/**
 * \file QTabular.C
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author John Levon
 * \author Juergen Spitzmueller
 * \author Herbert Voss
 *
 * Full author contact details are available in file CREDITS
 */

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

#include "ControlTabular.h"
#include "insets/insettabular.h"
#include "gettext.h"
#include "support/lstrings.h"
#include "lyxrc.h"

#include "QTabularDialog.h"
#include "QTabular.h"
#include "Qt2BC.h"

#include <qpushbutton.h>
#include <qlineedit.h>
#include <qcheckbox.h>
#include "lengthcombo.h"
#include "qsetborder.h"
 
typedef Qt2CB<ControlTabular, Qt2DB<QTabularDialog> > base_class;

QTabular::QTabular()
	: base_class(_("LyX: Edit Table"))
{
}


void QTabular::build_dialog()
{
	dialog_.reset(new QTabularDialog(this));

	bc().setCancel(dialog_->closePB);
}


bool QTabular::isValid()
{
	return true;
}


void QTabular::update_borders()
{
	LyXTabular * tabular(controller().tabular());
	int cell(controller().inset()->getActCell());
 
	if (controller().isMulticolumnCell()) {
		dialog_->borders->setTop(tabular->TopLine(cell)?1:0);
		dialog_->borders->setBottom(tabular->BottomLine(cell)?1:0);
		// pay attention to left/right lines: they are only allowed
		// to set if we are in first/last cell of row or if the left/right
		// cell is also a multicolumn.
		if (tabular->IsFirstCellInRow(cell) || tabular->IsMultiColumn(cell-1)) {
			dialog_->borders->setLeft(tabular->LeftLine(cell)?1:0);
			// FIXME: setEnabled(cell_options_->check_border_left, true);
		} else {
			dialog_->borders->setLeft(false);
			// FIXME: setEnabled(cell_options_->check_border_left, false);
		}
		if (tabular->IsLastCellInRow(cell) || tabular->IsMultiColumn(cell+1)) {
			dialog_->borders->setRight(tabular->RightLine(cell)?1:0);
			// FIXME: setEnabled(cell_options_->check_border_right, true);
		} else {
			dialog_->borders->setRight(false);
			// FIXME: setEnabled(cell_options_->check_border_right, false);
		}
	} else {
		dialog_->borders->setTop(tabular->TopLine(cell, true));
		dialog_->borders->setBottom(tabular->BottomLine(cell, true));
		dialog_->borders->setLeft(tabular->LeftLine(cell, true));
		dialog_->borders->setRight(tabular->RightLine(cell, true));
	}
}


void QTabular::update_contents()
{
	LyXTabular * tabular(controller().tabular());
	int cell(controller().inset()->getActCell());

	int row(tabular->row_of_cell(cell));
	int col(tabular->column_of_cell(cell));
 
	dialog_->tabularRowED->setText(tostr(row + 1).c_str());
	dialog_->tabularColumnED->setText(tostr(col + 1).c_str());

	bool const multicol(controller().isMulticolumnCell());

	dialog_->multicolumnCB->setChecked(multicol);

	dialog_->rotateCellCB->setChecked(tabular->GetRotateCell(cell));
	dialog_->rotateTabularCB->setChecked(tabular->GetRotateTabular());

	dialog_->longTabularCB->setChecked(tabular->IsLongTabular());

	update_borders();

	LyXLength pwidth;
	string special;
	
	if (multicol) {
		special = tabular->GetAlignSpecial(cell, LyXTabular::SET_SPECIAL_MULTI);
		pwidth = tabular->GetMColumnPWidth(cell);
	} else {
		special = tabular->GetAlignSpecial(cell, LyXTabular::SET_SPECIAL_COLUMN);
		pwidth = tabular->GetColumnPWidth(cell);
	}
	
	dialog_->specialAlignmentED->setText(special.c_str());

	bool const isReadonly = bc().bp().isReadOnly();
	dialog_->specialAlignmentED->setEnabled(!isReadonly);

	LyXLength::UNIT default_unit = controller().metric() ? LyXLength::CM : LyXLength::CM;
	if (!pwidth.zero()) {
		dialog_->widthED->setText(tostr(pwidth.value()).c_str());
		dialog_->widthUnit->setCurrentItem(pwidth.unit());
	} else {
		dialog_->widthED->setText("");
		dialog_->widthUnit->setCurrentItem(default_unit);
	}
	dialog_->widthED->setEnabled(!isReadonly);
	dialog_->widthUnit->setEnabled(!isReadonly);

	int align = 0;
	switch(tabular->GetAlignment(cell)) {
	case LYX_ALIGN_LEFT:
		align = 1;
		break;
	case LYX_ALIGN_CENTER:
		align = 2;
		break;
	case LYX_ALIGN_RIGHT:
		align = 3;
		break;
	default:
		align = 0;
		break;
	}
	dialog_->hAlignCB->setCurrentItem(align);

	int valign = 0;
	switch(tabular->GetVAlignment(cell)) {
	case LyXTabular::LYX_VALIGN_TOP:
		valign = 0;
		break;
	case LyXTabular::LYX_VALIGN_CENTER:
		valign = 1;
		break;
	case LyXTabular::LYX_VALIGN_BOTTOM:
		valign = 2;
		break;
	default:
		valign = 1;
		break;
	}
	if (pwidth.zero())
		valign = 1;
	dialog_->vAlignCB->setCurrentItem(valign);

	dialog_->hAlignCB->setEnabled(true);
	dialog_->vAlignCB->setEnabled(!pwidth.zero());

	if (tabular->IsLongTabular()) {
		LyXTabular::ltType ltt;
		bool use_empty;
		bool row_set = tabular->GetRowOfLTHead(row, ltt);
		dialog_->headerStatusCB->setChecked(row_set);
		if (ltt.set) {
			dialog_->headerBorderAboveCB->setChecked(ltt.topDL);
			dialog_->headerBorderBelowCB->setChecked(ltt.bottomDL);
			use_empty = true;
		} else {
			dialog_->headerBorderAboveCB->setChecked(false);
			dialog_->headerBorderBelowCB->setChecked(false);
			dialog_->headerBorderAboveCB->setEnabled(false);
			dialog_->headerBorderBelowCB->setEnabled(false);
			dialog_->firstheaderNoContentsCB->setChecked(false);
			dialog_->firstheaderNoContentsCB->setEnabled(false);
			use_empty = false;
		}
		//
		row_set = tabular->GetRowOfLTFirstHead(row, ltt);
		dialog_->firstheaderStatusCB->setChecked(row_set);
		if (ltt.set && (!ltt.empty || !use_empty)) {
			dialog_->firstheaderBorderAboveCB->setChecked(ltt.topDL);
			dialog_->firstheaderBorderBelowCB->setChecked(ltt.bottomDL);
		} else {
			dialog_->firstheaderBorderAboveCB->setEnabled(false);
			dialog_->firstheaderBorderBelowCB->setEnabled(false);
			dialog_->firstheaderBorderAboveCB->setChecked(false);
			dialog_->firstheaderBorderBelowCB->setChecked(false);
			if (use_empty) {
				dialog_->firstheaderNoContentsCB->setChecked(ltt.empty);
				if (ltt.empty)
					dialog_->firstheaderStatusCB->setEnabled(false);
			}
		}
		//
		row_set = tabular->GetRowOfLTFoot(row, ltt);
		dialog_->footerStatusCB->setChecked(row_set);
		if (ltt.set) {
			dialog_->footerBorderAboveCB->setChecked(ltt.topDL);
			dialog_->footerBorderBelowCB->setChecked(ltt.bottomDL);
			use_empty = true;
		} else {
			dialog_->footerBorderAboveCB->setChecked(false);
			dialog_->footerBorderBelowCB->setChecked(false);
			dialog_->footerBorderAboveCB->setEnabled(false);
			dialog_->footerBorderBelowCB->setEnabled(false);
			dialog_->lastfooterNoContentsCB->setChecked(false);
			dialog_->lastfooterNoContentsCB->setEnabled(false);
			use_empty = false;
		}
		//
		row_set = tabular->GetRowOfLTLastFoot(row, ltt);
		dialog_->lastfooterStatusCB->setChecked(row_set);
		if (ltt.set && (!ltt.empty || !use_empty)) {
			dialog_->lastfooterBorderAboveCB->setChecked(ltt.topDL);
			dialog_->lastfooterBorderBelowCB->setChecked(ltt.bottomDL);
		} else {
			dialog_->lastfooterBorderAboveCB->setEnabled(false);
			dialog_->lastfooterBorderBelowCB->setEnabled(false);
			dialog_->lastfooterBorderAboveCB->setChecked(false);
			dialog_->lastfooterBorderBelowCB->setChecked(false);
			if (use_empty) {
				dialog_->lastfooterNoContentsCB->setChecked(ltt.empty);
				if (ltt.empty)
					dialog_->lastfooterStatusCB->setEnabled(false);
			}
		}
		dialog_->newpageCB->setChecked(tabular->GetLTNewPage(row));
	} else {
		dialog_->headerStatusCB->setChecked(false);
		dialog_->headerBorderAboveCB->setChecked(false);
		dialog_->headerBorderBelowCB->setChecked(false);
		dialog_->firstheaderStatusCB->setChecked(false);
		dialog_->firstheaderBorderAboveCB->setChecked(false);
		dialog_->firstheaderBorderBelowCB->setChecked(false);
		dialog_->firstheaderNoContentsCB->setChecked(false);
		dialog_->footerStatusCB->setChecked(false);
		dialog_->footerBorderAboveCB->setChecked(false);
		dialog_->footerBorderBelowCB->setChecked(false);
		dialog_->lastfooterStatusCB->setChecked(false);
		dialog_->lastfooterBorderAboveCB->setChecked(false);
		dialog_->lastfooterBorderBelowCB->setChecked(false);
		dialog_->lastfooterNoContentsCB->setChecked(false);
		dialog_->newpageCB->setChecked(false);
	}
}

void QTabular::closeGUI()
{
	// ugly hack to auto-apply the stuff that hasn't been
	// yet. don't let this continue to exist ...

	InsetTabular * inset(controller().inset());
	LyXTabular * tabular(controller().tabular());

	// apply the fixed width values
	int cell = inset->getActCell();
	string str1 = LyXLength(dialog_->widthED->text().toDouble(),
			dialog_->widthUnit->currentLengthItem()).asString();
	string str2;
	LyXLength llen(tabular->GetColumnPWidth(cell));
	if (llen.zero())
		str2 = "";
	else
		str2 = llen.asString();
	if (str1 != str2) {
		if (controller().isMulticolumnCell())
			controller().set(LyXTabular::SET_MPWIDTH, str1);
		else
			controller().set(LyXTabular::SET_PWIDTH, str1);
	}

	// apply the special alignment
	str1 = dialog_->specialAlignmentED->text().latin1();
	if (controller().isMulticolumnCell())
		str2 = tabular->GetAlignSpecial(cell, LyXTabular::SET_SPECIAL_MULTI);
	else
		str2 = tabular->GetAlignSpecial(cell, LyXTabular::SET_SPECIAL_COLUMN);
	if (str1 != str2) {
		if (controller().isMulticolumnCell())
			controller().set(LyXTabular::SET_SPECIAL_MULTI, str1);
		else
			controller().set(LyXTabular::SET_SPECIAL_COLUMN, str1);
	}
}
#if 0
// the unported rest...
// not shure if and where this is needed (JSpitzm)
ButtonPolicy::SMInput FormTabular::input(FL_OBJECT * ob, long)
{
	InsetTabular * inset(controller().inset());
	LyXTabular * tabular(controller().tabular());

	int cell = inset->getActCell();

	FIXME: Where to place?
	if (actCell_ != cell) {
		update();
		postWarning(_("Wrong Cursor position, updated window"));
		return ButtonPolicy::SMI_VALID;
	}

	FIXME: Necessary in QT?
	// No point in processing directives that you can't do anything with
	// anyhow, so exit now if the buffer is read-only.
	if (bc().bp().isReadOnly()) {
		update();
		return ButtonPolicy::SMI_VALID;
	}

}
#endif