/*
  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 <QComboBox>
#include <QLineEdit>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>

#include "listeditor.h"
#include "listmodel.h"

ListEditor::ListEditor(ListModel *model, QWidget *parent) : QWidget(parent), mModel(model){
	mItems = new QComboBox;
	mItems->setModel(mModel);

	mEdit = new QLineEdit;

	mAdd = new QPushButton(tr("Add"));
	connect(mAdd, SIGNAL(clicked()), this, SLOT(addItem()));
	mRemove = new QPushButton(tr("Remove"));
	connect(mRemove, SIGNAL(clicked()), this, SLOT(removeItem()));
	mRename = new QPushButton(tr("Rename"));
	connect(mRename, SIGNAL(clicked()), this, SLOT(renameItem()));

	QHBoxLayout *buttonLayout = new QHBoxLayout;
	buttonLayout->addWidget(mAdd);
	buttonLayout->addWidget(mRemove);

	QVBoxLayout *mainLayout = new QVBoxLayout;
	mainLayout->addWidget(mItems);
	mainLayout->addWidget(mEdit);
	mainLayout->addLayout(buttonLayout);

	connect(mItems, SIGNAL(currentIndexChanged(const QString&)), this, SLOT(itemChanged(const QString &)));

	setLayout(mainLayout);
}

void ListEditor::addItem(){
	if(mEdit->text().isEmpty()){
		return;
	}
	QString newItem = mEdit->text().toLower().trimmed();
	QModelIndex idx = mModel->index(newItem);
	if(idx == QModelIndex()){
		mModel->addItem(newItem);
	}
}

void ListEditor::removeItem(){
	mModel->removeItem(mItems->currentText());
}

void ListEditor::renameItem(){
	QString oldName = mItems->currentText();
	QString newName = mEdit->text();
	if(!newName.isEmpty()){
		mModel->renameItem(oldName, newName);
	}
}

void ListEditor::itemChanged(const QString &name){
	mEdit->setText(name);
}