mirror of
https://github.com/qgis/QGIS.git
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451 lines
18 KiB
Python
451 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ProcessingToolbox.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 range
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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 os
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from qgis.PyQt import uic
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from qgis.PyQt.QtCore import Qt, QCoreApplication
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from qgis.PyQt.QtWidgets import QMenu, QAction, QTreeWidgetItem, QLabel, QMessageBox
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from qgis.utils import iface
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from qgis.core import (QgsApplication,
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QgsProcessingAlgorithm)
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from processing.gui.Postprocessing import handleAlgorithmResults
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from processing.core.Processing import Processing
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from processing.core.ProcessingLog import ProcessingLog
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from processing.core.ProcessingConfig import ProcessingConfig, settingsWatcher
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from processing.gui.MessageDialog import MessageDialog
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from processing.gui.AlgorithmDialog import AlgorithmDialog
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from processing.gui.BatchAlgorithmDialog import BatchAlgorithmDialog
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from processing.gui.EditRenderingStylesDialog import EditRenderingStylesDialog
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from processing.gui.ConfigDialog import ConfigDialog
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from processing.gui.MessageBarProgress import MessageBarProgress
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from processing.gui.AlgorithmExecutor import execute
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from processing.gui.ProviderActions import (ProviderActions,
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ProviderContextMenuActions)
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, 'ui', 'ProcessingToolbox.ui'))
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class ProcessingToolbox(BASE, WIDGET):
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def __init__(self):
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super(ProcessingToolbox, self).__init__(None)
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self.tipWasClosed = False
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self.setupUi(self)
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self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
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self.searchBox.textChanged.connect(self.textChanged)
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self.algorithmTree.customContextMenuRequested.connect(
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self.showPopupMenu)
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self.algorithmTree.doubleClicked.connect(self.executeAlgorithm)
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self.txtDisabled.setVisible(False)
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self.txtTip.setVisible(self.disabledProviders())
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self.txtDisabled.linkActivated.connect(self.showDisabled)
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def openSettings(url):
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if url == "close":
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self.txtTip.setVisible(False)
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self.tipWasClosed = True
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else:
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iface.showOptionsDialog(iface.mainWindow(), 'processingOptions')
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self.txtTip.setVisible(self.disabledProviders())
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self.txtTip.linkActivated.connect(openSettings)
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if hasattr(self.searchBox, 'setPlaceholderText'):
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self.searchBox.setPlaceholderText(self.tr('Search...'))
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self.fillTree()
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QgsApplication.processingRegistry().providerRemoved.connect(self.removeProvider)
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QgsApplication.processingRegistry().providerAdded.connect(self.addProvider)
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settingsWatcher.settingsChanged.connect(self.fillTree)
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def showDisabled(self):
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self.txtDisabled.setVisible(False)
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for provider_id in self.disabledWithMatchingAlgs:
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self.disabledProviderItems[provider_id].setHidden(False)
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self.algorithmTree.expandAll()
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def disabledProviders(self):
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showTip = ProcessingConfig.getSetting(ProcessingConfig.SHOW_PROVIDERS_TOOLTIP)
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if not showTip or self.tipWasClosed:
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return False
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for provider in QgsApplication.processingRegistry().providers():
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if not provider.isActive():
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return True
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return False
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def textChanged(self):
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text = self.searchBox.text().strip(' ').lower()
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for item in list(self.disabledProviderItems.values()):
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item.setHidden(True)
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self._filterItem(self.algorithmTree.invisibleRootItem(), [t for t in text.split(' ') if t])
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if text:
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self.algorithmTree.expandAll()
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self.disabledWithMatchingAlgs = []
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for provider in QgsApplication.processingRegistry().providers():
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if not provider.isActive():
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for alg in provider.algorithms():
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if text in alg.name():
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self.disabledWithMatchingAlgs.append(provider.id())
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break
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showTip = ProcessingConfig.getSetting(ProcessingConfig.SHOW_PROVIDERS_TOOLTIP)
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if showTip:
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self.txtDisabled.setVisible(bool(self.disabledWithMatchingAlgs))
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else:
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self.algorithmTree.collapseAll()
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self.algorithmTree.invisibleRootItem().child(0).setExpanded(True)
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self.txtDisabled.setVisible(False)
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def _filterItem(self, item, text):
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if (item.childCount() > 0):
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show = False
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for i in range(item.childCount()):
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child = item.child(i)
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showChild = self._filterItem(child, text)
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show = (showChild or show) and item not in list(self.disabledProviderItems.values())
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item.setHidden(not show)
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return show
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elif isinstance(item, (TreeAlgorithmItem, TreeActionItem)):
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# hide if every part of text is not contained somewhere in either the item text or item user role
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item_text = [item.text(0).lower(), item.data(0, Qt.UserRole).lower()]
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if isinstance(item, TreeAlgorithmItem):
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item_text.append(item.alg.id())
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item_text.extend(item.data(0, Qt.UserRole + 1))
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hide = bool(text) and not all(
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any(part in t for t in item_text)
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for part in text)
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item.setHidden(hide)
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return not hide
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else:
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item.setHidden(True)
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return False
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def activateProvider(self, id):
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provider = QgsApplication.processingRegistry().providerById(id)
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if not provider.canBeActivated():
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QMessageBox.warning(self, self.tr("Activate provider"),
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self.tr("The provider has been activated, but it might need additional configuration."))
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return
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try:
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# not part of the base class - only some providers have a setActive member
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provider.setActive(True)
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self.fillTree()
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self.textChanged()
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self.showDisabled()
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except:
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QMessageBox.warning(self, self.tr("Activate provider"),
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self.tr("The provider could not be activated."))
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def updateProvider(self):
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provider = self.sender()
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item = self._providerItem(provider.id())
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if item is not None:
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item.refresh()
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item.sortChildren(0, Qt.AscendingOrder)
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for i in range(item.childCount()):
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item.child(i).sortChildren(0, Qt.AscendingOrder)
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self.addRecentAlgorithms(True)
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def removeProvider(self, provider_id):
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item = self._providerItem(provider_id)
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if item is not None:
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self.algorithmTree.invisibleRootItem().removeChild(item)
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def _providerItem(self, provider_id):
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for i in range(self.algorithmTree.invisibleRootItem().childCount()):
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child = self.algorithmTree.invisibleRootItem().child(i)
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if isinstance(child, TreeProviderItem):
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if child.provider.id() == provider_id:
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return child
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def showPopupMenu(self, point):
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item = self.algorithmTree.itemAt(point)
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popupmenu = QMenu()
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if isinstance(item, TreeAlgorithmItem):
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alg = item.alg
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executeAction = QAction(self.tr('Execute'), self.algorithmTree)
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executeAction.triggered.connect(self.executeAlgorithm)
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popupmenu.addAction(executeAction)
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if alg.flags() & QgsProcessingAlgorithm.FlagSupportsBatch:
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executeBatchAction = QAction(
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self.tr('Execute as batch process'),
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self.algorithmTree)
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executeBatchAction.triggered.connect(
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self.executeAlgorithmAsBatchProcess)
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popupmenu.addAction(executeBatchAction)
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popupmenu.addSeparator()
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editRenderingStylesAction = QAction(
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self.tr('Edit rendering styles for outputs'),
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self.algorithmTree)
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editRenderingStylesAction.triggered.connect(
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self.editRenderingStyles)
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popupmenu.addAction(editRenderingStylesAction)
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if isinstance(item, (TreeAlgorithmItem, TreeActionItem)):
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data = item.alg if isinstance(item, TreeAlgorithmItem) else item.action
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actions = ProviderContextMenuActions.actions
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if len(actions) > 0:
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popupmenu.addSeparator()
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for action in actions:
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action.setData(data, self)
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if action.isEnabled():
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contextMenuAction = QAction(action.name,
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self.algorithmTree)
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contextMenuAction.triggered.connect(action.execute)
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popupmenu.addAction(contextMenuAction)
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popupmenu.exec_(self.algorithmTree.mapToGlobal(point))
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def editRenderingStyles(self):
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item = self.algorithmTree.currentItem()
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if isinstance(item, TreeAlgorithmItem):
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alg = QgsApplication.processingRegistry().algorithmById(item.alg.id())
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dlg = EditRenderingStylesDialog(alg)
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dlg.exec_()
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def executeAlgorithmAsBatchProcess(self):
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item = self.algorithmTree.currentItem()
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if isinstance(item, TreeAlgorithmItem):
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alg = QgsApplication.processingRegistry().algorithmById(item.alg.id())
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alg = alg.getCopy()
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dlg = BatchAlgorithmDialog(alg)
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dlg.show()
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dlg.exec_()
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def executeAlgorithm(self):
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item = self.algorithmTree.currentItem()
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if isinstance(item, TreeAlgorithmItem):
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alg = QgsApplication.processingRegistry().algorithmById(item.alg.id())
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message = alg.checkBeforeOpeningParametersDialog()
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if message:
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dlg = MessageDialog()
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dlg.setTitle(self.tr('Error executing algorithm'))
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dlg.setMessage(
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self.tr('<h3>This algorithm cannot '
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'be run :-( </h3>\n{0}').format(message))
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dlg.exec_()
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return
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alg = alg.getCopy()
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if (alg.getVisibleParametersCount() + alg.getVisibleOutputsCount()) > 0:
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dlg = alg.getCustomParametersDialog()
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if not dlg:
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dlg = AlgorithmDialog(alg)
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canvas = iface.mapCanvas()
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prevMapTool = canvas.mapTool()
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dlg.show()
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dlg.exec_()
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if canvas.mapTool() != prevMapTool:
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try:
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canvas.mapTool().reset()
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except:
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pass
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canvas.setMapTool(prevMapTool)
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if dlg.executed:
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showRecent = ProcessingConfig.getSetting(
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ProcessingConfig.SHOW_RECENT_ALGORITHMS)
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if showRecent:
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self.addRecentAlgorithms(True)
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else:
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feedback = MessageBarProgress()
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execute(alg, None, feedback)
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handleAlgorithmResults(alg, feedback)
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feedback.close()
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if isinstance(item, TreeActionItem):
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action = item.action
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action.setData(self)
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action.execute()
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def fillTree(self):
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self.fillTreeUsingProviders()
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self.addRecentAlgorithms(False)
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def addRecentAlgorithms(self, updating):
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showRecent = ProcessingConfig.getSetting(
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ProcessingConfig.SHOW_RECENT_ALGORITHMS)
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if showRecent:
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recent = ProcessingLog.getRecentAlgorithms()
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if len(recent) != 0:
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found = False
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if updating:
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recentItem = self.algorithmTree.topLevelItem(0)
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if recentItem.text(0) == self.tr('Recently used algorithms'):
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treeWidget = recentItem.treeWidget()
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treeWidget.takeTopLevelItem(
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treeWidget.indexOfTopLevelItem(recentItem))
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recentItem = QTreeWidgetItem()
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recentItem.setText(0, self.tr('Recently used algorithms'))
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for algname in recent:
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alg = QgsApplication.processingRegistry().algorithmById(algname)
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if alg is not None:
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algItem = TreeAlgorithmItem(alg)
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recentItem.addChild(algItem)
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found = True
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if found:
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self.algorithmTree.insertTopLevelItem(0, recentItem)
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recentItem.setExpanded(True)
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self.algorithmTree.setWordWrap(True)
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def addProvider(self, provider_id):
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provider = QgsApplication.processingRegistry().providerById(provider_id)
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providerItem = TreeProviderItem(provider, self.algorithmTree, self)
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if not provider.isActive():
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providerItem.setHidden(True)
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self.disabledProviderItems[provider.id()] = providerItem
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for i in range(self.algorithmTree.invisibleRootItem().childCount()):
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child = self.algorithmTree.invisibleRootItem().child(i)
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if isinstance(child, TreeProviderItem):
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if child.text(0) > providerItem.text(0):
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break
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self.algorithmTree.insertTopLevelItem(i, providerItem)
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provider.algorithmsLoaded.connect(self.updateProvider)
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def fillTreeUsingProviders(self):
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self.algorithmTree.clear()
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self.disabledProviderItems = {}
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disabled = []
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for provider in QgsApplication.processingRegistry().providers():
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if provider.isActive():
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providerItem = TreeProviderItem(provider, self.algorithmTree, self)
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else:
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disabled.append(provider)
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self.algorithmTree.sortItems(0, Qt.AscendingOrder)
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for provider in disabled:
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providerItem = TreeProviderItem(provider, self.algorithmTree, self)
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providerItem.setHidden(True)
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self.disabledProviderItems[provider.id()] = providerItem
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class TreeAlgorithmItem(QTreeWidgetItem):
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def __init__(self, alg):
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QTreeWidgetItem.__init__(self)
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self.alg = alg
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icon = alg.icon()
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nameEn = alg.name()
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name = alg.displayName()
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name = name if name != '' else nameEn
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self.setIcon(0, icon)
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self.setToolTip(0, name)
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self.setText(0, name)
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self.setData(0, Qt.UserRole, nameEn)
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self.setData(0, Qt.UserRole + 1, alg.tags())
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class TreeActionItem(QTreeWidgetItem):
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def __init__(self, action):
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QTreeWidgetItem.__init__(self)
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self.action = action
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self.setText(0, action.i18n_name)
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self.setIcon(0, action.getIcon())
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self.setData(0, Qt.UserRole, action.name)
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class TreeProviderItem(QTreeWidgetItem):
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def __init__(self, provider, tree, toolbox):
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QTreeWidgetItem.__init__(self, tree)
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self.tree = tree
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self.toolbox = toolbox
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self.provider = provider
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self.setIcon(0, self.provider.icon())
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self.populate()
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def refresh(self):
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self.takeChildren()
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self.populate()
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def populate(self):
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groups = {}
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count = 0
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algs = self.provider.algorithms()
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active = self.provider.isActive()
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# Add algorithms
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for alg in algs:
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if alg.flags() & QgsProcessingAlgorithm.FlagHideFromToolbox:
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continue
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if alg.group() in groups:
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groupItem = groups[alg.group()]
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else:
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groupItem = QTreeWidgetItem()
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name = alg.group()
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if not active:
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groupItem.setForeground(0, Qt.darkGray)
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groupItem.setText(0, name)
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groupItem.setToolTip(0, name)
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groups[alg.group()] = groupItem
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algItem = TreeAlgorithmItem(alg)
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if not active:
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algItem.setForeground(0, Qt.darkGray)
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groupItem.addChild(algItem)
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count += 1
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if self.provider.id() in ProviderActions.actions:
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actions = ProviderActions.actions[self.provider.id()]
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for action in actions:
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if action.group in groups:
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groupItem = groups[action.group]
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else:
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groupItem = QTreeWidgetItem()
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groupItem.setText(0, action.group)
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groups[action.group] = groupItem
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algItem = TreeActionItem(action)
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groupItem.addChild(algItem)
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text = self.provider.name()
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if not active:
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def activateProvider():
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self.toolbox.activateProvider(self.provider.id())
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label = QLabel(text + " <a href='%s'>Activate</a>")
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label.setStyleSheet("QLabel {background-color: white; color: grey;}")
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label.linkActivated.connect(activateProvider)
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self.tree.setItemWidget(self, 0, label)
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else:
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text += QCoreApplication.translate("TreeProviderItem", " [{0} geoalgorithms]").format(count)
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self.setText(0, text)
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self.setToolTip(0, self.text(0))
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for groupItem in list(groups.values()):
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self.addChild(groupItem)
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self.setHidden(self.childCount() == 0)
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