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main_window.py
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import os
from PyQt5.QtCore import Qt, QThread, pyqtSignal, pyqtSlot
from PyQt5.QtWidgets import QHeaderView, QMainWindow, QMessageBox
from PyQt5.uic import loadUi
from config import (NETEASE_CLOUD_MUSIC, RESOURCE_PATH, SUPPORED_WEB_SITES,
ButtonConfig)
from manager.download_manager import DownloadManager
from manager.play_manager import PlayManager
from manager.search_manager import SearchManager
from model.download_model import DownloadModel
from model.song_model import SongModel
from resources.about_dialog import AboutDialog
from utils import get_screen_center_rect
from view.download_table_view import DownloadTableView
from view.song_table_view import SongTableHeaderView, SongTableView
class SpiderThread(QThread):
finished = pyqtSignal()
def __init__(self, fun, arg):
super().__init__()
self.fun = fun
self.arg = arg
def run(self):
self.result, self.num = self.fun(self.arg)
self.finished.emit()
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.ui = loadUi(os.path.join(RESOURCE_PATH, "mainwindow.ui"), self)
self.download_item_model = DownloadModel()
self.download_manager = DownloadManager(self.download_item_model)
self.download_table_view = DownloadTableView(
self.ui.download_tab, self.download_manager)
self.download_table_view.setModel(self.download_item_model)
self.download_table_view.horizontalHeader().setStretchLastSection(True)
self.ui.download_grid_layout.addWidget(self.download_table_view, 0, 0)
self.play_manager = PlayManager(self.ui.play_layout, parent)
self.song_item_model = SongModel(self)
self.song_table_view = SongTableView(
self.ui.search_tab, self.download_manager, self.play_manager)
self.song_table_view.setModel(self.song_item_model)
song_header_view = SongTableHeaderView(
Qt.Horizontal, self.song_table_view.model(), self.song_table_view)
self.song_table_view.setHorizontalHeader(song_header_view)
self.song_item_model.update_selection.connect(
song_header_view.update_section)
self.song_item_model.update_selection.connect(
self.update_download_button)
self.song_table_view.horizontalHeader().setSectionResizeMode(
SongModel.SECLECTION_INDEX, QHeaderView.Fixed)
self.song_table_view.setColumnWidth(SongModel.SECLECTION_INDEX, 35)
self.song_table_view.setColumnWidth(SongModel.NAME_INDEX, 300)
self.song_table_view.horizontalHeader().setStretchLastSection(True)
self.ui.search_grid_layout.addWidget(self.song_table_view, 1, 0)
self.ui.search_button.setIcon(ButtonConfig.SEARCH_ICON)
self.search_manager = SearchManager(
self.song_item_model, self.ui.page_layout, parent)
self.ui.search_site_combobox.addItems(SUPPORED_WEB_SITES.keys())
self.old_spider = None
self.old_query = None
self.old_playlist_id = None
# pyqtSlot() 指明函数签名，防止两个插槽都收到信号
@pyqtSlot()
def on_about_triggered(self):
a = AboutDialog(self)
a.setWindowFlags(a.windowFlags() & ~Qt.WindowContextHelpButtonHint)
a.exec()
def update_download_button(self):
self.ui.download_button.setEnabled(
not self.song_item_model.is_all_unselected())
@pyqtSlot()
def on_download_button_clicked(self):
QMessageBox.information(self, "提示", "暂不提供下载")
# spider = self.song_item_model.get_spider()
# for song in self.song_item_model.get_items():
# if song.selected:
# self.download_manager.add_download()
# self.song_item_model.unselect_all()
@pyqtSlot()
def on_jump_button_clicked(self):
playlist_id = self.ui.cloud_music_play_list_line_edit.text()
if not playlist_id or len(playlist_id) == 0:
return
if self.old_playlist_id == playlist_id:
return
self.old_playlist_id = playlist_id
spider = SUPPORED_WEB_SITES[NETEASE_CLOUD_MUSIC]
self.playlist_spider_thread = SpiderThread(
spider.get_playlist, playlist_id)
self.playlist_spider_thread.finished.connect(self.playlist_finished)
self.playlist_spider_thread.start()
@pyqtSlot()
def playlist_finished(self):
playlist_id = self.ui.cloud_music_play_list_line_edit.text()
spider = SUPPORED_WEB_SITES[NETEASE_CLOUD_MUSIC]
result = self.playlist_spider_thread.result
total_count = self.playlist_spider_thread.num
spider.set_query_num(total_count)
self.set_total_song_number(total_count)
query = self.ui.query_line_edit.text()
self.search_manager.search_changed(
spider, playlist_id, total_count, result)
@pyqtSlot()
def query_finished(self):
spider = SUPPORED_WEB_SITES[self.ui.search_site_combobox.currentText()]
query = self.ui.query_line_edit.text()
result = self.query_spider_thread.result
total_count = self.query_spider_thread.num
self.set_total_song_number(total_count)
self.search_manager.search_changed(spider, query, total_count, result)
def set_total_song_number(self, number):
self.ui.song_label.setText("共 %d 首歌曲" % (number))
@pyqtSlot()
def on_search_button_clicked(self):
spider = SUPPORED_WEB_SITES[self.ui.search_site_combobox.currentText()]
query = self.ui.query_line_edit.text()
if not query or len(query) == 0:
return
if self.old_spider == spider and self.old_query == query:
return
self.old_spider = spider
self.old_query = query
self.query_spider_thread = SpiderThread(spider.get_songs, query)
self.query_spider_thread.finished.connect(self.query_finished)
self.query_spider_thread.start()
def closeEvent(self, event):
self.download_manager.cancel_all_download()
@pyqtSlot()
def to_center(self):
self.move(get_screen_center_rect(self.frameGeometry()).topLeft())