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/*
* CodeQuery
* Copyright (C) 2013-2017 ruben2020 https://github.com/ruben2020/
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#include "ui_graphDialog.h"
#include "graphdialog.h"
#include "showgraph.h"
cqDialogGraph::cqDialogGraph(QWidget *parent)
:QDialog(parent)
,dialog_ui(new Ui::DialogGraph)
,m_scaleFactor(5.0)
{
dialog_ui->setupUi(this);
connect(dialog_ui->pushButtonClose, SIGNAL(clicked()),
this, SLOT(accept()));
connect(dialog_ui->pushButtonZoomOut, SIGNAL(clicked()),
this, SLOT(zoomout()));
connect(dialog_ui->pushButtonZoomIn, SIGNAL(clicked()),
this, SLOT(zoomin()));
connect(dialog_ui->pushButtonSave, SIGNAL(clicked()),
this, SLOT(savetoimagefile()));
connect(dialog_ui->pushButtonSaveDot, SIGNAL(clicked()),
this, SLOT(savetodotfile()));
connect(dialog_ui->comboBoxNbrOfLevels, SIGNAL(currentIndexChanged(int)),
this, SLOT(numberOfLevelsChanged(int)));
}
cqDialogGraph::~cqDialogGraph()
{
disconnect();
delete dialog_ui;
}
void cqDialogGraph::setupGraphFromXML(QStringList& grpxml, QStringList& grpdot, QString& desc)
{
m_grpxml = grpxml;
m_grpdot = grpdot;
m_img = showgraph::convertToImage(grpxml[0]);
dialog_ui->labelGraph->setPixmap(QPixmap::fromImage(m_img));
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
dialog_ui->labelGraph->setMask(dialog_ui->labelGraph->pixmap(Qt::ReturnByValue).mask());
#else
dialog_ui->labelGraph->setMask(dialog_ui->labelGraph->pixmap()->mask());
#endif
if (desc.length() > 0) dialog_ui->labelDesc->setText(desc);
for (unsigned int i=0; i < grpxml.size(); i++) dialog_ui->comboBoxNbrOfLevels->addItem(QString::number(i+1));
dialog_ui->comboBoxNbrOfLevels->setCurrentIndex(0);
show();
adjustScrollBar(dialog_ui->scrollArea->horizontalScrollBar(), m_scaleFactor/5);
adjustScrollBar(dialog_ui->scrollArea->verticalScrollBar(), m_scaleFactor/5);
}
void cqDialogGraph::numberOfLevelsChanged(int num)
{
m_img = showgraph::convertToImage(m_grpxml[dialog_ui->comboBoxNbrOfLevels->currentIndex()]);
dialog_ui->labelGraph->setPixmap(QPixmap::fromImage(m_img));
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
dialog_ui->labelGraph->setMask(dialog_ui->labelGraph->pixmap(Qt::ReturnByValue).mask());
#else
dialog_ui->labelGraph->setMask(dialog_ui->labelGraph->pixmap()->mask());
#endif
adjustScrollBar(dialog_ui->scrollArea->horizontalScrollBar(), m_scaleFactor/5);
adjustScrollBar(dialog_ui->scrollArea->verticalScrollBar(), m_scaleFactor/5);
}
void cqDialogGraph::zoomout()
{
scaleImage(-1);
}
void cqDialogGraph::zoomin()
{
scaleImage(1);
}
void cqDialogGraph::savetoimagefile()
{
QString filetype = tr("Images");
filetype += " (*.png *.jpg *.bmp *.tiff)";
QString fileName =
QFileDialog::getSaveFileName( this, tr("Export Image"),
QDir::currentPath(),
filetype);
if (fileName.isEmpty()) return;
QMessageBox msgBox(this);
msgBox.setIcon(QMessageBox::Warning);
msgBox.setStandardButtons(QMessageBox::Ok);
QImageWriter writer( fileName);
if ((writer.canWrite() && writer.write(m_img)) == false)
{
msgBox.setText(tr("File could not be saved!"));
msgBox.exec();
}
}
void cqDialogGraph::savetodotfile()
{
QString fileName =
QFileDialog::getSaveFileName( this, tr("Export DOT file"),
QDir::currentPath(),
"Graphviz DOT (*.dot)");
if (fileName.isEmpty()) return;
QFile outfile(fileName);
QMessageBox msgBox(this);
msgBox.setIcon(QMessageBox::Warning);
msgBox.setStandardButtons(QMessageBox::Ok);
if (outfile.open(QIODevice::WriteOnly | QIODevice::Text) == false)
{
msgBox.setText(tr("File could not be saved!"));
msgBox.exec();
return;
}
QTextStream out(&outfile);
out << m_grpdot[dialog_ui->comboBoxNbrOfLevels->currentIndex()];
outfile.close();
}
void cqDialogGraph::scaleImage(double factor)
{
QPixmap p = QPixmap::fromImage(m_img);
m_scaleFactor += factor;
m_scaleFactor = (m_scaleFactor < 1.0) ? 1.0 : m_scaleFactor;
dialog_ui->labelGraph->setPixmap(p.scaled((m_scaleFactor/5) * p.size(), Qt::KeepAspectRatio));
adjustScrollBar(dialog_ui->scrollArea->horizontalScrollBar(), m_scaleFactor/5);
adjustScrollBar(dialog_ui->scrollArea->verticalScrollBar(), m_scaleFactor/5);
}
void cqDialogGraph::adjustScrollBar(QScrollBar *scrollBar, double factor)
{
int minim = scrollBar->minimum();
scrollBar->setValue((scrollBar->maximum() - minim)/2 + minim);
}
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