#include "ZkEdit.h"
#include "ui_zkedit.h"
#include "SysPara.h"
#include <QMessageBox>
#include <QDebug>
#include <QSpinBox>

ZkEdit::ZkEdit(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::ZkEdit)
{
    ui->setupUi(this);
    fileDialog = 0;
    openedFileName = "";
    newFileAppending = false;
    connect(ui->widgetPic,SIGNAL(picWidgetModify(int ,int )),this,SLOT(enableSaveButton(int ,int )));
    connect(ui->checkBoxPicExpand,SIGNAL(clicked(bool)),this,SLOT(oncheckboxExpandClicked(bool)));
    connect(ui->checkBoxTrimPic,SIGNAL(clicked(bool)),this,SLOT(oncheckboxTrimPicClicked(bool)));
    ui->pushButtonSave->setEnabled(false);
    forcePicWidgetSize = false;
#ifdef MYSAVEFILEDLG
    dialogSaveFile =new DialogSaveFile(0);
#endif

    connect(ui->spinBoxHeightPoint, QOverload<int>::of(&QSpinBox::valueChanged), this, &ZkEdit::onSizeSpinBoxChanged);
    connect(ui->spinBoxWidthPoint, QOverload<int>::of(&QSpinBox::valueChanged), this, &ZkEdit::onSizeSpinBoxChanged);
}

ZkEdit::~ZkEdit()
{
    delete ui;
#ifdef MYSAVEFILEDLG
    if(dialogSaveFile) delete dialogSaveFile;
#endif
    if(fileDialog)
    	delete fileDialog;

}

void ZkEdit::onSizeSpinBoxChanged(int) 
{
    // TODO:: 可能需要响应大小更改
}

void ZkEdit::oncheckboxExpandClicked(bool)
{
    ui->checkBoxTrimPic->setCheckState(Qt::Unchecked);
}

void ZkEdit::oncheckboxTrimPicClicked(bool)
{
    ui->checkBoxPicExpand->setCheckState(Qt::Unchecked);
}

void ZkEdit::on_closeBtn_clicked()
{
    hide();
}

void ZkEdit::showEvent(QShowEvent *e)
{
    ui->spinBoxHeightPoint->setValue(12);
    ui->spinBoxWidthPoint->setValue(12);

    ui->widgetPic->initWidget(ui->spinBoxWidthPoint->value(),ui->spinBoxHeightPoint->value());
    openedFileName = "";
    ui->labelFileName->clear();
    ui->labelScaleLeval->setText(tr("放大倍数:%1").arg(ui->widgetPic->getScaleValue()));

    QWidget::showEvent(e);
}

void ZkEdit::checkNewFileAppending(){
    if(newFileAppending){
        ui->widgetPic->initWidget(ui->spinBoxWidthPoint->value(),ui->spinBoxHeightPoint->value());
        openedFileName = "";
    }
    newFileAppending = false;
}

void ZkEdit::onSave_File_reject(){
    checkNewFileAppending();
}

bool ZkEdit::maybeSave(){
    if(!ui->widgetPic->isModified())
        return true;

    QMessageBox msgBox(QMessageBox::Information,tr("提示"),tr("图片已经改变，是否保存?"));
    QPushButton *saveButton = msgBox.addButton(tr("保存"), QMessageBox::ActionRole);
    QPushButton *cancleSaveButton = msgBox.addButton(tr("放弃保存"), QMessageBox::ActionRole);
    QPushButton *abortButton = msgBox.addButton(QMessageBox::Cancel);

    msgBox.exec();

    if (msgBox.clickedButton() == saveButton) {
        newFileAppending = true;
        on_pushButtonSave_clicked();
        return false;
    } else if (msgBox.clickedButton() == cancleSaveButton) {
    	return true;
    }
    else
        return false;

    return true;
}

void ZkEdit::on_pushButtonNew_pressed(){
    if(maybeSave()){
        ui->widgetPic->initWidget(ui->spinBoxWidthPoint->value(),ui->spinBoxHeightPoint->value());
        openedFileName = "";
    }
}

void ZkEdit::enableSaveButton(int w,int h){
    ui->pushButtonSave->setEnabled(true);
    ui->spinBoxHeightPoint->setValue(h);
    ui->spinBoxWidthPoint->setValue(w);
}

void ZkEdit::on_pushButtonEnlarge_pressed()
{
    ui->widgetPic->enlargeDisplay();
    ui->labelScaleLeval->setText(tr("放大倍数:%1").arg(ui->widgetPic->getScaleValue()));
}

void ZkEdit::on_pushButtonReduce_pressed()
{
    ui->widgetPic->reduceDisplay();
    ui->labelScaleLeval->setText(tr("放大倍数:%1").arg(ui->widgetPic->getScaleValue()));
}

void ZkEdit::on_pushButtonUp_pressed()
{
    //ui->widgetPic->currPositionMove(0,-1);
    ui->widgetPic->currPositionMove(0,-1,0,ui->checkBoxTrimPic->isChecked(),ui->checkBoxPicExpand->isChecked());
}

void ZkEdit::on_pushButtonLeft_pressed()
{
    //ui->widgetPic->currPositionMove(-1,0);
    ui->widgetPic->currPositionMove(-1,0,0,ui->checkBoxTrimPic->isChecked(),ui->checkBoxPicExpand->isChecked());
}

void ZkEdit::on_pushButtonEnsure_pressed()
{
    ui->widgetPic->ensureCurrPos();
}

void ZkEdit::on_pushButtonRight_pressed()
{
    //ui->widgetPic->currPositionMove(1,0);
    ui->widgetPic->currPositionMove(1,0,0,ui->checkBoxTrimPic->isChecked(),ui->checkBoxPicExpand->isChecked());
}

void ZkEdit::on_pushButtonDown_pressed()
{
    //ui->widgetPic->currPositionMove(0,1);
    ui->widgetPic->currPositionMove(0,1,0,ui->checkBoxTrimPic->isChecked(),ui->checkBoxPicExpand->isChecked());
}

void ZkEdit::on_pushButtonSaveAs_clicked()
{
#ifdef MYSAVEFILEDLG
    disconnect(dialogSaveFile,SIGNAL(saveFile(QString,bool)),0,0);
    connect(dialogSaveFile,SIGNAL(saveFile(QString,bool)),this,SLOT(onSaveASFile(QString,bool)));
    dialogSaveFile->setTitleTxt(tr("图片另存为..."));
    dialogSaveFile->refreshListView(4);   // 在文件保存框中显示目录中的图像文件
    dialogSaveFile->setEnterFileName("");
    dialogSaveFile->show();
#else
    if(fileDialog)
        delete fileDialog;
    fileDialog = new MyFileDialog(0);
    disconnect(fileDialog,SIGNAL(accepted()),0,0);
    connect(fileDialog,SIGNAL(accepted()),this,SLOT(onSaveAS_FIle_select()));
    fileDialog->showFileDialog(tr("另存为"),QString(DOC_ROOT_DIR),QString("Picture files (*.jpg )"));
#endif

}
void ZkEdit::onSaveASFile(QString fileName,bool Flag){// use for dialogSaveFile class
    // filename= fileName  ;
    if(  !fileName.endsWith(".jpg",Qt::CaseInsensitive) )
        fileName = QFileInfo(fileName).baseName()+ ".jpg";

    ui->widgetPic->saveImage(fileName);
    ui->pushButtonSave->setEnabled(false);
    openedFileName = fileName;
    ui->labelFileName->setText(fileName);

    checkNewFileAppending();

}

void ZkEdit::onSaveAS_FIle_select(){
	QStringList	files = fileDialog->selectedFiles();
	for(int i = 0;i < files.size(); i++){
		QString fileName = files[i];
                if(  //            !fileName.endsWith(".gif",Qt::CaseInsensitive)
                                //&& !fileName.endsWith(".jpeg",Qt::CaseInsensitive)
                               // &&
                     !fileName.endsWith(".jpg",Qt::CaseInsensitive)
                                //&& !fileName.endsWith(".png",Qt::CaseInsensitive)
                                //&& !fileName.endsWith(".bmp",Qt::CaseInsensitive)
                        )
                    fileName += ".jpg";

        ui->widgetPic->saveImage(fileName);
        ui->pushButtonSave->setEnabled(false);
        openedFileName = fileName;
        ui->labelFileName->setText(fileName);
	}
    checkNewFileAppending();
}

void ZkEdit::on_pushButtonOpen_clicked()
{
    forcePicWidgetSize = false;
	if(fileDialog)
		delete fileDialog;
	fileDialog = new MyFileDialog(0);
    disconnect(fileDialog,SIGNAL(accepted()),0,0);
    connect(fileDialog,SIGNAL(accepted()),this,SLOT(onOpenFIle_select()));
    fileDialog->showFileDialog(tr("打开文件"),QString(DOC_ROOT_DIR),
              QString("Picture files ( *.jpeg  *.bmp *.gif *.png *jpg)"));
}


void ZkEdit::onOpenFIle_select(){
    QStringList	files = fileDialog->selectedFiles();
	for(int i = 0;i < files.size(); i++){
        QString fileName = files.value(i);
        ui->widgetPic->loadImage(fileName,forcePicWidgetSize);
        openedFileName = fileName;
        ui->labelFileName->setText(fileName);
        ui->labelScaleLeval->setText(tr("放大倍数:%1").arg(ui->widgetPic->getScaleValue()));
        ui->spinBoxHeightPoint->setValue(ui->widgetPic->getHeight());
        ui->spinBoxWidthPoint->setValue(ui->widgetPic->getWidth());
	}
}

void ZkEdit::on_pushButtonSave_clicked()
{
    if(!openedFileName.isEmpty()){
        ui->widgetPic->saveImage(openedFileName);
        ui->pushButtonSave->setEnabled(false);
    }
    else {
        #ifdef MYSAVEFILEDLG
            disconnect(dialogSaveFile,SIGNAL(saveFile(QString,bool)),0,0);
            connect(dialogSaveFile,SIGNAL(saveFile(QString,bool)),this,SLOT(onSaveASFile(QString,bool)));
            dialogSaveFile->setTitleTxt(tr("图片保存为..."));
            dialogSaveFile->refreshListView(4);
            dialogSaveFile->setEnterFileName("");
            dialogSaveFile->show();
        #else
                if(fileDialog)
                    delete fileDialog;
                fileDialog = new MyFileDialog(0);
                disconnect(fileDialog,SIGNAL(accepted()),0,0);
                connect(fileDialog,SIGNAL(rejected()),this,SLOT(onSave_File_reject()));
                connect(fileDialog,SIGNAL(accepted()),this,SLOT(onSaveAS_FIle_select()));
                fileDialog->showFileDialog(tr("保存"),QString(DOC_ROOT_DIR),QString("Picture files (  *.jpg )"));
        #endif
    }
}

void ZkEdit::on_pushButtonImport_clicked()
{
    forcePicWidgetSize = true;
	if(fileDialog)
		delete fileDialog;
	fileDialog = new MyFileDialog(0);
    disconnect(fileDialog,SIGNAL(accepted()),0,0);
    connect(fileDialog,SIGNAL(accepted()),this,SLOT(onOpenFIle_select()));
    fileDialog->showFileDialog(tr("导入文件"),QString(DOC_ROOT_DIR),QString("Picture files (*.png  *.jpeg *.jpg *.gif  *.bmp)"));
}

void ZkEdit::keyPressEvent(QKeyEvent *e)
{
    switch(e->key())
    {
    case Qt::Key_Return:on_pushButtonEnsure_pressed();break;
    case Qt::Key_Up: on_pushButtonUp_pressed();break;
    case Qt::Key_Left: on_pushButtonLeft_pressed();break;
    case Qt::Key_Right:on_pushButtonRight_pressed();break;
    case Qt::Key_Down:on_pushButtonDown_pressed();break;
    default: break;
    }
}