path: root/addressbook/gui/widgets/e-addressbook-table-adapter.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

#include <config.h>
#include "e-addressbook-model.h"
#include "e-addressbook-table-adapter.h"
#include "eab-contact-merging.h"
#include "eab-gui-util.h"
#include "util/eab-destination.h"
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xmlmemory.h>
#include <gnome.h>

struct _EAddressbookTableAdapterPrivate {
    EABModel *model;

    int create_contact_id, remove_contact_id, modify_contact_id, model_changed_id;
};

#define PARENT_TYPE e_table_model_get_type()
static ETableModelClass *parent_class;

#define COLS (E_CONTACT_FIELD_LAST)

static void
unlink_model(EAddressbookTableAdapter *adapter)
{
    EAddressbookTableAdapterPrivate *priv = adapter->priv;

    g_signal_handler_disconnect (priv->model,
                     priv->create_contact_id);
    g_signal_handler_disconnect (priv->model,
                     priv->remove_contact_id);
    g_signal_handler_disconnect (priv->model,
                     priv->modify_contact_id);
    g_signal_handler_disconnect (priv->model,
                     priv->model_changed_id);

    priv->create_contact_id = 0;
    priv->remove_contact_id = 0;
    priv->modify_contact_id = 0;
    priv->model_changed_id = 0;

    g_object_unref (priv->model);

    priv->model = NULL;
}

static void
addressbook_dispose(GObject *object)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(object);

    if (adapter->priv) {
        unlink_model(adapter);

        g_free (adapter->priv);
        adapter->priv = NULL;
    }

    if (G_OBJECT_CLASS (parent_class)->dispose)
        (* G_OBJECT_CLASS (parent_class)->dispose) (object);
}

/* This function returns the number of columns in our ETableModel. */
static int
addressbook_col_count (ETableModel *etc)
{
    return COLS;
}

/* This function returns the number of rows in our ETableModel. */
static int
addressbook_row_count (ETableModel *etc)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(etc);
    EAddressbookTableAdapterPrivate *priv = adapter->priv;

    return eab_model_contact_count (priv->model);
}

/* This function returns the value at a particular point in our ETableModel. */
static void *
addressbook_value_at (ETableModel *etc, int col, int row)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(etc);
    EAddressbookTableAdapterPrivate *priv = adapter->priv;
    const char *value;

    if ( col >= COLS || row >= eab_model_contact_count (priv->model) )
        return NULL;

    value = e_contact_get_const((EContact*)eab_model_contact_at (priv->model, row), col);

    if (value && !strncmp (value, "<?xml", 5)) {
        EABDestination *dest = eab_destination_import (value);
        if (dest) {
            /* XXX blech, we leak this */
            value = g_strdup (eab_destination_get_textrep (dest, TRUE));
            g_object_unref (dest);
        }
    }


    return (void *)(value ? value : "");
}

/* This function sets the value at a particular point in our ETableModel. */
static void
contact_modified_cb (EBook* book, EBookStatus status,
             gpointer user_data)
{
    if (status != E_BOOK_ERROR_OK)
        eab_error_dialog (_("Error modifying card"), status);
}

static void
addressbook_set_value_at (ETableModel *etc, int col, int row, const void *val)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(etc);
    EAddressbookTableAdapterPrivate *priv = adapter->priv;

    if (eab_model_editable (priv->model)) {
        EContact *contact;

        if (col >= COLS || row >= eab_model_contact_count (priv->model))
            return;

        contact = eab_model_get_contact (priv->model, row);
        if (!contact)
            return;

        e_table_model_pre_change(etc);

        e_contact_set(contact, col, (void *) val);
        eab_merging_book_commit_contact (eab_model_get_ebook (priv->model),
                         contact, contact_modified_cb, NULL);

        g_object_unref (contact);

        /* XXX do we need this?  shouldn't the commit_contact generate a changed signal? */
        e_table_model_cell_changed(etc, col, row);
    }
}

/* This function returns whether a particular cell is editable. */
static gboolean
addressbook_is_cell_editable (ETableModel *etc, int col, int row)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(etc);
    EAddressbookTableAdapterPrivate *priv = adapter->priv;
    const EContact *contact;

    if (row >= 0 && row < eab_model_contact_count (priv->model))
        contact = eab_model_contact_at (priv->model, row);
    else
        contact = NULL;

    if (!eab_model_editable(priv->model))
        return FALSE;
    else if (contact && e_contact_get ((EContact *) contact, E_CONTACT_IS_LIST))
        /* we only allow editing of the name and file as for
                   lists */
        return col == E_CONTACT_FULL_NAME || col == E_CONTACT_FILE_AS; 
    else
        return col < E_CONTACT_LAST_SIMPLE_STRING;

    return FALSE;
}

static void
addressbook_append_row (ETableModel *etm, ETableModel *source, gint row)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(etm);
    EAddressbookTableAdapterPrivate *priv = adapter->priv;
    EContact *contact;
    int col;

    contact = e_contact_new ();

    for (col = 1; col < E_CONTACT_LAST_SIMPLE_STRING; col++) {
        const void *val = e_table_model_value_at (source, col, row);
        e_contact_set (contact, col, (void *) val);
    }

    eab_merging_book_add_contact (eab_model_get_ebook (priv->model), contact, NULL, NULL);

    g_object_unref (contact);
}

/* This function duplicates the value passed to it. */
static void *
addressbook_duplicate_value (ETableModel *etc, int col, const void *value)
{
    return g_strdup(value);
}

/* This function frees the value passed to it. */
static void
addressbook_free_value (ETableModel *etc, int col, void *value)
{
    g_free(value);
}

static void *
addressbook_initialize_value (ETableModel *etc, int col)
{
    return g_strdup("");
}

static gboolean
addressbook_value_is_empty (ETableModel *etc, int col, const void *value)
{
    return !(value && *(char *)value);
}

static char *
addressbook_value_to_string (ETableModel *etc, int col, const void *value)
{
    return g_strdup(value);
}

static void
eab_table_adapter_class_init (GObjectClass *object_class)
{
    ETableModelClass *model_class = (ETableModelClass *) object_class;

    parent_class = g_type_class_peek_parent (object_class);

    object_class->dispose = addressbook_dispose;

    model_class->column_count = addressbook_col_count;
    model_class->row_count = addressbook_row_count;
    model_class->value_at = addressbook_value_at;
    model_class->set_value_at = addressbook_set_value_at;
    model_class->is_cell_editable = addressbook_is_cell_editable;
    model_class->append_row = addressbook_append_row;
    model_class->duplicate_value = addressbook_duplicate_value;
    model_class->free_value = addressbook_free_value;
    model_class->initialize_value = addressbook_initialize_value;
    model_class->value_is_empty = addressbook_value_is_empty;
    model_class->value_to_string = addressbook_value_to_string;
}

static void
eab_table_adapter_init (GObject *object)
{
    EAddressbookTableAdapter *adapter = EAB_TABLE_ADAPTER(object);
    EAddressbookTableAdapterPrivate *priv;

    priv = adapter->priv = g_new0 (EAddressbookTableAdapterPrivate, 1);

    priv->create_contact_id = 0;
    priv->remove_contact_id = 0;
    priv->modify_contact_id = 0;
    priv->model_changed_id = 0;
}


static void
create_contact (EABModel *model,
        gint index, gint count,
        EAddressbookTableAdapter *adapter)
{
    e_table_model_pre_change (E_TABLE_MODEL (adapter));
    e_table_model_rows_inserted (E_TABLE_MODEL (adapter), index, count);
}

static void
remove_contact (EABModel *model,
        gint index,
        EAddressbookTableAdapter *adapter)
{
    e_table_model_pre_change (E_TABLE_MODEL (adapter));
    e_table_model_rows_deleted (E_TABLE_MODEL (adapter), index, 1);
}

static void
modify_contact (EABModel *model,
        gint index,
        EAddressbookTableAdapter *adapter)
{
    e_table_model_pre_change (E_TABLE_MODEL (adapter));
    e_table_model_row_changed (E_TABLE_MODEL (adapter), index);
}

static void
model_changed (EABModel *model,
           EAddressbookTableAdapter *adapter)
{
    e_table_model_pre_change (E_TABLE_MODEL (adapter));
    e_table_model_changed (E_TABLE_MODEL (adapter));
}

GType
eab_table_adapter_get_type (void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info =  {
            sizeof (EAddressbookTableAdapterClass),
            NULL,           /* base_init */
            NULL,           /* base_finalize */
            (GClassInitFunc) eab_table_adapter_class_init,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (EAddressbookTableAdapter),
            0,             /* n_preallocs */
            (GInstanceInitFunc) eab_table_adapter_init,
        };

        type = g_type_register_static (PARENT_TYPE, "EAddressbookTableAdapter", &info, 0);
    }

    return type;
}

void
eab_table_adapter_construct (EAddressbookTableAdapter *adapter,
                       EABModel *model)
{
    EAddressbookTableAdapterPrivate *priv = adapter->priv;

    priv->model = model;
    g_object_ref (priv->model);

    priv->create_contact_id = g_signal_connect(priv->model,
                           "contact_added",
                           G_CALLBACK(create_contact),
                           adapter);
    priv->remove_contact_id = g_signal_connect(priv->model,
                           "contact_removed",
                           G_CALLBACK(remove_contact),
                           adapter);
    priv->modify_contact_id = g_signal_connect(priv->model,
                           "contact_changed",
                           G_CALLBACK(modify_contact),
                           adapter);
    priv->model_changed_id = g_signal_connect(priv->model,
                          "model_changed",
                          G_CALLBACK(model_changed),
                          adapter);
}

ETableModel *
eab_table_adapter_new (EABModel *model)
{
    EAddressbookTableAdapter *et;

    et = g_object_new(E_TYPE_AB_TABLE_ADAPTER, NULL);

    eab_table_adapter_construct (et, model);

    return E_TABLE_MODEL(et);
}