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# -*- coding: utf-8 -*-
import sip
sip.setapi("QString", 2)
sip.setapi("QVariant", 2)
from PyQt4 import QtCore, QtGui, uic
import os
size_photo = 192
class ImageLoader(QtCore.QObject):
loaded = QtCore.pyqtSignal((int, int))
allLoaded = QtCore.pyqtSignal()
def __init__(self, *args):
super(ImageLoader, self).__init__(*args)
self.task = []
self.pixmaps = {}
def loadFile(self, i, j, filename):
pixmap = QtGui.QPixmap()
pixmap.load(filename)
self.pixmaps[(i, j)] = pixmap
self.loaded.emit(i, j)
def loadAll(self):
for (i, j, filename) in self.task:
self.loadFile(i, j, filename)
if self.stop:
break
self.allLoaded.emit()
def setTask(self, task):
self.task = task
self.stop = False
self.pixmaps = {}
class MainWindow(QtGui.QWidget):
def __init__(self, *args):
super(MainWindow, self).__init__(*args)
self.ui = uic.loadUi("photo.ui", self)
self.files = {}
self.loadTask = []
self.imageLoader = ImageLoader()
self.workingThread = QtCore.QThread()
self.workingThread.start()
self.imageLoader.moveToThread(self.workingThread)
self.ui.tableWidget.horizontalHeader().setResizeMode(QtGui.QHeaderView.Fixed)
self.ui.tableWidget.horizontalHeader().setDefaultSectionSize(size_photo + 16)
self.ui.tableWidget.horizontalHeader().setResizeMode(0, QtGui.QHeaderView.ResizeToContents)
self.ui.tableWidget.verticalHeader().setResizeMode(QtGui.QHeaderView.Fixed)
self.ui.tableWidget.verticalHeader().setDefaultSectionSize(size_photo + 16)
self.imageLoader.loaded.connect(self.loadImage)
self.imageLoader.allLoaded.connect(self.allLoaded)
QtCore.QObject.connect(self.ui.refreshButton,
QtCore.SIGNAL("clicked(bool)"),
self.display)
QtCore.QObject.connect(self.ui.folderButton,
QtCore.SIGNAL("clicked(bool)"),
self.setFolder)
def setFolder(self):
directory = QtGui.QFileDialog.getExistingDirectory(parent=self, caption="Open directory")
if directory:
self.ui.lineEdit.setText(directory)
self.display()
def allLoaded(self):
self.ui.acceptButton.setEnabled(True)
self.ui.rejectButton.setEnabled(True)
def loadImage(self, i, j):
label = QtGui.QLabel()
pixmap = self.imageLoader.pixmaps[(i, j)]
label.setPixmap(pixmap.scaled(size_photo, size_photo,
QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation))
label.setAlignment(QtCore.Qt.AlignCenter)
self.ui.tableWidget.setCellWidget(i, j + 1, label)
def display(self):
self.ui.acceptButton.setEnabled(False)
self.ui.rejectButton.setEnabled(False)
self.ui.tableWidget.clear()
self.ui.tableWidget.setRowCount(0)
self.ui.tableWidget.setColumnCount(1)
self.files = {}
self.loadTask = []
self.imageLoader.setTask(self.loadTask)
real_dir = self.ui.lineEdit.text()
if real_dirand os.path.exists(real_dir):
for f in os.listdir(real_dir):
if os.path.splitext(f)[1] == ".jpg":
uid = int(f.split("_", 1)[0])
self.files.setdefault(uid, []).append(os.path.join(real_dir, f))
self.ui.tableWidget.setRowCount(len(self.files))
m = 1
for uid in self.files:
m = max(m, len(self.files[uid]) + 1)
self.ui.tableWidget.setColumnCount(m)
i = 0
for uid, files in self.files.items():
item = QtGui.QTableWidgetItem("%9d" % (uid))
self.ui.tableWidget.setItem(i, 0, item)
for j, f in enumerate(files):
self.loadTask.append((i, j, f))
i += 1
QtCore.QTimer.singleShot(0, self.imageLoader.loadAll)
if __name__ == "__main__":
import sys
import traceback
def handle_exception(exc_type, exc_value, exc_traceback):
if issubclass(exc_type, KeyboardInterrupt):
if QtGui.qApp:
QtGui.qApp.quit()
return
print "".join(traceback.format_exception(exc_type, exc_value, exc_traceback))
sys.exit(1)
sys.excepthook = handle_exception
app = QtGui.QApplication(sys.argv)
window = MainWindow()
window.show()
app.exec_()
sys.exit() |
