path: root/addressbook/gui/widgets/e-minicard.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-minicard.c
 * Copyright (C) 2000  Helix Code, Inc.
 * Author: Chris Lahey <clahey@helixcode.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU 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 <gnome.h>
#include "e-minicard.h"
#include "e-minicard-label.h"
#include "e-text.h"
#include <ebook/e-book.h>
#include <e-util/e-canvas.h>
#include <e-util/e-util.h>
#include <e-util/e-canvas-utils.h>
#include "e-contact-editor.h"
#include "e-minicard-view.h"

static void e_minicard_init     (EMinicard       *card);
static void e_minicard_class_init   (EMinicardClass  *klass);
static void e_minicard_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
static void e_minicard_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
static void e_minicard_destroy (GtkObject *object);
static gboolean e_minicard_event (GnomeCanvasItem *item, GdkEvent *event);
static void e_minicard_realize (GnomeCanvasItem *item);
static void e_minicard_unrealize (GnomeCanvasItem *item);
static void e_minicard_reflow ( GnomeCanvasItem *item, int flags );

static void e_minicard_resize_children( EMinicard *e_minicard );
static void remodel( EMinicard *e_minicard );

static GnomeCanvasGroupClass *parent_class = NULL;

typedef struct _EMinicardField EMinicardField;

struct _EMinicardField {
    ECardSimpleField field;
    GnomeCanvasItem *label;
};

#define E_MINICARD_FIELD(field) ((EMinicardField *)(field))

static void
e_minicard_field_destroy(EMinicardField *field)
{
    gtk_object_destroy(GTK_OBJECT(field->label));
    g_free(field);
}

/* The arguments we take */
enum {
    ARG_0,
    ARG_WIDTH,
    ARG_HEIGHT,
    ARG_HAS_FOCUS,
    ARG_CARD
};

GtkType
e_minicard_get_type (void)
{
  static GtkType minicard_type = 0;

  if (!minicard_type)
    {
      static const GtkTypeInfo minicard_info =
      {
        "EMinicard",
        sizeof (EMinicard),
        sizeof (EMinicardClass),
        (GtkClassInitFunc) e_minicard_class_init,
        (GtkObjectInitFunc) e_minicard_init,
        /* reserved_1 */ NULL,
        /* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL,
      };

      minicard_type = gtk_type_unique (gnome_canvas_group_get_type (), &minicard_info);
    }

  return minicard_type;
}

static void
e_minicard_class_init (EMinicardClass *klass)
{
  GtkObjectClass *object_class;
  GnomeCanvasItemClass *item_class;

  object_class = (GtkObjectClass*) klass;
  item_class = (GnomeCanvasItemClass *) klass;

  parent_class = gtk_type_class (gnome_canvas_group_get_type ());
  
  gtk_object_add_arg_type ("EMinicard::width", GTK_TYPE_DOUBLE, 
               GTK_ARG_READWRITE, ARG_WIDTH); 
  gtk_object_add_arg_type ("EMinicard::height", GTK_TYPE_DOUBLE, 
               GTK_ARG_READABLE, ARG_HEIGHT);
  gtk_object_add_arg_type ("EMinicard::has_focus", GTK_TYPE_ENUM,
               GTK_ARG_READWRITE, ARG_HAS_FOCUS);
  gtk_object_add_arg_type ("EMinicard::card", GTK_TYPE_OBJECT, 
               GTK_ARG_READWRITE, ARG_CARD);
 
  object_class->set_arg = e_minicard_set_arg;
  object_class->get_arg = e_minicard_get_arg;
  object_class->destroy = e_minicard_destroy;
  
  /* GnomeCanvasItem method overrides */
  item_class->realize     = e_minicard_realize;
  item_class->unrealize   = e_minicard_unrealize;
  item_class->event       = e_minicard_event;
}

static void
e_minicard_init (EMinicard *minicard)
{
  /*   minicard->card = NULL;*/
  minicard->rect = NULL;
  minicard->fields = NULL;
  minicard->width = 10;
  minicard->height = 10;
  minicard->has_focus = FALSE;
  
  minicard->card = NULL;
  minicard->simple = e_card_simple_new(NULL);

  e_canvas_item_set_reflow_callback(GNOME_CANVAS_ITEM(minicard), e_minicard_reflow);
}

static void
e_minicard_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
    GnomeCanvasItem *item;
    EMinicard *e_minicard;

    item = GNOME_CANVAS_ITEM (o);
    e_minicard = E_MINICARD (o);
    
    switch (arg_id){
    case ARG_WIDTH:
        if (e_minicard->width != GTK_VALUE_DOUBLE (*arg)) {
            e_minicard->width = GTK_VALUE_DOUBLE (*arg);
            e_minicard_resize_children(e_minicard);
            if ( GTK_OBJECT_FLAGS( e_minicard ) & GNOME_CANVAS_ITEM_REALIZED )
                e_canvas_item_request_reflow(item);
        }
      break;
    case ARG_HAS_FOCUS:
        if (e_minicard->fields) {
            if ( GTK_VALUE_ENUM(*arg) == E_FOCUS_START ||
                 GTK_VALUE_ENUM(*arg) == E_FOCUS_CURRENT) {
                gnome_canvas_item_set(E_MINICARD_FIELD(e_minicard->fields->data)->label,
                              "has_focus", GTK_VALUE_ENUM(*arg),
                              NULL);
            } else if ( GTK_VALUE_ENUM(*arg) == E_FOCUS_END ) {
                gnome_canvas_item_set(E_MINICARD_FIELD(g_list_last(e_minicard->fields)->data)->label,
                              "has_focus", GTK_VALUE_ENUM(*arg),
                              NULL);
            }
        }
        else
            e_canvas_item_grab_focus(item);
        break;
    case ARG_CARD:
        if (e_minicard->card)
            gtk_object_unref (GTK_OBJECT(e_minicard->card));
        e_minicard->card = E_CARD(GTK_VALUE_OBJECT (*arg));
        if (e_minicard->card)
            gtk_object_ref (GTK_OBJECT(e_minicard->card));
        gtk_object_set(GTK_OBJECT(e_minicard->simple),
                   "card", e_minicard->card,
                   NULL);
        remodel(e_minicard);
        e_canvas_item_request_reflow(item);
        break;
    }
}

static void
e_minicard_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
    EMinicard *e_minicard;

    e_minicard = E_MINICARD (object);

    switch (arg_id) {
    case ARG_WIDTH:
      GTK_VALUE_DOUBLE (*arg) = e_minicard->width;
      break;
    case ARG_HEIGHT:
      GTK_VALUE_DOUBLE (*arg) = e_minicard->height;
      break;
    case ARG_HAS_FOCUS:
        GTK_VALUE_ENUM (*arg) = e_minicard->has_focus ? E_FOCUS_CURRENT : E_FOCUS_NONE;
        break;
    case ARG_CARD:
        e_card_simple_sync_card(e_minicard->simple);
        GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(e_minicard->card);
        break;
    default:
      arg->type = GTK_TYPE_INVALID;
      break;
    }
}

static void
e_minicard_destroy (GtkObject *object)
{
    EMinicard *e_minicard;

    g_return_if_fail (object != NULL);
    g_return_if_fail (E_IS_MINICARD (object));

    e_minicard = E_MINICARD (object);
    
    g_list_foreach(e_minicard->fields, (GFunc) e_minicard_field_destroy, NULL);
    g_list_free(e_minicard->fields);

    if (e_minicard->card)
        gtk_object_unref (GTK_OBJECT(e_minicard->card));
    if (e_minicard->simple)
        gtk_object_unref (GTK_OBJECT(e_minicard->simple));

    if (GTK_OBJECT_CLASS (parent_class)->destroy)
        (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}

static void
e_minicard_realize (GnomeCanvasItem *item)
{
    EMinicard *e_minicard;
    GnomeCanvasGroup *group;

    e_minicard = E_MINICARD (item);
    group = GNOME_CANVAS_GROUP( item );

    if (GNOME_CANVAS_ITEM_CLASS(parent_class)->realize)
        (* GNOME_CANVAS_ITEM_CLASS(parent_class)->realize) (item);
    
    e_minicard->rect =
      gnome_canvas_item_new( group,
                 gnome_canvas_rect_get_type(),
                 "x1", (double) 0,
                 "y1", (double) 0,
                 "x2", (double) e_minicard->width - 1,
                 "y2", (double) e_minicard->height - 1,
                 "outline_color", NULL,
                 NULL );

    e_minicard->header_rect =
      gnome_canvas_item_new( group,
                 gnome_canvas_rect_get_type(),
                 "x1", (double) 2,
                 "y1", (double) 2,
                 "x2", (double) e_minicard->width - 3,
                 "y2", (double) e_minicard->height - 3,
                 "fill_color", "grey70",
                 NULL );

    e_minicard->header_text =
      gnome_canvas_item_new( group,
                 e_text_get_type(),
                 "anchor", GTK_ANCHOR_NW,
                 "width", (double) ( e_minicard->width - 12 ),
                 "clip", TRUE,
                 "use_ellipsis", TRUE,
                 "font", "lucidasans-bold-10",
                 "fill_color", "black",
                 "text", "",
                 NULL );
    e_canvas_item_move_absolute(e_minicard->header_text, 6, 6);

    remodel(e_minicard);
    e_canvas_item_request_reflow(item);

    if (!item->canvas->aa) {
    }
}

static void
e_minicard_unrealize (GnomeCanvasItem *item)
{
  EMinicard *e_minicard;

  e_minicard = E_MINICARD (item);

  if (!item->canvas->aa)
    {
    }

  if (GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize)
    (* GNOME_CANVAS_ITEM_CLASS(parent_class)->unrealize) (item);
}

static void
card_changed_cb (EBook* book, EBookStatus status, gpointer user_data)
{
    g_print ("%s: %s(): a card was changed\n", __FILE__, __FUNCTION__);
}

static gboolean
e_minicard_event (GnomeCanvasItem *item, GdkEvent *event)
{
    EMinicard *e_minicard;
    
    e_minicard = E_MINICARD (item);
    
    switch( event->type ) {
    case GDK_FOCUS_CHANGE:
        {
            GdkEventFocus *focus_event = (GdkEventFocus *) event;
            if ( focus_event->in ) {
                gnome_canvas_item_set( e_minicard->rect, 
                               "outline_color", "grey50", 
                               NULL );
                gnome_canvas_item_set( e_minicard->header_rect, 
                               "fill_color", "darkblue",
                               NULL );
                gnome_canvas_item_set( e_minicard->header_text, 
                               "fill_color", "white",
                               NULL );
                e_minicard->has_focus = TRUE;
            } else {
                EBook *book;
                
                e_card_simple_sync_card(e_minicard->simple);
                
                gtk_object_get(GTK_OBJECT(GNOME_CANVAS_ITEM(e_minicard)->parent),
                           "book", &book,
                           NULL);
                
                /* Add the card in the contact editor to our ebook */
                e_book_commit_card (book,
                            e_minicard->card,
                            card_changed_cb,
                            NULL);

                gnome_canvas_item_set( e_minicard->rect, 
                               "outline_color", NULL, 
                               NULL );
                gnome_canvas_item_set( e_minicard->header_rect, 
                               "fill_color", "grey70",
                               NULL );
                gnome_canvas_item_set( e_minicard->header_text, 
                               "fill_color", "black",
                               NULL );
                e_minicard->has_focus = FALSE;
            }
        }
        break;
    case GDK_BUTTON_PRESS:
        if (event->button.button == 1) {
            e_canvas_item_grab_focus(item);
        }
        break;
    case GDK_2BUTTON_PRESS:
        if (E_IS_MINICARD_VIEW(item->parent)) {
            gint result;
            GtkWidget* contact_editor =
                e_contact_editor_new(e_minicard->card);
            EBook *book;
            GtkWidget *dlg;
            gtk_object_get(GTK_OBJECT(item->parent),
                       "book", &book,
                       NULL);
            
            dlg = gnome_dialog_new ("Contact Editor", "Save", "Cancel", NULL);
            
            g_assert (E_IS_BOOK (book));
            
            gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dlg)->vbox),
                        contact_editor, TRUE, TRUE, 0);
            
            gtk_widget_show(contact_editor);
            gtk_widget_show (dlg);
            
            gnome_dialog_close_hides (GNOME_DIALOG (dlg), TRUE);
            result = gnome_dialog_run_and_close (GNOME_DIALOG (dlg));
            
            
            /* If the user clicks "okay"...*/
            if (result == 0) {
                ECard *card;
                g_assert (contact_editor);
                g_assert (GTK_IS_OBJECT (contact_editor));
                gtk_object_get(GTK_OBJECT(contact_editor),
                           "card", &card,
                           NULL);
                
                /* Add the card in the contact editor to our ebook */
                e_book_commit_card (book,
                            card,
                            card_changed_cb,
                            NULL);
            }
        }
        break;
    case GDK_KEY_PRESS:
        if (event->key.keyval == GDK_Tab || 
            event->key.keyval == GDK_KP_Tab || 
            event->key.keyval == GDK_ISO_Left_Tab) {
            GList *list;
            for (list = e_minicard->fields; list; list = list->next) {
                EMinicardField *field = E_MINICARD_FIELD(list->data);
                GnomeCanvasItem *item = field->label;
                EFocus has_focus;
                gtk_object_get(GTK_OBJECT(item),
                           "has_focus", &has_focus,
                           NULL);
                if (has_focus != E_FOCUS_NONE) {
                    if (event->key.state & GDK_SHIFT_MASK)
                        list = list->prev;
                    else
                        list = list->next;
                    if (list) {
                        EMinicardField *field = E_MINICARD_FIELD(list->data);
                        GnomeCanvasItem *item = field->label;
                        gnome_canvas_item_set(item,
                                      "has_focus", (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START,
                                      NULL);
                        return 1;
                    } else {
                        return 0;
                    }
                }
            }
        }
    default:
        break;
    }
    
    if (GNOME_CANVAS_ITEM_CLASS( parent_class )->event)
        return (* GNOME_CANVAS_ITEM_CLASS( parent_class )->event) (item, event);
    else
        return 0;
}

static void
e_minicard_resize_children( EMinicard *e_minicard )
{
    if ( GTK_OBJECT_FLAGS( e_minicard ) & GNOME_CANVAS_ITEM_REALIZED ) {
        GList *list;
        
        gnome_canvas_item_set( e_minicard->header_text,
                       "width", (double) e_minicard->width - 12,
                       NULL );
        for ( list = e_minicard->fields; list; list = g_list_next( list ) ) {
            gnome_canvas_item_set( E_MINICARD_FIELD( list->data )->label,
                           "width", (double) e_minicard->width - 4.0,
                           NULL );
        }
    }
}

static void
field_changed (EText *text, EMinicard *e_minicard)
{
    ECardSimpleType type;
    char *string;

    type = GPOINTER_TO_INT
        (gtk_object_get_data(GTK_OBJECT(text),
                     "EMinicard:field"));
    gtk_object_get(GTK_OBJECT(text),
               "text", &string,
               NULL);
    e_card_simple_set(e_minicard->simple,
              type,
              string);
    g_free(string);
}

static void
add_field (EMinicard *e_minicard, ECardSimpleField field)
{
    GnomeCanvasItem *new_item;
    GnomeCanvasGroup *group;
    ECardSimpleType type;
    EMinicardField *minicard_field;
    char *name;
    char *string;

    group = GNOME_CANVAS_GROUP( e_minicard );
    
    type = e_card_simple_type(e_minicard->simple, field);
    name = g_strdup_printf("%s:", e_card_simple_get_name(e_minicard->simple, field));
    string = e_card_simple_get(e_minicard->simple, field);

    new_item = e_minicard_label_new(group);
    gnome_canvas_item_set( new_item,
                   "width", e_minicard->width - 4.0,
                   "fieldname", name,
                   "field", string,
                   NULL );
    gtk_signal_connect(GTK_OBJECT(E_MINICARD_LABEL(new_item)->field),
               "changed", GTK_SIGNAL_FUNC(field_changed), e_minicard);
    gtk_object_set_data(GTK_OBJECT(E_MINICARD_LABEL(new_item)->field),
                "EMinicard:field",
                GINT_TO_POINTER(field));

    minicard_field = g_new(EMinicardField, 1);
    minicard_field->field = field;
    minicard_field->label = new_item;

    e_minicard->fields = g_list_append( e_minicard->fields, minicard_field);
    e_canvas_item_move_absolute(new_item, 2, e_minicard->height);
    g_free(name);
    g_free(string);
}

static void
remodel( EMinicard *e_minicard )
{
    int count = 0;
    if (e_minicard->simple) {
        ECardSimpleField field;
        GList *list;
        char *file_as;

        if (e_minicard->header_text) {
            file_as = e_card_simple_get(e_minicard->simple, E_CARD_SIMPLE_FIELD_FILE_AS);
            gnome_canvas_item_set( e_minicard->header_text,
                           "text", file_as ? file_as : "",
                           NULL );
            g_free(file_as);
        }
        
        list = e_minicard->fields;
        e_minicard->fields = NULL;

        for(field = E_CARD_SIMPLE_FIELD_FULL_NAME; field != E_CARD_SIMPLE_FIELD_LAST && count < 5; field++) {
            EMinicardField *minicard_field = NULL;
            if (list)
                minicard_field = list->data;
            if (minicard_field && minicard_field->field == field) {
                GList *this_list = list;
                char *string;
                
                string = e_card_simple_get(e_minicard->simple, field);
                if (string && *string) {
                    e_minicard->fields = g_list_append(e_minicard->fields, minicard_field);
                    gtk_object_set(GTK_OBJECT(minicard_field->label),
                               "field", string,
                               NULL);
                    count ++;
                } else {
                    e_minicard_field_destroy(minicard_field);
                }
                list = g_list_remove_link(list, this_list);
                g_list_free_1(this_list);
                g_free(string);
            } else {
                char *string;
                string = e_card_simple_get(e_minicard->simple, field);
                if (string && *string) {
                    add_field(e_minicard, field);
                    count++;
                }
                g_free(string);
            }
        }
        
        g_list_foreach(list, (GFunc) e_minicard_field_destroy, NULL);
        g_list_free(list);
    }
}

static void
e_minicard_reflow( GnomeCanvasItem *item, int flags )
{
    EMinicard *e_minicard = E_MINICARD(item);
    if ( GTK_OBJECT_FLAGS( e_minicard ) & GNOME_CANVAS_ITEM_REALIZED ) {
        GList *list;
        gdouble text_height;
        gint old_height;
        
        old_height = e_minicard->height;

        gtk_object_get( GTK_OBJECT( e_minicard->header_text ),
                "text_height", &text_height,
                NULL );
        
        e_minicard->height = text_height + 10.0;
        
        gnome_canvas_item_set( e_minicard->header_rect,
                       "y2", text_height + 9.0,
                       NULL );
        
        for(list = e_minicard->fields; list; list = g_list_next(list)) {
            EMinicardField *field = E_MINICARD_FIELD(list->data);
            GnomeCanvasItem *item = field->label;
            gtk_object_get (GTK_OBJECT(item),
                    "height", &text_height,
                    NULL);
            e_canvas_item_move_absolute(item, 2, e_minicard->height);
            e_minicard->height += text_height;
        }
        e_minicard->height += 2;
        
        gnome_canvas_item_set( e_minicard->rect,
                       "y2", (double) e_minicard->height - 1,
                       NULL );
        
        gnome_canvas_item_set( e_minicard->rect,
                       "x2", (double) e_minicard->width - 1.0,
                       "y2", (double) e_minicard->height - 1.0,
                       NULL );
        gnome_canvas_item_set( e_minicard->header_rect,
                       "x2", (double) e_minicard->width - 3.0,
                       NULL );

        if (old_height != e_minicard->height)
            e_canvas_item_request_parent_reflow(item);
    }
}

char *
e_minicard_get_card_id (EMinicard *minicard)
{
    g_return_val_if_fail(minicard != NULL, NULL);
    g_return_val_if_fail(E_IS_MINICARD(minicard), NULL);

    if (minicard->card) {
        return e_card_get_id(minicard->card);
    } else {
        return "";
    }
}

int
e_minicard_compare (EMinicard *minicard1, EMinicard *minicard2)
{
    g_return_val_if_fail(minicard1 != NULL, 0);
    g_return_val_if_fail(E_IS_MINICARD(minicard1), 0);
    g_return_val_if_fail(minicard2 != NULL, 0);
    g_return_val_if_fail(E_IS_MINICARD(minicard2), 0);

    if (minicard1->card && minicard2->card) {
        char *file_as1, *file_as2;
        gtk_object_get(GTK_OBJECT(minicard1->card),
                   "file_as", &file_as1,
                   NULL);
        gtk_object_get(GTK_OBJECT(minicard2->card),
                   "file_as", &file_as2,
                   NULL);
        if (file_as1 && file_as2)
            return strcmp(file_as1, file_as2);
        if (file_as1)
            return -1;
        if (file_as2)
            return 1;
        return strcmp(e_minicard_get_card_id(minicard1), e_minicard_get_card_id(minicard2));
    } else {
        return 0;
    }
}