/*
 * Copyright 2009-2012 Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              John Scipione <jscipione@gmail.com>
 *              Alex Wilson <yourpalal2@gmail.com>
 *              Artur Wyszynski <harakash@gmail.com>
 */


#include "ExtensionsView.h"

#include <Catalog.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GroupLayout.h>
#include <GroupLayoutBuilder.h>
#include <Locale.h>
#include <Message.h>
#include <SpaceLayoutItem.h>
#include <String.h>


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Extensions"


ExtensionsView::ExtensionsView()
        :
        BGroupView(B_TRANSLATE("Extensions"), B_VERTICAL),
        fExtensionsList(new BColumnListView("ExtensionsList", 0))
{
        // add the columns

        float availableColWidth = this->StringWidth("M") * 28;

        fAvailableColumn = new BStringColumn(B_TRANSLATE("Available extensions"),
                availableColWidth, availableColWidth, availableColWidth,
                B_TRUNCATE_MIDDLE);
        fExtensionsList->AddColumn(fAvailableColumn, 0);
        fExtensionsList->SetSortingEnabled(true);
        fExtensionsList->SetSortColumn(fAvailableColumn, true, true);

        // add the rows

        _AddExtensionsList(fExtensionsList, (char*)glGetString(GL_EXTENSIONS));
        _AddExtensionsList(fExtensionsList, (char*)gluGetString(GLU_EXTENSIONS));

        // add the list

        AddChild(fExtensionsList);
        GroupLayout()->SetInsets(5.0, 5.0, 5.0, 5.0);
}


ExtensionsView::~ExtensionsView()
{
        BRow *row;
        while ((row = fExtensionsList->RowAt((int32)0, NULL)) != NULL) {
                fExtensionsList->RemoveRow(row);
                delete row;
        }
}


//      #pragma mark -


void
ExtensionsView::_AddExtensionsList(BColumnListView* fExtensionsList, char* stringList)
{
        if (stringList == NULL) {
                // empty extensions string
                return;
        }

        while (*stringList != '\0') {
                char extName[255];
                int n = strcspn(stringList, " ");
                strncpy(extName, stringList, n);
                extName[n] = 0;
                BRow* row = new BRow();
                row->SetField(new BStringField(extName), 0);
                fExtensionsList->AddRow(row);
                if (!stringList[n])
                        break;
                stringList += (n + 1);
                        // next !
        }
}