FileDialog.nimpl

module FileDialog;

import Object;
import Common;
import Icon;
import Dialog;
import Widget;

namedbits SignalMask extends Dialog.SignalMask {
    CurrentChanged,
    CurrentUrlChanged,
    DirectoryEntered,
    DirectoryUrlEntered,
    FileSelected,
    FilesSelected,
    FilterSelected,
    UrlSelected,
    UrlsSelected
}

interface SignalHandler {
    // Object:
    void destroyed(Object.Handle obj);
    void objectNameChanged(string objectName);

    // Widget:
    void customContextMenuRequested(Point pos);
    void windowIconChanged(Icon.Handle icon);
    void windowTitleChanged(string title);

    // Dialog:
    void accepted();
    void finished(int result);
    void rejected();

    // FileDialog:
    void currentChanged(string path);
    void currentUrlChanged(string url);
    void directoryEntered(string dir);
    void directoryUrlEntered(string url);
    void fileSelected(string file);
    void filesSelected(Array<string> selected);
    void filterSelected(string filter);
    void urlSelected(string url);
    void urlsSelected(Array<string> urls);
}

enum FileMode {
    AnyFile,
    ExistingFile,
    Directory,
    ExistingFiles
}

enum ViewMode {
    Detail,
    List
}

enum AcceptMode {
    Open,
    Save
}

flags Options {
    ShowDirsOnly                = 0x00000001,
    DontResolveSymlinks         = 0x00000002,
    DontConfirmOverwrite        = 0x00000004,
    DontUseNativeDialog         = 0x00000008,
    ReadOnly                    = 0x00000010,
    HideNameFilterDetails       = 0x00000020,
    DontUseCustomDirectoryIcons = 0x00000040
}

opaque Handle extends Dialog.Handle {
    // properties
    void setAcceptMode(AcceptMode mode);
    void setDefaultSuffix(string suffix);
    void setFileMode(FileMode mode);
    void setOptions(Options opts);
    void setSupportedSchemes(Array<string> schemes);
    void setViewMode(ViewMode mode);
    
    // others:
    void setNameFilter(string filter);
    void setNameFilters(Array<string> filters);
    void setMimeTypeFilters(Array<string> filters);
    void setDirectory(string dir);
    void selectFile(string file);
    Array<string> selectedFiles();
    
    void setSignalMask(SignalMask mask);
}

Handle create(Widget.Handle parent, SignalHandler handler);