y < bounds.y
- continue if loc.y > bounds.y + bounds.h
- if c.children.length
- ret = find_loc_cursor_position c.children, loc
+# this will fail when text has non-locatable cursor positions
+find_prev_cursor_position = (tree, cursor) ->
+ if cursor.n.type is 'text' and cursor.i > 0
+ new_cursor = new_cursor_position n: cursor.n, i: cursor.i - 1
+ if new_cursor?
+ return new_cursor
+ found_prev = null
+ found = null
+ traverse_tree tree, (node) ->
+ if node is cursor.n
+ found = found_prev # maybe null
+ return true
+ if node.type is 'text'
+ new_cursor = new_cursor_position n: node, i: node.text.length
+ if new_cursor?
+ found_prev = new_cursor
+ return false
+ return found # maybe null
+
+xy_to_cursor = (tree, xy) ->
+ for n in tree
+ if n.type is 'tag' or n.type is 'text'
+ bounds = get_el_bounds n.el
+ continue if xy.x < bounds.x
+ continue if xy.x > bounds.x + bounds.w
+ continue if xy.y < bounds.y
+ continue if xy.y > bounds.y + bounds.h
+ if n.children.length
+ ret = xy_to_cursor n.children, xy
return ret if ret?
- if c.type is TYPE_TEXT
+ if n.type is 'text'
# click is within bounding box that contains all text.
- return [c, 0] if c.text.length is 0
- before_i = 0
- before = cursor_to_xyh c, before_i
- unless before?
- console.log "error: failed to find cursor pixel location for start of", c
- return
- after_i = c.text.length
- after = cursor_to_xyh c, after_i
- unless after?
- console.log "error: failed to find cursor pixel location for end of", c
- return
- if loc.y < before.y + before.h and loc.x < before.x
+ if n.text.length is 0
+ ret = new_cursor_position n: n, i: 0
+ return ret if ret?
+ continue
+ before = new_cursor_position n: n, i: 0
+ continue unless before?
+ after = new_cursor_position n: n, i: n.text.length
+ continue unless after?
+ if xy.y < before.y + before.h and xy.x < before.x
# console.log 'before first char on first line'
continue
- if loc.y > after.y and loc.x > after.x
+ if xy.y > after.y and xy.x > after.x
# console.log 'after last char on last line'
continue
- if loc.y < before.y
- console.log "Warning: click in bounding box but above first line"
+ if xy.y < before.y
+ console.log "Warning: click in text bounding box but above first line"
continue # above first line (runaround?)
- if loc.y > after.y + after.h
- console.log "Warning: click in bounding box but below last line", loc.y, after.y, after.h
+ if xy.y > after.y + after.h
+ console.log "Warning: click in text bounding box but below last line", xy.y, after.y, after.h
continue # below last line (shouldn't happen?)
- while after_i - before_i > 1
- cur_i = Math.round((before_i + after_i) / 2)
- cur = cursor_to_xyh c, cur_i
- unless loc?
- console.log "error: failed to find cursor pixel location for", c, cur_i
- return
- if loc.y < cur.y or (loc.y <= cur.y + cur.h and loc.x < cur.x)
- after_i = cur_i
+ while after.i - before.i > 1
+ guess_i = Math.round((before.i + after.i) / 2)
+ cur = new_cursor_position n: n, i: guess_i
+ unless cur?
+ console.log "error: failed to find cursor pixel location for", n, guess_i
+ before = null
+ break
+ if xy.y < cur.y or (xy.y <= cur.y + cur.h and xy.x < cur.x)
after = cur
else
- before_i = cur_i
before = cur
+ continue unless before? # signals failure to find a cursor position
# which one is closest?
- if Math.abs(before.x - loc.x) < Math.abs(after.x - loc.x)
- return [c, before_i]
+ if Math.abs(before.x - xy.x) < Math.abs(after.x - xy.x)
+ return before
else
- return [c, after_i]
+ return after
return null
# browsers collapse these (html5 spec calls these "space characters")
tree_remove_empty_text_nodes = (tree) ->
empties = []
traverse_tree tree, (n) ->
- if n.type is TYPE_TEXT
+ if n.type is 'text'
if n.text.length is 0
empties.unshift n
return false
- console.log empties
for n in empties
# don't completely empty the tree
if tree.length is 1
- if tree[0].type is TYPE_TEXT
+ if tree[0].type is 'text'
console.log "oop, leaving a blank node because it's the only thing"
return
n.el.parentNode.removeChild n.el
- console.log 'removing'
for c, i in n.parent.children
if c is n
n.parent.children.splice i, 1
- console.log 'removed'
break
# pass a array of nodes (from parser library, ie it should have .el and .text)
iterate = (tree, cb) ->
for n in tree
- if n.type is TYPE_TEXT
+ if n.type is 'text'
i = 0
while i < n.text.length # don't foreach, cb might remove chars
advance = cb n, i
if advance
i += 1
- if n.type is TYPE_TAG
+ if n.type is 'tag'
block = is_display_block n.el
if block
cb null
#
# remove it from the dom, and if prev or next moves, put it back.
if prev? and not prev_px?
- prev_px = cursor_to_xyh prev, prev_i
+ prev_px = new_cursor_position n: prev, i: prev_i
if next? and not next_px?
- next_px = cursor_to_xyh next, next_i
+ next_px = new_cursor_position n: next, i: next_i
#if prev is null and next is null
# parent_px = cur.parent.el.getBoundingClientRect()
remove()
if prev?
if prev_px?
- new_prev_px = cursor_to_xyh prev, prev_i
+ new_prev_px = new_cursor_position n: prev, i: prev_i
if new_prev_px.x isnt prev_px.x or new_prev_px.y isnt prev_px.y
return put_it_back()
else
console.log "this shouldn't happen, we remove spaces that don't locate"
if next?
if next_px?
- new_next_px = cursor_to_xyh next, next_i
+ new_next_px = new_cursor_position n: next, i: next_i
if new_next_px.x isnt next_px.x or new_next_px.y isnt next_px.y
return put_it_back()
#else
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 ? {}
@in_el = in_el
- @tree = []
- @inited = false # when iframes have loaded
+ @tree = null
+ @matting = []
+ @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
@iframe = null # iframe to hold editable content
@idoc = null # "document" object for @iframe
@cursor = null
@cursor_el = null
@cursor_visible = false
+ @poll_for_blur_timeout = null
+ @wrap2_offset = null
+ @iframe_height = null
opt_fragment = @options.fragment ? true
@parser_opts = {}
if opt_fragment
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
+ @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: id: 'wrap2', 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
@overlay = domify @outer_idoc, div: id: 'overlay'
@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) =>
- return event_return @onclick e
+ @have_focus()
+ return event_return e, @onclick e
@overlay.ondoubleclick = (e) =>
- return event_return @ondoubleclick e
+ @have_focus()
+ return event_return e, @ondoubleclick e
@outer_idoc.body.onkeyup = (e) =>
- return event_return @onkeyup e
+ @have_focus()
+ return event_return e, @onkeyup e
@outer_idoc.body.onkeydown = (e) =>
- return event_return @onkeydown e
+ @have_focus()
+ return event_return e, @onkeydown e
@outer_idoc.body.onkeypress = (e) =>
- return event_return @onkeypress e
- if @options.stylesheet
- # TODO test this
- @idoc.head.appendChild domify @idoc, style: src: @options.stylesheet
+ @have_focus()
+ return event_return e, @onkeypress e
@load_html @in_el.value
- @inited = true
if @options.on_init?
@options.on_init()
+ overlay_event_to_inner_xy: (e) ->
+ unless @wrap2_offset?
+ @wrap2_offset = get_el_bounds @wrap2
+ x = e.pageX - overlay_padding
+ y = e.pageY - overlay_padding + @wrap2.scrollTop
+ return x: x - @wrap2_offset.x, y: y - @wrap2_offset.y
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
+ xy = @overlay_event_to_inner_xy e
+ new_cursor = xy_to_cursor @tree, xy
if new_cursor?
@move_cursor new_cursor
+ else
+ @kill_cursor()
return false
ondoubleclick: (e) ->
return false
switch e.keyCode
when KEY_LEFT
if @cursor?
- new_cursor = find_prev_cursor_position @tree, @cursor...
- if new_cursor?
- @move_cursor new_cursor
+ new_cursor = find_prev_cursor_position @tree, @cursor
else
- for c in @tree
- new_cursor = find_next_cursor_position @tree, c, -1
- if new_cursor?
- @move_cursor new_cursor
- break
- return false
- when KEY_UP
+ new_cursor = first_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
return false
when KEY_RIGHT
if @cursor?
- new_cursor = find_next_cursor_position @tree, @cursor...
- if new_cursor?
+ new_cursor = find_next_cursor_position @tree, @cursor
+ else
+ new_cursor = last_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ return false
+ when KEY_UP
+ if @cursor?
+ new_cursor = @cursor
+ # go prev until we're higher on y axis
+ while new_cursor.y >= @cursor.y
+ new_cursor = find_prev_cursor_position @tree, new_cursor
+ return false unless new_cursor?
+ # done early if we're already left of old cursor position
+ if new_cursor.x <= @cursor.x
@move_cursor new_cursor
+ return false
+ target_y = new_cursor.y
+ # search leftward, until we find the closest position
+ # new_cursor is the prev-most position we've checked
+ # prev_cursor is the older value, so it's not as prev as new_cursor
+ while new_cursor.x > @cursor.x and new_cursor.y is target_y
+ prev_cursor = new_cursor
+ new_cursor = find_prev_cursor_position @tree, new_cursor
+ break unless new_cursor?
+ # move cursor to prev_cursor or new_cursor
+ if new_cursor?
+ if new_cursor.y is target_y
+ # both valid, and on the same line, use closest
+ if (@cursor.x - new_cursor.x) < (prev_cursor.x - @cursor.x)
+ @move_cursor new_cursor
+ else
+ @move_cursor prev_cursor
+ else
+ # new_cursor on wrong line, use prev_cursor
+ @move_cursor prev_cursor
+ else
+ # can't go any further prev, use prev_cursor
+ @move_cursor prev_cursor
else
- for c in @tree
- new_cursor = find_prev_cursor_position @tree, c, -1
- if new_cursor?
- @move_cursor new_cursor
- break
+ # move cursor to first position in document
+ new_cursor = first_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
return false
when KEY_DOWN
return false
@cursor[0].text = @cursor[0].text.substr(0, @cursor[1] - 1) + @cursor[0].text.substr(@cursor[1])
@cursor[0].el.nodeValue = @cursor[0].text
@move_cursor [@cursor[0], @cursor[1] - 1]
+ @changed()
return false
when KEY_DELETE
return false unless @cursor?
@cursor[0].text = @cursor[0].text.substr(0, @cursor[1]) + @cursor[0].text.substr(@cursor[1] + 1)
@cursor[0].el.nodeValue = @cursor[0].text
@move_cursor [@cursor[0], @cursor[1]]
+ @changed()
return false
when KEY_ENTER
return false
onkeypress: (e) ->
return if e.ctrlKey
return false if ignore_key_codes[e.keyCode]?
- return false if control_key_codes[e.keyCode]? # handled in keydown
+ # return false if control_key_codes[e.keyCode]? # handled in keydown
char = e.charCode ? e.keyCode
if char and @cursor?
char = String.fromCharCode char
tree_dedup_space @tree
@changed()
changed: ->
- # FIXME don't export cursor placeholder (when cursor is between space characters)
@in_el.onchange = null
- @in_el.value = dom_to_html @tree
+ @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
@cursor_visible = false
@cursor = null
+ @annotate null
move_cursor: (cursor) ->
- loc = cursor_to_xyh cursor[0], cursor[1]
- unless loc?
- console.log "error: tried to move cursor to position that has no pixel location", cursor[0], cursor[1]
- return
@cursor = cursor
- # replace cursor, to reset blink animation
- if @cursor_visible
- @cursor_el.parentNode.removeChild @cursor_el
- @cursor_el = domify @outer_idoc, div: id: 'cursor'
- @overlay.appendChild @cursor_el
- @cursor_visible = true
- # TODO figure out x,y coords for cursor
- @cursor_el.style.left = "#{loc.x + overlay_padding - 1}px"
- @cursor_el.style.top = "#{loc.y + overlay_padding}px"
+ unless @cursor_visible
+ @cursor_el = domify @outer_idoc, div: id: 'cursor'
+ @overlay.appendChild @cursor_el
+ @cursor_visible = true
+ @cursor_el.style.left = "#{cursor.x + overlay_padding - 1}px"
+ if cursor.h < 5
+ height = 12
+ else
+ height = cursor.h
+ @cursor_el.style.top = "#{cursor.y + overlay_padding + Math.round(height * .07)}px"
+ @cursor_el.style.height = "#{Math.round height * 0.82}px"
+ @annotate cursor.n
+ annotate: (n) ->
+ while @matting.length > 0
+ @overlay.removeChild @matting[0]
+ @matting.shift()
+ return unless n?
+ prev_bounds = x: 0, y: 0, w: 0, h: 0
+ alpha = 0.1
+ while n?.el?
+ if n.type is 'text'
+ n = n.parent
+ continue
+ bounds = get_el_bounds n.el
+ return unless bounds?
+ if bounds.x is prev_bounds.x and bounds.y is prev_bounds.y and bounds.w is prev_bounds.w and bounds.h is prev_bounds.h
+ n = n.parent
+ continue
+ ann_box = domify @outer_idoc, div: class: 'ann_box', style: "left: #{bounds.x - 1 + overlay_padding}px; top: #{bounds.y - 2 + overlay_padding}px; width: #{bounds.w}px; height: #{bounds.h}px" # outline: 1000px solid rgba(0,153,255,#{alpha});
+ @overlay.appendChild ann_box
+ @matting.push ann_box
+ ann_tag = domify @outer_idoc, div: class: 'ann_tag', style: "left: #{bounds.x + 1 + overlay_padding}px; top: #{bounds.y - 7 + overlay_padding}px", children: [domify @outer_idoc, text: " #{n.name} "]
+ @overlay.appendChild ann_tag
+ @matting.push ann_tag
+ n = n.parent
+ alpha *= 1.5
+ pretty_html: (tree, indent = '', parent_flags = pre_ish: false, block: true, want_nl: false) ->
+ ret = ''
+ want_nl = parent_flags.want_nl
+ prev_in_flow_is_text = false
+ prev_in_flow_is_block = false
+ for n, i in tree
+ # figure out flags
+ inner_flags = want_nl: true
+ is_br = false
+ switch n.type
+ when 'tag'
+ if n.name is 'br'
+ is_br = true
+ is_text = false
+ if n.el.currentStyle?
+ cs = n.el.currentStyle
+ whitespace = cs['white-space']
+ display = cs['display']
+ position = cs['position']
+ float = cs['float']
+ visibility = cs['visibility']
+ else
+ cs = @iframe.contentWindow.getComputedStyle(n.el, null)
+ whitespace = cs.getPropertyValue 'white-space'
+ display = cs.getPropertyValue 'display'
+ position = cs.getPropertyValue 'position'
+ float = cs.getPropertyValue 'float'
+ visibility = cs.getPropertyValue 'visibility'
+ if n.name is 'textarea'
+ inner_flags.pre_ish = true
+ else
+ inner_flags.pre_ish = whitespace.substr(0, 3) is 'pre'
+ switch float
+ when 'left', 'right'
+ in_flow = false
+ else
+ switch position
+ when 'absolute', 'fixed'
+ in_flow = false
+ else
+ if 'display' is 'none'
+ in_flow = false
+ else
+ switch visibility
+ when 'hidden', 'collapse'
+ in_flow = false
+ else # visible
+ in_flow = true
+ switch display
+ when 'inline', 'none'
+ inner_flags.block = false
+ is_block = in_flow_block = false
+ when 'inline-black'
+ inner_flags.block = true
+ is_block = in_flow_block = false
+ else # block, table, etc
+ inner_flags.block = true
+ is_block = true
+ in_flow_block = in_flow
+ when 'text'
+ is_text = true
+ is_block = false
+ in_flow = true
+ in_flow_block = false
+ else # 'comment', 'doctype'
+ is_text = false
+ is_block = false
+ in_flow = false
+ in_flow_block = false
+ # print whitespace if we can
+ unless parent_flags.pre_ish
+ unless prev_in_flow_is_text and is_br
+ if (i is 0 and parent_flags.block) or in_flow_block or prev_in_flow_is_block
+ if want_nl
+ ret += "\n"
+ ret += indent
+ switch n.type
+ when 'tag'
+ ret += '<' + n.name
+ attr_keys = []
+ for k of n.attrs
+ attr_keys.unshift k
+ #attr_keys.sort()
+ for k in attr_keys
+ ret += " #{k}"
+ if n.attrs[k].length > 0
+ ret += "=\"#{enc_attr n.attrs[k]}\""
+ ret += '>'
+ unless void_elements[n.name]?
+ if inner_flags.block
+ next_indent = indent + ' '
+ else
+ next_indent = indent
+ if n.children.length
+ ret += @pretty_html n.children, next_indent, inner_flags
+ ret += "</#{n.name}>"
+ when 'text'
+ ret += enc_text n.text
+ when 'comment'
+ ret += "<!--#{n.text}-->" # TODO encode?
+ when 'doctype'
+ ret += "<!DOCTYPE #{n.name}"
+ if n.public_identifier? and n.public_identifier.length > 0
+ ret += " \"#{n.public_identifier}\""
+ if n.system_identifier? and n.system_identifier.length > 0
+ ret += " \"#{n.system_identifier}\""
+ ret += ">"
+ want_nl = true
+ if in_flow
+ prev_in_flow_is_text = is_text
+ prev_in_flow_is_block = is_block or (in_flow and is_br)
+ if tree.length
+ # output final newline if allowed
+ unless parent_flags.pre_ish
+ if prev_in_flow_is_block or parent_flags.block
+ ret += "\n#{indent.substr 4}"
+ return ret
+ onblur: ->
+ @kill_cursor()
+ have_focus: ->
+ @editor_is_focused = true
+ @poll_for_blur()
+ poll_for_blur: ->
+ return if @poll_for_blur_timeout? # already polling
+ @poll_for_blur_timeout = timeout 150, =>
+ next_frame => # pause polling when browser knows we're not active/visible/etc.
+ @poll_for_blur_timeout = null
+ if document.activeElement is @outer_iframe
+ @poll_for_blur()
+ else
+ @editor_is_focused = false
+ @onblur()
window.peach_html5_editor = (args...) ->
return new PeachHTML5Editor args...
Got questions, comments, patches, etc.? Contact Jason Woofenden