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path: root/addressbook/gui/contact-editor/e-contact-editor-categories.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-contact-editor-categories.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-contact-editor-categories.h>
#include <e-table.h>
#include <e-table-simple.h>
#include <e-cell-text.h>
#include <e-cell-checkbox.h>

static void e_contact_editor_categories_init        (EContactEditorCategories        *card);
static void e_contact_editor_categories_class_init  (EContactEditorCategoriesClass   *klass);
static void e_contact_editor_categories_set_arg         (GtkObject *o, GtkArg *arg, guint arg_id);
static void e_contact_editor_categories_get_arg         (GtkObject *object, GtkArg *arg, guint arg_id);
static void e_contact_editor_categories_destroy         (GtkObject *object);
static int e_contact_editor_categories_col_count (ETableModel *etc, gpointer data);
static int e_contact_editor_categories_row_count (ETableModel *etc, gpointer data);
static void *e_contact_editor_categories_value_at (ETableModel *etc, int col, int row, gpointer data);
static void e_contact_editor_categories_set_value_at (ETableModel *etc, int col, int row, const void *val, gpointer data);
static gboolean e_contact_editor_categories_is_cell_editable (ETableModel *etc, int col, int row, gpointer data);
static void *e_contact_editor_categories_duplicate_value (ETableModel *etc, int col, const void *value, gpointer data);
static void e_contact_editor_categories_free_value (ETableModel *etc, int col, void *value, gpointer data);
static void *e_contact_editor_categories_initialize_value (ETableModel *etc, int col, gpointer data);
static gboolean e_contact_editor_categories_value_is_empty (ETableModel *etc, int col, const void *value, gpointer data);
static void e_contact_editor_categories_thaw (ETableModel *etc, gpointer data);

static GnomeDialogClass *parent_class = NULL;

/* The arguments we take */
enum {
    ARG_0,
    ARG_CATEGORIES
};

GtkType
e_contact_editor_categories_get_type (void)
{
    static GtkType contact_editor_categories_type = 0;

    if (!contact_editor_categories_type)
        {
            static const GtkTypeInfo contact_editor_categories_info =
            {
                "EContactEditorCategories",
                sizeof (EContactEditorCategories),
                sizeof (EContactEditorCategoriesClass),
                (GtkClassInitFunc) e_contact_editor_categories_class_init,
                (GtkObjectInitFunc) e_contact_editor_categories_init,
                /* reserved_1 */ NULL,
                /* reserved_2 */ NULL,
                (GtkClassInitFunc) NULL,
            };

            contact_editor_categories_type = gtk_type_unique (gnome_dialog_get_type (), &contact_editor_categories_info);
        }

    return contact_editor_categories_type;
}

static void
e_contact_editor_categories_class_init (EContactEditorCategoriesClass *klass)
{
    GtkObjectClass *object_class;
    GnomeDialogClass *dialog_class;

    object_class = (GtkObjectClass*) klass;
    dialog_class = (GnomeDialogClass *) klass;

    parent_class = gtk_type_class (gnome_dialog_get_type ());

    gtk_object_add_arg_type ("EContactEditorCategories::categories", GTK_TYPE_STRING,
                 GTK_ARG_READWRITE, ARG_CATEGORIES);
 
    object_class->set_arg = e_contact_editor_categories_set_arg;
    object_class->get_arg = e_contact_editor_categories_get_arg;
    object_class->destroy = e_contact_editor_categories_destroy;
}

gchar *builtin_categories[] = {
    "Business",
    "Competition",
    "Favorites",
    "Gifts",
    "Goals/Objectives",
    "Holiday",
    "Holiday Cards",
    "Hot Contacts",
    "Ideas",
    "International",
    "Key Customer",
    "Miscellaneous",
    "Personal",
    "Phone Calls",
    "Status",
    "Strategies",
    "Suppliers",
    "Time & Expenses",
    "VIP",
    "Waiting",
};

#define BUILTIN_CATEGORY_COUNT (sizeof(builtin_categories) / sizeof(builtin_categories[0]))

static void
add_list_unique(EContactEditorCategories *categories, char *string)
{
    int k;
    char *temp = e_strdup_strip(string);
    char **list = categories->category_list;

    if (!*temp) {
        g_free(temp);
        return;
    }
    for (k = 0; k < categories->list_length; k++) {
        if (!strcmp(list[k], temp)) {
            categories->selected_list[k] = TRUE;
            break;
        }
    }
    if (k == categories->list_length) {
        categories->selected_list[categories->list_length] = TRUE;
        list[categories->list_length++] = temp;
    } else {
        g_free(temp);
    }
}

static void
do_parse_categories(EContactEditorCategories *categories)
{
    char *str = categories->categories;
    int length = strlen(str);
    char *copy = g_new(char, length + 1);
    int i, j;
    char **list;
    int count = 1;

    for (i = 0; i < categories->list_length; i++)
        g_free(categories->category_list[i]);
    g_free(categories->category_list);
    g_free(categories->selected_list);

    for (i = 0; str[i]; i++) {
        switch (str[i]) {
        case '\\':
            i++;
            if (!str[i])
                i--;
            break;
        case ',':
            count ++;
            break;
        }
    }
    list = g_new(char *, count + 1 + BUILTIN_CATEGORY_COUNT);
    categories->category_list = list;

    categories->selected_list = g_new(gboolean, count + 1 + BUILTIN_CATEGORY_COUNT);

    for (count = 0; count < BUILTIN_CATEGORY_COUNT; count++) {
        list[count] = g_strdup(builtin_categories[count]);
        categories->selected_list[count] = 0;
    }

    categories->list_length = count;

    for (i = 0, j = 0; str[i]; i++, j++) {
        switch (str[i]) {
        case '\\':
            i++;
            if (str[i]) {
                copy[j] = str[i];
            } else
                i--;
            break;
        case ',':
            copy[j] = 0;
            add_list_unique(categories, copy);
            j = -1;
            break;
        default:
            copy[j] = str[i];
            break;
        }
    }
    copy[j] = 0;
    add_list_unique(categories, copy);
    g_free(copy);
    e_table_model_changed(categories->model);
}

static void
e_contact_editor_categories_entry_change (GtkWidget *entry, 
                      EContactEditorCategories *categories)
{
    g_free(categories->categories);
    categories->categories = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
    do_parse_categories(categories);
}


#define INITIAL_SPEC "<ETableSpecification no-header=\"1\">            \
    <columns-shown>                                    \
        <column> 0 </column>                       \
        <column> 1 </column>                       \
    </columns-shown>                                   \
    <grouping> <leaf column=\"1\" ascending=\"1\"/> </grouping>    \
</ETableSpecification>"

static void
e_contact_editor_categories_init (EContactEditorCategories *categories)
{
    GladeXML *gui;
    GtkWidget *table;
    ECell *cell_left_just;
    ECell *cell_checkbox;
    ETableHeader *header;
    ETableCol *col;
    GtkWidget *e_table;

    categories->list_length = 0;
    categories->category_list = NULL;
    categories->selected_list = NULL;
    categories->categories = NULL;

    gnome_dialog_append_button ( GNOME_DIALOG(categories),
                     GNOME_STOCK_BUTTON_OK);
    
    gnome_dialog_append_button ( GNOME_DIALOG(categories),
                     GNOME_STOCK_BUTTON_CANCEL);

    gtk_window_set_policy(GTK_WINDOW(categories), FALSE, TRUE, FALSE);

    gui = glade_xml_new (EVOLUTION_GLADEDIR "/categories.glade", NULL);
    categories->gui = gui;

    table = glade_xml_get_widget(gui, "table-categories");
    gtk_widget_ref(table);
    gtk_container_remove(GTK_CONTAINER(table->parent), table);
    gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (categories)->vbox), table, TRUE, TRUE, 0);
    gtk_widget_unref(table);

    categories->entry = glade_xml_get_widget(gui, "entry-categories");
    
    gtk_signal_connect(GTK_OBJECT(categories->entry), "changed",
               GTK_SIGNAL_FUNC(e_contact_editor_categories_entry_change), categories);

    categories->model = e_table_simple_new(e_contact_editor_categories_col_count, 
                           e_contact_editor_categories_row_count,
                           e_contact_editor_categories_value_at,
                           e_contact_editor_categories_set_value_at,
                           e_contact_editor_categories_is_cell_editable,
                           e_contact_editor_categories_duplicate_value,
                           e_contact_editor_categories_free_value,
                           e_contact_editor_categories_initialize_value,
                           e_contact_editor_categories_value_is_empty,
                           e_contact_editor_categories_thaw, 
                           categories);

    header = e_table_header_new();

    cell_checkbox = e_cell_checkbox_new();
    col = e_table_col_new (0, "",
                   0, 20, cell_checkbox,
                   g_int_compare, TRUE);
    e_table_header_add_column (header, col, 0);

    cell_left_just = e_cell_text_new (categories->model, NULL, GTK_JUSTIFY_LEFT);
    col = e_table_col_new (1, "Category",
                   1.0, 20, cell_left_just,
                   g_str_compare, TRUE);
    e_table_header_add_column (header, col, 1);

    e_table = e_table_new (header, categories->model, INITIAL_SPEC);

    gtk_object_sink(GTK_OBJECT(categories->model));
    
    gtk_widget_show(e_table);

    gtk_table_attach_defaults(GTK_TABLE(table),
                  e_table, 
                  0, 1,
                  3, 4);
}

void
e_contact_editor_categories_destroy (GtkObject *object)
{
    EContactEditorCategories *categories = E_CONTACT_EDITOR_CATEGORIES(object);
    int i;

    if (categories->gui)
        gtk_object_unref(GTK_OBJECT(categories->gui));

    g_free(categories->categories);
    for (i = 0; i < categories->list_length; i++)
        g_free(categories->category_list[i]);
    g_free(categories->category_list);
    g_free(categories->selected_list);
}

GtkWidget*
e_contact_editor_categories_new (char *categories)
{
    GtkWidget *widget = GTK_WIDGET (gtk_type_new (e_contact_editor_categories_get_type ()));
    gtk_object_set (GTK_OBJECT(widget),
            "categories", categories,
            NULL);
    return widget;
}

static void
e_contact_editor_categories_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
    EContactEditorCategories *e_contact_editor_categories;

    e_contact_editor_categories = E_CONTACT_EDITOR_CATEGORIES (o);
    
    switch (arg_id){
    case ARG_CATEGORIES:
        gtk_entry_set_text(GTK_ENTRY(e_contact_editor_categories->entry), GTK_VALUE_STRING (*arg));
        break;
    }
}

static void
e_contact_editor_categories_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
    EContactEditorCategories *e_contact_editor_categories;

    e_contact_editor_categories = E_CONTACT_EDITOR_CATEGORIES (object);

    switch (arg_id) {
    case ARG_CATEGORIES:
        GTK_VALUE_STRING (*arg) = g_strdup(e_contact_editor_categories->categories);
        break;
    default:
        arg->type = GTK_TYPE_INVALID;
        break;
    }
}

/* This function returns the number of columns in our ETableModel. */
static int
e_contact_editor_categories_col_count (ETableModel *etc, gpointer data)
{
    return 2;
}

/* This function returns the number of rows in our ETableModel. */
static int
e_contact_editor_categories_row_count (ETableModel *etc, gpointer data)
{
    EContactEditorCategories *categories = E_CONTACT_EDITOR_CATEGORIES(data);
    return categories->list_length;
}

/* This function returns the value at a particular point in our ETableModel. */
static void *
e_contact_editor_categories_value_at (ETableModel *etc, int col, int row, gpointer data)
{
    EContactEditorCategories *categories = E_CONTACT_EDITOR_CATEGORIES(data);
    if (col == 0)
        return (void *) categories->selected_list[row];
    else
        return categories->category_list[row];
}

/* This function sets the value at a particular point in our ETableModel. */
static void
e_contact_editor_categories_set_value_at (ETableModel *etc, int col, int row, const void *val, gpointer data)
{
    EContactEditorCategories *categories = E_CONTACT_EDITOR_CATEGORIES(data);
    if ( col == 0 ) {
        char **strs;
        int i, j;
        char *string;
        categories->selected_list[row] = (gboolean) val;
        strs = g_new(char *, categories->list_length + 1);
        for (i = 0, j = 0; i < categories->list_length; i++) {
            if (categories->selected_list[i])
                strs[j++] = categories->category_list[i];
        }
        strs[j] = 0;
        string = g_strjoinv(", ", strs);
        gtk_entry_set_text(GTK_ENTRY(categories->entry), string);
        g_free(string);
        g_free(strs);
    }
    if ( col == 1 )
        return;
}

/* This function returns whether a particular cell is editable. */
static gboolean
e_contact_editor_categories_is_cell_editable (ETableModel *etc, int col, int row, gpointer data)
{
    return col == 0;
}

/* This function duplicates the value passed to it. */
static void *
e_contact_editor_categories_duplicate_value (ETableModel *etc, int col, const void *value, gpointer data)
{
    if (col == 0)
        return (void *)value;
    else
        return g_strdup(value);
}

/* This function frees the value passed to it. */
static void
e_contact_editor_categories_free_value (ETableModel *etc, int col, void *value, gpointer data)
{
    if (col == 0)
        return;
    else
        g_free(value);
}

static void *
e_contact_editor_categories_initialize_value (ETableModel *etc, int col, gpointer data)
{
    if (col == 0)
        return NULL;
    else
        return g_strdup("");
}

static gboolean
e_contact_editor_categories_value_is_empty (ETableModel *etc, int col, const void *value, gpointer data)
{
    if (col == 0)
        return value == NULL;
    else
        return !(value && *(char *)value);
}

/* This function is for when the model is unfrozen.  This can mostly
   be ignored for simple models.  */
static void
e_contact_editor_categories_thaw (ETableModel *etc, gpointer data)
{
    e_table_model_changed(etc);
}