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authorChris Toshok <toshok@helixcode.com>2000-12-14 06:10:26 +0800
committerChris Toshok <toshok@src.gnome.org>2000-12-14 06:10:26 +0800
commit180fb4ee8e1044d0773439ab9db2efb0bc41f420 (patch)
tree705cf48b703323d8a388abfbb51409e8d29c3cf4 /widgets
parent7c84cd3ee7a75a90d425d0b41b909846b5a93a00 (diff)
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cut&paste from e-table-sorted-variable.c and massage names a bit to make
2000-12-13 Chris Toshok <toshok@helixcode.com> * e-table-sorter.c (qsort_callback_complex), (ets_sort_build_subset), (ets_sort_subset), (ets_sort_free_subset), (sort_groups_compare), (ets_sort_by_group): cut&paste from e-table-sorted-variable.c and massage names a bit to make sort group sorting work. (ets_sort): if the ETableModel has sort groups, sort using the sort group. svn path=/trunk/; revision=6975
Diffstat (limited to 'widgets')
-rw-r--r--widgets/table/e-table-sorter.c209
1 files changed, 208 insertions, 1 deletions
diff --git a/widgets/table/e-table-sorter.c b/widgets/table/e-table-sorter.c
index 2fe3966199..2f6db12622 100644
--- a/widgets/table/e-table-sorter.c
+++ b/widgets/table/e-table-sorter.c
@@ -14,6 +14,8 @@
#include "gal/util/e-util.h"
#include "e-table-sorter.h"
+#define d(x)
+
/* The arguments we take */
enum {
ARG_0,
@@ -175,6 +177,7 @@ ets_model_cell_changed (ETableModel *etm, int col, int row, ETableSorter *ets)
static void
ets_sort_info_changed (ETableSortInfo *info, ETableSorter *ets)
{
+ printf ("sort info changed\n");
ets_clean(ets);
}
@@ -224,6 +227,204 @@ ets_clean(ETableSorter *ets)
ets->needs_sorting = -1;
}
+struct _group_info {
+ char *group;
+ int row;
+};
+
+struct _rowinfo {
+ int row;
+ struct _subinfo *subinfo;
+ struct _group_info *groupinfo;
+};
+
+struct _subinfo {
+ int start;
+ GArray *rowsort; /* an array of row info's */
+};
+
+static int
+qsort_callback_complex(const void *data1, const void *data2)
+{
+ gint row1 = ((struct _rowinfo *)data1)->row;
+ gint row2 = ((struct _rowinfo *)data2)->row;
+ int j;
+ int sort_count = e_table_sort_info_sorting_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;
+}
+
+/* builds the info needed to sort everything */
+static struct _subinfo *
+ets_sort_build_subset(ETableSorter *ets, struct _group_info *groupinfo, int start, int *end)
+{
+ int rows = e_table_model_row_count (ets->source);
+ int i, lastinsert;
+ GArray *rowsort = g_array_new(0, 0, sizeof(struct _rowinfo));
+ struct _subinfo *subinfo, *newsub;
+ char *id, *newid;
+ int idlen, newidlen;
+ int cmp;
+ int cmplen;
+
+ subinfo = g_malloc0(sizeof(*subinfo));
+ subinfo->rowsort = rowsort;
+ subinfo->start = start;
+ lastinsert = -1;
+ id = groupinfo[start].group;
+ newid = strrchr(id, '/');
+ idlen = strlen(id);
+ if (newid)
+ cmplen = newid-id;
+ else
+ cmplen = idlen;
+ d(printf("%d scanning level %s\n", start, id));
+ for (i=start;i<rows;i++) {
+ newid = groupinfo[i].group;
+ newidlen = strlen(newid);
+ d(printf("%d checking group %s\n", start, newid));
+ cmp = strncmp(id, newid, cmplen);
+ /* check for common parent */
+ if (idlen == newidlen && cmp == 0) {
+ struct _rowinfo rowinfo;
+
+ d(printf("%d Same parent\n", start));
+ rowinfo.row = groupinfo[i].row;
+ rowinfo.subinfo = NULL;
+ rowinfo.groupinfo = &groupinfo[i];
+ lastinsert = rowsort->len;
+ g_array_append_val(rowsort, rowinfo);
+#ifdef DEBUG
+ total++;
+#endif
+ } else if (newidlen > idlen) {
+ /* must be a new subtree */
+ d(printf("%d checking subtree instead\n", start));
+ newsub = ets_sort_build_subset(ets, groupinfo, i, &i);
+ d(printf("found %d nodes in subtree\n", newsub->rowsort->len));
+ g_array_index(rowsort, struct _rowinfo, lastinsert).subinfo = newsub;
+ } else {
+ i--;
+ break;
+ }
+ }
+ if (end)
+ *end = i;
+ d(printf("finished level %s start was %d end was %d\n", id, start, i));
+ return subinfo;
+}
+
+/* sort each level, and then sort each level below that level (once we know
+ where the sublevel will fit in the overall list) */
+static int
+ets_sort_subset(ETableSorter *ets, struct _subinfo *subinfo, int startoffset)
+{
+ GArray *rowsort = subinfo->rowsort;
+ int offset, i;
+
+ d(printf("sorting subset start %d rows %d\n", startoffset, rowsort->len));
+
+ /* first, sort the actual data */
+ qsort(rowsort->data, rowsort->len, sizeof(struct _rowinfo), qsort_callback_complex);
+
+ /* then put it back in the map table, where appropriate */
+ offset = startoffset;
+ for (i=0;i<rowsort->len;i++) {
+ struct _rowinfo *rowinfo;
+
+ d(printf("setting offset %d\n", offset));
+
+ rowinfo = &g_array_index(rowsort, struct _rowinfo, i);
+ ets->sorted[offset] = rowinfo->row;
+ if (rowinfo->subinfo) {
+ offset = ets_sort_subset(ets, rowinfo->subinfo, offset+1);
+ } else
+ offset += 1;
+ }
+ d(printf("end sort subset start %d\n", startoffset));
+
+ return offset;
+}
+
+static void
+ets_sort_free_subset(ETableSorter *ets, struct _subinfo *subinfo)
+{
+ int i;
+
+ for (i=0;i<subinfo->rowsort->len;i++) {
+ struct _rowinfo *rowinfo;
+
+ rowinfo = &g_array_index(subinfo->rowsort, struct _rowinfo, i);
+ if (rowinfo->subinfo)
+ ets_sort_free_subset(ets, rowinfo->subinfo);
+ }
+ g_array_free(subinfo->rowsort, TRUE);
+ g_free(subinfo);
+}
+
+static int
+sort_groups_compare(const void *ap, const void *bp)
+{
+ struct _group_info *a = (struct _group_info *)ap;
+ struct _group_info *b = (struct _group_info *)bp;
+
+ return strcmp(a->group, b->group);
+}
+
+/* use the sort group to select subsorts */
+static void
+ets_sort_by_group (ETableSorter *ets)
+{
+ int rows = e_table_model_row_count (ets->source);
+ struct _group_info *groups;
+ struct _subinfo *subinfo;
+ int i;
+
+ d(printf("sorting %d rows\n", rows));
+
+ if (rows == 0)
+ return;
+
+ /* get all the rows' sort groups */
+ groups = g_malloc(sizeof(struct _group_info) * rows);
+ for (i=0;i<rows;i++) {
+ groups[i].row = i;
+ groups[i].group = g_strdup(e_table_model_row_sort_group(ets->source, groups[i].row));
+ }
+
+ /* sort the group info */
+ qsort(groups, rows, sizeof(struct _group_info), sort_groups_compare);
+
+ d(printf("sorted groups:\n");
+ for (i=0;i<rows;i++) {
+ printf(" %s\n", groups[i].group);
+ });
+
+ /* now sort based on the group info */
+ subinfo = ets_sort_build_subset(ets, groups, 0, NULL);
+ for (i=0;i<rows;i++) {
+ g_free(groups[i].group);
+ }
+ g_free(groups);
+ ets_sort_subset(ets, subinfo, 0);
+ ets_sort_free_subset(ets, subinfo);
+}
+
static void
ets_sort(ETableSorter *ets)
{
@@ -274,7 +475,13 @@ ets_sort(ETableSorter *ets)
compare_closure[j] = col->compare;
ascending_closure[j] = column.ascending;
}
- qsort(ets->sorted, rows, sizeof(int), qsort_callback);
+
+ if (e_table_model_has_sort_group (ets->source)) {
+ ets_sort_by_group (ets);
+ }
+ else {
+ qsort(ets->sorted, rows, sizeof(int), qsort_callback);
+ }
g_free(vals_closure);
g_free(ascending_closure);