#include "JListWidget.h"

JListWidget::JListWidget(QWidget* parent /*= nullptr*/)
    : QListWidget(parent)
{
    setDragDropMode(QAbstractItemView::InternalMove);
    setSelectionMode(QAbstractItemView::SingleSelection);
    setAcceptDrops(true);

    setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
    setStyleSheet(
        "QListWidget { background: #e6e6ed; border: 1px solid #ccc; }"
        "QListWidget::item { border-bottom: 1px solid #ddd; }"
        "QListWidget::item:hover { background: #e0e0ff; }"
        "QListWidget::item {"
        "border-bottom: 1px solid blue;"
        "padding: 5px;" 
        "}"
        "QListWidget::item:last {"
        "    border-bottom: none;"  
        "}"
    );
}

void JListWidget::dragEnterEvent(QDragEnterEvent* event)
{
    if (event->mimeData()->hasFormat("application/x-qabstractitemmodeldatalist"))
    {
        event->acceptProposedAction();
    }
    else
    {
        event->ignore();
    }
}

void JListWidget::dropEvent(QDropEvent* event)
{
    if (event->mimeData()->hasFormat("application/x-qabstractitemmodeldatalist"))
    {
        QListWidget::dropEvent(event); // 调用默认的 dropEvent 来处理排序
        event->acceptProposedAction();

        // 发信号通知其他列表更新
        emit itemsReordered();
    }
    else
    {
        event->ignore();
    }
}