X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=editor.coffee;h=9f6d8eb34473d0b762c37e059887afa244d57378;hb=e63123d22c65f954f27b830f149c1a1500ba0c97;hp=45e5f364ddd629b391711d540491769f4a5cbc25;hpb=01d1661cb1c3d11720ddbf1337b0b51d83152fdc;p=peach-html5-editor.git
diff --git a/editor.coffee b/editor.coffee
index 45e5f36..9f6d8eb 100644
--- a/editor.coffee
+++ b/editor.coffee
@@ -16,11 +16,58 @@
# SETTINGS
overlay_padding = 10
+breathing_room = 30 # minimum pixels above/below cursor
-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
+
+# table too look up the properties of various values for css's white-space
+ws_props =
+ normal:
+ space: false # spaces are not preserved/rendered
+ newline: false # newlines are not preserved/rendered
+ wrap: true # text is word-wrapped
+ to_preserve: 'pre-wrap' # to preservespaces, change white-space to this
+ nowrap:
+ space: false
+ newline: false
+ wrap: false
+ to_preserve: 'pre'
+ 'pre-line':
+ space: false
+ newline: true
+ wrap: true
+ to_preserve: 'pre-wrap'
+ pre:
+ space: true
+ newline: true
+ wrap: false
+ 'pre-wrap':
+ space: true
+ newline: true
+ wrap: true
+
+# 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
@@ -31,7 +78,7 @@ debug_dot_at = (doc, x, y) ->
# 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
@@ -75,7 +122,13 @@ text_range_bounds = (el, start, end) ->
range.setEnd el, end
rects = range.getClientRects()
if rects.length > 0
- rect = rects[0]
+ if rects.length > 1
+ if rects[1].width > rects[0].width
+ rect = rects[1]
+ else
+ rect = rects[0]
+ else
+ rect = rects[0]
else
return null
doc = el.ownerDocument.documentElement
@@ -91,22 +144,42 @@ text_range_bounds = (el, start, end) ->
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'
@@ -139,37 +212,16 @@ void_elements = {
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 += ""
- when TYPE_DOCTYPE
- ret += " 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
@@ -184,80 +236,16 @@ domify = (doc, hash) ->
el.setAttribute k, v
return el
-outer_css = (args) ->
- w = args.w ? 300
- h = args.h ? 300
- inner_padding = args.inner_padding ? overlay_padding
- frame_width = args.frame_width ? inner_padding
- # TODO editor controls height...
- 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: #{occupy 1}px solid black;"
- ret += "padding: #{occupy frame_width}px;"
- ret += '}'
- ret += '#wrap2 {'
- 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 += 'margin: 0;'
- ret += 'border: none;'
- ret += 'padding: 0;'
- ret += "width: #{w}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;'
- ret += "left: -#{inner_padding}px;"
- ret += "top: -#{inner_padding}px;"
- ret += "right: -#{inner_padding}px;"
- ret += "bottom: -#{inner_padding}px;"
- ret += 'overflow: hidden;'
- ret += '}'
- ret += '.lightbox {'
- ret += 'position: absolute;'
- ret += 'background: rgba(100,100,100,0.2);'
- 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 += '}'
- ret += '@-webkit-keyframes blink {'
- ret += 'to { visibility: hidden; }'
- ret += '}'
- ret += '@keyframes blink {'
- ret += 'to { visibility: hidden; }'
- 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
@@ -272,14 +260,6 @@ KEY_INSERT = 45
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
@@ -300,136 +280,213 @@ instantiate_tree = (tree, parent) ->
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
for i in remove
tree.splice i, 1
-traverse_tree = (tree, state, cb) ->
+traverse_tree = (tree, cb) ->
+ done = false
for c in tree
- cb c, state
- break if state.done?
+ done = cb c
+ return done if done
if c.children.length
- traverse_tree c.children, state, cb
- break if state.done?
- return state
-# find the next element in tree (and decendants) that is after n and can contain text
-# TODO make it so cursor can go places that don't have text but could
-find_next_cursor_position = (tree, n, i) ->
- if n? and 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]
- found = traverse_tree tree, before: n?, (node, state) ->
- if node.type is TYPE_TEXT and state.before is false
- state.node = node
- state.done = true
- if node is n
- state.before = false
- if found.node?
- return [found.node, 0]
- return null
+ done = traverse_tree c.children, cb
+ return done if done
+ return done
-# TODO make it so cursor can go places that don't have text but could
-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 = traverse_tree tree, before: n?, (node, state) ->
- if node.type is TYPE_TEXT
- unless n?
- state.node = node
- state.done = true
- if node is n
- if state.prev?
- state.node = state.prev
- state.done = true
- if node
- state.prev = node
- if found.node?
- return [found.node, found.node.text.length]
+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 '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 cursor.n
+ state_before = false
+ return false
+ if found?
+ return found
return 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
+last_cursor_position = (tree) ->
+ found = null
+ traverse_tree tree, (node) ->
+ if node.type is 'text'
+ cursor = new_cursor_position n: node, i: node.text.length
+ if cursor?
+ found = cursor
+ return false
+ return found # maybe null
+
+# 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
+
+find_up_cursor_position = (tree, cursor, ideal_x) ->
+ 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 null unless new_cursor?
+ # done early if we're already left of old cursor position
+ if new_cursor.x <= ideal_x
+ return new_cursor
+ 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 > ideal_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 (ideal_x - new_cursor.x) < (prev_cursor.x - ideal_x)
+ return new_cursor
+ else
+ return prev_cursor
+ else
+ # new_cursor on wrong line, use prev_cursor
+ return prev_cursor
+ else
+ # can't go any further prev, use prev_cursor
+ return prev_cursor
+
+find_down_cursor_position = (tree, cursor, ideal_x) ->
+ new_cursor = cursor
+ # go next until we move on the y axis
+ while new_cursor.y <= cursor.y
+ new_cursor = find_next_cursor_position tree, new_cursor
+ return null unless new_cursor?
+ # done early if we're already right of old cursor position
+ if new_cursor.x >= ideal_x
+ # this would be strange, but could happen due to runaround
+ return new_cursor
+ target_y = new_cursor.y
+ # search rightward, until we find the closest position
+ # new_cursor is the next-most position we've checked
+ # prev_cursor is the older value, so it's not as next as new_cursor
+ while new_cursor.x < ideal_x and new_cursor.y is target_y
+ prev_cursor = new_cursor
+ new_cursor = find_next_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 (new_cursor.x - ideal_x) < (ideal_x - prev_cursor.x)
+ return new_cursor
+ else
+ return prev_cursor
+ else
+ # new_cursor on wrong line, use prev_cursor
+ return prev_cursor
+ else
+ # can't go any further prev, use prev_cursor
+ return prev_cursor
+
+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")
@@ -441,6 +498,25 @@ is_space_code = (char_code) ->
is_space = (chr) ->
return is_space_code chr.charCodeAt 0
+tree_remove_empty_text_nodes = (tree) ->
+ empties = []
+ traverse_tree tree, (n) ->
+ if n.type is 'text'
+ if n.text.length is 0
+ empties.unshift n
+ return false
+ for n in empties
+ # don't completely empty the tree
+ if tree.length is 1
+ 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
+ for c, i in n.parent.children
+ if c is n
+ n.parent.children.splice i, 1
+ break
+
# pass a array of nodes (from parser library, ie it should have .el and .text)
tree_dedup_space = (tree) ->
prev = cur = next = null
@@ -450,15 +526,17 @@ tree_dedup_space = (tree) ->
first = true
removed_char = null
+ tree_remove_empty_text_nodes(tree)
+
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
@@ -467,25 +545,46 @@ tree_dedup_space = (tree) ->
if block
cb null
# remove cur char
- remove = ->
- removed_char = cur.text.charAt(cur_i)
- cur.el.textContent = cur.text = (cur.text.substr 0, cur_i) + (cur.text.substr cur_i + 1)
- if next is cur # in same text node
- if next_i is 0
- throw "how is this possible?"
- next_i -= 1
- return true
- # undo remove()
- put_it_back = ->
- cur.el.textContent = cur.text = (cur.text.substr 0, cur_i) + removed_char + (cur.text.substr cur_i)
- if next is cur # in same text node
- next_i += 1
- return false
+ remove = (undo) ->
+ if undo
+ cur.el.textContent = cur.text = (cur.text.substr 0, cur_i) + removed_char + (cur.text.substr cur_i)
+ if next is cur # in same text node
+ next_i += 1
+ return -1
+ else
+ removed_char = cur.text.charAt(cur_i)
+ cur.el.textContent = cur.text = (cur.text.substr 0, cur_i) + (cur.text.substr cur_i + 1)
+ if next is cur # in same text node
+ if next_i is 0
+ throw "how is this possible?"
+ next_i -= 1
+ return 1
+ replace_with_space = (undo) ->
+ if undo
+ cur.text = (cur.text.substr 0, cur_i) + removed_char + (cur.text.substr cur_i + 1)
+ cur.el.textContent = cur.text
+ else
+ removed_char = cur.text.charAt(cur_i)
+ if removed_char isnt ' '
+ cur.text = (cur.text.substr 0, cur_i) + ' ' + (cur.text.substr cur_i + 1)
+ cur.el.textContent = cur.text
+ return 0
# return true if cur was removed from the dom (ie re-use same prev)
operate = ->
# cur definitately set
# prev and/or next might be null, indicating the start/end of a display:block
return false unless is_space_code cur.text.charCodeAt cur_i
+ fixers = [remove, replace_with_space]
+ # check for common case: single whitespace surrounded by non-whitespace chars
+ if prev? and next?
+ unless (is_space_code prev.text.charCodeAt prev_i) or (is_space_code next.text.charCodeAt next_i)
+ dbg = cur.text.charCodeAt cur_i
+ if cur.text.charAt(cur_i) is ' ' # perens required
+ # single space can't collapse, doesn't need fixin'
+ return false
+ else
+ # tab, newline, etc, can't collapse, but maybe should be replaced
+ fixers = [replace_with_space]
bounds = text_range_bounds cur.el, cur_i, cur_i + 1
# consistent cases:
# 1. zero rects returned by getClientRects() means collapsed space
@@ -493,7 +592,8 @@ tree_dedup_space = (tree) ->
return remove()
# 2. width greater than zero means visible space
if bounds.w > 0
- return false
+ # has bounds, don't try removing
+ fixers = [replace_with_space]
# now the weird edge cases...
#
# firefox and chromium both report zero width for characters at the end
@@ -502,36 +602,49 @@ tree_dedup_space = (tree) ->
# collapsed spaces via the range/bounds api, so...
#
# remove it from the dom, and if prev or next moves, put it back.
+ #
+ # this block (try changing it, put it back if something moves) is also
+ # used on collapsable whitespace characters besides space. In this case
+ # the character is replaced with a normal space character instead of
+ # removed
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
- 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
- if new_next_px.x isnt next_px.x or new_next_px.y isnt next_px.y
- return put_it_back()
- #else
- # console.log "removing space becase space after it is collapsed"
- # if there's no prev or next (single space inside a block-level element?) check
- # TODO scrapt this, or fix it so it works when there's no parent
- # if prev is null and next is null
- # new_parent_px = cur.parent.el.getBoundingClientRect()
- # if new_parent_px.left isnt parent_px.left or new_parent_px.top isnt parent_px.top or new_parent_px.right isnt parent_px.right or new_parent_px.bottom isnt parent_px.bottom
- # console.log "WEIRD: parent moved"
- # return put_it_back()
- # we didn't put it back
- return true
+ undo_arg = true # just for readabality
+ removed = 0
+ for fixer in fixers
+ break if removed > 0
+ removed += fixer()
+ need_undo = false
+ if prev?
+ if prev_px?
+ new_prev_px = new_cursor_position n: prev, i: prev_i
+ if new_prev_px?
+ if new_prev_px.x isnt prev_px.x or new_prev_px.y isnt prev_px.y
+ need_undo = true
+ else
+ need_undo = true
+ else
+ console.log "this shouldn't happen, we remove spaces that don't locate"
+ if next? and not need_undo
+ if next_px?
+ new_next_px = new_cursor_position n: next, i: next_i
+ if new_next_px?
+ if new_next_px.x isnt next_px.x or new_next_px.y isnt next_px.y
+ need_undo = true
+ else
+ need_undo = true
+ #else
+ # console.log "removing space becase space after it is collapsed"
+ if need_undo
+ removed += fixer undo_arg
+ if removed > 0
+ return true
+ else
+ return false
# pass null at start/end of display:block
queue = (n, i) ->
next = n
@@ -559,22 +672,32 @@ tree_dedup_space = (tree) ->
iterate tree, queue
queue null
+ tree_remove_empty_text_nodes(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 ? {}
@in_el = in_el
- @tree = []
- @inited = false # when iframes have loaded
+ @tree = null # array of Nodes, all editable content
+ @tree_parent = null # @tree is this.children. .el might === @idoc.body
+ @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
+ @wrap2_offset = null
+ @wrap2_height = null # including padding
@iframe = null # iframe to hold editable content
@idoc = null # "document" object for @iframe
@cursor = null
@cursor_el = null
@cursor_visible = false
+ @cursor_ideal_x = null
+ @poll_for_blur_timeout = null
opt_fragment = @options.fragment ? true
@parser_opts = {}
if opt_fragment
@@ -590,13 +713,15 @@ 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
+ @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'
@@ -613,33 +738,149 @@ class PeachHTML5Editor
outer_bounds.h = 300
outer_iframe_style += "width: #{outer_bounds.w}px; height: #{outer_bounds.h}px;"
@outer_iframe.setAttribute 'style', outer_iframe_style
- css = outer_css w: outer_bounds.w, h: outer_bounds.h
+ css = @generate_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
even if it's near a inline tag boundary
+ # determine if cursor is at start of text run (text formatted inline)
+ block = @find_block_parent @cursor.n
+ return unless block
+ at_block_start = true
+ prev_pos = find_prev_cursor_position @tree, @cursor
+ unless prev_pos?
+ # if the cursor can't go back, then there's probably nowhere we can merge into
+ # TODO consider case of nested blocks. should backspace remove one?
+ return
+ prev_pos_block = @find_block_parent prev_pos.n
+ if prev_pos_block is block
+ # context: there is text before the cursor within the same block.
+ # FIXME clean up this hack for looking for
(see above)
+ cursor_text_pi = @cursor.n.parent.children.indexOf @cursor.n
+ if cursor_text_pi > 0
+ prev_node = @cursor.n.parent.children[cursor_text_pi - 1]
+ if prev_node.type is 'tag' and prev_node.name is 'br'
+ @remove_node prev_node
+ @text_cleanup @cursor.n.parent
+ @changed()
+ new_cursor = new_cursor_position n: prev_pos.n, i: prev_pos.i
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor
+ return
+ # note: find_prev_cursor_position just crossed a boundary, not a character
+ # prev_pos is within the same block, try deleting there
+ @move_cursor prev_pos
+ # FIXME cleanup: don't call @move_cursor twice if the next line succeeds
+ return @on_key_backspace()
+ # context: backspace pressed at start of a display:block
+ return if block is @tree_parent # top level text
+ parent = block.parent
+ parent_i = parent.children.indexOf block
+ if parent_i is -1
+ throw "BUG #98270918347"
+ return
+ if parent_i is 0
+ # no previous sibling to merge into, so instead move contents into parent
+ dest = parent
+ before = block
+ else
+ # FIXME prev_sib should be the previous in-flow element
+ # ie it should skip comments, hidden things, floating things, etc.
+ prev_sib = parent.children[parent_i - 1]
+ if @is_display_block prev_sib
+ dest = prev_sib
+ before = null # null means append
+ else
+ dest = parent
+ before = block
+ if dest is @tree_parent
+ # don't remove outer-most blocks
+ return
+ while block.children.length > 0
+ n = block.children[block.children.length - 1]
+ @move_node n, dest, before
+ block.children.pop()
+ before = n
+ @remove_node block
+ @text_cleanup dest
+ @changed()
+ new_cursor = new_cursor_position n: prev_pos.n, i: prev_pos.i
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor
+ return
+ else
+ # TODO handle case of removing last char
+ # CONTINUE
+ if @is_only_char_in_tag @cursor.n
+ if @is_display_block @cursor.n.parent
+ @cursor.n.el.textContent = @cursor.n.text = ' '
+ else
+ console.log "unimplemented: delete last char in inline" # FIXME
+ return
+ else
+ @remove_character @cursor.n, @cursor.i - 1
+ @adjust_whitespace_style @cursor.n
+ @changed()
+ new_cursor = new_cursor_position n: @cursor.n, i: @cursor.i - 1
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor()
+ return
+ on_page_up_key: (e) ->
+ if @wrap2.scrollTop is 0
+ return unless @cursor?
+ new_cursor = first_cursor_position @tree
+ if new_cursor?
+ if new_cursor.n isnt @cursor.n or new_cursor.i isnt @cursor.i
+ @move_cursor new_cursor
+ return
+ if @cursor?
+ screen_y = @cursor.y - @wrap2.scrollTop
+ scroll_amount = @wrap2_height - breathing_room
+ @wrap2.scrollTop = Math.max 0, @wrap2.scrollTop - scroll_amount
+ if @cursor?
+ @move_cursor_into_view screen_y + @wrap2.scrollTop
+ on_page_down_key: (e) ->
+ lowest_scrollpos = @wrap2.scrollHeight - @wrap2_height
+ if @wrap2.scrollTop is lowest_scrollpos
+ return unless @cursor?
+ new_cursor = last_cursor_position @tree
+ if new_cursor?
+ if new_cursor.n isnt @cursor.n or new_cursor.i isnt @cursor.i
+ @move_cursor new_cursor
+ return
+ if @cursor?
+ screen_y = @cursor.y - @wrap2.scrollTop
+ scroll_amount = @wrap2_height - breathing_room
+ @wrap2.scrollTop = Math.min lowest_scrollpos, @wrap2.scrollTop + scroll_amount
+ if @cursor?
+ @move_cursor_into_view screen_y + @wrap2.scrollTop
+ return
+ move_cursor_into_view: (y_target) ->
+ return if y_target is @cursor.y
+ was = @cursor
+ y_min = @wrap2.scrollTop
+ unless @wrap2.scrollTop is 0
+ y_min += breathing_room
+ y_max = @wrap2.scrollTop + @wrap2_height
+ unless @wrap2.scrollTop is @wrap2.scrollHeight - @wrap2_height # downmost
+ y_max -= breathing_room
+ y_target = Math.min y_target, y_max
+ y_target = Math.max y_target, y_min
+ if y_target < @cursor.y
+ finder = find_up_cursor_position
+ far_enough = (cur, target_y) ->
+ return cur.y + cur.h <= target_y
+ else
+ finder = find_down_cursor_position
+ far_enough = (cur, y_target) ->
+ return cur.y >= y_target
+ loop
+ cur = finder @tree, was, @cursor_ideal_x
+ break unless cur?
+ break if far_enough cur, y_target
+ was = cur
+ if was is @cursor
+ was = null
+ if was?
+ if was.y + was.h > y_max
+ was = null
+ else if was.y < y_min
+ was = null
+ if cur?
+ if cur.y + cur.h > y_max
+ cur = null
+ else if cur.y < y_min
+ cur = null
+ if cur? and was?
+ # both valid, pick best
+ if cur.y < y_min
+ new_cursor = was
+ else if was.y + was.h > y_max
+ new_cursor = cur
+ else if cur.y - y_target < y_target - was.y
+ new_cursor = cur
+ else
+ new_cursor = was
+ else
+ new_cursor = was ? cur
+ if new_cursor?
+ saved_ideal_x = @cursor_ideal_x
+ @move_cursor new_cursor
+ @cursor_ideal_x = saved_ideal_x
+ return
clear_dom: -> # remove all the editable content (and cursor, overlays, etc)
while @idoc.body.childNodes.length
@idoc.body.removeChild @idoc.body.childNodes[0]
@@ -737,38 +1263,388 @@ class PeachHTML5Editor
return
load_html: (html) ->
@tree = peach_parser.parse html, @parser_opts
+ if !@tree[0]?.parent
+ @tree = peach_parser.parse '
', @parser_opts + @tree_parent = @tree[0]?.parent + @tree_parent.el = @idoc.body @clear_dom() - instantiate_tree @tree, @idoc.body + instantiate_tree @tree, @tree_parent.el 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: -> + s = @wrap2.scrollTop + # when the content gets shorter, the idoc's body tag will continue to + # report the old (too big) height in Chrome. The workaround is to + # shrink the iframe before the content height: + @iframe.style.height = "10px" + h = parseInt(@idoc.body.scrollHeight, 10) + @iframe.style.height = "#{h}px" + @wrap2.scrollTop = s + # does this node have whitespace that would be collapsed by white-space: normal? + # note: this checks direct text children, and does _not_ recurse into child tags + # tag is a node with type:"tag" + # FIXME use new textrun api + has_collapsable_space: (tag) -> + for n in tag.children + if n.type is 'text' + for i in [0...n.text.length] + code = n.text.charCodeAt i + if code isnt 32 and is_space_code code + # tab, return + return true + # check for double spaces that don't surround insert location + continue if i is 0 + if n.text.substr(i - 1, 2) is ' ' + return true + if n.text.length > 0 + if is_space_code n.text.charCodeAt 0 + return true + if is_space_code n.text.charCodeAt n.text.length - 1 + return true + return false + # add/remove "white-space: pre[-wrap]" to/from style="" on tags with direct + # child text nodes with multiple spaces in a row, or spaces at the + # start/end. + # + # text inside child tags are not consulted. Child tags are expected to have + # this function applied to them when their content changes. + adjust_whitespace_style: (n) -> + loop + break if @is_display_block n + n = n.parent + return unless n? + return if n is @tree_parent + # which css rule should be used to preserve spaces (should we need to) + style = @iframe.contentWindow.getComputedStyle n.el, null + ws = style.getPropertyValue 'white-space' + if ws_props[ws].space + preserve_rule = ws + else + preserve_rule = ws_props[ws].to_preserve + preserve_rule = "white-space: #{preserve_rule}" + if @has_collapsable_space n + # make sure preserve_rule exists + if n.el.style['white-space'] + # FIXME check that it matches + return + if n.attrs[style]? + n.attrs.style += "; #{preserve_rule}" + else + n.attrs.style = preserve_rule + n.el.setAttribute 'style', n.attrs.style + else + # remove preserve_rule if it exists + return unless n.attrs.style? + # FIXME don't assume whitespace is just so + if n.attrs.style is "white-space: #{ws}" + delete n.attrs.style + n.el.removeAttribute 'style' + else + # FIXME find it in the middle and at the start + needle = "; white-space: #{ws}" + if needle is n.attrs.style.substr n.attrs.style.length - needle + n.attrs.style = n.attrs.style.substr 0, n.attrs.style.length - needle + n.el.setAttribute n.attrs.style + # true if n is text node with only one caracter, and the only child of a tag + is_only_char_in_tag: (n, i) -> + return false unless n.type is 'text' + return false unless n.text.length is 1 + return false if n.parent is @tree_parent + return false unless n.parent.children.length is 1 + return true + # true if n is text node with just a space in it, and the only child of a tag + is_lone_space: (n, i) -> + return false unless n.type is 'text' + return false unless n.text is ' ' + return false if n.parent is @tree_parent + return false unless n.parent.children.length is 1 + return true + # detect special case: typing before a space that's the only thing in a block/doc + # reason: enter key creates blocks with just a space in them + insert_should_replace: (n, i) -> + return false unless i is 0 + return false unless n.text is ' ' + return true if n.parent is @tree_parent + if n.parent.children.length is 1 + if n.parent.children[0] is n + # n is only child + return true + return false + # after calling this, you MUST call changed() and adjust_whitespace_style() + insert_character: (n, i, char) -> + return if @cursor.n.parent is @tree_parent # FIXME implement text nodes at top level + parent = @cursor.n.parent + # insert the character + if @insert_should_replace n, i + n.text = char + else if i is 0 + n.text = char + n.text + else if i is n.text.length + # replace the space + n.text += char + else + n.text = + n.text.substr(0, i) + + char + + n.text.substr(i) + n.el.nodeValue = n.text + # WARNING: after calling this, you MUST call changed() and adjust_whitespace_style() + remove_character: (n, i) -> + n.text = n.text.substr(0, i) + n.text.substr(i + 1) + n.el.nodeValue = n.text + # call this after you insert or remove inline nodes. It will: + # merge consecutive text nodes + # remove empty text nodes + # adjust white-space property + text_cleanup: (n) -> + return + # FIXME implement this + # WARNING: after calling this one or more times, you MUST: + # if it's inline: call @text_cleanup + # call @changed() + remove_node: (n) -> + i = n.parent.children.indexOf n + if i is -1 + throw "BUG #9187112313" + n.el.parentNode.removeChild n.el + n.parent.children.splice i, 1 + return + # remove a node from the tree/dom, insert into new_parent before insert_before?end + # WARNING: after calling this one or more times, you MUST: + # if it's inline: call @text_cleanup + # call @changed() + move_node: (n, new_parent, insert_before = null) -> + i = n.parent.children.indexOf n + if i is -1 + throw "Error: tried to remove node, but it's not in it's parents list of children" + return + if insert_before? + before_i = new_parent.children.indexOf insert_before + if i is -1 + throw "Error: tried to move a node to be before a non-existent node" + insert_before = insert_before.el + @remove_node n + if insert_before? + new_parent.el.insertBefore n.el, insert_before + new_parent.children.splice before_i, 0, n + else + new_parent.el.appendChild n.el, insert_before + new_parent.children.push n + n.parent = new_parent + return kill_cursor: -> # remove it, forget where it was if @cursor_visible @cursor_el.parentNode.removeChild @cursor_el @cursor_visible = false @cursor = null + @annotate null + return 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_ideal_x = cursor.x @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 + @scroll_into_view cursor.y, height + return + scroll_into_view: (y, h = 0) -> + y += overlay_padding # convert units from @idoc to @wrap2 + # very top of document + if y <= breathing_room + @wrap2.scrollTop = 0 + return + # very bottom of document + if y + h >= @wrap2.scrollHeight - breathing_room + @wrap2.scrollTop = @wrap2.scrollHeight - @wrap2_height + return + # The most scrolled up (lowest value for scrollTop) that would be OK + upmost = y + h + breathing_room - @wrap2_height + upmost = Math.max(upmost, 0) + # the most scrolled down (highest value for scrollTop) that would be OK + downmost = y - breathing_room + downmost = Math.min(downmost, @wrap2.scrollHeight - @wrap2_height) + if upmost > downmost # means h is too big to fit + # scroll so top is visible + @wrap2.scrollTop = downmost + return + if @wrap2.scrollTop < upmost + @wrap2.scrollTop = upmost + return + if @wrap2.scrollTop > downmost + @wrap2.scrollTop = downmost + return + return + 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? and n isnt @tree_parent + 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 += "" # TODO encode? + when 'doctype' + ret += " 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...