/
tagphotosdialog.py
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/
tagphotosdialog.py
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# -*- coding: utf-8 -*-
#******************************************************************************
#
# Geotag and import photos
# ---------------------------------------------------------
# Process photos from phototraps.
#
# Copyright (C) 2012-2013 Alexander Bruy (alexander.bruy@gmail.com)
#
# This source 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 3 of the License, or (at your option)
# any later version.
#
# This code 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.
#
# A copy of the GNU General Public License is available on the World Wide Web
# at <http://www.gnu.org/licenses/>. You can also obtain it by writing
# to the Free Software Foundation, 51 Franklin Street, Suite 500 Boston,
# MA 02110-1335 USA.
#
#******************************************************************************
import os
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
import directorydelegate
import uniquevaluesdelegate
import tagphotosthread
import geotagphotos_utils as utils
from ui.ui_tagphotosdialogbase import Ui_Dialog
class TagPhotosDialog(QDialog, Ui_Dialog):
def __init__(self, iface):
QDialog.__init__(self)
self.iface = iface
self.setupUi(self)
self.workThread = None
self.btnOk = self.buttonBox.button(QDialogButtonBox.Ok)
self.btnClose = self.buttonBox.button(QDialogButtonBox.Close)
self.model = QStandardItemModel(0, 3)
self.model.rowsInserted.connect(self.toggleButtons)
self.model.rowsRemoved.connect(self.toggleButtons)
self.cmbLayers.currentIndexChanged.connect(self.reloadFields)
self.cmbTags.currentIndexChanged.connect(self.resetTagsEditor)
self.cmbValues.currentIndexChanged.connect(self.resetValuesEditor)
self.btnAddRow.clicked.connect(self.addRow)
self.btnDeleteRow.clicked.connect(self.deleteRow)
self.btnClearAll.clicked.connect(self.clearAll)
self.btnSelectConfig.clicked.connect(self.selectConfigFile)
self.manageGui()
def manageGui(self):
self.btnDeleteRow.setEnabled(False)
self.btnClearAll.setEnabled(False)
self.setTableHeader()
self.tableView.setModel(self.model)
self.dirDelegate = directorydelegate.DirectoryDelegate()
self.tableView.setItemDelegateForColumn(0, self.dirDelegate)
self.cmbLayers.clear()
self.cmbLayers.addItems(utils.getVectorLayerNames())
def setTableHeader(self):
self.model.setHorizontalHeaderLabels([self.tr("Path to folder"),
self.tr("Tag name"),
self.tr("Tag value")
])
def reloadFields(self):
self.cmbTags.clear()
self.cmbValues.clear()
layer = utils.getVectorLayerByName(self.cmbLayers.currentText())
fields = utils.getFieldNames(layer)
self.cmbTags.addItems(fields)
self.cmbValues.addItems(fields)
self.resetTagsEditor()
self.resetValuesEditor()
def resetTagsEditor(self):
myLayer = utils.getVectorLayerByName(self.cmbLayers.currentText())
self.tagDelegate = uniquevaluesdelegate.UniqueValuesDelegate(layer=myLayer, field=self.cmbTags.currentText())
self.tableView.setItemDelegateForColumn(1, self.tagDelegate)
def resetValuesEditor(self):
myLayer = utils.getVectorLayerByName(self.cmbLayers.currentText())
self.valuesDelegate = uniquevaluesdelegate.UniqueValuesDelegate(layer=myLayer, field=self.cmbValues.currentText())
self.tableView.setItemDelegateForColumn(2, self.valuesDelegate)
def addRow(self):
self.model.appendRow([QStandardItem(""),
QStandardItem(""),
QStandardItem("")
])
def deleteRow(self):
indexes = self.tableView.selectionModel().selectedIndexes()
if len(indexes) > 0:
self.model.removeRows(indexes[0].row(), 1)
def clearAll(self):
self.model.clear()
self.setTableHeader()
self.toggleButtons()
def selectConfigFile(self):
settings = QSettings("Faunalia", "Geotagphotos")
lastDir = settings.value("ui/lastConfigDir", "")
fileName = QFileDialog.getOpenFileName(None,
self.tr("Select config file"),
lastDir,
self.tr("All files (*)")
)
if fileName == "":
return
self.leConfigFile.setText(fileName)
settings.setValue("ui/lastConfigDir", os.path.dirname(unicode(fileName)))
def toggleButtons(self):
rows = self.model.rowCount()
if rows == 0:
self.btnDeleteRow.setEnabled(False)
self.btnClearAll.setEnabled(False)
else:
self.btnDeleteRow.setEnabled(True)
self.btnClearAll.setEnabled(True)
def accept(self):
# check if all necessary data entered
rows = self.model.rowCount()
if rows == 0:
QMessageBox.warning(self,
self.tr("No data found"),
self.tr("Seems there are no data loaded. Please populate table first."))
return
noTags = True
for r in xrange(rows):
item = self.model.item(r, 1)
if item and item.text() != "":
noTags = False
break
if noTags:
QMessageBox.warning(self,
self.tr("No tags specified"),
self.tr("Please specify tags to add/modify."))
return
if self.workThread is not None:
QMessageBox.warning(self,
self.tr("Active process found"),
self.tr("Running process found. Please wait until it finished."))
return
# config file
cfgFile = self.leConfigFile.text()
if cfgFile == "":
cfgFile = utils.getConfigPath()
# tagging
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.btnOk.setEnabled(False)
self.workThread = tagphotosthread.TagPhotosThread(self.model, cfgFile)
self.workThread.rangeChanged.connect(self.setProgressRange)
self.workThread.updateProgress.connect(self.updateProgress)
self.workThread.processFinished.connect(self.processFinished)
self.workThread.processInterrupted.connect(self.processInterrupted)
self.btnClose.setText(self.tr("Cancel"))
self.buttonBox.rejected.disconnect(self.reject)
self.btnClose.clicked.connect(self.stopProcessing)
self.workThread.start()
def reject(self):
QDialog.reject(self)
def stopProcessing(self):
if self.workThread is not None:
self.workThread.stop()
self.workThread = None
def setProgressRange(self, data):
if data[0] != "":
self.progressBar.setFormat(data[0])
self.progressBar.setRange(0, data[1])
def updateProgress(self):
self.progressBar.setValue(self.progressBar.value() + 1)
def processFinished(self):
self.stopProcessing()
self.restoreGui()
QMessageBox.information(self,
self.tr("Geotag and import photos"),
self.tr("Tagging completed!"))
def processInterrupted(self):
self.restoreGui()
def restoreGui(self):
self.progressBar.setFormat("%p%")
self.progressBar.setRange(0, 1)
self.progressBar.setValue(0)
self.buttonBox.rejected.connect(self.reject)
self.btnClose.clicked.disconnect(self.stopProcessing)
self.btnClose.setText(self.tr("Close"))
self.btnOk.setEnabled(True)
QApplication.restoreOverrideCursor()