mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-31 00:06:02 -04:00
495 lines
20 KiB
Python
495 lines
20 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
ModelerDialog.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 codecs
|
|
import pickle
|
|
from PyQt4.QtCore import *
|
|
from PyQt4.QtGui import *
|
|
from processing.core.ProcessingConfig import ProcessingConfig
|
|
from processing.core.GeoAlgorithm import GeoAlgorithm
|
|
from processing.gui.HelpEditionDialog import HelpEditionDialog
|
|
from processing.gui.ParametersDialog import ParametersDialog
|
|
from processing.gui.AlgorithmClassification import AlgorithmDecorator
|
|
from processing.modeler.ModelerParameterDefinitionDialog import \
|
|
ModelerParameterDefinitionDialog
|
|
from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
|
|
from processing.modeler.ModelerParametersDialog import ModelerParametersDialog
|
|
from processing.modeler.ModelerUtils import ModelerUtils
|
|
from processing.modeler.WrongModelException import WrongModelException
|
|
from processing.modeler.ModelerScene import ModelerScene
|
|
from processing.modeler.Providers import Providers
|
|
from processing.tools.system import *
|
|
|
|
from processing.ui.ui_DlgModeler import Ui_DlgModeler
|
|
|
|
|
|
class ModelerDialog(QDialog, Ui_DlgModeler):
|
|
|
|
USE_CATEGORIES = '/Processing/UseSimplifiedInterface'
|
|
|
|
def __init__(self, alg=None):
|
|
QDialog.__init__(self)
|
|
|
|
self.hasChanged = False
|
|
self.setupUi(self)
|
|
|
|
self.tabWidget.setCurrentIndex(0)
|
|
self.scene = ModelerScene(self)
|
|
self.scene.setSceneRect(QRectF(0, 0, 4000, 4000))
|
|
self.view.setScene(self.scene)
|
|
self.view.ensureVisible(0, 0, 10, 10)
|
|
|
|
# Set icons
|
|
self.btnOpen.setIcon(
|
|
QgsApplication.getThemeIcon('/mActionFileOpen.svg'))
|
|
self.btnSave.setIcon(
|
|
QgsApplication.getThemeIcon('/mActionFileSave.svg'))
|
|
self.btnSaveAs.setIcon(
|
|
QgsApplication.getThemeIcon('/mActionFileSaveAs.svg'))
|
|
self.btnExportImage.setIcon(
|
|
QgsApplication.getThemeIcon('/mActionSaveMapAsImage.png'))
|
|
self.btnEditHelp.setIcon(QIcon(':/processing/images/edithelp.png'))
|
|
self.btnRun.setIcon(QIcon(':/processing/images/runalgorithm.png'))
|
|
|
|
# Fill trees with inputs and algorithms
|
|
self.fillInputsTree()
|
|
self.fillAlgorithmTree()
|
|
|
|
if hasattr(self.searchBox, 'setPlaceholderText'):
|
|
self.searchBox.setPlaceholderText(self.tr('Search...'))
|
|
if hasattr(self.textName, 'setPlaceholderText'):
|
|
self.textName.setPlaceholderText('[Enter model name here]')
|
|
if hasattr(self.textGroup, 'setPlaceholderText'):
|
|
self.textGroup.setPlaceholderText('[Enter group name here]')
|
|
|
|
# Connect signals and slots
|
|
self.inputsTree.doubleClicked.connect(self.addInput)
|
|
self.searchBox.textChanged.connect(self.fillAlgorithmTree)
|
|
self.algorithmTree.doubleClicked.connect(self.addAlgorithm)
|
|
|
|
self.btnOpen.clicked.connect(self.openModel)
|
|
self.btnSave.clicked.connect(self.save)
|
|
self.btnSaveAs.clicked.connect(self.saveAs)
|
|
self.btnExportImage.clicked.connect(self.exportAsImage)
|
|
self.btnEditHelp.clicked.connect(self.editHelp)
|
|
self.btnRun.clicked.connect(self.runModel)
|
|
|
|
if alg is not None:
|
|
self.alg = alg
|
|
self.textGroup.setText(alg.group)
|
|
self.textName.setText(alg.name)
|
|
self.repaintModel()
|
|
else:
|
|
self.alg = ModelerAlgorithm()
|
|
|
|
self.view.centerOn(0, 0)
|
|
self.alg.setModelerView(self)
|
|
self.help = None
|
|
# Indicates whether to update or not the toolbox after
|
|
# closing this dialog
|
|
self.update = False
|
|
|
|
def closeEvent(self, evt):
|
|
if self.hasChanged:
|
|
ret = QMessageBox.question(self, self.tr('Message'),
|
|
self.tr('There are unsaved changes in model. Close '
|
|
'modeler without saving?'),
|
|
QMessageBox.Yes | QMessageBox.No,
|
|
QMessageBox.No)
|
|
|
|
if ret == QMessageBox.Yes:
|
|
evt.accept()
|
|
else:
|
|
evt.ignore()
|
|
else:
|
|
evt.accept()
|
|
|
|
def editHelp(self):
|
|
dlg = HelpEditionDialog(self.alg)
|
|
dlg.exec_()
|
|
|
|
# We store the description string in case there were not
|
|
# saved because there was no filename defined yet
|
|
if self.alg.descriptionFile is None and dlg.descriptions:
|
|
self.help = dlg.descriptions
|
|
|
|
def runModel(self):
|
|
# TODO: enable alg cloning without saving to file
|
|
if len(self.alg.algs) == 0:
|
|
QMessageBox.warning(self, self.tr('Empty model'),
|
|
self.tr("Model doesn't contains any algorithms and/or \
|
|
parameters and can't be executed"))
|
|
return
|
|
|
|
if self.alg.descriptionFile is None:
|
|
self.alg.descriptionFile = getTempFilename('model')
|
|
text = self.alg.serialize()
|
|
fout = open(self.alg.descriptionFile, 'w')
|
|
fout.write(text)
|
|
fout.close()
|
|
self.alg.provider = Providers.providers['model']
|
|
alg = self.alg.getCopy()
|
|
dlg = ParametersDialog(alg)
|
|
dlg.exec_()
|
|
self.alg.descriptionFile = None
|
|
alg.descriptionFile = None
|
|
else:
|
|
if self.alg.provider is None:
|
|
# Might happen if model is opened from modeler dialog
|
|
self.alg.provider = Providers.providers['model']
|
|
alg = self.alg.getCopy()
|
|
dlg = ParametersDialog(alg)
|
|
dlg.exec_()
|
|
|
|
def save(self):
|
|
self.saveModel(False)
|
|
|
|
def saveAs(self):
|
|
self.saveModel(True)
|
|
|
|
def exportAsImage(self):
|
|
filename = unicode(QFileDialog.getSaveFileName(self,
|
|
self.tr('Save Model As Image'), '',
|
|
self.tr('PNG files (*.png *.PNG)')))
|
|
if not filename:
|
|
return
|
|
|
|
if not filename.lower().endswith('.png'):
|
|
filename += '.png'
|
|
|
|
totalRect = QRectF(0, 0, 1, 1)
|
|
for item in self.scene.items():
|
|
totalRect = totalRect.united(item.sceneBoundingRect())
|
|
totalRect.adjust(-10, -10, 10, 10)
|
|
|
|
img = QImage(totalRect.width(), totalRect.height(),
|
|
QImage.Format_ARGB32_Premultiplied)
|
|
img.fill(Qt.white)
|
|
painter = QPainter()
|
|
painter.setRenderHint(QPainter.Antialiasing)
|
|
painter.begin(img)
|
|
self.scene.render(painter, totalRect, totalRect)
|
|
painter.end()
|
|
|
|
img.save(filename)
|
|
|
|
def saveModel(self, saveAs):
|
|
if unicode(self.textGroup.text()).strip() == '' \
|
|
or unicode(self.textName.text()).strip() == '':
|
|
QMessageBox.warning(self, self.tr('Warning'),
|
|
self.tr('Please enter group and model names before saving'
|
|
))
|
|
return
|
|
self.alg.setPositions(self.scene.getParameterPositions(),
|
|
self.scene.getAlgorithmPositions(),
|
|
self.scene.getOutputPositions())
|
|
self.alg.name = unicode(self.textName.text())
|
|
self.alg.group = unicode(self.textGroup.text())
|
|
if self.alg.descriptionFile is not None and not saveAs:
|
|
filename = self.alg.descriptionFile
|
|
else:
|
|
filename = unicode(QFileDialog.getSaveFileName(self,
|
|
self.tr('Save Model'),
|
|
ModelerUtils.modelsFolder(),
|
|
self.tr('Processing models (*.model)')))
|
|
if filename:
|
|
if not filename.endswith('.model'):
|
|
filename += '.model'
|
|
self.alg.descriptionFile = filename
|
|
if filename:
|
|
text = self.alg.serialize()
|
|
try:
|
|
fout = codecs.open(filename, 'w', encoding='utf-8')
|
|
except:
|
|
if saveAs:
|
|
QMessageBox.warning(self, self.tr('I/O error'),
|
|
self.tr('Unable to save edits. Reason:\n %s')
|
|
% unicode(sys.exc_info()[1]))
|
|
else:
|
|
QMessageBox.warning(self, self.tr("Can't save model"),
|
|
self.tr("This model can't be saved in its \
|
|
original location (probably you do not \
|
|
have permission to do it). Please, use \
|
|
the 'Save as...' option."))
|
|
return
|
|
fout.write(text)
|
|
fout.close()
|
|
self.update = True
|
|
|
|
# If help strings were defined before saving the model
|
|
# for the first time, we do it here.
|
|
if self.help:
|
|
f = open(self.alg.descriptionFile + '.help', 'wb')
|
|
pickle.dump(self.help, f)
|
|
f.close()
|
|
self.help = None
|
|
QMessageBox.information(self, self.tr('Model saved'),
|
|
self.tr('Model was correctly saved.'))
|
|
|
|
self.hasChanged = False
|
|
|
|
def openModel(self):
|
|
filename = unicode(QFileDialog.getOpenFileName(self,
|
|
self.tr('Open Model'), ModelerUtils.modelsFolder(),
|
|
self.tr('Processing models (*.model)')))
|
|
if filename:
|
|
try:
|
|
alg = ModelerAlgorithm()
|
|
alg.openModel(filename)
|
|
self.alg = alg
|
|
self.alg.setModelerView(self)
|
|
self.textGroup.setText(alg.group)
|
|
self.textName.setText(alg.name)
|
|
self.repaintModel()
|
|
if self.scene.getLastAlgorithmItem():
|
|
self.view.ensureVisible(self.scene.getLastAlgorithmItem())
|
|
self.view.centerOn(0, 0)
|
|
self.hasChanged = False
|
|
except WrongModelException, e:
|
|
QMessageBox.critical(self, self.tr('Could not open model'),
|
|
self.tr('The selected model could not be loaded.\n\
|
|
Wrong line: %s') % e.msg)
|
|
|
|
def repaintModel(self):
|
|
self.scene = ModelerScene()
|
|
self.scene.setSceneRect(QRectF(0, 0, ModelerAlgorithm.CANVAS_SIZE,
|
|
ModelerAlgorithm.CANVAS_SIZE))
|
|
self.scene.paintModel(self.alg)
|
|
self.view.setScene(self.scene)
|
|
|
|
def addInput(self):
|
|
item = self.inputsTree.currentItem()
|
|
paramType = str(item.text(0))
|
|
if paramType in ModelerParameterDefinitionDialog.paramTypes:
|
|
dlg = ModelerParameterDefinitionDialog(self.alg, paramType)
|
|
dlg.exec_()
|
|
if dlg.param is not None:
|
|
self.alg.setPositions(self.scene.getParameterPositions(),
|
|
self.scene.getAlgorithmPositions(),
|
|
self.scene.getOutputPositions())
|
|
self.alg.addParameter(dlg.param)
|
|
self.repaintModel()
|
|
self.view.ensureVisible(self.scene.getLastParameterItem())
|
|
self.hasChanged = True
|
|
|
|
def fillInputsTree(self):
|
|
parametersItem = QTreeWidgetItem()
|
|
parametersItem.setText(0, self.tr('Parameters'))
|
|
for paramType in ModelerParameterDefinitionDialog.paramTypes:
|
|
paramItem = QTreeWidgetItem()
|
|
paramItem.setText(0, paramType)
|
|
parametersItem.addChild(paramItem)
|
|
self.inputsTree.addTopLevelItem(parametersItem)
|
|
parametersItem.setExpanded(True)
|
|
|
|
def addAlgorithm(self):
|
|
item = self.algorithmTree.currentItem()
|
|
if isinstance(item, TreeAlgorithmItem):
|
|
alg = ModelerUtils.getAlgorithm(item.alg.commandLineName())
|
|
alg = alg.getCopy()
|
|
dlg = alg.getCustomModelerParametersDialog(self.alg)
|
|
if not dlg:
|
|
dlg = ModelerParametersDialog(alg, self.alg)
|
|
dlg.exec_()
|
|
if dlg.params is not None:
|
|
self.alg.setPositions(self.scene.getParameterPositions(),
|
|
self.scene.getAlgorithmPositions(),
|
|
self.scene.getOutputPositions())
|
|
self.alg.addAlgorithm(alg, dlg.params, dlg.values,
|
|
dlg.outputs, dlg.dependencies)
|
|
self.repaintModel()
|
|
self.view.ensureVisible(self.scene.getLastAlgorithmItem())
|
|
self.hasChanged = False
|
|
|
|
def fillAlgorithmTree(self):
|
|
settings = QSettings()
|
|
useCategories = settings.value(self.USE_CATEGORIES, type=bool)
|
|
if useCategories:
|
|
self.fillAlgorithmTreeUsingCategories()
|
|
else:
|
|
self.fillAlgorithmTreeUsingProviders()
|
|
|
|
self.algorithmTree.sortItems(0, Qt.AscendingOrder)
|
|
|
|
text = unicode(self.searchBox.text())
|
|
if text != '':
|
|
self.algorithmTree.expandAll()
|
|
|
|
def fillAlgorithmTreeUsingCategories(self):
|
|
providersToExclude = ['model', 'script']
|
|
self.algorithmTree.clear()
|
|
text = unicode(self.searchBox.text())
|
|
groups = {}
|
|
allAlgs = ModelerUtils.getAlgorithms()
|
|
for providerName in allAlgs.keys():
|
|
provider = allAlgs[providerName]
|
|
name = 'ACTIVATE_' + providerName.upper().replace(' ', '_')
|
|
if not ProcessingConfig.getSetting(name):
|
|
continue
|
|
if providerName in providersToExclude \
|
|
or len(Providers.providers[providerName].actions) != 0:
|
|
continue
|
|
algs = provider.values()
|
|
|
|
# Add algorithms
|
|
for alg in algs:
|
|
if not alg.showInModeler or alg.allowOnlyOpenedLayers:
|
|
continue
|
|
(altgroup, altsubgroup, altname) = \
|
|
AlgorithmDecorator.getGroupsAndName(alg)
|
|
if altgroup is None:
|
|
continue
|
|
if text == '' or text.lower() in altname.lower():
|
|
if altgroup not in groups:
|
|
groups[altgroup] = {}
|
|
group = groups[altgroup]
|
|
if altsubgroup not in group:
|
|
groups[altgroup][altsubgroup] = []
|
|
subgroup = groups[altgroup][altsubgroup]
|
|
subgroup.append(alg)
|
|
|
|
if len(groups) > 0:
|
|
mainItem = QTreeWidgetItem()
|
|
mainItem.setText(0, 'Geoalgorithms')
|
|
mainItem.setIcon(0, GeoAlgorithm.getDefaultIcon())
|
|
mainItem.setToolTip(0, mainItem.text(0))
|
|
for (groupname, group) in groups.items():
|
|
groupItem = QTreeWidgetItem()
|
|
groupItem.setText(0, groupname)
|
|
groupItem.setIcon(0, GeoAlgorithm.getDefaultIcon())
|
|
groupItem.setToolTip(0, groupItem.text(0))
|
|
mainItem.addChild(groupItem)
|
|
for (subgroupname, subgroup) in group.items():
|
|
subgroupItem = QTreeWidgetItem()
|
|
subgroupItem.setText(0, subgroupname)
|
|
subgroupItem.setIcon(0, GeoAlgorithm.getDefaultIcon())
|
|
subgroupItem.setToolTip(0, subgroupItem.text(0))
|
|
groupItem.addChild(subgroupItem)
|
|
for alg in subgroup:
|
|
algItem = TreeAlgorithmItem(alg)
|
|
subgroupItem.addChild(algItem)
|
|
self.algorithmTree.addTopLevelItem(mainItem)
|
|
|
|
for providerName in allAlgs.keys():
|
|
groups = {}
|
|
provider = allAlgs[providerName]
|
|
name = 'ACTIVATE_' + providerName.upper().replace(' ', '_')
|
|
if not ProcessingConfig.getSetting(name):
|
|
continue
|
|
if providerName not in providersToExclude:
|
|
continue
|
|
algs = provider.values()
|
|
|
|
# Add algorithms
|
|
for alg in algs:
|
|
if not alg.showInModeler or alg.allowOnlyOpenedLayers:
|
|
continue
|
|
if text == '' or text.lower() in alg.name.lower():
|
|
if alg.group in groups:
|
|
groupItem = groups[alg.group]
|
|
else:
|
|
groupItem = QTreeWidgetItem()
|
|
groupItem.setText(0, alg.group)
|
|
groupItem.setToolTip(0, alg.group)
|
|
groups[alg.group] = groupItem
|
|
algItem = TreeAlgorithmItem(alg)
|
|
groupItem.addChild(algItem)
|
|
|
|
if len(groups) > 0:
|
|
providerItem = QTreeWidgetItem()
|
|
providerItem.setText(0,
|
|
Providers.providers[providerName].getDescription())
|
|
providerItem.setIcon(0,
|
|
Providers.providers[providerName].getIcon())
|
|
providerItem.setToolTip(0, providerItem.text(0))
|
|
for groupItem in groups.values():
|
|
providerItem.addChild(groupItem)
|
|
self.algorithmTree.addTopLevelItem(providerItem)
|
|
providerItem.setExpanded(text != '')
|
|
for groupItem in groups.values():
|
|
if text != '':
|
|
groupItem.setExpanded(True)
|
|
|
|
def fillAlgorithmTreeUsingProviders(self):
|
|
self.algorithmTree.clear()
|
|
text = str(self.searchBox.text())
|
|
allAlgs = ModelerUtils.getAlgorithms()
|
|
for providerName in allAlgs.keys():
|
|
groups = {}
|
|
provider = allAlgs[providerName]
|
|
algs = provider.values()
|
|
|
|
# Add algorithms
|
|
for alg in algs:
|
|
if not alg.showInModeler or alg.allowOnlyOpenedLayers:
|
|
continue
|
|
if text == '' or text.lower() in alg.name.lower():
|
|
if alg.group in groups:
|
|
groupItem = groups[alg.group]
|
|
else:
|
|
groupItem = QTreeWidgetItem()
|
|
groupItem.setText(0, alg.group)
|
|
groupItem.setToolTip(0, alg.group)
|
|
groups[alg.group] = groupItem
|
|
algItem = TreeAlgorithmItem(alg)
|
|
groupItem.addChild(algItem)
|
|
|
|
if len(groups) > 0:
|
|
providerItem = QTreeWidgetItem()
|
|
providerItem.setText(0,
|
|
Providers.providers[providerName].getDescription())
|
|
providerItem.setToolTip(0,
|
|
Providers.providers[providerName].getDescription())
|
|
providerItem.setIcon(0,
|
|
Providers.providers[providerName].getIcon())
|
|
for groupItem in groups.values():
|
|
providerItem.addChild(groupItem)
|
|
self.algorithmTree.addTopLevelItem(providerItem)
|
|
providerItem.setExpanded(text != '')
|
|
for groupItem in groups.values():
|
|
if text != '':
|
|
groupItem.setExpanded(True)
|
|
|
|
self.algorithmTree.sortItems(0, Qt.AscendingOrder)
|
|
|
|
|
|
class TreeAlgorithmItem(QTreeWidgetItem):
|
|
|
|
def __init__(self, alg):
|
|
settings = QSettings()
|
|
useCategories = settings.value(ModelerDialog.USE_CATEGORIES, type=bool)
|
|
QTreeWidgetItem.__init__(self)
|
|
self.alg = alg
|
|
icon = alg.getIcon()
|
|
name = alg.name
|
|
if useCategories:
|
|
icon = GeoAlgorithm.getDefaultIcon()
|
|
(group, subgroup, name) = AlgorithmDecorator.getGroupsAndName(alg)
|
|
self.setIcon(0, icon)
|
|
self.setToolTip(0, name)
|
|
self.setText(0, name)
|