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170 lines
6.5 KiB
Python
170 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ParametersPanel.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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(C) 2013 by CS Systemes d'information (CS SI)
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Email : volayaf at gmail dot com
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otb at c-s dot fr (CS SI)
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Contributors : Victor Olaya
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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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__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 QCoreApplication
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from qgis.PyQt.QtWidgets import (QWidget, QHBoxLayout, QToolButton,
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QLabel, QCheckBox)
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from qgis.PyQt.QtGui import QIcon
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from processing.gui.OutputSelectionPanel import OutputSelectionPanel
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from processing.core.parameters import ParameterVector, ParameterExtent, ParameterPoint
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from processing.core.outputs import OutputRaster
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from processing.core.outputs import OutputTable
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from processing.core.outputs import OutputVector
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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', 'widgetParametersPanel.ui'))
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class ParametersPanel(BASE, WIDGET):
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NOT_SELECTED = QCoreApplication.translate('ParametersPanel', '[Not selected]')
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def __init__(self, parent, alg):
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super(ParametersPanel, self).__init__(None)
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self.setupUi(self)
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self.grpAdvanced.hide()
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self.layoutMain = self.scrollAreaWidgetContents.layout()
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self.layoutAdvanced = self.grpAdvanced.layout()
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self.parent = parent
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self.alg = alg
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self.wrappers = {}
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self.outputWidgets = {}
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self.labels = {}
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self.checkBoxes = {}
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self.dependentItems = {}
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self.iterateButtons = {}
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self.initWidgets()
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def layerRegistryChanged(self, layers):
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for wrapper in list(self.wrappers.values()):
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wrapper.refresh()
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def initWidgets(self):
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# If there are advanced parameters — show corresponding groupbox
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for param in self.alg.parameters:
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if param.isAdvanced:
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self.grpAdvanced.show()
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break
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# Create widgets and put them in layouts
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for param in self.alg.parameters:
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if param.hidden:
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continue
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desc = param.description
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if isinstance(param, ParameterExtent):
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desc += self.tr(' (xmin, xmax, ymin, ymax)')
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if isinstance(param, ParameterPoint):
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desc += self.tr(' (x, y)')
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if param.optional:
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desc += self.tr(' [optional]')
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wrapper = self.getWidgetWrapperFromParameter(param)
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self.wrappers[param.name] = wrapper
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widget = wrapper.widget
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if widget is not None:
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if isinstance(param, ParameterVector):
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layout = QHBoxLayout()
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layout.setSpacing(2)
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layout.setMargin(0)
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layout.addWidget(widget)
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button = QToolButton()
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icon = QIcon(os.path.join(pluginPath, 'images', 'iterate.png'))
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button.setIcon(icon)
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button.setToolTip(self.tr('Iterate over this layer'))
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button.setCheckable(True)
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layout.addWidget(button)
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self.iterateButtons[param.name] = button
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button.toggled.connect(self.buttonToggled)
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widget = QWidget()
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widget.setLayout(layout)
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tooltips = self.alg.getParameterDescriptions()
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widget.setToolTip(tooltips.get(param.name, param.description))
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if type(widget) is QCheckBox:
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# checkbox widget - so description is embedded in widget rather than a separate
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# label
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widget.setText(desc)
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else:
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label = QLabel(desc)
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# label.setToolTip(tooltip)
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self.labels[param.name] = label
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if param.isAdvanced:
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self.layoutAdvanced.addWidget(label)
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else:
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self.layoutMain.insertWidget(
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self.layoutMain.count() - 2, label)
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if param.isAdvanced:
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self.layoutAdvanced.addWidget(widget)
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else:
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self.layoutMain.insertWidget(
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self.layoutMain.count() - 2, widget)
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for output in self.alg.outputs:
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if output.hidden:
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continue
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label = QLabel(output.description)
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widget = OutputSelectionPanel(output, self.alg)
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self.layoutMain.insertWidget(self.layoutMain.count() - 1, label)
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self.layoutMain.insertWidget(self.layoutMain.count() - 1, widget)
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if isinstance(output, (OutputRaster, OutputVector, OutputTable)):
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check = QCheckBox()
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check.setText(self.tr('Open output file after running algorithm'))
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check.setChecked(True)
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self.layoutMain.insertWidget(self.layoutMain.count() - 1, check)
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self.checkBoxes[output.name] = check
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self.outputWidgets[output.name] = widget
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for wrapper in list(self.wrappers.values()):
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wrapper.postInitialize(list(self.wrappers.values()))
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def buttonToggled(self, value):
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if value:
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sender = self.sender()
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for button in list(self.iterateButtons.values()):
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if button is not sender:
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button.setChecked(False)
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def getWidgetWrapperFromParameter(self, param):
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return param.wrapper(self.parent)
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