/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */


#include "FloatValueHandler.h"

#include <new>

#include "FloatValue.h"
#include "FloatValueFormatter.h"
#include "TableCellFloatEditor.h"
#include "TableCellFormattedValueRenderer.h"


FloatValueHandler::FloatValueHandler()
{
}


FloatValueHandler::~FloatValueHandler()
{
}


status_t
FloatValueHandler::Init()
{
        return B_OK;
}


float
FloatValueHandler::SupportsValue(Value* value)
{
        return dynamic_cast<FloatValue*>(value) != NULL ? 0.5f : 0;
}


status_t
FloatValueHandler::GetValueFormatter(Value* value,
        ValueFormatter*& _formatter)
{
        if (dynamic_cast<FloatValue*>(value) == NULL)
                return B_BAD_VALUE;

        FloatValueFormatter* formatter = new(std::nothrow) FloatValueFormatter;
        if (formatter == NULL)
                return B_NO_MEMORY;

        _formatter = formatter;
        return B_OK;
}


status_t
FloatValueHandler::GetTableCellValueRenderer(Value* value,
        TableCellValueRenderer*& _renderer)
{
        if (dynamic_cast<FloatValue*>(value) == NULL)
                return B_BAD_VALUE;

        ValueFormatter* formatter = NULL;
        status_t error = GetValueFormatter(value, formatter);
        if (error != B_OK)
                return error;
        BReference<ValueFormatter> formatterReference(formatter, true);

        // create the renderer
        TableCellValueRenderer* renderer
                = new(std::nothrow) TableCellFormattedValueRenderer(formatter);
        if (renderer == NULL)
                return B_NO_MEMORY;

        _renderer = renderer;
        return B_OK;
}


status_t
FloatValueHandler::GetTableCellValueEditor(Value* _value, Settings* settings,
        TableCellValueEditor*& _editor)
{
        FloatValue* value = dynamic_cast<FloatValue*>(_value);
        if (value == NULL)
                return B_BAD_VALUE;

        ValueFormatter* formatter;
        status_t error = GetValueFormatter(value, formatter);
        if (error != B_OK)
                return error;
        BReference<ValueFormatter> formatterReference(formatter, true);

        TableCellFloatEditor* editor = new(std::nothrow)
                TableCellFloatEditor(value, formatter);
        if (editor == NULL)
                return B_NO_MEMORY;

        BReference<TableCellFloatEditor> editorReference(editor, true);
        error = editor->Init();
        if (error != B_OK)
                return error;

        editorReference.Detach();
        _editor = editor;
        return B_OK;
}