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100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
"""
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***************************************************************************
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PointSelectionPanel.py
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---------------------
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Date : February 2016
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Copyright : (C) 2016 by Alexander Bruy
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Email : alexander dot bruy 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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__author__ = "Alexander Bruy"
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__date__ = "February 2016"
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__copyright__ = "(C) 2016, Alexander Bruy"
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import os
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import warnings
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from qgis.core import QgsProject, QgsReferencedPointXY, QgsPointXY
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from qgis.PyQt import uic
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from qgis.utils import iface
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from processing.gui.PointMapTool import PointMapTool
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pluginPath = os.path.split(os.path.dirname(__file__))[0]
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", category=DeprecationWarning)
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WIDGET, BASE = uic.loadUiType(
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os.path.join(pluginPath, "ui", "widgetBaseSelector.ui")
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)
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class PointSelectionPanel(BASE, WIDGET):
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def __init__(self, dialog, default=None):
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super().__init__(None)
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self.setupUi(self)
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self.btnSelect.clicked.connect(self.selectOnCanvas)
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self.dialog = dialog
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self.crs = QgsProject.instance().crs()
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if iface is not None:
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canvas = iface.mapCanvas()
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self.prevMapTool = canvas.mapTool()
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self.tool = PointMapTool(canvas)
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self.tool.canvasClicked.connect(self.updatePoint)
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self.tool.complete.connect(self.pointPicked)
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else:
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self.prevMapTool = None
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self.tool = None
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if default:
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tokens = str(default).split(",")
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if len(tokens) == 2:
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try:
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float(tokens[0])
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float(tokens[1])
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self.leText.setText(str(default))
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except:
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pass
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def selectOnCanvas(self):
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canvas = iface.mapCanvas()
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canvas.setMapTool(self.tool)
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self.dialog.showMinimized()
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def updatePoint(self, point, button):
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s = f"{point.x()},{point.y()}"
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self.crs = QgsProject.instance().crs()
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if self.crs.isValid():
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s += " [" + self.crs.authid() + "]"
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self.leText.setText(s)
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def pointPicked(self):
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canvas = iface.mapCanvas()
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canvas.setMapTool(self.prevMapTool)
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self.dialog.showNormal()
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self.dialog.raise_()
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self.dialog.activateWindow()
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def getValue(self):
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if str(self.leText.text()).strip() != "":
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return str(self.leText.text())
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else:
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return None
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def setPointFromString(self, s):
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self.leText.setText(s)
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