/*
 * Copyright 2012-2013 Tri-Edge AI <triedgeai@gmail.com>
 * Copyright 2014-2016 Haiku, Inc. All rights reserved.
 *
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *              Tri-Edge AI
 *              John Scipione, jscipione@gmail.com
 */


#include "ConfigView.h"

#include <ColorItem.h>
#include <LayoutBuilder.h>
#include <ListView.h>
#include <ScrollView.h>
#include <Slider.h>
#include <StringView.h>
#include <View.h>

#include "Gravity.h"
#include "RainbowItem.h"


using BPrivate::BColorItem;


static const int32 kMsgSize = 'size';
static const int32 kMsgShade = 'shad';


ConfigView::ConfigView(BRect frame, Gravity* parent)
        :
        BView(frame, B_EMPTY_STRING, B_FOLLOW_ALL_SIDES, B_WILL_DRAW),
        fParent(parent),
        fTitleString(new BStringView(B_EMPTY_STRING, "OpenGL Gravity Effect")),
        fAuthorString(new BStringView(B_EMPTY_STRING, "by Tri-Edge AI")),
        fCountSlider(new BSlider(B_EMPTY_STRING, "Particle Count: ",
                new BMessage(kMsgSize), 0, 4, B_HORIZONTAL, B_BLOCK_THUMB,
                B_NAVIGABLE | B_WILL_DRAW)),
        fShadeString(new BStringView(B_EMPTY_STRING, "Shade: ")),
        fShadeList(new BListView(B_EMPTY_STRING, B_SINGLE_SELECTION_LIST,
                B_WILL_DRAW | B_NAVIGABLE))
{
        SetViewUIColor(B_PANEL_BACKGROUND_COLOR);

        fShadeList->SetSelectionMessage(new BMessage(kMsgShade));
        fShadeList->AddItem(new BColorItem("Red",    make_color(255, 65, 54)));
        fShadeList->AddItem(new BColorItem("Green",  make_color(46, 204, 64)));
        fShadeList->AddItem(new BColorItem("Blue",   make_color(0, 116, 217)));
        fShadeList->AddItem(new BColorItem("Orange", make_color(255, 133, 27)));
        fShadeList->AddItem(new BColorItem("Purple", make_color(177, 13, 201)));
        fShadeList->AddItem(new BColorItem("White",  make_color(255, 255, 255)));
        fShadeList->AddItem(new RainbowItem("Rainbow"));

        fShadeScroll = new BScrollView(B_EMPTY_STRING, fShadeList,
                B_WILL_DRAW | B_FRAME_EVENTS, false, true);

        fCountSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
        fCountSlider->SetHashMarkCount(5);
        fCountSlider->SetLimitLabels("128", "2048");
        fCountSlider->SetModificationMessage(new BMessage(kMsgSize));
        fCountSlider->SetValue(parent->Config.ParticleCount);

        BLayoutBuilder::Group<>(this, B_VERTICAL, B_USE_DEFAULT_SPACING)
                .AddGroup(B_VERTICAL, 0)
                        .Add(fTitleString)
                        .Add(fAuthorString)
                        .End()
                .Add(fShadeString)
                .Add(fShadeScroll)
                .Add(fCountSlider)
                .SetInsets(B_USE_DEFAULT_SPACING)
                .End();
}


void
ConfigView::AllAttached()
{
        // fixup scroll bar range
        fShadeScroll->ScrollBar(B_VERTICAL)->SetRange(0.0f,
                fShadeList->ItemFrame(fShadeList->CountItems()).bottom
                        - fShadeList->ItemFrame((int32)0).top);

        // select the shade
        fShadeList->Select(fParent->Config.ShadeID);
}


void
ConfigView::AttachedToWindow()
{
        fShadeList->SetTarget(this);
        fCountSlider->SetTarget(this);
}


void
ConfigView::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case kMsgSize:
                        fParent->Config.ParticleCount = fCountSlider->Value();
                        break;

                case kMsgShade:
                        fParent->Config.ShadeID = fShadeList->CurrentSelection();
                        break;

                default:
                        BView::MessageReceived(message);
        }
}