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364 lines
18 KiB
Python
364 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ModelerParameterDefinitionDialog.py
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---------------------
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Date : August 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf 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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__author__ = 'Victor Olaya'
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__date__ = 'August 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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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 math
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from qgis.PyQt.QtCore import Qt
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from qgis.PyQt.QtWidgets import QDialog, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, QComboBox, QCheckBox, QDialogButtonBox, QMessageBox
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from processing.core.parameters import (Parameter,
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ParameterBoolean,
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ParameterRaster,
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ParameterTable,
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ParameterVector,
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ParameterMultipleInput,
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ParameterNumber,
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ParameterString,
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ParameterTableField,
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ParameterExtent,
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ParameterFile,
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ParameterPoint,
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ParameterTableMultipleField)
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class ModelerParameterDefinitionDialog(QDialog):
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PARAMETER_NUMBER = 'Number'
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PARAMETER_RASTER = 'Raster layer'
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PARAMETER_TABLE = 'Table'
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PARAMETER_VECTOR = 'Vector layer'
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PARAMETER_STRING = 'String'
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PARAMETER_BOOLEAN = 'Boolean'
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PARAMETER_TABLE_FIELD = 'Table field'
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PARAMETER_TABLE_MULTIPLE_FIELD = 'Table multiple field'
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PARAMETER_EXTENT = 'Extent'
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PARAMETER_FILE = 'File'
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PARAMETER_POINT = 'Point'
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# To add
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PARAMETER_MULTIPLE = 'Multiple input'
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PARAMETER_FIXED_TABLE = 'Fixed table'
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paramTypes = [
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PARAMETER_BOOLEAN,
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PARAMETER_EXTENT,
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PARAMETER_FILE,
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PARAMETER_NUMBER,
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PARAMETER_RASTER,
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PARAMETER_STRING,
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PARAMETER_TABLE,
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PARAMETER_TABLE_FIELD,
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PARAMETER_TABLE_MULTIPLE_FIELD,
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PARAMETER_VECTOR,
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PARAMETER_POINT
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]
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def __init__(self, alg, paramType=None, param=None):
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self.alg = alg
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self.paramType = paramType
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self.param = param
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QDialog.__init__(self)
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self.setModal(True)
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self.setupUi()
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def setupUi(self):
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self.setWindowTitle(self.tr('Parameter definition'))
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self.verticalLayout = QVBoxLayout(self)
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self.verticalLayout.setSpacing(40)
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self.verticalLayout.setMargin(20)
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self.horizontalLayoutName = QHBoxLayout(self)
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self.horizontalLayoutName.setSpacing(2)
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self.horizontalLayoutName.setMargin(0)
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self.label = QLabel(self.tr('Parameter name'))
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self.horizontalLayoutName.addWidget(self.label)
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self.nameTextBox = QLineEdit()
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self.horizontalLayoutName.addWidget(self.nameTextBox)
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self.verticalLayout.addLayout(self.horizontalLayoutName)
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self.horizontalLayoutRequired = QHBoxLayout(self)
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self.horizontalLayoutRequired.setSpacing(2)
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self.horizontalLayoutRequired.setMargin(0)
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self.horizontalLayoutParent = QHBoxLayout(self)
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self.horizontalLayoutParent.setSpacing(2)
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self.horizontalLayoutParent.setMargin(0)
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self.horizontalLayoutDefault = QHBoxLayout(self)
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self.horizontalLayoutDefault.setSpacing(2)
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self.horizontalLayoutDefault.setMargin(0)
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self.horizontalLayoutDatatype = QHBoxLayout(self)
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self.horizontalLayoutDatatype.setSpacing(2)
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self.horizontalLayoutDatatype.setMargin(0)
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if isinstance(self.param, Parameter):
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self.nameTextBox.setText(self.param.description)
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if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
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isinstance(self.param, ParameterBoolean):
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self.state = QCheckBox()
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self.state.setText(self.tr('Checked'))
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self.state.setChecked(False)
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if self.param is not None:
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self.state.setChecked(True if self.param.value else False)
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self.horizontalLayoutParent.addWidget(self.state)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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elif self.paramType in (
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ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
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ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
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or isinstance(self.param, (ParameterTableField,
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ParameterTableMultipleField)):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Parent layer')))
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self.parentCombo = QComboBox()
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idx = 0
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for param in self.alg.inputs.values():
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if isinstance(param.param, (ParameterVector, ParameterTable)):
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self.parentCombo.addItem(param.param.description, param.param.name)
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if self.param is not None:
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if self.param.parent == param.param.name:
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self.parentCombo.setCurrentIndex(idx)
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idx += 1
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self.horizontalLayoutParent.addWidget(self.parentCombo)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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# add the datatype selector
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self.horizontalLayoutDatatype.addWidget(QLabel(self.tr('Allowed '
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'data type')))
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self.datatypeCombo = QComboBox()
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self.datatypeCombo.addItem(self.tr('Any'), -1)
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self.datatypeCombo.addItem(self.tr('Number'), 0)
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self.datatypeCombo.addItem(self.tr('String'), 1)
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self.horizontalLayoutDatatype.addWidget(self.datatypeCombo)
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if self.param is not None and self.param.datatype is not None:
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# QComboBoxes indexes start at 0,
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# self.param.datatype start with -1 that is why I need to do +1
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datatype_index = self.param.datatype + 1
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self.datatypeCombo.setCurrentIndex(datatype_index)
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self.verticalLayout.addLayout(self.horizontalLayoutDatatype)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
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isinstance(self.param, ParameterVector):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Shape type')))
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self.shapetypeCombo = QComboBox()
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self.shapetypeCombo.addItem(self.tr('Any'))
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self.shapetypeCombo.addItem(self.tr('Point'))
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self.shapetypeCombo.addItem(self.tr('Line'))
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self.shapetypeCombo.addItem(self.tr('Polygon'))
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if self.param is not None:
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self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1)
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self.horizontalLayoutParent.addWidget(self.shapetypeCombo)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
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isinstance(self.param, ParameterMultipleInput):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Data type')))
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self.datatypeCombo = QComboBox()
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self.datatypeCombo.addItem(self.tr('Vector (any)'))
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self.datatypeCombo.addItem(self.tr('Vector (point)'))
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self.datatypeCombo.addItem(self.tr('Vector (line)'))
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self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
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self.datatypeCombo.addItem(self.tr('Raster'))
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self.datatypeCombo.addItem(self.tr('Table'))
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if self.param is not None:
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self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
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self.horizontalLayoutParent.addWidget(self.datatypeCombo)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
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isinstance(self.param, ParameterNumber):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Min/Max values')))
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self.minTextBox = QLineEdit()
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self.maxTextBox = QLineEdit()
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if self.param is not None:
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self.minTextBox.setText(unicode(self.param.min))
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self.maxTextBox.setText(unicode(self.param.max))
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self.horizontalLayoutParent.addWidget(self.minTextBox)
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self.horizontalLayoutParent.addWidget(self.maxTextBox)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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self.horizontalLayoutDefault.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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self.defaultTextBox.setText(self.tr('0'))
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if self.param is not None:
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default = self.param.default
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if self.param.isInteger:
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default = int(math.floor(default))
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self.defaultTextBox.setText(unicode(default))
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self.horizontalLayoutDefault.addWidget(self.defaultTextBox)
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self.verticalLayout.addLayout(self.horizontalLayoutDefault)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
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isinstance(self.param, ParameterString):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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if self.param is not None:
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self.defaultTextBox.setText(self.param.default)
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self.horizontalLayoutParent.addWidget(self.defaultTextBox)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
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isinstance(self.param, ParameterFile):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Type')))
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self.fileFolderCombo = QComboBox()
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self.fileFolderCombo.addItem(self.tr('File'))
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self.fileFolderCombo.addItem(self.tr('Folder'))
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if self.param is not None:
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self.fileFolderCombo.setCurrentIndex(
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1 if self.param.isFolder else 0)
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self.horizontalLayoutParent.addWidget(self.fileFolderCombo)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
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isinstance(self.param, ParameterPoint):
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self.horizontalLayoutParent.addWidget(QLabel(self.tr('Default value')))
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self.defaultTextBox = QLineEdit()
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if self.param is not None:
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self.defaultTextBox.setText(self.param.default)
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self.horizontalLayoutParent.addWidget(self.defaultTextBox)
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self.verticalLayout.addLayout(self.horizontalLayoutParent)
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self.horizontalLayoutRequired.addWidget(QLabel(self.tr('Required')))
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self.yesNoCombo = QComboBox()
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self.yesNoCombo.addItem(self.tr('Yes'))
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self.yesNoCombo.addItem(self.tr('No'))
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self.horizontalLayoutRequired.addWidget(self.yesNoCombo)
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if self.param is not None:
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self.yesNoCombo.setCurrentIndex(
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1 if self.param.optional else 0)
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self.verticalLayout.addLayout(self.horizontalLayoutRequired)
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self.buttonBox = QDialogButtonBox(self)
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self.buttonBox.setOrientation(Qt.Horizontal)
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self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
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| QDialogButtonBox.Ok)
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self.buttonBox.setObjectName('buttonBox')
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self.buttonBox.accepted.connect(self.okPressed)
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self.buttonBox.rejected.connect(self.cancelPressed)
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self.verticalLayout.addWidget(self.buttonBox)
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self.setLayout(self.verticalLayout)
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def okPressed(self):
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description = unicode(self.nameTextBox.text())
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if description.strip() == '':
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Invalid parameter name'))
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return
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if self.param is None:
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validChars = \
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'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
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safeName = ''.join(c for c in description if c in validChars)
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name = safeName.lower()
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i = 2
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while name in self.alg.inputs:
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name = safeName.lower() + str(i)
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else:
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name = self.param.name
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if self.paramType \
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== ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \
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or isinstance(self.param, ParameterBoolean):
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self.param = ParameterBoolean(name, description,
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self.state.isChecked())
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elif self.paramType in (
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ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD,
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ModelerParameterDefinitionDialog.PARAMETER_TABLE_MULTIPLE_FIELD)\
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or isinstance(self.param, (ParameterTableField,
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ParameterTableMultipleField)):
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if self.parentCombo.currentIndex() < 0:
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Wrong or missing parameter values'))
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return
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parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
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datatype = self.datatypeCombo.itemData(
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self.datatypeCombo.currentIndex())
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if (self.paramType ==
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ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or
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isinstance(self.param, ParameterTableField)):
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self.param = ParameterTableField(
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name, description, parent, datatype)
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else:
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self.param = ParameterTableMultipleField(
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name, description, parent, datatype)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or \
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isinstance(self.param, ParameterRaster):
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self.param = ParameterRaster(
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name, description,
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self.yesNoCombo.currentIndex() == 1)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or \
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isinstance(self.param, ParameterTable):
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self.param = ParameterTable(
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name, description,
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self.yesNoCombo.currentIndex() == 1)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
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isinstance(self.param, ParameterVector):
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self.param = ParameterVector(
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name, description,
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[self.shapetypeCombo.currentIndex() - 1],
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self.yesNoCombo.currentIndex() == 1)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
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isinstance(self.param, ParameterMultipleInput):
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self.param = ParameterMultipleInput(
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name, description,
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self.datatypeCombo.currentIndex() - 1,
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self.yesNoCombo.currentIndex() == 1)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
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isinstance(self.param, ParameterNumber):
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try:
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vmin = unicode(self.minTextBox.text()).strip()
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if vmin == '':
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vmin = None
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else:
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vmin = float(vmin)
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vmax = unicode(self.maxTextBox.text()).strip()
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if vmax == '':
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vmax = None
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else:
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vmax = float(vmax)
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self.param = ParameterNumber(name, description, vmin, vmax,
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unicode(self.defaultTextBox.text()))
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except:
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QMessageBox.warning(self, self.tr('Unable to define parameter'),
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self.tr('Wrong or missing parameter values'))
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return
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
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isinstance(self.param, ParameterString):
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self.param = ParameterString(name, description,
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unicode(self.defaultTextBox.text()))
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or \
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isinstance(self.param, ParameterExtent):
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self.param = ParameterExtent(name, description)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
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isinstance(self.param, ParameterFile):
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isFolder = self.fileFolderCombo.currentIndex() == 1
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self.param = ParameterFile(name, description, isFolder=isFolder)
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elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
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isinstance(self.param, ParameterPoint):
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self.param = ParameterPoint(name, description,
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unicode(self.defaultTextBox.text()))
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self.param.optional = self.yesNoCombo.currentIndex() == 1
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self.close()
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def cancelPressed(self):
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self.param = None
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self.close()
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