#include "QFileList.h"
#include <QDir>
#include <QDesktopServices>
#include <qurl.h>
QFileList::QFileList(QWidget *parent)
	: QDockWidget(parent)
{
	ui.setupUi(this);
	this->setWindowTitle(_S("文件列表"));

	m_pFileModel = new QStandardItemModel(0, 1, ui.m_treeViewFiles);

	ui.m_treeViewFiles->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);  //设置上下文菜单测量
	ui.m_treeViewFiles->setHeaderHidden(true);
	ui.m_treeViewFiles->setModel(m_pFileModel);

	ui.m_treeViewFiles->setAlternatingRowColors(true);


	// 双击事件
	connect(ui.m_treeViewFiles, &QTreeView::doubleClicked, this, &QFileList::OnDoubleClicked);


	// 更新路径
	connect(ui.lineEdit, &QLineEdit::textChanged, this, &QFileList::DisplayFileList);
	
	// 调用系统打开文件夹
	connect(ui.pushButton, &QPushButton::clicked, this, &QFileList::OnOpenDirWithSys);
}

QFileList::~QFileList()
{
}

void QFileList::OnOpenDirWithSys()
{
	QDesktopServices::openUrl(QUrl::fromLocalFile(m_CurrentPath));
}



void QFileList::DisplayFileList(QString path)
{

	QDir varDir(path);
	if (!varDir.exists())
	{
		return;
	}
	varDir.setFilter(QDir::Files | QDir::Hidden | QDir::NoSymLinks);
	QFileInfoList varList = varDir.entryInfoList();
    m_vecFileList.clear();
	foreach(QFileInfo varInfo, varList)
	{
		m_vecFileList.push_back(varInfo.fileName());
	}
	// 过滤文件，保留符合标准的文件
	int nPos = 0;
	foreach(QString str, m_vecFileList)
	{
		//str.toLower();
        QString es = "raw$|xraw$|rawx$|GD$|avi$|mp4$|yuv|MP4|AVI";//by wcw04046
		nPos = str.indexOf(QRegExp(es), 0);
		if (-1 == nPos)
		{
			m_vecFileList.removeOne(str);
		}
	}

	// 将文件显示到文件列表
	int nIndex = 0;

	int cnt = m_pFileModel->rowCount();

	m_pFileModel->removeRows(0, cnt);
	foreach(QString str, m_vecFileList)
	{
		m_pFileModel->insertRow(nIndex);
		m_pFileModel->setData(m_pFileModel->index(nIndex, 0), str);

		nIndex++;
	}

	ui.m_treeViewFiles->resizeColumnToContents(0);
	ui.m_treeViewFiles->setAlternatingRowColors(false);//by wcw04046 关闭行交替背景，方便区分选中
	ui.m_treeViewFiles->setEditTriggers(QAbstractItemView::NoEditTriggers);//关闭编辑


	m_CurrentPath = path;  //将当前路径设置为打开路径

	ui.lineEdit->setText(path);
}

QString QFileList::GetSelectedFilePath()
{
	//QString strSelectedFileName = QString(tr(""));
	//if (m_varSelectedModelIndex.row() >= 0
	//	&& m_varSelectedModelIndex.row() < m_vecFileList_Other.size())
	//{

	//}
	return m_pFileModel->data(m_varSelectedModelIndex).toString();
}

QString QFileList::GetCurrentDir()
{
	return m_CurrentPath;
}



void	QFileList::OnDoubleClicked(const QModelIndex& index)
{
	m_varSelectedModelIndex = index;
	QDir varDir(m_CurrentPath);
	if (m_varSelectedModelIndex.isValid())
	{
		QString fileFullPath = varDir.absoluteFilePath(GetSelectedFilePath());
		emit(playSelectFile(fileFullPath));

		qDebug() << fileFullPath;
	}

}