/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * e-table.utils.c: Utilities for ETable.
 *
 * Author:
 *   Chris Lahey <clahey@ximian.com>
 *
 * Copyright 2001, Ximian, Inc
 */

#include <config.h>
#include "gal/util/e-i18n.h"
#include "e-table-utils.h"
#include "e-table-header-utils.h"

ETableHeader *
e_table_state_to_header (GtkWidget *widget, ETableHeader *full_header, ETableState *state)
{
	ETableHeader *nh;
	const int max_cols = e_table_header_count (full_header);
	int column;

	g_return_val_if_fail (widget, NULL);
	g_return_val_if_fail (full_header, NULL);
	g_return_val_if_fail (state, NULL);

	nh = e_table_header_new ();

	gtk_object_set(GTK_OBJECT(nh),
		       "width_extras", e_table_header_width_extras(widget->style),
		       NULL);

	for (column = 0; column < state->col_count; column++) {
		int col;
		double expansion;
		ETableCol *table_col;

		col = state->columns[column];
		expansion = state->expansions[column];

		if (col >= max_cols)
			continue;

		table_col = e_table_header_get_column (full_header, col);

		if (expansion >= -1)
			table_col->expansion = expansion;

		e_table_header_add_column (nh, table_col, -1);
	}

	return nh;
}

static ETableCol *
et_col_spec_to_col (ETableColumnSpecification *col_spec,
		    ETableExtras              *ete)
{
	ETableCol *col = NULL;
	ECell *cell;
	GCompareFunc compare;

	cell = e_table_extras_get_cell(ete, col_spec->cell);
	compare = e_table_extras_get_compare(ete, col_spec->compare);

	if (cell && compare) {
		if (col_spec->pixbuf && *col_spec->pixbuf) {
			GdkPixbuf *pixbuf;

			pixbuf = e_table_extras_get_pixbuf(
				ete, col_spec->pixbuf);
			if (pixbuf) {
				col = e_table_col_new_with_pixbuf (
					col_spec->model_col, gettext (col_spec->title),
					pixbuf, col_spec->expansion,
					col_spec->minimum_width,
					cell, compare, col_spec->resizable);
			}
		}
		if (col == NULL && col_spec->title && *col_spec->title) {
			col = e_table_col_new (
				col_spec->model_col, gettext (col_spec->title),
				col_spec->expansion, col_spec->minimum_width,
				cell, compare, col_spec->resizable);
		}
	}
	return col;
}

ETableHeader *
e_table_spec_to_full_header (ETableSpecification *spec,
			     ETableExtras        *ete)
{
	ETableHeader *nh;
	int column;

	g_return_val_if_fail (spec, NULL);
	g_return_val_if_fail (ete, NULL);

	nh = e_table_header_new ();

	for (column = 0; spec->columns[column]; column++) {
		ETableCol *col = et_col_spec_to_col (
			spec->columns[column], ete);

		if (col)
			e_table_header_add_column (nh, col, -1);
	}

	return nh;
}