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/* This file is part of the KDE project
* Copyright (C) 2011 Brijesh Patel <brijesh3105@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoTextLayoutNoteArea.h"
#include "FrameIterator.h"
#include "KoStyleManager.h"
#include "KoParagraphStyle.h"
#include "KoTextLayoutObstruction.h"
#include "KoPointedAt.h"
#include <KoOdfNumberDefinition.h>
#include <KoInlineNote.h>
#include <KoTextDocument.h>
#include <QPainter>
#define OVERLAPPREVENTION 1000
class Q_DECL_HIDDEN KoTextLayoutNoteArea::Private
{
public:
Private()
{
}
KoInlineNote *note;
QTextLayout *textLayout;
QTextLayout *postLayout;
qreal labelIndent;
bool isContinuedArea;
qreal labelWidth;
qreal labelHeight;
qreal labelYOffset;
};
KoTextLayoutNoteArea::KoTextLayoutNoteArea(KoInlineNote *note, KoTextLayoutArea *parent, KoTextDocumentLayout *documentLayout)
: KoTextLayoutArea(parent, documentLayout)
, d(new Private)
{
Q_ASSERT(note);
Q_ASSERT(parent);
d->note = note;
d->isContinuedArea = false;
d->postLayout = 0;
}
KoTextLayoutNoteArea::~KoTextLayoutNoteArea()
{
delete d;
}
void KoTextLayoutNoteArea::paint(QPainter *painter, const KoTextDocumentLayout::PaintContext &context)
{
painter->save();
if (d->isContinuedArea) {
painter->translate(0, -OVERLAPPREVENTION);
}
KoTextLayoutArea::paint(painter, context);
if (d->postLayout) {
d->postLayout->draw(painter, QPointF(left() + d->labelIndent, top() + d->labelYOffset));
}
d->textLayout->draw(painter, QPointF(left() + d->labelIndent, top() + d->labelYOffset));
painter->restore();
}
bool KoTextLayoutNoteArea::layout(FrameIterator *cursor)
{
KoOdfNotesConfiguration *notesConfig = 0;
if (d->note->type() == KoInlineNote::Footnote) {
notesConfig = KoTextDocument(d->note->textFrame()->document()).styleManager()->notesConfiguration(KoOdfNotesConfiguration::Footnote);
} else if (d->note->type() == KoInlineNote::Endnote) {
notesConfig = KoTextDocument(d->note->textFrame()->document()).styleManager()->notesConfiguration(KoOdfNotesConfiguration::Endnote);
}
QString label;
if (d->isContinuedArea) {
if (! notesConfig->footnoteContinuationBackward().isEmpty()) {
label = notesConfig->footnoteContinuationBackward() + " " + d->note->label();
}
setReferenceRect(left(), right(), top() + OVERLAPPREVENTION
, maximumAllowedBottom() + OVERLAPPREVENTION);
} else {
label = d->note->label();
}
label.prepend(notesConfig->numberFormat().prefix());
label.append(notesConfig->numberFormat().suffix());
QPaintDevice *pd = documentLayout()->paintDevice();
QTextBlock block = cursor->it.currentBlock();
QTextCharFormat format = block.charFormat();
KoCharacterStyle *style = static_cast<KoCharacterStyle *>(notesConfig->citationTextStyle());
if (style) {
style->applyStyle(format);
}
QFont font(format.font(), pd);
d->textLayout = new QTextLayout(label, font, pd);
QList<QTextLayout::FormatRange> layouts;
QTextLayout::FormatRange range;
range.start = 0;
range.length = label.length();
range.format = format;
layouts.append(range);
d->textLayout->setAdditionalFormats(layouts);
QTextOption option(Qt::AlignLeft | Qt::AlignAbsolute);
d->textLayout->setTextOption(option);
d->textLayout->beginLayout();
QTextLine line = d->textLayout->createLine();
d->textLayout->endLayout();
KoParagraphStyle pStyle(block.blockFormat(), QTextCharFormat());
d->labelIndent = textIndent(d->note->textFrame()->begin().currentBlock(), 0, pStyle);
if (line.naturalTextWidth() > -d->labelIndent) {
KoTextLayoutArea::setExtraTextIndent(line.naturalTextWidth());
} else {
KoTextLayoutArea::setExtraTextIndent(-d->labelIndent);
}
d->labelIndent += pStyle.leftMargin();
d->labelWidth = line.naturalTextWidth();
d->labelHeight = line.naturalTextRect().bottom() - line.naturalTextRect().top();
d->labelYOffset = -line.ascent();
bool contNotNeeded = KoTextLayoutArea::layout(cursor);
d->labelYOffset += block.layout()->lineAt(0).ascent();
if (!contNotNeeded) {
QString contNote = notesConfig->footnoteContinuationForward();
font.setBold(true);
d->postLayout = new QTextLayout(contNote, font, pd);
QList<QTextLayout::FormatRange> contTextLayouts;
QTextLayout::FormatRange contTextRange;
contTextRange.start = 0;
contTextRange.length = contNote.length();
contTextRange.format = block.charFormat();;
contTextLayouts.append(contTextRange);
d->postLayout->setAdditionalFormats(contTextLayouts);
QTextOption contTextOption(Qt::AlignLeft | Qt::AlignAbsolute);
//option.setTextDirection();
d->postLayout->setTextOption(contTextOption);
d->postLayout->beginLayout();
QTextLine contTextLine = d->postLayout->createLine();
d->postLayout->endLayout();
contTextLine.setPosition(QPointF(right() - contTextLine.naturalTextWidth(), bottom() - contTextLine.height()));
documentLayout()->setContinuationObstruction(new
KoTextLayoutObstruction(contTextLine.naturalTextRect(), false));
}
return contNotNeeded;
}
void KoTextLayoutNoteArea::setAsContinuedArea(bool isContinuedArea)
{
d->isContinuedArea = isContinuedArea;
}
KoPointedAt KoTextLayoutNoteArea::hitTest(const QPointF &p, Qt::HitTestAccuracy accuracy) const
{
KoPointedAt pointedAt;
pointedAt.noteReference = -1;
QPointF tmpP(p.x(), p.y() + (d->isContinuedArea ? OVERLAPPREVENTION : 0));
pointedAt = KoTextLayoutArea::hitTest(tmpP, accuracy);
if (tmpP.x() > left() && tmpP.x() < d->labelWidth && tmpP.y() < top() + d->labelYOffset + d->labelHeight)
{
pointedAt.noteReference = d->note->getPosInDocument();
pointedAt.position = tmpP.x();
}
return pointedAt;
}
QRectF KoTextLayoutNoteArea::selectionBoundingBox(QTextCursor &cursor) const
{
return KoTextLayoutArea::selectionBoundingBox(cursor).translated(0
, d->isContinuedArea ? -OVERLAPPREVENTION : 0);
}
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