gui.input_elements.sequence

1 ############################################################################### 2 # # 3 # Copyright (C) 2012-2014 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 sys 27 import wx 28 import wx.lib.mixins.listctrl 29 30 # relax module imports. 31 from gui.input_elements.sequence import Sequence, Sequence_list_ctrl, Sequence_window 32 from gui.string_conv import int_to_gui 33 from lib.check_types import is_list_of_lists 34 from status import Status; status = Status() 35 36

37 -class Sequence_2D(Sequence):

38 """Wizard GUI element for the input of all types of 2D Python sequence objects. 39 40 The supported Python types include: 41 - list of floats 42 - list of integers 43 - list of strings 44 - tuple of floats 45 - tuple of integers 46 - tuple of strings 47 """ 48

49 - 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):

50 """Set up the element. 51 52 @keyword name: The name of the element to use in titles, etc. 53 @type name: str 54 @keyword default: The default value of the element. 55 @type default: 2D sequence object 56 @keyword parent: The wizard GUI element. 57 @type parent: wx.Panel instance 58 @keyword sizer: The sizer to put the input field widget into. 59 @type sizer: wx.Sizer instance 60 @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. 61 @type element_type: str 62 @keyword seq_type: The type of Python sequence. This should be one of 'list' or 'tuple'. 63 @type seq_type: str 64 @keyword value_type: The type of Python object that the value should be. This can be one of 'float', 'int', or 'str'. 65 @type value_type: str 66 @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). 67 @type dim: int, tuple of int or None 68 @keyword min: For a SpinCtrl, the minimum value allowed. 69 @type min: int 70 @keyword max: For a SpinCtrl, the maximum value allowed. 71 @type max: int 72 @keyword titles: The titles of each of the elements of the fixed width second dimension. 73 @type titles: list of str 74 @keyword desc: The text description. 75 @type desc: str 76 @keyword combo_choices: The list of choices to present to the user. This is only used if the element_type is set to 'combo'. 77 @type combo_choices: list of str 78 @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. 79 @type combo_data: list 80 @keyword combo_list_min: The minimum length for the Combo_list object. 81 @type combo_list_min: int or None 82 @keyword tooltip: The tooltip which appears on hovering over the text or input field. 83 @type tooltip: str 84 @keyword divider: The optional position of the divider. If None, the class variable _div_left will be used. 85 @type divider: None or int 86 @keyword padding: Spacing to the left and right of the widgets. 87 @type padding: int 88 @keyword spacer: The amount of spacing to add below the field in pixels. If None, a stretchable spacer will be used. 89 @type spacer: None or int 90 @keyword height_element: The height in pixels of the GUI element. 91 @type height_element: int 92 @keyword read_only: A flag which if True means that the text of the element cannot be edited. 93 @type read_only: bool 94 @keyword can_be_none: A flag which specifies if the element is allowed to have the None value. 95 @type can_be_none: bool 96 """ 97 98 # Store some of the args. 99 self.titles = titles 100 101 # Initialise the base class. 102 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)

103 104

105 - def open_dialog(self, event):

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

120 121

122 - def selection_win_show(self):

123 """Show the selection window.""" 124 125 # Initialise the window. 126 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) 127 128 # Set the values. 129 self.sel_win.SetValue(self.GetValue()) 130 131 # Show the window. 132 if status.show_gui: 133 self.sel_win.ShowModal() 134 self.sel_win.Close()

135 136 137

138 -class Sequence_window_2D(Sequence_window):

139 """The Python 2D sequence object editor window.""" 140

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

142 """Set up the string list editor window. 143 144 @keyword name: The name of the window. 145 @type name: str 146 @keyword seq_type: The type of Python sequence. This should be one of 'list' or 'tuple'. 147 @type seq_type: str 148 @keyword value_type: The type of Python data expected in the sequence. This should be one of 'float', 'int', or 'str'. 149 @type value_type: str 150 @keyword dim: The fixed dimensions that the sequence must conform to. 151 @type dim: tuple of int or None 152 @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. 153 @type titles: list of str 154 """ 155 156 # Store the titles. 157 self.titles = titles 158 if titles == None: 159 self.titles = [wx.EmptyString] * dim[1] 160 161 # Determine the dimensions if not given. 162 if dim == None: 163 dim = (None, len(self.titles)) 164 165 # Variable length. 166 self.variable_length = False 167 self.offset = 0 168 if dim[0] == None: 169 self.variable_length = True 170 self.offset = 1 171 172 # Initialise the base class. 173 Sequence_window.__init__(self, name=name, seq_type=seq_type, value_type=value_type, dim=dim, titles=self.titles)

174 175

176 - def GetValue(self):

177 """Return the values as a 2D sequence of values. 178 179 @return: The list of lists of values. 180 @rtype: list of lists of str or None 181 """ 182 183 # Init. 184 values = [] 185 186 # Loop over the entries. 187 for i in range(self.sequence.GetItemCount()): 188 # Append a new list. 189 values.append([]) 190 191 # Loop over the items. 192 for j in range(self.dim[1]): 193 # The item. 194 item = self.sequence.GetItem(i, j+self.offset) 195 196 # Append the value. 197 try: 198 value = self.convert_from_gui(item.GetText()) 199 except: 200 value = None 201 values[-1].append(value) 202 203 # Sequence conversion. 204 if self.seq_type == 'tuple': 205 values[-1] = tuple(values[-1]) 206 207 # Sequence conversion. 208 if self.seq_type == 'tuple': 209 values = tuple(values) 210 211 # Check that something is set. 212 empty = True 213 for i in range(len(values)): 214 for j in range(len(values[i])): 215 if values[i][j] != None: 216 empty = False 217 break 218 219 # Return nothing. 220 if empty: 221 return None 222 223 # Return the list. 224 return values

225 226

227 - def SetValue(self, values):

228 """Set up the list of lists values. 229 230 @param values: The list of lists of values to add to the list. 231 @type values: list of lists of str or None 232 """ 233 234 # No value. 235 if values == None: 236 return 237 238 # Not a list of lists. 239 if not is_list_of_lists(values): 240 return 241 242 # Loop over the entries. 243 for i in range(len(values)): 244 # Append a row for variable dimension sequences (the first element already exists). 245 if self.variable_length and i != 0: 246 self.sequence.InsertStringItem(i, int_to_gui(i+1)) 247 248 # Loop over the values. 249 for j in range(self.dim[1]): 250 # Set the value. 251 self.sequence.SetStringItem(i, j+self.offset, self.convert_to_gui(values[i][j])) 252 253 # Refresh. 254 self.Refresh()

255 256

257 - def add_list(self, sizer):

258 """Set up the list control. 259 260 @param sizer: A sizer object. 261 @type sizer: wx.Sizer instance 262 """ 263 264 # The control. 265 self.sequence = Sequence_list_ctrl(self) 266 267 # Set the column title. 268 title = "%s%s" % (self.name[0].upper(), self.name[1:]) 269 270 # Add a column for the indices. 271 index_width = 0 272 if self.variable_length: 273 index_width = 70 274 self.sequence.InsertColumn(0, "Number") 275 self.sequence.SetColumnWidth(0, index_width) 276 277 # Add the columns. 278 for i in range(self.dim[1]): 279 self.sequence.InsertColumn(i+self.offset, self.titles[i]) 280 self.sequence.SetColumnWidth(i+self.offset, (self.width - index_width)/self.dim[1]) 281 282 # Add the table to the sizer. 283 sizer.Add(self.sequence, 1, wx.ALL|wx.EXPAND, 0) 284 285 # The fixed dimension sequence - add all the rows needed. 286 if not self.variable_length: 287 for i in range(self.dim[0]): 288 self.add_element(None)

289

Source Code for Module gui.input_elements.sequence_2D