Pamhyr2/src/View/MainWindowTabGraph.py

140 lines
4.7 KiB
Python

# MainWindowTabGraph.py -- Pamhyr
# Copyright (C) 2026 INRAE
#
# 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 3 of the License, or
# (at your option) any later version.
# -*- coding: utf-8 -*-
from View.Tools.Plot.PamhyrCanvas import MplCanvas
from View.Tools.Plot.PamhyrToolbar import PamhyrPlotToolbar
from View.PlotXY import PlotXY
from View.Network.GraphWidget import GraphWidget
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (
QWidget, QGroupBox, QLabel, QHBoxLayout, QVBoxLayout, QSplitter,
)
class WidgetGraph(QWidget):
"""Read-only network graph displayed in the main window."""
def __init__(self, study=None, trad=None, parent=None):
super(WidgetGraph, self).__init__(parent)
self._study = study
self._trad = trad
self._plot_river = None
layout = QHBoxLayout(self)
self._splitter = QSplitter(Qt.Horizontal, self)
self._splitter.setChildrenCollapsible(False)
layout.addWidget(self._splitter)
self._graph_widget = None
self._graph_group = QGroupBox(
self._trad["graph_network_title"], self
)
self._graph_layout = QVBoxLayout(self._graph_group)
self._graph_title = QLabel(self._graph_group)
self._graph_title.setTextFormat(Qt.PlainText)
self._graph_title.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
self._graph_title.setWordWrap(True)
self._graph_layout.addWidget(self._graph_title)
self._update_graph_title()
self._splitter.addWidget(self._graph_group)
self.canvas = MplCanvas(width=5, height=4, dpi=100)
self.canvas.setObjectName("canvas_graph")
self.toolbar = PamhyrPlotToolbar(
self.canvas, self,
items=["home", "zoom", "save", "iso", "back/forward", "move"]
)
self._plot_group = QGroupBox(
self._trad["graph_geographic_title"], self
)
self._plot_layout = QVBoxLayout(self._plot_group)
self._plot_layout.addWidget(self.toolbar)
self._plot_layout.addWidget(self.canvas, 1)
self._splitter.addWidget(self._plot_group)
self._splitter.setStretchFactor(0, 1)
self._splitter.setStretchFactor(1, 1)
self._splitter.setSizes([1000, 1000])
self.plot = PlotXY(
canvas=self.canvas,
data=None,
trad=self._trad,
toolbar=self.toolbar,
parent=self
)
@property
def study(self):
return self._study
@study.setter
def study(self, study):
self._study = study
self._update_graph_title()
def _update_graph_title(self):
self._graph_title.setText(
self._study.name if self._study is not None else ""
)
def update(self):
river = self._study.river if self._study is not None else None
view = None
if river is not None and river is self._plot_river:
axes = self.canvas.axes
if axes.has_data():
view = (axes.get_xlim(), axes.get_ylim(),
axes.get_aspect(), axes.get_adjustable())
self._update_graph_title()
if (self._graph_widget is not None
and (self._study is None
or self._graph_widget.graph is not self._study.river)):
self._graph_layout.removeWidget(self._graph_widget)
self._graph_widget.deleteLater()
self._graph_widget = None
if self._study is not None and self._graph_widget is None:
self._graph_widget = GraphWidget(
self._study.river,
parent=self,
only_display=True,
trad=self._trad,
)
self._graph_layout.addWidget(self._graph_widget, 1)
elif self._graph_widget is not None:
self._graph_widget.display_update()
data = None
geotiff = None
if self._study is not None:
data = self._study.river.enable_edges()
geotiff = self._study.river.geotiff
self.plot = PlotXY(
canvas=self.canvas,
data=data,
geotiff=geotiff,
trad=self._trad,
toolbar=self.toolbar,
parent=self
)
self.plot.update()
self._plot_river = river
if view is not None:
x_limits, y_limits, aspect, adjustable = view
self.canvas.axes.set_aspect(aspect, adjustable=adjustable)
self.canvas.axes.set_xlim(x_limits)
self.canvas.axes.set_ylim(y_limits)
self.canvas.draw_idle()