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author | nobody <nobody@localhost> | 2002-11-01 21:26:26 +0800 |
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committer | nobody <nobody@localhost> | 2002-11-01 21:26:26 +0800 |
commit | 0ffd79d9eacd8e9049779e19c9f9c0f3e11e48c4 (patch) | |
tree | 8ae783cd6c35d09da0b72d5d0a203f8980c8eddf /widgets/table/e-table-sorter.c | |
parent | 8ae8cb35257f42c905c86eb424759fdfde97eb41 (diff) | |
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This commit was manufactured by cvs2svn to create tagRELEASE_1_0_1
'RELEASE_1_0_1'.
svn path=/tags/RELEASE_1_0_1/; revision=18481
Diffstat (limited to 'widgets/table/e-table-sorter.c')
-rw-r--r-- | widgets/table/e-table-sorter.c | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/widgets/table/e-table-sorter.c b/widgets/table/e-table-sorter.c deleted file mode 100644 index 8c530dca90..0000000000 --- a/widgets/table/e-table-sorter.c +++ /dev/null @@ -1,450 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-table-sorter.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library 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 <stdlib.h> -#include <string.h> -#include <gtk/gtksignal.h> -#include "gal/util/e-util.h" -#include "e-table-sorter.h" - -#define d(x) - -/* The arguments we take */ -enum { - ARG_0, - ARG_SORT_INFO -}; - -#define PARENT_TYPE e_sorter_get_type() - -#define INCREMENT_AMOUNT 100 - -static ESorterClass *parent_class; - -static void ets_model_changed (ETableModel *etm, ETableSorter *ets); -static void ets_model_row_changed (ETableModel *etm, int row, ETableSorter *ets); -static void ets_model_cell_changed (ETableModel *etm, int col, int row, ETableSorter *ets); -static void ets_model_rows_inserted (ETableModel *etm, int row, int count, ETableSorter *ets); -static void ets_model_rows_deleted (ETableModel *etm, int row, int count, ETableSorter *ets); -static void ets_sort_info_changed (ETableSortInfo *info, ETableSorter *ets); -static void ets_clean (ETableSorter *ets); -static void ets_sort (ETableSorter *ets); -static void ets_backsort (ETableSorter *ets); - -static gint ets_model_to_sorted (ESorter *sorter, int row); -static gint ets_sorted_to_model (ESorter *sorter, int row); -static void ets_get_model_to_sorted_array (ESorter *sorter, int **array, int *count); -static void ets_get_sorted_to_model_array (ESorter *sorter, int **array, int *count); -static gboolean ets_needs_sorting (ESorter *ets); - -static void -ets_destroy (GtkObject *object) -{ - ETableSorter *ets = E_TABLE_SORTER (object); - - gtk_signal_disconnect (GTK_OBJECT (ets->source), - ets->table_model_changed_id); - gtk_signal_disconnect (GTK_OBJECT (ets->source), - ets->table_model_row_changed_id); - gtk_signal_disconnect (GTK_OBJECT (ets->source), - ets->table_model_cell_changed_id); - gtk_signal_disconnect (GTK_OBJECT (ets->source), - ets->table_model_rows_inserted_id); - gtk_signal_disconnect (GTK_OBJECT (ets->source), - ets->table_model_rows_deleted_id); - gtk_signal_disconnect (GTK_OBJECT (ets->sort_info), - ets->sort_info_changed_id); - gtk_signal_disconnect (GTK_OBJECT (ets->sort_info), - ets->group_info_changed_id); - - ets->table_model_changed_id = 0; - ets->table_model_row_changed_id = 0; - ets->table_model_cell_changed_id = 0; - ets->table_model_rows_inserted_id = 0; - ets->table_model_rows_deleted_id = 0; - ets->sort_info_changed_id = 0; - ets->group_info_changed_id = 0; - - if (ets->sort_info) - gtk_object_unref(GTK_OBJECT(ets->sort_info)); - ets->sort_info = NULL; - - if (ets->full_header) - gtk_object_unref(GTK_OBJECT(ets->full_header)); - ets->full_header = NULL; - - if (ets->source) - gtk_object_unref(GTK_OBJECT(ets->source)); - ets->source = NULL; - - GTK_OBJECT_CLASS (parent_class)->destroy (object); -} - -static void -ets_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) -{ - ETableSorter *ets = E_TABLE_SORTER (object); - - switch (arg_id) { - case ARG_SORT_INFO: - if (ets->sort_info) { - if (ets->sort_info_changed_id) - gtk_signal_disconnect(GTK_OBJECT(ets->sort_info), ets->sort_info_changed_id); - if (ets->group_info_changed_id) - gtk_signal_disconnect(GTK_OBJECT(ets->sort_info), ets->group_info_changed_id); - gtk_object_unref(GTK_OBJECT(ets->sort_info)); - } - - ets->sort_info = E_TABLE_SORT_INFO(GTK_VALUE_OBJECT (*arg)); - gtk_object_ref(GTK_OBJECT(ets->sort_info)); - ets->sort_info_changed_id = gtk_signal_connect (GTK_OBJECT (ets->sort_info), "sort_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); - ets->group_info_changed_id = gtk_signal_connect (GTK_OBJECT (ets->sort_info), "group_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); - - ets_clean (ets); - break; - default: - break; - } -} - -static void -ets_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) -{ - ETableSorter *ets = E_TABLE_SORTER (object); - switch (arg_id) { - case ARG_SORT_INFO: - GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(ets->sort_info); - break; - } -} - -static void -ets_class_init (ETableSorterClass *klass) -{ - GtkObjectClass *object_class = GTK_OBJECT_CLASS(klass); - ESorterClass *sorter_class = E_SORTER_CLASS(klass); - - parent_class = gtk_type_class (PARENT_TYPE); - - object_class->destroy = ets_destroy; - object_class->set_arg = ets_set_arg; - object_class->get_arg = ets_get_arg; - - sorter_class->model_to_sorted = ets_model_to_sorted ; - sorter_class->sorted_to_model = ets_sorted_to_model ; - sorter_class->get_model_to_sorted_array = ets_get_model_to_sorted_array ; - sorter_class->get_sorted_to_model_array = ets_get_sorted_to_model_array ; - sorter_class->needs_sorting = ets_needs_sorting ; - - gtk_object_add_arg_type ("ETableSorter::sort_info", GTK_TYPE_OBJECT, - GTK_ARG_READWRITE, ARG_SORT_INFO); -} - -static void -ets_init (ETableSorter *ets) -{ - ets->full_header = NULL; - ets->sort_info = NULL; - ets->source = NULL; - - ets->needs_sorting = -1; - - ets->table_model_changed_id = 0; - ets->table_model_row_changed_id = 0; - ets->table_model_cell_changed_id = 0; - ets->table_model_rows_inserted_id = 0; - ets->table_model_rows_deleted_id = 0; - ets->sort_info_changed_id = 0; - ets->group_info_changed_id = 0; -} - -E_MAKE_TYPE(e_table_sorter, "ETableSorter", ETableSorter, ets_class_init, ets_init, PARENT_TYPE) - -ETableSorter * -e_table_sorter_new (ETableModel *source, ETableHeader *full_header, ETableSortInfo *sort_info) -{ - ETableSorter *ets = gtk_type_new (E_TABLE_SORTER_TYPE); - - ets->sort_info = sort_info; - gtk_object_ref(GTK_OBJECT(ets->sort_info)); - ets->full_header = full_header; - gtk_object_ref(GTK_OBJECT(ets->full_header)); - ets->source = source; - gtk_object_ref(GTK_OBJECT(ets->source)); - - ets->table_model_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_changed", - GTK_SIGNAL_FUNC (ets_model_changed), ets); - ets->table_model_row_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_row_changed", - GTK_SIGNAL_FUNC (ets_model_row_changed), ets); - ets->table_model_cell_changed_id = gtk_signal_connect (GTK_OBJECT (source), "model_cell_changed", - GTK_SIGNAL_FUNC (ets_model_cell_changed), ets); - ets->table_model_rows_inserted_id = gtk_signal_connect (GTK_OBJECT (source), "model_rows_inserted", - GTK_SIGNAL_FUNC (ets_model_rows_inserted), ets); - ets->table_model_rows_deleted_id = gtk_signal_connect (GTK_OBJECT (source), "model_rows_deleted", - GTK_SIGNAL_FUNC (ets_model_rows_deleted), ets); - ets->sort_info_changed_id = gtk_signal_connect (GTK_OBJECT (sort_info), "sort_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); - ets->group_info_changed_id = gtk_signal_connect (GTK_OBJECT (sort_info), "group_info_changed", - GTK_SIGNAL_FUNC (ets_sort_info_changed), ets); - - return ets; -} - -static void -ets_model_changed (ETableModel *etm, ETableSorter *ets) -{ - ets_clean(ets); -} - -static void -ets_model_row_changed (ETableModel *etm, int row, ETableSorter *ets) -{ - ets_clean(ets); -} - -static void -ets_model_cell_changed (ETableModel *etm, int col, int row, ETableSorter *ets) -{ - ets_clean(ets); -} - -static void -ets_model_rows_inserted (ETableModel *etm, int row, int count, ETableSorter *ets) -{ - ets_clean(ets); -} - -static void -ets_model_rows_deleted (ETableModel *etm, int row, int count, ETableSorter *ets) -{ - ets_clean(ets); -} - -static void -ets_sort_info_changed (ETableSortInfo *info, ETableSorter *ets) -{ - d(g_print ("sort info changed\n")); - ets_clean(ets); -} - -static ETableSorter *ets_closure; -static void **vals_closure; -static int cols_closure; -static int *ascending_closure; -static GCompareFunc *compare_closure; - -/* FIXME: Make it not cache the second and later columns (as if anyone cares.) */ - -static int -qsort_callback(const void *data1, const void *data2) -{ - gint row1 = *(int *)data1; - gint row2 = *(int *)data2; - int j; - int sort_count = e_table_sort_info_sorting_get_count(ets_closure->sort_info) + e_table_sort_info_grouping_get_count(ets_closure->sort_info); - int comp_val = 0; - int ascending = 1; - for (j = 0; j < sort_count; j++) { - comp_val = (*(compare_closure[j]))(vals_closure[cols_closure * row1 + j], vals_closure[cols_closure * row2 + j]); - ascending = ascending_closure[j]; - if (comp_val != 0) - break; - } - if (comp_val == 0) { - if (row1 < row2) - comp_val = -1; - if (row1 > row2) - comp_val = 1; - } - if (!ascending) - comp_val = -comp_val; - return comp_val; -} - -static void -ets_clean(ETableSorter *ets) -{ - g_free(ets->sorted); - ets->sorted = NULL; - - g_free(ets->backsorted); - ets->backsorted = NULL; - - ets->needs_sorting = -1; -} - - -static void -ets_sort(ETableSorter *ets) -{ - int rows; - int i; - int j; - int cols; - int group_cols; - - if (ets->sorted) - return; - - rows = e_table_model_row_count(ets->source); - group_cols = e_table_sort_info_grouping_get_count(ets->sort_info); - cols = e_table_sort_info_sorting_get_count(ets->sort_info) + group_cols; - - ets->sorted = g_new(int, rows); - for (i = 0; i < rows; i++) - ets->sorted[i] = i; - - cols_closure = cols; - ets_closure = ets; - - vals_closure = g_new(void *, rows * cols); - ascending_closure = g_new(int, cols); - compare_closure = g_new(GCompareFunc, cols); - - for (j = 0; j < cols; j++) { - ETableSortColumn column; - ETableCol *col; - - if (j < group_cols) - column = e_table_sort_info_grouping_get_nth(ets->sort_info, j); - else - column = e_table_sort_info_sorting_get_nth(ets->sort_info, j - group_cols); - - col = e_table_header_get_column_by_col_idx(ets->full_header, column.column); - if (col == NULL) - col = e_table_header_get_column (ets->full_header, e_table_header_count (ets->full_header) - 1); - - for (i = 0; i < rows; i++) { - vals_closure[i * cols + j] = e_table_model_value_at (ets->source, col->col_idx, i); - } - - compare_closure[j] = col->compare; - ascending_closure[j] = column.ascending; - } - - qsort(ets->sorted, rows, sizeof(int), qsort_callback); - - g_free(vals_closure); - g_free(ascending_closure); - g_free(compare_closure); -} - -static void -ets_backsort(ETableSorter *ets) -{ - int i, rows; - - if (ets->backsorted) - return; - - ets_sort(ets); - - rows = e_table_model_row_count(ets->source); - ets->backsorted = g_new0(int, rows); - - for (i = 0; i < rows; i++) { - ets->backsorted[ets->sorted[i]] = i; - } -} - - -static gint -ets_model_to_sorted (ESorter *es, int row) -{ - ETableSorter *ets = E_TABLE_SORTER(es); - int rows = e_table_model_row_count(ets->source); - - g_return_val_if_fail(row >= 0, -1); - g_return_val_if_fail(row < rows, -1); - - if (ets_needs_sorting(es)) - ets_backsort(ets); - - if (ets->backsorted) - return ets->backsorted[row]; - else - return row; -} - -static gint -ets_sorted_to_model (ESorter *es, int row) -{ - ETableSorter *ets = E_TABLE_SORTER(es); - int rows = e_table_model_row_count(ets->source); - - g_return_val_if_fail(row >= 0, -1); - g_return_val_if_fail(row < rows, -1); - - if (ets_needs_sorting(es)) - ets_sort(ets); - - if (ets->sorted) - return ets->sorted[row]; - else - return row; -} - -static void -ets_get_model_to_sorted_array (ESorter *es, int **array, int *count) -{ - ETableSorter *ets = E_TABLE_SORTER(es); - if (array || count) { - ets_backsort(ets); - - if (array) - *array = ets->backsorted; - if (count) - *count = e_table_model_row_count(ets->source); - } -} - -static void -ets_get_sorted_to_model_array (ESorter *es, int **array, int *count) -{ - ETableSorter *ets = E_TABLE_SORTER(es); - if (array || count) { - ets_sort(ets); - - if (array) - *array = ets->sorted; - if (count) - *count = e_table_model_row_count(ets->source); - } -} - - -static gboolean -ets_needs_sorting(ESorter *es) -{ - ETableSorter *ets = E_TABLE_SORTER(es); - if (ets->needs_sorting < 0) { - if (e_table_sort_info_sorting_get_count(ets->sort_info) + e_table_sort_info_grouping_get_count(ets->sort_info)) - ets->needs_sorting = 1; - else - ets->needs_sorting = 0; - } - return ets->needs_sorting; -} |