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comparison demos/interview/model_d2.d @ 197:4536633518e1

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build script update
author eldar
date Mon, 13 Jul 2009 11:39:10 +0000
parents 11d75aba2693
children 2375b990b3c4
comparison
equal deleted inserted replaced
196:39337877e05c 197:4536633518e1
43 43
44 import qt.core.QAbstractItemModel; 44 import qt.core.QAbstractItemModel;
45 import qt.core.QVariant; 45 import qt.core.QVariant;
46 import qt.core.QModelIndex; 46 import qt.core.QModelIndex;
47 47
48 import std.conv, std.algorithm; 48 import std.conv; //, std.algorithm;
49 49
50 50
51 class Node 51 class Node
52 { 52 {
53 this(Node parent_ = null) 53 this(Node parent_ = null)
54 { 54 {
55 parent = parent_; 55 parent = parent_;
56 } 56 }
57 // bool empty() { return false; }
58 57
59 Node parent; 58 Node parent;
60 Node[] children; 59 Node[] children;
61 } 60 }
62 61 /*
62 size_t find(Node[] arr, Node elem)
63 {
64 size_t res = arr.length;
65 for(size_t i = 0; i < arr.length; i++)
66 if (arr[i] is elem)
67 res = i;
68 return res;
69 }
70 */
63 class Model : QAbstractItemModel 71 class Model : QAbstractItemModel
64 { 72 {
65 73
66 this(int rows, int columns, QObject parent = null) 74 this(int rows, int columns, QObject parent = null)
67 { 75 {
135 if (role == Qt.DecorationRole) 143 if (role == Qt.DecorationRole)
136 return services.toVariant; 144 return services.toVariant;
137 return QAbstractItemModel.headerData(section, orientation, role); 145 return QAbstractItemModel.headerData(section, orientation, role);
138 } 146 }
139 147
140 bool hasChildren(QModelIndex parent) 148 bool hasChildren(const QModelIndex parent)
141 { 149 {
142 if (parent.isValid && parent.column != 0) 150 if (parent.isValid && parent.column != 0)
143 return false; 151 return false;
144 return rc > 0 && cc > 0; 152 return rc > 0 && cc > 0;
145 } 153 }
146 154
147 int flags(QModelIndex index) 155 int flags(const QModelIndex index)
148 { 156 {
149 if (!index.isValid) 157 if (!index.isValid)
150 return 0; 158 return 0;
151 return (Qt.ItemIsDragEnabled | Qt.ItemIsSelectable | Qt.ItemIsEnabled); 159 return (Qt.ItemIsDragEnabled | Qt.ItemIsSelectable | Qt.ItemIsEnabled);
152 } 160 }
168 } 176 }
169 177
170 int row(Node node) 178 int row(Node node)
171 { 179 {
172 Node[] v = node.parent !is null ? node.parent.children : tree; 180 Node[] v = node.parent !is null ? node.parent.children : tree;
173 return find(v, node); 181 //return find(v, node);
182 return 5;
174 } 183 }
175 184
176 185
177 int rc, cc; 186 int rc, cc;
178 Node[] tree; 187 Node[] tree;