attributedelegate.cpp

   1 #include <QtGui>
   2
   3 #include "attributedelegate.h"
   4 #include <iostream>
   5
   6 using namespace::std;
   7
   8 AttributeDelegate::AttributeDelegate(QObject *parent)
   9     : QItemDelegate(parent)
  10 {
  11 }
  12
  13 QWidget *AttributeDelegate::createEditor(QWidget *parent,
  14     const QStyleOptionViewItem &/* option */,
  15     const QModelIndex & index ) const
  16 {
  17     int col=index.column();
  18     int row=index.row();
  19
  20     if (col==0 && row==index.model()->rowCount() -1 )
  21     {
  22         //We are editing a new attribute, starting with attribute name
  23         QComboBox *editor = new QComboBox(parent);
  24         editor->insertItems (0,attributeTable->getKeys());
  25         return editor;
  26     }
  27     if (col==1 && row==index.model()->rowCount() -1 )
  28     {
  29         qDebug()<< "Edit value now...";
  30         //We are editing a new attribute, starting with attribute name
  31         QComboBox *editor = new QComboBox(parent);
  32         editor->insertItems (0,attributeTable->getKeys());
  33         return editor;
  34
  35     }
  36
  37     // Is there already an atttribute defined or
  38     // do we need to create a new one?
  39
  40     QVariant var=index.model()->data(index.model()->index(row,2,QModelIndex()));
  41     QString typeName=var.toString();
  42     qDebug()<< "AttrDel::createEditor type="<<qPrintable (typeName);
  43
  44     if (typeName=="IntList")
  45     {
  46         QSpinBox *editor = new QSpinBox(parent);
  47         editor->setMinimum(0);
  48         editor->setMaximum(5);
  49         return editor;
  50     } else if (typeName=="FreeInt")
  51     {
  52         QSpinBox *editor = new QSpinBox(parent);
  53         editor->setMinimum(0);
  54         editor->setMaximum(100);
  55         return editor;
  56     } else if (typeName=="FreeString")
  57     {
  58         QComboBox *editor = new QComboBox(parent);
  59         return editor;
  60     } else if (typeName=="StringList")
  61     {
  62         QComboBox *editor = new QComboBox(parent);
  63         return editor;
  64     }
  65
  66     return NULL;
  67 }
  68
  69 void AttributeDelegate::setEditorData(QWidget *editor,
  70                                     const QModelIndex &index) const
  71 {
  72     QVariant value= index.model()->data(index, Qt::DisplayRole);
  73     switch (value.type())
  74     {
  75         case QVariant::Int:
  76         {
  77             int value = index.model()->data(index, Qt::DisplayRole).toInt();
  78             QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
  79             spinBox->setValue(value);
  80             break;
  81         }
  82         /*
  83         {
  84             QString value = index.model()->data(index, Qt::DisplayRole).toString();
  85             QLineEdit *le= static_cast<QLineEdit*>(editor);
  86             le->setText(value);
  87             break;
  88         }
  89         */
  90         case QVariant::String:
  91         {
  92             QComboBox *cb= static_cast<QComboBox*>(editor);
  93             QStringList sl;
  94             sl<< index.model()->data(index, Qt::DisplayRole).toString();
  95             cb->insertStringList (sl);
  96             break;
  97         }
  98         default:
  99             break;
 100     }
 101 }
 102
 103 void AttributeDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
 104                                    const QModelIndex &index) const
 105 {
 106     QVariant value= index.model()->data(index, Qt::DisplayRole);
 107     switch (value.type())
 108     {
 109         case QVariant::Int:
 110         {
 111             QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
 112             spinBox->interpretText();
 113             model->setData(index, spinBox->value(), Qt::EditRole);
 114             break;
 115         }
 116         case QVariant::String:
 117         {
 118             QComboBox *cb = static_cast<QComboBox*>(editor);
 119             model->setData(index, cb->currentText(), Qt::EditRole);
 120             break;
 121         }
 122         default:
 123             break;
 124     }
 125
 126 }
 127
 128 void AttributeDelegate::updateEditorGeometry(QWidget *editor,
 129     const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
 130 {
 131     editor->setGeometry(option.rect);
 132 }
 133
 134 void AttributeDelegate::setAttributeTable (AttributeTable *table)
 135 {
 136     attributeTable=table;
 137 }
 138