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class QueryView(gtk.VBox):
@property
def credentials(self):
return "%s:%s" % (self.entry_user.get_text(), self.entry_passw.get_text())
@credentials.setter
def credentials(self, new_creds):
user, _, password = new_creds.partition(":")
self.entry_user.set_text(user)
self.entry_passw.set_text(password)
@property
def host(self):
return self.entry_host.get_text()
@host.setter
def host(self, new_host):
self.entry_host.set_text(new_host)
def __send_query(self):
self.emit("send-query", self.host, self.credentials, self.combobox.get_selected_item(), self.treeView_search.get_query(), self.treeView_fields.get_selected_fields())
def __init__(self, *args, **kwargs):
super(QueryView, self).__init__(*args, **kwargs)
import gobject
gobject.signal_new("send-query", QueryView, gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, (gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT))
# root-type
hBox_root_type = gtk.HBox()
self.pack_start(hBox_root_type, False, True, 0)
label_root_type = gtk.Label()
label_root_type.set_text("Root-Type: ")
hBox_root_type.pack_start(label_root_type, False, True, 0)
def changed_cb(combobox):
selected = combobox.get_selected_item()
fields = xnat_search.get_field_labels_required_of_type(selected)
self.treeView_search.set_root_type(selected)
self.treeView_fields.show_fields(fields)
self.combobox = ComboBoxRootType(gtk.ListStore(str))
self.combobox.connect('changed', changed_cb)
cell = gtk.CellRendererText()
self.combobox.pack_start(cell)
self.combobox.add_attribute(cell, 'text', 0)
for t in xnat_search.get_data_types():
self.combobox.append_text(t)
hBox_root_type.pack_start(self.combobox, True, True,0)
# Sash
vpaned_chart = gtk.VPaned()
vpaned_chart.set_position(250)
self.pack_start(vpaned_chart, True, True, 0)
# query-tree
sw_search = gtk.ScrolledWindow()
sw_search.set_shadow_type(gtk.SHADOW_ETCHED_IN)
sw_search.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vpaned_chart.add1(sw_search)
self.treeView_search = TreeViewQuery()
sw_search.add(self.treeView_search)
#result fields
sw_fields = gtk.ScrolledWindow()
sw_fields.set_shadow_type(gtk.SHADOW_ETCHED_IN)
sw_fields.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
vpaned_chart.add2(sw_fields)
self.treeView_fields = TreeViewResultFields()
sw_fields.add(self.treeView_fields)
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# login fields
hBox_cedentials = gtk.HBox(False,5)
self.pack_start(hBox_cedentials, expand=False, fill=False)
label_user = gtk.Label()
label_user.set_text("User:")
hBox_cedentials.pack_start(label_user, expand=False, fill=False)
self.entry_user = gtk.Entry()
hBox_cedentials.pack_start(self.entry_user, expand=True, fill=True)
label_passw = gtk.Label()
label_passw.set_text("Password:")
hBox_cedentials.pack_start(label_passw, expand=False, fill=False)
self.entry_passw = gtk.Entry()
self.entry_passw.set_visibility(False)
hBox_cedentials.pack_start(self.entry_passw, expand=True, fill=True)
# host-text-field and send-query-button
hBox_send = gtk.HBox(False,5)
self.pack_start(hBox_send, expand=False, fill=False)
label_host = gtk.Label()
label_host.set_text("Host:")
hBox_send.pack_start(label_host, expand=False, fill=False)
self.entry_host = gtk.Entry()
hBox_send.pack_start(self.entry_host, expand=True, fill=True)
self.button_send = gtk.Button(label="Send Query")
self.button_send.connect("clicked", lambda *_: self.__send_query())
hBox_send.pack_end(self.button_send, expand=False, fill=False)
self.combobox.set_active(0)
self.treeView_search.set_root_type(self.combobox.get_selected_item())
class ComboBoxRootType(gtk.ComboBox):
def __init__(self, *args, **kwargs):
super(ComboBoxRootType, self).__init__(*args, **kwargs)
def get_selected_item(self):
model = self.get_model()
index = self.get_active()
if index > -1:
return model[index][0]
else:
return None
class TreeViewResultFields(gtk.TreeView):
def __init__(self):
super(TreeViewResultFields, self).__init__()
self.create_columns()
self.store = gtk.ListStore(bool, str, bool) # is_selected, label, is_required
self.set_model(self.store)
def create_columns(self):
def callback_toggled(cellrenderertoggle, path_string, col, *_):
it = self.store.get_iter_from_string(path_string)
is_active = cellrenderertoggle.get_active()
if not self.store.get_value(it, 2):
self.store.set(it, col, not is_active)
renderer = gtk.CellRendererToggle()
renderer.set_property('activatable', True)
renderer.connect("toggled", callback_toggled, 0)
column = gtk.TreeViewColumn("", renderer)
column.add_attribute(renderer, "active", 0)
column.set_sort_column_id(0)
column.set_resizable(False)
self.append_column(column)
column = gtk.TreeViewColumn("Requested Result-Fields", gtk.CellRendererText(), text=1)
column.set_sort_column_id(1)
column.set_resizable(True)
self.append_column(column)
def show_fields(self, fields):
self.store.clear()
for f in fields:
self.store.append( [ f[1], # is_selected
f[0], # label
f[1] # is_required
])
def get_selected_fields(self):
results = []
for r in self.store:
if r[0]: # if selected
results.append(r[1])
return results
inital_value = "..."
tooltip = 'Delete by using right click'
methods = [] #["AND", "OR"]
types = [] #["TYPE", "TE", "TI"]
operators = [] #["LIKE", ">", "<", "<=", ">=", "="]
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self.create_type_list()
self.create_method_list()
self.create_operator_list()
self.set_rules_hint(True)
self.create_columns()
self.set_headers_visible(True)
self.create_model()
self.set_model(self.store)
def on_treeview_button_press_event(treeview, event):
if event.button == 3:
x = int(event.x)
y = int(event.y)
path_info = treeview.get_path_at_pos(x, y)
if path_info is not None:
path, col, cellx, celly = path_info
iter = self.store.get_iter(path)
if not path == (0,):
md = gtk.MessageDialog(type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_YES_NO,
message_format="Remove the element and its children?"
)
response = md.run()
md.destroy()
if response == gtk.RESPONSE_YES:
self.store.remove(iter)
self.connect('button_press_event', on_treeview_button_press_event)
self.set_tooltip_column(4)
def create_columns(self):
def root_changed_callback(combo, path_string, new_iter, col, del_col, *_):
it = self.store.get_iter_from_string(path_string)
new_value = combo.get_property("model")[new_iter][0]
old_value = self.store.get_value(it, col)
def append_inital_child(parent):
last_child = self.store.iter_n_children(parent) -1
child = self.store.iter_nth_child(parent, last_child)
if not child is None:
child_value = self.store.get_value(child, 0)
if not child_value == self.inital_value:
self.store.append(parent, (self.inital_value, '', '', False, self.tooltip))
else:
self.store.append(parent, (self.inital_value, '', '', False, self.tooltip))
def set_new_value_and_append_child(has_operator_and_value):
self.store.set(it, col, str(new_value))
self.store.set(it, 3, has_operator_and_value)
if has_operator_and_value:
parent = self.store.iter_parent(it)
if not parent is None:
append_inital_child(parent)
else:
append_inital_child(it)
if new_value in self.types:
if (not old_value == self.inital_value) and (not old_value in self.types):
md = gtk.MessageDialog(type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_YES_NO,
message_format="The children will be destroyed!Continue?"
)
response = md.run()
md.destroy()
if response == gtk.RESPONSE_YES:
set_new_value_and_append_child(True)
while not self.store.iter_children(it) is None:
child = self.store.iter_children(it)
self.store.remove(child)
else:
set_new_value_and_append_child(True)
else:
set_new_value_and_append_child(False)
for c in del_col:
self.store.set(it, c, '')
def cell_changed_callback(combo, path_string, new_iter, col, *_):
it = self.store.get_iter_from_string(path_string)
text = combo.get_property("model")[new_iter][0]
self.store.set(it, col, str(text))
def cell_edited_callback(cellrenderertext, path_string, new_text, col, *_):
it = self.store.get_iter_from_string(path_string)
self.store.set(it, col, new_text)
rendererCombo = gtk.CellRendererCombo()
rendererCombo.set_property('editable', True)
rendererCombo.set_property ("model", self.create_combo_list_type());
rendererCombo.set_property ("text-column", 0);
rendererCombo.connect('changed', root_changed_callback, 0, [1,2])
column = gtk.TreeViewColumn("Query", rendererCombo, text=0)
column.set_sort_column_id(0)
column.set_min_width(100)
column.set_resizable(True)
self.append_column(column)
rendererCombo = gtk.CellRendererCombo()
rendererCombo.set_property('editable', True)
rendererCombo.set_property ("model", self.create_combo_list_operator())
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rendererCombo.set_property ("text-column", 0);
rendererCombo.connect('changed', cell_changed_callback, 1)
column = gtk.TreeViewColumn("Operator", rendererCombo, text=1, editable=3)
column.set_sort_column_id(1)
column.set_min_width(70)
self.append_column(column)
rendererText = gtk.CellRendererText()
rendererText.set_property('editable', True)
rendererText.connect('edited', cell_edited_callback, 2)
column = gtk.TreeViewColumn("Value", rendererText, text=2, editable=3)
column.set_sort_column_id(2)
column.set_min_width(100)
column.set_resizable(True)
self.append_column(column)
@staticmethod
def create_combo_list(labels):
combo_model = gtk.ListStore(str)
for l in labels:
combo_model.append((str(l),))
return combo_model
def set_root_type(self, root_type):
self.root_type = root_type
self.reset_model()
self.create_type_list()
self.get_column(0).get_cell_renderers()[0].set_property ("model", self.create_combo_list_type()); #TODO column number???
def create_combo_list_type(self):
return self.create_combo_list(self.methods+self.types)
def create_combo_list_operator(self):
return self.create_combo_list(self.operators)
def reset_model(self):
self.store.clear()
self.store.append(None, (self.inital_value, '', '', False, self.tooltip))
def create_model(self):
self.store = gtk.TreeStore(str, str, str, bool, str)
self.store.append(None, (self.inital_value, '', '', False, self.tooltip))
def create_type_list(self):
import xnat_search
self.types = xnat_search.get_field_labels_of_type(self.root_type)
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def create_method_list(self):
import xnat_search
self.methods = xnat_search.get_query_methods()
def create_operator_list(self):
import xnat_search
self.operators = xnat_search.get_operators()
def get_query(self):
import xnat_search
search_fields = xnat_search.get_search_fields()
query = []
def add_next_to_querry(iter):
value = self.store.get_value(iter, 0)
if value in self.methods:
query.append(value)
elif value in self.types:
for field in search_fields:
if field['label'] == value:
value = field['field']
operator = self.store.get_value(iter, 1)
field_value = self.store.get_value(iter, 2)
query.append( (value, operator, field_value) )
child = self.store.iter_children(iter)
if not child is None:
add_next_to_querry(child)
next_ = self.store.iter_next(iter)
if not next_ is None:
add_next_to_querry(next_)
it = self.store.get_iter_first()
add_next_to_querry(it)
return query