mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-11-17 09:14:52 +02:00
131 lines
3.4 KiB
Python
131 lines
3.4 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2016 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import asyncio
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import uuid
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class Drawing:
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"""
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Drawing are visual element not used by the network emulation. Like
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text, images, rectangle... They are pure SVG elements.
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"""
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def __init__(self, project, drawing_id=None, svg="<svg></svg>", x=0, y=0, z=0, rotation=0):
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self.svg = svg
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self._project = project
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if drawing_id is None:
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self._id = str(uuid.uuid4())
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else:
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self._id = drawing_id
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self._x = x
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self._y = y
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self._z = z
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self._rotation = rotation
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@property
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def id(self):
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return self._id
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@property
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def svg(self):
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return self._svg
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@svg.setter
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def svg(self, value):
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self._svg = value
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@property
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def x(self):
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return self._x
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@x.setter
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def x(self, val):
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self._x = val
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@property
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def y(self):
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return self._y
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@y.setter
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def y(self, val):
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self._y = val
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@property
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def z(self):
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return self._z
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@z.setter
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def z(self, val):
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self._z = val
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@property
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def rotation(self):
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return self._rotation
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@rotation.setter
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def rotation(self, val):
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self._rotation = val
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@asyncio.coroutine
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def update(self, **kwargs):
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"""
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Update the drawing
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:param kwargs: Drawing properties
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"""
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# Update node properties with additional elements
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svg_changed = False
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for prop in kwargs:
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if getattr(self, prop) != kwargs[prop]:
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if prop == "svg":
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# To avoid spamming client with large data we don't send the svg if the SVG didn't change
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svg_changed = True
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setattr(self, prop, kwargs[prop])
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data = self.__json__()
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if not svg_changed:
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del data["svg"]
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self._project.controller.notification.emit("drawing.updated", data)
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self._project.dump()
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def __json__(self, topology_dump=False):
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"""
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:param topology_dump: Filter to keep only properties require for saving on disk
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"""
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if topology_dump:
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return {
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"drawing_id": self._id,
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"x": self._x,
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"y": self._y,
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"z": self._z,
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"rotation": self._rotation,
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"svg": self._svg
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}
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return {
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"project_id": self._project.id,
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"drawing_id": self._id,
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"x": self._x,
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"y": self._y,
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"z": self._z,
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"rotation": self._rotation,
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"svg": self._svg
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}
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def __repr__(self):
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return "<gns3server.controller.Drawing {}>".format(self._id)
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