Mercurial > hg > Feedworm

annotate DisplayModel.py @ 139:2cd30af937fa

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add the required methods for determining if a feed needs to be updated
author Dirk Olmes <dirk@xanthippe.ping.de>
date Tue, 23 Aug 2011 16:02:35 +0200
parents 04a730f9d07d
children c5a427d46703
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c8bb3cee7935 pull out DisplayModel into its own file, add the scaffolding for the add feed menu entry
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2 from PyQt4.QtCore import QAbstractListModel, QModelIndex, QVariant, Qt
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4 class DisplayModel(QAbstractListModel):
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5 def __init__(self, parent=None, list=None, displayAttribute=None, **args):
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6 QAbstractListModel.__init__(self, parent, *args)
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7 self.list = list
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8 self.displayAttribute = displayAttribute
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9
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10 def rowCount(self, parent=QModelIndex()):
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11 return len(self.list)
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13 def data(self, index, role):
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14 if index.isValid() and role == Qt.DisplayRole:
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15 row = index.row()
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16 object = self.list[row]
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17 displayString = self._stringToDisplay(object)
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18 return QVariant(displayString)
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19 else:
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20 return QVariant()
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22 def _stringToDisplay(self, object):
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23 if hasattr(object, self.displayAttribute):
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24 return getattr(object, self.displayAttribute)
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25 else:
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26 return "invalid display attribute: " + self.displayAttribute