forked from M-Labs/artiq
browser: redo tree/list models
This commit is contained in:
parent
f09bfa258d
commit
686f670a3c
@ -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))
|
||||
|
||||
@ -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__":
|
||||
|
||||
Loading…
Reference in New Issue
Block a user