dcs-retribution/qt_ui/widgets/map/SupplyRouteSegment.py
2021-04-20 22:21:42 -07:00

77 lines
2.2 KiB
Python

from functools import cached_property
from typing import List, Optional
from PySide2.QtCore import Qt
from PySide2.QtGui import QColor, QPen
from PySide2.QtWidgets import (
QGraphicsItem,
QGraphicsLineItem,
)
from game.theater import ControlPoint
from game.transfers import Convoy
from qt_ui.uiconstants import COLORS
class SupplyRouteSegment(QGraphicsLineItem):
def __init__(
self,
x0: float,
y0: float,
x1: float,
y1: float,
control_point_a: ControlPoint,
control_point_b: ControlPoint,
convoys: List[Convoy],
parent: Optional[QGraphicsItem] = None,
) -> None:
super().__init__(x0, y0, x1, y1, parent)
self.control_point_a = control_point_a
self.control_point_b = control_point_b
self.convoys = convoys
self.setPen(self.make_pen())
self.setToolTip(self.make_tooltip())
self.setAcceptHoverEvents(True)
@property
def has_convoys(self) -> bool:
return bool(self.convoys)
def make_tooltip(self) -> str:
if not self.has_convoys:
return "No convoys present on this supply route."
convoys = []
for convoy in self.convoys:
units = "units" if convoy.size > 1 else "unit"
convoys.append(
f"{convoy.size} {units} transferring from {convoy.origin} to "
f"{convoy.destination}"
)
return "\n".join(convoys)
@property
def line_color(self) -> QColor:
if self.control_point_a.front_is_active(self.control_point_b):
return COLORS["red"]
elif self.control_point_a.captured:
return COLORS["dark_blue"]
else:
return COLORS["dark_red"]
@property
def line_style(self) -> Qt.PenStyle:
if (
self.control_point_a.front_is_active(self.control_point_b)
or self.has_convoys
):
return Qt.PenStyle.SolidLine
return Qt.PenStyle.DotLine
def make_pen(self) -> QPen:
pen = QPen(brush=self.line_color)
pen.setColor(self.line_color)
pen.setStyle(self.line_style)
pen.setWidth(6)
return pen