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#include "RecordEditor.h"
#include <QtDebug>
const float RecordEditor::EditorWidthIncrease = 1.5;
RecordEditor::RecordEditor(QWidget* parent, const QRect& cellRect) :
QTextEdit(parent), cellRect(cellRect),
enabledSizeUpdates(true)
{
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect( this, SIGNAL(textChanged()), SLOT(updateEditor()) );
}
void RecordEditor::startDrawing()
{
clear();
enabledSizeUpdates = false;
}
void RecordEditor::endDrawing()
{
enabledSizeUpdates = true;
updateEditor();
}
void RecordEditor::drawText(const QString& text)
{
textCursor().insertText(text);
}
void RecordEditor::drawImage(const QString& filePath)
{
QTextImageFormat format;
format.setVerticalAlignment(QTextCharFormat::AlignBaseline);
format.setName(filePath);
format.setHeight(ThumbnailSize);
textCursor().insertImage(format);
}
void RecordEditor::insertImage(int cursorPos, const QString& filePath)
{
moveCursor(cursorPos);
drawImage(filePath);
}
void RecordEditor::moveCursor(int cursorPos)
{
QTextCursor cursor = textCursor();
cursor.setPosition(cursorPos);
setTextCursor(cursor);
}
QString RecordEditor::getText() const
{
QString text;
QTextBlock block = document()->begin();
while(block.isValid())
{
for(QTextBlock::iterator it = block.begin(); !it.atEnd(); it++)
{
QTextCharFormat format = it.fragment().charFormat();
if(format.isImageFormat())
text += QString("<img src=\"") + format.toImageFormat().name() + "\">";
else
text += it.fragment().text();
}
block = block.next();
}
return text;
}
QSize RecordEditor::sizeHint() const
{
int width = getEditorWidth();
return QSize(width, getEditorHeight());
}
int RecordEditor::getEditorWidth() const
{
int horMargins = contentsMargins().left() * 2;
int textWidth = cellRect.width() - horMargins;
document()->setTextWidth(textWidth);
if(textWrapped() && textWidth < MinWidth)
{
textWidth = MinWidth;
document()->setTextWidth(textWidth);
}
return textWidth + horMargins;
}
bool RecordEditor::textWrapped() const
{
return document()->size().height() > cellRect.height();
}
int RecordEditor::getEditorHeight() const
{
return document()->size().height() + contentsMargins().top() * 2;
}
void RecordEditor::updateEditor()
{
if(!enabledSizeUpdates)
return;
adjustSize();
updatePos();
}
void RecordEditor::updatePos()
{
QRect editorRect = cellRect;
editorRect.setSize(size());
QSize viewportSize = qobject_cast<QWidget*>(parent())->size();
if(editorRect.right() > viewportSize.width())
editorRect.moveRight(viewportSize.width());
if(editorRect.bottom() > viewportSize.height())
editorRect.moveBottom(viewportSize.height());
move(editorRect.topLeft());
}
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