/**
 * @file lluploaddialog.cpp
 * @brief LLUploadDialog class implementation
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "lluploaddialog.h"
#include "llviewerwindow.h"
#include "llfontgl.h"
#include "llresmgr.h"
#include "lltextbox.h"
#include "llbutton.h"
#include "llkeyboard.h"
#include "llfocusmgr.h"
#include "llviewercontrol.h"
#include "llrootview.h"

// static
LLUploadDialog* LLUploadDialog::sDialog = NULL;

// static
LLUploadDialog* LLUploadDialog::modalUploadDialog(const std::string& msg)
{
    // Note: object adds, removes, and destroys itself.
    return new LLUploadDialog(msg);
}

// static
void LLUploadDialog::modalUploadFinished()
{
    // Note: object adds, removes, and destroys itself.
    delete LLUploadDialog::sDialog;
    LLUploadDialog::sDialog = NULL;
}

////////////////////////////////////////////////////////////
// Private methods

LLUploadDialog::LLUploadDialog( const std::string& msg)
  : LLPanel()
{
    setBackgroundVisible( true );

    if( LLUploadDialog::sDialog )
    {
        delete LLUploadDialog::sDialog;
    }
    LLUploadDialog::sDialog = this;

    const LLFontGL* font = LLFontGL::getFontSansSerif();
    LLRect msg_rect;
    for (int line_num=0; line_num<16; ++line_num)
    {
        LLTextBox::Params params;
        params.name("Filename");
        params.rect(msg_rect);
        params.initial_value("Filename");
        params.font(font);
        mLabelBox[line_num] = LLUICtrlFactory::create<LLTextBox> (params);
        addChild(mLabelBox[line_num]);
    }

    setMessage(msg);

    // The dialog view is a root view
    gViewerWindow->addPopup(this);
}

void LLUploadDialog::setMessage( const std::string& msg)
{
    const LLFontGL* font = LLFontGL::getFontSansSerif();

    const S32 VPAD = 16;
    const S32 HPAD = 25;

    // Make the text boxes a little wider than the text
    const S32 TEXT_PAD = 8;

    // Split message into lines, separated by '\n'
    S32 max_msg_width = 0;
    std::list<std::string> msg_lines;

    auto size = msg.size() + 1;
    std::vector<char> temp_msg(size); // non-const copy to make strtok happy
    strcpy( &temp_msg[0], msg.c_str());
    char* token = strtok( &temp_msg[0], "\n" );
    while( token )
    {
        std::string tokstr(token);
        S32 cur_width = S32(font->getWidth(tokstr) + 0.99f) + TEXT_PAD;
        max_msg_width = llmax( max_msg_width, cur_width );
        msg_lines.push_back( tokstr );
        token = strtok( NULL, "\n" );
    }

    S32 line_height = font->getLineHeight();
    S32 dialog_width = max_msg_width + 2 * HPAD;
    S32 dialog_height = line_height * static_cast<S32>(msg_lines.size()) + 2 * VPAD;

    reshape( dialog_width, dialog_height, false );

    // Message
    S32 msg_x = (getRect().getWidth() - max_msg_width) / 2;
    S32 msg_y = getRect().getHeight() - VPAD - line_height;
    int line_num;
    for (line_num=0; line_num<16; ++line_num)
    {
        mLabelBox[line_num]->setVisible(false);
    }
    line_num = 0;
    for (std::list<std::string>::iterator iter = msg_lines.begin();
         iter != msg_lines.end(); ++iter)
    {
        std::string& cur_line = *iter;
        LLRect msg_rect;
        msg_rect.setOriginAndSize( msg_x, msg_y, max_msg_width, line_height );
        mLabelBox[line_num]->setRect(msg_rect);
        mLabelBox[line_num]->setText(cur_line);
        mLabelBox[line_num]->setColor( LLUIColorTable::instance().getColor( "LabelTextColor" ) );
        mLabelBox[line_num]->setVisible(true);
        msg_y -= line_height;
        ++line_num;
    }

    centerWithin(gViewerWindow->getRootView()->getRect());
}

LLUploadDialog::~LLUploadDialog()
{
    gViewerWindow->removePopup(this);
    gFocusMgr.releaseFocusIfNeeded( this );

//    LLFilePicker::instance().reset();


    LLUploadDialog::sDialog = NULL;
}