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/*
 *
 * Evolution calendar - 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>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef E_CAL_MODEL_H
#define E_CAL_MODEL_H

#include <table/e-table-model.h>
#include <libecal/e-cal.h>
#include "e-cell-date-edit-text.h"

G_BEGIN_DECLS

#define E_TYPE_CAL_MODEL            (e_cal_model_get_type ())
#define E_CAL_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_TYPE_CAL_MODEL, ECalModel))
#define E_CAL_MODEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), E_TYPE_CAL_MODEL, ECalModelClass))
#define E_IS_CAL_MODEL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_TYPE_CAL_MODEL))
#define E_IS_CAL_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), E_TYPE_CAL_MODEL))

typedef struct _ECalModelPrivate ECalModelPrivate;

typedef enum {
    /* If you add new items here or reorder them, you have to update the
       .etspec files for the tables using this model */
    E_CAL_MODEL_FIELD_CATEGORIES,
    E_CAL_MODEL_FIELD_CLASSIFICATION,
    E_CAL_MODEL_FIELD_COLOR,            /* not a real field */
    E_CAL_MODEL_FIELD_COMPONENT,        /* not a real field */
    E_CAL_MODEL_FIELD_DESCRIPTION,
    E_CAL_MODEL_FIELD_DTSTART,
    E_CAL_MODEL_FIELD_HAS_ALARMS,       /* not a real field */
    E_CAL_MODEL_FIELD_ICON,             /* not a real field */
    E_CAL_MODEL_FIELD_SUMMARY,
    E_CAL_MODEL_FIELD_UID,
    E_CAL_MODEL_FIELD_LAST
} ECalModelField;

typedef enum {
    E_CAL_MODEL_FLAGS_INVALID            = -1,
    E_CAL_MODEL_FLAGS_EXPAND_RECURRENCES = 0x01
} ECalModelFlags;

#define E_TYPE_CAL_MODEL_COMPONENT            (e_cal_model_component_get_type ())
#define E_CAL_MODEL_COMPONENT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_TYPE_CAL_MODEL_COMPONENT, ECalModelComponent))
#define E_CAL_MODEL_COMPONENT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), E_TYPE_CAL_MODEL_COMPONENT,    \
                       ECalComponentClass))
#define E_IS_CAL_MODEL_COMPONENT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_TYPE_CAL_MODEL_COMPONENT))
#define E_IS_CAL_MODEL_COMPONENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), E_TYPE_CAL_MODEL_COMPONENT))

typedef struct _ECalModelComponent ECalModelComponent;
typedef struct _ECalModelComponentClass ECalModelComponentClass;
typedef struct _ECalModelComponentPrivate ECalModelComponentPrivate;

struct _ECalModelComponent {
    GObject object;

    ECal *client;
    icalcomponent *icalcomp;
    time_t instance_start;
    time_t instance_end;
    
    /* Private data used by ECalModelCalendar and ECalModelTasks */
    /* keep these public to avoid many accessor functions */
    ECellDateEditValue *dtstart;
    ECellDateEditValue *dtend;
    ECellDateEditValue *due;
    ECellDateEditValue *completed;
    gchar *color;

    ECalModelComponentPrivate *priv;
};

struct _ECalModelComponentClass {
    GObjectClass parent_class;
};

typedef struct {
    ECalModelComponent *comp_data;
    gpointer cb_data;
} ECalModelGenerateInstancesData;

typedef struct _ECalModel {
    ETableModel model;
    ECalModelPrivate *priv;
} ECalModel;

typedef struct {
    ETableModelClass parent_class;

    /* virtual methods */
    const gchar * (* get_color_for_component) (ECalModel *model, ECalModelComponent *comp_data);
    void          (* fill_component_from_model) (ECalModel *model, ECalModelComponent *comp_data,
                             ETableModel *source_model, gint row);

    /* Signals */
    void (* time_range_changed) (ECalModel *model, time_t start, time_t end);
    void (* row_appended) (ECalModel *model);
    void (* comps_deleted) (ECalModel *model, gpointer list);
    void (* cal_view_progress) (ECalModel *model, const char *message, int progress, ECalSourceType type);
    void (* cal_view_done) (ECalModel *model, ECalendarStatus status, ECalSourceType type);
} ECalModelClass;

typedef time_t (*ECalModelDefaultTimeFunc)(ECalModel *model, gpointer user_data);

GType               e_cal_model_get_type                       (void);
GType           e_cal_model_component_get_type         (void);
icalcomponent_kind  e_cal_model_get_component_kind             (ECalModel           *model);
void                e_cal_model_set_component_kind             (ECalModel           *model,
                                icalcomponent_kind   kind);
ECalModelFlags      e_cal_model_get_flags                      (ECalModel           *model);
void                e_cal_model_set_flags                      (ECalModel           *model,
                                ECalModelFlags       flags);
icaltimezone       *e_cal_model_get_timezone                   (ECalModel           *model);
void                e_cal_model_set_timezone                   (ECalModel           *model,
                                icaltimezone        *zone);
void                e_cal_model_set_default_category           (ECalModel           *model,
                                const gchar         *default_cat);
gboolean            e_cal_model_get_use_24_hour_format         (ECalModel           *model);
void                e_cal_model_set_use_24_hour_format         (ECalModel           *model,
                                gboolean             use24);
ECal               *e_cal_model_get_default_client             (ECalModel           *model);
void                e_cal_model_set_default_client             (ECalModel           *model,
                                ECal                *client);
GList              *e_cal_model_get_client_list                (ECalModel           *model);
ECal               *e_cal_model_get_client_for_uri             (ECalModel           *model,
                                const char          *uri);
void                e_cal_model_add_client                     (ECalModel           *model,
                                ECal                *client);
void                e_cal_model_remove_client                  (ECalModel           *model,
                                ECal                *client);
void                e_cal_model_remove_all_clients             (ECalModel           *model);
void                e_cal_model_get_time_range                 (ECalModel           *model,
                                time_t              *start,
                                time_t              *end);
void                e_cal_model_set_time_range                 (ECalModel           *model,
                                time_t               start,
                                time_t               end);
const char         *e_cal_model_get_search_query               (ECalModel           *model);
void                e_cal_model_set_search_query               (ECalModel           *model,
                                const gchar         *sexp);
icalcomponent      *e_cal_model_create_component_with_defaults (ECalModel           *model);
const gchar        *e_cal_model_get_color_for_component        (ECalModel           *model,
                                ECalModelComponent  *comp_data);
gboolean            e_cal_model_get_rgb_color_for_component    (ECalModel           *model,
                                ECalModelComponent  *comp_data,
                                double              *red,
                                double              *green,
                                double              *blue);
ECalModelComponent *e_cal_model_get_component_at               (ECalModel           *model,
                                gint                 row);
ECalModelComponent *e_cal_model_get_component_for_uid          (ECalModel           *model,
                                const ECalComponentId *id);
gchar              *e_cal_model_date_value_to_string           (ECalModel           *model,
                                const void          *value);
ECalModelComponent *e_cal_model_copy_component_data            (ECalModelComponent  *comp_data);
void                e_cal_model_free_component_data            (ECalModelComponent  *comp_data);
void                e_cal_model_generate_instances             (ECalModel           *model,
                                time_t               start,
                                time_t               end,
                                ECalRecurInstanceFn  cb,
                                gpointer             cb_data);
GPtrArray * e_cal_model_get_object_array (ECalModel *model);
void e_cal_model_set_instance_times (ECalModelComponent *comp_data, const icaltimezone *zone);
void e_cal_model_set_search_query_with_time_range (ECalModel *model, const char *sexp, time_t start, time_t end);

gboolean e_cal_model_test_row_editable (ECalModel *model, int row);

void e_cal_model_set_default_time_func (ECalModel *model, ECalModelDefaultTimeFunc func, gpointer user_data);

G_END_DECLS

#endif