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AlternateSets.vala in libbirdfont

This file is a part of the Birdfont project.

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1 /* 2 Copyright (C) 2015 Johan Mattsson 3 4 This library is free software; you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 3 of the 7 License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 */ 14 15 namespace BirdFont { 16 17 public class AlternateSets : GLib.Object { 18 19 public Gee.ArrayList<Alternate> alternates; 20 21 public AlternateSets () { 22 alternates = new Gee.ArrayList<Alternate> (); 23 } 24 25 public Gee.ArrayList<string> get_all_tags () { 26 Gee.ArrayList<string> tags; 27 tags = new Gee.ArrayList<string> (); 28 29 foreach (Alternate a in alternates) { 30 if (tags.index_of (a.tag) == -1) { 31 tags.add (a.tag); 32 } 33 } 34 35 tags.sort ((a, b) => { 36 return strcmp ((string) a, (string) b); 37 }); 38 39 return tags; 40 } 41 42 public Gee.ArrayList<Alternate> get_alt (string tag) { 43 Gee.ArrayList<Alternate> alt; 44 alt = new Gee.ArrayList<Alternate> (); 45 46 foreach (Alternate a in alternates) { 47 if (a.tag == tag && a.alternates.size > 0) { 48 alt.add (a); 49 } 50 } 51 52 return alt; 53 } 54 55 public void remove_empty_sets () { 56 int i = 0; 57 foreach (Alternate a in alternates) { 58 if (a.is_empty ()) { 59 alternates.remove_at (i); 60 remove_empty_sets (); 61 return; 62 } 63 i++; 64 } 65 } 66 67 public void add (Alternate alternate) { 68 alternates.add (alternate); 69 } 70 71 public AlternateSets copy () { 72 AlternateSets n = new AlternateSets (); 73 foreach (Alternate a in alternates) { 74 n.alternates.add (a.copy ()); 75 } 76 return n; 77 } 78 } 79 80 public class AlternateItem : GLib.Object { 81 public Alternate alternate_list; 82 public string alternate; 83 84 public AlternateItem (Alternate alternate_list, string alternate) { 85 this.alternate_list = alternate_list; 86 this.alternate = alternate; 87 } 88 89 public void delete_item_from_list () { 90 alternate_list.remove_alternate (alternate); 91 } 92 } 93 94 } 95