/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
*
* Author:
* Christopher James Lahey <clahey@helixcode.com>
*
* (C) 1999 Helix Code, Inc.
*/
#include <config.h>
#include "gal-define-views-model.h"
#include <gnome-xml/tree.h>
#include <gnome-xml/parser.h>
#include <gnome-xml/xmlmemory.h>
#include <gnome.h>
#define PARENT_TYPE e_table_model_get_type()
ETableModelClass *parent_class;
/*
* GalDefineViewsModel callbacks
* These are the callbacks that define the behavior of our custom model.
*/
static void gal_define_views_model_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
static void gal_define_views_model_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
enum {
ARG_0,
ARG_EDITABLE,
};
static void
gdvm_destroy(GtkObject *object)
{
GalDefineViewsModel *model = GAL_DEFINE_VIEWS_MODEL(object);
int i;
for ( i = 0; i < model->data_count; i++ ) {
gtk_object_unref(GTK_OBJECT(model->data[i]));
}
g_free(model->data);
}
/* This function returns the number of columns in our ETableModel. */
static int
gdvm_col_count (ETableModel *etc)
{
return 1;
}
/* This function returns the number of rows in our ETableModel. */
static int
gdvm_row_count (ETableModel *etc)
{
GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL(etc);
return views->data_count;
}
/* This function returns the value at a particular point in our ETableModel. */
static void *
gdvm_value_at (ETableModel *etc, int col, int row)
{
GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL(etc);
const char *value;
if (col != 0 || row < 0 || row > views->data_count)
return NULL;
value = gal_view_get_title (views->data[row]);
return (void *)(value ? value : "");
}
/* This function sets the value at a particular point in our ETableModel. */
static void
gdvm_set_value_at (ETableModel *etc, int col, int row, const void *val)
{
GalDefineViewsModel *views = GAL_DEFINE_VIEWS_MODEL(etc);
if (views->editable) {
if (col != 0 || row < 0 || row > views->data_count)
return;
gal_view_set_title(views->data[row], val);
e_table_model_cell_changed(etc, col, row);
}
}
/* This function returns whether a particular cell is editable. */
static gboolean
gdvm_is_cell_editable (ETableModel *etc, int col, int row)
{
return GAL_DEFINE_VIEWS_MODEL(etc)->editable;
}
static void
gdvm_append_row (ETableModel *etm, ETableModel *source, gint row)
{
}
/* This function duplicates the value passed to it. */
static void *
gdvm_duplicate_value (ETableModel *etc, int col, const void *value)
{
return g_strdup(value);
}
/* This function frees the value passed to it. */
static void
gdvm_free_value (ETableModel *etc, int col, void *value)
{
g_free(value);
}
static void *
gdvm_initialize_value (ETableModel *etc, int col)
{
return g_strdup("");
}
static gboolean
gdvm_value_is_empty (ETableModel *etc, int col, const void *value)
{
return !(value && *(char *)value);
}
static char *
gdvm_value_to_string (ETableModel *etc, int col, const void *value)
{
return g_strdup(value);
}
/**
* gal_define_views_model_append
* @model: The model to add to.
* @view: The view to add.
*
* Adds the given view to the gal define views model.
*/
void
gal_define_views_model_append (GalDefineViewsModel *model,
GalView *view)
{
ETableModel *etm = E_TABLE_MODEL(model);
e_table_model_pre_change(etm);
model->data = g_renew(GalView *, model->data, model->data_count + 1);
model->data[model->data_count] = view;
model->data_count++;
gtk_object_ref(GTK_OBJECT(view));
e_table_model_row_inserted(etm, model->data_count - 1);
}
static void
gal_define_views_model_class_init (GtkObjectClass *object_class)
{
ETableModelClass *model_class = (ETableModelClass *) object_class;
parent_class = gtk_type_class (PARENT_TYPE);
object_class->destroy = gdvm_destroy;
object_class->set_arg = gal_define_views_model_set_arg;
object_class->get_arg = gal_define_views_model_get_arg;
gtk_object_add_arg_type ("GalDefineViewsModel::editable", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_EDITABLE);
model_class->column_count = gdvm_col_count;
model_class->row_count = gdvm_row_count;
model_class->value_at = gdvm_value_at;
model_class->set_value_at = gdvm_set_value_at;
model_class->is_cell_editable = gdvm_is_cell_editable;
model_class->append_row = gdvm_append_row;
model_class->duplicate_value = gdvm_duplicate_value;
model_class->free_value = gdvm_free_value;
model_class->initialize_value = gdvm_initialize_value;
model_class->value_is_empty = gdvm_value_is_empty;
model_class->value_to_string = gdvm_value_to_string;
}
static void
gal_define_views_model_init (GtkObject *object)
{
GalDefineViewsModel *model = GAL_DEFINE_VIEWS_MODEL(object);
model->data = NULL;
model->data_count = 0;
model->editable = TRUE;
}
static void
gal_define_views_model_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
GalDefineViewsModel *model;
model = GAL_DEFINE_VIEWS_MODEL (o);
switch (arg_id){
case ARG_EDITABLE:
model->editable = GTK_VALUE_BOOL (*arg);
break;
}
}
static void
gal_define_views_model_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
GalDefineViewsModel *gal_define_views_model;
gal_define_views_model = GAL_DEFINE_VIEWS_MODEL (object);
switch (arg_id) {
case ARG_EDITABLE:
GTK_VALUE_BOOL (*arg) = gal_define_views_model->editable;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
GtkType
gal_define_views_model_get_type (void)
{
static GtkType type = 0;
if (!type){
GtkTypeInfo info = {
"GalDefineViewsModel",
sizeof (GalDefineViewsModel),
sizeof (GalDefineViewsModelClass),
(GtkClassInitFunc) gal_define_views_model_class_init,
(GtkObjectInitFunc) gal_define_views_model_init,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (PARENT_TYPE, &info);
}
return type;
}
/**
* gal_define_views_model_new
*
* Returns a new define views model. This is a list of views as an
* ETable for use in the GalDefineViewsDialog.
*
* Returns: The new GalDefineViewsModel.
*/
ETableModel *
gal_define_views_model_new (void)
{
GalDefineViewsModel *et;
et = gtk_type_new (gal_define_views_model_get_type ());
return E_TABLE_MODEL(et);
}
/**
* gal_define_views_model_get_view:
* @model: The GalDefineViewsModel.
* @n: Which view to get.
*
* Gets the nth view.
*
* Returns: The view.
*/
GalView *
gal_define_views_model_get_view (GalDefineViewsModel *model,
int n)
{
return model->data[n];
}
/**
* gal_define_views_model_delete_view:
* @model: The GalDefineViewsModel.
* @n: Which view to delete.
*
* Deletes the nth view.
*/
void
gal_define_views_model_delete_view (GalDefineViewsModel *model,
int n)
{
e_table_model_pre_change(E_TABLE_MODEL(model));
gtk_object_unref(GTK_OBJECT(model->data[n]));
model->data_count --;
memmove(model->data + n, model->data + n + 1, (model->data_count - n) * sizeof(*model->data));
model->data = g_renew(GalView *, model->data, model->data_count);
e_table_model_row_deleted(E_TABLE_MODEL(model), n);
}
/**
* gal_define_views_model_copy_view:
* @model: The GalDefineViewsModel.
* @n: Which view to copy.
*
* Copys the nth view.
*/
void
gal_define_views_model_copy_view (GalDefineViewsModel *model,
int n)
{
ETableModel *etm = E_TABLE_MODEL(model);
GalView *view;
view = gal_view_clone (model->data[n]);
e_table_model_pre_change(etm);
model->data = g_renew(GalView *, model->data, model->data_count + 1);
model->data[model->data_count] = view;
model->data_count++;
e_table_model_row_inserted(etm, model->data_count - 1);
}
