+ if @options.on_init?
+ @options.on_init()
+ generate_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
+ 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 += 'color: black;'
+ ret += 'background: white;'
+ 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;"
+ @wrap2_height = h # including padding because padding scrolls
+ 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 += 'width: 2px;'
+ 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 += '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 += '.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
+ 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) ->
+ 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
+ onkeyup: (e) ->
+ return if e.ctrlKey
+ return false if ignore_key_codes[e.keyCode]?
+ #return false if control_key_codes[e.keyCode]?
+ onkeydown: (e) ->
+ return if e.ctrlKey
+ return false if ignore_key_codes[e.keyCode]?
+ #return false if control_key_codes[e.keyCode]?
+ switch e.keyCode
+ when KEY_LEFT
+ if @cursor?
+ new_cursor = find_prev_cursor_position @tree, @cursor
+ else
+ 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
+ else
+ new_cursor = last_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ return false
+ when KEY_UP
+ if @cursor?
+ new_cursor = find_up_cursor_position @tree, @cursor, @cursor_ideal_x
+ if new_cursor?
+ saved_ideal_x = @cursor_ideal_x
+ @move_cursor new_cursor
+ @cursor_ideal_x = saved_ideal_x
+ else
+ # 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
+ if @cursor?
+ new_cursor = find_down_cursor_position @tree, @cursor, @cursor_ideal_x
+ if new_cursor?
+ saved_ideal_x = @cursor_ideal_x
+ @move_cursor new_cursor
+ @cursor_ideal_x = saved_ideal_x
+ else
+ # move cursor to first position in document
+ new_cursor = last_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ return false
+ when KEY_END
+ new_cursor = last_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ return false
+ when KEY_BACKSPACE
+ @on_key_backspace e
+ return false
+ when KEY_DELETE
+ return false unless @cursor?
+ return false unless @cursor.i < @cursor.n.text.length
+ @remove_character @cursor.n, @cursor.i
+ @adjust_whitespace_style @cursor.n
+ @changed()
+ new_cursor = new_cursor_position n: @cursor.n, i: @cursor.i
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor()
+ return false
+ when KEY_ENTER
+ @on_key_enter e
+ return false
+ when KEY_ESCAPE
+ @kill_cursor()
+ return false
+ when KEY_HOME
+ new_cursor = first_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ return false
+ when KEY_INSERT
+ return false
+ when KEY_PAGE_UP
+ return false
+ when KEY_PAGE_DOWN
+ return false
+ when KEY_TAB
+ return false
+ onkeypress: (e) ->
+ return if e.ctrlKey
+ return false if ignore_key_codes[e.keyCode]?
+ char = e.charCode ? e.keyCode
+ if char and @cursor?
+ char = String.fromCharCode char
+ @insert_character @cursor.n, @cursor.i, char
+ @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
+ console.log "ERROR: couldn't find cursor position after insert"
+ @kill_cursor()
+ return false
+ on_key_enter: (e) -> # enter key pressed
+ return unless @cursor_visible
+ cur_block = @cursor.n
+ loop
+ if cur_block.type is 'tag'
+ if is_display_block cur_block.el
+ break
+ return unless cur_block.parent?
+ cur_block = cur_block.parent
+ # find array to insert new element into
+ if cur_block.parent is @tree_parent # top-level
+ parent_el = @idoc.body
+ pc = @tree
+ else
+ parent_el = cur_block.parent.el
+ pc = cur_block.parent.children
+ # find index of current block in its parent
+ for n, i in pc
+ break if n is cur_block
+ i += 1 # we want to be after it
+ if i < pc.length
+ before = pc[i].el
+ else
+ before = null
+ # TODO if content after cursor
+ # TODO new block is empty
+ new_text = new peach_parser.Node 'text', text: ' '
+ new_node = new peach_parser.Node 'tag', name: 'p', parent: cur_block.parent, attrs: {style: 'white-space: pre-wrap'}, children: [new_text]
+ new_text.parent = new_node
+ new_text.el = domify @idoc, text: ' '
+ new_node.el = domify @idoc, p: style: 'white-space: pre-wrap', children: [new_text.el]
+ pc.splice i, 0, new_node
+ parent_el.insertBefore new_node.el, before
+ @changed()
+ new_cursor = new_cursor_position n: new_text, i: 0
+ throw 'bork bork' unless new_cursor?
+ @move_cursor new_cursor
+ # TODO move content past cursor into this new block
+ on_key_backspace: (e) ->
+ return false unless @cursor?
+ if @is_lone_space @cursor.n # false if it's not in a tag
+ if @cursor.i is 1
+ # don't delete the space, because then it would collapse
+ # instead leave a space after the cursor
+ new_cursor = new_cursor_position n: @cursor.n, i: 0
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor()
+ else
+ parent = @cursor.n.parent
+ new_cursor = find_prev_cursor_position @tree, @cursor
+ if new_cursor?
+ if new_cursor.n is @cursor.n or new_cursor.n is parent
+ new_cursor = null
+ tag = @cursor.n.parent
+ if tag is @tree_parent
+ console.log "top-level text not supported" # FIXME
+ return false
+ for n, i in tag.parent.children
+ if n is tag
+ tag.parent.el.removeChild tag.el
+ tag.parent.children.splice i, 1
+ break
+ @changed()
+ if new_cursor?
+ # re-check, in case it moved or is invalid now
+ new_cursor = new_cursor_position n: new_cursor.n, i: new_cursor.i
+ if new_cursor?
+ @move_cursor new_cursor
+ return
+ new_cursor = first_cursor_position @tree
+ if new_cursor?
+ @move_cursor new_cursor
+ else
+ @kill_cursor
+ return
+ else if @cursor.i is 0
+ console.log 'unimplemented: backspace at start of non-empty tag'
+ # TODO if block, merge parent into prev
+ # TODO if inline, delete char from prev text node
+ return false
+ else
+ # TODO handle case of removing last char
+ # CONTINUE
+ if @is_only_char_in_tag @cursor.n
+ if is_display_block @cursor.n.parent.el
+ @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
+ clear_dom: -> # remove all the editable content (and cursor, overlays, etc)