mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-04 00:30:59 -05:00
279 lines
12 KiB
Python
Executable File
279 lines
12 KiB
Python
Executable File
# -*- 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'
|
|
|
|
import math
|
|
|
|
from qgis.PyQt.QtCore import (Qt,
|
|
QByteArray,
|
|
QCoreApplication)
|
|
from qgis.PyQt.QtWidgets import (QDialog,
|
|
QVBoxLayout,
|
|
QLabel,
|
|
QLineEdit,
|
|
QComboBox,
|
|
QCheckBox,
|
|
QDialogButtonBox,
|
|
QMessageBox,
|
|
QTabWidget,
|
|
QWidget,
|
|
QTextEdit,
|
|
QHBoxLayout)
|
|
from qgis.PyQt.QtGui import QColor
|
|
|
|
from qgis.gui import (QgsProcessingLayerOutputDestinationWidget,
|
|
QgsColorButton)
|
|
from qgis.core import (QgsApplication,
|
|
QgsSettings,
|
|
QgsProcessing,
|
|
QgsProcessingParameterDefinition,
|
|
QgsProcessingDestinationParameter,
|
|
QgsProcessingParameterFeatureSink,
|
|
QgsProcessingParameterFileDestination,
|
|
QgsProcessingParameterFolderDestination,
|
|
QgsProcessingParameterRasterDestination,
|
|
QgsProcessingParameterVectorDestination)
|
|
|
|
from processing.core import parameters
|
|
from processing.modeler.exceptions import UndefinedParameterException
|
|
|
|
|
|
class ModelerParameterDefinitionDialog(QDialog):
|
|
|
|
@staticmethod
|
|
def use_legacy_dialog(param=None, paramType=None):
|
|
if isinstance(param, QgsProcessingDestinationParameter):
|
|
return True
|
|
|
|
# yay, use new API!
|
|
return False
|
|
|
|
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()
|
|
settings = QgsSettings()
|
|
self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))
|
|
|
|
def closeEvent(self, event):
|
|
settings = QgsSettings()
|
|
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
|
|
super(ModelerParameterDefinitionDialog, self).closeEvent(event)
|
|
|
|
def switchToCommentTab(self):
|
|
self.tab.setCurrentIndex(1)
|
|
self.commentEdit.setFocus()
|
|
self.commentEdit.selectAll()
|
|
|
|
def setupUi(self):
|
|
type_metadata = QgsApplication.processingRegistry().parameterType(self.param.type() if self.param else self.paramType)
|
|
self.setWindowTitle(self.tr('{} Parameter Definition').format(type_metadata.name()))
|
|
|
|
self.mainLayout = QVBoxLayout()
|
|
self.tab = QTabWidget()
|
|
self.mainLayout.addWidget(self.tab)
|
|
|
|
self.setMinimumWidth(300)
|
|
|
|
self.verticalLayout = QVBoxLayout()
|
|
|
|
self.label = QLabel(self.tr('Parameter name'))
|
|
self.verticalLayout.addWidget(self.label)
|
|
self.nameTextBox = QLineEdit()
|
|
self.verticalLayout.addWidget(self.nameTextBox)
|
|
|
|
if isinstance(self.param, QgsProcessingParameterDefinition):
|
|
self.nameTextBox.setText(self.param.description())
|
|
|
|
if isinstance(self.param, QgsProcessingDestinationParameter):
|
|
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
|
|
self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(self.param, defaultSelection=True)
|
|
self.verticalLayout.addWidget(self.defaultWidget)
|
|
|
|
self.verticalLayout.addSpacing(20)
|
|
self.requiredCheck = QCheckBox()
|
|
self.requiredCheck.setText(self.tr('Mandatory'))
|
|
self.requiredCheck.setChecked(True)
|
|
if self.param is not None:
|
|
self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
|
|
self.verticalLayout.addWidget(self.requiredCheck)
|
|
|
|
self.advancedCheck = QCheckBox()
|
|
self.advancedCheck.setText(self.tr('Advanced'))
|
|
self.advancedCheck.setChecked(False)
|
|
if self.param is not None:
|
|
self.advancedCheck.setChecked(self.param.flags() & QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.verticalLayout.addWidget(self.advancedCheck)
|
|
|
|
# If child algorithm output is mandatory, disable checkbox
|
|
if isinstance(self.param, QgsProcessingDestinationParameter):
|
|
provider_name, child_name, output_name = self.param.name().split(':')
|
|
child = self.alg.childAlgorithms()['{}:{}'.format(provider_name, child_name)]
|
|
model_output = child.modelOutput(output_name)
|
|
param_def = child.algorithm().parameterDefinition(model_output.childOutputName())
|
|
if not (param_def.flags() & QgsProcessingParameterDefinition.FlagOptional):
|
|
self.requiredCheck.setEnabled(False)
|
|
self.requiredCheck.setChecked(True)
|
|
|
|
self.advancedCheck.setEnabled(False)
|
|
self.advancedCheck.setChecked(False)
|
|
|
|
self.verticalLayout.addStretch()
|
|
|
|
w = QWidget()
|
|
w.setLayout(self.verticalLayout)
|
|
self.tab.addTab(w, self.tr('Properties'))
|
|
|
|
self.commentLayout = QVBoxLayout()
|
|
self.commentEdit = QTextEdit()
|
|
self.commentEdit.setAcceptRichText(False)
|
|
self.commentLayout.addWidget(self.commentEdit, 1)
|
|
|
|
hl = QHBoxLayout()
|
|
hl.setContentsMargins(0, 0, 0, 0)
|
|
hl.addWidget(QLabel(self.tr('Color')))
|
|
self.comment_color_button = QgsColorButton()
|
|
self.comment_color_button.setAllowOpacity(True)
|
|
self.comment_color_button.setWindowTitle(self.tr('Comment Color'))
|
|
self.comment_color_button.setShowNull(True, self.tr('Default'))
|
|
hl.addWidget(self.comment_color_button)
|
|
self.commentLayout.addLayout(hl)
|
|
|
|
w2 = QWidget()
|
|
w2.setLayout(self.commentLayout)
|
|
self.tab.addTab(w2, self.tr('Comments'))
|
|
|
|
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.accept)
|
|
self.buttonBox.rejected.connect(self.reject)
|
|
|
|
self.mainLayout.addWidget(self.buttonBox)
|
|
|
|
self.setLayout(self.mainLayout)
|
|
|
|
def setComments(self, text):
|
|
self.commentEdit.setPlainText(text)
|
|
|
|
def comments(self):
|
|
return self.commentEdit.toPlainText()
|
|
|
|
def setCommentColor(self, color):
|
|
if color.isValid():
|
|
self.comment_color_button.setColor(color)
|
|
else:
|
|
self.comment_color_button.setToNull()
|
|
|
|
def commentColor(self):
|
|
return self.comment_color_button.color() if not self.comment_color_button.isNull() else QColor()
|
|
|
|
def accept(self):
|
|
description = 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 = safeName.lower()
|
|
i = 2
|
|
while self.alg.parameterDefinition(name):
|
|
name = safeName.lower() + str(i)
|
|
i += 1
|
|
else:
|
|
name = self.param.name()
|
|
|
|
# Destination parameter
|
|
if (isinstance(self.param, QgsProcessingParameterFeatureSink)):
|
|
self.param = QgsProcessingParameterFeatureSink(
|
|
name=name,
|
|
description=self.param.description(),
|
|
type=self.param.dataType(),
|
|
defaultValue=self.defaultWidget.value())
|
|
elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
|
|
self.param = QgsProcessingParameterFileDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
fileFilter=self.param.fileFilter(),
|
|
defaultValue=self.defaultWidget.value())
|
|
elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
|
|
self.param = QgsProcessingParameterFolderDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
defaultValue=self.defaultWidget.value())
|
|
elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
|
|
self.param = QgsProcessingParameterRasterDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
defaultValue=self.defaultWidget.value())
|
|
elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
|
|
self.param = QgsProcessingParameterVectorDestination(
|
|
name=name,
|
|
description=self.param.description(),
|
|
type=self.param.dataType(),
|
|
defaultValue=self.defaultWidget.value())
|
|
|
|
else:
|
|
if self.paramType:
|
|
typeId = self.paramType
|
|
else:
|
|
typeId = self.param.type()
|
|
|
|
paramTypeDef = QgsApplication.instance().processingRegistry().parameterType(typeId)
|
|
if not paramTypeDef:
|
|
msg = self.tr('The parameter `{}` is not registered, are you missing a required plugin?'.format(typeId))
|
|
raise UndefinedParameterException(msg)
|
|
self.param = paramTypeDef.create(name)
|
|
self.param.setDescription(description)
|
|
self.param.setMetadata(paramTypeDef.metadata())
|
|
|
|
if not self.requiredCheck.isChecked():
|
|
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)
|
|
else:
|
|
self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagOptional)
|
|
|
|
if self.advancedCheck.isChecked():
|
|
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
else:
|
|
self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagAdvanced)
|
|
|
|
settings = QgsSettings()
|
|
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
|
|
|
|
QDialog.accept(self)
|
|
|
|
def reject(self):
|
|
self.param = None
|
|
|
|
settings = QgsSettings()
|
|
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
|
|
|
|
QDialog.reject(self)
|