track: true
wbr: true
}
-dom_to_html = (dom) ->
+dom_to_html = (dom, indent = '', parent_is_block = false) ->
ret = ''
- for el in dom
+ for el, i in dom
switch el.type
when TYPE_TAG
+ is_block = is_display_block el.el
+ if is_block or (parent_is_block and i is 0)
+ ret += indent
ret += '<' + el.name
attr_keys = []
for k of el.attrs
if el.attrs[k].length > 0
ret += "=\"#{enc_attr el.attrs[k]}\""
ret += '>'
- unless void_elements[el.name]
+ unless void_elements[el.name]?
+ if is_block
+ next_indent = indent + ' '
+ else
+ next_indent = indent
if el.children.length
- ret += dom_to_html el.children
+ if is_block
+ ret += "\n"
+ ret += dom_to_html el.children, next_indent, is_block
+ if is_block or (parent_is_block and i is dom.length - 1)
+ ret += indent
ret += "</#{el.name}>"
+ if is_block or (parent_is_block and i is dom.length - 1)
+ ret += "\n"
when TYPE_TEXT
+ if parent_is_block and i is 0
+ ret += indent
ret += enc_text el.text
+ if parent_is_block and i is dom.length - 1
+ ret += "\n"
when TYPE_COMMENT
ret += "<!--#{el.text}-->"
when TYPE_DOCTYPE
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
+ done = traverse_tree c.children, cb
+ return done if done
+ return done
+
find_next_cursor_position = (tree, n, i) ->
- if n? and n.type is TYPE_TEXT and n.text.length > 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"
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
+ 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
+ return true
if node is n
- state.before = false
- if found.node?
- return [found.node, 0]
+ state_before = false
+ return false
+ if found?
+ return [found, 0]
return null
-# 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
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) ->
+ found_prev = n?
+ found = null
+ traverse_tree tree, (node) ->
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]
+ if found_prev?
+ found = found_prev
+ return true
+ found_prev = node
+ 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
find_loc_cursor_position = (tree, loc) ->
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 TYPE_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
+ 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)
tree_dedup_space = (tree) ->
prev = cur = next = null
first = true
removed_char = null
+ tree_remove_empty_text_nodes(tree)
+
iterate = (tree, cb) ->
for n in tree
if n.type is TYPE_TEXT
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
# pass null at start/end of display:block
queue = (n, i) ->
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