pythonsuli_temp

from PySide.QtGui import QApplication, QMainWindow, QHBoxLayout, \
    QVBoxLayout, QListWidget, QLabel, QWidget, QPixmap, \
    QPushButton, QFileDialog
from PySide.QtCore import QSettings, Qt
import sys, os



class MyWindow(QMainWindow):
    def __init__(self):
        super(MyWindow, self).__init__()
        self.settings = QSettings("MySoft", "MyWindow")
        if self.settings.value("geometry"):
            self.restoreGeometry(self.settings.value("geometry"))

        self.setWindowTitle("Simple Image Browser")

        centralWidget = QWidget()
        mainLayout = QHBoxLayout(centralWidget)
        self.setCentralWidget(centralWidget)

        fileBrowserLayout = QVBoxLayout()
        mainLayout.addLayout(fileBrowserLayout)
        browseButton = QPushButton("Browse...")
        self.fileBrowser = FileBrowser()

        self.imageViewer = ImageViewer(self.fileBrowser)

        fileBrowserLayout.addWidget(browseButton)
        fileBrowserLayout.addWidget(self.fileBrowser)
        mainLayout.addWidget(self.imageViewer)

        # connect fileBrowser.itemClicked to imageViewer.setImage()
        self.fileBrowser.itemSelectionChanged.connect(self.imageViewer.setImage)
        browseButton.clicked.connect(self.openFolder)

    def openFolder(self):
        folder = QFileDialog.getExistingDirectory(self, "Select directory", "e:/")

        if len(folder):
            self.fileBrowser.setRootPath(folder)
            self.fileBrowser.getFiles()

    def closeEvent(self, event):
        self.settings.setValue("geometry", self.saveGeometry())


class FileBrowser(QListWidget):
    def __init__(self):
        super(FileBrowser, self).__init__()
        self.setMaximumWidth(300)
        self.files = []
        self.rootPath = None

    def setRootPath(self, path):
        path = path.replace("\\", "/") + "/"
        self.rootPath = path

        print self.rootPath

    def getFiles(self):
        self.clear()
        self.files = []

        [self.files.append(i) for i in os.listdir(self.rootPath) if os.path.isfile(self.rootPath + i)]

        for i in self.files:
            self.addItem(i)


class ImageViewer(QLabel):
    def __init__(self, fileBrowser):
        super(ImageViewer, self).__init__()
        self.fileBrowser = fileBrowser

    def setImage(self):
        imagePath = self.fileBrowser.rootPath + self.fileBrowser.currentItem().text()

        pixmap = QPixmap(imagePath)
        if pixmap:
            pixmap = pixmap.scaled(1000,1000, Qt.KeepAspectRatio, Qt.SmoothTransformation)
            self.setPixmap(pixmap)



app = QApplication(sys.argv)
win = MyWindow()
win.show()
app.exec_()