path: root/widgets/table/e-table-utils.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-table-utils.c
 * Copyright 2000, 2001, Ximian, Inc.
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License, version 2, as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#include <config.h>
#include "gal/util/e-i18n.h"
#include "gal/util/e-util.h"
#include "gal/widgets/e-unicode.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,
            const char                *domain)
{
    ETableCol *col = NULL;
    ECell *cell = NULL;
    GCompareFunc compare = NULL;
    ETableSearchFunc search = NULL;

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

    if (cell && compare) {
        char *title = dgettext (domain, col_spec->title);

        title = e_utf8_from_locale_string (title);

        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, title,
                    pixbuf, col_spec->expansion,
                    col_spec->minimum_width,
                    cell, compare, col_spec->resizable, col_spec->disabled, col_spec->priority);
            }
        }
        if (col == NULL && col_spec->title && *col_spec->title) {
            col = e_table_col_new (
                col_spec->model_col, title,
                col_spec->expansion, col_spec->minimum_width,
                cell, compare, col_spec->resizable, col_spec->disabled, col_spec->priority);
        }
        col->search = search;

        g_free (title);
    }
    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, spec->domain);

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

    return nh;
}

static gboolean
check_col (ETableCol *col, gpointer user_data)
{
    return col->search ? TRUE : FALSE;
}

ETableCol *
e_table_util_calculate_current_search_col (ETableHeader *header, ETableHeader *full_header, ETableSortInfo *sort_info, gboolean always_search)
{
    int i;
    int count;
    ETableCol *col = NULL;
    count = e_table_sort_info_grouping_get_count (sort_info);
    for (i = 0; i < count; i++) {
        ETableSortColumn column = e_table_sort_info_grouping_get_nth(sort_info, i);

        col = e_table_header_get_column (full_header, column.column);

        if (col && col->search)
            break;

        col = NULL;
    }

    if (col == NULL) {
        count = e_table_sort_info_sorting_get_count (sort_info);
        for (i = 0; i < count; i++) {
            ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, i);

            col = e_table_header_get_column (full_header, column.column);

            if (col && col->search)
                break;

            col = NULL;
        }
    }

    if (col == NULL && always_search) {
        col = e_table_header_prioritized_column_selected (header, check_col, NULL);
    }

    return col;
}