comboboxdelegate.cpp

#include "comboboxdelegate.h"
#include <QComboBox>

ComboBoxDelegate::ComboBoxDelegate(QObject *parent):QStyledItemDelegate(parent)
{

}

void ComboBoxDelegate::setItems(QStringList items, bool isEdit)
{
    m_ItemList=items;
    m_isEdit=isEdit;
}

void ComboBoxDelegate::setType(int type)
{
    this->type = type;
}

QWidget *ComboBoxDelegate::createEditor(QWidget *parent,
       const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    Q_UNUSED(option);
    Q_UNUSED(index);

    QComboBox *editor = new QComboBox(parent);
    for (int i=0;i<m_ItemList.count();i++)   //从字符串列表初始下拉列表
        editor->addItem(m_ItemList.at(i));

    editor->setEditable(m_isEdit); //是否可编辑
    return editor;
}

void ComboBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
    QString str = index.model()->data(index, Qt::EditRole).toString();

    QComboBox *comboBox = static_cast<QComboBox*>(editor);
    comboBox->setCurrentText(str);
}

void ComboBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
    QComboBox *comboBox = static_cast<QComboBox*>(editor);
    QString result;
    if (type == 0)
        result = comboBox->currentIndex();
    else
        result = comboBox->currentText();
    model->setData(index, result, Qt::EditRole);
}

void ComboBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    Q_UNUSED(index);
    editor->setGeometry(option.rect);
}