mouse = x: 0, y: 0, buttons: [0,0,0]
class Tool
- constructor: (name) ->
- @name = name
+ constructor: (args) ->
+ @button = args.button
+ if @button?
+ @button.addClass 'disabled'
+ @tool_options = args.tool_options
click: (x, y) ->
- button_click: (button) ->
mousemove: (x, y) ->
keydown: (keycode) ->
disable: ->
+ if @button?
+ @button.removeClass 'disabled'
+ @tool_options.empty()
class TutorialTool extends Tool
- constructor: (toolbar) ->
- super 'tutorial'
+ constructor: (args) ->
+ super args
@paths = []
choose = [
[[219,34],[53,141],[96,143],[92,255],[365,257],[362,145],[407,144,'z']],
svg.appendChild path.element
@paths.push path
@tip = $ "<span> </span>"
- toolbar.append @tip
+ @tool_options.append @tip
disable: ->
- @tip.remove()
+ super()
for p in @paths
svg.removeChild p.element
class DrawTool extends Tool
- constructor: (toolbar) ->
- super 'draw'
+ constructor: (args) ->
+ super args
+ @tool_options.append $ "<span>Draw tool helpers:</span>"
@stop_button = $ '<span class="button" title="keyboard shortcut: space">finish line</span>'
@stop_close_button = $ '<span class="button" title="keyboard shortcut: O">close (loop)</span>'
@cancel_button = $ '<span class="button" title="keyboard shortcut: Esc">cancel line</span>'
- toolbar.append @stop_button
- toolbar.append @stop_close_button
- toolbar.append @cancel_button
+ @tool_options.append @stop_button
+ @tool_options.append @stop_close_button
+ @tool_options.append @cancel_button
@stop_button.click @stop_drawing.bind @
@stop_close_button.click @stop_close_drawing.bind @
@cancel_button.click @cancel_drawing.bind @
+ @update_helper_buttons()
click: (x, y) ->
if selection? and not selection.drawing?
selection = null
svg.appendChild path
selection.data.push [x, y]
update_path selection
- button_click: (button) ->
- if @[button]
- return @[button]()
+ @update_helper_buttons()
+ update_helper_buttons: ->
+ if selection?.drawing? and selection?.data.length > 0
+ @cancel_button.removeClass 'disabled'
+ else
+ @cancel_button.addClass 'disabled'
+ if selection?.drawing? and selection?.data.length > 1
+ @stop_button.removeClass 'disabled'
+ else
+ @stop_button.addClass 'disabled'
+ if selection?.drawing? and selection?.data.length > 2
+ @stop_close_button.removeClass 'disabled'
+ else
+ @stop_close_button.addClass 'disabled'
cancel_drawing: ->
if selection?.drawing?
svg.removeChild selection.element
selection = null
+ @update_helper_buttons()
return false
stop_drawing: ->
if selection?.drawing?
+ if selection?.data.length < 2
+ return @cancel_drawing()
update_path selection
selection = null
+ @update_helper_buttons()
return false
stop_close_drawing: ->
if selection?.drawing?
+ if selection?.data.length < 3
+ return @stop_drawing()
update_path selection, close: true
selection = null
+ @update_helper_buttons()
return false
mousemove: (x, y) ->
mouse.x = x
when 27
return @cancel_drawing()
disable: ->
+ super()
@stop_drawing()
if selection?.drawing?
delete selection.drawing
class EditTool extends Tool
- constructor: (toolbar) ->
- super 'draw'
- toolbar.append $ "<span>Oops, this tool isn't implemented yet</span>"
+ constructor: (args) ->
+ super args
+ toolbar.append $ "<span>Oops, the edit tool isn't implemented yet</span>"
class DeleteTool extends Tool
- constructor: (toolbar) ->
- super 'draw'
- toolbar.append $ "<span>Oops, this tool isn't implemented yet</span>"
+ constructor: (args) ->
+ super args
+ toolbar.append $ "<span>Oops, the delete isn't implemented yet</span>"
update_path = (path, flags) ->
d = ''
edit: button_text: 'edit', factory: EditTool
delete: button_text: 'delete', factory: DeleteTool
$container = $ '.crayon_mockup'
- $toolbar = $ '<div class="toolbar">Tools: </div>'
+ $toolbar = $ '<div class="toolbar"><span>Tools:</span></div>'
for k, t of tool_buttons
t.element = $ "<span class=\"button\"></span>"
t.element.text t.button_text
cur_tool.disable()
($toolbar.find '.button').removeClass 'disabled'
$tool_options.empty()
- cur_tool = new t.factory $tool_options
- t.element.addClass 'disabled'
+ cur_tool = new t.factory button: t.element, tool_options: $tool_options
$tool_options = $ '<div class="tool_options"></div>'
$container.append $toolbar
$container.append $tool_options
svg.setAttribute 'viewBox', "0 0 #{width} #{height}"
$svg = $ svg
$container.append $svg
- cur_tool = new TutorialTool $tool_options
+ cur_tool = new TutorialTool tool_options: $tool_options
$svg.mousedown (e) ->
offset = $svg.offset()
if cur_tool?