def toolTip(self, column):
"""Return tooltip for column."""
try:
ds = self.doc.data[self.data[0]]
except KeyError:
return qt4.QVariant()
c = self.cols[column]
if c == "name":
text = ds.description()
if text is None:
text = ''
if ds.tags:
text += '\n\n' + _('Tags: %s') % (' '.join(
list(sorted(ds.tags))))
return qt4.QVariant(textwrap.fill(text, 40))
elif c == "size" or (c == 'type' and 'size' not in self.cols):
text = ds.userPreview()
# add preview of dataset if possible
pix = self.getPreviewPixmap(ds)
if pix:
text = text.replace("\n", "<br>")
text = "<html>%s<br>%s</html>" % (text,
utils.pixmapAsHtml(pix))
return qt4.QVariant(text)
elif c == "linkfile" or c == "type":
return qt4.QVariant(textwrap.fill(ds.linkedInformation(), 40))
return qt4.QVariant()
def headerData(self, section, orientation, role):
"""Return the header of the tree."""
if orientation == qt4.Qt.Horizontal and role == qt4.Qt.DisplayRole:
val = ('Name', 'Type')[section]
return qt4.QVariant(val)
return qt4.QVariant()
def nodeData(self, column):
"""basename of filename for data."""
if column == 0:
if self.data[0] == "/":
return qt4.QVariant("/")
else:
return qt4.QVariant(os.path.basename(self.data[0]))
return qt4.QVariant()
def data(self, index, role):
if role == qt4.Qt.DisplayRole:
# get data (note y is reversed, sigh)
ds = self.document.data[self.dsname].data
if ds is not None:
num = ds[ds.shape[0] - index.row() - 1, index.column()]
return qt4.QVariant(float(num))
return qt4.QVariant()
def headerData(self, section, orientation, role):
"""Return the headers at the top of the view."""
if role == qt4.Qt.DisplayRole:
if orientation == qt4.Qt.Horizontal:
return qt4.QVariant(
(_('Type'), _('Name'), _('Definition'))[section])
else:
return qt4.QVariant(str(section + 1))
return qt4.QVariant()
def pluginAddClicked(self):
"""Add a new plugin."""
filename = self.parent()._fileOpenDialog('py', _('Python scripts'),
_('Choose plugin'))
if filename:
self.pluginmodel.insertRows(0, 1)
self.pluginmodel.setData(self.pluginmodel.index(0),
qt4.QVariant(filename))
def data(self, index, role):
"""Return data associated with column given."""
# get dataset
ds = self.document.data[self.dsname]
if ds is not None:
# select correct part of dataset
data = getattr(ds, ds.columns[index.column()])
if ds is not None and data is not None and role == qt4.Qt.DisplayRole:
# blank row at end of data
if index.row() == len(data):
return qt4.QVariant()
# convert data to QVariant
d = data[index.row()]
return ds.uiDataItemToQVariant(d)
# empty entry
return qt4.QVariant()
def headerData(self, section, orientation, role):
"""Return headers at top."""
if role == qt4.Qt.DisplayRole:
ds = self.document.data[self.dsname]
if ds is not None:
# return a number for the top left of the cell
if orientation == qt4.Qt.Horizontal:
r = ds.xrange
num = ds.data.shape[1]
else:
r = ds.yrange
r = (r[1], r[0]) # swap (as y reversed)
num = ds.data.shape[0]
val = (r[1] - r[0]) / num * (section + 0.5) + r[0]
return qt4.QVariant('%g' % val)
return qt4.QVariant()
def data(self, index, role):
"""Get text or tooltip."""
if index.isValid():
item = self.objFromIndex(index)
if role == qt4.Qt.DisplayRole:
return item.nodeData(index.column())
elif role == qt4.Qt.ToolTipRole:
return item.toolTip(index.column())
return qt4.QVariant()
def headerData(self, section, orientation, role):
"""Return headers at top."""
try:
ds = self.document.data[self.dsname]
except KeyError:
return qt4.QVariant()
if role == qt4.Qt.DisplayRole:
if orientation == qt4.Qt.Horizontal:
# column names
return qt4.QVariant(ds.column_descriptions[section])
else:
if section == len(ds.data):
return "+"
# return row numbers
return qt4.QVariant(section + 1)
return qt4.QVariant()
def data(self, index, role):
"""Lookup data in document customs list."""
if role in (qt4.Qt.DisplayRole, qt4.Qt.EditRole):
cust = self.document.customs[index.row()]
if cust[0] == 'colormap' and index.column() == 2:
# values are not a string
return qt4.QVariant(repr(cust[2]))
else:
return qt4.QVariant(cust[index.column()])
elif role == qt4.Qt.ToolTipRole:
return (
_('Constant, function, import or colormap'),
_('Constant or colormap: enter name\n'
'Function: enter functionname(arg1, arg2...)\n'
'Import: enter module name'),
_('Constant or function: expression giving value\n'
'Import: comma or space separated list of symbols to import\n'
'Colormap: (R,G,B[,alpha]) list surrounded by brackets, e.g. ((10,10,10), (20,20,20,128))'
),
)[index.column()]
return qt4.QVariant()
def selectDataset(self, dsname):
"""Find, and if possible select dataset name."""
matches = self.model.match(
self.model.index(0, 0, qt4.QModelIndex()), qt4.Qt.DisplayRole,
qt4.QVariant(dsname), -1, qt4.Qt.MatchFixedString
| qt4.Qt.MatchCaseSensitive | qt4.Qt.MatchRecursive)
for idx in matches:
if isinstance(self.model.objFromIndex(idx), DatasetNode):
self.selectionModel().setCurrentIndex(
idx, qt4.QItemSelectionModel.SelectCurrent
| qt4.QItemSelectionModel.Clear
| qt4.QItemSelectionModel.Rows)
def data(self, index, role):
"""Return data for the index given."""
# why do we get passed invalid indicies? :-)
if not index.isValid():
return qt4.QVariant()
column = index.column()
obj = index.internalPointer()
if role == qt4.Qt.DisplayRole:
# return text for columns
if column == 0:
return qt4.QVariant(obj.name)
elif column == 1:
return qt4.QVariant(obj.typename)
elif role == qt4.Qt.DecorationRole:
# return icon for first column
if column == 0:
filename = 'button_%s' % obj.typename
return qt4.QVariant(utils.getIcon(filename))
elif role == qt4.Qt.ToolTipRole:
# provide tool tip showing description
if obj.userdescription:
return qt4.QVariant(obj.userdescription)
elif role == qt4.Qt.TextColorRole:
# show disabled looking text if object or any parent is hidden
hidden = False
p = obj
while p is not None:
if 'hide' in p.settings and p.settings.hide:
hidden = True
break
p = p.parent
# return brush for hidden widget text, based on disabled text
if hidden:
return qt4.QVariant(qt4.QPalette().brush(
qt4.QPalette.Disabled, qt4.QPalette.Text))
# return nothing
return qt4.QVariant()
def writeSettings(self):
"""Write the settings using QSettings.
This is called by the mainwindow on close
"""
s = qt4.QSettings(self.domain, self.product)
# write each entry, keeping track of which ones haven't been written
cleankeys = []
for key, value in self.database.iteritems():
cleankey = key.replace('/', self.sepchars)
cleankeys.append(cleankey)
# repr doesn't work on QStrings
if isinstance(value, qt4.QString):
value = unicode(value)
s.setValue(cleankey, qt4.QVariant(repr(value)))
# now remove all the values which have been removed
for key in list(s.childKeys()):
if unicode(key) not in cleankeys:
s.remove(key)
def nodeData(self, idx):
"""Get data with index given."""
try:
return qt4.QVariant(self.data[idx])
except:
return qt4.QVariant()
def toolTip(self, column):
"""Full filename for tooltip."""
if column == 0:
return qt4.QVariant(self.data[0])
return qt4.QVariant()
def headerData(self, section, orientation, role):
"""Use root node to get headers."""
if orientation == qt4.Qt.Horizontal and role == qt4.Qt.DisplayRole:
return self.root.nodeData(section)
return qt4.QVariant()
def toolTip(self, column):
"""Return tooltip for column, if any."""
return qt4.QVariant()
def data(self, index, role):
if role == qt4.Qt.DisplayRole and index.isValid():
return qt4.QVariant(float(self.data[index.row()]))
return qt4.QVariant()
def setModelData(self, editor, model, index):
"""Update data in model."""
model.setData(index, qt4.QVariant(editor.currentText()),
qt4.Qt.EditRole)