64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
import random
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import goocanvas
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from sugar.canvas.IconItem import IconItem
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class ActivityItem(IconItem):
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def __init__(self, activity, registry):
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info = registry.get_activity(activity.get_type())
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icon_name = info.get_icon()
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IconItem.__init__(self, icon_name, 'green', 48)
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self._activity = activity
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def get_service(self):
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return self._activity.get_service()
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class Model(goocanvas.CanvasModelSimple):
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def __init__(self, data_model, registry):
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goocanvas.CanvasModelSimple.__init__(self)
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self._registry = registry
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root = self.get_root_item()
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item = goocanvas.Rect(width=1200, height=900,
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fill_color="#d8d8d8")
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root.add_child(item)
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for activity in data_model:
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self.add_activity(activity)
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data_model.connect('activity-added', self.__activity_added_cb)
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def add_activity(self, activity):
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root = self.get_root_item()
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item = ActivityItem(activity, self._registry)
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item.set_property('x', random.random() * 1100)
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item.set_property('y', random.random() * 800)
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root.add_child(item)
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def __activity_added_cb(self, data_model, activity):
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self.add_activity(activity)
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class MeshView(goocanvas.CanvasView):
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def __init__(self, shell, data_model):
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goocanvas.CanvasView.__init__(self)
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self._shell = shell
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self.connect("item_view_created", self.__item_view_created_cb)
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canvas_model = Model(data_model, shell.get_registry())
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self.set_model(canvas_model)
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def __activity_button_press_cb(self, view, target, event, service):
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self._shell.join_activity(service)
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def __item_view_created_cb(self, view, item_view, item):
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if isinstance(item, ActivityItem):
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item_view.connect("button_press_event",
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self.__activity_button_press_cb,
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item.get_service())
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