package texteditor

open class TextEditorBehaviour(
    file : File
) : TextBehaviour( "", Context(Context.TEXT_FILE, file),Context(Context.FILE, file) ), Savable, FileWatcher {

    var lastModified = file.lastModified()

    val reload = Action( "Reload", this:>reload )
        .shortcut( Key.F5.noMods() )

    init {
        this.file = file
        load( file )
        watchFile(file)
    }

    override meth shortcuts() = listOf<Feature>( reload )

    meth reload() {
        load(file)
        timedMessage("Reloaded", 2000)
    }

    override meth attached(container: Container) {
        super.attached( container )
        showLineNumbers = true
    }

    override meth save() {
        save( file )
        lastModified = file.lastModified()
        timedMessage("Saved", 5000)
    }

    override meth modified( file : File ) {
        if (file.lastModified() > lastModified) {
            message( "File changed. F5 to load changes from disk. Ctrl+S to overwrite those changes." )
        }
    }

}