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/*
 * Copyright (c) 2012 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#include "QtVCardDescriptionField.h"

#include <boost/algorithm/string.hpp>
#include <QFontMetrics>
#include <QGridLayout>

#include <Swift/QtUI/QtSwiftUtil.h>

namespace Swift {

QtVCardDescriptionField::QtVCardDescriptionField(QWidget* parent, QGridLayout *layout, bool editable) :
	QtVCardGeneralField(parent, layout, editable, layout->rowCount(), tr("Description"), false, false) {
	connect(this, SIGNAL(editableChanged(bool)), SLOT(handleEditibleChanged(bool)));
}

QtVCardDescriptionField::~QtVCardDescriptionField() {
	disconnect(this, SLOT(handleEditibleChanged(bool)));
}

void QtVCardDescriptionField::setupContentWidgets() {
	descriptionPlainTextEdit = new QPlainTextEdit(this);
	descriptionPlainTextEdit->setMinimumHeight(70);
	getGridLayout()->addWidget(descriptionPlainTextEdit, getGridLayout()->rowCount()-1, 2, 2, 2, Qt::AlignVCenter);
	getTagComboBox()->hide();
	childWidgets << descriptionPlainTextEdit;
}

bool QtVCardDescriptionField::isEmpty() const {
	return descriptionPlainTextEdit->toPlainText().isEmpty();
}

void QtVCardDescriptionField::setDescription(const std::string& description) {
	descriptionPlainTextEdit->setPlainText(P2QSTRING(description));
}

std::string QtVCardDescriptionField::getDescription() const {
	return Q2PSTRING(descriptionPlainTextEdit->toPlainText());
}

void QtVCardDescriptionField::handleEditibleChanged(bool isEditable) {
	if (descriptionPlainTextEdit) {
		if (isEditable) {
			descriptionPlainTextEdit->setMinimumHeight(70);
		} else {
			QFontMetrics inputMetrics(descriptionPlainTextEdit->document()->defaultFont());
			QRect horizontalBounds = contentsRect().adjusted(0,0,0,9999);
			QRect boundingRect = inputMetrics.boundingRect(horizontalBounds, Qt::TextWordWrap, descriptionPlainTextEdit->toPlainText() + "A");
			int left, top, right, bottom;
			getContentsMargins(&left, &top, &right, &bottom);
			int height = boundingRect.height() + top + bottom + inputMetrics.height();
			descriptionPlainTextEdit->setMinimumHeight(height > 70 ? 70 : height);
		}
		descriptionPlainTextEdit->setReadOnly(!isEditable);
		descriptionPlainTextEdit->setStyleSheet(isEditable ? "" : "QPlainTextEdit { background: transparent; }");
	}
}

}