path: root/addressbook/gui/component/select-names/e-select-names-manager.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Authors: 
 *   Chris Lahey     <clahey@ximian.com>
 *   Jon Trowbridge  <trow@ximian.com.
 *
 * Copyright (C) 2000, 2001 Ximian, Inc.
 */

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <gal/e-text/e-entry.h>

#include "e-select-names-manager.h"
#include "e-select-names-model.h"
#include "e-select-names-text-model.h"
#include "e-select-names.h"
#include "e-select-names-completion.h"
#include "e-select-names-popup.h"
#include <addressbook/backend/ebook/e-destination.h>
#include <addressbook/gui/component/addressbook.h>
#include <bonobo-conf/bonobo-config-database.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-moniker-util.h>

enum {
    CHANGED,
    OK,
    CANCEL,
    LAST_SIGNAL
};

static guint e_select_names_manager_signals[LAST_SIGNAL] = { 0 };


typedef struct {
    char *id;
    char *title;
    ESelectNamesModel *model;
    ESelectNamesModel *original_model;
    ESelectNamesManager *manager;
    guint changed_tag;
} ESelectNamesManagerSection;

typedef struct {
    char *id;
    EEntry *entry;
    ESelectNamesManager *manager;
    ESelectNamesModel *model;
    guint cleaning_tag;
} ESelectNamesManagerEntry;

static void e_select_names_manager_init (ESelectNamesManager *manager);
static void e_select_names_manager_class_init (ESelectNamesManagerClass *klass);

static void e_select_names_manager_destroy (GtkObject *object);

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */

/* ESelectNamesManagerSection routines */

static void
section_model_changed_cb (ESelectNamesModel *model, gpointer closure)
{
    ESelectNamesManagerSection *section = closure;
    gtk_signal_emit (GTK_OBJECT (section->manager),
             e_select_names_manager_signals[CHANGED],
             section->id,
             FALSE);
}

static ESelectNamesManagerSection *
e_select_names_manager_section_new (ESelectNamesManager *manager,
                    const gchar *id,
                    const gchar *title,
                    ESelectNamesModel *model)
{
    ESelectNamesManagerSection *section;

    g_return_val_if_fail (E_IS_SELECT_NAMES_MANAGER (manager), NULL);
    g_return_val_if_fail (E_IS_SELECT_NAMES_MODEL (model), NULL);

    section = g_new0 (ESelectNamesManagerSection, 1);

    section->id = g_strdup (id);
    section->title = g_strdup (title);

    section->manager = manager;

    section->model = model;
    gtk_object_ref (GTK_OBJECT (section->model));
    section->changed_tag =
        gtk_signal_connect (GTK_OBJECT (section->model),
                    "changed",
                    GTK_SIGNAL_FUNC (section_model_changed_cb),
                    section);

    return section;
}

static void
e_select_names_manager_section_free (ESelectNamesManagerSection *section)
{
    if (section == NULL)
        return;

    g_free (section->id);
    g_free (section->title);

    if (section->model) {
        gtk_signal_disconnect (GTK_OBJECT (section->model), section->changed_tag);
        gtk_object_unref (GTK_OBJECT (section->model));
    }

    if (section->original_model) {
        gtk_object_unref (GTK_OBJECT (section->original_model));
    }

    g_free (section);
}

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */

/* ESelectNamesManagerEntry routines */

static ESelectNamesManagerEntry *
get_entry_info (EEntry *entry)
{
    g_return_val_if_fail (E_IS_ENTRY (entry), NULL);
    return (ESelectNamesManagerEntry *) gtk_object_get_data (GTK_OBJECT (entry), "entry_info");
}

static void
popup_cb (EEntry *eentry, GdkEventButton *ev, gint pos, gpointer user_data)
{
    ESelectNamesTextModel *text_model;

    gtk_object_get (GTK_OBJECT (eentry),
            "model", &text_model,
            NULL);
    g_assert (E_IS_SELECT_NAMES_TEXT_MODEL (text_model));

    e_select_names_popup (text_model, ev, pos);
}

static gboolean
clean_cb (gpointer ptr)
{
    ESelectNamesManagerEntry *entry = ptr;

    e_select_names_model_clean (entry->model, TRUE);
    entry->cleaning_tag = 0;
    return FALSE;
}

static gint
focus_in_cb (GtkWidget *w, GdkEventFocus *ev, gpointer user_data)
{
    ESelectNamesManagerEntry *entry = user_data;

    if (entry->cleaning_tag) {
        gtk_timeout_remove (entry->cleaning_tag);
        entry->cleaning_tag = 0;
    }

    e_select_names_model_cancel_cardify_all (entry->model);

    return FALSE;
}

static gint
focus_out_cb (GtkWidget *w, GdkEventFocus *ev, gpointer user_data)
{
    ESelectNamesManagerEntry *entry = user_data;
    gboolean visible = e_entry_completion_popup_is_visible (entry->entry);

    if (! visible) {
        e_select_names_model_cardify_all (entry->model, entry->manager->completion_book, 100);
        if (entry->cleaning_tag == 0)
            entry->cleaning_tag = gtk_timeout_add (100, clean_cb, entry);
    }

    return FALSE;
}

static void
completion_popup_cb (EEntry *w, gint visible, gpointer user_data)
{
    ESelectNamesManagerEntry *entry = user_data;

    if (!visible && !GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (entry->entry->canvas)))
        e_select_names_model_cardify_all (entry->model, entry->manager->completion_book, 0);
}

static void
completion_handler (EEntry *entry, ECompletionMatch *match)
{
    ESelectNamesManagerEntry *mgr_entry;
    ESelectNamesTextModel *text_model;
    EDestination *dest;
    gint i, pos, start_pos, len;

    if (match == NULL || match->user_data == NULL)
        return;

    mgr_entry = get_entry_info (entry);
    dest = E_DESTINATION (match->user_data);

    /* Sometimes I really long for garbage collection.  Reference
           counting makes you feel 31337, but sometimes it is just a
           bitch. */
    gtk_object_ref (GTK_OBJECT (dest));

    gtk_object_get (GTK_OBJECT (entry),
            "model", &text_model,
            NULL);
    g_assert (E_IS_SELECT_NAMES_TEXT_MODEL (text_model));

    pos = e_entry_get_position (entry);
    e_select_names_model_text_pos (mgr_entry->model, text_model->seplen, pos, &i, NULL, NULL);
    e_select_names_model_replace (mgr_entry->model, i, dest);
    e_select_names_model_name_pos (mgr_entry->model, text_model->seplen, i, &start_pos, &len);
    e_entry_set_position (entry, start_pos+len);
}

static ESelectNamesManagerEntry *
e_select_names_manager_entry_new (ESelectNamesManager *manager, ESelectNamesModel *model, const gchar *id)
{
    ESelectNamesManagerEntry *entry;
    ETextModel *text_model;
    ECompletion *comp;

    g_return_val_if_fail (E_IS_SELECT_NAMES_MANAGER (manager), NULL);
    g_return_val_if_fail (E_IS_SELECT_NAMES_MODEL (model), NULL);

    entry = g_new0 (ESelectNamesManagerEntry, 1);

    entry->id = g_strdup (id);

    entry->entry = E_ENTRY (e_entry_new ());
    text_model = e_select_names_text_model_new (model);
    gtk_object_set(GTK_OBJECT(entry->entry),
               "model",          text_model, /* The entry takes ownership of the text model */
               "editable",       TRUE,
               "use_ellipsis",   TRUE,
               "allow_newlines", FALSE,
               NULL);

    gtk_object_ref (GTK_OBJECT (entry->entry));

    comp = e_select_names_completion_new (NULL, E_SELECT_NAMES_TEXT_MODEL (text_model));
    if (manager->completion_book)
        e_select_names_completion_add_book (E_SELECT_NAMES_COMPLETION (comp),
                            manager->completion_book);

    e_entry_enable_completion_full (entry->entry, comp, 50, completion_handler);

    entry->manager = manager;

    entry->model = model;
    gtk_object_ref (GTK_OBJECT (model));
    
    gtk_signal_connect (GTK_OBJECT (entry->entry),
                "popup",
                GTK_SIGNAL_FUNC (popup_cb),
                entry);
            
    gtk_signal_connect (GTK_OBJECT (entry->entry->canvas),
                "focus_in_event",
                GTK_SIGNAL_FUNC (focus_in_cb),
                entry);
    
    gtk_signal_connect (GTK_OBJECT (entry->entry->canvas),
                "focus_out_event",
                GTK_SIGNAL_FUNC (focus_out_cb),
                entry);

    gtk_signal_connect (GTK_OBJECT (entry->entry),
                "completion_popup",
                GTK_SIGNAL_FUNC (completion_popup_cb),
                entry);

    gtk_object_set_data (GTK_OBJECT (entry->entry), "entry_info", entry);
    gtk_object_set_data (GTK_OBJECT (entry->entry), "select_names_model", model);
    gtk_object_set_data (GTK_OBJECT (entry->entry), "select_names_text_model", text_model);
    gtk_object_set_data (GTK_OBJECT (entry->entry), "completion_handler", comp);

    return entry;
}

static void
e_select_names_manager_entry_free (ESelectNamesManagerEntry *entry)
{
    if (entry == NULL)
        return;

    g_free (entry->id);
    gtk_object_unref (GTK_OBJECT (entry->model));
    gtk_object_unref (GTK_OBJECT (entry->entry));

    if (entry->cleaning_tag)
        gtk_timeout_remove (entry->cleaning_tag);

    g_free (entry);
}

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */

static void
e_select_names_manager_save_models (ESelectNamesManager *manager)
{
    GList *iter;
    
    for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
        ESelectNamesManagerSection *section = iter->data;

        if (section->original_model == NULL && section->model != NULL)
            section->original_model = e_select_names_model_duplicate (section->model);

    }
}

static void
e_select_names_manager_revert_to_saved_models (ESelectNamesManager *manager)
{
    GList *iter;

    for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
        ESelectNamesManagerSection *section = iter->data;
        if (section->model && section->original_model) {
            e_select_names_model_overwrite_copy (section->model, section->original_model);
            gtk_object_unref (GTK_OBJECT (section->original_model));
            section->original_model = NULL;
        }
    }
}

static void
e_select_names_manager_discard_saved_models (ESelectNamesManager *manager)
{
    GList *iter;

    for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
        ESelectNamesManagerSection *section = iter->data;
        if (section->original_model) {
            gtk_object_unref (GTK_OBJECT (section->original_model));
            section->original_model = NULL;
        }
    }
}

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */


static void
open_book_cb (EBook *book, EBookStatus status, ESelectNamesManager *manager)
{
    if (status != E_BOOK_STATUS_SUCCESS) {
        gtk_object_unref (GTK_OBJECT (book));
        manager->completion_book = NULL;
    }

    gtk_object_unref (GTK_OBJECT (manager)); /* unref ourself (matches ref before the load_uri call below) */
}

/**
 * e_select_names_manager_new:
 * @VCard: a string in vCard format
 *
 * Returns: a new #ESelectNamesManager that wraps the @VCard.
 */
ESelectNamesManager *
e_select_names_manager_new (void)
{
    ESelectNamesManager *manager = E_SELECT_NAMES_MANAGER(gtk_type_new(e_select_names_manager_get_type()));
    Bonobo_ConfigDatabase db;
    CORBA_Environment ev;
    char *val;

    CORBA_exception_init (&ev);

    db = addressbook_config_database (&ev);

    val = bonobo_config_get_string (db, "/Addressbook/Completion/uri", &ev);

    CORBA_exception_free (&ev);

    if (val) {
        manager->completion_book = e_book_new ();
        gtk_object_ref (GTK_OBJECT (manager)); /* ref ourself before our async call */
        addressbook_load_uri (manager->completion_book, val, (EBookCallback)open_book_cb, manager);
        g_free (val);
    }
    else
        manager->completion_book = NULL;

    return manager;
}


/*
 * ESelectNamesManager lifecycle management and vcard loading/saving.
 */


void
e_select_names_manager_add_section (ESelectNamesManager *manager,
                    const char *id,
                    const char *title)
{
    g_return_if_fail (E_IS_SELECT_NAMES_MANAGER (manager));
    g_return_if_fail (id != NULL);
    g_return_if_fail (title != NULL);
    
    e_select_names_manager_add_section_with_limit (manager, id, title, -1);
}

void
e_select_names_manager_add_section_with_limit (ESelectNamesManager *manager,
                           const char *id,
                           const char *title,
                           gint limit)
{
    ESelectNamesManagerSection *section;
    ESelectNamesModel *model;

    g_return_if_fail (E_IS_SELECT_NAMES_MANAGER (manager));
    g_return_if_fail (id != NULL);
    g_return_if_fail (title != NULL);
    
    model = e_select_names_model_new ();
    e_select_names_model_set_limit (model, limit);
    
    section = e_select_names_manager_section_new (manager, id, title, model);

    manager->sections = g_list_append (manager->sections, section);

    gtk_object_unref (GTK_OBJECT (model));
}

ESelectNamesModel *
e_select_names_manager_get_source (ESelectNamesManager *manager,
                   const char *id)
{
    GList *iter;

    g_return_val_if_fail (E_IS_SELECT_NAMES_MANAGER (manager), NULL);
    g_return_val_if_fail (id != NULL, NULL);

    for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
        ESelectNamesManagerSection *section = iter->data;
        if (!strcmp (section->id, id))
            return section->model;
    }
    return NULL;
}

GtkWidget *
e_select_names_manager_create_entry (ESelectNamesManager *manager, const char *id)
{
    GList *iter;

    g_return_val_if_fail (E_IS_SELECT_NAMES_MANAGER (manager), NULL);
    g_return_val_if_fail (id != NULL, NULL);

    for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
        ESelectNamesManagerSection *section = iter->data;
        if (!strcmp(section->id, id)) {
            ESelectNamesManagerEntry *entry;

            entry = e_select_names_manager_entry_new (manager, section->model, section->id);
            manager->entries = g_list_append (manager->entries, entry);

            return GTK_WIDGET(entry->entry);
        }
    }

    return NULL;
}

static void
e_select_names_clicked(ESelectNames *dialog, gint button, ESelectNamesManager *manager)
{
    gnome_dialog_close(GNOME_DIALOG(dialog));

    switch(button) {
    case 0:
        e_select_names_manager_discard_saved_models (manager);
        gtk_signal_emit (GTK_OBJECT (manager), e_select_names_manager_signals[OK]);
        break;

    case 1:
        e_select_names_manager_revert_to_saved_models (manager);
        gtk_signal_emit (GTK_OBJECT (manager), e_select_names_manager_signals[CANCEL]);
        break;
    }
}

void
e_select_names_manager_activate_dialog (ESelectNamesManager *manager,
                    const char *id)
{
    g_return_if_fail (E_IS_SELECT_NAMES_MANAGER (manager));
    g_return_if_fail (id != NULL);

    if (manager->names) {
        
        g_assert (GTK_WIDGET_REALIZED (GTK_WIDGET (manager->names)));
        e_select_names_set_default (manager->names, id);
        gdk_window_show (GTK_WIDGET (manager->names)->window);
        gdk_window_raise (GTK_WIDGET (manager->names)->window);

    } else {

        GList *iter;

        manager->names = E_SELECT_NAMES (e_select_names_new ());

        for (iter = manager->sections; iter != NULL; iter = g_list_next (iter)) {
            ESelectNamesManagerSection *section = iter->data;
            e_select_names_add_section (manager->names, section->id, section->title, section->model);
        }

        e_select_names_set_default (manager->names, id);

        gtk_signal_connect(GTK_OBJECT(manager->names), 
                   "clicked",
                   GTK_SIGNAL_FUNC(e_select_names_clicked),
                   manager);

        gtk_signal_connect(GTK_OBJECT(manager->names),
                   "destroy",
                   GTK_SIGNAL_FUNC(gtk_widget_destroyed), 
                   &manager->names);

        gtk_widget_show(GTK_WIDGET(manager->names));
    }

    e_select_names_manager_save_models (manager);
}

/* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** */

static void
e_select_names_manager_init (ESelectNamesManager *manager)
{
    manager->sections = NULL;
    manager->entries  = NULL;
}

static void
e_select_names_manager_destroy (GtkObject *object)
{
    ESelectNamesManager *manager;
    
    manager = E_SELECT_NAMES_MANAGER (object);

    if (manager->names) {
        gtk_widget_destroy (GTK_WIDGET (manager->names));
        manager->names = NULL;
    }

    g_list_foreach (manager->sections, (GFunc) e_select_names_manager_section_free, NULL);
    g_list_free (manager->sections);
    manager->sections = NULL;

    g_list_foreach (manager->entries, (GFunc) e_select_names_manager_entry_free, NULL);
    g_list_free (manager->entries);
    manager->entries = NULL;
}

static void
e_select_names_manager_class_init (ESelectNamesManagerClass *klass)
{
    GtkObjectClass *object_class;

    object_class = GTK_OBJECT_CLASS(klass);

    object_class->destroy = e_select_names_manager_destroy;

    e_select_names_manager_signals[CHANGED] = 
        gtk_signal_new ("changed",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (ESelectNamesManagerClass, changed),
                gtk_marshal_NONE__POINTER_INT,
                GTK_TYPE_NONE, 2,
                GTK_TYPE_POINTER,
                GTK_TYPE_INT);

    e_select_names_manager_signals[OK] =
        gtk_signal_new ("ok",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (ESelectNamesManagerClass, ok),
                gtk_marshal_NONE__NONE,
                GTK_TYPE_NONE, 0);

    e_select_names_manager_signals[CANCEL] =
        gtk_signal_new ("cancel",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (ESelectNamesManagerClass, cancel),
                gtk_marshal_NONE__NONE,
                GTK_TYPE_NONE, 0);

    gtk_object_class_add_signals (object_class, e_select_names_manager_signals, LAST_SIGNAL);
}

/**
 * e_select_names_manager_get_type:
 * @void: 
 * 
 * Registers the &ESelectNamesManager class if necessary, and returns the type ID
 * associated to it.
 * 
 * Return value: The type ID of the &ESelectNamesManager class.
 **/
GtkType
e_select_names_manager_get_type (void)
{
    static GtkType manager_type = 0;

    if (!manager_type) {
        GtkTypeInfo manager_info = {
            "ESelectNamesManager",
            sizeof (ESelectNamesManager),
            sizeof (ESelectNamesManagerClass),
            (GtkClassInitFunc) e_select_names_manager_class_init,
            (GtkObjectInitFunc) e_select_names_manager_init,
            NULL, /* reserved_1 */
            NULL, /* reserved_2 */
            (GtkClassInitFunc) NULL
        };

        manager_type = gtk_type_unique (gtk_object_get_type (), &manager_info);
    }

    return manager_type;
}