def __new__(cls,filename,application,force_plot=False,force_2d=False,old=None):
file_type = Util.get_filename_ext(filename)
em_file_type = EMUtil.get_image_ext_type(file_type)
if not file_exists(filename): return None
if force_plot and force_2d:
# ok this sucks but it suffices for the time being
print "Error, the force_plot and force_2d options are mutually exclusive"
return None
if force_plot:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
if em_file_type != IMAGE_UNKNOWN or filename[:4] == "bdb:":
n = EMUtil.get_image_count(filename)
nx,ny,nz = gimme_image_dimensions3D(filename)
if n > 1 and nz == 1:
if force_2d:
a = EMData()
data=a.read_images(filename)
else:
data = None # This is like a flag - the ImageMXWidget only needs the file name
elif nz == 1:
data = [EMData(filename,0)]
else:
data = EMData()
data.read_image(filename,0,not force_2d) # This should be 3-D. We read the header-only here
data = [data]
if data != None and len(data) == 1: data = data[0]
if force_2d or isinstance(data,EMData) and data.get_zsize()==1:
if isinstance(data,list) or data.get_ysize() != 1:
from emimage2d import EMImage2DWidget
if isinstance(old,EMImage2DWidget): widget = old
else: widget= EMImage2DWidget(application=application)
else:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
elif isinstance(data,EMData):
if isinstance(old,EMScene3D): widget = old
else: widget = EMScene3D()
# print n,data
for ii in xrange(n):
data=EMData(filename,ii)
datai = EMDataItem3D(data, transform=Transform())
widget.insertNewNode(os.path.basename(filename), datai, parentnode=widget)
isosurface = EMIsosurface(datai, transform=Transform())
widget.insertNewNode("Iso", isosurface, parentnode=datai)
return widget
elif data == None or isinstance(data,list):
from emimagemx import EMImageMXWidget
if isinstance(old,EMImageMXWidget): widget = old
else: widget = EMImageMXWidget(application=application)
data = filename
else:
print filename
raise # weirdness, this should never happen
widget.set_data(data,filename)
return widget
else:
from emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
def __init__(self,filename,item_list):
'''
@param filename the name of the file that is being overwritten
@param item_list a list - the first object must have supply the get_attr_dict function, the keys "nx", "ny" and "nz therein
If you want to use this function for a single EMData object then just put it in a list
'''
QtGui.QDialog.__init__(self,None)
self.resize(480,320)
self.setWindowIcon(QtGui.QIcon(get_image_directory() + "/eman.png"))
self.setWindowTitle("File already exists")
self.appendable_types = ["hed","img","spi","hdf"] #image types that can be stacks - TODO bdb ?
append_enable = False
splt = filename.split(".")
if splt[-1] in self.appendable_types or (len(filename) > 3 and filename[:4] == "bdb:"):
(nx,ny,nz) = gimme_image_dimensions3D(filename)
d = item_list[0].get_attr_dict()
nz1 = d["nz"]
ny1 = d["ny"]
nx1 = d["nx"]
# can only append if the dimensions are the same
if nx == nx1 and ny == ny1 and nz == nz1:
append_enable=True
# some widgets
vbl = QtGui.QVBoxLayout(self)
hbl = QtGui.QHBoxLayout()
overwrite = QtGui.QPushButton("Overwrite")
cancel = QtGui.QPushButton("Cancel")
# add Widgets to Layouts
hbl.addWidget(cancel)
if append_enable:
append = QtGui.QPushButton("Append")
hbl.addWidget(append)
hbl.addWidget(overwrite)
if (len(filename) > 3 and filename[:4] == "bdb:"):
overwrite.setEnabled(False)
overwrite.setToolTip("Overwriting bdb files is currently disabled.")
# Text to alert the user
hbl2 = QtGui.QHBoxLayout()
text_edit = QtGui.QTextEdit("",self)
text_edit.setReadOnly(True)
text_edit.setWordWrapMode(QtGui.QTextOption.WordWrap)
if (filename == ""):
if append_enable:
help = "The file already exists. You can choose to append to it, to overwrite it, or to cancel this operation."
else:
help = "The file already exists. You can choose to overwrite it, or to cancel this operation."
else:
if append_enable:
help = "The file %s already exists. You can choose to append to it, to overwrite it, or to cancel this operation." %filename
else:
help = "The file %s already exists. You can choose to to overwrite it, or to cancel this operation." %filename
help += "\n\nBe careful about overwriting data as it may cause errors when using EMAN2 virtual stacks."
text_edit.setText(help)
hbl2.addWidget(text_edit,0)
groupbox = QtGui.QGroupBox("Warning")
groupbox.setLayout(hbl2)
vbl.addWidget(groupbox)
vbl.addLayout(hbl)
if append_enable:
QtCore.QObject.connect(append, QtCore.SIGNAL("clicked(bool)"), self.append_clicked)
QtCore.QObject.connect(overwrite, QtCore.SIGNAL("clicked(bool)"), self.overwrite_clicked)
QtCore.QObject.connect(cancel, QtCore.SIGNAL("clicked(bool)"), self.cancel_clicked)
self.__result = 0
def __new__(cls,filename,application,force_plot=False,force_2d=False,old=None):
file_type = Util.get_filename_ext(filename)
em_file_type = EMUtil.get_image_ext_type(file_type)
if not file_exists(filename): return None
if force_plot and force_2d:
# ok this sucks but it suffices for the time being
print("Error, the force_plot and force_2d options are mutually exclusive")
return None
if force_plot:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
if em_file_type != IMAGE_UNKNOWN or filename[:4] == "bdb:":
n = EMUtil.get_image_count(filename)
nx,ny,nz = gimme_image_dimensions3D(filename)
if n > 1 and nz == 1:
if force_2d:
a = EMData()
data=a.read_images(filename)
else:
data = None # This is like a flag - the ImageMXWidget only needs the file name
elif nz == 1:
data = [EMData(filename,0)]
else:
data = EMData()
data.read_image(filename,0,not force_2d) # This should be 3-D. We read the header-only here
data = [data]
if data != None and len(data) == 1: data = data[0]
if force_2d or isinstance(data,EMData) and data.get_zsize()==1:
if isinstance(data,list) or data.get_ysize() != 1:
from .emimage2d import EMImage2DWidget
if isinstance(old,EMImage2DWidget): widget = old
else: widget= EMImage2DWidget(application=application)
else:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
elif isinstance(data,EMData):
if isinstance(old,EMScene3D): widget = old
else: widget = EMScene3D()
# print n,data
for ii in range(n):
data=EMData(filename,ii)
datai = EMDataItem3D(data, transform=Transform())
widget.insertNewNode(os.path.basename(filename), datai, parentnode=widget)
isosurface = EMIsosurface(datai, transform=Transform())
widget.insertNewNode("Iso", isosurface, parentnode=datai)
return widget
elif data == None or isinstance(data,list):
from .emimagemx import EMImageMXWidget
if isinstance(old,EMImageMXWidget): widget = old
else: widget = EMImageMXWidget(application=application)
data = filename
else:
print(filename)
raise # weirdness, this should never happen
widget.set_data(data,filename)
return widget
else:
from .emplot2d import EMPlot2DWidget
if isinstance(old,EMPlot2DWidget): widget = old
else: widget = EMPlot2DWidget(application=application)
widget.set_data_from_file(filename)
return widget
def __init__(self, filename, item_list):
'''
@param filename the name of the file that is being overwritten
@param item_list a list - the first object must have supply the get_attr_dict function, the keys "nx", "ny" and "nz therein
If you want to use this function for a single EMData object then just put it in a list
'''
QtGui.QDialog.__init__(self, None)
self.resize(480, 320)
self.setWindowIcon(QtGui.QIcon(get_image_directory() + "/eman.png"))
self.setWindowTitle("File already exists")
self.appendable_types = [
"hed", "img", "spi", "hdf"
] #image types that can be stacks - TODO bdb ?
append_enable = False
splt = filename.split(".")
if splt[-1] in self.appendable_types or (len(filename) > 3
and filename[:4] == "bdb:"):
(nx, ny, nz) = gimme_image_dimensions3D(filename)
d = item_list[0].get_attr_dict()
nz1 = d["nz"]
ny1 = d["ny"]
nx1 = d["nx"]
# can only append if the dimensions are the same
if nx == nx1 and ny == ny1 and nz == nz1:
append_enable = True
# some widgets
vbl = QtGui.QVBoxLayout(self)
hbl = QtGui.QHBoxLayout()
overwrite = QtGui.QPushButton("Overwrite")
cancel = QtGui.QPushButton("Cancel")
# add Widgets to Layouts
hbl.addWidget(cancel)
if append_enable:
append = QtGui.QPushButton("Append")
hbl.addWidget(append)
hbl.addWidget(overwrite)
if (len(filename) > 3 and filename[:4] == "bdb:"):
overwrite.setEnabled(False)
overwrite.setToolTip(
"Overwriting bdb files is currently disabled.")
# Text to alert the user
hbl2 = QtGui.QHBoxLayout()
text_edit = QtGui.QTextEdit("", self)
text_edit.setReadOnly(True)
text_edit.setWordWrapMode(QtGui.QTextOption.WordWrap)
if (filename == ""):
if append_enable:
help = "The file already exists. You can choose to append to it, to overwrite it, or to cancel this operation."
else:
help = "The file already exists. You can choose to overwrite it, or to cancel this operation."
else:
if append_enable:
help = "The file %s already exists. You can choose to append to it, to overwrite it, or to cancel this operation." % filename
else:
help = "The file %s already exists. You can choose to to overwrite it, or to cancel this operation." % filename
help += "\n\nBe careful about overwriting data as it may cause errors when using EMAN2 virtual stacks."
text_edit.setText(help)
hbl2.addWidget(text_edit, 0)
groupbox = QtGui.QGroupBox("Warning")
groupbox.setLayout(hbl2)
vbl.addWidget(groupbox)
vbl.addLayout(hbl)
if append_enable:
append.clicked[bool].connect(self.append_clicked)
overwrite.clicked[bool].connect(self.overwrite_clicked)
cancel.clicked[bool].connect(self.cancel_clicked)
self.__result = 0
