/*
 * Copyright 2002-2006, project beam (http://sourceforge.net/projects/beam).
 * All rights reserved. Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Oliver Tappe <beam@hirschkaefer.de>
 */
#ifndef TEXT_CONTROL_COMPLETER_H
#define TEXT_CONTROL_COMPLETER_H

#include <MessageFilter.h>

#include "AutoCompleter.h"


class BTextView;

class TextViewCompleter : protected BAutoCompleter, public BMessageFilter {
public:
                                                                TextViewCompleter(BTextView* textView,
                                                                        ChoiceModel* choiceModel = NULL,
                                                                        PatternSelector* patternSelector = NULL);
        virtual                                         ~TextViewCompleter();

                        void                            SetModificationsReported(bool reported);
                        void                            TextModified(bool updateChoices);

private:
        virtual filter_result           Filter(BMessage* message, BHandler** target);

        class TextViewWrapper : public EditView {
        public:
                                                                TextViewWrapper(BTextView* textView);
                virtual BRect                   GetAdjustmentFrame();
                virtual void                    GetEditViewState(BString& text,
                                                                        int32* caretPos);
                virtual void                    SetEditViewState(const BString& text,
                                                                        int32 caretPos, int32 selectionLength = 0);
        private:
                                BTextView*              fTextView;
        };

private:
                        BTextView*                      fTextView;
                        bool                            fModificationsReported;
};

#endif // TEXT_CONTROL_COMPLETER_H