forked from M-Labs/artiq
browser: use fresh models
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parent
9685771275
commit
46273455c5
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@ -1,4 +1,5 @@
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import logging
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import os
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import h5py
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from PyQt5 import QtCore, QtWidgets, QtGui
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@ -25,51 +26,22 @@ class ResultIconProvider(QtWidgets.QFileIconProvider):
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return QtGui.QIcon(pix)
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class DirsOnly(QtCore.QSortFilterProxyModel):
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def filterAcceptsRow(self, row, parent):
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m = self.sourceModel()
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if not m.isDir(m.index(row, 0, parent)):
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return False
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return QtCore.QSortFilterProxyModel.filterAcceptsRow(self, row, parent)
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class FilesOnly(QtCore.QSortFilterProxyModel):
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_root_idx = None
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def filterAcceptsRow(self, row, parent):
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if self._root_idx is not None:
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model = self.sourceModel()
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idx = model.index(row, 0, parent)
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if idx == self._root_idx:
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return True
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if model.isDir(idx):
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print("false", model.filePath(idx),
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model.filePath(self._root_idx))
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return False
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return QtCore.QSortFilterProxyModel.filterAcceptsRow(self, row, parent)
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def setRootIndex(self, idx):
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self._root_idx = idx
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class ResultsBrowser(QtWidgets.QSplitter):
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def __init__(self, datasets):
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def __init__(self, datasets, root=None):
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QtWidgets.QSplitter.__init__(self)
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if root is None:
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root = QtCore.QDir.currentPath()
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self.datasets = datasets
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self.model = QtWidgets.QFileSystemModel()
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self.model.setRootPath(QtCore.QDir.currentPath())
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self.model.setNameFilters(["*.h5"])
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self.model.setNameFilterDisables(False)
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self.model.setIconProvider(ResultIconProvider())
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self.rt_model = QtWidgets.QFileSystemModel()
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self.rt_model.setFilter(QtCore.QDir.NoDotAndDotDot |
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QtCore.QDir.AllDirs)
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self.rt = QtWidgets.QTreeView()
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self.rt_model = DirsOnly()
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self.rt_model.setSourceModel(self.model)
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self.rt.setModel(self.rt_model)
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self.rt.setRootIndex(self.rt_model.mapFromSource(self.model.index(
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QtCore.QDir.currentPath())))
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self.rt.setRootIndex(self.rt_model.setRootPath(root))
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self.rt.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
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self.rt.setSelectionMode(QtWidgets.QAbstractItemView.SingleSelection)
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self.rt.selectionModel().currentChanged.connect(
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@ -78,37 +50,34 @@ class ResultsBrowser(QtWidgets.QSplitter):
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self.addWidget(self.rt)
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self.rl = QtWidgets.QListView()
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self.rl_model = FilesOnly()
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self.rl_model.setSourceModel(self.model)
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self.rl.setModel(self.rl_model)
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self.rl.setViewMode(QtWidgets.QListView.IconMode)
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l = QtGui.QFontMetrics(self.font()).lineSpacing()
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self.rl.setIconSize(QtCore.QSize(20*l, 15*l))
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self.rl.setFlow(QtWidgets.QListView.LeftToRight)
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self.rl.setWrapping(True)
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self.rl.selectionModel().currentChanged.connect(
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self.list_current_changed)
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self.tree_current_changed(self.rt.currentIndex(), None)
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self.addWidget(self.rl)
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def showEvent(self, ev):
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if hasattr(self, "_shown"):
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return
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self._shown = True
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self.rt.hideColumn(1)
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self.rt.hideColumn(2)
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self.rt.hideColumn(3)
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self.rt.scrollTo(self.rt.selectionModel().currentIndex())
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def tree_current_changed(self, current, previous):
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i = self.rt_model.mapToSource(current)
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self.rl_model.setRootIndex(i)
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j = self.rl_model.mapFromSource(i)
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print("root", self.model.filePath(i),
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i.isValid())
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self.rl.setRootIndex(j)
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path = self.rt_model.filePath(current)
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# we need to create a new model here. the old one remembers side effect
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self.rl_model = QtWidgets.QFileSystemModel()
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self.rl_model.setFilter(QtCore.QDir.Files)
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self.rl_model.setNameFilters(["*.h5"])
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self.rl_model.setNameFilterDisables(False)
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self.rl_model.setIconProvider(ResultIconProvider())
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self.rl.setModel(self.rl_model)
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self.rl.setRootIndex(self.rl_model.setRootPath(path))
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self.rl.selectionModel().currentChanged.connect(
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self.list_current_changed)
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def list_current_changed(self, current, previous):
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info = self.model.fileInfo(self.rl_model.mapToSource(current))
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info = self.rl_model.fileInfo(current)
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logger.info("opening %s", info.filePath())
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if not (info.isFile() and info.isReadable() and
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info.suffix() == "h5"):
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@ -123,16 +92,16 @@ class ResultsBrowser(QtWidgets.QSplitter):
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self.datasets.init(rd)
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def select(self, path):
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idx = self.rt_model.mapFromSource(self.model.index(path))
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self.rt.scrollTo(idx)
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idx = self.rt_model.index(os.path.dirname(path))
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self.rt.expand(idx)
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self.rt.selectionModel().setCurrentIndex(
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idx, QtCore.QItemSelectionModel.ClearAndSelect)
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self.rt.scrollTo(idx)
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self.rt.setCurrentIndex(idx)
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# rl root is signaled
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self.rl.setCurrentIndex(self.rl_model.index(path))
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def save_state(self):
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return {
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"selected": self.model.filePath(self.rt_model.mapToSource(
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self.rt.selectionModel().currentIndex())),
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"selected": self.rl_model.filePath(self.rt.currentIndex()),
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"header": bytes(self.rt.header().saveState()),
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"splitter": bytes(self.saveState()),
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}
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