From 686f670a3c48948d37f73343b7a984a8a57c1429 Mon Sep 17 00:00:00 2001 From: Robert Jordens Date: Sun, 17 Apr 2016 10:34:10 +0200 Subject: [PATCH] browser: redo tree/list models --- artiq/browser/files.py | 111 ++++++++++++++++++++------------ artiq/frontend/artiq_browser.py | 8 +-- 2 files changed, 74 insertions(+), 45 deletions(-) diff --git a/artiq/browser/files.py b/artiq/browser/files.py index 8fc2467cd..8ea46214c 100644 --- a/artiq/browser/files.py +++ b/artiq/browser/files.py @@ -7,7 +7,7 @@ from PyQt5 import QtCore, QtWidgets, QtGui logger = logging.getLogger(__name__) -class ResultIconProvider(QtWidgets.QFileIconProvider): +class ThumbnailIconProvider(QtWidgets.QFileIconProvider): def icon(self, info): icon = self.hdf5_thumbnail(info) if icon is None: @@ -30,14 +30,23 @@ class ResultIconProvider(QtWidgets.QFileIconProvider): try: img = QtGui.QImage.fromData(t.value) except: - logger.warning("unable to read thumbnail", exc_info=True) + logger.warning("unable to read thumbnail from %s", + info.filePath(), exc_info=True) return pix = QtGui.QPixmap.fromImage(img) return QtGui.QIcon(pix) +class DirsOnlyProxy(QtCore.QSortFilterProxyModel): + def filterAcceptsRow(self, row, parent): + idx = self.sourceModel().index(row, 0, parent) + if not self.sourceModel().fileInfo(idx).isDir(): + return False + return QtCore.QSortFilterProxyModel.filterAcceptsRow(self, row, parent) + + class FilesDock(QtWidgets.QDockWidget): - def __init__(self, datasets, main_window, root=None): + def __init__(self, datasets, main_window, root=""): QtWidgets.QDockWidget.__init__(self, "Files") self.setObjectName("Files") self.setFeatures(QtWidgets.QDockWidget.DockWidgetMovable | @@ -46,24 +55,32 @@ class FilesDock(QtWidgets.QDockWidget): self.splitter = QtWidgets.QSplitter() self.setWidget(self.splitter) - if root is None: - root = QtCore.QDir.currentPath() - self.datasets = datasets self.main_window = main_window - self.rt_model = QtWidgets.QFileSystemModel() - self.rt_model.setFilter(QtCore.QDir.NoDotAndDotDot | - QtCore.QDir.AllDirs) + self.model = QtWidgets.QFileSystemModel() + self.model.setFilter(QtCore.QDir.Drives | QtCore.QDir.NoDotAndDotDot | + QtCore.QDir.AllDirs | QtCore.QDir.Files) + self.model.setNameFilterDisables(False) + self.model.setIconProvider(ThumbnailIconProvider()) self.rt = QtWidgets.QTreeView() - self.rt.setModel(self.rt_model) - self.rt.setRootIndex(self.rt_model.setRootPath(root)) - self.rt.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) - self.rt.setSelectionMode(QtWidgets.QAbstractItemView.SingleSelection) + rt_model = DirsOnlyProxy() + rt_model.setDynamicSortFilter(True) + rt_model.setSourceModel(self.model) + self.rt.setModel(rt_model) + self.model.directoryLoaded.connect( + lambda: self.rt.resizeColumnToContents(0)) + self.rt.setAnimated(False) + self.rt.setRootIndex(rt_model.mapFromSource( + self.model.setRootPath(root))) + self.rt.setSelectionBehavior(self.rt.SelectRows) + self.rt.setSelectionMode(self.rt.SingleSelection) self.rt.selectionModel().currentChanged.connect( self.tree_current_changed) self.rt.setRootIsDecorated(False) + for i in range(1, 4): + self.rt.hideColumn(i) self.splitter.addWidget(self.rt) self.rl = QtWidgets.QListView() @@ -72,29 +89,17 @@ class FilesDock(QtWidgets.QDockWidget): self.rl.setIconSize(QtCore.QSize(20*l, 15*l)) self.rl.setFlow(QtWidgets.QListView.LeftToRight) self.rl.setWrapping(True) - self.tree_current_changed(self.rt.currentIndex(), None) - self.splitter.addWidget(self.rl) - - def showEvent(self, ev): - self.rt.hideColumn(1) - self.rt.hideColumn(2) - self.rt.hideColumn(3) - - def tree_current_changed(self, current, previous): - path = self.rt_model.filePath(current) - # create a new model for the ListView here - self.rl_model = QtWidgets.QFileSystemModel() - self.rl_model.setFilter(QtCore.QDir.Files) - self.rl_model.setNameFilters(["*.h5"]) - self.rl_model.setNameFilterDisables(False) - self.rl_model.setIconProvider(ResultIconProvider()) - self.rl.setModel(self.rl_model) - self.rl.setRootIndex(self.rl_model.setRootPath(path)) + self.rl.setModel(self.model) self.rl.selectionModel().currentChanged.connect( self.list_current_changed) + self.splitter.addWidget(self.rl) + + def tree_current_changed(self, current, previous): + idx = self.rt.model().mapToSource(current) + self.rl.setRootIndex(idx) def list_current_changed(self, current, previous): - info = self.rl_model.fileInfo(current) + info = self.model.fileInfo(current) logger.info("opening %s", info.filePath()) if not (info.isFile() and info.isReadable() and info.suffix() == "h5"): @@ -102,7 +107,8 @@ class FilesDock(QtWidgets.QDockWidget): try: f = h5py.File(info.filePath(), "r") except: - logger.warning("unable to read HDF5 file", exc_info=True) + logger.warning("unable to read HDF5 file %s", info.filePath(), + exc_info=True) return with f: rd = {} @@ -114,24 +120,47 @@ class FilesDock(QtWidgets.QDockWidget): rd[k] = True, group[k].value self.datasets.init(rd) - def select(self, path): - idx = self.rt_model.index(os.path.dirname(path)) + def select_dir(self, path): + if not os.path.exists(path): + return + idx = self.model.index(path) + self.rl.setRootIndex(idx) + idx = self.rt.model().mapFromSource(idx) self.rt.expand(idx) - self.rt.scrollTo(idx) + + def scroll_when_loaded(p): + if p != path: + return + self.model.directoryLoaded.disconnect(scroll_when_loaded) + QtCore.QTimer.singleShot( + 100, lambda: + self.rt.scrollTo(self.rt.model().mapFromSource( + self.model.index(path)), self.rt.PositionAtCenter)) + self.model.directoryLoaded.connect(scroll_when_loaded) self.rt.setCurrentIndex(idx) - self.rl.setCurrentIndex(self.rl_model.index(path)) + + def select_file(self, path): + if not os.path.exists(path): + return + self.select_dir(os.path.dirname(path)) + self.rl.setCurrentIndex(self.model.index(path)) def save_state(self): return { - "selected": self.rl_model.filePath(self.rt.currentIndex()), + "dir": self.model.filePath(self.rt.model().mapToSource( + self.rt.currentIndex())), + "file": self.model.filePath(self.rl.currentIndex()), "header": bytes(self.rt.header().saveState()), "splitter": bytes(self.splitter.saveState()), } def restore_state(self, state): - selected = state.get("selected") - if selected: - self.select(selected) + dir = state.get("dir") + if dir: + self.select_dir(dir) + file = state.get("file") + if file: + self.select_file(file) header = state.get("header") if header: self.rt.header().restoreState(QtCore.QByteArray(header)) diff --git a/artiq/frontend/artiq_browser.py b/artiq/frontend/artiq_browser.py index 347e08946..b6cc22980 100755 --- a/artiq/frontend/artiq_browser.py +++ b/artiq/frontend/artiq_browser.py @@ -71,7 +71,6 @@ class MdiArea(QtWidgets.QMdiArea): painter.drawPixmap(x, y, self.pixmap) - def main(): # initialize application args = get_argparser().parse_args() @@ -119,14 +118,15 @@ def main(): smgr.load() - if args.PATH: - d_files.select(args.PATH) - smgr.start() atexit_register_coroutine(smgr.stop) # run main_window.show() + + if args.PATH: + d_files.select_file(os.path.normpath(args.PATH)) + loop.run_until_complete(main_window.exit_request.wait()) if __name__ == "__main__":