qwcomboboxdelegate.cpp

#include "qwcomboboxdelegate.hpp"

#include <QComboBox>

QWComboBoxDelegate::QWComboBoxDelegate(QObject* parent) : QStyledItemDelegate(parent) {}

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

QWidget* QWComboBoxDelegate::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 QWComboBoxDelegate::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 QWComboBoxDelegate::setModelData(QWidget* editor, QAbstractItemModel* model,
                                      const QModelIndex& index) const {
    QComboBox* comboBox = static_cast< QComboBox* >(editor);
    QString str         = comboBox->currentText();
    model->setData(index, str, Qt::EditRole);
}

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