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75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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NumberInputPanel.py
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---------------------
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Date : August 2016
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Copyright : (C) 2016 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 str
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__author__ = 'Victor Olaya'
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__date__ = 'August 2016'
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__copyright__ = '(C) 2016, 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 pyqtSignal
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from qgis.PyQt.QtWidgets import QDialog
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from qgis.core import (QgsDataSourceUri,
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QgsCredentials,
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QgsExpression,
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QgsRasterLayer)
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from qgis.gui import QgsEncodingFileDialog, QgsExpressionBuilderDialog
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from qgis.utils import iface
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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', 'widgetBaseSelector.ui'))
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class StringInputPanel(BASE, WIDGET):
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hasChanged = pyqtSignal()
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def __init__(self, param):
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super(StringInputPanel, self).__init__(None)
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self.setupUi(self)
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self.param = param
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self.text = param.default
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self.btnSelect.clicked.connect(self.showExpressionsBuilder)
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self.leText.textChanged.connect(lambda: self.hasChanged.emit())
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def showExpressionsBuilder(self):
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context = self.param.expressionContext()
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dlg = QgsExpressionBuilderDialog(None, self.leText.text(), self, 'generic', context)
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dlg.setWindowTitle(self.tr('Expression based input'))
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if dlg.exec_() == QDialog.Accepted:
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exp = QgsExpression(dlg.expressionText())
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if not exp.hasParserError():
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self.setValue(dlg.expressionText())
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def getValue(self):
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return self.leText.text()
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def setValue(self, value):
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self.leText.setText(str(value))
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