/**
 * @file lltoastscripttextbox.cpp
 * @brief Panel for script llTextBox dialogs
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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 "lltoastscripttextbox.h"

#include "lldbstrings.h"
#include "lllslconstants.h"
#include "llnotifications.h"
#include "llstyle.h"
#include "lluiconstants.h"
#include "llviewertexteditor.h"

const S32 LLToastScriptTextbox::DEFAULT_MESSAGE_MAX_LINE_COUNT= 14;

LLToastScriptTextbox::LLToastScriptTextbox(const LLNotificationPtr& notification)
:   LLToastPanel(notification)
{
    buildFromFile( "panel_notify_textbox.xml");

    mInfoText = getChild<LLTextEditor>("text_editor_box");
    mInfoText->setMaxTextLength(LLToastPanel::MAX_TEXT_LENGTH);
    mInfoText->setValue(notification->getMessage());

    getChild<LLButton>("ignore_btn")->setClickedCallback(boost::bind(&LLToastScriptTextbox::onClickIgnore, this));

    const LLSD& payload = notification->getPayload();

    //message body
    const std::string& message = payload["message"].asString();

    LLViewerTextEditor* pMessageText = getChild<LLViewerTextEditor>("message");
    pMessageText->clear();

    LLStyle::Params style;
    style.font = pMessageText->getFont();
    pMessageText->appendText(message, true, style);

    //submit button
    LLButton* pSubmitBtn = getChild<LLButton>("btn_submit");
    pSubmitBtn->setClickedCallback((boost::bind(&LLToastScriptTextbox::onClickSubmit, this)));
    setDefaultBtn(pSubmitBtn);

    snapToMessageHeight();
}

// virtual
LLToastScriptTextbox::~LLToastScriptTextbox()
{
}

void LLToastScriptTextbox::close()
{
    die();
}

void LLToastScriptTextbox::onClickSubmit()
{
    LLViewerTextEditor* pMessageText = getChild<LLViewerTextEditor>("message");

    if (pMessageText)
    {
        LLSD response = mNotification->getResponseTemplate();
        response[TEXTBOX_MAGIC_TOKEN] = pMessageText->getText();
        if (response[TEXTBOX_MAGIC_TOKEN].asString().empty())
        {
            // so we can distinguish between a successfully
            // submitted blank textbox, and an ignored toast
            response[TEXTBOX_MAGIC_TOKEN] = true;
        }
        mNotification->respond(response);
        close();
        LL_WARNS() << response << LL_ENDL;
    }
}

void LLToastScriptTextbox::onClickIgnore()
{
    LLSD response = mNotification->getResponseTemplate();
    mNotification->respond(response);
    close();
}

void LLToastScriptTextbox::snapToMessageHeight()
{
    LLPanel* info_pan = getChild<LLPanel>("info_panel");
    if (!info_pan)
    {
        return;
    }

    S32 maxLinesCount;
    std::istringstream ss( getString("message_max_lines_count") );
    if (!(ss >> maxLinesCount))
    {
        maxLinesCount = DEFAULT_MESSAGE_MAX_LINE_COUNT;
    }


    S32 maxTextHeight = (mInfoText->getFont()->getLineHeight() * maxLinesCount);
    S32 oldTextHeight = mInfoText->getRect().getHeight();
    S32 newTextHeight = llmin(mInfoText->getTextBoundingRect().getHeight(), maxTextHeight);

    S32 heightDelta = newTextHeight - oldTextHeight;

    reshape( getRect().getWidth(), llmax(getRect().getHeight() + heightDelta, MIN_PANEL_HEIGHT));
    info_pan->reshape(info_pan->getRect().getWidth(),newTextHeight);
}