#include "dirtystatemanager.h"
#include <QWidget>

DirtyStateManager& DirtyStateManager::instance() {
    static DirtyStateManager instance;
    return instance;
}

void DirtyStateManager::markDirty(QWidget* tab) {
    if (!tab) return;

    if (!m_dirtyTabs.contains(tab)) {
        m_dirtyTabs.insert(tab);
        emit dirtyStateChanged(tab, true);
    }
}

void DirtyStateManager::markClean(QWidget* tab) {
    if (!tab) return;

    if (m_dirtyTabs.contains(tab)) {
        m_dirtyTabs.remove(tab);
        emit dirtyStateChanged(tab, false);
    }
}

bool DirtyStateManager::isDirty(QWidget* tab) const {
    return m_dirtyTabs.contains(tab);
}

QList<QWidget*> DirtyStateManager::dirtyTabs() const {
    return m_dirtyTabs.values();
}

bool DirtyStateManager::hasDirtyTabs() const {
    return !m_dirtyTabs.isEmpty();
}

void DirtyStateManager::setFilePath(QWidget* tab, const QString& path) {
    if (tab) {
        m_filePaths[tab] = path;
    }
}

QString DirtyStateManager::filePath(QWidget* tab) const {
    return m_filePaths.value(tab);
}

void DirtyStateManager::removeTab(QWidget* tab) {
    if (!tab) return;

    m_dirtyTabs.remove(tab);
    m_filePaths.remove(tab);
}