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comparison demos/interview/model_d2.d @ 202:57c3714ed282

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interview fixes, using override keyword
author eldar
date Mon, 13 Jul 2009 13:47:15 +0000
parents aa3811034056
children
comparison
equal deleted inserted replaced
201:aa3811034056 202:57c3714ed282
87 file = iconProvider.icon(QFileIconProvider.File); 87 file = iconProvider.icon(QFileIconProvider.File);
88 services = new QIcon(":/images/services.png"); 88 services = new QIcon(":/images/services.png");
89 } 89 }
90 90
91 91
92 QModelIndex index(int row, int column, const QModelIndex parent) 92 override QModelIndex index(int row, int column, const QModelIndex parent)
93 { 93 {
94 if (row < rc && row >= 0 && column < cc && column >= 0) { 94 if (row < rc && row >= 0 && column < cc && column >= 0) {
95 Node p = cast(Node) parent.internalPointer(); 95 Node p = cast(Node) parent.internalPointer();
96 Node n = getNode(row, p); 96 Node n = getNode(row, p);
97 if (n !is null) 97 if (n !is null)
98 return createIndex(row, column, cast(void*)n); 98 return createIndex(row, column, cast(void*)n);
99 } 99 }
100 return QModelIndex(); 100 return QModelIndex();
101 } 101 }
102 102
103 QModelIndex parent(const QModelIndex child) 103 override QModelIndex parent(const QModelIndex child)
104 { 104 {
105 if (child.isValid()) { 105 if (child.isValid()) {
106 Node n = cast(Node) child.internalPointer(); 106 Node n = cast(Node) child.internalPointer();
107 Node p = parent(n); 107 Node p = parent(n);
108 if (p !is null) 108 if (p !is null)
109 return createIndex(row(p), 0, cast(void*)p); 109 return createIndex(row(p), 0, cast(void*)p);
110 } 110 }
111 return QModelIndex(); 111 return QModelIndex();
112 } 112 }
113 113
114 int rowCount(const QModelIndex parent) 114 override int rowCount(const QModelIndex parent)
115 { 115 {
116 return (parent.isValid() && parent.column() != 0) ? 0 : rc; 116 return (parent.isValid() && parent.column() != 0) ? 0 : rc;
117 } 117 }
118 118
119 int columnCount(const QModelIndex parent) 119 override int columnCount(const QModelIndex parent)
120 { 120 {
121 return cc; 121 return cc;
122 } 122 }
123 123
124 QVariant data(const QModelIndex index, int role) 124 override QVariant data(const QModelIndex index, int role)
125 { 125 {
126 if (!index.isValid) 126 if (!index.isValid)
127 return new QVariant; 127 return new QVariant;
128 if (role == Qt.DisplayRole) 128 if (role == Qt.DisplayRole)
129 return new QVariant("Item " ~ to!string(index.row) ~ ":" ~ to!string(index.column)); 129 return new QVariant("Item " ~ to!string(index.row) ~ ":" ~ to!string(index.column));
134 return file.toVariant; 134 return file.toVariant;
135 } 135 }
136 return new QVariant; 136 return new QVariant;
137 } 137 }
138 138
139 QVariant headerData(int section, Qt.Orientation orientation, int role) 139 override QVariant headerData(int section, Qt.Orientation orientation, int role)
140 { 140 {
141 if (role == Qt.DisplayRole) 141 if (role == Qt.DisplayRole)
142 return new QVariant(to!string(section)); 142 return new QVariant(to!string(section));
143 if (role == Qt.DecorationRole) 143 if (role == Qt.DecorationRole)
144 return services.toVariant; 144 return services.toVariant;
145 return QAbstractItemModel.headerData(section, orientation, role); 145 return QAbstractItemModel.headerData(section, orientation, role);
146 } 146 }
147 147
148 bool hasChildren(const QModelIndex parent) 148 override bool hasChildren(const QModelIndex parent)
149 { 149 {
150 if (parent.isValid && parent.column != 0) 150 if (parent.isValid && parent.column != 0)
151 return false; 151 return false;
152 return rc > 0 && cc > 0; 152 return rc > 0 && cc > 0;
153 } 153 }
154 154
155 int flags(const QModelIndex index) 155 override int flags(const QModelIndex index)
156 { 156 {
157 if (!index.isValid) 157 if (!index.isValid)
158 return 0; 158 return 0;
159 return (Qt.ItemIsDragEnabled | Qt.ItemIsSelectable | Qt.ItemIsEnabled); 159 return (Qt.ItemIsDragEnabled | Qt.ItemIsSelectable | Qt.ItemIsEnabled);
160 } 160 }