window.cpp

#include "window.h"

Window::Window(QWidget *parent) : QWidget(parent)
{
    checkIntegrityOfFiles();

    createThumbnailManager();
    createTopLevelLayout();
    createToolBar();
    createLowerLayout();
    createTagPanel();
    createFileBrowser();

    relaySignals();

    setAcceptDrops(true);
}

void Window::checkIntegrityOfFiles()
{
    Database* database = Database::getInstance();
    QList<FileTuple> files = database->getAllFiles();

    for (FileTuple file : files) {
        if (!QFileInfo::exists(file.getPath())) {
            MissingFileDialog popup(file);

            int choice = popup.exec();
            if (choice == QDialog::Accepted) {
                QString newPath;
                if (file.getType() == "folder") {
                    newPath = QFileDialog::getExistingDirectory(this, "Locate " + file.getName(), Settings::loadLastUsedDirectory(), QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);;
                }
                else {
                    QString searchConditions = "All Files (*)";
                    if (file.getType() == "image") {
                        searchConditions = "Image Files (*.png *.jpg)";
                    }
                    newPath = QFileDialog::getOpenFileName(this, "Locate " + file.getName(), Settings::loadLastUsedDirectory(), searchConditions);
                }

                if (newPath.isNull()) {
                    deleteThumbnail(file.getThumbnail());
                    database->removeFile(file.getId());
                    Prompt::show("The file was removed.");
                }
                else {
                    database->setPath(newPath, file.getId());
                    QString newName = extractNameFromPath(newPath);
                    if (newName != file.getName()) {
                        database->setFileName(newName, file.getId());
                    }
                }
            }
            else if (choice == QDialog::Rejected) {
                deleteThumbnail(file.getThumbnail());
                database->removeFile(file.getId());
            }
        }
    }
}

QString Window::extractNameFromPath(const QString& path)
{
    int lastSlash = path.lastIndexOf('/');
    int stringLength = path.length();
    return path.right(stringLength - lastSlash - 1);
}

void Window::deleteThumbnail(const QString& path)
{
    QFile file(path);
    file.remove();
}

void Window::createThumbnailManager()
{
    thumbnailManager = new ThumbnailManager(this);
}

// topLevelLayout contains the button bar at the very top with the
// bottom portion filled by the contents of lowerLayout.
void Window::createTopLevelLayout()
{
    topLevelLayout = new QVBoxLayout;
    this->setLayout(topLevelLayout);
}

void Window::createToolBar()
{
    toolBar = new ToolBar(thumbnailManager);
    topLevelLayout->addWidget(toolBar);
}

// lowerLayout contains the tagPanel on the left side and the
// fileBrowser on the right.
void Window::createLowerLayout()
{
    lowerLayout = new QHBoxLayout;
    topLevelLayout->addLayout(lowerLayout);
}

void Window::createTagPanel()
{
    tagPanel = new TagPanel;
    lowerLayout->addWidget(tagPanel);
}

void Window::createFileBrowser()
{
    fileBrowser = new FileBrowser(thumbnailManager);
    lowerLayout->addWidget(fileBrowser);
}

void Window::relaySignals()
{
    connect(toolBar, SIGNAL (filesChanged()), fileBrowser, SLOT (showNewestItem()));
    connect(fileBrowser, SIGNAL (selectionChanged(int)), tagPanel, SLOT (selectionChanged(int)));
    connect(fileBrowser, SIGNAL (databaseTagsChanged()), tagPanel, SLOT (updateTagDictionaries()));
    connect(toolBar, SIGNAL (databaseTagsChanged()), tagPanel, SLOT (updateTagDictionaries()));
    connect(tagPanel, SIGNAL (activeSearchTagsChanged(QList<int>, QList<int>)), fileBrowser, SLOT (updateSearchList(QList<int>, QList<int>)));
    connect(tagPanel, SIGNAL (tagAddedToSelectedFile(int)), fileBrowser, SLOT (reloadIfTagAddedImpactsSearch(int)));
    connect(tagPanel, SIGNAL (tagRemovedFromSelectedFile(int)), fileBrowser, SLOT (reloadIfTagRemovedImpactsSearch(int)));
    connect(toolBar, SIGNAL (thumbnailSliderMoved(int)), fileBrowser, SLOT (updateThumbnailScale(int)));
    connect(this, SIGNAL (filesDropped(QStringList)), toolBar, SLOT(importFiles(QStringList)));
}

void Window::dragEnterEvent(QDragEnterEvent* event)
{
    if (event->mimeData()->hasUrls()) {
        event->acceptProposedAction();
    }
}

void Window::dropEvent(QDropEvent* event)
{
    if (event->mimeData()->hasUrls()) {
        QStringList paths;
        QList<QUrl> urls = event->mimeData()->urls();

        for (int i = 0; i < urls.size(); ++i) {
            paths.append(urls[i].toLocalFile());
        }

        emit filesDropped(paths);
    }
}