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#include <QtGui>

#include <QtSvg>

#include "window.h"

#include "svgtextobject.h"

Window::Window()

{

    setupGui();

    setupTextObject();

    setWindowTitle("Text Object Example");

}

//![1]

void Window::insertTextObject()

{

    QString fileName = fileNameLineEdit->text();

    QFile file(fileName);

    if (!file.open(QIODevice::ReadOnly)) {

        QMessageBox::warning(this, tr("Error Opening File"),

                             tr("Could not open '%1'").arg(fileName));

    }

    QByteArray svgData = file.readAll();

//![1]

//![2]

    QTextCharFormat svgCharFormat;

    svgCharFormat.setObjectType(SvgTextFormat);

    QSvgRenderer renderer(svgData);

    QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32);

    QPainter painter(&svgBufferImage);

    renderer.render(&painter, svgBufferImage.rect());

    svgCharFormat.setProperty(SvgData, svgBufferImage);

    QTextCursor cursor = textEdit->textCursor();

    cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat);

    textEdit->setTextCursor(cursor);

}

//![2]

//![3]

void Window::setupTextObject()

{

    QObject *svgInterface = new SvgTextObject;

    textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface);

}

//![3]

void Window::setupGui()

{

    fileNameLabel = new QLabel(tr("Svg File Name:"));

    fileNameLineEdit = new QLineEdit;

    insertTextObjectButton = new QPushButton(tr("Insert Image"));

    fileNameLineEdit->setText("./files/heart.svg");

    connect(insertTextObjectButton, SIGNAL(clicked()),

            this, SLOT(insertTextObject()));

    QHBoxLayout *bottomLayout = new QHBoxLayout;

    bottomLayout->addWidget(fileNameLabel);

    bottomLayout->addWidget(fileNameLineEdit);

    bottomLayout->addWidget(insertTextObjectButton);

    textEdit = new QTextEdit;

    QVBoxLayout *mainLayout = new QVBoxLayout;

    mainLayout->addWidget(textEdit);

    mainLayout->addLayout(bottomLayout);

    setLayout(mainLayout);

}