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281 lines
12 KiB
Python
281 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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BatchPanel.py
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---------------------
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Date : November 2014
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Copyright : (C) 2014 by Alexander Bruy
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Email : alexander dot bruy at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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from builtins import range
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__author__ = 'Alexander Bruy'
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__date__ = 'November 2014'
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__copyright__ = '(C) 2014, Alexander Bruy'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import json
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from qgis.PyQt import uic
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from qgis.PyQt.QtWidgets import QTableWidgetItem, QComboBox, QHeaderView, QFileDialog, QMessageBox
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from qgis.core import (QgsApplication,
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QgsProcessingParameterDefinition)
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from qgis.gui import QgsMessageBar
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from processing.gui.wrappers import WidgetWrapperFactory
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from processing.gui.BatchOutputSelectionPanel import BatchOutputSelectionPanel
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from processing.core.parameters import ParameterFile # NOQA
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from processing.core.parameters import ParameterRaster # NOQA
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from processing.core.parameters import ParameterTable # NOQA
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from processing.core.parameters import ParameterVector # NOQA
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from processing.core.parameters import ParameterExtent # NOQA
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from processing.core.parameters import ParameterCrs # NOQA
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from processing.core.parameters import ParameterPoint # NOQA
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from processing.core.parameters import ParameterSelection # NOQA
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from processing.core.parameters import ParameterFixedTable # NOQA
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from processing.core.parameters import ParameterMultipleInput # NOQA
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from processing.tools import dataobjects
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, 'ui', 'widgetBatchPanel.ui'))
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class BatchPanel(BASE, WIDGET):
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PARAMETERS = "PARAMETERS"
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OUTPUTS = "OUTPUTS"
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def __init__(self, parent, alg):
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super(BatchPanel, self).__init__(None)
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self.setupUi(self)
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self.wrappers = []
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self.btnAdvanced.hide()
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# Set icons
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self.btnAdd.setIcon(QgsApplication.getThemeIcon('/symbologyAdd.svg'))
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self.btnRemove.setIcon(QgsApplication.getThemeIcon('/symbologyRemove.svg'))
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self.btnOpen.setIcon(QgsApplication.getThemeIcon('/mActionFileOpen.svg'))
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self.btnSave.setIcon(QgsApplication.getThemeIcon('/mActionFileSave.svg'))
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self.btnAdvanced.setIcon(QgsApplication.getThemeIcon("/processingAlgorithm.svg"))
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self.alg = alg
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self.parent = parent
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self.btnAdd.clicked.connect(self.addRow)
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self.btnRemove.clicked.connect(self.removeRows)
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self.btnOpen.clicked.connect(self.load)
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self.btnSave.clicked.connect(self.save)
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self.btnAdvanced.toggled.connect(self.toggleAdvancedMode)
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self.tblParameters.horizontalHeader().sectionDoubleClicked.connect(
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self.fillParameterValues)
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self.initWidgets()
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def layerRegistryChanged(self):
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pass
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def initWidgets(self):
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# If there are advanced parameters — show corresponding button
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for param in self.alg.parameters:
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if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
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self.btnAdvanced.show()
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break
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# Determine column count
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nOutputs = len(self.alg.destinationParameterDefinitions()) + 1
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if nOutputs == 1:
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nOutputs = 0
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self.tblParameters.setColumnCount(
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self.alg.countVisibleParameters())
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# Table headers
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column = 0
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for param in self.alg.parameterDefinitions():
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if param.isDestination():
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continue
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self.tblParameters.setHorizontalHeaderItem(
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column, QTableWidgetItem(param.description()))
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if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
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self.tblParameters.setColumnHidden(column, True)
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column += 1
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for out in self.alg.destinationParameterDefinitions():
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if not out.flags() & QgsProcessingParameterDefinition.FlagHidden:
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self.tblParameters.setHorizontalHeaderItem(
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column, QTableWidgetItem(out.description()))
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column += 1
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# Last column for indicating if output will be added to canvas
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if len(self.alg.destinationParameterDefinitions()) > 0:
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self.tblParameters.setHorizontalHeaderItem(
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column, QTableWidgetItem(self.tr('Load in QGIS')))
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# Add three empty rows by default
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for i in range(3):
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self.addRow()
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self.tblParameters.horizontalHeader().setSectionResizeMode(QHeaderView.Interactive)
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self.tblParameters.horizontalHeader().setDefaultSectionSize(250)
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self.tblParameters.horizontalHeader().setMinimumSectionSize(150)
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self.tblParameters.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
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self.tblParameters.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
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self.tblParameters.horizontalHeader().setStretchLastSection(True)
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def load(self):
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filename, selected_filter = QFileDialog.getOpenFileName(self,
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self.tr('Open batch'), None,
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self.tr('JSON files (*.json)'))
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if filename:
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with open(filename) as f:
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values = json.load(f)
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else:
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# If the user clicked on the cancel button.
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return
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self.tblParameters.setRowCount(0)
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try:
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for row, alg in enumerate(values):
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self.addRow()
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params = alg[self.PARAMETERS]
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outputs = alg[self.OUTPUTS]
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column = 0
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for param in self.alg.parameterDefinitions():
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if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
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continue
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if param.name() in params:
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value = params[param.name()].strip('"')
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wrapper = self.wrappers[row][column]
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wrapper.setValue(value)
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column += 1
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for out in self.alg.outputs:
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if out.flags() & QgsProcessingParameterDefinition.FlagHidden:
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continue
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if out.name() in outputs:
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value = outputs[out.name()].strip('"')
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widget = self.tblParameters.cellWidget(row, column)
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widget.setValue(value)
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column += 1
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except TypeError:
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QMessageBox.critical(
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self,
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self.tr('Error'),
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self.tr('An error occurred while reading your file.'))
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def save(self):
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toSave = []
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context = dataobjects.createContext()
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for row in range(self.tblParameters.rowCount()):
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algParams = {}
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algOutputs = {}
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col = 0
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alg = self.alg
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for param in alg.parameterDefinitions():
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if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
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continue
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wrapper = self.wrappers[row][col]
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if not param.checkValueIsAcceptable(wrapper.value, context):
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self.parent.bar.pushMessage("", self.tr('Wrong or missing parameter value: {0} (row {1})').format(
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param.description(), row + 1),
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level=QgsMessageBar.WARNING, duration=5)
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return
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algParams[param.name()] = param.getValueAsCommandLineParameter()
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col += 1
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for out in alg.outputs:
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if out.flags() & QgsProcessingParameterDefinition.FlagHidden:
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continue
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widget = self.tblParameters.cellWidget(row, col)
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text = widget.getValue()
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if text.strip() != '':
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algOutputs[out.name] = text.strip()
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col += 1
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else:
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self.parent.bar.pushMessage("", self.tr('Wrong or missing output value: {0} (row {1})').format(
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out.description(), row + 1),
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level=QgsMessageBar.WARNING, duration=5)
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return
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toSave.append({self.PARAMETERS: algParams, self.OUTPUTS: algOutputs})
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filename, __ = QFileDialog.getSaveFileName(self,
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self.tr('Save batch'),
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None,
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self.tr('JSON files (*.json)'))
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if filename:
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if not filename.endswith('.json'):
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filename += '.json'
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with open(filename, 'w') as f:
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json.dump(toSave, f)
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def setCellWrapper(self, row, column, wrapper):
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self.wrappers[row][column] = wrapper
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self.tblParameters.setCellWidget(row, column, wrapper.widget)
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def addRow(self):
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self.wrappers.append([None] * self.tblParameters.columnCount())
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self.tblParameters.setRowCount(self.tblParameters.rowCount() + 1)
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wrappers = {}
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row = self.tblParameters.rowCount() - 1
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column = 0
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for param in self.alg.parameterDefinitions():
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if param.flags() & QgsProcessingParameterDefinition.FlagHidden or param.isDestination():
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continue
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wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent, row, column)
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wrappers[param.name()] = wrapper
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self.setCellWrapper(row, column, wrapper)
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column += 1
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for out in self.alg.destinationParameterDefinitions():
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if out.flags() & QgsProcessingParameterDefinition.FlagHidden:
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continue
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self.tblParameters.setCellWidget(
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row, column, BatchOutputSelectionPanel(
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out, self.alg, row, column, self))
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column += 1
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if len(self.alg.destinationParameterDefinitions()) > 0:
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item = QComboBox()
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item.addItem(self.tr('Yes'))
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item.addItem(self.tr('No'))
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item.setCurrentIndex(0)
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self.tblParameters.setCellWidget(row, column, item)
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for wrapper in list(wrappers.values()):
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wrapper.postInitialize(list(wrappers.values()))
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def removeRows(self):
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if self.tblParameters.rowCount() > 2:
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self.wrappers.pop()
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self.tblParameters.setRowCount(self.tblParameters.rowCount() - 1)
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def fillParameterValues(self, column):
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wrapper = self.wrappers[0][column]
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for row in range(1, self.tblParameters.rowCount()):
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self.wrappers[row][column].setValue(wrapper.value())
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def toggleAdvancedMode(self, checked):
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for column, param in enumerate(self.alg.parameters):
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if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
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self.tblParameters.setColumnHidden(column, not checked)
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