QGIS/python/plugins/processing/gui/BatchOutputSelectionPanel.py

145 lines
6.5 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
BatchOutputSelectionPanel.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot 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. *
* *
***************************************************************************
"""
__author__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
import os
import re
from qgis.core import (QgsMapLayer,
QgsSettings,
QgsProcessingParameterFolderDestination,
QgsProcessingParameterRasterLayer,
QgsProcessingParameterFeatureSource,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterMultipleLayers,
QgsProcessingParameterBoolean,
QgsProcessingParameterEnum,
QgsProcessingParameterMatrix)
from qgis.PyQt.QtWidgets import QWidget, QPushButton, QLineEdit, QHBoxLayout, QSizePolicy, QFileDialog
from processing.gui.AutofillDialog import AutofillDialog
from processing.gui.ParameterGuiUtils import getFileFilter
class BatchOutputSelectionPanel(QWidget):
def __init__(self, output, alg, row, col, panel):
super(BatchOutputSelectionPanel, self).__init__(None)
self.alg = alg
self.row = row
self.col = col
self.output = output
self.panel = panel
self.table = self.panel.tblParameters
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.text = QLineEdit()
self.text.setText('')
self.text.setMinimumWidth(300)
self.text.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.horizontalLayout.addWidget(self.text)
self.pushButton = QPushButton()
self.pushButton.setText('')
self.pushButton.clicked.connect(self.showSelectionDialog)
self.horizontalLayout.addWidget(self.pushButton)
self.setLayout(self.horizontalLayout)
def showSelectionDialog(self):
if isinstance(self.output, QgsProcessingParameterFolderDestination):
self.selectDirectory()
return
filefilter = getFileFilter(self.output)
settings = QgsSettings()
if settings.contains('/Processing/LastBatchOutputPath'):
path = str(settings.value('/Processing/LastBatchOutputPath'))
else:
path = ''
filename, selectedFileFilter = QFileDialog.getSaveFileName(self,
self.tr('Save File'), path, filefilter)
if filename:
if not filename.lower().endswith(
tuple(re.findall("\\*(\\.[a-z]{1,10})", filefilter))):
ext = re.search("\\*(\\.[a-z]{1,10})", selectedFileFilter)
if ext:
filename += ext.group(1)
settings.setValue('/Processing/LastBatchOutputPath', os.path.dirname(filename))
dlg = AutofillDialog(self.alg)
dlg.exec_()
if dlg.mode is not None:
if dlg.mode == AutofillDialog.DO_NOT_AUTOFILL:
self.table.cellWidget(self.row,
self.col).setValue(filename)
elif dlg.mode == AutofillDialog.FILL_WITH_NUMBERS:
n = self.table.rowCount() - self.row
for i in range(n):
name = filename[:filename.rfind('.')] \
+ str(i + 1) + filename[filename.rfind('.'):]
self.table.cellWidget(i + self.row,
self.col).setValue(name)
elif dlg.mode == AutofillDialog.FILL_WITH_PARAMETER:
for row in range(self.row, self.table.rowCount()):
v = self.panel.valueForParameter(row - 1, dlg.param_name)
param = self.alg.parameterDefinition(dlg.param_name)
if isinstance(param, (QgsProcessingParameterRasterLayer,
QgsProcessingParameterFeatureSource,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterMultipleLayers)):
if isinstance(v, QgsMapLayer):
s = v.name()
else:
s = os.path.basename(v)
s = os.path.splitext(s)[0]
elif isinstance(param, QgsProcessingParameterBoolean):
s = 'true' if v else 'false'
elif isinstance(param, QgsProcessingParameterEnum):
s = param.options()[v]
else:
s = str(v)
name = filename[:filename.rfind('.')] + s \
+ filename[filename.rfind('.'):]
self.table.cellWidget(row,
self.col).setValue(name)
def selectDirectory(self):
settings = QgsSettings()
if settings.contains('/Processing/LastBatchOutputPath'):
lastDir = str(settings.value('/Processing/LastBatchOutputPath'))
else:
lastDir = ''
dirName = QFileDialog.getExistingDirectory(self,
self.tr('Output Directory'), lastDir, QFileDialog.ShowDirsOnly)
if dirName:
self.table.cellWidget(self.row, self.col).setValue(dirName)
settings.setValue('/Processing/LastBatchOutputPath', dirName)
def setValue(self, text):
return self.text.setText(text)
def getValue(self):
return str(self.text.text())