from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QTextBrowser
from pyqt_find_path_widget import FindPathWidget


class FindPathWidgetExample(QWidget):
    def __init__(self):
        super().__init__()
        self.__initUi()

    def __initUi(self):
        findPathWidget = FindPathWidget()
        findPathWidget.setExtOfFiles('Text Files (*.txt)') # Restrict file's extension to find

        findPathWidget.findClicked.connect(self.__findClicked) # Signal will be emitted when find button clicks
        findPathWidget.added.connect(self.__added) # Signal will be emitted when file's name is set in the QLineEdit

        self.__textBrowser = QTextBrowser() # Widget to show text file's content
        self.__textBrowser.setStyleSheet('QTextBrowser '
                                          '{'
                                          'color: #DDD;'
                                          'background-color: #444;'
                                          'border: 1px solid #222;'
                                          '}') # To match the style with FindPathWidget

        self.setStyleSheet('QWidget { background-color: #666; }') # To match the style with FindPathWidget

        lay = QVBoxLayout()
        lay.addWidget(findPathWidget)
        lay.addWidget(self.__textBrowser)

        self.setLayout(lay)

    def __findClicked(self):
        print('find clicked')

    def __added(self, filename):
        f = open(filename, 'r')
        text = f.read()
        f.close()
        self.__textBrowser.setText(text)


if __name__ == "__main__":
    import sys

    app = QApplication(sys.argv)
    searchMultiple = FindPathWidgetExample()
    searchMultiple.show()
    app.exec_()