import sys

from pywinauto import backend

from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


def main():
    app = QApplication(sys.argv)
    w = MyWindow()
    w.show()
    sys.exit(app.exec_())


class MyWindow(QWidget):
    def __init__(self, *args):
        QWidget.__init__(self, *args)

        self.setFixedSize(930, 631)
        self.setLocale(QLocale(QLocale.English, QLocale.UnitedStates))
        self.setWindowTitle(QCoreApplication.translate("MainWindow", "PyInspect"))

        self.central_widget = QWidget(self)

        self.comboBox = QComboBox(self.central_widget)
        self.comboBox.setGeometry(QRect(10, 10, 451, 22))
        self.comboBox.setMouseTracking(False)
        self.comboBox.setMaxVisibleItems(5)
        self.comboBox.setObjectName("comboBox")

        for _backend in backend.registry.backends.keys():
            self.comboBox.addItem(_backend)

        self.tree_view = QTreeView(self.central_widget)
        self.tree_view.setGeometry(QRect(10, 40, 451, 581))
        self.tree_view.setColumnWidth(0, 150)

        self.comboBox.setCurrentText('uia')
        self.__initialize_calc()

        self.table_view = QTableView(self.central_widget)
        self.table_view.setGeometry(QRect(470, 40, 451, 581))

        self.comboBox.activated[str].connect(self.__show_tree)

    def __initialize_calc(self, _backend='uia'):
        self.element_info = backend.registry.backends[_backend].element_info_class()
        self.tree_model = MyTreeModel(self.element_info, _backend)
        self.tree_model.setHeaderData(0, Qt.Horizontal, 'Controls')
        self.tree_view.setModel(self.tree_model)
        self.tree_view.clicked.connect(self.__show_property)

    def __show_tree(self, text):
        backend = text
        self.__initialize_calc(backend)

    def __show_property(self, index=None):
        data = index.data()
        self.table_model = MyTableModel(self.tree_model.props_dict.get(data), self)
        self.table_view.wordWrap()
        self.table_view.setModel(self.table_model)
        self.table_view.setColumnWidth(1, 320)


class MyTreeModel(QStandardItemModel):
    def __init__(self, element_info, backend):
        QStandardItemModel.__init__(self)
        root_node = self.invisibleRootItem()
        self.props_dict = {}
        self.backend = backend
        self.branch = QStandardItem(self.__node_name(element_info))
        self.branch.setEditable(False)
        root_node.appendRow(self.branch)
        self.__generate_props_dict(element_info)
        self.__get_next(element_info, self.branch)

    def __get_next(self, element_info, parent):
        for child in element_info.children():
            self.__generate_props_dict(child)
            child_item = QStandardItem(self.__node_name(child))
            child_item.setEditable(False)
            parent.appendRow(child_item)
            self.__get_next(child, child_item)

    def __node_name(self, element_info):
        if 'uia' == self.backend:
            return '%s "%s" (%s)' % (str(element_info.control_type), str(element_info.name), id(element_info))
        return '"%s" (%s)' % (str(element_info.name), id(element_info))

    def __generate_props_dict(self, element_info):
        props = [
                    ['control_id', str(element_info.control_id)],
                    ['class_name', str(element_info.class_name)],
                    ['enabled', str(element_info.enabled)],
                    ['handle', str(element_info.handle)],
                    ['name', str(element_info.name)],
                    ['process_id', str(element_info.process_id)],
                    ['rectangle', str(element_info.rectangle)],
                    ['rich_text', str(element_info.rich_text)],
                    ['visible', str(element_info.visible)]
                ]

        props_win32 = [
                      ] if (self.backend == 'win32') else []

        props_uia = [
                        ['control_type', str(element_info.control_type)],
                        ['element', str(element_info.element)],
                        ['framework_id', str(element_info.framework_id)],
                        ['runtime_id', str(element_info.runtime_id)]
                    ] if (self.backend == 'uia') else []

        props.extend(props_uia)
        props.extend(props_win32)
        node_dict = {self.__node_name(element_info): props}
        self.props_dict.update(node_dict)


class MyTableModel(QAbstractTableModel):
    def __init__(self, datain, parent=None, *args):
        QAbstractTableModel.__init__(self, parent, *args)
        self.arraydata = datain
        self.header_labels = ['Property', 'Value']

    def rowCount(self, parent):
        return len(self.arraydata)

    def columnCount(self, parent):
        return len(self.arraydata[0])

    def data(self, index, role):
        if not index.isValid():
            return QVariant()
        elif role != Qt.DisplayRole:
            return QVariant()
        return QVariant(self.arraydata[index.row()][index.column()])

    def headerData(self, section, orientation, role=Qt.DisplayRole):
        if role == Qt.DisplayRole and orientation == Qt.Horizontal:
            return self.header_labels[section]
        return QAbstractTableModel.headerData(self, section, orientation, role)


if __name__ == "__main__":
    main()