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annotate mde/gui/content/options.d @ 94:9520cc0448e5

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Boolean options are now encapsulated within a Content class (currently an experiment). This should facilitate generic option editing widgets.
author Diggory Hardy <diggory.hardy@gmail.com>
date Thu, 23 Oct 2008 17:45:49 +0100
parents 4d5d53e4f881
children 2a364c7d82c9
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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15
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16 /** Content classes for holding options.
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17 *
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18 * Currently they use a rather poor implementation: each is responsible for grabbing its value and
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19 * updating the option, and cannot be notified if that option is changed externally.
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20 */
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21 module mde.gui.content.options;
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22
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23 import mde.gui.content.Content;
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24
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25 import mde.lookup.Options;
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26 import mde.lookup.Translation;
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27
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28 debug {
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29 import tango.util.log.Log : Log, Logger;
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30 private Logger logger;
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31 static this () {
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32 logger = Log.getLogger ("mde.gui.content.options");
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33 }
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34 }
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35
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36 class OptionList
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37 {
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38 this (char[] optsName)
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39 {
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40 auto p = optsName in Options.subClasses;
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41 if (p is null) {
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42 logger.error ("OptionList created with invalid options class name.");
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43 return; // list is empty, nothing displayed
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44 }
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45 Options opts = *p;
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46
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47 Translation trans = Translation.load ("L10n/"~optsName);
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48 char[][] list = opts.list;
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50 textOpts.length = list.length + opts.content.length;
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51 size_t i;
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52 foreach (s; list) {
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53 Translation.Entry transled = trans.getStruct (s);
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54 textOpts[i] = new OptionContent(opts, s, transled.name, transled.desc);
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55 ++i;
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56 }
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57 foreach (s, v; opts.content) {
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58 Translation.Entry transled = trans.getStruct (s);
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59 v.name (transled.name, transled.desc); // set Content name & desc. Only needs doing once
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60 textOpts[i++] = v;
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61 }
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63 }
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64
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65 IContent[] list () {
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66 return textOpts;
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67 }
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69 protected:
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70 IContent[] textOpts;
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71 }
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73 //FIXME - todo.txt
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74 class OptionContent : IContent
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75 {
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76 this (Options o, char[] s, char[] name, char[] desc) {
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77 opts = o;
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78 symb = s;
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79 name_ = name;
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80 desc_ = desc;
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81 }
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83 char[] toString (uint i) {
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84 if (i == 0)
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85 return "dummy"; //opts.get!(char[])(symb);
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86 else if (i == 1)
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87 return name_;
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88 else if (i == 2)
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89 return desc_;
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90 }
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91 /+char[] value () {
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92 return opts.get!(char[])(symb);
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93 }
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94 void value (char[] v) {
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95 opts.set!(char[])(symb, v);
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96 }+/
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97 protected:
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98 Options opts; // the set of options within which our option lies
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99 char[] symb; // the symbol name of our option
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100 char[] name_, desc_;// name and description, loaded by lookup.Translation
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101 }