qgsdecorationlayoutextentdialog.cpp

/***************************************************************************
                          qgsdecorationlayoutextentdialog.cpp
                              ----------------------------
    begin                : May 2017
    copyright            : (C) 2017 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com

 ***************************************************************************/
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "qgsdecorationlayoutextentdialog.h"

#include "qgsdecorationlayoutextent.h"

#include "qgslogger.h"
#include "qgshelp.h"
#include "qgsstyle.h"
#include "qgssymbol.h"
#include "qgssymbolselectordialog.h"
#include "qgisapp.h"
#include "qgsguiutils.h"
#include "qgssettings.h"
#include "qgstextformatwidget.h"

QgsDecorationLayoutExtentDialog::QgsDecorationLayoutExtentDialog( QgsDecorationLayoutExtent &deco, QWidget *parent )
  : QDialog( parent )
  , mDeco( deco )
{
  setupUi( this );

  QgsSettings settings;
  restoreGeometry( settings.value( "/Windows/DecorationLayoutExtent/geometry" ).toByteArray() );

  connect( mCheckBoxLabelExtents, &QCheckBox::toggled, mButtonFontStyle, &QPushButton::setEnabled );
  mCheckBoxLabelExtents->setChecked( false );
  mButtonFontStyle->setEnabled( false );

  updateGuiElements();
  connect( buttonBox->button( QDialogButtonBox::Apply ), &QAbstractButton::clicked, this, &QgsDecorationLayoutExtentDialog::apply );
  connect( mSymbolButton, &QPushButton::clicked, this, &QgsDecorationLayoutExtentDialog::changeSymbol );
  connect( mButtonFontStyle, &QPushButton::clicked, this, &QgsDecorationLayoutExtentDialog::changeFont );

}

void QgsDecorationLayoutExtentDialog::updateGuiElements()
{
  grpEnable->setChecked( mDeco.enabled() );

  if ( mDeco.symbol() )
  {
    mSymbol.reset( static_cast<QgsFillSymbol *>( mDeco.symbol()->clone() ) );
    QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mSymbol.get(), mSymbolButton->iconSize() );
    mSymbolButton->setIcon( icon );
  }
  mTextFormat = mDeco.textFormat();
  mCheckBoxLabelExtents->setChecked( mDeco.labelExtents() );
}

void QgsDecorationLayoutExtentDialog::updateDecoFromGui()
{
  mDeco.setEnabled( grpEnable->isChecked() );

  if ( mSymbol )
  {
    mDeco.setSymbol( mSymbol->clone() );
  }
  mDeco.setTextFormat( mTextFormat );
  mDeco.setLabelExtents( mCheckBoxLabelExtents->isChecked() );
}

QgsDecorationLayoutExtentDialog::~QgsDecorationLayoutExtentDialog()
{
  QgsSettings settings;
  settings.setValue( QStringLiteral( "/Windows/DecorationLayoutExtent/geometry" ), saveGeometry() );
}

void QgsDecorationLayoutExtentDialog::on_buttonBox_accepted()
{
  apply();
  accept();
}

void QgsDecorationLayoutExtentDialog::apply()
{
  updateDecoFromGui();
  mDeco.update();
}

void QgsDecorationLayoutExtentDialog::on_buttonBox_rejected()
{
  reject();
}

void QgsDecorationLayoutExtentDialog::changeSymbol()
{
  if ( !mSymbol )
    return;

  QgsFillSymbol *symbol = mSymbol->clone();
  QgsSymbolSelectorDialog dlg( symbol, QgsStyle::defaultStyle(), nullptr, this );
  if ( dlg.exec() == QDialog::Rejected )
  {
    delete symbol;
  }
  else
  {
    mSymbol.reset( symbol );
    if ( mSymbol )
    {
      QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mSymbol.get(), mSymbolButton->iconSize() );
      mSymbolButton->setIcon( icon );
    }
  }
}

void QgsDecorationLayoutExtentDialog::changeFont()
{
  QgsTextFormatDialog dlg( mTextFormat, QgisApp::instance()->mapCanvas(), this );
  if ( dlg.exec() )
    mTextFormat = dlg.format();
}