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# -*- coding: utf-8 -*-
"""
/***************************************************************************
HUB TimeSeriesViewer
-------------------
begin : 2017-08-04
git sha : $Format:%H$
copyright : (C) 2017 by HU-Berlin
email : benjamin.jakimow@geo.hu-berlin.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
# noinspection PyPep8Naming
from __future__ import absolute_import
from qgis.core import *
from collections import OrderedDict
from qgis.gui import QgsDockWidget
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from timeseriesviewer import jp, SETTINGS
from timeseriesviewer.utils import loadUi, SpatialExtent
class MapLayerRegistryModel(QAbstractTableModel):
class LayerWrapper(object):
def __init__(self, lyr):
assert isinstance(lyr, QgsMapLayer)
self.lyr = lyr
def __init__(self, parent=None):
super(MapLayerRegistryModel, self).__init__(parent)
self.cID = '#'
self.cName = 'Name'
self.cSrc = 'Uri'
self.cType= 'Type'
self.REG = QgsMapLayerRegistry.instance()
self.REG.layersAdded.connect(self.addLayers)
self.REG.layersRemoved.connect(self.removeLayers)
self.mLayers = list()
s = ""
def addLayers(self, lyrs):
self.mLayers.extend(lyrs)
self.layoutChanged.emit()
def removeLayers(self, lyr):
to_remove = [l for l in self.mLayers if l == lyr]
for l in to_remove:
self.mLayers.remove(l)
self.layoutChanged.emit()
def columnNames(self):
return [self.cID, self.cName, self.cType, self.cSrc]
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return self.columnNames()[col]
elif orientation == Qt.Vertical and role == Qt.DisplayRole:
return col
return None
def sort(self, col, order):
"""Sort table by given column number.
"""
self.layoutAboutToBeChanged.emit()
columnName = self.columnNames()[col]
rev = order == Qt.DescendingOrder
sortedLyers = None
if columnName == self.cName:
sortedLyers = sorted(self.mLayers, key=lambda l: l.name(), reverse=rev)
elif columnName == self.cSrc:
sortedLyers = sorted(self.mLayers, key=lambda l: l.source(), reverse=rev)
elif columnName == self.cID:
sortedLyers = sorted(self.mLayers, key=lambda l: id(l), reverse=rev)
elif columnName == self.cType:
types = [QgsVectorLayer, QgsRasterLayer]
sortedLyers = sorted(self.mLayers, key=lambda l: types.index(type(l)), reverse=rev)
del self.mLayers[:]
self.mLayers.extend(sortedLyers)
self.layoutChanged.emit()
def rowCount(self, parentIdx=None, *args, **kwargs):
return len(self.mLayers)
def columnCount(self, QModelIndex_parent=None, *args, **kwargs):
return len(self.columnNames())
def lyr2idx(self, lyr):
assert isinstance(lyr, QgsMapLayer)
# return self.createIndex(self.mSpecLib.index(profile), 0)
# pw = self.mProfileWrappers[profile]
if not lyr in self.mLayers:
return None
return self.createIndex(self.mLayers.index(lyr), 0)
def idx2lyr(self, index):
assert isinstance(index, QModelIndex)
if not index.isValid():
return None
return self.mLayers[index.row()]
def idx2lyrs(self, indices):
lyrs = [self.idx2lyr(i) for i in indices]
return [l for l in lyrs if isinstance(l, QgsMapLayer)]
def data(self, index, role=Qt.DisplayRole):
if role is None or not index.isValid():
return None
columnName = self.columnNames()[index.column()]
lyr = self.idx2lyr(index)
assert isinstance(lyr, QgsMapLayer)
if role == Qt.DisplayRole:
if columnName == self.cID:
value = id(lyr)
elif columnName == self.cName:
value = lyr.name()
elif columnName == self.cSrc:
value = lyr.source()
elif columnName in self.cType:
value = str(type(lyr))
if role == Qt.UserRole:
value = lyr
return value
def flags(self, index):
if index.isValid():
columnName = self.columnNames()[index.column()]
flags = Qt.ItemIsEnabled | Qt.ItemIsSelectable
return flags
return None
class SystemInfoDock(QgsDockWidget, loadUi('systeminfo.ui')):
def __init__(self, parent=None):
super(SystemInfoDock, self).__init__(parent)
self.setupUi(self)
self.lyrModel = MapLayerRegistryModel()
self.tableViewMapLayerRegistry.setModel(self.lyrModel)
if __name__ == '__main__':
import site, sys
from timeseriesviewer import utils
from example.Images import Img_2014_01_15_LC82270652014015LGN00_BOA
qgsApp = utils.initQgisApplication()
REG = QgsMapLayerRegistry.instance()
REG.addMapLayer(QgsRasterLayer(Img_2014_01_15_LC82270652014015LGN00_BOA))
d = SystemInfoDock()
d.show()
qgsApp.exec_()