path: root/calendar/gui/e-cal-model-memos.c

/*
 * Evolution memos - Data model for ETable
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Rodrigo Moya <rodrigo@ximian.com>
 *      Nathan Owens <pianocomp81@yahoo.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <glib/gi18n.h>
#include "e-cal-model-memos.h"
#include "e-cell-date-edit-text.h"
#include "misc.h"

#define d(x) (x)

struct _ECalModelMemosPrivate {
    gint dummy;
};

static void e_cal_model_memos_finalize (GObject *object);

static gint ecmm_column_count (ETableModel *etm);
static gpointer ecmm_value_at (ETableModel *etm, gint col, gint row);
static void ecmm_set_value_at (ETableModel *etm, gint col, gint row, gconstpointer value);
static gboolean ecmm_is_cell_editable (ETableModel *etm, gint col, gint row);
static gpointer ecmm_duplicate_value (ETableModel *etm, gint col, gconstpointer value);
static void ecmm_free_value (ETableModel *etm, gint col, gpointer value);
static gpointer ecmm_initialize_value (ETableModel *etm, gint col);
static gboolean ecmm_value_is_empty (ETableModel *etm, gint col, gconstpointer value);
static gchar *ecmm_value_to_string (ETableModel *etm, gint col, gconstpointer value);

static void ecmm_fill_component_from_model (ECalModel *model, ECalModelComponent *comp_data,
                        ETableModel *source_model, gint row);

G_DEFINE_TYPE (ECalModelMemos, e_cal_model_memos, E_TYPE_CAL_MODEL)

static void
e_cal_model_memos_class_init (ECalModelMemosClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    ETableModelClass *etm_class = E_TABLE_MODEL_CLASS (klass);
    ECalModelClass *model_class = E_CAL_MODEL_CLASS (klass);

    object_class->finalize = e_cal_model_memos_finalize;

    etm_class->column_count = ecmm_column_count;
    etm_class->value_at = ecmm_value_at;
    etm_class->set_value_at = ecmm_set_value_at;
    etm_class->is_cell_editable = ecmm_is_cell_editable;
    etm_class->duplicate_value = ecmm_duplicate_value;
    etm_class->free_value = ecmm_free_value;
    etm_class->initialize_value = ecmm_initialize_value;
    etm_class->value_is_empty = ecmm_value_is_empty;
    etm_class->value_to_string = ecmm_value_to_string;

    model_class->fill_component_from_model = ecmm_fill_component_from_model;
}

static void
e_cal_model_memos_init (ECalModelMemos *model)
{
    ECalModelMemosPrivate *priv;

    priv = g_new0 (ECalModelMemosPrivate, 1);
    model->priv = priv;

    e_cal_model_set_component_kind (E_CAL_MODEL (model), ICAL_VJOURNAL_COMPONENT);
}

static void
e_cal_model_memos_finalize (GObject *object)
{
    ECalModelMemosPrivate *priv;
    ECalModelMemos *model = (ECalModelMemos *) object;

    g_return_if_fail (E_IS_CAL_MODEL_MEMOS (model));

    priv = model->priv;
    if (priv) {
        g_free (priv);
        model->priv = NULL;
    }

    if (G_OBJECT_CLASS (e_cal_model_memos_parent_class)->finalize)
        G_OBJECT_CLASS (e_cal_model_memos_parent_class)->finalize (object);
}

/* ETableModel methods */
static gint
ecmm_column_count (ETableModel *etm)
{
    return E_CAL_MODEL_MEMOS_FIELD_LAST;
}

static gpointer
ecmm_value_at (ETableModel *etm, gint col, gint row)
{
    ECalModelComponent *comp_data;
    ECalModelMemos *model = (ECalModelMemos *) etm;

    g_return_val_if_fail (E_IS_CAL_MODEL_MEMOS (model), NULL);

    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, NULL);
    g_return_val_if_fail (row >= 0 && row < e_table_model_row_count (etm), NULL);

    if (col < E_CAL_MODEL_FIELD_LAST)
        return E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->value_at (etm, col, row);

    comp_data = e_cal_model_get_component_at (E_CAL_MODEL (model), row);
    if (!comp_data)
        return (gpointer) "";

    return (gpointer) "";
}

static void
ecmm_set_value_at (ETableModel *etm, gint col, gint row, gconstpointer value)
{
    ECalModelComponent *comp_data;
    ECalModelMemos *model = (ECalModelMemos *) etm;

    g_return_if_fail (E_IS_CAL_MODEL_MEMOS (model));
    g_return_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST);
    g_return_if_fail (row >= 0 && row < e_table_model_row_count (etm));

    if (col < E_CAL_MODEL_FIELD_LAST) {
        E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->set_value_at (etm, col, row, value);
        return;
    }

    comp_data = e_cal_model_get_component_at (E_CAL_MODEL (model), row);
    if (!comp_data) {
        g_warning("couldn't get component data: row == %d", row);
        return;
    }

    /* TODO ask about mod type */
    if (!e_cal_modify_object (comp_data->client, comp_data->icalcomp, CALOBJ_MOD_ALL, NULL)) {
        g_warning (G_STRLOC ": Could not modify the object!");

        /* TODO Show error dialog */
    }
}

static gboolean
ecmm_is_cell_editable (ETableModel *etm, gint col, gint row)
{
    ECalModelMemos *model = (ECalModelMemos *) etm;
    gboolean retval = FALSE;

    g_return_val_if_fail (E_IS_CAL_MODEL_MEMOS (model), FALSE);
    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, FALSE);
    g_return_val_if_fail (row >= -1 || (row >= 0 && row < e_table_model_row_count (etm)), FALSE);

    if (!e_cal_model_test_row_editable (E_CAL_MODEL (etm), row))
        return FALSE;

    if (col < E_CAL_MODEL_FIELD_LAST)
        retval = E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->is_cell_editable (etm, col, row);

    return retval;
}

static gpointer
ecmm_duplicate_value (ETableModel *etm, gint col, gconstpointer value)
{
    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, NULL);

    if (col < E_CAL_MODEL_FIELD_LAST)
        return E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->duplicate_value (etm, col, value);

    return NULL;
}

static void
ecmm_free_value (ETableModel *etm, gint col, gpointer value)
{
    g_return_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST);

    if (col < E_CAL_MODEL_FIELD_LAST) {
        E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->free_value (etm, col, value);
        return;
    }
}

static gpointer
ecmm_initialize_value (ETableModel *etm, gint col)
{
    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, NULL);

    if (col < E_CAL_MODEL_FIELD_LAST)
        return E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->initialize_value (etm, col);

    return NULL;
}

static gboolean
ecmm_value_is_empty (ETableModel *etm, gint col, gconstpointer value)
{
    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, TRUE);

    if (col < E_CAL_MODEL_FIELD_LAST)
        return E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->value_is_empty (etm, col, value);

    return TRUE;
}

static gchar *
ecmm_value_to_string (ETableModel *etm, gint col, gconstpointer value)
{
    g_return_val_if_fail (col >= 0 && col < E_CAL_MODEL_MEMOS_FIELD_LAST, g_strdup (""));

    if (col < E_CAL_MODEL_FIELD_LAST)
        return E_TABLE_MODEL_CLASS (e_cal_model_memos_parent_class)->value_to_string (etm, col, value);

    return g_strdup ("");
}

/* ECalModel class methods */

static void
ecmm_fill_component_from_model (ECalModel *model, ECalModelComponent *comp_data,
                ETableModel *source_model, gint row)
{
    icaltimetype start;
    g_return_if_fail (E_IS_CAL_MODEL_MEMOS (model));
    g_return_if_fail (comp_data != NULL);
    g_return_if_fail (E_IS_TABLE_MODEL (source_model));

    start = icalcomponent_get_dtstart (comp_data->icalcomp);
    if (icaltime_compare_date_only (start, icaltime_null_time ()) == 0) {
        start = icaltime_today ();
        icalcomponent_set_dtstart (comp_data->icalcomp, start);
    }

}

/**
 * e_cal_model_memos_new
 */
ECalModel *
e_cal_model_memos_new (void)
{
    return g_object_new (E_TYPE_CAL_MODEL_MEMOS, NULL);
}