cxFileInputWidget.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#include "cxFileInputWidget.h"
#include <QtWidgets>

#include "cxTypeConversions.h"
#include <iostream>

namespace cx
{

FileInputWidget::FileInputWidget(QWidget* parent) : QWidget(parent)
{
        mBasePath = "~";
        mUseRelativePath = false;
        mDescription = NULL;
        mBrowseButton = NULL;
        mFilenameEdit = NULL;

        mLayout = new QGridLayout(this);
        mLayout->setMargin(0);

        mFilenameEdit = new QLineEdit(this);
        mFilenameEdit->setToolTip("File name");
        connect(mFilenameEdit, SIGNAL(editingFinished()), this, SIGNAL(fileChanged()));
        connect(mFilenameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(updateColor()));
        mLayout->addWidget(mFilenameEdit, 0, 1);

        mBrowseAction = new QAction(QIcon(":/icons/open.png"), "Browse", this);
        mBrowseAction->setStatusTip("Browse the file system");
        connect(mBrowseAction, SIGNAL(triggered()), this, SLOT(browse()));

        mBrowseButton = new QToolButton();
        mBrowseButton->setDefaultAction(mBrowseAction);
        mLayout->addWidget(mBrowseButton, 0, 2);
}

void FileInputWidget::setDescription(QString text)
{
        if (!mDescription)
        {
                mDescription = new QLabel(this);
                mLayout->addWidget(mDescription, 0,0);
        }

        mDescription->setText(text);
}

void FileInputWidget::setFilename(QString text)
{
        if (text==mFilenameEdit->text())
                return;
        mFilenameEdit->setText(text);
        this->widgetHasBeenChanged();
}

void FileInputWidget::widgetHasBeenChanged()
{
        this->updateHelpInternal();
        this->updateColor();
        emit fileChanged();
}

void FileInputWidget::setHelp(QString text)
{
        mBaseHelp = text;
        this->updateHelpInternal();
}

void FileInputWidget::updateHelpInternal()
{
        QString text = QString("%1\n%2").arg(this->getAbsoluteFilename()).arg(mBaseHelp);
        mFilenameEdit->setToolTip(text);
        mFilenameEdit->setStatusTip(text);
}

void FileInputWidget::setBrowseHelp(QString text)
{
        mBrowseAction->setToolTip(text);
        mBrowseAction->setStatusTip(text);
}

void FileInputWidget::setBasePath(QString path)
{
        mBasePath = path;
        this->widgetHasBeenChanged();
}

void FileInputWidget::browse()
{
        QString text = "Select file";
        if (mUseRelativePath)
                text = QString("Select file relative to %1").arg(mBasePath);

        QString filename = QFileDialog::getOpenFileName(this, text, mBasePath);
        if (filename.isEmpty())
                return;

        if (mUseRelativePath)
                filename = QDir(mBasePath).relativeFilePath(filename);

        this->setFilename(filename);
}

QString FileInputWidget::getFilename() const
{
        return mFilenameEdit->text();
}

QString FileInputWidget::getAbsoluteFilename() const
{
        QString absolute = QDir(mBasePath).absoluteFilePath(this->getFilename().trimmed());
        QString cleaned = QDir().cleanPath(absolute);
        return cleaned;
}

void FileInputWidget::setUseRelativePath(bool on)
{
        mUseRelativePath = on;
        this->widgetHasBeenChanged();
}

void FileInputWidget::updateColor()
{
        QColor color = QColor("black");
        if (!QFileInfo(this->getAbsoluteFilename()).exists())
                color = QColor("red");

        QPalette p = mFilenameEdit->palette();
        p.setColor(QPalette::Text, color);
        mFilenameEdit->setPalette(p);
}





} // namespace cx