/**
 * \file QURL.C
 * Copyright 2001 the LyX Team
 * Read the file COPYING
 *
 * \author John Levon
 */

#include <config.h>

#include "QURLDialog.h"
#include "QtLyXView.h"
#include "BufferView.h" 

#include "Dialogs.h"
#include "QURL.h"
#include "gettext.h"
#include "buffer.h"
#include "lyxfunc.h" 

#include <qlineedit.h>
#include <qcheckbox.h>
#include <qpushbutton.h>

QURL::QURL(LyXView *v, Dialogs *d)
	: dialog_(0), lv_(v), d_(d), inset_(0), h_(0), u_(0), ih_(0)
{
	// let the dialog be shown
	// This is a permanent connection so we won't bother
	// storing a copy because we won't be disconnecting.
	d->showUrl.connect(slot(this, &QURL::showUrl));
	d->createUrl.connect(slot(this, &QURL::createUrl));
}

 
QURL::~QURL()
{
	delete dialog_;
}


void QURL::showUrl(InsetCommand * const inset)
{
	// FIXME: when could inset be 0 here ?
	if (inset==0)
		return;

	inset_ = inset;
	readonly = lv_->buffer()->isReadonly();
	//ih_ = inset_->hide.connect(slot(this,&QURL::hide));
	params = inset->params();
	
	show();
}

 
void QURL::createUrl(string const & arg)
{
	// we could already be showing a URL, clear it out
	if (inset_)
		close();
 
	readonly = lv_->buffer()->isReadonly();
	params.setFromString(arg);
	show();
}

 
void QURL::update()
{
	dialog_->urlED->setText(params.getContents().c_str());
	dialog_->nameED->setText(params.getOptions().c_str());

	if (params.getCmdName()=="url") 
		dialog_->hyperlinkCB->setChecked(false);
	else
		dialog_->hyperlinkCB->setChecked(true);

	if (readonly) {
		dialog_->nameED->setFocusPolicy(QWidget::NoFocus);
		dialog_->urlED->setFocusPolicy(QWidget::NoFocus);
		dialog_->okPB->setEnabled(false);
		dialog_->cancelPB->setText(_("Close"));
		dialog_->hyperlinkCB->setEnabled(false);
	} else {
		dialog_->nameED->setFocusPolicy(QWidget::StrongFocus);
		dialog_->urlED->setFocusPolicy(QWidget::StrongFocus);
		dialog_->urlED->setFocus();
		dialog_->okPB->setEnabled(true);
		dialog_->cancelPB->setText(_("Cancel"));
		dialog_->hyperlinkCB->setEnabled(true);
	}
}

 
void QURL::apply()
{
	if (readonly)
		return;

	params.setContents(dialog_->urlED->text().latin1());
	params.setOptions(dialog_->nameED->text().latin1());

	if (dialog_->hyperlinkCB->isChecked())
		params.setCmdName("htmlurl");
	else
		params.setCmdName("url");

	if (inset_ != 0) {
		if (params != inset_->params()) {
			inset_->setParams(params);
			lv_->view()->updateInset(inset_, true);
		}
	} else
		lv_->getLyXFunc()->dispatch(LFUN_INSERT_URL, params.getAsString().c_str());
}
 

void QURL::show()
{
	if (!dialog_)
		dialog_ = new QURLDialog(this, 0, _("LyX: Url"), false);
 
	if (!dialog_->isVisible()) {
		h_ = d_->hideBufferDependent.connect(slot(this, &QURL::hide));
		//u_ = d_->updateBufferDependent.connect(slot(this, &QURL::update));
	}

	dialog_->raise();
	dialog_->setActiveWindow();
 
	update();
	dialog_->show();
}

 
void QURL::close()
{
	h_.disconnect();
	u_.disconnect();
	ih_.disconnect();
	inset_ = 0;
}

 
void QURL::hide()
{
	dialog_->hide();
	close();
}