# Created By: Virgil Dupras
# Created On: 2010-02-05
# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html

from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QDockWidget, QWidget

from .details_table import DetailsModel
from hscommon.plat import ISLINUX


class DetailsDialog(QDockWidget):
    def __init__(self, parent, app, **kwargs):
        super().__init__(parent, Qt.Tool, **kwargs)
        self.parent = parent
        self.app = app
        self.model = app.model.details_panel
        self.setAllowedAreas(Qt.AllDockWidgetAreas)
        self._setupUi()
        # To avoid saving uninitialized geometry on appWillSavePrefs, we track whether our dialog
        # has been shown. If it has, we know that our geometry should be saved.
        self._shown_once = False
        self.app.prefs.restoreGeometry("DetailsWindowRect", self)
        self.tableModel = DetailsModel(self.model)
        # tableView is defined in subclasses
        self.tableView.setModel(self.tableModel)
        self.model.view = self

        self.app.willSavePrefs.connect(self.appWillSavePrefs)

    def _setupUi(self):  # Virtual
        pass

    def show(self):
        self._shown_once = True
        if not self.isVisible():
            super().show()
            self.update_options()

    def update_options(self):
        # This disables the title bar (if we had not set one before already)
        # essentially making it a simple floating window, not dockable anymore
        if not self.app.prefs.details_dialog_titlebar_enabled \
                and not self.titleBarWidget():
            self.setTitleBarWidget(QWidget())
            # Windows (and MacOS?) users cannot move a floating window which
            # has not native decoration so we force it to dock for now
            if not ISLINUX:
                self.setFloating(False)
        elif self.titleBarWidget() is not None:
            # resets to the default title bar
            self.setTitleBarWidget(None)

        features = self.features()
        if self.app.prefs.details_dialog_vertical_titlebar:
            self.setFeatures(features | QDockWidget.DockWidgetVerticalTitleBar)
        elif features & QDockWidget.DockWidgetVerticalTitleBar:
            self.setFeatures(features ^ QDockWidget.DockWidgetVerticalTitleBar)

    # --- Events
    def appWillSavePrefs(self):
        if self._shown_once and self.isFloating():
            self.app.prefs.saveGeometry("DetailsWindowRect", self)

    # --- model --> view
    def refresh(self):
        self.tableModel.beginResetModel()
        self.tableModel.endResetModel()