import os
import sys
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt

from view.AddToDoLabel import AddToDoAction


class Important(QWidget):
    def __init__(self):
        super(Important, self).__init__()
        self.setObjectName('important')
        self.setAttribute(Qt.WA_StyledBackground)
        # todo : 使用网格布局设置背景图
        self.setStyleSheet('#important{background-image:url("../images/10.jpg");border-radius: 10px;}')

        # 布局样式：最外面一个大的垂直布局，里面的最上面标题是一个水平布局，水平布局显示的是一个垂直布局和一个右边的选项，用来更换背景
        # 布局样式：继承QWidget,里面一个垂直布局，最上面一个QWidget用来设置头部布局
        #         头部QWidget里面一个水平布局，水平布局里面一个QWidget（方便设置整体位置），然后是一个
        layout = QVBoxLayout()
        head_layout = QHBoxLayout()

        head_widget = QWidget(self)
        # todo :
        # head_widget.setMinimumHeight(175)

        self.todo_list = QListWidget()
        self.todo_list.setObjectName('todo_list')

        # todo : 重写QLabel，实现添加功能
        # 添加ToDo的标签
        self.add_todo = AddToDoAction()
        self.add_todo.setAlignment(Qt.AlignCenter)
        # self.add_todo.setPlaceholderText('添加任务')

        # head_widget.setMaximumHeight(100)
        # head_widget.
        # head_widget.setObjectName('head_widget')
        head_widget.setAttribute(Qt.WA_StyledBackground)
        # self.setStyleSheet('#head_widget{margin:50px}')

        # head_widget.setPalette(palette)

        head_widget.setLayout(head_layout)
        head_layout.setAlignment(Qt.AlignCenter)
        # head_left_layout = QVBoxLayout()
        # layout.addStretch(0)
        layout.addWidget(head_widget, 2, Qt.AlignTop)
        # layout.addSpacing(1)
        # layout.addStretch(0)
        layout.addWidget(self.todo_list, 6, Qt.AlignCenter | Qt.AlignTop)
        head_label = QLabel("重要")
        head_label.setObjectName('head_label')
        font = QFont()
        font.setPointSize(32)
        head_label.setFont(font)

        layout.addStretch(1)

        head_layout.addWidget(head_label, 8)
        layout.addStretch(1)
        layout.addWidget(self.add_todo, 2, Qt.AlignHCenter)

        self.menu_image = QPushButton()
        self.menu_image.setObjectName('menu_image')
        self.menu_image.setFixedSize(30, 30)
        # self.menu_image.setScaledContents(True)
        pic_btn = QPixmap(os.getcwd() + "/../images/menu.png")
        self.menu_image.setIcon(QIcon(pic_btn))
        # self.menu_image.setFixedSize(QPixmap(os.getcwd() + "/../images/menu.png").size())
        # head_layout.addLayout(head_left_layout)
        head_layout.addWidget(self.menu_image, 2)
        head_layout.addStretch(1)

        self.setLayout(layout)
        # self.menu_image.clicked.connect(self.menu_action)

        button_menu = QMenu(self)
        # 背景透明
        button_menu.setAttribute(Qt.WA_TranslucentBackground)
        # 无边框、去掉自带阴影
        button_menu.setWindowFlags(
            button_menu.windowFlags() | Qt.FramelessWindowHint | Qt.NoDropShadowWindowHint)

        self.menu_image.setMenu(button_menu)

        theme_label = QAction(self)
        theme_label.setText('主题')
        theme_label.setDisabled(True)
        button_menu.addAction(theme_label)
        button_menu.addSeparator()
        # button_menu
        for i in range(11):
            label_action = QAction(self)
            label_action.setIcon(QIcon('../images/' + str(i) + '.jpg'))
            label_action.setText(str(i))
            label_action.triggered.connect(lambda: self.menu_action(str(i)))
            button_menu.addAction(label_action)
        # todo : 下面的方法实现点击更换主题的功能

    def menu_action(self, count):
        # 点击按钮
        # self.menu_label = ChangeTheme()
        self.setStyleSheet('#important{background-image:url("../images/4.jpg");'
                           'background-position: center;    border-radius: 10px;'
                           '}')
        print('选中：' + count)