149 lines
3.9 KiB
C++
149 lines
3.9 KiB
C++
/** -*- mode: c++ ; c-basic-offset: 2 -*-
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*
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* @file FolderParameter.cpp
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*
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* Copyright 2017 Sebastien Fourey
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*
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* This file is part of G'MIC-Qt, a generic plug-in for raster graphics
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* editors, offering hundreds of filters thanks to the underlying G'MIC
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* image processing framework.
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*
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* gmic_qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gmic_qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gmic_qt. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "FilterParameters/FolderParameter.h"
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#include <QDebug>
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#include <QFileDialog>
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#include <QFileInfo>
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#include <QFontMetrics>
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#include <QGridLayout>
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#include <QLabel>
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#include <QPushButton>
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#include <QRegularExpression>
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#include <QWidget>
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#include "Common.h"
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#include "FilterTextTranslator.h"
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#include "HtmlTranslator.h"
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#include "IconLoader.h"
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#include "Settings.h"
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namespace GmicQt
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{
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FolderParameter::FolderParameter(QObject * parent) : AbstractParameter(parent), _label(nullptr), _button(nullptr) {}
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FolderParameter::~FolderParameter()
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{
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delete _label;
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delete _button;
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}
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int FolderParameter::size() const
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{
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return 1;
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}
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bool FolderParameter::addTo(QWidget * widget, int row)
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{
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_grid = dynamic_cast<QGridLayout *>(widget->layout());
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Q_ASSERT_X(_grid, __PRETTY_FUNCTION__, "No grid layout in widget");
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_row = row;
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delete _label;
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delete _button;
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_button = new QPushButton(widget);
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_button->setIcon(IconLoader::load("folder"));
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_grid->addWidget(_label = new QLabel(_name, widget), row, 0, 1, 1);
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setTextSelectable(_label);
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_grid->addWidget(_button, row, 1, 1, 2);
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setValue(_value);
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connect(_button, &QPushButton::clicked, this, &FolderParameter::onButtonPressed);
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return true;
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}
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QString FolderParameter::value() const
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{
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return _value;
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}
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QString FolderParameter::defaultValue() const
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{
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return _default;
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}
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void FolderParameter::setValue(const QString & value)
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{
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_value = value;
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if (_value.isEmpty()) {
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_value = Settings::FolderParameterDefaultValue;
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} else if (!QFileInfo(_value).isDir()) {
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_value = QDir::homePath();
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}
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QDir dir(_value);
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QDir abs(dir.absolutePath());
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if (_button) {
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int width = _button->contentsRect().width() - 10;
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QFontMetrics fm(_button->font());
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_button->setText(fm.elidedText(abs.dirName(), Qt::ElideRight, width));
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}
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}
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void FolderParameter::reset()
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{
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setValue(_default);
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}
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bool FolderParameter::initFromText(const QString & filterName, const char * text, int & textLength)
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{
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QList<QString> list = parseText("folder", text, textLength);
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if (list.isEmpty()) {
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return false;
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}
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_name = HtmlTranslator::html2txt(FilterTextTranslator::translate(list[0], filterName));
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QRegularExpression re("^\".*\"$");
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if (re.match(list[1]).hasMatch()) {
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list[1].chop(1);
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list[1].remove(0, 1);
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}
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if (list[1].isEmpty()) {
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_default.clear();
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_value = Settings::FolderParameterDefaultValue;
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} else {
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_default = _value = list[1];
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}
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return true;
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}
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bool FolderParameter::isQuoted() const
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{
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return true;
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}
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void FolderParameter::onButtonPressed()
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{
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QString oldValue = _value;
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QFileDialog::Options options = Settings::nativeFileDialogs() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
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options |= QFileDialog::ShowDirsOnly;
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QString path = QFileDialog::getExistingDirectory(dynamic_cast<QWidget *>(parent()), tr("Select a folder"), _value, options);
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if (path.isEmpty()) {
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setValue(oldValue);
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} else {
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Settings::FolderParameterDefaultValue = path;
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setValue(path);
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}
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notifyIfRelevant();
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}
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} // namespace GmicQt
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