ts/TransmitterSwitch/Template/savetotemplate.cpp

#include "savetotemplate.h"
#include "ui_savetotemplate.h"

#include <QStyle>
#include <QFile>
#include <QPainter>
#include <QMouseEvent>

#include "LHQLogAPI.h"
#include "OneShadowEffect.h"

SaveToTemplate::SaveToTemplate(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::SaveToTemplate)
{
    ui->setupUi(this);

    /* 设置隐藏边框 */
    this->setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);
    /* 设置底层样式表 */
    this->setAttribute(Qt::WA_TranslucentBackground);

    /* 创建阴影，这里大小使用最外面的大小减去阴影宽度 */
    QSize size = this->size();
    size.setWidth(size.width() - 32);
    size.setHeight(size.height() - 32);
    // m_shadow = new OneShadow(size, 16);
    auto pShadow = new OneShadowEffect(this);
    this->setGraphicsEffect(pShadow);

    /* 设置提示文本 */
    // ui->lineEdit->setPlaceholderText("请输入模版名称");
    m_placeHolder = "请输入模版名称";
    m_placeHolderColor = QColor("#B1B3B4");

    m_list.clear();

    ui->label_warn->hide();

    /* 限制字数类型 */
    ui->lineEdit->setMaxLength(15);

    connect(ui->pBtn_close,SIGNAL(clicked()),this,SLOT(close()));
    connect(ui->pBtn_cancel,SIGNAL(clicked()),this,SLOT(close()));
    connect(ui->pBtn_ok,SIGNAL(clicked()),this,SLOT(do_ok()));

    /* 注册事件过滤器 */
    ui->pBtn_close->installEventFilter(this);
    ui->lineEdit->installEventFilter(this);
}

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


/* 传入计划项是否为空 */
void SaveToTemplate::setItemEmpty(bool flag)
{
    m_itemEmpty = flag;
}


/* 传入所有的模板名称，会进行判断，只传入相同类型的模板名称 */
void SaveToTemplate::setTemplateList(QList<OneTemplateInfo>& list)
{
    m_list = list;
    // for(auto begin = m_templateNameList.begin(), end = m_templateNameList.end(); begin != end; ++begin)
    // {
    //     LH_WRITE_LOG_DEBUG(QString("模板名称:%1, 类型:%2").arg(begin.key()).arg(begin.value()));
    // }
}


/* 获取模板名称 */
QString SaveToTemplate::getTemplateName()
{
    return m_templateName;
}

/* 设置QSS */
void SaveToTemplate::setQSS(QString qssPath)
{
    QString qssFile = qssPath + "/savetotemplate.qss";
    QFile file(qssFile);
    if(file.open(QIODevice::ReadOnly))
    {
        QString stylesheet = file.readAll();
        this->setStyleSheet(stylesheet);
        file.close();
    } else
    {
        LH_WRITE_ERROR(QString("打开文件失败:%1").arg(file.fileName()));
    }
}

void SaveToTemplate::do_ok()
{
    m_isOk = false;
    m_templateName.clear();
    ui->label_warn->hide();
    setWarning(false);
    /* 检查这一页的项是否为空，不用再这里检查了，在外面检查完成了 */
    // if(m_itemEmpty)
    // {
    //     ui->label_warn->setText("当前页没有计划项!");
    //     ui->label_warn->show();
    //     setWarning(true);
    //     return;
    // }

    /* 检查名称是否是空的 */
    m_templateName = ui->lineEdit->text();
    if(m_templateName.isEmpty())
    {
        ui->label_warn->setText("请输入模版名称!");
        ui->label_warn->show();
        setWarning(true);
        return;
    }
    /* 检查模板名称是否重复 */
    bool flag = false;
    for(auto begin = m_list.begin(), end = m_list.end(); begin != end; ++begin)
    {
        if(begin->templateName == m_templateName)
        {
            flag = true;
            break;
        }
    }

    if(flag)
    {
        ui->label_warn->setText("模版名称重复!");
        ui->label_warn->show();
        setWarning(true);
        return;
    }

    m_isOk = true;
    emit signal_templateName(m_templateName);
    this->close();
}

/* 设置报警 */
void SaveToTemplate::setWarning(bool flag)
{
    if(flag)
    {
        ui->lineEdit->setProperty("Warn", true);
    }else
    {
        ui->lineEdit->setProperty("Warn", false);
    }

    ui->lineEdit->style()->unpolish(ui->lineEdit);
    ui->lineEdit->style()->polish(ui->lineEdit);
}


/* 绘画事件 */
// void SaveToTemplate::paintEvent(QPaintEvent *event)
// {
//     QPainter painter(this);
//     painter.setRenderHint(QPainter::Antialiasing);
//     /* 绘制占位符 */

// }


bool SaveToTemplate::eventFilter(QObject *watched, QEvent *event)
{
    if(watched == ui->pBtn_close)
    {
        if(event->type() == QEvent::Enter)
        {
            ui->pBtn_close->setProperty("Hover", true);
            ui->pBtn_close->style()->unpolish(ui->pBtn_close);
            ui->pBtn_close->style()->polish(ui->pBtn_close);

            return true;
        }else if(event->type() == QEvent::Leave)
        {
            ui->pBtn_close->setProperty("Hover", false);
            ui->pBtn_close->style()->unpolish(ui->pBtn_close);
            ui->pBtn_close->style()->polish(ui->pBtn_close);

            return true;
        }
    }
    else if(watched == ui->lineEdit)
    {
        /* 绘画事件 */
        if(event->type() == QEvent::Paint)
        {
            if(!m_isInputing && ui->lineEdit->text().isEmpty())
            {
                // LH_WRITE_LOG("绘制占位符");
                /* 设置一输入文本占位符就消失 */
                QPainter painter(ui->lineEdit);
                painter.setRenderHint(QPainter::Antialiasing);
                /* 获取占位符距离左边的距离 */
                int left = ui->lineEdit->style()->pixelMetric(QStyle::PM_LayoutLeftMargin, nullptr, ui->lineEdit);
                QRect rect = ui->lineEdit->rect();
                rect.setLeft(left + 6);
                /* 获取占位符字体和颜色 */
                QFont font = ui->lineEdit->font();
                painter.setFont(font);
                QPalette palette = ui->lineEdit->palette();
                painter.setPen(m_placeHolderColor);
                /* 绘制占位符 */
                painter.drawText(rect, Qt::AlignLeft | Qt::AlignVCenter, m_placeHolder);
            }
            // m_isInputing = false;
        }
        else if (event->type() == QEvent::InputMethod)
        {
            QInputMethodEvent *inputEvent = static_cast<QInputMethodEvent *>(event);
            if (!inputEvent->preeditString().isEmpty())
            {
                // 输入法正在输入
                m_isInputing = true;
                // LH_WRITE_LOG("输入法正在输入");
            }
            else
            {
                // 输入法结束输入
                m_isInputing = false;
                // LH_WRITE_LOG("输入法结束输入");
            }
            ui->lineEdit->update(); // 更新界面
        }
        
    }
    return QWidget::eventFilter(watched,event);
}


/* 鼠标点击事件 */
void SaveToTemplate::mousePressEvent(QMouseEvent *event)
{
    m_lastPos = event->globalPos();
    event->accept();
}

/* 鼠标移动事件 */
void SaveToTemplate::mouseMoveEvent(QMouseEvent *event)
{
    // QRect rect = this->geometry();
    // rect.setBottom(rect.top()+50);
    auto point = ui->widget_Top->mapToGlobal(QPoint(0, 0));
    QRect rect(point, ui->widget_Top->size());
    if(!rect.contains(m_lastPos))
    {
        event->accept();
        return;
    }

    int dx = event->globalX() - m_lastPos.x();
    int dy = event->globalY() - m_lastPos.y();
    move(x()+dx, y()+dy);
    m_lastPos = event->globalPos();
    event->accept();
}

/* 鼠标释放事件 */
void SaveToTemplate::mouseReleaseEvent(QMouseEvent *event)
{
    event->accept();
}