#include "clipboardpopup.h"
#include "ui_clipboardpopup.h"

#include <QClipboard>

ClipboardPopup::ClipboardPopup(Direction dir, QWidget* parent) : QDialog(parent), ui(new Ui::ClipboardPopup), direction(dir) {
	ui->setupUi(this);

	if(direction == Direction::Paste) {
		this->ui->copyButton->hide();
		this->ui->text->setPlaceholderText(ClipboardPopup::tr("Paste here"));
		this->ui->buttonBox->setStandardButtons(QDialogButtonBox::Cancel);

		QObject::connect(this->ui->text, &QTextEdit::textChanged, this, &ClipboardPopup::textPasted);
	} else {
		// copy
		this->ui->text->setReadOnly(true);
	}

	QObject::connect(this->ui->copyButton, &QPushButton::pressed, this, &ClipboardPopup::copyButton);
}

ClipboardPopup::~ClipboardPopup() {
	delete this->ui;
}

void ClipboardPopup::textPasted() {
	int newTextSize = this->getText().size();
	if(newTextSize - 1 > lastKnownTextSize && newTextSize > 1) {
		// asume that something was pasted
		accept();
		return;
	}

	if(newTextSize > 0) {
		this->ui->buttonBox->setStandardButtons(QDialogButtonBox::Cancel | QDialogButtonBox::Ok);
	}

	lastKnownTextSize = newTextSize;
}

void ClipboardPopup::setText(QString text) {
	this->ui->text->setText(text);
	this->ui->text->selectAll();
}

QString ClipboardPopup::getText() const {
	return this->ui->text->toPlainText();
}

void ClipboardPopup::copyButton() {
	QClipboard* clip = qApp->clipboard();
	clip->setText(this->ui->text->toPlainText());

	// close this dialog
	accept();
}