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-rw-r--r--widgets/table/e-table-sorting-utils.c349
1 files changed, 0 insertions, 349 deletions
diff --git a/widgets/table/e-table-sorting-utils.c b/widgets/table/e-table-sorting-utils.c
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index 80a9564a36..0000000000
--- a/widgets/table/e-table-sorting-utils.c
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@@ -1,349 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-table-sorting-utils.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 <string.h>
-#include <e-table-sorting-utils.h>
-#include <gal/util/e-util.h>
-
-#define d(x)
-
-/* This takes source rows. */
-static int
-etsu_compare(ETableModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, int row1, int row2)
-{
- int j;
- int sort_count = e_table_sort_info_sorting_get_count(sort_info);
- int comp_val = 0;
- int ascending = 1;
-
- for (j = 0; j < sort_count; j++) {
- ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, j);
- ETableCol *col;
- col = e_table_header_get_column_by_col_idx(full_header, column.column);
- if (col == NULL)
- col = e_table_header_get_column (full_header, e_table_header_count (full_header) - 1);
- comp_val = (*col->compare)(e_table_model_value_at (source, col->compare_col, row1),
- e_table_model_value_at (source, col->compare_col, row2));
- ascending = column.ascending;
- 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;
-}
-
-typedef struct {
- int cols;
- void **vals;
- int *ascending;
- GCompareFunc *compare;
-} ETableSortClosure;
-
-typedef struct {
- ETreeModel *tree;
- ETableSortInfo *sort_info;
- ETableHeader *full_header;
-} ETreeSortClosure;
-
-/* FIXME: Make it not cache the second and later columns (as if anyone cares.) */
-
-static int
-e_sort_callback(const void *data1, const void *data2, gpointer user_data)
-{
- gint row1 = *(int *)data1;
- gint row2 = *(int *)data2;
- ETableSortClosure *closure = user_data;
- int j;
- int sort_count = closure->cols;
- int comp_val = 0;
- int ascending = 1;
- for (j = 0; j < sort_count; j++) {
- comp_val = (*(closure->compare[j]))(closure->vals[closure->cols * row1 + j], closure->vals[closure->cols * row2 + j]);
- ascending = closure->ascending[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;
-}
-
-void
-e_table_sorting_utils_sort(ETableModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, int *map_table, int rows)
-{
- int total_rows;
- int i;
- int j;
- int cols;
- ETableSortClosure closure;
-
- g_return_if_fail(source != NULL);
- g_return_if_fail(E_IS_TABLE_MODEL(source));
- g_return_if_fail(sort_info != NULL);
- g_return_if_fail(E_IS_TABLE_SORT_INFO(sort_info));
- g_return_if_fail(full_header != NULL);
- g_return_if_fail(E_IS_TABLE_HEADER(full_header));
-
- total_rows = e_table_model_row_count(source);
- cols = e_table_sort_info_sorting_get_count(sort_info);
- closure.cols = cols;
-
- closure.vals = g_new(void *, total_rows * cols);
- closure.ascending = g_new(int, cols);
- closure.compare = g_new(GCompareFunc, cols);
-
- for (j = 0; j < cols; j++) {
- ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, j);
- ETableCol *col;
- col = e_table_header_get_column_by_col_idx(full_header, column.column);
- if (col == NULL)
- col = e_table_header_get_column (full_header, e_table_header_count (full_header) - 1);
- for (i = 0; i < rows; i++) {
- closure.vals[map_table[i] * cols + j] = e_table_model_value_at (source, col->compare_col, map_table[i]);
- }
- closure.compare[j] = col->compare;
- closure.ascending[j] = column.ascending;
- }
-
- e_sort(map_table, rows, sizeof(int), e_sort_callback, &closure);
-
- g_free(closure.vals);
- g_free(closure.ascending);
- g_free(closure.compare);
-}
-
-gboolean
-e_table_sorting_utils_affects_sort (ETableSortInfo *sort_info,
- ETableHeader *full_header,
- int col)
-{
- int j;
- int cols;
-
- g_return_val_if_fail(sort_info != NULL, TRUE);
- g_return_val_if_fail(E_IS_TABLE_SORT_INFO(sort_info), TRUE);
- g_return_val_if_fail(full_header != NULL, TRUE);
- g_return_val_if_fail(E_IS_TABLE_HEADER(full_header), TRUE);
-
- cols = e_table_sort_info_sorting_get_count(sort_info);
-
- for (j = 0; j < cols; j++) {
- ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, j);
- ETableCol *tablecol;
- tablecol = e_table_header_get_column_by_col_idx(full_header, column.column);
- if (tablecol == NULL)
- tablecol = e_table_header_get_column (full_header, e_table_header_count (full_header) - 1);
- if (col == tablecol->compare_col)
- return TRUE;
- }
- return FALSE;
-}
-
-
-/* FIXME: This could be done in time log n instead of time n with a binary search. */
-int
-e_table_sorting_utils_insert(ETableModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, int *map_table, int rows, int row)
-{
- int i;
-
- i = 0;
- /* handle insertions when we have a 'sort group' */
- while (i < rows && etsu_compare(source, sort_info, full_header, map_table[i], row) < 0)
- i++;
-
- return i;
-}
-
-/* FIXME: This could be done in time log n instead of time n with a binary search. */
-int
-e_table_sorting_utils_check_position (ETableModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, int *map_table, int rows, int view_row)
-{
- int i;
- int row;
-
- i = view_row;
- row = map_table[i];
-
- i = view_row;
- if (i < rows - 1 && etsu_compare(source, sort_info, full_header, map_table[i + 1], row) < 0) {
- i ++;
- while (i < rows - 1 && etsu_compare(source, sort_info, full_header, map_table[i], row) < 0)
- i ++;
- } else if (i > 0 && etsu_compare(source, sort_info, full_header, map_table[i - 1], row) > 0) {
- i --;
- while (i > 0 && etsu_compare(source, sort_info, full_header, map_table[i], row) > 0)
- i --;
- }
- return i;
-}
-
-
-
-
-/* This takes source rows. */
-static int
-etsu_tree_compare(ETreeModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, ETreePath path1, ETreePath path2)
-{
- int j;
- int sort_count = e_table_sort_info_sorting_get_count(sort_info);
- int comp_val = 0;
- int ascending = 1;
-
- for (j = 0; j < sort_count; j++) {
- ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, j);
- ETableCol *col;
- col = e_table_header_get_column_by_col_idx(full_header, column.column);
- if (col == NULL)
- col = e_table_header_get_column (full_header, e_table_header_count (full_header) - 1);
- comp_val = (*col->compare)(e_tree_model_value_at (source, path1, col->compare_col),
- e_tree_model_value_at (source, path2, col->compare_col));
- ascending = column.ascending;
- if (comp_val != 0)
- break;
- }
- if (!ascending)
- comp_val = -comp_val;
- return comp_val;
-}
-
-static int
-e_sort_tree_callback(const void *data1, const void *data2, gpointer user_data)
-{
- ETreePath *path1 = *(ETreePath *)data1;
- ETreePath *path2 = *(ETreePath *)data2;
- ETreeSortClosure *closure = user_data;
-
- return etsu_tree_compare(closure->tree, closure->sort_info, closure->full_header, path1, path2);
-}
-
-void
-e_table_sorting_utils_tree_sort(ETreeModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, ETreePath *map_table, int count)
-{
- ETableSortClosure closure;
- int cols;
- int i, j;
- int *map;
- ETreePath *map_copy;
- g_return_if_fail(source != NULL);
- g_return_if_fail(E_IS_TREE_MODEL(source));
- g_return_if_fail(sort_info != NULL);
- g_return_if_fail(E_IS_TABLE_SORT_INFO(sort_info));
- g_return_if_fail(full_header != NULL);
- g_return_if_fail(E_IS_TABLE_HEADER(full_header));
-
- cols = e_table_sort_info_sorting_get_count(sort_info);
- closure.cols = cols;
-
- closure.vals = g_new(void *, count * cols);
- closure.ascending = g_new(int, cols);
- closure.compare = g_new(GCompareFunc, cols);
-
- for (j = 0; j < cols; j++) {
- ETableSortColumn column = e_table_sort_info_sorting_get_nth(sort_info, j);
- ETableCol *col;
-
- col = e_table_header_get_column_by_col_idx(full_header, column.column);
- if (col == NULL)
- col = e_table_header_get_column (full_header, e_table_header_count (full_header) - 1);
-
- for (i = 0; i < count; i++) {
- closure.vals[i * cols + j] = e_tree_model_value_at (source, map_table[i], col->compare_col);
- }
- closure.ascending[j] = column.ascending;
- closure.compare[j] = col->compare;
- }
-
- map = g_new(int, count);
- for (i = 0; i < count; i++) {
- map[i] = i;
- }
-
- e_sort(map, count, sizeof(int), e_sort_callback, &closure);
-
- map_copy = g_new(ETreePath, count);
- for (i = 0; i < count; i++) {
- map_copy[i] = map_table[i];
- }
- for (i = 0; i < count; i++) {
- map_table[i] = map_copy[map[i]];
- }
-
- g_free(map);
- g_free(map_copy);
-
- g_free(closure.vals);
- g_free(closure.ascending);
- g_free(closure.compare);
-}
-
-/* FIXME: This could be done in time log n instead of time n with a binary search. */
-int
-e_table_sorting_utils_tree_check_position (ETreeModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, ETreePath *map_table, int count, int old_index)
-{
- int i;
- ETreePath path;
-
- i = old_index;
- path = map_table[i];
-
- if (i < count - 1 && etsu_tree_compare(source, sort_info, full_header, map_table[i + 1], path) < 0) {
- i ++;
- while (i < count - 1 && etsu_tree_compare(source, sort_info, full_header, map_table[i], path) < 0)
- i ++;
- } else if (i > 0 && etsu_tree_compare(source, sort_info, full_header, map_table[i - 1], path) > 0) {
- i --;
- while (i > 0 && etsu_tree_compare(source, sort_info, full_header, map_table[i], path) > 0)
- i --;
- }
- return i;
-}
-
-/* FIXME: This does not pay attention to making sure that it's a stable insert. This needs to be fixed. */
-int
-e_table_sorting_utils_tree_insert(ETreeModel *source, ETableSortInfo *sort_info, ETableHeader *full_header, ETreePath *map_table, int count, ETreePath path)
-{
- size_t start;
- size_t end;
- ETreeSortClosure closure;
-
- closure.tree = source;
- closure.sort_info = sort_info;
- closure.full_header = full_header;
-
- e_bsearch(&path, map_table, count, sizeof(ETreePath), e_sort_tree_callback, &closure, &start, &end);
- return end;
-}