Source code for tuiview.propertieswindow

"""
Module that contains the PropertiesWindow class
"""
# This file is part of 'TuiView' - a simple Raster viewer
# Copyright (C) 2012  Sam Gillingham
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
from PyQt5.QtWidgets import QDialog, QVBoxLayout, QPushButton, QTextEdit
from PyQt5.QtWidgets import QGroupBox, QLabel, QGridLayout, QTabWidget, QWidget
from PyQt5.QtWidgets import QComboBox

from . import plotwidget

[docs]class PropertiesWindow(QDialog): def __init__(self, parent, info): QDialog.__init__(self, parent) self.info = info self.mainLayout = QVBoxLayout() self.fileLayout = QVBoxLayout() self.fileTab = QTabWidget() self.fileInfoWidget = QWidget() self.fileInfoWidgetLayout = QGridLayout() self.fileInfoWidget.setLayout(self.fileInfoWidgetLayout) for rowCount, values in enumerate(info.fileInfo): name, value = values nameLabel = QLabel() nameLabel.setText(name) self.fileInfoWidgetLayout.addWidget(nameLabel, rowCount, 0) valueLabel = QLabel() valueLabel.setText(value) self.fileInfoWidgetLayout.addWidget(valueLabel, rowCount, 1) self.fileTab.addTab(self.fileInfoWidget, "File Information") self.fileProjWidget = QWidget() self.fileProjWidgetLayout = QGridLayout() self.fileProjWidget.setLayout(self.fileProjWidgetLayout) coordInfo = [('Projection', info.getProjection()), ('Datum', info.getDatum()), ('Spheroid', info.getSpheroid()), ('Units', info.getUnits()), ('UTM Zone', info.getUTMZone())] for rowCount, values in enumerate(coordInfo): name, value = values nameLabel = QLabel() nameLabel.setText(name) self.fileProjWidgetLayout.addWidget(nameLabel, rowCount, 0) valueLabel = QLabel() if value is not None: valueLabel.setText(value) else: valueLabel.setText("Not Set") self.fileProjWidgetLayout.addWidget(valueLabel, rowCount, 1) self.fileTab.addTab(self.fileProjWidget, "Coordinate System") self.fileLayout.addWidget(self.fileTab) self.fileGroup = QGroupBox('File') self.fileGroup.setLayout(self.fileLayout) self.mainLayout.addWidget(self.fileGroup) self.layerLayout = QVBoxLayout() self.layerTab = QTabWidget() self.layerSelLayout = QGridLayout() self.layerSelLabel = QLabel() self.layerSelLabel.setText("Layer:") self.layerSelLayout.addWidget(self.layerSelLabel, 0, 0) self.layerSelCombo = QComboBox() for idx, name in enumerate(info.bandNames): self.layerSelCombo.addItem(name, idx) self.layerSelCombo.setEnabled(len(info.bandNames) > 1) self.layerSelLayout.addWidget(self.layerSelCombo, 0, 1) self.layerSelCombo.currentIndexChanged.connect(self.layerChanged) self.layerLayout.addLayout(self.layerSelLayout) self.layerLayout.addWidget(self.layerTab) self.layerInfoWidget = QWidget() self.plotWidget = plotwidget.PlotBarWidget(self) self.layerInfoLayout = QGridLayout() self.layerValueLabels = {} # so we can just update what we need self.layerChanged(0) # fill it in self.layerSelCombo.setCurrentIndex(0) # make sure we are at first one self.layerInfoWidget.setLayout(self.layerInfoLayout) self.layerTab.addTab(self.layerInfoWidget, 'Layer Information') self.layerTab.addTab(self.plotWidget, 'Layer Histogram') self.layerGroup = QGroupBox('Layer') self.layerGroup.setLayout(self.layerLayout) self.mainLayout.addWidget(self.layerGroup) self.bandInfoLayout = QGridLayout() self.mainLayout.addLayout(self.bandInfoLayout) self.closeButton = QPushButton() self.closeButton.setText("Close") self.closeButton.clicked.connect(self.accept) self.mainLayout.addWidget(self.closeButton) self.setLayout(self.mainLayout) self.setSizeGripEnabled(True) self.resize(500, 600)
[docs] def layerChanged(self, comboIdx): """ Called when the band changed - update GUI """ # get the idx in the info object idx = self.layerSelCombo.itemData(comboIdx) if len(self.layerValueLabels) == 0: for rowCount, values in enumerate(self.info.bandInfo[idx]): name, value = values nameLabel = QLabel() nameLabel.setText(name) self.layerInfoLayout.addWidget(nameLabel, rowCount, 0) valueLabel = QLabel() valueLabel.setText(value) self.layerInfoLayout.addWidget(valueLabel, rowCount, 1) self.layerValueLabels[name] = valueLabel else: for name, value in self.info.bandInfo[idx]: valueLabel = self.layerValueLabels[name] valueLabel.setText(value) # update histogram info name = self.info.bandNames[idx] if name in self.info.histograms: minVal, maxVal, histData = self.info.histograms[name] plotBar = plotwidget.PlotBars(histData, minVal, maxVal) self.plotWidget.setBars(plotBar) else: # no histo info self.plotWidget.setBars(None)