recvtextedit.cpp

#include "recvtextedit.h"
#include <QDate>
#include "emoji.h"
#include <QMouseEvent>

RecvTextEdit::RecvTextEdit(QWidget *parent)
    :QTextEdit(parent)
{
    setTextInteractionFlags(Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
}

void RecvTextEdit::mousePressEvent(QMouseEvent *e)
{
    mPressedAnchor =  (e->button() & Qt::LeftButton) ? anchorAt(e->pos()) : "";
    QTextEdit::mousePressEvent(e);
}

void RecvTextEdit::mouseReleaseEvent(QMouseEvent *e)
{
    if (e->button() & Qt::LeftButton)
    {
        if (anchorAt(e->pos()) == mPressedAnchor && !mPressedAnchor.isEmpty())
            parseLink(mPressedAnchor);
    }
    QTextEdit::mouseReleaseEvent(e);
}

void RecvTextEdit::addFellowContent(const Content *content, long long msSinceEpoch)
{
    addContent(content, msSinceEpoch, false);
}

void RecvTextEdit::addMyContent(const Content *content, long long msSinceEpoch)
{
    addContent(content, msSinceEpoch, true);
}

void RecvTextEdit::addContent(const Content *content, long long msSinceEpoch, bool mySelf)
{
    drawDaySeperatorIfNewDay(msSinceEpoch);

    showHint(msSinceEpoch, mySelf);

    showContent(content, mySelf);
    append("\n");
    moveCursor(QTextCursor::End);
}

void RecvTextEdit::showHint(long long msSinceEpoch, bool mySelf)
{
    QString name("");
    QString color("black");
    if (mySelf)
    {
        name = "&#25105;";
        color = "blue";
    }
    else
    {
        name = mFellow == nullptr ? "&#21311;&#21517;" : mFellow->getName().c_str();
        color = "green";
    }

    QString hint = "<font color="+color+">"+ name+" "+timeStr(msSinceEpoch)+"</font>";

    moveCursor(QTextCursor::End);
    insertHtml(hint);
    append("");
}

void RecvTextEdit::setCurFellow(const Fellow *fellow)
{
    if (mFellow)
        mDocs[mFellow] = document()->clone();//document&#23558;&#34987;&#28165;&#38500;&#25110;&#21024;&#38500;&#20102;&#65292;&#38656;clone

    auto it = mDocs.find(fellow);
    if (it != mDocs.end())
    {
        setDocument((*it).second);
        moveCursor(QTextCursor::End);
    }
    else
    {
        clear();
    }

    mFellow = fellow;
}

void RecvTextEdit::addWarning(const QString &warning)
{
    auto align = alignment();
    setAlignment(Qt::AlignCenter);
    auto color = textColor();
    setTextColor(QColor(128,128,128));
    append(warning);
    append("");//&#32467;&#26463;&#24403;&#21069;&#27573;&#33853;&#65292;&#21542;&#21017;&#19979;&#19968;&#34892;&#24674;&#22797;&#23545;&#40784;&#26041;&#24335;&#26102;&#20250;&#23558;&#21018;append&#30340;&#20869;&#23481;&#24038;&#23545;&#40784;
    setAlignment(align);
    setTextColor(color);
}

const Fellow *RecvTextEdit::curFellow()
{
    return mFellow;
}

void RecvTextEdit::parseLink(const QString &link)
{
    QStringList parts = link.split("_");
    if (parts.count()<3)
        return;

    auto packetNo = parts.at(0).toLongLong();
    auto fileId = parts.at(1).toLongLong();
    bool upload = parts.at(2) == "up";

    emit navigateToFileTask(packetNo, fileId, upload);
}

QString RecvTextEdit::timeStr(long long msSinceEpoch)
{
    QDateTime time;
    time.setMSecsSinceEpoch(msSinceEpoch);
    return time.toString("MM-dd HH:mm:ss");
}

void RecvTextEdit::showContent(const Content *content, bool mySelf)
{
    switch (content->type())
    {
    case ContentType::File:
        showFile(static_cast<const FileContent*>(content), mySelf);
        break;
    case ContentType::Knock:
        showKnock(static_cast<const KnockContent*>(content), mySelf);
        break;
    case ContentType::Image:
        showImage(static_cast<const ImageContent*>(content));
        break;
    case ContentType::Text:
        showText(static_cast<const TextContent*>(content));
        break;
    default:
        showUnSupport();
        break;
    }
}

void RecvTextEdit::showFile(const FileContent *content, bool fromMySelf)
{
    if (content->fileType == IPMSG_FILE_REGULAR)
    {
        stringstream ss;
        ss<<"<a href="<<content->packetNo<<"_"<<content->fileId<<"_"<<(fromMySelf?"up":"down")<<">"
         <<content->filename<<"("<<content->size<<")"
        <<"</a>";
        insertHtml(ss.str().c_str());
    }
    else
    {
        showUnSupport("&#23545;&#26041;&#21457;&#26469;&#38750;&#26222;&#36890;&#25991;&#20214;&#65288;&#21487;&#33021;&#26159;&#25991;&#20214;&#22841;&#65289;&#65292;&#25910;&#19981;&#26469;&hellip;&hellip;");
    }
}

void RecvTextEdit::showImage(const ImageContent *content)
{
    showUnSupport("&#23545;&#26041;&#21457;&#26469;&#22270;&#29255;&#65292;&#26469;&#22270;&#29255;&#65292;&#22270;&#29255;&#65292;&#29255;&hellip;&hellip;&#39069;~&#36824;&#19981;&#25903;&#25345;!");
}

void RecvTextEdit::showText(const TextContent *content)
{
    insertHtml(textHtmlStr(content));
}

void RecvTextEdit::showKnock(const KnockContent *content, bool mySelf)
{
    if (mySelf)
        insertHtml("[&#21457;&#36865;&#20102;&#19968;&#20010;&#31383;&#21475;&#25238;&#21160;]");
    else
        insertHtml("[&#21457;&#26469;&#31383;&#21475;&#25238;&#21160;]");
}

void RecvTextEdit::showUnSupport(const QString& text)
{
    QString t = text;
    if (t.isEmpty())
        t = "&#23545;&#26041;&#21457;&#26469;&#23578;&#26410;&#25903;&#25345;&#30340;&#20869;&#23481;&#65292;&#26080;&#27861;&#26174;&#31034;";

    insertHtml("<font color=\"red\">"+t+"</font>");
}

void RecvTextEdit::drawDaySeperatorIfNewDay(long long sinceEpoch)
{
    QDateTime cur;
    cur.setMSecsSinceEpoch(sinceEpoch);

    if (mLastEdit > 0)
    {
        QDateTime last;
        last.setMSecsSinceEpoch(mLastEdit);

        if (last.daysTo(cur)>0)
        {
            addWarning("-----------------------------");
        }
    }

    mLastEdit = sinceEpoch;
}

QString RecvTextEdit::textHtmlStr(const TextContent *content)
{
    auto str = QString(content->text.c_str());
    auto htmlStr = str.toHtmlEscaped();
    htmlStr.replace("\r\n", "<br>");
    htmlStr.replace("\r", "<br>");
    htmlStr.replace("\n", "<br>");

    for (auto i = 0; i < EMOJI_LEN; i++)
    {
         auto resName = QString(":/default/res/face/")+QString::number(i+1)+".gif";
         auto emojiStr = QString(g_emojis[i]).toHtmlEscaped();
         QString imgTag = "<img src=\""+resName+"\"/>";
         htmlStr.replace(emojiStr, imgTag);
    }

    return htmlStr;
}