src/vertexdelegate.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008,2009 Oliver Gloth                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23 #ifndef VERTEXDELEGATE_H
  24 #define VERTEXDELEGATE_H
  25
  26 #include <QItemDelegate>
  27 #include <QTableWidgetItem>
  28
  29 //Thanks to jpnurmi from qt@irc.freenode.net for this class ;)
  30 class TriStateTableWidgetItem : public QTableWidgetItem
  31 {
  32 public:
  33   TriStateTableWidgetItem() : QTableWidgetItem()
  34   {
  35     QTableWidgetItem::setCheckState(Qt::Checked);
  36     setData(Qt::CheckStateRole,Qt::Checked);
  37   }
  38   void setData(int role, const QVariant& value)
  39   {
  40     QVariant tmp = value;
  41     if (role == Qt::CheckStateRole)
  42     {
  43       if (data(role) == Qt::Unchecked && value == Qt::Checked)
  44         tmp = Qt::PartiallyChecked;
  45       else if (data(role) == Qt::PartiallyChecked && value == Qt::Checked)
  46         tmp = Qt::Checked;
  47       else
  48         tmp = Qt::Unchecked;
  49     }
  50     QTableWidgetItem::setData(role, tmp);
  51   }
  52   void setCheckState(Qt::CheckState S){
  53     QTableWidgetItem::setData(Qt::CheckStateRole, S);
  54   }
  55 };
  56
  57 /// Creates a combobox for use in a table
  58 class VertexDelegate : public QItemDelegate
  59 {
  60     Q_OBJECT
  61
  62 public:
  63     VertexDelegate(int Column, QList<QString> list, QObject *parent = 0);
  64
  65     void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
  66     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
  67     void setEditorData(QWidget *editor, const QModelIndex &index) const;
  68     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
  69
  70 private slots:
  71     void commitAndCloseEditor();
  72
  73 private:
  74     QList<QString> list;
  75     int Column;
  76 };
  77
  78 #endif