/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2011  David Rosca
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "searchtoolbar.h"
#include "qupzilla.h"
#include "webview.h"
#include "lineedit.h"
#include "ui_searchtoolbar.h"
#include "iconprovider.h"

SearchToolBar::SearchToolBar(QupZilla* mainClass, QWidget* parent)
  : AnimatedWidget(AnimatedWidget::Up, 300, parent)
  , ui(new Ui::SearchToolbar)
  , p_QupZilla(mainClass)
  , m_findFlags(0)
{
    setAttribute(Qt::WA_DeleteOnClose);
    ui->setupUi(widget());
    ui->closeButton->setIcon(IconProvider::standardIcon(QStyle::SP_DialogCloseButton));

    ui->next->setIcon(IconProvider::standardIcon(QStyle::SP_ArrowForward));

    ui->previous->setIcon(IconProvider::standardIcon(QStyle::SP_ArrowBack));

    connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(hide()));
    connect(ui->lineEdit, SIGNAL(textChanged(QString)), this, SLOT(searchText(QString)));
    connect(ui->next, SIGNAL(clicked()), this, SLOT(findNext()));
    connect(ui->previous, SIGNAL(clicked()), this, SLOT(findPrevious()));
    connect(ui->highligh, SIGNAL(clicked()), this, SLOT(refreshFindFlags()));
    connect(ui->caseSensitive, SIGNAL(clicked()), this, SLOT(refreshFindFlags()));
    startAnimation();

    p_QupZilla->actionStop()->setEnabled(false);
    qApp->installEventFilter(this);
}

QLineEdit* SearchToolBar::searchLine()
{
    return ui->lineEdit;
}

void SearchToolBar::findNext()
{
    refreshFindFlags();
    m_findFlags+=4;
    searchText(ui->lineEdit->text());

}

void SearchToolBar::findPrevious()
{
    refreshFindFlags();
    m_findFlags+=5;
    searchText(ui->lineEdit->text());
}

void SearchToolBar::refreshFindFlags()
{
    m_findFlags = 0;
    if (ui->highligh->isChecked()) {
        m_findFlags+=8;
        searchText(ui->lineEdit->text());
    }else{
        m_findFlags+=8;
        searchText("");
        m_findFlags-=8;
    }
    if (ui->caseSensitive->isChecked()) {
        m_findFlags+=2;
        searchText(ui->lineEdit->text());
    }
}

void SearchToolBar::searchText(const QString &text)
{
    bool found = p_QupZilla->weView()->findText(text, QFlags<QWebPage::FindFlag>(m_findFlags));
    if (text.isEmpty())
        found = true;

    if (!found)
        ui->results->setText(tr("No results found."));
    else
        ui->results->clear();


    ui->lineEdit->setProperty("notfound", !found);

    ui->lineEdit->style()->unpolish(ui->lineEdit);
    ui->lineEdit->style()->polish(ui->lineEdit);
}

bool SearchToolBar::eventFilter(QObject* obj, QEvent* event)
{
    if (event->type() == QEvent::KeyPress && static_cast<QKeyEvent*>(event)->key() == Qt::Key_Escape) {
        hide();
        return false;
    }

    return AnimatedWidget::eventFilter(obj, event);
}

SearchToolBar::~SearchToolBar()
{
    p_QupZilla->actionStop()->setEnabled(true);
    delete ui;
}