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evolution/widgets/table/e-table-subset.c
Christopher James Lahey 40d58afa7c Added e-table/e-table-sorting-utils.lo. 
2001-02-23  Christopher James Lahey  <clahey@ximian.com>

	* gal/Makefile.am (libgal_la_LIBADD): Added
	e-table/e-table-sorting-utils.lo.

From gal/e-table/ChangeLog:

2001-02-23  Christopher James Lahey  <clahey@ximian.com>

	* Makefile.am (libetable_la_SOURCES): Added
	e-table-sorting-utils.c.
	(libetableinclude_HEADERS): Added e-table-sorting-utils.h.

	* e-table-group-container.c: Implemented add_array method.  Use
	add_array to implement add_all instead of using add.  Did some
	general clean up.

	* e-table-group-leaf.c, e-table-group-leaf.h: Implemented
	add_array method.  Changed everything to use an ETableSubset
	variable instead of an ETableSortedVariable.  Implemented it as
	ETableSortedVariable if there's grouping involved and ETableSorted
	if there isn't.

	* e-table-group.c, e-table-group.h: Added add_array method.  Added
	unused get_position code.

	* e-table-sorted-variable.c, e-table-sorted-variable.h: Moved a
	lot of the actual implementation of sorting to
	e-table-sorting-utils.c.  Got rid of the signal handlers here
	since we weren't using them and ETableSubset has the proxy virtual
	methods.

	* e-table-sorted.c, e-table-sorted.h: Completely replaced these
	files with a variation on ETableSortedVariable that doesn't have
	the add methods and such but instead just mimics the source
	model's set of rows completely.

	* e-table-sorter.c, e-table-sorter.h: Added functions to get at
	the arrays here.

	* e-table-sorting-utils.c, e-table-sorting-utils.h: Utility
	functions for doing sorting.

	* e-table-subset-variable.c, e-table-subset-variable.h: Added
	add_array method.

	* e-table-subset.c, e-table-subset.h: Made it so that the signal
	hookups to the source model's signals are virtual methods.

	* e-table.c, e-table.h: Don't call add_all and add and remove type
	functions if not grouped.  Don't rebuild for sort changes unless
	it was either grouped before or will be grouped now.

svn path=/trunk/; revision=8374
2001-02-23 23:00:09 +00:00

382 lines
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* E-table-subset.c: Implements a table that contains a subset of another table.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* (C) 1999 Ximian, Inc.
*/
#include <config.h>
#include <stdlib.h>
#include <gtk/gtksignal.h>
#include "gal/util/e-util.h"
#include "e-table-subset.h"
static void etss_proxy_model_pre_change_real (ETableSubset *etss, ETableModel *etm);
static void etss_proxy_model_changed_real (ETableSubset *etss, ETableModel *etm);
static void etss_proxy_model_row_changed_real (ETableSubset *etss, ETableModel *etm, int row);
static void etss_proxy_model_cell_changed_real (ETableSubset *etss, ETableModel *etm, int col, int row);
#define PARENT_TYPE E_TABLE_MODEL_TYPE
#define d(x)
static ETableModelClass *etss_parent_class;
#define ETSS_CLASS(object) (E_TABLE_SUBSET_CLASS(GTK_OBJECT(object)->klass))
static void
etss_destroy (GtkObject *object)
{
ETableSubset *etss = E_TABLE_SUBSET (object);
if (etss->source) {
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_pre_change_id);
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_changed_id);
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_row_changed_id);
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_cell_changed_id);
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_row_inserted_id);
gtk_signal_disconnect (GTK_OBJECT (etss->source),
etss->table_model_row_deleted_id);
gtk_object_unref (GTK_OBJECT (etss->source));
etss->source = NULL;
etss->table_model_changed_id = 0;
etss->table_model_row_changed_id = 0;
etss->table_model_cell_changed_id = 0;
etss->table_model_row_inserted_id = 0;
etss->table_model_row_deleted_id = 0;
}
g_free (etss->map_table);
GTK_OBJECT_CLASS (etss_parent_class)->destroy (object);
}
static int
etss_column_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_column_count (etss->source);
}
static int
etss_row_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return etss->n_map;
}
static void *
etss_value_at (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
etss->last_access = row;
d(g_print("g) Setting last_access to %d\n", row));
return e_table_model_value_at (etss->source, col, etss->map_table [row]);
}
static void
etss_set_value_at (ETableModel *etm, int col, int row, const void *val)
{
ETableSubset *etss = (ETableSubset *)etm;
etss->last_access = row;
d(g_print("h) Setting last_access to %d\n", row));
return e_table_model_set_value_at (etss->source, col, etss->map_table [row], val);
}
static gboolean
etss_is_cell_editable (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_is_cell_editable (etss->source, col, etss->map_table [row]);
}
static void
etss_append_row (ETableModel *etm, ETableModel *source, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
e_table_model_append_row (etss->source, source, row);
}
static void *
etss_duplicate_value (ETableModel *etm, int col, const void *value)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_duplicate_value (etss->source, col, value);
}
static void
etss_free_value (ETableModel *etm, int col, void *value)
{
ETableSubset *etss = (ETableSubset *)etm;
e_table_model_free_value (etss->source, col, value);
}
static void *
etss_initialize_value (ETableModel *etm, int col)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_initialize_value (etss->source, col);
}
static gboolean
etss_value_is_empty (ETableModel *etm, int col, const void *value)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_value_is_empty (etss->source, col, value);
}
static char *
etss_value_to_string (ETableModel *etm, int col, const void *value)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_value_to_string (etss->source, col, value);
}
static void
etss_class_init (GtkObjectClass *object_class)
{
ETableSubsetClass *klass = (ETableSubsetClass *) object_class;
ETableModelClass *table_class = (ETableModelClass *) object_class;
etss_parent_class = gtk_type_class (PARENT_TYPE);
object_class->destroy = etss_destroy;
table_class->column_count = etss_column_count;
table_class->row_count = etss_row_count;
table_class->value_at = etss_value_at;
table_class->set_value_at = etss_set_value_at;
table_class->is_cell_editable = etss_is_cell_editable;
table_class->append_row = etss_append_row;
table_class->duplicate_value = etss_duplicate_value;
table_class->free_value = etss_free_value;
table_class->initialize_value = etss_initialize_value;
table_class->value_is_empty = etss_value_is_empty;
table_class->value_to_string = etss_value_to_string;
klass->proxy_model_pre_change = etss_proxy_model_pre_change_real;
klass->proxy_model_changed = etss_proxy_model_changed_real;
klass->proxy_model_row_changed = etss_proxy_model_row_changed_real;
klass->proxy_model_cell_changed = etss_proxy_model_cell_changed_real;
klass->proxy_model_row_inserted = NULL;
klass->proxy_model_row_deleted = NULL;
}
static void
etss_init (ETableSubset *etss)
{
etss->last_access = 0;
}
E_MAKE_TYPE(e_table_subset, "ETableSubset", ETableSubset, etss_class_init, etss_init, PARENT_TYPE);
static void
etss_proxy_model_pre_change_real (ETableSubset *etss, ETableModel *etm)
{
e_table_model_pre_change (E_TABLE_MODEL (etss));
}
static void
etss_proxy_model_changed_real (ETableSubset *etss, ETableModel *etm)
{
e_table_model_changed (E_TABLE_MODEL (etss));
}
static void
etss_proxy_model_row_changed_real (ETableSubset *etss, ETableModel *etm, int row)
{
int limit;
const int n = etss->n_map;
const int * const map_table = etss->map_table;
int i;
limit = MIN(n, etss->last_access + 10);
for (i = etss->last_access; i < limit; i++) {
if (map_table [i] == row){
e_table_model_row_changed (E_TABLE_MODEL (etss), i);
d(g_print("a) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
limit = MAX(0, etss->last_access - 10);
for (i = etss->last_access - 1; i >= limit; i--) {
if (map_table [i] == row){
e_table_model_row_changed (E_TABLE_MODEL (etss), i);
d(g_print("b) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
for (i = 0; i < n; i++){
if (map_table [i] == row){
e_table_model_row_changed (E_TABLE_MODEL (etss), i);
d(g_print("c) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
}
static void
etss_proxy_model_cell_changed_real (ETableSubset *etss, ETableModel *etm, int col, int row)
{
int limit;
const int n = etss->n_map;
const int * const map_table = etss->map_table;
int i;
limit = MIN(n, etss->last_access + 10);
for (i = etss->last_access; i < limit; i++) {
if (map_table [i] == row){
e_table_model_cell_changed (E_TABLE_MODEL (etss), col, i);
d(g_print("d) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
limit = MAX(0, etss->last_access - 10);
for (i = etss->last_access - 1; i >= limit; i--) {
if (map_table [i] == row){
e_table_model_cell_changed (E_TABLE_MODEL (etss), col, i);
d(g_print("e) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
for (i = 0; i < n; i++){
if (map_table [i] == row){
e_table_model_cell_changed (E_TABLE_MODEL (etss), col, i);
d(g_print("f) Found %d from %d\n", i, etss->last_access));
etss->last_access = i;
return;
}
}
}
static void
etss_proxy_model_pre_change (ETableModel *etm, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_pre_change)
(ETSS_CLASS(etss)->proxy_model_pre_change) (etss, etm);
}
static void
etss_proxy_model_changed (ETableModel *etm, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_changed)
(ETSS_CLASS(etss)->proxy_model_changed) (etss, etm);
}
static void
etss_proxy_model_row_changed (ETableModel *etm, int row, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_row_changed)
(ETSS_CLASS(etss)->proxy_model_row_changed) (etss, etm, row);
}
static void
etss_proxy_model_cell_changed (ETableModel *etm, int row, int col, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_cell_changed)
(ETSS_CLASS(etss)->proxy_model_cell_changed) (etss, etm, col, row);
}
static void
etss_proxy_model_row_inserted (ETableModel *etm, int row, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_row_inserted)
(ETSS_CLASS(etss)->proxy_model_row_inserted) (etss, etm, row);
}
static void
etss_proxy_model_row_deleted (ETableModel *etm, int row, ETableSubset *etss)
{
if (ETSS_CLASS(etss)->proxy_model_row_deleted)
(ETSS_CLASS(etss)->proxy_model_row_deleted) (etss, etm, row);
}
ETableModel *
e_table_subset_construct (ETableSubset *etss, ETableModel *source, int nvals)
{
unsigned int *buffer;
int i;
if (nvals) {
buffer = (unsigned int *) g_malloc (sizeof (unsigned int) * nvals);
if (buffer == NULL)
return NULL;
} else
buffer = NULL;
etss->map_table = buffer;
etss->n_map = nvals;
etss->source = source;
gtk_object_ref (GTK_OBJECT (source));
/* Init */
for (i = 0; i < nvals; i++)
etss->map_table [i] = i;
etss->table_model_pre_change_id = gtk_signal_connect (GTK_OBJECT (source), "model_pre_change",
GTK_SIGNAL_FUNC (etss_proxy_model_pre_change), etss);
etss->table_model_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_changed), etss);
etss->table_model_row_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_row_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_row_changed), etss);
etss->table_model_cell_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_cell_changed",
GTK_SIGNAL_FUNC (etss_proxy_model_cell_changed), etss);
etss->table_model_row_inserted_id = gtk_signal_connect (GTK_OBJECT (source), "model_row_inserted",
GTK_SIGNAL_FUNC (etss_proxy_model_row_inserted), etss);
etss->table_model_row_deleted_id = gtk_signal_connect (GTK_OBJECT (source), "model_row_deleted",
GTK_SIGNAL_FUNC (etss_proxy_model_row_deleted), etss);
return E_TABLE_MODEL (etss);
}
ETableModel *
e_table_subset_new (ETableModel *source, const int nvals)
{
ETableSubset *etss = gtk_type_new (E_TABLE_SUBSET_TYPE);
if (e_table_subset_construct (etss, source, nvals) == NULL){
gtk_object_unref (GTK_OBJECT (etss));
return NULL;
}
return (ETableModel *) etss;
}
ETableModel *
e_table_subset_get_toplevel (ETableSubset *table)
{
g_return_val_if_fail (table != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_SUBSET (table), NULL);
if (E_IS_TABLE_SUBSET (table->source))
return e_table_subset_get_toplevel (E_TABLE_SUBSET (table->source));
else
return table->source;
}
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