QGIS/python/plugins/processing/gui/BatchAlgorithmDialog.py
2016-09-04 17:58:17 +02:00

169 lines
6.0 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
BatchAlgorithmDialog.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'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.PyQt.QtWidgets import QApplication, QMessageBox
from qgis.PyQt.QtGui import QCursor
from qgis.PyQt.QtCore import Qt
from processing.gui.BatchPanel import BatchPanel
from processing.gui.AlgorithmDialogBase import AlgorithmDialogBase
from processing.gui.AlgorithmExecutor import runalg
from processing.gui.Postprocessing import handleAlgorithmResults
from processing.core.ProcessingResults import ProcessingResults
from processing.core.parameters import ParameterExtent
from processing.core.outputs import OutputNumber
from processing.core.outputs import OutputString
from processing.core.outputs import OutputHTML
from processing.tools.system import getTempFilename
import codecs
class BatchAlgorithmDialog(AlgorithmDialogBase):
def __init__(self, alg):
AlgorithmDialogBase.__init__(self, alg)
self.alg = alg
self.setWindowTitle(self.tr('Batch Processing - %s') % self.alg.name)
self.mainWidget = BatchPanel(self, self.alg)
self.setMainWidget()
self.textShortHelp.setVisible(False)
def accept(self):
self.algs = []
self.load = []
self.canceled = False
for row in range(self.mainWidget.tblParameters.rowCount()):
alg = self.alg.getCopy()
col = 0
for param in alg.parameters:
if param.hidden:
continue
widget = self.mainWidget.tblParameters.cellWidget(row, col)
if not self.mainWidget.setParamValue(param, widget, alg):
self.lblProgress.setText(
self.tr('<b>Missing parameter value: %s (row %d)</b>') % (param.description, row + 1))
self.algs = None
return
col += 1
for out in alg.outputs:
if out.hidden:
continue
widget = self.mainWidget.tblParameters.cellWidget(row, col)
text = widget.getValue()
if text.strip() != '':
out.value = text
col += 1
else:
self.lblProgress.setText(
self.tr('<b>Wrong or missing parameter value: %s (row %d)</b>') % (out.description, row + 1))
self.algs = None
return
self.algs.append(alg)
if self.alg.getVisibleOutputsCount():
widget = self.mainWidget.tblParameters.cellWidget(row, col)
self.load.append(widget.currentIndex() == 0)
else:
self.load.append(False)
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.mainWidget.setEnabled(False)
self.progressBar.setMaximum(len(self.algs))
# Make sure the Log tab is visible before executing the algorithm
try:
self.tabWidget.setCurrentIndex(1)
self.repaint()
except:
pass
for count, alg in enumerate(self.algs):
self.setText(self.tr('\nProcessing algorithm %d/%d...') % (count + 1, len(self.algs)))
self.setInfo(self.tr('<b>Algorithm %s starting...</b>' % alg.name))
if runalg(alg, self) and not self.canceled:
if self.load[count]:
handleAlgorithmResults(alg, self, False)
self.setInfo(self.tr('Algorithm %s correctly executed...') % alg.name)
else:
QApplication.restoreOverrideCursor()
return
self.finish()
def finish(self):
for count, alg in enumerate(self.algs):
self.loadHTMLResults(alg, count)
self.createSummaryTable()
QApplication.restoreOverrideCursor()
self.mainWidget.setEnabled(True)
QMessageBox.information(self, self.tr('Batch processing'),
self.tr('Batch processing completed'))
def loadHTMLResults(self, alg, num):
for out in alg.outputs:
if out.hidden or not out.open:
continue
if isinstance(out, OutputHTML):
ProcessingResults.addResult(
'{} [{}]'.format(out.description, num), out.value)
def createSummaryTable(self):
createTable = False
for out in self.algs[0].outputs:
if isinstance(out, (OutputNumber, OutputString)):
createTable = True
break
if not createTable:
return
outputFile = getTempFilename('html')
with codecs.open(outputFile, 'w', encoding='utf-8') as f:
for alg in self.algs:
f.write('<hr>\n')
for out in alg.outputs:
if isinstance(out, (OutputNumber, OutputString)):
f.write('<p>{}: {}</p>\n'.format(out.description, out.value))
f.write('<hr>\n')
ProcessingResults.addResult(
'{} [summary]'.format(self.algs[0].name), outputFile)