mirror of https://github.com/JakubMelka/PDF4QT.git
168 lines
5.4 KiB
C++
168 lines
5.4 KiB
C++
// Copyright (C) 2021 Jakub Melka
|
|
//
|
|
// This file is part of PDF4QT.
|
|
//
|
|
// PDF4QT is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// with the written consent of the copyright owner, any later version.
|
|
//
|
|
// PDF4QT 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#include "differencesdockwidget.h"
|
|
#include "ui_differencesdockwidget.h"
|
|
|
|
#include "pdfdiff.h"
|
|
#include "pdfwidgetutils.h"
|
|
|
|
#include <QTreeWidgetItem>
|
|
|
|
namespace pdfdocdiff
|
|
{
|
|
|
|
DifferenceItemDelegate::DifferenceItemDelegate(QObject* parent) :
|
|
BaseClass(parent)
|
|
{
|
|
|
|
}
|
|
|
|
void DifferenceItemDelegate::paint(QPainter* painter,
|
|
const QStyleOptionViewItem& option,
|
|
const QModelIndex& index) const
|
|
{
|
|
BaseClass::paint(painter, option, index);
|
|
}
|
|
|
|
QSize DifferenceItemDelegate::sizeHint(const QStyleOptionViewItem& option,
|
|
const QModelIndex& index) const
|
|
{
|
|
if (!option.rect.isValid())
|
|
{
|
|
// Jakub Melka: Why this? We need to use text wrapping. Unfortunately,
|
|
// standard delegate needs correct text rectangle (at least rectangle width),
|
|
// for word wrap calculation. So we must manually calculate rectangle width.
|
|
// Of course, we cant use visualRect of the tree widget, because of cyclical
|
|
// dependence.
|
|
QStyleOptionViewItem adjustedOption = option;
|
|
const QTreeWidget* treeWidget = qobject_cast<const QTreeWidget*>(option.widget);
|
|
int xOffset = treeWidget->columnViewportPosition(index.column());
|
|
int height = option.fontMetrics.lineSpacing();
|
|
int yOffset = 0;
|
|
int width = treeWidget->columnWidth(index.column());
|
|
|
|
int level = treeWidget->rootIsDecorated() ? 1 : 0;
|
|
QModelIndex currentIndex = index.parent();
|
|
while (currentIndex.isValid())
|
|
{
|
|
++level;
|
|
currentIndex = currentIndex.parent();
|
|
}
|
|
|
|
xOffset += level * treeWidget->indentation();
|
|
adjustedOption.rect = QRect(xOffset, yOffset, width - xOffset, height);
|
|
return BaseClass::sizeHint(adjustedOption, index);
|
|
}
|
|
|
|
return BaseClass::sizeHint(option, index);
|
|
}
|
|
|
|
DifferencesDockWidget::DifferencesDockWidget(QWidget *parent) :
|
|
QDockWidget(parent),
|
|
ui(new Ui::DifferencesDockWidget),
|
|
m_diffResult(nullptr),
|
|
m_diffNavigator(nullptr)
|
|
{
|
|
ui->setupUi(this);
|
|
|
|
ui->differencesTreeWidget->setItemDelegate(new DifferenceItemDelegate(this));
|
|
|
|
setMinimumWidth(pdf::PDFWidgetUtils::scaleDPI_x(this, 120));
|
|
}
|
|
|
|
DifferencesDockWidget::~DifferencesDockWidget()
|
|
{
|
|
delete ui;
|
|
}
|
|
|
|
void DifferencesDockWidget::update()
|
|
{
|
|
ui->differencesTreeWidget->clear();
|
|
|
|
QList<QTreeWidgetItem*> topItems;
|
|
|
|
QLocale locale;
|
|
|
|
if (m_diffResult && !m_diffResult->isSame())
|
|
{
|
|
const size_t differenceCount = m_diffResult->getDifferencesCount();
|
|
|
|
pdf::PDFInteger lastLeftPageIndex = -1;
|
|
pdf::PDFInteger lastRightPageIndex = -1;
|
|
|
|
for (size_t i = 0; i < differenceCount; ++i)
|
|
{
|
|
pdf::PDFInteger pageIndexLeft = m_diffResult->getLeftPage(i);
|
|
pdf::PDFInteger pageIndexRight = m_diffResult->getRightPage(i);
|
|
|
|
if (lastLeftPageIndex != pageIndexLeft ||
|
|
lastRightPageIndex != pageIndexRight ||
|
|
topItems.empty())
|
|
{
|
|
// Create new top level item
|
|
QStringList captionParts;
|
|
captionParts << QString("#%1:").arg(topItems.size() + 1);
|
|
|
|
if (pageIndexLeft == pageIndexRight)
|
|
{
|
|
captionParts << tr("Page %1").arg(locale.toString(pageIndexLeft + 1));
|
|
}
|
|
else
|
|
{
|
|
if (pageIndexLeft != -1)
|
|
{
|
|
captionParts << tr("Left %1").arg(locale.toString(pageIndexLeft + 1));
|
|
}
|
|
|
|
if (pageIndexRight != -1)
|
|
{
|
|
captionParts << tr("Right %1").arg(locale.toString(pageIndexRight + 1));
|
|
}
|
|
}
|
|
|
|
QTreeWidgetItem* item = new QTreeWidgetItem(QStringList() << captionParts.join(" "));
|
|
topItems << item;
|
|
|
|
lastLeftPageIndex = pageIndexLeft;
|
|
lastRightPageIndex = pageIndexRight;
|
|
}
|
|
|
|
Q_ASSERT(!topItems.isEmpty());
|
|
QTreeWidgetItem* parent = topItems.back();
|
|
|
|
QTreeWidgetItem* item = new QTreeWidgetItem(parent, QStringList() << m_diffResult->getMessage(i));
|
|
item->setData(0, Qt::UserRole, i);
|
|
}
|
|
}
|
|
|
|
ui->differencesTreeWidget->addTopLevelItems(topItems);
|
|
ui->differencesTreeWidget->expandAll();
|
|
}
|
|
|
|
void DifferencesDockWidget::setDiffResult(pdf::PDFDiffResult* diffResult)
|
|
{
|
|
m_diffResult = diffResult;
|
|
}
|
|
|
|
void DifferencesDockWidget::setDiffNavigator(pdf::PDFDiffResultNavigator* diffNavigator)
|
|
{
|
|
m_diffNavigator = diffNavigator;
|
|
}
|
|
|
|
} // namespace pdfdocdiff
|