# HG changeset patch
# User eldar
# Date 1247439710 0
# Node ID 11d75aba2693ea0cda36629e6975cfcc2eadd256
# Parent  1d272f0bfefa84541da1e89de66dad7307f13745
missing file for interview

diff -r 1d272f0bfefa -r 11d75aba2693 demos/interview/model_d2.d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/interview/model_d2.d	Sun Jul 12 23:01:50 2009 +0000
@@ -0,0 +1,182 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information
+** to ensure GNU General Public Licensing requirements will be met:
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+** exception, Nokia gives you certain additional rights. These rights
+** are described in the Nokia Qt GPL Exception version 1.3, included in
+** the file GPL_EXCEPTION.txt in this package.
+**
+** Qt for Windows(R) Licensees
+** As a special exception, Nokia, as the sole copyright holder for Qt
+** Designer, grants users of the Qt/Eclipse Integration plug-in the
+** right for the Qt/Eclipse Integration to link to functionality
+** provided by Qt Designer and its related libraries.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+****************************************************************************/
+
+module model_d2;
+
+import qt.gui.QIcon;
+import qt.gui.QPixmap;
+import qt.gui.QFileIconProvider;
+
+import qt.core.QAbstractItemModel;
+import qt.core.QVariant;
+import qt.core.QModelIndex;
+
+import std.conv, std.algorithm;
+
+
+class Node
+{
+    this(Node parent_ = null)
+    {
+        parent = parent_;
+    }
+//    bool empty() { return false; }
+        
+    Node parent;
+    Node[] children;
+}
+    
+class Model : QAbstractItemModel
+{
+
+    this(int rows, int columns, QObject parent = null)
+    {
+        super(parent);
+        rc = rows;
+        cc = columns;
+        tree = new Node[rows];
+        foreach(ref node; tree) {
+            node = new Node;
+        }
+        
+        iconProvider = new QFileIconProvider;
+        
+        folder = iconProvider.icon(QFileIconProvider.Folder);
+        file = iconProvider.icon(QFileIconProvider.File);
+        services = new QIcon(":/images/services.png");
+    }
+
+
+    QModelIndex index(int row, int column, const QModelIndex parent)
+    {
+        if (row < rc && row >= 0 && column < cc && column >= 0) {
+            Node p = cast(Node) parent.internalPointer();
+            Node n = getNode(row, p);
+        if (n !is null)
+            return createIndex(row, column, cast(void*)n);
+        }
+        return QModelIndex();
+    }
+
+    QModelIndex parent(const QModelIndex child)
+    {
+        if (child.isValid()) {
+            Node n = cast(Node) child.internalPointer();
+            Node p = parent(n);
+            if (p !is null)
+                return createIndex(row(p), 0, cast(void*)p);
+        }
+        return QModelIndex();
+    }
+
+    int rowCount(const QModelIndex parent)
+    {
+        return (parent.isValid() && parent.column() != 0) ? 0 : rc;
+    }
+
+    int columnCount(const QModelIndex parent)
+    {
+        return cc;
+    }
+    
+    QVariant data(const QModelIndex index, int role)
+    {
+        if (!index.isValid)
+            return new QVariant;
+        if (role == Qt.DisplayRole)
+            return new QVariant("Item " ~ to!string(index.row) ~ ":" ~ to!string(index.column));
+        if (role == Qt.DecorationRole) {
+            if (index.column == 0)
+                //return iconProvider.icon(QFileIconProvider::Folder);
+                return folder.toVariant;
+            return file.toVariant;
+        }
+        return new QVariant;
+    }
+    
+    QVariant headerData(int section, Qt.Orientation orientation, int role)
+    {
+        if (role == Qt.DisplayRole)
+            return new QVariant(to!string(section));
+        if (role == Qt.DecorationRole)
+            return services.toVariant;
+        return QAbstractItemModel.headerData(section, orientation, role);
+    }
+
+    bool hasChildren(QModelIndex parent)
+    {
+        if (parent.isValid && parent.column != 0)
+            return false;
+        return rc > 0 && cc > 0;
+    }
+    
+    int flags(QModelIndex index)
+    {
+        if (!index.isValid)
+            return 0;
+        return (Qt.ItemIsDragEnabled | Qt.ItemIsSelectable | Qt.ItemIsEnabled);
+    }
+
+    Node getNode(int row, Node parent)
+    {
+        if(parent !is null && parent.children.length == 0) {
+            for(int i = 0; i < rc; i++)
+                parent.children ~= new Node(parent);
+        }
+
+        Node[] v = parent !is null ? parent.children : tree;
+        return v[row];
+    }
+
+    Node parent(Node child)
+    {
+        return child !is null ? child.parent : null;
+    }
+    
+    int row(Node node)
+    {
+        Node[] v = node.parent !is null ? node.parent.children : tree;
+        return find(v, node);
+    }
+
+
+    int rc, cc;
+    Node[] tree;
+    QFileIconProvider iconProvider;
+    
+    QIcon folder, services, file;
+}