KisDlgListPicker.cpp

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/*
 *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "KisDlgListPicker.h"
#include "ui_KisDlgListPicker.h"
 
#include <QListWidgetItem>
 
#include <kstandardguiitem.h>
 
 
struct KisDlgListPicker::Private
{
    
};
 
KisDlgListPicker::KisDlgListPicker(QString windowTitle, QString availableString, QString currentString,
                                   QList<QString> available, QList<QVariant> availableData,
                                   QList<QString> chosen, QList<QVariant> chosenData,
                                   QWidget *parent) :
    QDialog(parent),
    ui(new Ui::KisDlgListPicker),
    m_d(new Private)
{
    ui->setupUi(this);
 
    this->setWindowTitle(windowTitle);
    ui->label->setText(availableString);
    ui->label_2->setText(currentString);
 
    KGuiItem::assign(ui->btnBox->button(QDialogButtonBox::Ok), KStandardGuiItem::ok());
    KGuiItem::assign(ui->btnBox->button(QDialogButtonBox::Cancel), KStandardGuiItem::cancel());
 
    int i = 0;
    Q_FOREACH(QString name, available) {
        QListWidgetItem *item = new QListWidgetItem(name);
        item->setData(Qt::UserRole, availableData[i]);
        ui->lstAvailable->addItem(item);
        i++;
    }
    i = 0;
    Q_FOREACH(QString name, chosen) {
        QListWidgetItem *item = new QListWidgetItem(name);
        item->setData(Qt::UserRole, chosenData[i]);
        ui->lstCurrent->addItem(item);
        i++;
    }
 
    ui->lstAvailable->sortItems(); // sort alphabetically by name
 
    connect(ui->btnAdd, SIGNAL(clicked()), SLOT(slotMoveRight()));
    connect(ui->btnRemove, SIGNAL(clicked()), SLOT(slotMoveLeft()));
 
    connect(ui->btnDown, SIGNAL(clicked()), SLOT(slotMoveDown()));
    connect(ui->btnUp, SIGNAL(clicked()), SLOT(slotMoveUp()));
}
 
KisDlgListPicker::~KisDlgListPicker()
{
    delete ui;
}
 
QList<QVariant> KisDlgListPicker::getChosenData()
{
    QList<QVariant> chosenData;
    for (int i = 0; i < ui->lstCurrent->count(); i++) {
        chosenData.append(ui->lstCurrent->item(i)->data(Qt::UserRole));
    }
    return chosenData;
}
 
void KisDlgListPicker::slotMoveRight()
{
    QListWidgetItem *item = ui->lstAvailable->currentItem();
    if (!item) return;
 
    const int prevPosition = ui->lstAvailable->row(item) - 1;
    const int newPosition = ui->lstCurrent->currentRow() + 1;
 
    ui->lstAvailable->takeItem(ui->lstAvailable->row(item));
    ui->lstAvailable->setCurrentRow(qMax(0, prevPosition));
    ui->lstCurrent->insertItem(newPosition, item);
    ui->lstCurrent->setCurrentItem(item);
}
 
void KisDlgListPicker::slotMoveLeft()
{
    QListWidgetItem *item = ui->lstCurrent->currentItem();
    if (!item) return;
 
    const int prevPosition = ui->lstCurrent->row(item) - 1;
    const int newPosition = ui->lstAvailable->currentRow() + 1;
 
    ui->lstCurrent->takeItem(ui->lstCurrent->row(item));
    ui->lstCurrent->setCurrentRow(qMax(0, prevPosition));
    ui->lstAvailable->insertItem(newPosition, item);
    ui->lstAvailable->setCurrentItem(item);
}
 
void KisDlgListPicker::slotMoveUp()
{
    QListWidgetItem *item = ui->lstCurrent->currentItem();
    if (!item) return;
 
    int position = ui->lstCurrent->row(item);
 
    if (position <= 0) return;
 
    ui->lstCurrent->takeItem(ui->lstCurrent->row(item));
    ui->lstCurrent->insertItem(position - 1, item);
    ui->lstCurrent->setCurrentItem(item);
}
 
void KisDlgListPicker::slotMoveDown()
{
    QListWidgetItem *item = ui->lstCurrent->currentItem();
    if (!item) return;
 
    int position = ui->lstCurrent->row(item);
 
    if (position >= ui->lstCurrent->count() - 1) return;
 
    ui->lstCurrent->takeItem(ui->lstCurrent->row(item));
    ui->lstCurrent->insertItem(position + 1, item);
    ui->lstCurrent->setCurrentItem(item);
}