src/model.cpp

Thu, 13 Feb 2020 15:25:01 +0200

author
Teemu Piippo <teemu@hecknology.net>
date
Thu, 13 Feb 2020 15:25:01 +0200
changeset 54
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parent 51
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permissions
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made the grid look nicer

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1 /*
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2 * LDForge: LDraw parts authoring CAD
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3 * Copyright (C) 2013 - 2020 Teemu Piippo
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4 *
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5 * This program is free software: you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation, either version 3 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18
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19 #include <QBrush>
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20 #include <QFont>
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21 #include "model.h"
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22 #include "modeleditcontext.h"
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23
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24 Model::Model(QObject* parent) :
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25 QAbstractListModel{parent} {}
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26
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27 int Model::size() const
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28 {
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29 return static_cast<int>(this->body.size());
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30 }
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31
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32 Model::EditContext Model::edit()
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33 {
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34 return {*this};
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35 }
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36
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37 int Model::rowCount(const QModelIndex&) const
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38 {
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39 return size();
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40 }
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41
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42 QVariant Model::data(const QModelIndex& index, int role) const
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43 {
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44 const ldraw::Object* object = this->objectAt(index);
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45 switch(role)
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46 {
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47 case Qt::DisplayRole:
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48 return object->textRepresentation();
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49 case Qt::ForegroundRole:
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50 return object->textRepresentationForeground();
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51 case Qt::BackgroundRole:
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52 return object->textRepresentationBackground();
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53 case Qt::FontRole:
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54 return object->textRepresentationFont();
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55 default:
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56 return {};
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57 }
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58 }
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59
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60 QVariant Model::getHeaderProperty(const HeaderProperty property)
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61 {
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62 switch (property)
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63 {
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64 case HeaderProperty::Name:
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65 return header.name;
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66 }
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67 return {};
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68 }
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69
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70 QVariant Model::getObjectProperty(const int index, const ldraw::Property property) const
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71 {
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72 const ldraw::Object* object = this->body[unsigned_cast(index)].get();
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73 return object->getProperty(property);
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74 }
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75
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76 std::vector<gl::Polygon> Model::getPolygons(DocumentManager* documents) const
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77 {
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78 if (this->needRecache)
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79 {
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80 this->cachedPolygons.clear();
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81 ldraw::GetPolygonsContext context{documents};
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82 for (int i = 0; i < this->size(); i += 1)
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83 {
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84 this->getObjectPolygons(i, this->cachedPolygons, &context);
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85 }
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86 this->needRecache = false;
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87 }
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88 return this->cachedPolygons;
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89 }
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90
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91 QModelIndex Model::lookup(ldraw::Id id) const
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92 {
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93 // FIXME: This linear search will probably cause performance issues
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94 for (std::size_t i = 0; i < this->body.size(); i += 1)
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95 {
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96 if (this->body[i]->id == id)
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97 {
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98 return this->index(static_cast<int>(i));
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99 }
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100 }
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101 return {};
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102 }
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103
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104 ldraw::Id Model::resolve(const QModelIndex& index) const
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105 {
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106 return this->objectAt(index)->id;
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107 }
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108
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109 void Model::getObjectPolygons(
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110 const int index,
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111 std::vector<gl::Polygon>& polygons_out,
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112 ldraw::GetPolygonsContext* context) const
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113 {
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114 const ldraw::Object* object = this->body[unsigned_cast(index)].get();
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115 object->getPolygons(polygons_out, context);
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116 }
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117
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118 void Model::append(ModelObjectPointer&& object)
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119 {
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120 this->body.push_back(std::move(object));
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121 }
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122
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123 ldraw::Object* Model::objectAt(const QModelIndex& index)
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124 {
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125 return this->body[unsigned_cast(index.row())].get();
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126 }
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127
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128 const ldraw::Object* Model::objectAt(const QModelIndex& index) const
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129 {
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130 return this->body[unsigned_cast(index.row())].get();
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131 }

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