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author | nobody <nobody@localhost> | 2002-01-25 03:01:46 +0800 |
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committer | nobody <nobody@localhost> | 2002-01-25 03:01:46 +0800 |
commit | 76bbd700763e4b45614df6ad6174fe831ddb932e (patch) | |
tree | 46b61771dcad0f9692e7f34c7627f05edb733c6b /widgets/table/e-table-sorting-utils.c | |
parent | 7c9e80dd308222afbdec1068a925e4800f13dfb5 (diff) | |
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This commit was manufactured by cvs2svn to create tagEVOLUTION_1_0_2
'EVOLUTION_1_0_2'.
svn path=/tags/EVOLUTION_1_0_2/; revision=15455
Diffstat (limited to 'widgets/table/e-table-sorting-utils.c')
-rw-r--r-- | widgets/table/e-table-sorting-utils.c | 349 |
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 deleted file mode 100644 index fac9666384..0000000000 --- a/widgets/table/e-table-sorting-utils.c +++ /dev/null @@ -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->col_idx, row1), - e_table_model_value_at (source, col->col_idx, 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->col_idx, 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->col_idx) - 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->col_idx), - e_tree_model_value_at (source, path2, col->col_idx)); - 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->col_idx); - } - 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; -} |