#include <QAction>

#include <QDebug>

#include <QLineEdit>

#include <QVBoxLayout>

#include <QLabel>

#include <QComboBox>

#include <QPushButton>

#include <QGroupBox>

#include <QLabel>

#include "findwidget.h"

#include "mainwindow.h"

extern QString iconPath;

extern Main *mainWindow;

FindWidget::FindWidget(QWidget *)

{

    QVBoxLayout* mainLayout = new QVBoxLayout;

    QHBoxLayout *row2Layout = new QHBoxLayout;

	// Create Buttons

	cancelbutton = new QPushButton;

	//cancelbutton->setText(tr("Cancel"));

	cancelbutton->setIcon (QIcon (iconPath+"fileclose.png"));

	cancelbutton->setShortcut (Qt::Key_Escape);

	connect ( cancelbutton, SIGNAL( clicked() ), this, SLOT( cancelPressed() ) );

	QLabel *label=new QLabel;

	label->setText (tr("Find:","FindWidget"));

	// Create LineEdit (here QComboBox)

    findcombo = new QComboBox;

	findcombo->setMinimumWidth(250);

	findcombo->setEditable(true);

	QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    findcombo->setSizePolicy(sizePolicy);

	connect ( findcombo, SIGNAL( highlighted(int) ), 

		this, SLOT( nextPressed() ) );

	connect ( findcombo, SIGNAL( textChanged(const QString &) ), 

		this, SLOT( findTextChanged(const QString&) ) );

	nextbutton = new QPushButton;

	nextbutton->setText (tr("Next","Find widget"));

	connect ( nextbutton, SIGNAL( clicked() ), this, SLOT( nextPressed() ) );

	// QAction needed to only activate shortcut while FindWidget has focus

	QAction *a=new QAction (nextbutton->text(),this);

	a->setShortcut (Qt::Key_Return);

	a->setShortcutContext (Qt::WidgetWithChildrenShortcut);

	connect ( a, SIGNAL( triggered() ), this, SLOT( nextPressed() ) );

	addAction (a);

	showAllButton = new QPushButton;

	showAllButton->setText (tr("Show all","Find widget"));

	connect ( showAllButton, SIGNAL( clicked() ), mainWindow, SLOT( editOpenFindWidget() ) );

	row2Layout->addWidget (cancelbutton);

	row2Layout->addWidget (label);

	row2Layout->addWidget(findcombo);

	row2Layout->addWidget(nextbutton);

	row2Layout->addWidget(showAllButton);

	mainLayout->addLayout (row2Layout);

	setLayout (mainLayout);

	status=Undefined;

}

void FindWidget::popup()

{

	show();

	findcombo->lineEdit()->selectAll();

	findcombo->setFocus();

	setStatus (Undefined);

}

void FindWidget::cancelPressed()

{

	hide();

	emit (hideFindWidget() );//Restore focus

}

void FindWidget::nextPressed()

{

	emit (nextButton(findcombo->currentText() ) );

}

void FindWidget::findTextChanged(const QString&)

{

	setStatus (Undefined);

}

void FindWidget::setFocus()

{

	findcombo->setFocus();

}

void FindWidget::setStatus (Status st)

{

	if (st==status) return;

	status=st;

	QPalette p=palette();

	QColor c;

	switch (st)

	{

		case Success: c=QColor (120,255,120); break;

		case Failed:  c=QColor (255,120,120); break;

		default:  c=QColor (255,255,255); 

	}

    p.setColor(QPalette::Active, static_cast<QPalette::ColorRole>(9), c);

    p.setColor(QPalette::Inactive, static_cast<QPalette::ColorRole>(9), c);

    findcombo->setPalette(p);

}