QGIS/python/plugins/processing/gui/ConfigDialog.py
2019-10-28 11:07:57 +02:00

523 lines
18 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
ConfigDialog.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 os
import warnings
from qgis.PyQt import uic
from qgis.PyQt.QtCore import Qt, QEvent
from qgis.PyQt.QtWidgets import (QFileDialog,
QStyle,
QMessageBox,
QStyledItemDelegate,
QLineEdit,
QWidget,
QToolButton,
QHBoxLayout,
QComboBox,
QPushButton,
QApplication)
from qgis.PyQt.QtGui import (QIcon,
QStandardItemModel,
QStandardItem,
QCursor)
from qgis.gui import (QgsDoubleSpinBox,
QgsSpinBox,
QgsOptionsPageWidget,
QgsOptionsDialogHighlightWidget)
from qgis.core import NULL, QgsApplication, QgsSettings
from qgis.utils import OverrideCursor
from processing.core.ProcessingConfig import (ProcessingConfig,
settingsWatcher,
Setting)
from processing.core.Processing import Processing
from processing.gui.DirectorySelectorDialog import DirectorySelectorDialog
from processing.gui.menus import defaultMenuEntries, menusSettingsGroup
pluginPath = os.path.split(os.path.dirname(__file__))[0]
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'DlgConfig.ui'))
class ConfigOptionsPage(QgsOptionsPageWidget):
def __init__(self, parent):
super(ConfigOptionsPage, self).__init__(parent)
self.config_widget = ConfigDialog(False)
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setMargin(0)
self.setLayout(layout)
layout.addWidget(self.config_widget)
self.setObjectName('processingOptions')
self.highlightWidget = ProcessingTreeHighlight(self.config_widget)
self.registerHighlightWidget(self.highlightWidget)
def apply(self):
self.config_widget.accept()
def helpKey(self):
return 'processing/index.html'
class ProcessingTreeHighlight(QgsOptionsDialogHighlightWidget):
def __init__(self, config_dialog):
super(ProcessingTreeHighlight, self).__init__(config_dialog.tree)
self.config_dialog = config_dialog
def highlightText(self, text):
return self.config_dialog.textChanged(text)
def searchText(self, text):
return self.config_dialog.textChanged(text)
def reset(self):
self.config_dialog.textChanged('')
class ConfigDialog(BASE, WIDGET):
def __init__(self, showSearch=True):
super(ConfigDialog, self).__init__(None)
self.setupUi(self)
self.groupIcon = QgsApplication.getThemeIcon('mIconFolder.svg')
self.model = QStandardItemModel()
self.tree.setModel(self.model)
self.delegate = SettingDelegate()
self.tree.setItemDelegateForColumn(1, self.delegate)
if showSearch:
if hasattr(self.searchBox, 'setPlaceholderText'):
self.searchBox.setPlaceholderText(QApplication.translate('ConfigDialog', 'Search…'))
self.searchBox.textChanged.connect(self.textChanged)
else:
self.searchBox.hide()
self.fillTree()
self.saveMenus = False
self.tree.expanded.connect(self.itemExpanded)
self.auto_adjust_columns = True
def textChanged(self, text=None):
if text is not None:
text = str(text.lower())
else:
text = str(self.searchBox.text().lower())
found = self._filterItem(self.model.invisibleRootItem(), text)
self.auto_adjust_columns = False
if text:
self.tree.expandAll()
else:
self.tree.collapseAll()
self.adjustColumns()
self.auto_adjust_columns = True
if text:
return found
else:
self.tree.collapseAll()
return False
def _filterItem(self, item, text, forceShow=False):
if item.hasChildren():
show = forceShow or isinstance(item, QStandardItem) and bool(text) and (text in item.text().lower())
for i in range(item.rowCount()):
child = item.child(i)
show = self._filterItem(child, text, forceShow) or show
self.tree.setRowHidden(item.row(), item.index().parent(), not show)
return show
elif isinstance(item, QStandardItem):
show = forceShow or bool(text) and (text in item.text().lower())
self.tree.setRowHidden(item.row(), item.index().parent(), not show)
return show
def fillTree(self):
self.fillTreeUsingProviders()
def fillTreeUsingProviders(self):
self.items = {}
self.model.clear()
self.model.setHorizontalHeaderLabels([self.tr('Setting'),
self.tr('Value')])
settings = ProcessingConfig.getSettings()
rootItem = self.model.invisibleRootItem()
"""
Filter 'General', 'Models' and 'Scripts' items
"""
priorityKeys = [self.tr('General'), self.tr('Models'), self.tr('Scripts')]
for group in priorityKeys:
groupItem = QStandardItem(group)
icon = ProcessingConfig.getGroupIcon(group)
groupItem.setIcon(icon)
groupItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
rootItem.insertRow(0, [groupItem, emptyItem])
if not group in settings:
continue
# add menu item only if it has any search matches
for setting in settings[group]:
if setting.hidden or setting.name.startswith("MENU_"):
continue
labelItem = QStandardItem(setting.description)
labelItem.setIcon(icon)
labelItem.setEditable(False)
self.items[setting] = SettingItem(setting)
groupItem.insertRow(0, [labelItem, self.items[setting]])
"""
Filter 'Providers' items
"""
providersItem = QStandardItem(self.tr('Providers'))
icon = QgsApplication.getThemeIcon("/processingAlgorithm.svg")
providersItem.setIcon(icon)
providersItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
rootItem.insertRow(0, [providersItem, emptyItem])
for group in list(settings.keys()):
if group in priorityKeys or group == menusSettingsGroup:
continue
groupItem = QStandardItem(group)
icon = ProcessingConfig.getGroupIcon(group)
groupItem.setIcon(icon)
groupItem.setEditable(False)
for setting in settings[group]:
if setting.hidden:
continue
labelItem = QStandardItem(setting.description)
labelItem.setIcon(icon)
labelItem.setEditable(False)
self.items[setting] = SettingItem(setting)
groupItem.insertRow(0, [labelItem, self.items[setting]])
emptyItem = QStandardItem()
emptyItem.setEditable(False)
providersItem.appendRow([groupItem, emptyItem])
"""
Filter 'Menus' items
"""
self.menusItem = QStandardItem(self.tr('Menus'))
icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
self.menusItem.setIcon(icon)
self.menusItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
rootItem.insertRow(0, [self.menusItem, emptyItem])
button = QPushButton(self.tr('Reset to defaults'))
button.clicked.connect(self.resetMenusToDefaults)
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(button)
layout.addStretch()
widget = QWidget()
widget.setLayout(layout)
self.tree.setIndexWidget(emptyItem.index(), widget)
for provider in QgsApplication.processingRegistry().providers():
providerDescription = provider.name()
groupItem = QStandardItem(providerDescription)
icon = provider.icon()
groupItem.setIcon(icon)
groupItem.setEditable(False)
for alg in provider.algorithms():
algItem = QStandardItem(alg.displayName())
algItem.setIcon(icon)
algItem.setEditable(False)
try:
settingMenu = ProcessingConfig.settings["MENU_" + alg.id()]
settingButton = ProcessingConfig.settings["BUTTON_" + alg.id()]
settingIcon = ProcessingConfig.settings["ICON_" + alg.id()]
except:
continue
self.items[settingMenu] = SettingItem(settingMenu)
self.items[settingButton] = SettingItem(settingButton)
self.items[settingIcon] = SettingItem(settingIcon)
menuLabelItem = QStandardItem("Menu path")
menuLabelItem.setEditable(False)
buttonLabelItem = QStandardItem("Add button in toolbar")
buttonLabelItem.setEditable(False)
iconLabelItem = QStandardItem("Icon")
iconLabelItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
algItem.insertRow(0, [menuLabelItem, self.items[settingMenu]])
algItem.insertRow(0, [buttonLabelItem, self.items[settingButton]])
algItem.insertRow(0, [iconLabelItem, self.items[settingIcon]])
groupItem.insertRow(0, [algItem, emptyItem])
emptyItem = QStandardItem()
emptyItem.setEditable(False)
self.menusItem.appendRow([groupItem, emptyItem])
self.tree.sortByColumn(0, Qt.AscendingOrder)
self.adjustColumns()
def resetMenusToDefaults(self):
for provider in QgsApplication.processingRegistry().providers():
for alg in provider.algorithms():
d = defaultMenuEntries.get(alg.id(), "")
setting = ProcessingConfig.settings["MENU_" + alg.id()]
item = self.items[setting]
item.setData(d, Qt.EditRole)
self.saveMenus = True
def accept(self):
qsettings = QgsSettings()
for setting in list(self.items.keys()):
if setting.group != menusSettingsGroup or self.saveMenus:
if isinstance(setting.value, bool):
setting.setValue(self.items[setting].checkState() == Qt.Checked)
else:
try:
setting.setValue(str(self.items[setting].text()))
except ValueError as e:
QMessageBox.warning(self, self.tr('Wrong value'),
self.tr('Wrong value for parameter "{0}":\n\n{1}').format(setting.description, str(e)))
return
setting.save(qsettings)
with OverrideCursor(Qt.WaitCursor):
for p in QgsApplication.processingRegistry().providers():
p.refreshAlgorithms()
settingsWatcher.settingsChanged.emit()
def itemExpanded(self, idx):
if idx == self.menusItem.index():
self.saveMenus = True
if self.auto_adjust_columns:
self.adjustColumns()
def adjustColumns(self):
self.tree.resizeColumnToContents(0)
self.tree.resizeColumnToContents(1)
class SettingItem(QStandardItem):
def __init__(self, setting):
QStandardItem.__init__(self)
self.setting = setting
self.setData(setting, Qt.UserRole)
if isinstance(setting.value, bool):
self.setCheckable(True)
self.setEditable(False)
if setting.value:
self.setCheckState(Qt.Checked)
else:
self.setCheckState(Qt.Unchecked)
else:
self.setData(setting.value, Qt.EditRole)
class SettingDelegate(QStyledItemDelegate):
def __init__(self, parent=None):
QStyledItemDelegate.__init__(self, parent)
def createEditor(self, parent, options, index):
setting = index.model().data(index, Qt.UserRole)
if setting.valuetype == Setting.FOLDER:
return FileDirectorySelector(parent)
elif setting.valuetype == Setting.FILE:
return FileDirectorySelector(parent, True)
elif setting.valuetype == Setting.SELECTION:
combo = QComboBox(parent)
combo.addItems(setting.options)
return combo
elif setting.valuetype == Setting.MULTIPLE_FOLDERS:
return MultipleDirectorySelector(parent)
else:
value = self.convertValue(index.model().data(index, Qt.EditRole))
if isinstance(value, int):
spnBox = QgsSpinBox(parent)
spnBox.setRange(-999999999, 999999999)
return spnBox
elif isinstance(value, float):
spnBox = QgsDoubleSpinBox(parent)
spnBox.setRange(-999999999.999999, 999999999.999999)
spnBox.setDecimals(6)
return spnBox
elif isinstance(value, str):
return QLineEdit(parent)
def setEditorData(self, editor, index):
value = self.convertValue(index.model().data(index, Qt.EditRole))
setting = index.model().data(index, Qt.UserRole)
if setting.valuetype == Setting.SELECTION:
editor.setCurrentIndex(editor.findText(value))
elif setting.valuetype in (Setting.FLOAT, Setting.INT):
editor.setValue(value)
else:
editor.setText(value)
def setModelData(self, editor, model, index):
value = self.convertValue(index.model().data(index, Qt.EditRole))
setting = index.model().data(index, Qt.UserRole)
if setting.valuetype == Setting.SELECTION:
model.setData(index, editor.currentText(), Qt.EditRole)
else:
if isinstance(value, str):
model.setData(index, editor.text(), Qt.EditRole)
else:
model.setData(index, editor.value(), Qt.EditRole)
def sizeHint(self, option, index):
return QgsSpinBox().sizeHint()
def eventFilter(self, editor, event):
if event.type() == QEvent.FocusOut and hasattr(editor, 'canFocusOut'):
if not editor.canFocusOut:
return False
return QStyledItemDelegate.eventFilter(self, editor, event)
def convertValue(self, value):
if value is None or value == NULL:
return ""
try:
return int(value)
except:
try:
return float(value)
except:
return str(value)
class FileDirectorySelector(QWidget):
def __init__(self, parent=None, selectFile=False):
QWidget.__init__(self, parent)
# create gui
self.btnSelect = QToolButton()
self.btnSelect.setText('')
self.lineEdit = QLineEdit()
self.hbl = QHBoxLayout()
self.hbl.setMargin(0)
self.hbl.setSpacing(0)
self.hbl.addWidget(self.lineEdit)
self.hbl.addWidget(self.btnSelect)
self.setLayout(self.hbl)
self.canFocusOut = False
self.selectFile = selectFile
self.setFocusPolicy(Qt.StrongFocus)
self.btnSelect.clicked.connect(self.select)
def select(self):
lastDir = ''
if not self.selectFile:
selectedPath = QFileDialog.getExistingDirectory(None,
self.tr('Select directory'), lastDir,
QFileDialog.ShowDirsOnly)
else:
selectedPath, selected_filter = QFileDialog.getOpenFileName(None,
self.tr('Select file'), lastDir, self.tr('All files (*)')
)
if not selectedPath:
return
self.lineEdit.setText(selectedPath)
self.canFocusOut = True
def text(self):
return self.lineEdit.text()
def setText(self, value):
self.lineEdit.setText(value)
class MultipleDirectorySelector(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
# create gui
self.btnSelect = QToolButton()
self.btnSelect.setText('')
self.lineEdit = QLineEdit()
self.hbl = QHBoxLayout()
self.hbl.setMargin(0)
self.hbl.setSpacing(0)
self.hbl.addWidget(self.lineEdit)
self.hbl.addWidget(self.btnSelect)
self.setLayout(self.hbl)
self.canFocusOut = False
self.setFocusPolicy(Qt.StrongFocus)
self.btnSelect.clicked.connect(self.select)
def select(self):
text = self.lineEdit.text()
if text != '':
items = text.split(';')
else:
items = []
dlg = DirectorySelectorDialog(None, items)
if dlg.exec_():
text = dlg.value()
self.lineEdit.setText(text)
self.canFocusOut = True
def text(self):
return self.lineEdit.text()
def setText(self, value):
self.lineEdit.setText(value)