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293 lines
10 KiB
Python
293 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ProcessingPlugin.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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from builtins import object
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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 shutil
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import inspect
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import os
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import sys
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from qgis.core import (QgsApplication,
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QgsProcessingUtils,
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QgsProcessingModelAlgorithm,
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QgsDataItemProvider,
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QgsDataProvider,
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QgsDataItem,
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QgsMimeDataUtils)
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from qgis.gui import (QgsOptionsWidgetFactory,
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QgsCustomDropHandler)
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from qgis.PyQt.QtCore import Qt, QCoreApplication, QDir, QFileInfo
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from qgis.PyQt.QtWidgets import QMenu, QAction
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from qgis.PyQt.QtGui import QIcon
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from processing.core.Processing import Processing
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from processing.gui.AlgorithmDialog import AlgorithmDialog
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from processing.gui.ProcessingToolbox import ProcessingToolbox
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from processing.gui.HistoryDialog import HistoryDialog
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from processing.gui.ConfigDialog import ConfigOptionsPage
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from processing.gui.ResultsDock import ResultsDock
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from processing.gui.AlgorithmLocatorFilter import AlgorithmLocatorFilter
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from processing.modeler.ModelerDialog import ModelerDialog
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from processing.tools.system import tempHelpFolder
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from processing.gui.menus import removeMenus, initializeMenus, createMenus
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from processing.core.ProcessingResults import resultsList
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cmd_folder = os.path.split(inspect.getfile(inspect.currentframe()))[0]
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if cmd_folder not in sys.path:
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sys.path.insert(0, cmd_folder)
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class ProcessingOptionsFactory(QgsOptionsWidgetFactory):
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def __init__(self):
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super(QgsOptionsWidgetFactory, self).__init__()
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def icon(self):
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return QgsApplication.getThemeIcon('/processingAlgorithm.svg')
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def createWidget(self, parent):
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return ConfigOptionsPage(parent)
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class ProcessingDropHandler(QgsCustomDropHandler):
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def handleFileDrop(self, file):
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if not file.lower().endswith('.model3'):
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return False
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self.runAlg(file)
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@staticmethod
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def runAlg(file):
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alg = QgsProcessingModelAlgorithm()
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if not alg.fromFile(file):
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return False
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alg.setProvider(QgsApplication.processingRegistry().providerById('model'))
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dlg = AlgorithmDialog(alg)
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dlg.setAttribute(Qt.WA_DeleteOnClose)
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dlg.show()
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return True
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def customUriProviderKey(self):
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return 'processing'
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def handleCustomUriDrop(self, uri):
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path = uri.uri
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self.runAlg(path)
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class ProcessingModelItem(QgsDataItem):
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def __init__(self, parent, name, path):
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super(ProcessingModelItem, self).__init__(QgsDataItem.Custom, parent, name, path)
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self.setState(QgsDataItem.Populated) # no children
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self.setIconName(":/images/themes/default/processingModel.svg")
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self.setToolTip(QDir.toNativeSeparators(path))
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def hasDragEnabled(self):
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return True
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def handleDoubleClick(self):
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self.runModel()
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return True
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def mimeUri(self):
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u = QgsMimeDataUtils.Uri()
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u.layerType = "custom"
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u.providerKey = "processing"
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u.name = self.name()
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u.uri = self.path()
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return u
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def runModel(self):
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ProcessingDropHandler.runAlg(self.path())
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def editModel(self):
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dlg = ModelerDialog()
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dlg.loadModel(self.path())
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dlg.show()
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def actions(self):
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run_model_action = QAction(QCoreApplication.translate('ProcessingPlugin', '&Run Model…'), self)
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run_model_action.triggered.connect(self.runModel)
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edit_model_action = QAction(QCoreApplication.translate('ProcessingPlugin', '&Edit Model…'), self)
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edit_model_action.triggered.connect(self.editModel)
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return [run_model_action, edit_model_action]
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class ProcessingDataItemProvider(QgsDataItemProvider):
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def __init__(self):
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super(ProcessingDataItemProvider, self).__init__()
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def name(self):
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return 'processing'
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def capabilities(self):
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return QgsDataProvider.File
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def createDataItem(self, path, parentItem):
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file_info = QFileInfo(path)
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if file_info.suffix().lower() == 'model3':
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alg = QgsProcessingModelAlgorithm()
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if alg.fromFile(path):
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return ProcessingModelItem(parentItem, alg.name(), path)
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return None
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class ProcessingPlugin(object):
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def __init__(self, iface):
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self.iface = iface
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self.options_factory = ProcessingOptionsFactory()
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self.options_factory.setTitle(self.tr('Processing'))
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iface.registerOptionsWidgetFactory(self.options_factory)
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self.drop_handler = ProcessingDropHandler()
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iface.registerCustomDropHandler(self.drop_handler)
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self.item_provider = ProcessingDataItemProvider()
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QgsApplication.dataItemProviderRegistry().addProvider(self.item_provider)
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self.locator_filter = AlgorithmLocatorFilter()
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iface.registerLocatorFilter(self.locator_filter)
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Processing.initialize()
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def initGui(self):
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self.toolbox = ProcessingToolbox()
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self.iface.addDockWidget(Qt.RightDockWidgetArea, self.toolbox)
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self.toolbox.hide()
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self.resultsDock = ResultsDock()
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self.iface.addDockWidget(Qt.RightDockWidgetArea, self.resultsDock)
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self.resultsDock.hide()
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resultsList.resultAdded.connect(self.resultsDock.fillTree)
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self.menu = QMenu(self.iface.mainWindow().menuBar())
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self.menu.setObjectName('processing')
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self.menu.setTitle(self.tr('Pro&cessing'))
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self.toolboxAction = self.toolbox.toggleViewAction()
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self.toolboxAction.setObjectName('toolboxAction')
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self.toolboxAction.setIcon(
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QgsApplication.getThemeIcon("/processingAlgorithm.svg"))
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self.toolboxAction.setText(self.tr('&Toolbox'))
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self.iface.registerMainWindowAction(self.toolboxAction, 'Ctrl+Alt+T')
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self.menu.addAction(self.toolboxAction)
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self.modelerAction = QAction(
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QgsApplication.getThemeIcon("/processingModel.svg"),
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self.tr('Graphical &Modeler...'), self.iface.mainWindow())
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self.modelerAction.setObjectName('modelerAction')
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self.modelerAction.triggered.connect(self.openModeler)
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self.iface.registerMainWindowAction(self.modelerAction, 'Ctrl+Alt+M')
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self.menu.addAction(self.modelerAction)
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self.historyAction = QAction(
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QIcon(os.path.join(cmd_folder, 'images', 'history.svg')),
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self.tr('&History...'), self.iface.mainWindow())
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self.historyAction.setObjectName('historyAction')
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self.historyAction.triggered.connect(self.openHistory)
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self.iface.registerMainWindowAction(self.historyAction, 'Ctrl+Alt+H')
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self.menu.addAction(self.historyAction)
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self.resultsAction = self.resultsDock.toggleViewAction()
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self.resultsAction.setObjectName('resultsAction')
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self.resultsAction.setIcon(
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QgsApplication.getThemeIcon("/processingResult.svg"))
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self.resultsAction.setText(self.tr('&Results Viewer'))
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self.iface.registerMainWindowAction(self.resultsAction, 'Ctrl+Alt+R')
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self.menu.addAction(self.resultsAction)
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menuBar = self.iface.mainWindow().menuBar()
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menuBar.insertMenu(
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self.iface.firstRightStandardMenu().menuAction(), self.menu)
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self.menu.addSeparator()
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initializeMenus()
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createMenus()
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def unload(self):
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self.toolbox.setVisible(False)
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self.iface.removeDockWidget(self.toolbox)
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self.resultsDock.setVisible(False)
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self.iface.removeDockWidget(self.resultsDock)
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self.menu.deleteLater()
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# delete temporary output files
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folder = QgsProcessingUtils.tempFolder()
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if QDir(folder).exists():
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shutil.rmtree(folder, True)
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# also delete temporary help files
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folder = tempHelpFolder()
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if QDir(folder).exists():
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shutil.rmtree(folder, True)
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self.iface.unregisterMainWindowAction(self.toolboxAction)
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self.iface.unregisterMainWindowAction(self.modelerAction)
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self.iface.unregisterMainWindowAction(self.historyAction)
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self.iface.unregisterMainWindowAction(self.resultsAction)
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self.iface.unregisterOptionsWidgetFactory(self.options_factory)
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self.iface.deregisterLocatorFilter(self.locator_filter)
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self.iface.unregisterCustomDropHandler(self.drop_handler)
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QgsApplication.dataItemProviderRegistry().removeProvider(self.item_provider)
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removeMenus()
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Processing.deinitialize()
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def openToolbox(self):
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if self.toolbox.isVisible():
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self.toolbox.hide()
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else:
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self.toolbox.show()
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def openModeler(self):
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dlg = ModelerDialog()
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dlg.update_model.connect(self.updateModel)
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dlg.show()
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def updateModel(self):
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model_provider = QgsApplication.processingRegistry().providerById('model')
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model_provider.refreshAlgorithms()
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def openResults(self):
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if self.resultsDock.isVisible():
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self.resultsDock.hide()
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else:
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self.resultsDock.show()
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def openHistory(self):
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dlg = HistoryDialog()
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dlg.exec_()
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def tr(self, message):
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return QCoreApplication.translate('ProcessingPlugin', message)
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