#include "T_Icon.h"

#include <QApplication>
#include <QClipboard>
#include <QHeaderView>
#include <QStandardItemModel>
#include <QVBoxLayout>

#include "ElaLineEdit.h"
#include "ElaListView.h"
#include "ElaMessageBar.h"
#include "T_IconDelegate.h"
#include "T_IconModel.h"
T_Icon::T_Icon(QWidget* parent)
    : T_BasePage(parent)
{
    // 预览窗口标题
    setWindowTitle("ElaIcon");
    // 顶部元素
    createCustomWidget("一堆常用图标被放置于此，左键单击以复制其枚举");

    _metaEnum = QMetaEnum::fromType<ElaIconType::IconName>();
    QWidget* centralWidget = new QWidget(this);
    QVBoxLayout* centerVLayout = new QVBoxLayout(centralWidget);
    centerVLayout->setContentsMargins(0, 0, 5, 0);
    centralWidget->setWindowTitle("ElaIcon");
    // ListView
    _iconView = new ElaListView(this);
    _iconView->setIsTransparent(true);
    _iconView->setFlow(QListView::LeftToRight);
    _iconView->setViewMode(QListView::IconMode);
    _iconView->setResizeMode(QListView::Adjust);
    connect(_iconView, &ElaListView::clicked, this, [=](const QModelIndex& index) {
        QString iconName = _iconModel->getIconNameFromModelIndex(index);
        if (iconName.isEmpty())
        {
            return;
        }
        qApp->clipboard()->setText(iconName);
        ElaMessageBar::success(ElaMessageBarType::Top, "复制完成", iconName + "已被复制到剪贴板", 1000, this);
    });
    _iconModel = new T_IconModel(this);
    _iconDelegate = new T_IconDelegate(this);
    _iconView->setModel(_iconModel);
    _iconView->setItemDelegate(_iconDelegate);
    _iconView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    _searchEdit = new ElaLineEdit(this);
    _searchEdit->setPlaceholderText("搜索图标");
    _searchEdit->setFixedSize(300, 35);
    connect(_searchEdit, &ElaLineEdit::textEdited, this, &T_Icon::onSearchEditTextEdit);
    connect(_searchEdit, &ElaLineEdit::focusIn, this, &T_Icon::onSearchEditTextEdit);

    centerVLayout->addSpacing(13);
    centerVLayout->addWidget(_searchEdit);
    centerVLayout->addWidget(_iconView);
    this->addCentralWidget(centralWidget, true, true, 0);
}

T_Icon::~T_Icon()
{
}

void T_Icon::onSearchEditTextEdit(const QString& searchText)
{
    if (searchText.isEmpty())
    {
        _iconModel->setIsSearchMode(false);
        _iconModel->setSearchKeyList(QStringList());
        _iconView->clearSelection();
        _iconView->viewport()->update();
        return;
    }
    QStringList searchKeyList;
    for (int i = 1; i < _metaEnum.keyCount(); i++)
    {
        QString key = QString(_metaEnum.key(i));
        if (key.contains(searchText, Qt::CaseInsensitive))
        {
            searchKeyList.append(key);
        }
    }
    _iconModel->setSearchKeyList(searchKeyList);
    _iconModel->setIsSearchMode(true);
    _iconView->clearSelection();
    _iconView->scrollTo(_iconModel->index(0, 0));
    _iconView->viewport()->update();
}