/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

#include "precompiled_sfx2.hxx"

#include "ToolBoxBackground.hxx"
#include "Paint.hxx"
#include "DrawHelper.hxx"
#include "Tools.hxx"
#include "sfx2/sidebar/Theme.hxx"

#include <vcl/toolbox.hxx>
#include <vcl/gradient.hxx>


namespace sfx2 { namespace sidebar {

ToolBoxBackground::ToolBoxBackground (Window* pParentWindow)
    : Window(pParentWindow),
      maPadding(Tools::RectangleToSvBorder(Theme::GetRectangle(Theme::Rect_ToolBoxPadding)))
{
    SetBackground(Theme::GetPaint(Theme::Paint_ToolBoxBackground).GetWallpaper());
}




ToolBoxBackground::~ToolBoxBackground (void)
{
    Link aEventListener (LINK(this, ToolBoxBackground, WindowEventHandler));
    if (GetChildCount() > 0)
        GetChild(0)->RemoveEventListener(aEventListener);
}




Point ToolBoxBackground::SetToolBoxChild (
    ToolBox* pChild,
    long nX,
    long nY,
    long nWidth,
    long nHeight,
    sal_uInt16 nFlags)
{
    if (pChild == NULL)
    {
        OSL_ASSERT(pChild!=NULL);
        return Point(nX, nY);
    }

    Link aEventListener (LINK(this, ToolBoxBackground, WindowEventHandler));
    pChild->AddEventListener(aEventListener);
    
    SetPosSizePixel(
        nX - maPadding.Left(),
        nY - maPadding.Top(),
        nWidth + maPadding.Left() + maPadding.Right(),
        nHeight + maPadding.Top() + maPadding.Bottom(),
        nFlags);
    return Point(
        maPadding.Left(),
        maPadding.Top());
}




void ToolBoxBackground::Paint (const Rectangle& rRect)
{
    Window::Paint(rRect);

    OSL_TRACE("paint ToolBoxBackground at %d,%d",
        GetPosPixel().X(),
        GetPosPixel().Y());
    Rectangle aBox (Point(0,0), GetSizePixel());
    
    const sidebar::Paint aTopLeftBorderPaint (Theme::GetPaint(Theme::Paint_ToolBoxBorderTopLeft));
    const sidebar::Paint aCenterBorderPaint (Theme::GetPaint(Theme::Paint_ToolBoxBorderCenterCorners));
    const sidebar::Paint aBottomRightBorderPaint (Theme::GetPaint(Theme::Paint_ToolBoxBorderBottomRight));
    const Rectangle aBorderSize (Theme::GetRectangle(Theme::Rect_ToolBoxBorder));
    DrawHelper::DrawBevelBorder (
        *this,
        aBox,
        Tools::RectangleToSvBorder(aBorderSize),
        aTopLeftBorderPaint,
        aCenterBorderPaint,
        aBottomRightBorderPaint);
}




void ToolBoxBackground::DataChanged (const DataChangedEvent& rEvent)
{
    (void)rEvent;
    
    SetBackground(Theme::GetPaint(Theme::Paint_ToolBoxBackground).GetWallpaper());
    maPadding = Tools::RectangleToSvBorder(Theme::GetRectangle(Theme::Rect_ToolBoxPadding));
}




IMPL_LINK(ToolBoxBackground, WindowEventHandler, VclWindowEvent*, pEvent)
{
    if (pEvent != NULL)
    {
        switch (pEvent->GetId())
        {
            case VCLEVENT_WINDOW_SHOW:
                if (GetChild(0)->IsVisible())
                    Show();
                break;

            case VCLEVENT_WINDOW_HIDE:
                if ( ! GetChild(0)->IsVisible())
                    Hide();
                break;

            default:
                break;
        }
    }

    return sal_True;
}


} } // end of namespace sfx2::sidebar