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AlternateSets.vala in libbirdfont

This file is a part of the Birdfont project.

Contributing

Send patches or pull requests to johan.mattsson.m@gmail.com.
Clone this repository: git clone https://github.com/johanmattssonm/birdfont.git

Revisions

View the latest version of libbirdfont/AlternateSets.vala.
Merge ../birdfont-2.x
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 Gee.ArrayList<Alternate> get_alt_with_glyph (string tag, Font font) { 56 Gee.ArrayList<Alternate> alt; 57 alt = new Gee.ArrayList<Alternate> (); 58 59 foreach (Alternate a in alternates) { 60 Alternate available = new Alternate (a.glyph_name, a.tag); 61 62 foreach (string substitution in a.alternates) { 63 if (font.has_glyph (substitution)) { 64 available.alternates.add (substitution); 65 } 66 } 67 68 if (available.tag == tag && available.alternates.size > 0) { 69 if (font.has_glyph (available.glyph_name)) { 70 alt.add (available); 71 } 72 } 73 } 74 75 return alt; 76 } 77 78 public void remove_empty_sets () { 79 int i = 0; 80 foreach (Alternate a in alternates) { 81 if (a.is_empty ()) { 82 alternates.remove_at (i); 83 remove_empty_sets (); 84 return; 85 } 86 i++; 87 } 88 } 89 90 public void add (Alternate alternate) { 91 alternates.add (alternate); 92 } 93 94 public AlternateSets copy () { 95 AlternateSets n = new AlternateSets (); 96 foreach (Alternate a in alternates) { 97 n.alternates.add (a.copy ()); 98 } 99 return n; 100 } 101 } 102 103 public class AlternateItem : GLib.Object { 104 public Alternate alternate_list; 105 public string alternate; 106 107 public AlternateItem (Alternate alternate_list, string alternate) { 108 this.alternate_list = alternate_list; 109 this.alternate = alternate; 110 } 111 112 public void delete_item_from_list () { 113 alternate_list.remove_alternate (alternate); 114 } 115 } 116 117 } 118