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