#include "DialogSaveFile.h"
#include "ui_dialogsavefile.h"
#include <QDir>
#include <QStringListModel>
#include <SysPara.h>
#include <QAbstractItemView>
#include <QFile>
#include <QTextStream>
#include <QMessageBox>
#include <Public.h>
#include<QStandardItemModel>
#include <QTextCodec>
#include <QByteArray>
#include <QDebug>

DialogSaveFile::DialogSaveFile(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::DialogSaveFile)
{
    ui->setupUi(this);
    this->setWindowTitle(tr("保存"));
    ui->textEditView->setReadOnly(true);
    ui->textEditView->setLineWrapMode(QTextEdit::NoWrap);
    ui->textEditView->document()->setDocumentMargin(0);
    this->setFixedSize(this->geometry().width(),this->geometry().height());
    EditMode=4;

    ui->textEditView->hide();
    ui->label->hide();
    ui->pushButtonLast->hide();
    ui->pushButtonNext->hide();

}

void DialogSaveFile::refreshListView(int mode){

	QString dirPath = ui->radioButtonLocal->isChecked()?DOC_ROOT_DIR:UDISK_DOC_ROOT_DIR;
	QDir dir(dirPath);
	QStringList filters;
        EditMode = mode;
        if(mode == TXTFILE)    filters << "*.html" << "*.txt" << "*.TXT" << "*.jpeg" << "*.gif" << "*.jpg" <<  "*.bmp"<<  "*.BMP";  // txtmode
        else if(mode == PICFILE)    filters << "*.png";// <<"*.jpg" ;  // picmode
        else if(mode == SCENE)    filters << "*.xml";// scene mode
        else if(mode == 4) filters << "*.png" << "*.jpg" << "*.jpeg" <<  "*.bmp" <<  "*.BMP" << "*.gif"; 
        else  filters << "*.html" << "*.bmp" <<  "*.BMP" <<"*.jpg"<<"*.gif";
        dir.setNameFilters(filters);
	dir.setFilter(QDir::Files);

	QStringListModel *model = new QStringListModel(dir.entryList());

	ui->listViewFile->setEditTriggers(QAbstractItemView::NoEditTriggers);
	ui->listViewFile->setModel(model);        //useList是个QListView
	int count = ui->listViewFile->model()->rowCount();
	if(count){
		QModelIndex index = ui->listViewFile->model()->index(0 , 0);
		ui->listViewFile->setCurrentIndex(index);
        on_listViewFile_entered(index);
	}

}


DialogSaveFile::~DialogSaveFile()
{
    delete ui;
}

void DialogSaveFile::on_listViewFile_entered(const QModelIndex &index)
{
    QString dirPath = ui->radioButtonLocal->isChecked()?DOC_ROOT_DIR:UDISK_DOC_ROOT_DIR;

    QString filePath = dirPath  + index.data().toString();

    if(filePath.endsWith(".gif") || filePath.endsWith(".jpeg") || filePath.endsWith(".jpg") ||
                filePath.endsWith(".png") || filePath.endsWith(".bmp")|| filePath.endsWith(".BMP")|| filePath.endsWith(".nda")){
    	ui->textEditView->clear();
    	ui->textEditView->setHtml(QString("<img src='%1'/>").arg(filePath));
    }
    else {
    	QFile file(filePath);
        if (!file.open(QFile::ReadOnly))
            return ;
        QByteArray data = file.readAll();
        QTextCodec *codec = Qt::codecForHtml(data);
        QString str = codec->toUnicode(data);
        if (Qt::mightBeRichText(str)) {
        	if(!ui->radioButtonLocal->isChecked())
        		str.replace(DOC_ROOT_DIR,UDISK_DOC_ROOT_DIR);			//必须替换相应的路径
        	ui->textEditView->setHtml(str);
        } else {
            str = QString::fromLocal8Bit(data);
            ui->textEditView->setPlainText(str);
        }
    }

    ui->lineEdit->setText( QFileInfo(ui->listViewFile->currentIndex().data().toString()).baseName() );

}
void DialogSaveFile::on_listViewFile_clicked(const QModelIndex &index)
{
	on_listViewFile_entered(index);
}

void DialogSaveFile::on_pushButtonNext_pressed()
{
    QModelIndex currIndex = ui->listViewFile->currentIndex();
    int count = ui->listViewFile->model()->rowCount();
    if(count){
        QModelIndex index = ui->listViewFile->model()->index((currIndex.row() + 1)%count, 0);
        ui->listViewFile->setCurrentIndex(index);
        on_listViewFile_entered(index);
    }
    ui->lineEdit->setText(QFileInfo(ui->listViewFile->currentIndex().data().toString()).baseName());
}

void DialogSaveFile::on_pushButtonLast_pressed()
{
    QModelIndex currIndex = ui->listViewFile->currentIndex();
    int count = ui->listViewFile->model()->rowCount();
    if(count){
        QModelIndex index = ui->listViewFile->model()->index(currIndex.row() == 0?(count - 1):(currIndex.row() - 1), 0);
        ui->listViewFile->setCurrentIndex(index);
        on_listViewFile_entered(index);
    }
    ui->lineEdit->setText(QFileInfo(ui->listViewFile->currentIndex().data().toString()).baseName());
}

void DialogSaveFile::on_pushButtonExit_pressed()
{
    hide();
}
//void DialogSaveFile::on_lostfocuse_pressed()
//{
//    hide();
//}
void DialogSaveFile::on_pushButtonSave_clicked()
{
    QModelIndex index = ui->listViewFile->currentIndex();
    QString dirPath = ui->radioButtonLocal->isChecked()?DOC_ROOT_DIR:UDISK_DOC_ROOT_DIR;
    //QString filePath = dirPath  + index.data().toString();
    QString filePath = dirPath  + ui->lineEdit->text();// index.data().toString();

    emit saveFile(filePath,false);

    emit returnMainWidget(20);
    hide();
}

void DialogSaveFile::on_radioButtonLocal_released()
{
    refreshListView(EditMode);
}

void DialogSaveFile::on_radioButtonUdisk_released()
{

	QDir dir(UDISK_DOC_ROOT_DIR);
	if(!dir.exists()){
                QMessageBox::warning(0,tr("警告"),tr("U盘未插入或U盘根目录下的doc文件夹不存在!"));
	}
    refreshListView(EditMode);
}
void DialogSaveFile::setEnterFileName(QString strFile)
{
   ui->lineEdit->setText(strFile);
   //ui->lineEdit->setFocus();
}
void DialogSaveFile::setTitleTxt(QString str)
{
    setWindowTitle(str);
}