QGIS/python/plugins/processing/gui/ConfigDialog.py
2016-03-23 00:55:36 +03:00

386 lines
13 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'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from PyQt import uic
from PyQt.QtCore import (Qt,
QEvent,
QPyNullVariant)
from PyQt.QtWidgets import (QFileDialog,
QDialog,
QStyle,
QMessageBox,
QStyledItemDelegate,
QLineEdit,
QWidget,
QToolButton,
QHBoxLayout,
QComboBox)
from PyQt.QtGui import (QIcon,
QStandardItemModel,
QStandardItem)
from qgis.gui import QgsDoubleSpinBox
from qgis.gui import QgsSpinBox
from processing.core.ProcessingConfig import ProcessingConfig
from processing.core.ProcessingConfig import Setting
from processing.core.Processing import Processing
from processing.gui.menus import updateMenus
from processing.gui.menus import menusSettingsGroup
pluginPath = os.path.split(os.path.dirname(__file__))[0]
WIDGET, BASE = uic.loadUiType(
os.path.join(pluginPath, 'ui', 'DlgConfig.ui'))
class ConfigDialog(BASE, WIDGET):
def __init__(self, toolbox):
super(ConfigDialog, self).__init__(None)
self.setupUi(self)
self.toolbox = toolbox
self.groupIcon = QIcon()
self.groupIcon.addPixmap(self.style().standardPixmap(
QStyle.SP_DirClosedIcon), QIcon.Normal, QIcon.Off)
self.groupIcon.addPixmap(self.style().standardPixmap(
QStyle.SP_DirOpenIcon), QIcon.Normal, QIcon.On)
if hasattr(self.searchBox, 'setPlaceholderText'):
self.searchBox.setPlaceholderText(self.tr('Search...'))
self.model = QStandardItemModel()
self.tree.setModel(self.model)
self.delegate = SettingDelegate()
self.tree.setItemDelegateForColumn(1, self.delegate)
self.searchBox.textChanged.connect(self.textChanged)
self.fillTree()
self.tree.expanded.connect(self.adjustColumns)
def textChanged(self):
text = unicode(self.searchBox.text().lower())
self._filterItem(self.model.invisibleRootItem(), text)
if text:
self.tree.expandAll()
else:
self.tree.collapseAll()
def _filterItem(self, item, text):
if item.hasChildren():
show = False
for i in xrange(item.rowCount()):
child = item.child(i)
showChild = self._filterItem(child, text)
show = (showChild or show)
self.tree.setRowHidden (item.row(), item.index().parent(), not show)
return show
elif isinstance(item, QStandardItem):
hide = bool(text) and (text not in item.text().lower())
self.tree.setRowHidden (item.row(), item.index().parent(), hide)
return not hide
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])
# 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 = QIcon(os.path.join(pluginPath, 'images', 'alg.png'))
providersItem.setIcon(icon)
providersItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
rootItem.insertRow(0, [providersItem, emptyItem])
for group in 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
"""
menusItem = QStandardItem(self.tr('Menus (requires restart)'))
icon = QIcon(os.path.join(pluginPath, 'images', 'menu.png'))
menusItem.setIcon(icon)
menusItem.setEditable(False)
emptyItem = QStandardItem()
emptyItem.setEditable(False)
rootItem.insertRow(0, [menusItem, emptyItem])
providers = Processing.providers
for provider in providers:
providerDescription = provider.getDescription()
groupItem = QStandardItem(providerDescription)
icon = provider.getIcon()
groupItem.setIcon(icon)
groupItem.setEditable(False)
for alg in provider.algs:
labelItem = QStandardItem(alg.name)
labelItem.setIcon(icon)
labelItem.setEditable(False)
try:
setting = ProcessingConfig.settings["MENU_" + alg.commandLineName()]
except:
continue
self.items[setting] = SettingItem(setting)
groupItem.insertRow(0, [labelItem, self.items[setting]])
emptyItem = QStandardItem()
emptyItem.setEditable(False)
menusItem.appendRow([groupItem, emptyItem])
self.tree.sortByColumn(0, Qt.AscendingOrder)
self.adjustColumns()
def accept(self):
for setting in self.items.keys():
if isinstance(setting.value, bool):
setting.setValue(self.items[setting].checkState() == Qt.Checked)
else:
try:
setting.setValue(unicode(self.items[setting].text()))
except ValueError as e:
QMessageBox.warning(self, self.tr('Wrong value'),
self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e))))
return
setting.save()
Processing.updateAlgsList()
updateMenus()
QDialog.accept(self)
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
else:
value = self.convertValue(index.model().data(index, Qt.EditRole))
if isinstance(value, (int, long)):
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, unicode)):
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))
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, basestring)):
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 isinstance(value, QPyNullVariant):
return ""
try:
return int(value)
except:
try:
return float(value)
except:
return unicode(value)
class FileDirectorySelector(QWidget):
def __init__(self, parent=None, selectFile=False):
QWidget.__init__(self, parent)
# create gui
self.btnSelect = QToolButton()
self.btnSelect.setText(self.tr('...'))
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 = 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)