# settings width = 500 height = 500 # globals $svg = null # jquery object for svg element svg = null # dom object for svg element $tool_options = null # jquery object for tool options line selection = null svg_ns = 'http://www.w3.org/2000/svg' cur_tool = null mouse = x: 0, y: 0, buttons: [0,0,0] class Tool constructor: (args) -> @button = args.button if @button? @button.addClass 'disabled' @tool_options = args.tool_options click: (x, y) -> mousemove: (x, y) -> keydown: (keycode) -> disable: -> if @button? @button.removeClass 'disabled' @tool_options.empty() class TutorialTool extends Tool constructor: (args) -> super args @paths = [] choose = [ [[219,34],[53,141],[96,143],[92,255],[365,257],[362,145],[407,144,'z']], [[161,118],[144,106],[130,115],[128,152],[140,160],[156,150]], [[173,107],[169,159],[180,137],[189,133],[193,160]], [[218,135],[205,144],[205,158],[215,164],[225,156],[225,144,'z']], [[242,135],[233,145],[233,157],[244,168],[256,158],[254,144,'z']], [[278,141],[269,135],[261,142],[264,151],[278,153],[281,162],[271,170],[264,163]], [[291,151],[305,151],[312,143],[299,135],[288,140],[293,160],[302,167],[313,158]], [[136,208],[121,206],[116,226],[128,233],[136,229],[137,209],[140,233]], [[160,207],[191,205]], [[176,184],[174,228],[180,238]], [[198,216],[187,223],[189,236],[200,242],[210,235],[209,224,'z']], [[227,216],[216,222],[216,236],[224,244],[237,240],[237,226,'z']], [[247,187],[249,241],[254,243]] ] for c in choose path = data: c, element: document.createElementNS svg_ns, "path" update_path path, close: c[c.length - 1][2] is 'z' svg.appendChild path.element @paths.push path @tip = $ " " @tool_options.append @tip disable: -> super() for p in @paths svg.removeChild p.element class DrawTool extends Tool constructor: (args) -> super args @tool_options.append $ "Draw tool helpers:" @stop_button = $ 'finish line' @stop_close_button = $ 'close (loop)' @cancel_button = $ 'cancel line' @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 unless selection? path = document.createElementNS svg_ns, "path" selection = data: [], element: path, drawing: true svg.appendChild path selection.data.push [x, y] update_path selection @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 mouse.y = y if selection?.drawing? update_path selection, to_mouse: true keydown: (keycode) -> switch keycode when ('O'.charCodeAt 0), ('0'.charCodeAt 0) return @stop_close_drawing() when (' '.charCodeAt 0), 13, 10 return @stop_drawing() when 27 return @cancel_drawing() disable: -> super() @stop_drawing() if selection?.drawing? delete selection.drawing class EditTool extends Tool constructor: (args) -> super args toolbar.append $ "Oops, the edit tool isn't implemented yet" class DeleteTool extends Tool constructor: (args) -> super args toolbar.append $ "Oops, the delete isn't implemented yet" update_path = (path, flags) -> d = '' sep = 'M' for loc, i in path.data d += "#{sep} #{loc[0]} #{loc[1]}" sep = ' L' if flags?.to_mouse? d += "#{sep} #{mouse.x} #{mouse.y}" if flags?.close d += " z" path.element.setAttribute "d", d switch_to_tool = (tool_class) -> # called automatically on domcontentloaded init = -> tool_buttons = draw: button_text: 'draw', factory: DrawTool edit: button_text: 'edit', factory: EditTool delete: button_text: 'delete', factory: DeleteTool $container = $ '.crayon_mockup' $toolbar = $ '
Tools:
' for k, t of tool_buttons t.element = $ "" t.element.text t.button_text $toolbar.append t.element do (t) -> t.element.click -> if cur_tool? cur_tool.disable() ($toolbar.find '.button').removeClass 'disabled' $tool_options.empty() cur_tool = new t.factory button: t.element, tool_options: $tool_options $tool_options = $ '
' $container.append $toolbar $container.append $tool_options svg = document.createElementNS svg_ns, 'svg' svg.setAttribute 'width', width svg.setAttribute 'height', height svg.setAttribute 'viewBox', "0 0 #{width} #{height}" $svg = $ svg $container.append $svg cur_tool = new TutorialTool tool_options: $tool_options $svg.mousedown (e) -> offset = $svg.offset() if cur_tool? return cur_tool.click e.pageX - offset.left, e.pageY - offset.top $svg.mousemove (e) -> offset = $svg.offset() if cur_tool? return cur_tool.mousemove e.pageX - offset.left, e.pageY - offset.top ($ document).keydown (e) -> if cur_tool? return cur_tool.keydown e.keyCode $ init