diff options
Diffstat (limited to 'widgets/table/e-table-sort-info.c')
| -rw-r--r-- | widgets/table/e-table-sort-info.c | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/widgets/table/e-table-sort-info.c b/widgets/table/e-table-sort-info.c deleted file mode 100644 index 7ce56d7c75..0000000000 --- a/widgets/table/e-table-sort-info.c +++ /dev/null @@ -1,483 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) version 3. - * - * This program 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> - -#include "e-util/e-util.h" -#include "libevolution-utils/e-xml-utils.h" - -#include "e-table-sort-info.h" - -#define ETM_CLASS(e) (E_TABLE_SORT_INFO_GET_CLASS (e)) - -G_DEFINE_TYPE (ETableSortInfo , e_table_sort_info, G_TYPE_OBJECT) - -enum { - SORT_INFO_CHANGED, - GROUP_INFO_CHANGED, - LAST_SIGNAL -}; - -static guint e_table_sort_info_signals[LAST_SIGNAL] = { 0, }; - -static void -etsi_finalize (GObject *object) -{ - ETableSortInfo *etsi = E_TABLE_SORT_INFO (object); - - if (etsi->groupings) - g_free (etsi->groupings); - etsi->groupings = NULL; - - if (etsi->sortings) - g_free (etsi->sortings); - etsi->sortings = NULL; - - G_OBJECT_CLASS (e_table_sort_info_parent_class)->finalize (object); -} - -static void -e_table_sort_info_init (ETableSortInfo *info) -{ - info->group_count = 0; - info->groupings = NULL; - info->sort_count = 0; - info->sortings = NULL; - info->frozen = 0; - info->sort_info_changed = 0; - info->group_info_changed = 0; - info->can_group = 1; -} - -static void -e_table_sort_info_class_init (ETableSortInfoClass *class) -{ - GObjectClass * object_class = G_OBJECT_CLASS (class); - - object_class->finalize = etsi_finalize; - - e_table_sort_info_signals[SORT_INFO_CHANGED] = g_signal_new ( - "sort_info_changed", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETableSortInfoClass, sort_info_changed), - (GSignalAccumulator) NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - e_table_sort_info_signals[GROUP_INFO_CHANGED] = g_signal_new ( - "group_info_changed", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (ETableSortInfoClass, group_info_changed), - (GSignalAccumulator) NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - class->sort_info_changed = NULL; - class->group_info_changed = NULL; -} - -static void -e_table_sort_info_sort_info_changed (ETableSortInfo *info) -{ - g_return_if_fail (info != NULL); - g_return_if_fail (E_IS_TABLE_SORT_INFO (info)); - - if (info->frozen) { - info->sort_info_changed = 1; - } else { - g_signal_emit (info, e_table_sort_info_signals[SORT_INFO_CHANGED], 0); - } -} - -static void -e_table_sort_info_group_info_changed (ETableSortInfo *info) -{ - g_return_if_fail (info != NULL); - g_return_if_fail (E_IS_TABLE_SORT_INFO (info)); - - if (info->frozen) { - info->group_info_changed = 1; - } else { - g_signal_emit (info, e_table_sort_info_signals[GROUP_INFO_CHANGED], 0); - } -} - -/** - * e_table_sort_info_freeze: - * @info: The ETableSortInfo object - * - * This functions allows the programmer to cluster various changes to the - * ETableSortInfo (grouping and sorting) without having the object emit - * "group_info_changed" or "sort_info_changed" signals on each change. - * - * To thaw, invoke the e_table_sort_info_thaw() function, which will - * trigger any signals that might have been queued. - */ -void -e_table_sort_info_freeze (ETableSortInfo *info) -{ - info->frozen++; -} - -/** - * e_table_sort_info_thaw: - * @info: The ETableSortInfo object - * - * This functions allows the programmer to cluster various changes to the - * ETableSortInfo (grouping and sorting) without having the object emit - * "group_info_changed" or "sort_info_changed" signals on each change. - * - * This function will flush any pending signals that might be emited by - * this object. - */ -void -e_table_sort_info_thaw (ETableSortInfo *info) -{ - info->frozen--; - if (info->frozen != 0) - return; - - if (info->sort_info_changed) { - info->sort_info_changed = 0; - e_table_sort_info_sort_info_changed (info); - } - if (info->group_info_changed) { - info->group_info_changed = 0; - e_table_sort_info_group_info_changed (info); - } -} - -/** - * e_table_sort_info_grouping_get_count: - * @info: The ETableSortInfo object - * - * Returns: the number of grouping criteria in the object. - */ -guint -e_table_sort_info_grouping_get_count (ETableSortInfo *info) -{ - if (info->can_group) - return info->group_count; - else - return 0; -} - -static void -e_table_sort_info_grouping_real_truncate (ETableSortInfo *info, - gint length) -{ - if (length < info->group_count) { - info->group_count = length; - } - if (length > info->group_count) { - info->groupings = g_realloc (info->groupings, length * sizeof (ETableSortColumn)); - info->group_count = length; - } -} - -/** - * e_table_sort_info_grouping_truncate: - * @info: The ETableSortInfo object - * @lenght: position where the truncation happens. - * - * This routine can be used to reduce or grow the number of grouping - * criteria in the object. - */ -void -e_table_sort_info_grouping_truncate (ETableSortInfo *info, - gint length) -{ - e_table_sort_info_grouping_real_truncate (info, length); - e_table_sort_info_group_info_changed (info); -} - -/** - * e_table_sort_info_grouping_get_nth: - * @info: The ETableSortInfo object - * @n: Item information to fetch. - * - * Returns: the description of the @n-th grouping criteria in the @info object. - */ -ETableSortColumn -e_table_sort_info_grouping_get_nth (ETableSortInfo *info, - gint n) -{ - if (info->can_group && n < info->group_count) { - return info->groupings[n]; - } else { - ETableSortColumn fake = {0, 0}; - return fake; - } -} - -/** - * e_table_sort_info_grouping_set_nth: - * @info: The ETableSortInfo object - * @n: Item information to fetch. - * @column: new values for the grouping - * - * Sets the grouping criteria for index @n to be given by @column (a column number and - * whether it is ascending or descending). - */ -void -e_table_sort_info_grouping_set_nth (ETableSortInfo *info, - gint n, - ETableSortColumn column) -{ - if (n >= info->group_count) { - e_table_sort_info_grouping_real_truncate (info, n + 1); - } - info->groupings[n] = column; - e_table_sort_info_group_info_changed (info); -} - -/** - * e_table_sort_info_get_count: - * @info: The ETableSortInfo object - * - * Returns: the number of sorting criteria in the object. - */ -guint -e_table_sort_info_sorting_get_count (ETableSortInfo *info) -{ - return info->sort_count; -} - -static void -e_table_sort_info_sorting_real_truncate (ETableSortInfo *info, - gint length) -{ - if (length < info->sort_count) { - info->sort_count = length; - } - if (length > info->sort_count) { - info->sortings = g_realloc (info->sortings, length * sizeof (ETableSortColumn)); - info->sort_count = length; - } -} - -/** - * e_table_sort_info_sorting_truncate: - * @info: The ETableSortInfo object - * @lenght: position where the truncation happens. - * - * This routine can be used to reduce or grow the number of sort - * criteria in the object. - */ -void -e_table_sort_info_sorting_truncate (ETableSortInfo *info, - gint length) -{ - e_table_sort_info_sorting_real_truncate (info, length); - e_table_sort_info_sort_info_changed (info); -} - -/** - * e_table_sort_info_sorting_get_nth: - * @info: The ETableSortInfo object - * @n: Item information to fetch. - * - * Returns: the description of the @n-th grouping criteria in the @info object. - */ -ETableSortColumn -e_table_sort_info_sorting_get_nth (ETableSortInfo *info, - gint n) -{ - if (n < info->sort_count) { - return info->sortings[n]; - } else { - ETableSortColumn fake = {0, 0}; - return fake; - } -} - -/** - * e_table_sort_info_sorting_get_nth: - * @info: The ETableSortInfo object - * @n: Item information to fetch. - * @column: new values for the sorting - * - * Sets the sorting criteria for index @n to be given by @column (a - * column number and whether it is ascending or descending). - */ -void -e_table_sort_info_sorting_set_nth (ETableSortInfo *info, - gint n, - ETableSortColumn column) -{ - if (n >= info->sort_count) { - e_table_sort_info_sorting_real_truncate (info, n + 1); - } - info->sortings[n] = column; - e_table_sort_info_sort_info_changed (info); -} - -/** - * e_table_sort_info_new: - * - * This creates a new e_table_sort_info object that contains no - * grouping and no sorting defined as of yet. This object is used - * to keep track of multi-level sorting and multi-level grouping of - * the ETable. - * - * Returns: A new %ETableSortInfo object - */ -ETableSortInfo * -e_table_sort_info_new (void) -{ - return g_object_new (E_TYPE_TABLE_SORT_INFO, NULL); -} - -/** - * e_table_sort_info_load_from_node: - * @info: The ETableSortInfo object - * @node: pointer to the xmlNode that describes the sorting and grouping information - * @state_version: - * - * This loads the state for the %ETableSortInfo object @info from the - * xml node @node. - */ -void -e_table_sort_info_load_from_node (ETableSortInfo *info, - xmlNode *node, - gdouble state_version) -{ - gint i; - xmlNode *grouping; - - if (state_version <= 0.05) { - i = 0; - for (grouping = node->xmlChildrenNode; grouping && !strcmp ((gchar *) grouping->name, "group"); grouping = grouping->xmlChildrenNode) { - ETableSortColumn column; - column.column = e_xml_get_integer_prop_by_name (grouping, (const guchar *)"column"); - column.ascending = e_xml_get_bool_prop_by_name (grouping, (const guchar *)"ascending"); - e_table_sort_info_grouping_set_nth (info, i++, column); - } - i = 0; - for (; grouping && !strcmp ((gchar *) grouping->name, "leaf"); grouping = grouping->xmlChildrenNode) { - ETableSortColumn column; - column.column = e_xml_get_integer_prop_by_name (grouping, (const guchar *)"column"); - column.ascending = e_xml_get_bool_prop_by_name (grouping, (const guchar *)"ascending"); - e_table_sort_info_sorting_set_nth (info, i++, column); - } - } else { - gint gcnt = 0; - gint scnt = 0; - for (grouping = node->children; grouping; grouping = grouping->next) { - ETableSortColumn column; - - if (grouping->type != XML_ELEMENT_NODE) - continue; - - if (!strcmp ((gchar *) grouping->name, "group")) { - column.column = e_xml_get_integer_prop_by_name (grouping, (const guchar *)"column"); - column.ascending = e_xml_get_bool_prop_by_name (grouping, (const guchar *)"ascending"); - e_table_sort_info_grouping_set_nth (info, gcnt++, column); - } else if (!strcmp ((gchar *) grouping->name, "leaf")) { - column.column = e_xml_get_integer_prop_by_name (grouping, (const guchar *)"column"); - column.ascending = e_xml_get_bool_prop_by_name (grouping, (const guchar *)"ascending"); - e_table_sort_info_sorting_set_nth (info, scnt++, column); - } - } - } - g_signal_emit (info, e_table_sort_info_signals[SORT_INFO_CHANGED], 0); -} - -/** - * e_table_sort_info_save_to_node: - * @info: The ETableSortInfo object - * @parent: xmlNode that will be hosting the saved state of the @info object. - * - * This function is used - * - * Returns: the node that has been appended to @parent as a child containing - * the sorting and grouping information for this ETableSortInfo object. - */ -xmlNode * -e_table_sort_info_save_to_node (ETableSortInfo *info, - xmlNode *parent) -{ - xmlNode *grouping; - gint i; - const gint sort_count = e_table_sort_info_sorting_get_count (info); - const gint group_count = e_table_sort_info_grouping_get_count (info); - - grouping = xmlNewChild (parent, NULL, (const guchar *)"grouping", NULL); - - for (i = 0; i < group_count; i++) { - ETableSortColumn column = e_table_sort_info_grouping_get_nth (info, i); - xmlNode *new_node = xmlNewChild (grouping, NULL, (const guchar *)"group", NULL); - - e_xml_set_integer_prop_by_name (new_node, (const guchar *)"column", column.column); - e_xml_set_bool_prop_by_name (new_node, (const guchar *)"ascending", column.ascending); - } - - for (i = 0; i < sort_count; i++) { - ETableSortColumn column = e_table_sort_info_sorting_get_nth (info, i); - xmlNode *new_node = xmlNewChild (grouping, NULL, (const guchar *)"leaf", NULL); - - e_xml_set_integer_prop_by_name (new_node, (const guchar *)"column", column.column); - e_xml_set_bool_prop_by_name (new_node, (const guchar *)"ascending", column.ascending); - } - - return grouping; -} - -ETableSortInfo * -e_table_sort_info_duplicate (ETableSortInfo *info) -{ - ETableSortInfo *new_info; - - new_info = e_table_sort_info_new (); - - new_info->group_count = info->group_count; - new_info->groupings = g_new (ETableSortColumn, new_info->group_count); - memmove (new_info->groupings, info->groupings, sizeof (ETableSortColumn) * new_info->group_count); - - new_info->sort_count = info->sort_count; - new_info->sortings = g_new (ETableSortColumn, new_info->sort_count); - memmove (new_info->sortings, info->sortings, sizeof (ETableSortColumn) * new_info->sort_count); - - new_info->can_group = info->can_group; - - return new_info; -} - -void -e_table_sort_info_set_can_group (ETableSortInfo *info, - gboolean can_group) -{ - info->can_group = can_group; -} - -gboolean -e_table_sort_info_get_can_group (ETableSortInfo *info) -{ - return info->can_group; -} - |