utils/themeeditor/projectmodel.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22
  23 #include "projectmodel.h"
  24 #include "projectfiles.h"
  25
  26 ProjectModel::ProjectModel(QString config, QObject *parent) :
  27     QAbstractItemModel(parent)
  28 {
  29     root = new ProjectRoot(config);
  30 }
  31
  32 ProjectModel::~ProjectModel()
  33 {
  34     if(root)
  35         delete root;
  36 }
  37
  38 QModelIndex ProjectModel::index(int row, int column,
  39                                 const QModelIndex& parent) const
  40 {
  41
  42     if(!hasIndex(row, column, parent))
  43         return QModelIndex();
  44
  45     ProjectNode* foundParent = root;
  46     if(parent.isValid())
  47         foundParent = static_cast<ProjectNode*>(parent.internalPointer());
  48
  49     if(row < foundParent->numChildren() && row >= 0)
  50         return createIndex(row, column, foundParent->child(row));
  51     else
  52         return QModelIndex();
  53 }
  54
  55 QModelIndex ProjectModel::parent(const QModelIndex &child) const
  56 {
  57     if(!child.isValid())
  58         return QModelIndex();
  59
  60     ProjectNode* foundParent = static_cast<ProjectNode*>
  61                                    (child.internalPointer())->parent();
  62
  63     if(foundParent == 0)
  64         return QModelIndex();
  65
  66     return createIndex(foundParent->row(), 0, foundParent);
  67 }
  68
  69 int ProjectModel::rowCount(const QModelIndex &parent) const
  70 {
  71     if(!root)
  72         return 0;
  73
  74     if(!parent.isValid())
  75         return root->numChildren();
  76
  77     if(parent.column() != 0)
  78         return 0;
  79
  80     return static_cast<ProjectNode*>(parent.internalPointer())->numChildren();
  81 }
  82
  83 int ProjectModel::columnCount(const QModelIndex &parent) const
  84 {
  85     return numColumns;
  86 }
  87
  88 QVariant ProjectModel::data(const QModelIndex &index, int role) const
  89 {
  90     if(!index.isValid())
  91         return QVariant();
  92
  93     if(role != Qt::DisplayRole)
  94         return QVariant();
  95
  96     return static_cast<ProjectNode*>
  97             (index.internalPointer())->data(index.column());
  98 }
  99
 100 QVariant ProjectModel::headerData(int col, Qt::Orientation orientation,
 101                                   int role) const
 102 {
 103     return QVariant();
 104 }
 105
 106 Qt::ItemFlags ProjectModel::flags(const QModelIndex &index) const
 107 {
 108     return static_cast<ProjectNode*>
 109             (index.internalPointer())->flags(index.column());
 110 }
 111
 112 bool ProjectModel::setData(const QModelIndex &index, const QVariant &value,
 113                            int role)
 114 {
 115     return true;
 116 }
 117
 118 /* Constructor and destructor for the root class */
 119 ProjectRoot::ProjectRoot(QString config)
 120 {
 121     children.append(new ProjectFiles(this));
 122 }
 123
 124 ProjectRoot::~ProjectRoot()
 125 {
 126     for(int i = 0; i < children.count(); i++)
 127         delete children[i];
 128 }