Dan Albert fd454dce74 Load campaign data lazily.
Error checking comes later, but the new game wizard opens much faster by
not spending time creating theaters it doesn't need.

Fixes https://github.com/Khopa/dcs_liberation/issues/469
2020-11-26 22:14:23 -08:00

98 lines
2.9 KiB
Python

from __future__ import annotations
import json
import logging
from dataclasses import dataclass
from pathlib import Path
from typing import Any, Dict, List
from PySide2 import QtGui
from PySide2.QtCore import QItemSelectionModel
from PySide2.QtGui import QStandardItem, QStandardItemModel
from PySide2.QtWidgets import QAbstractItemView, QListView
import qt_ui.uiconstants as CONST
from game.theater import ConflictTheater
@dataclass(frozen=True)
class Campaign:
name: str
icon_name: str
authors: str
description: str
data: Dict[str, Any]
path: Path
@classmethod
def from_json(cls, path: Path) -> Campaign:
with path.open() as campaign_file:
data = json.load(campaign_file)
sanitized_theater = data["theater"].replace(" ", "")
return cls(
data["name"],
f"Terrain_{sanitized_theater}",
data.get("authors", "???"),
data.get("description", ""),
data,
path
)
def load_theater(self) -> ConflictTheater:
return ConflictTheater.from_json(self.path.parent, self.data)
def load_campaigns() -> List[Campaign]:
campaign_dir = Path("resources\\campaigns")
campaigns = []
for path in campaign_dir.glob("*.json"):
try:
logging.debug(f"Loading campaign from {path}...")
campaign = Campaign.from_json(path)
campaigns.append(campaign)
except RuntimeError:
logging.exception(f"Unable to load campaign from {path}")
return sorted(campaigns, key=lambda x: x.name)
class QCampaignItem(QStandardItem):
def __init__(self, campaign: Campaign) -> None:
super(QCampaignItem, self).__init__()
self.setIcon(QtGui.QIcon(CONST.ICONS[campaign.icon_name]))
self.setEditable(False)
self.setText(campaign.name)
class QCampaignList(QListView):
def __init__(self, campaigns: List[Campaign]) -> None:
super(QCampaignList, self).__init__()
self.model = QStandardItemModel(self)
self.setModel(self.model)
self.setMinimumWidth(250)
self.setMinimumHeight(350)
self.campaigns = []
self.setSelectionBehavior(QAbstractItemView.SelectItems)
self.setup_content(campaigns)
def setup_content(self, campaigns: List[Campaign]) -> None:
for campaign in campaigns:
self.campaigns.append(campaign)
item = QCampaignItem(campaign)
self.model.appendRow(item)
self.setSelectedCampaign(0)
self.repaint()
def setSelectedCampaign(self, row):
self.selectionModel().clearSelection()
index = self.model.index(row, 0)
if not index.isValid():
index = self.model.index(0, 0)
self.selectionModel().setCurrentIndex(index, QItemSelectionModel.Select)
self.repaint()
def clear_layout(self):
self.model.removeRows(0, self.model.rowCount())