gui.input_elements.sequence

1 ############################################################################### 2 # # 3 # Copyright (C) 2012-2015 Edward d'Auvergne # 4 # # 5 # This file is part of the program relax (http://www.nmr-relax.com). # 6 # # 7 # This program is free software: you can redistribute it and/or modify # 8 # it under the terms of the GNU General Public License as published by # 9 # the Free Software Foundation, either version 3 of the License, or # 10 # (at your option) any later version. # 11 # # 12 # This program is distributed in the hope that it will be useful, # 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of # 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # 15 # GNU General Public License for more details. # 16 # # 17 # You should have received a copy of the GNU General Public License # 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. # 19 # # 20 ############################################################################### 21 22 # Module docstring. 23 """Module containing a set of special GUI elements to be used in the relax wizards.""" 24 25 # Python module imports. 26 import wx 27 import wx.lib.mixins.listctrl 28 29 # relax module imports. 30 from gui.input_elements.sequence import Sequence, Sequence_list_ctrl, Sequence_window 31 from gui.string_conv import int_to_gui 32 from lib.check_types import is_list_of_lists 33 from status import Status; status = Status() 34 35

36 -class Sequence_2D(Sequence):

37 """Wizard GUI element for the input of all types of 2D Python sequence objects. 38 39 The supported Python types include: 40 - list of floats 41 - list of integers 42 - list of strings 43 - tuple of floats 44 - tuple of integers 45 - tuple of strings 46 """ 47

48 - def __init__(self, name=None, default=None, parent=None, sizer=None, element_type='default', seq_type=None, value_type=None, dim=None, min=0, max=1000, titles=None, desc=None, combo_choices=None, combo_data=None, combo_list_min=None, tooltip=None, divider=None, padding=0, spacer=None, height_element=27, read_only=False, can_be_none=False):

49 """Set up the element. 50 51 @keyword name: The name of the element to use in titles, etc. 52 @type name: str 53 @keyword default: The default value of the element. 54 @type default: 2D sequence object 55 @keyword parent: The wizard GUI element. 56 @type parent: wx.Panel instance 57 @keyword sizer: The sizer to put the input field widget into. 58 @type sizer: wx.Sizer instance 59 @keyword element_type: The type of GUI element to create. If set to 'default', the wx.TextCtrl element with a button to bring up a dialog with ListCtrl will be used. If set to 'combo_list', the special gui.components.combo_list.Combo_list element will be used. 60 @type element_type: str 61 @keyword seq_type: The type of Python sequence. This should be one of 'list' or 'tuple'. 62 @type seq_type: str 63 @keyword value_type: The type of Python object that the value should be. This can be one of 'float', 'int', or 'str'. 64 @type value_type: str 65 @keyword dim: The dimensions that a list or tuple must conform to. For a 1D sequence, this can be a single value or a tuple of possible sizes. For a 2D sequence (a numpy matrix or list of lists), this must be a tuple of the fixed dimension sizes, e.g. a 3x5 matrix should be specified as (3, 5). 66 @type dim: int, tuple of int or None 67 @keyword min: For a SpinCtrl, the minimum value allowed. 68 @type min: int 69 @keyword max: For a SpinCtrl, the maximum value allowed. 70 @type max: int 71 @keyword titles: The titles of each of the elements of the fixed width second dimension. 72 @type titles: list of str 73 @keyword desc: The text description. 74 @type desc: str 75 @keyword combo_choices: The list of choices to present to the user. This is only used if the element_type is set to 'combo'. 76 @type combo_choices: list of str 77 @keyword combo_data: The data returned by a call to GetValue(). This is only used if the element_type is set to 'combo'. If supplied, it should be the same length at the combo_choices list. If not supplied, the combo_choices list will be used for the returned data. 78 @type combo_data: list 79 @keyword combo_list_min: The minimum length for the Combo_list object. 80 @type combo_list_min: int or None 81 @keyword tooltip: The tooltip which appears on hovering over the text or input field. 82 @type tooltip: str 83 @keyword divider: The optional position of the divider. If None, the class variable _div_left will be used. 84 @type divider: None or int 85 @keyword padding: Spacing to the left and right of the widgets. 86 @type padding: int 87 @keyword spacer: The amount of spacing to add below the field in pixels. If None, a stretchable spacer will be used. 88 @type spacer: None or int 89 @keyword height_element: The height in pixels of the GUI element. 90 @type height_element: int 91 @keyword read_only: A flag which if True means that the text of the element cannot be edited. 92 @type read_only: bool 93 @keyword can_be_none: A flag which specifies if the element is allowed to have the None value. 94 @type can_be_none: bool 95 """ 96 97 # Store some of the args. 98 self.titles = titles 99 100 # Initialise the base class. 101 Sequence.__init__(self, name=name, default=default, parent=parent, sizer=sizer, element_type=element_type, seq_type=seq_type, value_type=value_type, dim=dim, min=min, max=max, titles=titles, desc=desc, combo_choices=combo_choices, combo_data=combo_data, combo_list_min=combo_list_min, tooltip=tooltip, divider=divider, padding=padding, spacer=spacer, height_element=height_element, read_only=read_only, can_be_none=can_be_none)

102 103

104 - def open_dialog(self, event):

105 """Open a special dialog for inputting a list of text values. 106 107 @param event: The wx event. 108 @type event: wx event 109 """ 110 111 # Show the window. 112 self.selection_win_show() 113 114 # Extract the data from the selection window once closed. 115 self.selection_win_data() 116 117 # Destroy the window. 118 self.sel_win.Destroy() 119 del self.sel_win

120 121

122 - def selection_win_show(self):

123 """Show the selection window.""" 124 125 # Destroy any pre-existing sequence window. 126 if hasattr(self, 'sel_win'): 127 self.sel_win.Destroy() 128 del self.sel_win 129 130 # Initialise the window. 131 self.sel_win = Sequence_window_2D(name=self.name, seq_type=self.seq_type, value_type=self.value_type, titles=self.titles, dim=self.dim) 132 133 # Set the values. 134 self.sel_win.SetValue(self.GetValue()) 135 136 # Show the window. 137 if status.show_gui: 138 self.sel_win.ShowModal() 139 self.sel_win.Close()

140 141 142

143 -class Sequence_window_2D(Sequence_window):

144 """The Python 2D sequence object editor window.""" 145

146 - def __init__(self, name='', seq_type='list', value_type='str', dim=None, titles=None):

147 """Set up the string list editor window. 148 149 @keyword name: The name of the window. 150 @type name: str 151 @keyword seq_type: The type of Python sequence. This should be one of 'list' or 'tuple'. 152 @type seq_type: str 153 @keyword value_type: The type of Python data expected in the sequence. This should be one of 'float', 'int', or 'str'. 154 @type value_type: str 155 @keyword dim: The fixed dimensions that the sequence must conform to. 156 @type dim: tuple of int or None 157 @keyword titles: The titles of each of the elements of the fixed width second dimension. If the dim argument is given, the length of this list must match the second number. 158 @type titles: list of str 159 """ 160 161 # Store the titles. 162 self.titles = titles 163 if titles == None: 164 if dim == None: 165 self.titles = [wx.EmptyString] 166 else: 167 self.titles = [wx.EmptyString] * dim[1] 168 169 # Determine the dimensions if not given. 170 if dim == None: 171 dim = (None, len(self.titles)) 172 173 # Variable length. 174 self.variable_length = False 175 self.offset = 0 176 if dim[0] == None: 177 self.variable_length = True 178 self.offset = 1 179 180 # Initialise the base class. 181 Sequence_window.__init__(self, name=name, seq_type=seq_type, value_type=value_type, dim=dim, titles=self.titles)

182 183

184 - def GetValue(self):

185 """Return the values as a 2D sequence of values. 186 187 @return: The list of lists of values. 188 @rtype: list of lists of str or None 189 """ 190 191 # Init. 192 values = [] 193 194 # Loop over the entries. 195 for i in range(self.sequence.GetItemCount()): 196 # Append a new list. 197 values.append([]) 198 199 # Loop over the items. 200 for j in range(self.dim[1]): 201 # The item. 202 item = self.sequence.GetItem(i, j+self.offset) 203 204 # Append the value. 205 try: 206 value = self.convert_from_gui(item.GetText()) 207 except: 208 value = None 209 values[-1].append(value) 210 211 # Sequence conversion. 212 if self.seq_type == 'tuple': 213 values[-1] = tuple(values[-1]) 214 215 # Sequence conversion. 216 if self.seq_type == 'tuple': 217 values = tuple(values) 218 219 # Check that something is set. 220 empty = True 221 for i in range(len(values)): 222 for j in range(len(values[i])): 223 if values[i][j] != None: 224 empty = False 225 break 226 227 # Return nothing. 228 if empty: 229 return None 230 231 # Return the list. 232 return values

233 234

235 - def SetValue(self, values):

236 """Set up the list of lists values. 237 238 @param values: The list of lists of values to add to the list. 239 @type values: list of lists of str or None 240 """ 241 242 # No value. 243 if values == None: 244 return 245 246 # Not a list of lists. 247 if not is_list_of_lists(values): 248 return 249 250 # Loop over the entries. 251 for i in range(len(values)): 252 # Append a row for variable dimension sequences (the first element already exists). 253 if self.variable_length and i != 0: 254 self.sequence.InsertStringItem(i, int_to_gui(i+1)) 255 256 # Loop over the values. 257 for j in range(self.dim[1]): 258 # Set the value. 259 self.sequence.SetStringItem(i, j+self.offset, self.convert_to_gui(values[i][j])) 260 261 # Refresh. 262 self.Refresh()

263 264

265 - def add_list(self, sizer):

266 """Set up the list control. 267 268 @param sizer: A sizer object. 269 @type sizer: wx.Sizer instance 270 """ 271 272 # The control. 273 self.sequence = Sequence_list_ctrl(self) 274 275 # Set the column title. 276 title = "%s%s" % (self.name[0].upper(), self.name[1:]) 277 278 # Add a column for the indices. 279 index_width = 0 280 if self.variable_length: 281 index_width = 70 282 self.sequence.InsertColumn(0, "Number") 283 self.sequence.SetColumnWidth(0, index_width) 284 285 # Add the columns. 286 for i in range(self.dim[1]): 287 self.sequence.InsertColumn(i+self.offset, self.titles[i]) 288 self.sequence.SetColumnWidth(i+self.offset, (self.width - index_width)/self.dim[1]) 289 290 # Add the table to the sizer. 291 sizer.Add(self.sequence, 1, wx.ALL|wx.EXPAND, 0) 292 293 # The fixed dimension sequence - add all the rows needed. 294 if not self.variable_length: 295 for i in range(self.dim[0]): 296 self.add_element(None)

297

Source Code for Module gui.input_elements.sequence_2D