# -*- coding: utf-8 -*- """ *************************************************************************** ModelerParameterDefinitionDialog.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__ = '$Format:%H$' import math from PyQt4.QtCore import * from PyQt4.QtGui import * from processing.core.parameters import Parameter from processing.core.parameters import ParameterBoolean from processing.core.parameters import ParameterRaster from processing.core.parameters import ParameterTable from processing.core.parameters import ParameterVector from processing.core.parameters import ParameterMultipleInput from processing.core.parameters import ParameterNumber from processing.core.parameters import ParameterString from processing.core.parameters import ParameterTableField from processing.core.parameters import ParameterExtent from processing.core.parameters import ParameterFile class ModelerParameterDefinitionDialog(QDialog): PARAMETER_NUMBER = 'Number' PARAMETER_RASTER = 'Raster layer' PARAMETER_TABLE = 'Table' PARAMETER_VECTOR = 'Vector layer' PARAMETER_STRING = 'String' PARAMETER_BOOLEAN = 'Boolean' PARAMETER_TABLE_FIELD = 'Table field' PARAMETER_EXTENT = 'Extent' PARAMETER_FILE = 'File' # To add PARAMETER_MULTIPLE = 'Multiple input' PARAMETER_FIXED_TABLE = 'Fixed table' paramTypes = [ PARAMETER_BOOLEAN, PARAMETER_EXTENT, PARAMETER_FILE, PARAMETER_NUMBER, PARAMETER_RASTER, PARAMETER_STRING, PARAMETER_TABLE, PARAMETER_TABLE_FIELD, PARAMETER_VECTOR, ] def __init__(self, alg, paramType=None, param=None): self.alg = alg self.paramType = paramType self.param = param QDialog.__init__(self) self.setModal(True) self.setupUi() def setupUi(self): self.setWindowTitle(self.tr('Parameter definition')) self.verticalLayout = QVBoxLayout(self) self.verticalLayout.setSpacing(40) self.verticalLayout.setMargin(20) self.horizontalLayout = QHBoxLayout(self) self.horizontalLayout.setSpacing(2) self.horizontalLayout.setMargin(0) self.label = QLabel(self.tr('Parameter name')) self.horizontalLayout.addWidget(self.label) self.nameTextBox = QLineEdit() self.horizontalLayout.addWidget(self.nameTextBox) self.verticalLayout.addLayout(self.horizontalLayout) self.horizontalLayout2 = QHBoxLayout(self) self.horizontalLayout2.setSpacing(2) self.horizontalLayout2.setMargin(0) self.horizontalLayout3 = QHBoxLayout(self) self.horizontalLayout3.setSpacing(2) self.horizontalLayout3.setMargin(0) if isinstance(self.param, Parameter): self.nameTextBox.setText(self.param.description) if self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \ or isinstance(self.param, ParameterBoolean): self.state = QCheckBox() self.state.setText(self.tr('Checked')) self.state.setChecked(False) if self.param is not None: self.state.setChecked(True if self.param.value else False) self.horizontalLayout2.addWidget(self.state) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD \ or isinstance(self.param, ParameterTableField): self.horizontalLayout2.addWidget(QLabel(self.tr('Parent layer'))) self.parentCombo = QComboBox() idx = 0 for param in self.alg.inputs.values(): if isinstance(param.param, (ParameterVector, ParameterTable)): self.parentCombo.addItem(param.param.description, param.param.name) if self.param is not None: if self.param.parent == param.param.name: self.parentCombo.setCurrentIndex(idx) idx += 1 self.horizontalLayout2.addWidget(self.parentCombo) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_RASTER \ or isinstance(self.param, ParameterRaster): self.horizontalLayout2.addWidget(QLabel(self.tr('Required'))) self.yesNoCombo = QComboBox() self.yesNoCombo.addItem(self.tr('Yes')) self.yesNoCombo.addItem(self.tr('No')) if self.param is not None: self.yesNoCombo.setCurrentIndex( (1 if self.param.optional else 0)) self.horizontalLayout2.addWidget(self.yesNoCombo) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_TABLE \ or isinstance(self.param, ParameterTable): self.horizontalLayout2.addWidget(QLabel(self.tr('Required'))) self.yesNoCombo = QComboBox() self.yesNoCombo.addItem(self.tr('Yes')) self.yesNoCombo.addItem(self.tr('No')) if self.param is not None: self.yesNoCombo.setCurrentIndex( (1 if self.param.optional else 0)) self.horizontalLayout2.addWidget(self.yesNoCombo) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_VECTOR \ or isinstance(self.param, ParameterVector): self.horizontalLayout2.addWidget(QLabel(self.tr('Required'))) self.yesNoCombo = QComboBox() self.yesNoCombo.addItem(self.tr('Yes')) self.yesNoCombo.addItem(self.tr('No')) self.horizontalLayout2.addWidget(self.yesNoCombo) self.horizontalLayout3.addWidget(QLabel(self.tr('Shape type'))) self.shapetypeCombo = QComboBox() self.shapetypeCombo.addItem(self.tr('Any')) self.shapetypeCombo.addItem(self.tr('Point')) self.shapetypeCombo.addItem(self.tr('Line')) self.shapetypeCombo.addItem(self.tr('Polygon')) if self.param is not None: self.yesNoCombo.setCurrentIndex( (1 if self.param.optional else 0)) self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1) self.horizontalLayout3.addWidget(self.shapetypeCombo) self.verticalLayout.addLayout(self.horizontalLayout3) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE \ or isinstance(self.param, ParameterMultipleInput): self.horizontalLayout2.addWidget(QLabel(self.tr('Mandatory'))) self.yesNoCombo = QComboBox() self.yesNoCombo.addItem(self.tr('Yes')) self.yesNoCombo.addItem(self.tr('No')) self.horizontalLayout2.addWidget(self.yesNoCombo) self.horizontalLayout3.addWidget(QLabel(self.tr('Data type'))) self.datatypeCombo = QComboBox() self.datatypeCombo.addItem(self.tr('Vector (any)')) self.datatypeCombo.addItem(self.tr('Vector (point)')) self.datatypeCombo.addItem(self.tr('Vector (line)')) self.datatypeCombo.addItem(self.tr('Vector (polygon)')) self.datatypeCombo.addItem(self.tr('Raster')) self.datatypeCombo.addItem(self.tr('Table')) if self.param is not None: self.yesNoCombo.setCurrentIndex( (1 if self.param.optional else 0)) self.datatypeCombo.setCurrentIndex(self.param.datatype + 1) self.horizontalLayout3.addWidget(self.datatypeCombo) self.verticalLayout.addLayout(self.horizontalLayout3) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_NUMBER \ or isinstance(self.param, ParameterNumber): self.horizontalLayout2.addWidget(QLabel(self.tr('Min/Max values'))) self.minTextBox = QLineEdit() self.maxTextBox = QLineEdit() if self.param is not None: self.minTextBox.setText(str(self.param.min)) self.maxTextBox.setText(str(self.param.max)) self.horizontalLayout2.addWidget(self.minTextBox) self.horizontalLayout2.addWidget(self.maxTextBox) self.verticalLayout.addLayout(self.horizontalLayout2) self.horizontalLayout3.addWidget(QLabel(self.tr('Default value'))) self.defaultTextBox = QLineEdit() self.defaultTextBox.setText(self.tr('0')) if self.param is not None: default = self.param.default if self.param.isInteger: default = int(math.floor(default)) self.defaultTextBox.setText(str(default)) self.horizontalLayout3.addWidget(self.defaultTextBox) self.verticalLayout.addLayout(self.horizontalLayout3) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_STRING \ or isinstance(self.param, ParameterString): self.horizontalLayout2.addWidget(QLabel(self.tr('Default value'))) self.defaultTextBox = QLineEdit() if self.param is not None: self.defaultTextBox.setText(self.param.default) self.horizontalLayout2.addWidget(self.defaultTextBox) self.verticalLayout.addLayout(self.horizontalLayout2) elif self.paramType == \ ModelerParameterDefinitionDialog.PARAMETER_FILE \ or isinstance(self.param, ParameterFile): self.horizontalLayout2.addWidget(QLabel(self.tr('Type'))) self.fileFolderCombo = QComboBox() self.fileFolderCombo.addItem(self.tr('File')) self.fileFolderCombo.addItem(self.tr('Folder')) if self.param is not None: self.fileFolderCombo.setCurrentIndex( (1 if self.param.isFolder else 0)) self.horizontalLayout2.addWidget(self.fileFolderCombo) self.verticalLayout.addLayout(self.horizontalLayout2) self.buttonBox = QDialogButtonBox(self) self.buttonBox.setOrientation(Qt.Horizontal) self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok) self.buttonBox.setObjectName('buttonBox') self.buttonBox.accepted.connect(self.okPressed) self.buttonBox.rejected.connect(self.cancelPressed) self.verticalLayout.addWidget(self.buttonBox) self.setLayout(self.verticalLayout) def okPressed(self): description = unicode(self.nameTextBox.text()) if description.strip() == '': QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Invalid parameter name')) return if self.param is None: validChars = \ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' safeName = ''.join(c for c in description if c in validChars) name = self.paramType.upper().replace(' ', '') + '_' \ + safeName.upper() else: name = self.param.name if self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \ or isinstance(self.param, ParameterBoolean): self.param = ParameterBoolean(name, description, self.state.isChecked()) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD \ or isinstance(self.param, ParameterTableField): if self.parentCombo.currentIndex() < 0: QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Wrong or missing parameter values')) return parent = self.parentCombo.itemData(self.parentCombo.currentIndex()) self.param = ParameterTableField(name, description, parent) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_RASTER \ or isinstance(self.param, ParameterRaster): self.param = ParameterRaster(name, description, self.yesNoCombo.currentIndex() == 1) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_TABLE \ or isinstance(self.param, ParameterTable): self.param = ParameterTable(name, description, self.yesNoCombo.currentIndex() == 1) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_VECTOR \ or isinstance(self.param, ParameterVector): self.param = ParameterVector(name, description, [self.shapetypeCombo.currentIndex() - 1], self.yesNoCombo.currentIndex() == 1) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE \ or isinstance(self.param, ParameterMultipleInput): self.param = ParameterMultipleInput(name, description, self.datatypeCombo.currentIndex() - 1, self.yesNoCombo.currentIndex() == 1) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_NUMBER \ or isinstance(self.param, ParameterNumber): try: vmin = str(self.minTextBox.text()).strip() if vmin == '': vmin = None else: vmin = float(vmin) vmax = str(self.maxTextBox.text()).strip() if vmax == '': vmax = None else: vmax = float(vmax) self.param = ParameterNumber(name, description, vmin, vmax, str(self.defaultTextBox.text())) except: QMessageBox.warning(self, self.tr('Unable to define parameter'), self.tr('Wrong or missing parameter values')) return elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_STRING \ or isinstance(self.param, ParameterString): self.param = ParameterString(name, description, unicode(self.defaultTextBox.text())) elif self.paramType \ == ModelerParameterDefinitionDialog.PARAMETER_EXTENT \ or isinstance(self.param, ParameterExtent): self.param = ParameterExtent(name, description) elif self.paramType == \ ModelerParameterDefinitionDialog.PARAMETER_FILE \ or isinstance(self.param, ParameterFile): isFolder = self.fileFolderCombo.currentIndex() == 1 self.param = ParameterFile(name, description, isFolder=isFolder) self.close() def cancelPressed(self): self.param = None self.close()