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Diffstat (limited to 'python/pyqt/examples3/qdir.py')
| -rwxr-xr-x | python/pyqt/examples3/qdir.py | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/python/pyqt/examples3/qdir.py b/python/pyqt/examples3/qdir.py new file mode 100755 index 00000000..0da10ebe --- /dev/null +++ b/python/pyqt/examples3/qdir.py @@ -0,0 +1,323 @@ +#!/usr/bin/env python +# +# 2005-02-12 initial version hp + +import os +import pickle +from qt import * +from dirview import Directory, DirectoryView + +bookmarks = [ + "22 14 8 1", + "# c #000080", + "a c #585858", + "b c #000000", + "c c #ffffff", + "d c #ffffff", + "e c #ffffff", + "f c #000000", + ". c None", + "...bb.................", + "..bacb....bbb.........", + "..badcb.bbccbab.......", + "..bacccbadccbab.......", + "..baecdbcccdbab.......", + "..bacccbacccbab.......", + "..badcdbcecdfab.......", + "..bacecbacccbab.......", + "..baccdbcccdbab.......", + "...badcbacdbbab.......", + "....bacbcbbccab.......", + ".....babbaaaaab.......", + ".....bbabbbbbbb.......", + "......bb.............." +] + +home = [ + "16 15 4 1", + "# c #000000", + "a c #ffffff", + "b c #c0c0c0", + ". c None", + ".......##.......", + "..#...####......", + "..#..#aabb#.....", + "..#.#aaaabb#....", + "..##aaaaaabb#...", + "..#aaaaaaaabb#..", + ".#aaaaaaaaabbb#.", + "###aaaaaaaabb###", + "..#aaaaaaaabb#..", + "..#aaa###aabb#..", + "..#aaa#.#aabb#..", + "..#aaa#.#aabb#..", + "..#aaa#.#aabb#..", + "..#aaa#.#aabb#..", + "..#####.######.." +] + + +class PixmapView(QScrollView): + def __init__(self, parent): + QScrollView.__init__(self, parent) + self.pixmap = None + self.viewport().setBackgroundMode(self.PaletteBase) + + def setPixmap(self, pix): + self.pixmap = pix + self.resizeContents(pix.size().width(), pix.size().height()) + self.viewport().repaint(False) + + def drawContents(self, p, cx, cy, cw, ch): + p.fillRect(cx, cy, cw, ch, self.colorGroup().brush(QColorGroup.Base)) + p.drawPixmap(0, 0, self.pixmap) + + +class Preview(QWidgetStack): + def __init__(self, parent): + QWidgetStack.__init__(self, parent) + self.normalText = QMultiLineEdit(self) + self.normalText.setReadOnly(True) + self.html = QTextView(self) + self.pixmap = PixmapView(self) + self.raiseWidget(self.normalText) + + def showPreview(self, url, size): + if url.isLocalFile(): + path = url.path() + fi = QFileInfo(path) + if fi.isFile() and fi.size() > size * 1000: + self.normalText.setText( + "The File\n%s\nis too large, so I don't show it!" % path) + self.raiseWidget(self.normalText) + return + pix = QPixmap(path) + if pix.isNull(): + if fi.isFile(): + err = False + try: + text = open(path.latin1(), "r").read() + except IOError, msg: + text = QString(str(msg)) + err = True + if not err and fi.extension().lower().contains("htm"): + url = self.html.mimeSourceFactory().makeAbsolute( + path, self.html.context()) + self.html.setText(text, url) + self.raiseWidget(self.html) + return + else: + self.normalText.setText(text) + self.raiseWidget(self.normalText) + return + else: + self.normalText.setText("") + self.raiseWidget(self.normalText) + else: + self.pixmap.setPixmap(pix) + self.raiseWidget(self.pixmap) + else: + self.normalText.setText("I only show local files!") + self.raiseWidget(self.normalText) + + +# We can't instantiate QFilePreview directly because it is abstract. Note that +# the previewUrl() abstract is patched in later to work around the fact that +# you can't multiply inherit from more than one wrapped class. +class FilePreview(QFilePreview): + pass + + +class PreviewWidget(QVBox): + def __init__(self, parent): + QVBox.__init__(self, parent) + self.setSpacing( 5 ) + self.setMargin( 5 ) + row = QHBox(self) + row.setSpacing(5) + QLabel("Only show files smaller than: ", row) + self.sizeSpinBox = QSpinBox(1, 10000, 1, row) + self.sizeSpinBox.setSuffix(" KB") + self.sizeSpinBox.setValue(128) + row.setFixedHeight(10 + self.sizeSpinBox.sizeHint().height()) + self.__preview = Preview(self) + # workaround sip inability of multiple inheritance + # create a local QFilePreview instance and redirect + # the method, which is called on preview, to us + self.preview = FilePreview() + self.preview.previewUrl = self.previewUrl + + def previewUrl(self, url): + self.__preview.showPreview(url, self.sizeSpinBox.value()) + + +class CustomFileDialog(QFileDialog): + def __init__(self, preview = False): + QFileDialog.__init__(self, None, None, True) + self.bookmarkFile = ".pybookmarks" + self.bookmarkList = [] + if os.path.exists(self.bookmarkFile): + try: + self.bookmarkList = pickle.loads(open(self.bookmarkFile, "rb").read()) + except IOError, msg: + print msg + self.setDir("/") + self.dirView = DirectoryView(self, None, True) + self.dirView.addColumn("") + self.dirView.header().hide() + root = Directory(self.dirView, "/") + root.setOpen(True) + self.dirView.setFixedWidth(200) + self.addLeftWidget(self.dirView) + p = QPushButton(self) + p.setPixmap(QPixmap(bookmarks)) + QToolTip.add(p, "Bookmarks") + self.bookmarkMenu = QPopupMenu(self) + self.connect(self.bookmarkMenu, SIGNAL("activated(int)"), + self.bookmarkChosen) + self.addId = self.bookmarkMenu.insertItem("Add bookmark") + self.bookmarkMenu.insertSeparator() + for l in self.bookmarkList: + self.bookmarkMenu.insertItem(l) + p.setPopup(self.bookmarkMenu) + self.addToolButton(p, True) + self.connect(self.dirView, PYSIGNAL("folderSelected(const QString &)"), + self.setDir2) + self.connect(self, SIGNAL("dirEntered(const QString &)"), + self.dirView.setDir) + b = QToolButton(self) + QToolTip.add(b, "Go Home!") + b.setPixmap(QPixmap(home)) + self.connect(b, SIGNAL("clicked()"), self.goHome) + self.addToolButton(b) + + if preview: + self.setContentsPreviewEnabled(True) + pw = PreviewWidget(self) + self.setContentsPreview(pw, pw.preview) + self.setViewMode(QFileDialog.List) + self.setPreviewMode(QFileDialog.Contents) + + w = self.width() + h = self.height() + if preview: + self.resize(w + w / 2, h + h / 3) + else: + self.resize(w + w / 3, h + h / 4) + + def done(self, r): + if self.bookmarkList: + try: + open(self.bookmarkFile, "wb").write(pickle.dumps(self.bookmarkList)) + except IOError, msg: + print msg + return QFileDialog.done(self, r) + + def showEvent(self, e): + QFileDialog.showEvent(self, e) + self.dirView.setDir(self.dirPath()) + + def setDir2(self, path): + self.blockSignals(True) + self.setDir(path) + self.blockSignals(False) + + def bookmarkChosen(self, i): + if i == self.addId: + # keep bookmarks pythonic + dp = self.dirPath().latin1() + if dp not in self.bookmarkList: + self.bookmarkList.append(dp) + self.bookmarkMenu.insertItem(dp) + else: + self.setDir(self.bookmarkMenu.text(i)) + + def goHome(self): + if os.getenv("HOME"): + self.setDir(os.getenv("HOME")) + else: + self.setDir("/") + + +if __name__ == '__main__': + import sys + import getopt + + def usage(msg = None): + if msg: + print >> sys.stderr, msg + print >> sys.stderr, """\ +usage: qdir [--any | --dir | --custom] [--preview] [--default f] {--filter f} [caption ...] + --any Get any filename, need not exist. + --dir Return a directory rather than a file. + --custom Opens a customized QFileDialog with + dir browser, bookmark menu, etc. + --preview Show a preview widget. + --default f Start from directory/file f. + --filter f eg. '*.gif' '*.bmp' + caption ... Caption for dialog. +""" + sys.exit(1) + + def main(): + options = ["help", "any", "dir", "custom", "preview", "default=", "filter="] + mode = QFileDialog.ExistingFile + preview = False + custom = False + start = None + filter = QString.null + app = QApplication(sys.argv) + + try: + optlist, args = getopt.getopt(sys.argv[1:], "h", options) + except getopt.error, msg: + usage(msg) + + for opt, par in optlist: + if opt in ("-h", "--help"): + usage() + elif opt == "--any": + mode = QFileDialog.AnyFile + elif opt == "--dir": + mode = QFileDialog.Directory + elif opt == "--default": + start = par + elif opt == "--filter": + filter = par + elif opt == "--preview": + preview = True + elif opt == "--custom": + custom = True + if args: + caption = " ".join(args) + elif mode == QFileDialog.Directory: + caption = "Choose directory..." + else: + caption = "Choose file..." + if not start: + start = QDir.currentDirPath() + if not custom: + fd = QFileDialog(QString.null, filter, None, None, True) + fd.setMode(mode) + if preview: + fd.setContentsPreviewEnabled(True) + pw = PreviewWidget(fd) + fd.setContentsPreview(pw, pw.preview) + fd.setViewMode(QFileDialog.List) + fd.setPreviewMode(QFileDialog.Contents) + w = fd.width() + h = fd.height() + fd.resize(w + w / 3, h + h / 4) + fd.setCaption(caption) + fd.setSelection(start) + if fd.exec_loop() == QDialog.Accepted: + print "%s\n" % fd.selectedFile().latin1() + return 0 + else: + return 1 + else: + fd = CustomFileDialog(preview) + fd.exec_loop() + return 1 + + sys.exit(main()) |