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python
Vispa
Views
AbstractView.py
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1
import
logging
2
3
from
PyQt4.QtCore
import
SIGNAL,Qt
4
from
PyQt4.QtGui
import
QWidget
5
6
from
Vispa.Share.ObjectHolder
import
ObjectHolder
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class
AbstractView
(
ObjectHolder
):
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""" Abstract class for views which show a list of objects using a data accessor.
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A view handles the selection of objects and allows to restore selection after refreshing.
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On selection of an object the signal "selected" shall be emitted.
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"""
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LABEL =
"&Abstract View"
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def
__init__
(self):
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ObjectHolder.__init__(self)
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def
updateContent
(self):
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""" Update content of view.
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Return True if successful.
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"""
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return
True
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def
select
(self, object):
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""" Select an object in the view.
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"""
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pass
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def
selection
(self):
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""" Return the last selected object in the view.
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"""
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return
None
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def
restoreSelection
(self):
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""" Select the last selected object in the view.
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"""
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self.
select
(self.
selection
())
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def
cancel
(self):
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""" Stop all operations in view.
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"""
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pass
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def
isBusy
(self):
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""" Return is operations are ongoing in view.
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"""
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return
False
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class
NoneView
(
AbstractView
, QWidget):
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LABEL =
"&None View"
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def
__init__
(self, parent=None):
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QWidget.__init__(self)
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AbstractView.__init__(self)
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def
mousePressEvent
(self,event):
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QWidget.mousePressEvent(self,event)
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if
event.button()==Qt.RightButton:
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self.emit(SIGNAL(
"mouseRightPressed"
), event.globalPos())
Vispa.Views.AbstractView.NoneView
Definition:
AbstractView.py:52
Vispa.Share.ObjectHolder.ObjectHolder
Definition:
ObjectHolder.py:3
Vispa.Views.AbstractView.AbstractView.restoreSelection
def restoreSelection
Definition:
AbstractView.py:37
Vispa.Views.AbstractView.AbstractView.__init__
def __init__
Definition:
AbstractView.py:17
Vispa.Views.AbstractView.AbstractView.cancel
def cancel
Definition:
AbstractView.py:42
Vispa.Views.AbstractView.NoneView.__init__
def __init__
Definition:
AbstractView.py:56
Vispa.Views.AbstractView.AbstractView
Definition:
AbstractView.py:8
QtCore
Vispa.Share.ObjectHolder
Definition:
ObjectHolder.py:1
Vispa.Views.AbstractView.AbstractView.isBusy
def isBusy
Definition:
AbstractView.py:47
Vispa.Views.AbstractView.NoneView.mousePressEvent
def mousePressEvent
Definition:
AbstractView.py:60
Vispa.Views.AbstractView.AbstractView.selection
def selection
Definition:
AbstractView.py:32
Vispa.Views.AbstractView.AbstractView.updateContent
def updateContent
Definition:
AbstractView.py:20
QtGui
Vispa.Views.AbstractView.AbstractView.select
def select
Definition:
AbstractView.py:27
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