class Mediator(Receiver,FocusObserver,NodePathWrapper):
"""The singleton mediatorobject mediates the interaction between the
StoryMap objects, receiving notifications and calling methods on StoryMap
objects.
"""
def __init__(self):
# Create two story maps, 'Story Cards' which the user picks story cards
# from, and 'My Story Map' in which the user constructs her story.
self.storyCards = StoryMap(storyCardClass=FocusableChoosableStoryCard,
title="Story Cards")
self.storyCards.reparentTo(zcanvas.home)
self.storyCards.setScale(0.02)
self.storyCards.setPos(-.5,0,.8)
self.storyCards.fill()
self.storyCards.added_behaviour = 'disable'
self.myStoryMap = StoryMap(storyCardClass=FocusableEditableStoryCard,
title="My Story")
self.myStoryMap.reparentTo(zcanvas.home)
self.myStoryMap.setScale(0.02)
self.myStoryMap.setPos(-.5,0,-.1)
self.myStoryMap.added_behaviour = 'remove'
#self.myStoryMap.keep_sorted = True
#self.myStoryMap.np.showTightBounds()
self.myStoryMap.auto_grow = True
# Keyboard controls for saving, loading and exporting.
#base.accept("f1",self.save)
#base.accept("f2",self.load)
#base.accept("f3",self.export)
# Subscribe to some messages.
self.acceptOnce('zoom done',zcanvas.message,["Right-click to zoom back out again."])
self.accept('add',self.add)
self.accept('remove',self.remove)
# Frame along the bottom for Save, Load and Quit buttons.
self.bottom_np = aspect2d.attachNewNode('bottom frame')
height = 0.15
self.bottom_np.setPos(-base.getAspectRatio(),0,-1-height)
cm = CardMaker('bottom frame')
cm.setFrame(0,2*base.getAspectRatio(),0,height)
self.bottom_np.attachNewNode(cm.generate())
self.bottom_np.setTransparency(TransparencyAttrib.MAlpha)
self.bottom_np.setColor(.1,.1,.1,.7)
self.bottom_hbox = HBoxList(margin=1)
self.bottom_hbox.reparentTo(self.bottom_np)
self.bottom_hbox.setPos(0,0,height-0.03)
self.bottom_hbox.setScale(.1)
self.save_button = DirectButton(text="Save",command=self.save)
b = Box()
b.fill(self.save_button)
self.bottom_hbox.append(b)
self.load_button = DirectButton(text="Load",command=self.load)
b = Box()
b.fill(self.load_button)
self.bottom_hbox.append(b)
# Interval that slides the frame onto the screen.
self.bottom_interval = LerpPosInterval(
self.bottom_np,
duration=1,
pos=Point3(-base.getAspectRatio(),0,-1),
startPos=Point3(-base.getAspectRatio(),0,-1-height),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.bottom_reverse_interval = LerpPosInterval(
self.bottom_np,
duration=1,
pos=Point3(-base.getAspectRatio(),0,-1-height),
startPos=Point3(-base.getAspectRatio(),0,-1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.bottom_frame_is_active = False
# Frame along the right for story cards.
self.right_np = aspect2d.attachNewNode('right frame')
width = 0.14*base.getAspectRatio()
self.right_np.setPos(base.getAspectRatio()+width,0,1)
cm = CardMaker('right frame')
cm.setFrame(-width,0,-2,0)
self.right_np.attachNewNode(cm.generate())
self.right_np.setTransparency(TransparencyAttrib.MAlpha)
self.right_np.setColor(.1,.1,.1,.7)
self.right_vbox = Stack()
self.right_vbox.reparentTo(self.right_np)
self.right_vbox.setPos(-width+0.035,0,-0.06)
self.right_vbox.setScale(.02)
# Interval that slides the frame onto the screen.
self.right_interval = LerpPosInterval(
self.right_np,
duration=1,
pos=Point3(base.getAspectRatio(),0,1),
startPos=Point3(base.getAspectRatio()+width,0,1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.right_reverse_interval = LerpPosInterval(
self.right_np,
duration=1,
pos=Point3(base.getAspectRatio()+width,0,1),
startPos=Point3(base.getAspectRatio(),0,1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.right_frame_is_active = False
# Task that watches for the mouse going to the screen edges and slides
# the frames onscreen when it does.
self.prev_x = None
self.prev_y = None
taskMgr.add(self.task,'Mediator mouse watcher task')
NodePathWrapper.__init__(self)
FocusObserver.__init__(self)
def enterNone(self):
"""Viewport focus has changed to None."""
# Make the title of 'My Story Map' editable.
self.myStoryMap.title['state'] = DGG.NORMAL
def exitNone(self):
"""Undo any changes made by enterNone."""
self.myStoryMap.title['state'] = DGG.DISABLED
def task(self,task):
if base.mouseWatcherNode.hasMouse():
x=base.mouseWatcherNode.getMouseX()
y=base.mouseWatcherNode.getMouseY()
if y <= -0.87 and self.prev_y > -0.87:
# The mouse has just moved into the bottom frame's area.
self.activate_bottom_frame()
elif y > -0.87 and self.prev_y <= -0.87:
# The mouse has just moved out of the bottom frame's area.
self.deactivate_bottom_frame()
self.prev_y = y
if x >= 0.8 and self.prev_x < 0.8:
# The mouse has just moved into the right frame's area.
self.activate_right_frame()
elif x < 0.8 and self.prev_x >= 0.8:
# The mouse has just moved out of the right frame's area.
self.deactivate_right_frame()
self.prev_x = x
return task.cont
def activate_bottom_frame(self):
if not self.bottom_frame_is_active:
self.bottom_interval.start()
self.bottom_frame_is_active = True
def deactivate_bottom_frame(self):
if self.bottom_frame_is_active:
self.bottom_reverse_interval.start()
self.bottom_frame_is_active = False
def activate_right_frame(self):
if not self.right_frame_is_active:
self.right_interval.start()
self.right_frame_is_active = True
def deactivate_right_frame(self):
if self.right_frame_is_active:
self.right_reverse_interval.start()
self.right_frame_is_active = False
def add(self,card):
# The Add button was pressed on one of the StoryCards in self.storyCards
for box in self.right_vbox:
if box.contents is None:
box.fill(card)
# self.activate_right_frame()
return
zcanvas.message('The stack is full!\nDrag another card from the stack first.')
def remove(self,editableCard):
# The Remove button was pressed on one of the StoryCards in
# self.myStoryMap
editableCard.getPythonTag('box').empty()
for choosableCard in self.storyCards.items():
if choosableCard.function == editableCard.function:
choosableCard.enable()
return
# Implement the Originator interface of the memento design pattern. (For
# saving and loading.)
class Memento:
"""A passive class that stores the state of a Mediator object."""
def __init__(self, storycards, mystorymap, stack):
# MediatorMemento just holds mementos for mediator's two StoryMap
# objects.
self.storycards = storycards
self.mystorymap = mystorymap
self.stack = stack
def __str__(self):
return self.mystorymap.__str__()
def create_memento(self):
"""Return a memento object holding the current internal state of this
object."""
return Mediator.Memento(self.storyCards.create_memento(),
self.myStoryMap.create_memento(),
self.right_vbox.create_memento())
def restore_memento(self,memento):
"""Restore the internal state of this object to that held by the given
memento."""
self.storyCards.restore_memento(memento.storycards)
self.myStoryMap.restore_memento(memento.mystorymap)
self.right_vbox.restore_memento(memento.stack)
# Implement the Caretaker interface of the memento design pattern. (For
# saving and loading.)
def save(self):
"""Save the current state of the application to file."""
memento = self.create_memento()
import datetime
f = open(str(datetime.datetime.now()).replace(' ','_')+'.saved_story','w')
cPickle.dump(memento,f)
f.close()
zcanvas.message("Saved!")
def _load(self,args):
self.load_list.removeNode()
f = open(args,'r')
memento = cPickle.load(f)
f.close()
self.restore_memento(memento)
taskMgr.doMethodLater(1, zcanvas.message, 'Welcome Message', extraArgs = ["Loaded!"])
def load(self):
"""Restore the current state of the application from file."""
dir = '.'
ext = '.saved_story'
saved_stories = [f for f in os.listdir(dir) if os.path.isfile(os.path.join(dir,f)) and f.endswith(ext)]
saved_stories.sort()
from direct.gui.DirectGui import DirectScrolledList,DirectButton
labels = []
for saved_story in saved_stories:
filename,ext = os.path.splitext(saved_story)
l = DirectButton(text=filename, scale=0.05, command=self._load, extraArgs=[saved_story])
labels.append(l)
self.load_list = DirectScrolledList(
decButton_pos= (0.35, 0, 0.53),
decButton_text = "/\\",
decButton_text_scale = 0.04,
decButton_borderWidth = (0.005, 0.005),
incButton_pos= (0.35, 0, -0.02),
incButton_text = "\\/",
incButton_text_scale = 0.04,
incButton_borderWidth = (0.005, 0.005),
#frameSize = (0.0, 0.7, -0.05, 0.59),
#frameColor = (1,0,0,0.5),
pos = self.load_button.getPos(aspect2d),
items = labels,
numItemsVisible = 4,
forceHeight = 0.11,
itemFrame_frameSize = (-0.3, 0.3, -0.37, 0.11),
itemFrame_pos = (0.35, 0, 0.4),
)
def export(self):
"""Export the current story to a text file."""
memento = self.create_memento()
try:
f = open("story.txt", "w")
try:
f.write(memento.__str__())
finally:
f.close()
except IOError:
print 'IOError while exporting story!'
class Mediator(Receiver, FocusObserver, NodePathWrapper):
"""The singleton mediatorobject mediates the interaction between the
StoryMap objects, receiving notifications and calling methods on StoryMap
objects.
"""
def __init__(self):
# Create two story maps, 'Story Cards' which the user picks story cards
# from, and 'My Story Map' in which the user constructs her story.
self.storyCards = StoryMap(storyCardClass=FocusableChoosableStoryCard,
title="Story Cards")
self.storyCards.reparentTo(zcanvas.home)
self.storyCards.setScale(0.02)
self.storyCards.setPos(-.5, 0, .8)
self.storyCards.fill()
self.storyCards.added_behaviour = 'disable'
self.myStoryMap = StoryMap(storyCardClass=FocusableEditableStoryCard,
title="My Story")
self.myStoryMap.reparentTo(zcanvas.home)
self.myStoryMap.setScale(0.02)
self.myStoryMap.setPos(-.5, 0, -.1)
self.myStoryMap.added_behaviour = 'remove'
#self.myStoryMap.keep_sorted = True
#self.myStoryMap.np.showTightBounds()
self.myStoryMap.auto_grow = True
# Keyboard controls for saving, loading and exporting.
#base.accept("f1",self.save)
#base.accept("f2",self.load)
#base.accept("f3",self.export)
# Subscribe to some messages.
self.acceptOnce('zoom done', zcanvas.message,
["Right-click to zoom back out again."])
self.accept('add', self.add)
self.accept('remove', self.remove)
# Frame along the bottom for Save, Load and Quit buttons.
self.bottom_np = aspect2d.attachNewNode('bottom frame')
height = 0.15
self.bottom_np.setPos(-base.getAspectRatio(), 0, -1 - height)
cm = CardMaker('bottom frame')
cm.setFrame(0, 2 * base.getAspectRatio(), 0, height)
self.bottom_np.attachNewNode(cm.generate())
self.bottom_np.setTransparency(TransparencyAttrib.MAlpha)
self.bottom_np.setColor(.1, .1, .1, .7)
self.bottom_hbox = HBoxList(margin=1)
self.bottom_hbox.reparentTo(self.bottom_np)
self.bottom_hbox.setPos(0, 0, height - 0.03)
self.bottom_hbox.setScale(.1)
self.save_button = DirectButton(text="Save", command=self.save)
b = Box()
b.fill(self.save_button)
self.bottom_hbox.append(b)
self.load_button = DirectButton(text="Load", command=self.load)
b = Box()
b.fill(self.load_button)
self.bottom_hbox.append(b)
# Interval that slides the frame onto the screen.
self.bottom_interval = LerpPosInterval(
self.bottom_np,
duration=1,
pos=Point3(-base.getAspectRatio(), 0, -1),
startPos=Point3(-base.getAspectRatio(), 0, -1 - height),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.bottom_reverse_interval = LerpPosInterval(
self.bottom_np,
duration=1,
pos=Point3(-base.getAspectRatio(), 0, -1 - height),
startPos=Point3(-base.getAspectRatio(), 0, -1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.bottom_frame_is_active = False
# Frame along the right for story cards.
self.right_np = aspect2d.attachNewNode('right frame')
width = 0.14 * base.getAspectRatio()
self.right_np.setPos(base.getAspectRatio() + width, 0, 1)
cm = CardMaker('right frame')
cm.setFrame(-width, 0, -2, 0)
self.right_np.attachNewNode(cm.generate())
self.right_np.setTransparency(TransparencyAttrib.MAlpha)
self.right_np.setColor(.1, .1, .1, .7)
self.right_vbox = Stack()
self.right_vbox.reparentTo(self.right_np)
self.right_vbox.setPos(-width + 0.035, 0, -0.06)
self.right_vbox.setScale(.02)
# Interval that slides the frame onto the screen.
self.right_interval = LerpPosInterval(
self.right_np,
duration=1,
pos=Point3(base.getAspectRatio(), 0, 1),
startPos=Point3(base.getAspectRatio() + width, 0, 1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.right_reverse_interval = LerpPosInterval(
self.right_np,
duration=1,
pos=Point3(base.getAspectRatio() + width, 0, 1),
startPos=Point3(base.getAspectRatio(), 0, 1),
other=None,
blendType='easeInOut',
bakeInStart=1,
fluid=0,
name=None)
self.right_frame_is_active = False
# Task that watches for the mouse going to the screen edges and slides
# the frames onscreen when it does.
self.prev_x = None
self.prev_y = None
taskMgr.add(self.task, 'Mediator mouse watcher task')
NodePathWrapper.__init__(self)
FocusObserver.__init__(self)
def enterNone(self):
"""Viewport focus has changed to None."""
# Make the title of 'My Story Map' editable.
self.myStoryMap.title['state'] = DGG.NORMAL
def exitNone(self):
"""Undo any changes made by enterNone."""
self.myStoryMap.title['state'] = DGG.DISABLED
def task(self, task):
if base.mouseWatcherNode.hasMouse():
x = base.mouseWatcherNode.getMouseX()
y = base.mouseWatcherNode.getMouseY()
if y <= -0.87 and self.prev_y > -0.87:
# The mouse has just moved into the bottom frame's area.
self.activate_bottom_frame()
elif y > -0.87 and self.prev_y <= -0.87:
# The mouse has just moved out of the bottom frame's area.
self.deactivate_bottom_frame()
self.prev_y = y
if x >= 0.8 and self.prev_x < 0.8:
# The mouse has just moved into the right frame's area.
self.activate_right_frame()
elif x < 0.8 and self.prev_x >= 0.8:
# The mouse has just moved out of the right frame's area.
self.deactivate_right_frame()
self.prev_x = x
return task.cont
def activate_bottom_frame(self):
if not self.bottom_frame_is_active:
self.bottom_interval.start()
self.bottom_frame_is_active = True
def deactivate_bottom_frame(self):
if self.bottom_frame_is_active:
self.bottom_reverse_interval.start()
self.bottom_frame_is_active = False
def activate_right_frame(self):
if not self.right_frame_is_active:
self.right_interval.start()
self.right_frame_is_active = True
def deactivate_right_frame(self):
if self.right_frame_is_active:
self.right_reverse_interval.start()
self.right_frame_is_active = False
def add(self, card):
# The Add button was pressed on one of the StoryCards in self.storyCards
for box in self.right_vbox:
if box.contents is None:
box.fill(card)
# self.activate_right_frame()
return
zcanvas.message(
'The stack is full!\nDrag another card from the stack first.')
def remove(self, editableCard):
# The Remove button was pressed on one of the StoryCards in
# self.myStoryMap
editableCard.getPythonTag('box').empty()
for choosableCard in self.storyCards.items():
if choosableCard.function == editableCard.function:
choosableCard.enable()
return
# Implement the Originator interface of the memento design pattern. (For
# saving and loading.)
class Memento:
"""A passive class that stores the state of a Mediator object."""
def __init__(self, storycards, mystorymap, stack):
# MediatorMemento just holds mementos for mediator's two StoryMap
# objects.
self.storycards = storycards
self.mystorymap = mystorymap
self.stack = stack
def __str__(self):
return self.mystorymap.__str__()
def create_memento(self):
"""Return a memento object holding the current internal state of this
object."""
return Mediator.Memento(self.storyCards.create_memento(),
self.myStoryMap.create_memento(),
self.right_vbox.create_memento())
def restore_memento(self, memento):
"""Restore the internal state of this object to that held by the given
memento."""
self.storyCards.restore_memento(memento.storycards)
self.myStoryMap.restore_memento(memento.mystorymap)
self.right_vbox.restore_memento(memento.stack)
# Implement the Caretaker interface of the memento design pattern. (For
# saving and loading.)
def save(self):
"""Save the current state of the application to file."""
memento = self.create_memento()
import datetime
f = open(
str(datetime.datetime.now()).replace(' ', '_') + '.saved_story',
'w')
cPickle.dump(memento, f)
f.close()
zcanvas.message("Saved!")
def _load(self, args):
self.load_list.removeNode()
f = open(args, 'r')
memento = cPickle.load(f)
f.close()
self.restore_memento(memento)
taskMgr.doMethodLater(1,
zcanvas.message,
'Welcome Message',
extraArgs=["Loaded!"])
def load(self):
"""Restore the current state of the application from file."""
dir = '.'
ext = '.saved_story'
saved_stories = [
f for f in os.listdir(dir)
if os.path.isfile(os.path.join(dir, f)) and f.endswith(ext)
]
saved_stories.sort()
from direct.gui.DirectGui import DirectScrolledList, DirectButton
labels = []
for saved_story in saved_stories:
filename, ext = os.path.splitext(saved_story)
l = DirectButton(text=filename,
scale=0.05,
command=self._load,
extraArgs=[saved_story])
labels.append(l)
self.load_list = DirectScrolledList(
decButton_pos=(0.35, 0, 0.53),
decButton_text="/\\",
decButton_text_scale=0.04,
decButton_borderWidth=(0.005, 0.005),
incButton_pos=(0.35, 0, -0.02),
incButton_text="\\/",
incButton_text_scale=0.04,
incButton_borderWidth=(0.005, 0.005),
#frameSize = (0.0, 0.7, -0.05, 0.59),
#frameColor = (1,0,0,0.5),
pos=self.load_button.getPos(aspect2d),
items=labels,
numItemsVisible=4,
forceHeight=0.11,
itemFrame_frameSize=(-0.3, 0.3, -0.37, 0.11),
itemFrame_pos=(0.35, 0, 0.4),
)
def export(self):
"""Export the current story to a text file."""
memento = self.create_memento()
try:
f = open("story.txt", "w")
try:
f.write(memento.__str__())
finally:
f.close()
except IOError:
print 'IOError while exporting story!'
ZNode.__init__(self, geomnode=DemoItem.cm.generate())
Draggable.__init__(self)
self.set_draggable(True)
Highlightable.__init__(self)
self.set_highlightable(True)
# FIXME. zoomable is required to make highlightable work because of the
# collision mask. It shouldn't be.
self.set_zoomable(True)
hbox = HBoxList()
hbox.setPos(-.5, 0, .4)
hbox.reparentTo(zcanvas.home)
for i in range(5):
b = Box(geomnode=DemoItem.cm.generate())
hbox.append(b)
i = DemoItem()
b.fill(i)
vbox = VBoxList()
vbox.setPos(-.5, 0, .25)
vbox.reparentTo(zcanvas.home)
for i in range(5):
b = Box(geomnode=DemoItem.cm.generate())
vbox.append(b)
gbox = GridBoxList(columns=3)
gbox.setPos(.1, 0, .1)
gbox.reparentTo(zcanvas.home)
for i in range(9):
b = Box(geomnode=DemoItem.cm.generate())
ZNode.__init__(self,geomnode = DemoItem.cm.generate())
Draggable.__init__(self)
self.set_draggable(True)
Highlightable.__init__(self)
self.set_highlightable(True)
# FIXME. zoomable is required to make highlightable work because of the
# collision mask. It shouldn't be.
self.set_zoomable(True)
hbox = HBoxList()
hbox.setPos(-.5,0,.4)
hbox.reparentTo(zcanvas.home)
for i in range(5):
b = Box(geomnode=DemoItem.cm.generate())
hbox.append(b)
i = DemoItem()
b.fill(i)
vbox = VBoxList()
vbox.setPos(-.5,0,.25)
vbox.reparentTo(zcanvas.home)
for i in range(5):
b = Box(geomnode=DemoItem.cm.generate())
vbox.append(b)
gbox = GridBoxList(columns=3)
gbox.setPos(.1,0,.1)
gbox.reparentTo(zcanvas.home)
for i in range(9):
b = Box(geomnode=DemoItem.cm.generate())
