diff options
Diffstat (limited to 'widgets/table')
| -rw-r--r-- | widgets/table/e-table-sorter.c | 209 |
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); 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