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