src/gnm-sheet-slicer.c

   1 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * gnm-sheet-slicer.c :
   4  *
   5  * Copyright (C) 2008-2009 Jody Goldberg (jody@gnome.org)
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (at your option) version 3.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  20  * USA
  21  */
  22
  23 #include <gnumeric-config.h>
  24 #include "gnm-sheet-slicer.h"
  25 #include "go-data-slicer-impl.h"
  26 #include "go-data-slicer-field-impl.h"
  27 #include "go-data-cache.h"
  28 #include "sheet.h"
  29 #include "ranges.h"
  30
  31 #include <gsf/gsf-impl-utils.h>
  32 #include <glib/gi18n-lib.h>
  33 #include <string.h>
  34
  35 #include <glib-object.h>
  36
  37 struct _GnmSheetSlicer {
  38         GODataSlicer            base;
  39
  40         Sheet           *sheet;
  41         GnmRange         range;
  42
  43         /* Offsets from the top-left (in LTR) pos range */
  44         unsigned int     first_header_row, first_data_row, first_data_col;
  45         unsigned int     row_page_count, col_page_count;
  46
  47         struct {
  48                 gboolean headers_col, headers_row, stripes_col, stripes_row, last_col, last_row;
  49         } show;
  50
  51         GnmSheetSlicerLayout    layout;
  52 };
  53 typedef GODataSlicerClass GnmSheetSlicerClass;
  54
  55 #define GNM_SHEET_SLICER_CLASS(k)       (G_TYPE_CHECK_CLASS_CAST ((k), GNM_SHEET_SLICER_TYPE, GnmSheetSlicerClass))
  56 #define GNM_IS_SHEET_SLICER_CLASS(k)    (G_TYPE_CHECK_CLASS_TYPE ((k), GNM_SHEET_SLICER_TYPE))
  57 #define GNM_SHEET_SLICER_GET_CLASS(o)   (G_TYPE_INSTANCE_GET_CLASS ((o), GNM_SHEET_SLICER_TYPE, GnmSheetSlicerClass))
  58
  59 enum {
  60         PROP_0,
  61         PROP_SHEET,
  62         PROP_RANGE,
  63
  64         PROP_FIRST_HEADER_ROW,
  65         PROP_FIRST_DATA_COL,
  66         PROP_FIRST_DATA_ROW,
  67
  68         PROP_SHOW_HEADERS_COL,
  69         PROP_SHOW_HEADERS_ROW,
  70         PROP_SHOW_STRIPES_COL,
  71         PROP_SHOW_STRIPES_ROW,
  72         PROP_SHOW_LAST_COL,
  73         PROP_SHOW_LAST_ROW,
  74
  75         PROP_LAYOUT
  76 };
  77
  78 static GObjectClass *parent_klass;
  79 static void
  80 gnm_sheet_slicer_init (GnmSheetSlicer *gss)
  81 {
  82         gss->sheet = NULL;
  83         gss->first_header_row = gss->first_data_row = gss->first_data_col = gss->row_page_count = gss->col_page_count = 0;
  84 }
  85
  86 static void
  87 gnm_sheet_slicer_finalize (GObject *obj)
  88 {
  89         GnmSheetSlicer *gss = (GnmSheetSlicer *)obj;
  90
  91         if (NULL != gss->sheet) {
  92                 g_warning ("finalizing a slicer that is still attached to a sheet");
  93         }
  94
  95         (parent_klass->finalize) (obj);
  96 }
  97
  98 static void
  99 gnm_sheet_slicer_set_property (GObject *obj, guint property_id,
 100                                GValue const *value, GParamSpec *pspec)
 101 {
 102         GnmSheetSlicer *gss = (GnmSheetSlicer *)obj;
 103
 104         switch (property_id) {
 105         case PROP_SHEET : gnm_sheet_slicer_set_sheet (gss, g_value_get_object (value)); break;
 106         case PROP_RANGE : gnm_sheet_slicer_set_range (gss, g_value_get_boxed (value)); break;
 107         case PROP_FIRST_HEADER_ROW : gss->first_header_row = g_value_get_uint (value); break;
 108         case PROP_FIRST_DATA_COL : gss->first_data_col = g_value_get_uint (value); break;
 109         case PROP_FIRST_DATA_ROW : gss->first_data_row = g_value_get_uint (value); break;
 110
 111         case PROP_SHOW_HEADERS_COL : gss->show.headers_col = g_value_get_boolean (value); break;
 112         case PROP_SHOW_HEADERS_ROW : gss->show.headers_row = g_value_get_boolean (value); break;
 113         case PROP_SHOW_STRIPES_COL : gss->show.stripes_col = g_value_get_boolean (value); break;
 114         case PROP_SHOW_STRIPES_ROW : gss->show.stripes_row = g_value_get_boolean (value); break;
 115         case PROP_SHOW_LAST_COL    : gss->show.last_col    = g_value_get_boolean (value); break;
 116         case PROP_SHOW_LAST_ROW    : gss->show.last_row    = g_value_get_boolean (value); break;
 117
 118         case PROP_LAYOUT: gnm_sheet_slicer_set_layout (gss, g_value_get_enum (value)); break;
 119         default:
 120                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
 121         }
 122 }
 123
 124 static void
 125 gnm_sheet_slicer_get_property (GObject *obj, guint property_id,
 126                                GValue *value, GParamSpec *pspec)
 127 {
 128         GnmSheetSlicer const *gss = (GnmSheetSlicer const *)obj;
 129         switch (property_id) {
 130         case PROP_SHEET : g_value_set_object (value, gss->sheet); break;
 131         case PROP_RANGE : g_value_set_boxed (value, &gss->range); break;
 132         case PROP_FIRST_HEADER_ROW : g_value_set_uint (value, gss->first_header_row ); break;
 133         case PROP_FIRST_DATA_COL : g_value_set_uint (value, gss->first_data_col); break;
 134         case PROP_FIRST_DATA_ROW : g_value_set_uint (value, gss->first_data_row); break;
 135
 136         case PROP_SHOW_HEADERS_COL : g_value_set_boolean (value, gss->show.headers_col); break;
 137         case PROP_SHOW_HEADERS_ROW : g_value_set_boolean (value, gss->show.headers_row); break;
 138         case PROP_SHOW_STRIPES_COL : g_value_set_boolean (value, gss->show.stripes_col); break;
 139         case PROP_SHOW_STRIPES_ROW : g_value_set_boolean (value, gss->show.stripes_row); break;
 140         case PROP_SHOW_LAST_COL    : g_value_set_boolean (value, gss->show.last_col); break;
 141         case PROP_SHOW_LAST_ROW    : g_value_set_boolean (value, gss->show.last_row); break;
 142
 143         case PROP_LAYOUT : g_value_set_enum (value, gss->layout); break;
 144         default:
 145                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
 146         }
 147 }
 148
 149 static void
 150 gnm_sheet_slicer_class_init (GnmSheetSlicerClass *klass)
 151 {
 152         GObjectClass *gobject_class = (GObjectClass *)klass;
 153         gobject_class->set_property     = gnm_sheet_slicer_set_property;
 154         gobject_class->get_property     = gnm_sheet_slicer_get_property;
 155         gobject_class->finalize         = gnm_sheet_slicer_finalize;
 156
 157         g_object_class_install_property (gobject_class, PROP_SHEET,
 158                  g_param_spec_object ("sheet", NULL, NULL, GNM_SHEET_TYPE,
 159                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 160         g_object_class_install_property (gobject_class, PROP_RANGE,
 161                  g_param_spec_boxed ("range", NULL, NULL, gnm_range_get_type (),
 162                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 163         g_object_class_install_property (gobject_class, PROP_FIRST_HEADER_ROW,
 164                  g_param_spec_uint ("first-header-row", NULL, NULL, 0, GNM_MAX_ROWS, 0,
 165                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 166         g_object_class_install_property (gobject_class, PROP_FIRST_DATA_COL,
 167                  g_param_spec_uint ("first-data-col", NULL, NULL, 0, GNM_MAX_COLS, 0,
 168                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 169         g_object_class_install_property (gobject_class, PROP_FIRST_DATA_ROW,
 170                  g_param_spec_uint ("first-data-row", NULL, NULL, 0, GNM_MAX_ROWS, 0,
 171                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 172
 173         g_object_class_install_property (gobject_class, PROP_SHOW_HEADERS_COL,
 174                 g_param_spec_boolean ("show-headers-col", NULL, NULL, TRUE,
 175                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 176         g_object_class_install_property (gobject_class, PROP_SHOW_HEADERS_ROW,
 177                 g_param_spec_boolean ("show-headers-row", NULL, NULL, TRUE,
 178                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 179         g_object_class_install_property (gobject_class, PROP_SHOW_STRIPES_COL,
 180                 g_param_spec_boolean ("show-stripes-col", NULL, NULL, TRUE,
 181                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 182         g_object_class_install_property (gobject_class, PROP_SHOW_STRIPES_ROW,
 183                 g_param_spec_boolean ("show-stripes-row", NULL, NULL, TRUE,
 184                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 185         g_object_class_install_property (gobject_class, PROP_SHOW_LAST_COL,
 186                 g_param_spec_boolean ("show-last-col", NULL, NULL, TRUE,
 187                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 188         g_object_class_install_property (gobject_class, PROP_SHOW_LAST_ROW,
 189                 g_param_spec_boolean ("show-last-row", NULL, NULL, TRUE,
 190                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 191
 192         g_object_class_install_property (gobject_class, PROP_LAYOUT,
 193                  g_param_spec_enum ("layout", NULL, NULL, gnm_sheet_slicer_layout_get_type (), GSS_LAYOUT_XL_OUTLINE,
 194                         GSF_PARAM_STATIC | G_PARAM_READWRITE));
 195         parent_klass = g_type_class_peek_parent (klass);
 196 }
 197
 198 GSF_CLASS (GnmSheetSlicer, gnm_sheet_slicer,
 199            gnm_sheet_slicer_class_init, gnm_sheet_slicer_init,
 200            GO_DATA_SLICER_TYPE)
 201
 202 void
 203 gnm_sheet_slicer_set_sheet (GnmSheetSlicer *gss, Sheet *sheet)
 204 {
 205         g_return_if_fail (IS_SHEET (sheet));
 206         g_return_if_fail (GNM_IS_SHEET_SLICER (gss));
 207         g_return_if_fail (NULL == gss->sheet);
 208
 209         g_object_ref (gss);
 210         gss->sheet = sheet;
 211         sheet->slicers = g_slist_prepend (sheet->slicers, gss);
 212 }
 213
 214 void
 215 gnm_sheet_slicer_clear_sheet (GnmSheetSlicer *gss)
 216 {
 217         g_return_if_fail (GNM_IS_SHEET_SLICER (gss));
 218         g_return_if_fail (NULL != gss->sheet);
 219
 220         gss->sheet->slicers = g_slist_remove (gss->sheet->slicers, gss);
 221         gss->sheet = NULL;
 222         g_object_unref (gss);
 223 }
 224
 225 GnmRange const  *
 226 gnm_sheet_slicer_get_range (GnmSheetSlicer const *gss)
 227 {
 228         g_return_val_if_fail (GNM_IS_SHEET_SLICER (gss), NULL);
 229         return &gss->range;
 230 }
 231
 232 void
 233 gnm_sheet_slicer_set_range (GnmSheetSlicer *gss, GnmRange const *r)
 234 {
 235         g_return_if_fail (GNM_IS_SHEET_SLICER (gss));
 236         gss->range = *r;
 237 }
 238
 239 /**
 240  * gnm_sheet_slicer_overlaps_range :
 241  * @gss: #GnmSheetSlicer
 242  * @r: #GnmRange
 243  *
 244  * Returns: %TRUE if @gss overlaps @r.
 245  **/
 246 gboolean
 247 gnm_sheet_slicer_overlaps_range (GnmSheetSlicer const *gss, GnmRange const *r)
 248 {
 249         g_return_val_if_fail (GNM_IS_SHEET_SLICER (gss), FALSE);
 250         return range_overlap (&gss->range, r);
 251 }
 252
 253 /**
 254  * gnm_sheet_slicer_field_header_at_pos :
 255  * @gss: #GnmSheetSlicer const
 256  * @pos: #GnmCellPos const
 257  *
 258  * Checks to see if @pos (in absolute position, not relative to @gss' corner)
 259  * corresponds to a field header.  [Does not add a reference]
 260  *
 261  * Returns a #GODataSlicerField or %NULL.
 262  **/
 263 GODataSlicerField *
 264 gnm_sheet_slicer_field_header_at_pos (GnmSheetSlicer const *gss,
 265                                       GnmCellPos const *pos)
 266 {
 267         int res = -1;
 268         unsigned int c, r;
 269
 270         g_return_val_if_fail (GNM_IS_SHEET_SLICER (gss), NULL);
 271
 272         /* 0) TODO page fields */
 273         if (pos->col < gss->range.start.col || pos->row < gss->range.start.row)
 274                 return NULL;
 275
 276         c = pos->col - gss->range.start.col;
 277         r = pos->row - gss->range.start.row;
 278
 279         /* TODO other layouts */
 280
 281         /* col headers along the top starting at first_data_col */
 282         if (r == 0 &&
 283             c >= gss->first_data_col) {
 284                 c -= gss->first_data_col;
 285                 if (c < gss->base.fields[GDS_FIELD_TYPE_COL]->len)
 286                         res = g_array_index (gss->base.fields[GDS_FIELD_TYPE_COL], int, c);
 287
 288
 289         /* row headers just about data starting at 0th col */
 290         } else if (r >= (gss->first_data_row - 1) &&    /* -1 for the headers */
 291                    c < gss->first_data_col) {
 292                 if (c < gss->base.fields[GDS_FIELD_TYPE_ROW]->len)
 293                         res = g_array_index (gss->base.fields[GDS_FIELD_TYPE_ROW], int, c);
 294         }
 295
 296         return (res >= 0) ? go_data_slicer_get_field (&gss->base, res) : NULL;
 297 }
 298
 299 /************************************************************/
 300
 301 /**
 302  * gnm_sheet_slicers_at_pos:
 303  * @sheet: #Sheet
 304  * @pos: #GnmCellPos
 305  *
 306  * Returns: (transfer none): %NULL or the #GnmSheetSlicer in @sheet that overlaps with @pos.
 307  **/
 308 GnmSheetSlicer *
 309 gnm_sheet_slicers_at_pos (Sheet const *sheet, GnmCellPos const *pos)
 310 {
 311         GSList *ptr;
 312         GnmRange r;
 313
 314         g_return_val_if_fail (IS_SHEET (sheet), NULL);
 315         g_return_val_if_fail (NULL != pos, NULL);
 316
 317         range_init_cellpos (&r, pos);
 318         for (ptr = sheet->slicers; ptr != NULL ; ptr = ptr->next)
 319                 if (gnm_sheet_slicer_overlaps_range (ptr->data, &r))
 320                         return ptr->data;
 321
 322         return NULL;
 323 }
 324
 325 #if 0
 326 static void
 327 gss_append_field_indicies (GnmSheetSlicer const *gss, GODataSlicerFieldType type,
 328                            GArray *field_order)
 329 {
 330         GArray *tmp = gss->base.fields [type];
 331         unsigned int i, n = tmp->len;
 332         for (i = 0 ; i < n; i++)
 333                 g_array_append_val (field_order, g_array_index (tmp, int, i));
 334 }
 335
 336 static void
 337 gnm_sheet_slicer_test_sort (GnmSheetSlicer *gss)
 338 {
 339         /* quick test to sort the cache based on the row/col */
 340         GArray *permutation, *field_order;
 341         unsigned int i, n;
 342
 343         field_order = g_array_sized_new (FALSE, FALSE, sizeof (unsigned int), gss->base.all_fields->len);
 344         gss_append_field_indicies (gss, GDS_FIELD_TYPE_ROW, field_order);
 345         gss_append_field_indicies (gss, GDS_FIELD_TYPE_COL, field_order);
 346
 347         n = go_data_cache_num_items (gss->base.cache);
 348         permutation = g_array_sized_new (FALSE, FALSE, sizeof (int), n);
 349         for (i = 0 ; i < n ; i++)
 350                 g_array_append_val (permutation, i);
 351         go_data_cache_permute (gss->base.cache, field_order, permutation);
 352         go_data_cache_dump (gss->base.cache, field_order, permutation);
 353
 354         g_array_free (field_order, TRUE);
 355         g_array_free (permutation, TRUE);
 356 }
 357 #endif
 358
 359 /**
 360  * gnm_sheet_slicer_regenerate:
 361  * @gss: #GnmSheetSlicer
 362  *
 363  * Do some work!
 364  * See what we need to do then think about when portions belong in the GODataSlicer base.
 365  *
 366  **/
 367 void
 368 gnm_sheet_slicer_regenerate (GnmSheetSlicer *gss)
 369 {
 370 #if 0
 371         GArray *permutation, *rows;
 372         unsigned int i, n;
 373
 374         g_return_if_fail (GNM_IS_SHEET_SLICER (gss));
 375         g_return_if_fail (IS_SHEET (gss->sheet));
 376         g_return_if_fail (NULL != gss->base.cache);
 377
 378         field_order = g_array_sized_new (FALSE, FALSE, sizeof (unsigned int), gss->base.all_fields->len);
 379         gss_append_field_indicies (gss, GDS_FIELD_TYPE_ROW, field_order);
 380         gss_append_field_indicies (gss, GDS_FIELD_TYPE_COL, field_order);
 381
 382         n = go_data_cache_num_items (gss->base.cache);
 383 #endif
 384 }
 385
 386 GnmSheetSlicerLayout
 387 gnm_sheet_slicer_get_layout (GnmSheetSlicer const *gss)
 388 {
 389         g_return_val_if_fail (GNM_IS_SHEET_SLICER (gss), GSS_LAYOUT_XL_OUTLINE);
 390         return gss->layout;
 391 }
 392
 393 void
 394 gnm_sheet_slicer_set_layout (GnmSheetSlicer *gss, GnmSheetSlicerLayout l)
 395 {
 396         g_return_if_fail (GNM_IS_SHEET_SLICER (gss));
 397         gss->layout = l;
 398 }
 399
 400 GType
 401 gnm_sheet_slicer_layout_get_type (void)
 402 {
 403         static GType etype = 0;
 404         if (etype == 0) {
 405                 static GEnumValue const values[] = {
 406                         { GSS_LAYOUT_XL_OUTLINE, "GSS_LAYOUT_XL_OUTLINE", "xl-outline" },
 407                         { GSS_LAYOUT_XL_COMPACT, "GSS_LAYOUT_XL_COMPACT", "xl-compact" },
 408                         { GSS_LAYOUT_XL_TABULAR, "GSS_LAYOUT_XL_TABULAR", "xl-tabular" },
 409                         { 0, NULL, NULL }
 410                 };
 411                 etype = g_enum_register_static ("GnmSheetSlicerLayout", values);
 412         }
 413         return etype;
 414 }