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 #include <QFile>
  27 #include <QTextStream>
  28 #include <QHash>
  29 #include <QDir>
  30
  31 ProjectModel::ProjectModel(QString config, QObject *parent) :
  32     QAbstractItemModel(parent)
  33 {
  34     root = new ProjectRoot(config);
  35 }
  36
  37 ProjectModel::~ProjectModel()
  38 {
  39     if(root)
  40         delete root;
  41 }
  42
  43 QModelIndex ProjectModel::index(int row, int column,
  44                                 const QModelIndex& parent) const
  45 {
  46
  47     if(!hasIndex(row, column, parent))
  48         return QModelIndex();
  49
  50     ProjectNode* foundParent = root;
  51     if(parent.isValid())
  52         foundParent = static_cast<ProjectNode*>(parent.internalPointer());
  53
  54     if(row < foundParent->numChildren() && row >= 0)
  55         return createIndex(row, column, foundParent->child(row));
  56     else
  57         return QModelIndex();
  58 }
  59
  60 QModelIndex ProjectModel::parent(const QModelIndex &child) const
  61 {
  62     if(!child.isValid())
  63         return QModelIndex();
  64
  65     ProjectNode* foundParent = static_cast<ProjectNode*>
  66                                    (child.internalPointer())->parent();
  67
  68     if(foundParent == root)
  69         return QModelIndex();
  70
  71     return createIndex(foundParent->row(), 0, foundParent);
  72 }
  73
  74 int ProjectModel::rowCount(const QModelIndex &parent) const
  75 {
  76     if(!root)
  77         return 0;
  78
  79     if(!parent.isValid())
  80         return root->numChildren();
  81
  82     if(parent.column() != 0)
  83         return 0;
  84
  85     return static_cast<ProjectNode*>(parent.internalPointer())->numChildren();
  86 }
  87
  88 int ProjectModel::columnCount(const QModelIndex &parent) const
  89 {
  90     return numColumns;
  91 }
  92
  93 QVariant ProjectModel::data(const QModelIndex &index, int role) const
  94 {
  95     if(!index.isValid())
  96         return QVariant();
  97
  98     if(role != Qt::DisplayRole)
  99         return QVariant();
 100
 101     return static_cast<ProjectNode*>
 102             (index.internalPointer())->data(index.column());
 103 }
 104
 105 QVariant ProjectModel::headerData(int col, Qt::Orientation orientation,
 106                                   int role) const
 107 {
 108     return QVariant();
 109 }
 110
 111 Qt::ItemFlags ProjectModel::flags(const QModelIndex &index) const
 112 {
 113     return static_cast<ProjectNode*>
 114             (index.internalPointer())->flags(index.column());
 115 }
 116
 117 bool ProjectModel::setData(const QModelIndex &index, const QVariant &value,
 118                            int role)
 119 {
 120     return true;
 121 }
 122
 123 /* Constructor and destructor for the root class */
 124 ProjectRoot::ProjectRoot(QString config)
 125 {
 126     /* Reading the config file */
 127     QFile cfg(config);
 128     cfg.open(QFile::ReadOnly | QFile::Text);
 129     if(!cfg.isReadable())
 130         return;
 131
 132     QTextStream fin(&cfg);
 133
 134     /* Storing the base directory */
 135     QString confDir = config;
 136     confDir.chop(confDir.length() - confDir.lastIndexOf('/') - 1);
 137     QDir base(confDir);
 138     base.cdUp();
 139     settings.insert("themebase", base.canonicalPath());
 140
 141     while(!fin.atEnd())
 142     {
 143         QString current = fin.readLine();
 144         QList<QString> parts = current.split(':');
 145
 146         /* A valid setting has at least one : */
 147         if(parts.count() < 2)
 148             continue;
 149
 150         QString setting;
 151         for(int i = 1; i < parts.count(); i++)
 152             setting.append(parts[i].trimmed());
 153
 154         settings.insert(parts[0].trimmed(), setting);
 155     }
 156
 157     cfg.close();
 158
 159     /* Showing the files */
 160     children.append(new ProjectFiles(settings, this));
 161
 162 }
 163
 164 ProjectRoot::~ProjectRoot()
 165 {
 166     for(int i = 0; i < children.count(); i++)
 167         delete children[i];
 168 }