mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-31 00:06:02 -04:00
150 lines
4.3 KiB
Python
150 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
/***************************************************************************
|
|
Name : DB Manager
|
|
Description : Database manager plugin for QuantumGIS
|
|
Date : May 23, 2011
|
|
copyright : (C) 2011 by Giuseppe Sucameli
|
|
email : brush.tyler@gmail.com
|
|
|
|
***************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************/
|
|
"""
|
|
|
|
from PyQt4.QtCore import *
|
|
from PyQt4.QtGui import *
|
|
|
|
from qgis.core import QgsMapLayerRegistry
|
|
|
|
from .db_model import DBModel
|
|
from .db_plugins.plugin import DBPlugin, Schema, Table
|
|
|
|
class DBTree(QTreeView):
|
|
def __init__(self, mainWindow):
|
|
QTreeView.__init__(self, mainWindow)
|
|
self.mainWindow = mainWindow
|
|
|
|
self.setModel( DBModel(self) )
|
|
self.setHeaderHidden(True)
|
|
self.setEditTriggers(QTreeView.EditKeyPressed|QTreeView.SelectedClicked)
|
|
|
|
self.setDragEnabled(True)
|
|
self.setAcceptDrops(True)
|
|
self.setDropIndicatorShown(True)
|
|
|
|
self.connect(self.selectionModel(), SIGNAL("currentChanged(const QModelIndex&, const QModelIndex&)"), self.currentItemChanged)
|
|
self.connect(self, SIGNAL("expanded(const QModelIndex&)"), self.itemChanged)
|
|
self.connect(self, SIGNAL("collapsed(const QModelIndex&)"), self.itemChanged)
|
|
self.connect(self.model(), SIGNAL("dataChanged(const QModelIndex&, const QModelIndex&)"), self.modelDataChanged)
|
|
self.connect(self.model(), SIGNAL("notPopulated"), self.collapse)
|
|
|
|
def refreshItem(self, item=None):
|
|
if item == None:
|
|
item = self.currentItem()
|
|
if item == None: return
|
|
self.model().refreshItem(item)
|
|
|
|
def showSystemTables(self, show):
|
|
pass
|
|
|
|
def currentItem(self):
|
|
indexes = self.selectedIndexes()
|
|
if len(indexes) <= 0:
|
|
return
|
|
return self.model().getItem(indexes[0])
|
|
|
|
|
|
def currentDatabase(self):
|
|
item = self.currentItem()
|
|
if item == None: return
|
|
|
|
if isinstance(item, (DBPlugin, Schema, Table)):
|
|
return item.database()
|
|
return None
|
|
|
|
def currentSchema(self):
|
|
item = self.currentItem()
|
|
if item == None: return
|
|
|
|
if isinstance(item, (Schema, Table)):
|
|
return item.schema()
|
|
return None
|
|
|
|
def currentTable(self):
|
|
item = self.currentItem()
|
|
if item == None: return
|
|
|
|
if isinstance(item, Table):
|
|
return item
|
|
return None
|
|
|
|
|
|
def itemChanged(self, index):
|
|
self.setCurrentIndex(index)
|
|
self.emit( SIGNAL('selectedItemChanged'), self.currentItem() )
|
|
|
|
def modelDataChanged(self, indexFrom, indexTo):
|
|
self.itemChanged(indexTo)
|
|
|
|
def currentItemChanged(self, current, previous):
|
|
self.itemChanged(current)
|
|
|
|
def contextMenuEvent(self, ev):
|
|
index = self.indexAt( ev.pos() )
|
|
if not index.isValid():
|
|
return
|
|
|
|
if index != self.currentIndex():
|
|
self.itemChanged(index)
|
|
|
|
item = self.currentItem()
|
|
|
|
menu = QMenu(self)
|
|
|
|
if isinstance(item, (Table, Schema)):
|
|
menu.addAction("Rename", self.rename)
|
|
menu.addAction("Delete", self.delete)
|
|
|
|
if isinstance(item, Table):
|
|
menu.addSeparator()
|
|
menu.addAction("Add to QGis canvas", self.addLayer)
|
|
|
|
elif isinstance(item, DBPlugin) and item.database() is not None:
|
|
menu.addAction("Re-connect", self.reconnect)
|
|
|
|
if not menu.isEmpty():
|
|
menu.exec_(ev.globalPos())
|
|
|
|
menu.deleteLater()
|
|
|
|
def rename(self):
|
|
index = self.currentIndex()
|
|
item = self.model().getItem(index)
|
|
if isinstance(item, (Table, Schema)):
|
|
self.edit( index )
|
|
|
|
def delete(self):
|
|
item = self.currentItem()
|
|
if isinstance(item, (Table, Schema)):
|
|
self.mainWindow.invokeCallback(item.database().deleteActionSlot)
|
|
|
|
def addLayer(self):
|
|
table = self.currentTable()
|
|
if table is not None:
|
|
QgsMapLayerRegistry.instance().addMapLayer(table.toMapLayer())
|
|
|
|
def reconnect(self):
|
|
db = self.currentDatabase()
|
|
if db is not None:
|
|
self.mainWindow.invokeCallback(db.reconnectActionSlot)
|
|
|