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115 lines
3.1 KiB
Python
115 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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/***************************************************************************
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Name : DB Manager
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Description : Database manager plugin for QuantumGIS
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Date : May 23, 2011
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copyright : (C) 2011 by Giuseppe Sucameli
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email : brush.tyler@gmail.com
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***************************************************************************/
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/***************************************************************************
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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 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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"""
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from .db_plugins.plugin import DbError, Table
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from .dlg_db_error import DlgDbError
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class TableViewer(QTableView):
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def __init__(self, parent=None):
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QTableView.__init__(self, parent)
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self.setSelectionBehavior( QAbstractItemView.SelectRows )
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self.setSelectionMode( QAbstractItemView.ExtendedSelection )
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self.item = None
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self.dirty = False
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# allow to copy results
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copyAction = QAction("copy", self)
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self.addAction( copyAction )
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copyAction.setShortcuts(QKeySequence.Copy)
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QObject.connect(copyAction, SIGNAL("triggered()"), self.copySelectedResults)
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self._clear()
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def refresh(self):
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self.dirty = True
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self.loadData( self.item )
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def loadData(self, item ):
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if item == self.item and not self.dirty:
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return
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self._clear()
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if item is None:
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return
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if isinstance(item, Table):
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self._loadTableData( item )
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else:
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return
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self.item = item
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self.connect(self.item, SIGNAL('aboutToChange'), self.setDirty)
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def setDirty(self, val=True):
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self.dirty = val
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def _clear(self):
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if self.item is not None:
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try:
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self.disconnect(self.item, SIGNAL('aboutToChange'), self.setDirty)
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except:
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# do not raise any error if self.item was deleted
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pass
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self.item = None
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self.dirty = False
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# delete the old model
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model = self.model()
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self.setModel(None)
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if model: model.deleteLater()
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def _loadTableData(self, table):
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QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
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try:
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# set the new model
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self.setModel( table.tableDataModel(self) )
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except DbError, e:
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DlgDbError.showError(e, self)
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return
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else:
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self.update()
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finally:
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QApplication.restoreOverrideCursor()
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def copySelectedResults(self):
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if len(self.selectedIndexes()) <= 0:
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return
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model = self.model()
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# convert to string using tab as separator
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text = model.headerToString( "\t" )
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for idx in self.selectionModel().selectedRows():
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text += "\n" + model.rowToString( idx.row(), "\t" )
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QApplication.clipboard().setText( text, QClipboard.Selection )
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QApplication.clipboard().setText( text, QClipboard.Clipboard )
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