/**
 * \file QGraphics.C
 * Copyright 2001 the LyX Team
 * Read the file COPYING
 *
 * \author John Levon <moz@compsoc.man.ac.uk>
 * \author Edwin Leuven <leuven@fee.uva.nl>
 */

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include <qlineedit.h>
#include <qpushbutton.h>
#include <qcheckbox.h>
#include <qradiobutton.h>
#include <qcombobox.h>
#include <qgroupbox.h>
#include <qbuttongroup.h>
#include <qlabel.h>

#include "lengthcombo.h"

#include "QGraphicsDialog.h"
#include "QGraphics.h"
#include "Qt2BC.h"
#include "gettext.h"
#include "debug.h"

#include "QtLyXView.h"
#include "ControlGraphics.h"

#include "support/lstrings.h"
#include "support/FileInfo.h"
#include "support/filetools.h"  // for MakeAbsPath etc
#include "insets/insetgraphicsParams.h"
#include "lyxrc.h" // for lyxrc.display_graphics


typedef Qt2CB<ControlGraphics, Qt2DB<QGraphicsDialog> > base_class;

QGraphics::QGraphics(ControlGraphics & c)
	: base_class(c, _("Graphics"))
{
}


void QGraphics::build_dialog()
{
	dialog_.reset(new QGraphicsDialog(this));

	bc().setOK(dialog_->okPB);
	bc().setApply(dialog_->applyPB);
	bc().setCancel(dialog_->closePB);
	bc().setRestore(dialog_->restorePB);

	bc().addReadOnly(dialog_->rotateGB);
	bc().addReadOnly(dialog_->latexoptionsGB);
	bc().addReadOnly(dialog_->bbGB);
	bc().addReadOnly(dialog_->sizeBG);
	bc().addReadOnly(dialog_->displayGB);
	bc().addReadOnly(dialog_->subfigure);
	bc().addReadOnly(dialog_->subcaption);
	bc().addReadOnly(dialog_->filenameL);
	bc().addReadOnly(dialog_->filename);
	bc().addReadOnly(dialog_->browsePB);
}

void QGraphics::update_contents()
{
	InsetGraphicsParams & igp = controller().params();

	string unit = "cm";
	if (lyxrc.default_papersize < 3)
	    unit = "in";
	string const defaultUnit = string(unit);

	// Update dialog with details from inset
	dialog_->filename->setText(igp.filename.c_str());

	// set the bounding box values, if exists. First we need the whole
	// path, because the controller knows nothing about the doc-dir
	controller().bbChanged = false;
	if (igp.bb.empty()) {
		string const fileWithAbsPath = MakeAbsPath(igp.filename, OnlyPath(igp.filename));
		string bb = controller().readBB(fileWithAbsPath);
		if (!bb.empty()) {
			// get the values from the file
			// in this case we always have the point-unit
			dialog_->lbX->setText(token(bb,' ',0).c_str());
			dialog_->lbY->setText(token(bb,' ',1).c_str());
			dialog_->rtX->setText(token(bb,' ',2).c_str());
			dialog_->rtY->setText(token(bb,' ',3).c_str());
		}
	} else {
		// get the values from the inset
		controller().bbChanged = true;
		dialog_->lbX->setText(token(igp.bb,' ',0).c_str());
		dialog_->lbY->setText(token(igp.bb,' ',1).c_str());
		dialog_->rtX->setText(token(igp.bb,' ',2).c_str());
		dialog_->rtY->setText(token(igp.bb,' ',3).c_str());
	}

	// Update the draft and clip mode
	dialog_->draft->setChecked(igp.draft);
	dialog_->clip->setChecked(igp.clip);

	// Update the subcaption check button and input field
	dialog_->subfigure->setChecked(igp.subcaption);
	dialog_->subcaption->setText(igp.subcaptionText.c_str());

	switch (igp.display) {
	    case InsetGraphicsParams::MONOCHROME: {
		    dialog_->show->setCurrentItem(0);
		    break;
	    }
	    case InsetGraphicsParams::GRAYSCALE: {
		    dialog_->show->setCurrentItem(1);
		    break;
	    }
	    case InsetGraphicsParams::COLOR: {
		    dialog_->show->setCurrentItem(2);
		    break;
	    }
	    case InsetGraphicsParams::NONE: {
		    dialog_->show->setCurrentItem(3);
		    break;
	    }
	}

	dialog_->widthUnit->setCurrentItem(igp.width.unit());
	dialog_->heightUnit->setCurrentItem(igp.height.unit());

	switch (igp.size_type) {
	    case InsetGraphicsParams::DEFAULT_SIZE: {
		    dialog_->defaultRB->setChecked(TRUE);
		    break;
	    }
	    case InsetGraphicsParams::WH: {
		    dialog_->customRB->setChecked(TRUE);
		    break;
	    }
	    case InsetGraphicsParams::SCALE: {
		    dialog_->scaleRB->setChecked(TRUE);
		    dialog_->scale->setText(tostr(igp.scale).c_str());
		    break;
	    }
	}

	// aspect ratio
	dialog_->aspectratio->setChecked(igp.keepAspectRatio);

	// now the lyx-internally viewsize
	dialog_->displaywidthUnit->setCurrentItem(igp.lyxwidth.unit());
	dialog_->displayheightUnit->setCurrentItem(igp.lyxheight.unit());

	// Update the rotate angle
	dialog_->angle->setText(tostr(igp.rotateAngle).c_str());

	if (igp.rotateOrigin.empty()) {
		dialog_->origin->setCurrentItem(0);
	} else {
		//fl_set_choice_text(special_->choice_origin,igp.rotateOrigin.c_str());
	}


	// latex options
	dialog_->latexoptions->setText(igp.special.c_str());
}


void QGraphics::apply()
{
	// Create the parameters structure and fill the data from the dialog.
	InsetGraphicsParams & igp = controller().params();

	igp.filename = dialog_->filename->text();

	if (!controller().bbChanged)	// different to the original one?
		igp.bb = string();	// don't write anything
	else {
		string bb;
		string lbX(dialog_->lbX->text());
		string lbY(dialog_->lbY->text());
		string rtX(dialog_->rtX->text());
		string rtY(dialog_->rtY->text());

		if (lbX.empty())
			bb = "0 ";
		else
			bb = lbX + " ";
		if (lbY.empty())
			bb += "0 ";
		else
			bb += (lbY + " ");
		if (rtX.empty())
			bb += "0 ";
		else
			bb += (rtX + " ");
		if (rtY.empty())
			bb += "0 ";
		else
			bb += (rtY + " ");

		igp.bb = bb;
	}

	igp.draft = dialog_->draft->isChecked();

	igp.clip = dialog_->clip->isChecked();

	igp.subcaption = dialog_->subfigure->isChecked();

	igp.subcaptionText = dialog_->subcaption->text();

	switch(dialog_->show->currentItem()) {
		case 0: igp.display = InsetGraphicsParams::MONOCHROME; break;
		case 1: igp.display = InsetGraphicsParams::GRAYSCALE; break;
		case 2: igp.display = InsetGraphicsParams::COLOR; break;
		case 3: igp.display = InsetGraphicsParams::NONE; break;
		default:;
	}

	if (dialog_->defaultRB->isChecked())
	    igp.size_type = InsetGraphicsParams::DEFAULT_SIZE;
	else if (dialog_->customRB->isChecked())
	    igp.size_type = InsetGraphicsParams::WH;
	else
	    igp.size_type = InsetGraphicsParams::SCALE;

	string value(dialog_->width->text());
	igp.width = LyXLength(strToDbl(value), dialog_->widthUnit->currentLengthItem());

	value = string(dialog_->height->text());
	igp.height = LyXLength(strToDbl(value), dialog_->heightUnit->currentLengthItem());

	value = string(dialog_->displaywidth->text());
	igp.lyxwidth = LyXLength(strToDbl(value), dialog_->displaywidthUnit->currentLengthItem());

	value = string(dialog_->displayheight->text());
	igp.lyxheight = LyXLength(strToDbl(value), dialog_->displayheightUnit->currentLengthItem());

	igp.scale = strToInt(string(dialog_->scale->text()));

	igp.keepAspectRatio = dialog_->aspectratio->isChecked();

	igp.rotateAngle = strToDbl(string(dialog_->angle->text()));

	while (igp.rotateAngle < 0.0 || igp.rotateAngle > 360.0) {
		if (igp.rotateAngle < 0.0) {
			igp.rotateAngle += 360.0;
		} else if (igp.rotateAngle > 360.0) {
			igp.rotateAngle -= 360.0;
		}
	}

	if ((dialog_->origin->currentItem()) > 0)
		igp.rotateOrigin = dialog_->origin->currentText();
	else
	    igp.rotateOrigin = string();

	igp.special = dialog_->latexoptions->text();

}


void QGraphics::browse()
{
	string const & name = controller().Browse(dialog_->filename->text().latin1());
	if (!name.empty())
		dialog_->filename->setText(name.c_str());
}

void QGraphics::get()
{
    string const filename(dialog_->filename->text());
    if (!filename.empty()) {
	string const fileWithAbsPath = MakeAbsPath(filename, OnlyPath(filename));
	string bb = controller().readBB(fileWithAbsPath);
	if (!bb.empty()) {
		dialog_->lbX->setText(token(bb,' ',0).c_str());
		dialog_->lbY->setText(token(bb,' ',1).c_str());
		dialog_->rtX->setText(token(bb,' ',2).c_str());
		dialog_->rtY->setText(token(bb,' ',3).c_str());
	}
	controller().bbChanged = false;
    }
}


bool QGraphics::isValid()
{
	return !string(dialog_->filename->text().latin1()).empty();
}