377 lines
13 KiB
Python
377 lines
13 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 Donald N. Allingham
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# 2009 Benny Malengier
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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#-------------------------------------------------------------------------
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#
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# python
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#
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#-------------------------------------------------------------------------
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from gettext import gettext as _
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import cPickle as pickle
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#-------------------------------------------------------------------------
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#
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# GTK libraries
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#
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#-------------------------------------------------------------------------
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import gtk
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import pango
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#-------------------------------------------------------------------------
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#
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# GRAMPS classes
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#
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#-------------------------------------------------------------------------
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from DisplayTabs._EmbeddedList import EmbeddedList
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#-------------------------------------------------------------------------
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#
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# Classes
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#
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#-------------------------------------------------------------------------
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class GroupEmbeddedList(EmbeddedList):
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"""
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This class provides the base class for all the list tabs that show
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grouped data.
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It maintains a gtk.TreeView, including the selection and button sensitivity.
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"""
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_WORKGROUP = 0
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def __init__(self, dbstate, uistate, track, name, build_model,
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share_button=False, move_buttons=False, jump_button=False):
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"""
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Create a new list, using the passed build_model to populate the list.
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"""
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EmbeddedList.__init__(self, dbstate, uistate, track, name, build_model,
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share_button, move_buttons, jump_button)
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#connect click on the first column
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self.columns[0].connect('clicked', self.groupcol_click)
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for col in self.columns[1:]:
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col.connect('clicked', self.col_click)
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self.dbsort = True
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def construct_model(self):
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"""
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Method that creates the model using the passed build_model parameter
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Overwrites the EmbeddedList calling sequence by adding the different
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groups
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"""
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return self.build_model(self.get_data(), self.dbstate.db,
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self.groups())
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def groups(self):
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"""
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Return the (group key, group name)s in the order as given by get_data()
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"""
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raise NotImplementedError
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def groupcol_click(self, obj):
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"""
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The group column is clicked, sort it as it was
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"""
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self.columns[0].set_sort_order(gtk.SORT_ASCENDING)
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self.rebuild()
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self.dbsort = True
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def col_click(self, obj):
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self.dbsort = False
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def _on_button_press(self, obj, event):
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"""
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Handle button press, not double-click, that is done in init_interface
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"""
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if event.type == gtk.gdk.BUTTON_PRESS and event.button == 3:
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obj = self.get_selected()
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if obj and obj[1]:
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self._tmpgroup = obj[0]
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self.right_click(obj[1], event)
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elif event.type == gtk.gdk.BUTTON_PRESS and event.button == 2:
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fun = self.get_middle_click()
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if fun:
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fun()
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def is_empty(self):
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"""
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Return True if the get_data returns a length greater than
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0. Typically, get_data returns the list of associated data.
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"""
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return len(self.get_data()[self._WORKGROUP]) == 0
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def drag_data_get(self, widget, context, sel_data, info, time):
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"""
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Provide the drag_data_get function, which passes a tuple consisting of:
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1) Drag type defined by the .drag_type field specfied by the value
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assigned to _DND_TYPE
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2) The id value of this object, used for the purpose of determining
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the source of the object. If the source of the object is the same
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as the object, we are doing a reorder instead of a normal drag
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and drop
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3) Pickled data. The pickled version of the selected object
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4) Source row. Used for a reorder to determine the original position
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of the object
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"""
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# get the selected object, returning if not is defined
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obj = self.get_selected()
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if not obj or obj[1] is None:
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#nothing selected or a grouping selected
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return
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# pickle the data, and build the tuple to be passed
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value = (self._DND_TYPE.drag_type, id(self), obj[1],
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self.find_index(obj))
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data = pickle.dumps(value)
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# pass as a string (8 bits)
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sel_data.set(sel_data.target, 8, data)
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def drag_data_received(self, widget, context, x, y, sel_data, info, time):
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"""
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Handle the standard gtk interface for drag_data_received.
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If the selection data is define, extract the value from sel_data.data,
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and decide if this is a move or a reorder.
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"""
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if sel_data and sel_data.data:
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(mytype, selfid, obj, row_from) = pickle.loads(sel_data.data)
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# make sure this is the correct DND type for this object
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if mytype == self._DND_TYPE.drag_type:
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# determine the destination row
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row = self._find_row(x, y)
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# if this is same object, we have a move, otherwise,
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# it is a standard drag-n-drop
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if id(self) == selfid and self.get_selected() is not None:
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self._move(row_from, row, obj)
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else:
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self._handle_drag(row, obj)
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self.rebuild()
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elif self._DND_EXTRA and mytype == self._DND_EXTRA.drag_type:
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self.handle_extra_type(mytype, obj)
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def tree_drag_motion(self, *args):
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"""
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On drag motion one wants the list to show as the database
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representation so it is clear how save will change the data
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"""
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if not self.dbsort:
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self.columns[0].clicked()
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def find_index(self, obj):
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"""
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Returns the index of the object within the associated data.
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This will be a path (groupindex, index)
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"""
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data = self.get_data()
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groupindex = None
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index = None
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for groupindex, group in enumerate(data):
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try:
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index = group.index(obj[1])
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break
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except ValueError:
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pass
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return (groupindex, index)
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def _find_row(self, x, y):
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"""
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Return a path as [groupindex, index] of the row on x,y.
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If no row, then a new line in the working group is returned
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"""
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dest = self.tree.get_dest_row_at_pos(x, y)
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if dest is None:
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if self.is_empty():
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return [self._WORKGROUP, 0]
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else:
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return [self._WORKGROUP, len(self.get_data()[self._WORKGROUP])]
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else:
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row = dest[0]
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if len(row) == 1:
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#drop on a group node, change to first real row
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row = (row[0], 0)
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return row
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def _handle_drag(self, row, obj):
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"""
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drag from external place to row of obj
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"""
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if row[0] == self._WORKGROUP:
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self.get_data()[self._WORKGROUP].insert(row[1], obj)
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self.changed = True
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self.rebuild()
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else:
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self.dropnotworkgroup(row, obj)
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def dropnotworkgroup(self, row, obj):
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"""
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Drop of obj on row that is not WORKGROUP
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"""
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pass
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def _move(self, row_from, row_to, obj):
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"""
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Drag and drop move of the order. Allow in workgroup
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"""
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if row_from[0] == row_to[0] and row_from[0] == self._WORKGROUP:
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dlist = self.get_data()[self._WORKGROUP]
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if row_from[1] < row_to[1]:
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dlist.insert(row_to[1], obj)
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del dlist[row_from[1]]
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else:
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del dlist[row_from[1]]
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dlist.insert(row_to[1]-1, obj)
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self.changed = True
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self.rebuild()
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elif row_from[0] == self._WORKGROUP:
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self.move_away_work(row_from, row_to, obj)
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elif row_to[0] == self._WORKGROUP:
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self.move_to_work(row_from, row_to, obj)
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def move_away_work(self, row_from, row_to, obj):
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"""
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move from the workgroup to a not workgroup
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handle in inherited class, default is nothing changes
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"""
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pass
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def move_to_work(self, row_from, row_to, obj):
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"""
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move from a non workgroup to the workgroup
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handle in inherited class, default is nothing changes
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"""
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pass
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def _move_up(self, row_from, obj, selmethod=None):
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"""
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Move the item a position up in the EmbeddedList.
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Eg: 0,1,2,3 needs to become 0,2,1,3, here row_from = 2
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"""
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if row_from[0] == self._WORKGROUP:
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if selmethod :
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dlist = selmethod()
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else :
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dlist = self.get_data()[self._WORKGROUP]
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del dlist[row_from[1]]
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dlist.insert(row_from[1]-1, obj)
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self.changed = True
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self.rebuild()
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#select the row
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self.tree.get_selection().select_path((self._WORKGROUP,
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row_from[1]-1))
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else:
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self._move_up_notwork(row_from, obj, selmethod)
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def _move_up_notwork(self, row_from, obj, selmethod=None):
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"""
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move up outside of workgroup
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"""
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pass
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def _move_up_group(self, groupindex):
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"""
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move up pressed on the group
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"""
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pass
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def _move_down(self, row_from, obj, selmethod=None):
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"""
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Move the item a position down in the EmbeddedList.
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Eg: 0,1,2,3 needs to become 0,2,1,3, here row_from = 1
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"""
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if row_from[0] == self._WORKGROUP:
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if selmethod :
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dlist = selmethod()
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else :
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dlist = self.get_data()[self._WORKGROUP]
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del dlist[row_from[1]]
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dlist.insert(row_from[1]+1, obj)
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self.changed = True
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self.rebuild()
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#select the row
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self.tree.get_selection().select_path((self._WORKGROUP,
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row_from[1]+1))
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else:
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self._move_down_notwork(row_from, obj, selmethod)
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def _move_down_notwork(self, row_from, obj, selmethod=None):
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"""
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move down outside of workgroup
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"""
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pass
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def _move_down_group(self, groupindex):
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"""
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move down pressed on the group
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"""
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pass
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def get_icon_name(self):
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"""
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Specifies the basic icon used for a generic list. Typically,
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a derived class will override this. The icon chosen is the
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STOCK_JUSTIFY_FILL icon, which in the default GTK style
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looks kind of like a list.
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"""
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return gtk.STOCK_JUSTIFY_FILL
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def del_button_clicked(self, obj):
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ref = self.get_selected()
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if ref and ref[1] is not None:
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if ref[0]==self._WORKGROUP:
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ref_list = self.get_data()[self._WORKGROUP]
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ref_list.remove(ref[1])
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self.changed = True
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self.rebuild()
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else:
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self.del_notwork(ref)
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def del_notwork(self, ref):
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"""
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delete of ref asked that is not part of workgroup
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"""
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pass
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def up_button_clicked(self, obj):
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ref = self.get_selected()
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if ref and ref[1] is not None:
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pos = self.find_index(ref)
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if pos[1] > 0 :
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self._move_up(pos, ref[1])
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elif ref and ref[1] is None:
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self._move_up_group(ref[0])
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def down_button_clicked(self, obj):
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ref = self.get_selected()
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if ref and ref[1] is not None:
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pos = self.find_index(ref)
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if pos[1] >=0 and pos[1] < len(self.get_data()[pos[0]])-1:
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self._move_down(pos, ref[1])
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elif ref and ref[1] is None:
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self._move_down_group(ref[0])
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