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-rw-r--r--e-util/e-tree-table-adapter.c1414
1 files changed, 1414 insertions, 0 deletions
diff --git a/e-util/e-tree-table-adapter.c b/e-util/e-tree-table-adapter.c
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+++ b/e-util/e-tree-table-adapter.c
@@ -0,0 +1,1414 @@
+/*
+ * 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>
+ * Chris Toshok <toshok@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-tree-table-adapter.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib/gstdio.h>
+
+#include <libxml/tree.h>
+#include <libxml/parser.h>
+
+#include <libedataserver/libedataserver.h>
+
+#include "e-marshal.h"
+#include "e-table-sorting-utils.h"
+#include "e-xml-utils.h"
+
+#define E_TREE_TABLE_ADAPTER_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_TREE_TABLE_ADAPTER, ETreeTableAdapterPrivate))
+
+/* workaround for avoiding API breakage */
+#define etta_get_type e_tree_table_adapter_get_type
+G_DEFINE_TYPE (ETreeTableAdapter, etta, E_TYPE_TABLE_MODEL)
+#define d(x)
+
+#define INCREMENT_AMOUNT 100
+
+enum {
+ SORTING_CHANGED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0, };
+
+typedef struct {
+ ETreePath path;
+ guint32 num_visible_children;
+ guint32 index;
+
+ guint expanded : 1;
+ guint expandable : 1;
+ guint expandable_set : 1;
+} node_t;
+
+struct _ETreeTableAdapterPrivate {
+ ETreeModel *source;
+ ETableSortInfo *sort_info;
+ ETableHeader *header;
+
+ gint n_map;
+ gint n_vals_allocated;
+ node_t **map_table;
+ GHashTable *nodes;
+ GNode *root;
+
+ guint root_visible : 1;
+ guint remap_needed : 1;
+
+ gint last_access;
+
+ gint pre_change_id;
+ gint no_change_id;
+ gint rebuilt_id;
+ gint node_changed_id;
+ gint node_data_changed_id;
+ gint node_col_changed_id;
+ gint node_inserted_id;
+ gint node_removed_id;
+ gint node_request_collapse_id;
+ gint sort_info_changed_id;
+
+ guint resort_idle_id;
+
+ gint force_expanded_state; /* use this instead of model's default if not 0; <0 ... collapse, >0 ... expand */
+};
+
+static void etta_sort_info_changed (ETableSortInfo *sort_info, ETreeTableAdapter *etta);
+
+static GNode *
+lookup_gnode (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ GNode *gnode;
+
+ if (!path)
+ return NULL;
+
+ gnode = g_hash_table_lookup (etta->priv->nodes, path);
+
+ return gnode;
+}
+
+static void
+resize_map (ETreeTableAdapter *etta,
+ gint size)
+{
+ if (size > etta->priv->n_vals_allocated) {
+ etta->priv->n_vals_allocated = MAX (etta->priv->n_vals_allocated + INCREMENT_AMOUNT, size);
+ etta->priv->map_table = g_renew (node_t *, etta->priv->map_table, etta->priv->n_vals_allocated);
+ }
+
+ etta->priv->n_map = size;
+}
+
+static void
+move_map_elements (ETreeTableAdapter *etta,
+ gint to,
+ gint from,
+ gint count)
+{
+ if (count <= 0 || from >= etta->priv->n_map)
+ return;
+ memmove (etta->priv->map_table + to, etta->priv->map_table + from, count * sizeof (node_t *));
+ etta->priv->remap_needed = TRUE;
+}
+
+static gint
+fill_map (ETreeTableAdapter *etta,
+ gint index,
+ GNode *gnode)
+{
+ GNode *p;
+
+ if ((gnode != etta->priv->root) || etta->priv->root_visible)
+ etta->priv->map_table[index++] = gnode->data;
+
+ for (p = gnode->children; p; p = p->next)
+ index = fill_map (etta, index, p);
+
+ etta->priv->remap_needed = TRUE;
+ return index;
+}
+
+static void
+remap_indices (ETreeTableAdapter *etta)
+{
+ gint i;
+ for (i = 0; i < etta->priv->n_map; i++)
+ etta->priv->map_table[i]->index = i;
+ etta->priv->remap_needed = FALSE;
+}
+
+static node_t *
+get_node (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ GNode *gnode = lookup_gnode (etta, path);
+
+ if (!gnode)
+ return NULL;
+
+ return (node_t *) gnode->data;
+}
+
+static void
+resort_node (ETreeTableAdapter *etta,
+ GNode *gnode,
+ gboolean recurse)
+{
+ node_t *node = (node_t *) gnode->data;
+ ETreePath *paths, path;
+ GNode *prev, *curr;
+ gint i, count;
+ gboolean sort_needed;
+
+ if (node->num_visible_children == 0)
+ return;
+
+ sort_needed = etta->priv->sort_info && e_table_sort_info_sorting_get_count (etta->priv->sort_info) > 0;
+
+ for (i = 0, path = e_tree_model_node_get_first_child (etta->priv->source, node->path); path;
+ path = e_tree_model_node_get_next (etta->priv->source, path), i++);
+
+ count = i;
+ if (count <= 1)
+ return;
+
+ paths = g_new0 (ETreePath, count);
+
+ for (i = 0, path = e_tree_model_node_get_first_child (etta->priv->source, node->path); path;
+ path = e_tree_model_node_get_next (etta->priv->source, path), i++)
+ paths[i] = path;
+
+ if (count > 1 && sort_needed)
+ e_table_sorting_utils_tree_sort (etta->priv->source, etta->priv->sort_info, etta->priv->header, paths, count);
+
+ prev = NULL;
+ for (i = 0; i < count; i++) {
+ curr = lookup_gnode (etta, paths[i]);
+ if (!curr)
+ continue;
+
+ if (prev)
+ prev->next = curr;
+ else
+ gnode->children = curr;
+
+ curr->prev = prev;
+ curr->next = NULL;
+ prev = curr;
+ if (recurse)
+ resort_node (etta, curr, recurse);
+ }
+
+ g_free (paths);
+}
+
+static gint
+get_row (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ node_t *node = get_node (etta, path);
+ if (!node)
+ return -1;
+
+ if (etta->priv->remap_needed)
+ remap_indices (etta);
+
+ return node->index;
+}
+
+static ETreePath
+get_path (ETreeTableAdapter *etta,
+ gint row)
+{
+ if (row == -1 && etta->priv->n_map > 0)
+ row = etta->priv->n_map - 1;
+ else if (row < 0 || row >= etta->priv->n_map)
+ return NULL;
+
+ return etta->priv->map_table[row]->path;
+}
+
+static void
+kill_gnode (GNode *node,
+ ETreeTableAdapter *etta)
+{
+ g_hash_table_remove (etta->priv->nodes, ((node_t *) node->data)->path);
+
+ while (node->children) {
+ GNode *next = node->children->next;
+ kill_gnode (node->children, etta);
+ node->children = next;
+ }
+
+ g_free (node->data);
+ if (node == etta->priv->root)
+ etta->priv->root = NULL;
+ g_node_destroy (node);
+}
+
+static void
+update_child_counts (GNode *gnode,
+ gint delta)
+{
+ while (gnode) {
+ node_t *node = (node_t *) gnode->data;
+ node->num_visible_children += delta;
+ gnode = gnode->parent;
+ }
+}
+
+static gint
+delete_children (ETreeTableAdapter *etta,
+ GNode *gnode)
+{
+ node_t *node = (node_t *) gnode->data;
+ gint to_remove = node ? node->num_visible_children : 0;
+
+ if (to_remove == 0)
+ return 0;
+
+ while (gnode->children) {
+ GNode *next = gnode->children->next;
+ kill_gnode (gnode->children, etta);
+ gnode->children = next;
+ }
+
+ return to_remove;
+}
+
+static void
+delete_node (ETreeTableAdapter *etta,
+ ETreePath parent,
+ ETreePath path)
+{
+ gint to_remove = 1;
+ gint parent_row = get_row (etta, parent);
+ gint row = get_row (etta, path);
+ GNode *gnode = lookup_gnode (etta, path);
+ GNode *parent_gnode = lookup_gnode (etta, parent);
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+
+ if (row == -1) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ to_remove += delete_children (etta, gnode);
+ kill_gnode (gnode, etta);
+
+ move_map_elements (etta, row, row + to_remove, etta->priv->n_map - row - to_remove);
+ resize_map (etta, etta->priv->n_map - to_remove);
+
+ if (parent_gnode != NULL) {
+ node_t *parent_node = parent_gnode->data;
+ gboolean expandable = e_tree_model_node_is_expandable (etta->priv->source, parent);
+
+ update_child_counts (parent_gnode, - to_remove);
+ if (parent_node->expandable != expandable) {
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ parent_node->expandable = expandable;
+ e_table_model_row_changed (E_TABLE_MODEL (etta), parent_row);
+ }
+
+ resort_node (etta, parent_gnode, FALSE);
+ }
+
+ e_table_model_rows_deleted (E_TABLE_MODEL (etta), row, to_remove);
+}
+
+static GNode *
+create_gnode (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ GNode *gnode;
+ node_t *node;
+
+ node = g_new0 (node_t, 1);
+ node->path = path;
+ node->index = -1;
+ node->expanded = etta->priv->force_expanded_state == 0 ? e_tree_model_get_expanded_default (etta->priv->source) : etta->priv->force_expanded_state > 0;
+ node->expandable = e_tree_model_node_is_expandable (etta->priv->source, path);
+ node->expandable_set = 1;
+ node->num_visible_children = 0;
+ gnode = g_node_new (node);
+ g_hash_table_insert (etta->priv->nodes, path, gnode);
+ return gnode;
+}
+
+static gint
+insert_children (ETreeTableAdapter *etta,
+ GNode *gnode)
+{
+ ETreePath path, tmp;
+ gint count = 0;
+ gint pos = 0;
+
+ path = ((node_t *) gnode->data)->path;
+ for (tmp = e_tree_model_node_get_first_child (etta->priv->source, path);
+ tmp;
+ tmp = e_tree_model_node_get_next (etta->priv->source, tmp), pos++) {
+ GNode *child = create_gnode (etta, tmp);
+ node_t *node = (node_t *) child->data;
+ if (node->expanded)
+ node->num_visible_children = insert_children (etta, child);
+ g_node_prepend (gnode, child);
+ count += node->num_visible_children + 1;
+ }
+ g_node_reverse_children (gnode);
+ return count;
+}
+
+static void
+generate_tree (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ GNode *gnode;
+ node_t *node;
+ gint size;
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+
+ g_return_if_fail (e_tree_model_node_is_root (etta->priv->source, path));
+
+ if (etta->priv->root)
+ kill_gnode (etta->priv->root, etta);
+ resize_map (etta, 0);
+
+ gnode = create_gnode (etta, path);
+ node = (node_t *) gnode->data;
+ node->expanded = TRUE;
+ node->num_visible_children = insert_children (etta, gnode);
+ if (etta->priv->sort_info && e_table_sort_info_sorting_get_count (etta->priv->sort_info) > 0)
+ resort_node (etta, gnode, TRUE);
+
+ etta->priv->root = gnode;
+ size = etta->priv->root_visible ? node->num_visible_children + 1 : node->num_visible_children;
+ resize_map (etta, size);
+ fill_map (etta, 0, gnode);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+static void
+insert_node (ETreeTableAdapter *etta,
+ ETreePath parent,
+ ETreePath path)
+{
+ GNode *gnode, *parent_gnode;
+ node_t *node, *parent_node;
+ gboolean expandable;
+ gint size, row;
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+
+ if (get_node (etta, path)) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ parent_gnode = lookup_gnode (etta, parent);
+ if (!parent_gnode) {
+ ETreePath grandparent = e_tree_model_node_get_parent (etta->priv->source, parent);
+ if (e_tree_model_node_is_root (etta->priv->source, parent))
+ generate_tree (etta, parent);
+ else
+ insert_node (etta, grandparent, parent);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ parent_node = (node_t *) parent_gnode->data;
+
+ if (parent_gnode != etta->priv->root) {
+ expandable = e_tree_model_node_is_expandable (etta->priv->source, parent);
+ if (parent_node->expandable != expandable) {
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ parent_node->expandable = expandable;
+ parent_node->expandable_set = 1;
+ e_table_model_row_changed (E_TABLE_MODEL (etta), parent_node->index);
+ }
+ }
+
+ if (!e_tree_table_adapter_node_is_expanded (etta, parent)) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ gnode = create_gnode (etta, path);
+ node = (node_t *) gnode->data;
+
+ if (node->expanded)
+ node->num_visible_children = insert_children (etta, gnode);
+
+ g_node_append (parent_gnode, gnode);
+ update_child_counts (parent_gnode, node->num_visible_children + 1);
+ resort_node (etta, parent_gnode, FALSE);
+ resort_node (etta, gnode, TRUE);
+
+ size = node->num_visible_children + 1;
+ resize_map (etta, etta->priv->n_map + size);
+ if (parent_gnode == etta->priv->root)
+ row = 0;
+ else {
+ gint new_size = parent_node->num_visible_children + 1;
+ gint old_size = new_size - size;
+ row = parent_node->index;
+ move_map_elements (etta, row + new_size, row + old_size, etta->priv->n_map - row - new_size);
+ }
+ fill_map (etta, row, parent_gnode);
+ e_table_model_rows_inserted (E_TABLE_MODEL (etta), get_row (etta, path), size);
+}
+
+typedef struct {
+ GSList *paths;
+ gboolean expanded;
+} check_expanded_closure;
+
+static gboolean
+check_expanded (GNode *gnode,
+ gpointer data)
+{
+ check_expanded_closure *closure = (check_expanded_closure *) data;
+ node_t *node = (node_t *) gnode->data;
+
+ if (node->expanded != closure->expanded)
+ closure->paths = g_slist_prepend (closure->paths, node->path);
+
+ return FALSE;
+}
+
+static void
+update_node (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ check_expanded_closure closure;
+ ETreePath parent = e_tree_model_node_get_parent (etta->priv->source, path);
+ GNode *gnode = lookup_gnode (etta, path);
+ GSList *l;
+
+ closure.expanded = e_tree_model_get_expanded_default (etta->priv->source);
+ closure.paths = NULL;
+
+ if (gnode)
+ g_node_traverse (gnode, G_POST_ORDER, G_TRAVERSE_ALL, -1, check_expanded, &closure);
+
+ if (e_tree_model_node_is_root (etta->priv->source, path))
+ generate_tree (etta, path);
+ else {
+ delete_node (etta, parent, path);
+ insert_node (etta, parent, path);
+ }
+
+ for (l = closure.paths; l; l = l->next)
+ if (lookup_gnode (etta, l->data))
+ e_tree_table_adapter_node_set_expanded (etta, l->data, !closure.expanded);
+
+ g_slist_free (closure.paths);
+}
+
+static void
+etta_finalize (GObject *object)
+{
+ ETreeTableAdapterPrivate *priv;
+
+ priv = E_TREE_TABLE_ADAPTER_GET_PRIVATE (object);
+
+ if (priv->resort_idle_id) {
+ g_source_remove (priv->resort_idle_id);
+ priv->resort_idle_id = 0;
+ }
+
+ if (priv->root) {
+ kill_gnode (priv->root, E_TREE_TABLE_ADAPTER (object));
+ priv->root = NULL;
+ }
+
+ g_hash_table_destroy (priv->nodes);
+
+ g_free (priv->map_table);
+
+ /* Chain up to parent's finalize() method. */
+ G_OBJECT_CLASS (etta_parent_class)->finalize (object);
+}
+
+static void
+etta_dispose (GObject *object)
+{
+ ETreeTableAdapterPrivate *priv;
+
+ priv = E_TREE_TABLE_ADAPTER_GET_PRIVATE (object);
+
+ if (priv->sort_info) {
+ g_signal_handler_disconnect (
+ priv->sort_info, priv->sort_info_changed_id);
+ g_object_unref (priv->sort_info);
+ priv->sort_info = NULL;
+ }
+
+ if (priv->header) {
+ g_object_unref (priv->header);
+ priv->header = NULL;
+ }
+
+ if (priv->source) {
+ g_signal_handler_disconnect (
+ priv->source, priv->pre_change_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->no_change_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->rebuilt_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_changed_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_data_changed_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_col_changed_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_inserted_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_removed_id);
+ g_signal_handler_disconnect (
+ priv->source, priv->node_request_collapse_id);
+
+ g_object_unref (priv->source);
+ priv->source = NULL;
+ }
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (etta_parent_class)->dispose (object);
+}
+
+static gint
+etta_column_count (ETableModel *etm)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_column_count (etta->priv->source);
+}
+
+static gboolean
+etta_has_save_id (ETableModel *etm)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_has_save_id (etta->priv->source);
+}
+
+static gchar *
+etta_get_save_id (ETableModel *etm,
+ gint row)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_get_save_id (etta->priv->source, get_path (etta, row));
+}
+
+static gboolean
+etta_has_change_pending (ETableModel *etm)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_has_change_pending (etta->priv->source);
+}
+
+static gint
+etta_row_count (ETableModel *etm)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return etta->priv->n_map;
+}
+
+static gpointer
+etta_value_at (ETableModel *etm,
+ gint col,
+ gint row)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ switch (col) {
+ case -1:
+ if (row == -1)
+ return NULL;
+ return get_path (etta, row);
+ case -2:
+ return etta->priv->source;
+ case -3:
+ return etta;
+ default:
+ return e_tree_model_value_at (etta->priv->source, get_path (etta, row), col);
+ }
+}
+
+static void
+etta_set_value_at (ETableModel *etm,
+ gint col,
+ gint row,
+ gconstpointer val)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ e_tree_model_set_value_at (etta->priv->source, get_path (etta, row), col, val);
+}
+
+static gboolean
+etta_is_cell_editable (ETableModel *etm,
+ gint col,
+ gint row)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_node_is_editable (etta->priv->source, get_path (etta, row), col);
+}
+
+static void
+etta_append_row (ETableModel *etm,
+ ETableModel *source,
+ gint row)
+{
+}
+
+static gpointer
+etta_duplicate_value (ETableModel *etm,
+ gint col,
+ gconstpointer value)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_duplicate_value (etta->priv->source, col, value);
+}
+
+static void
+etta_free_value (ETableModel *etm,
+ gint col,
+ gpointer value)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ e_tree_model_free_value (etta->priv->source, col, value);
+}
+
+static gpointer
+etta_initialize_value (ETableModel *etm,
+ gint col)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_initialize_value (etta->priv->source, col);
+}
+
+static gboolean
+etta_value_is_empty (ETableModel *etm,
+ gint col,
+ gconstpointer value)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_value_is_empty (etta->priv->source, col, value);
+}
+
+static gchar *
+etta_value_to_string (ETableModel *etm,
+ gint col,
+ gconstpointer value)
+{
+ ETreeTableAdapter *etta = (ETreeTableAdapter *) etm;
+
+ return e_tree_model_value_to_string (etta->priv->source, col, value);
+}
+
+static void
+etta_class_init (ETreeTableAdapterClass *class)
+{
+ GObjectClass *object_class;
+ ETableModelClass *table_model_class;
+
+ g_type_class_add_private (class, sizeof (ETreeTableAdapterPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->dispose = etta_dispose;
+ object_class->finalize = etta_finalize;
+
+ table_model_class = E_TABLE_MODEL_CLASS (class);
+ table_model_class->column_count = etta_column_count;
+ table_model_class->row_count = etta_row_count;
+ table_model_class->append_row = etta_append_row;
+
+ table_model_class->value_at = etta_value_at;
+ table_model_class->set_value_at = etta_set_value_at;
+ table_model_class->is_cell_editable = etta_is_cell_editable;
+
+ table_model_class->has_save_id = etta_has_save_id;
+ table_model_class->get_save_id = etta_get_save_id;
+
+ table_model_class->has_change_pending = etta_has_change_pending;
+ table_model_class->duplicate_value = etta_duplicate_value;
+ table_model_class->free_value = etta_free_value;
+ table_model_class->initialize_value = etta_initialize_value;
+ table_model_class->value_is_empty = etta_value_is_empty;
+ table_model_class->value_to_string = etta_value_to_string;
+
+ class->sorting_changed = NULL;
+
+ signals[SORTING_CHANGED] = g_signal_new (
+ "sorting_changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (ETreeTableAdapterClass, sorting_changed),
+ NULL, NULL,
+ e_marshal_BOOLEAN__NONE,
+ G_TYPE_BOOLEAN, 0,
+ G_TYPE_NONE);
+}
+
+static void
+etta_init (ETreeTableAdapter *etta)
+{
+ etta->priv = E_TREE_TABLE_ADAPTER_GET_PRIVATE (etta);
+
+ etta->priv->root_visible = TRUE;
+ etta->priv->remap_needed = TRUE;
+}
+
+static void
+etta_proxy_pre_change (ETreeModel *etm,
+ ETreeTableAdapter *etta)
+{
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+}
+
+static void
+etta_proxy_no_change (ETreeModel *etm,
+ ETreeTableAdapter *etta)
+{
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+}
+
+static void
+etta_proxy_rebuilt (ETreeModel *etm,
+ ETreeTableAdapter *etta)
+{
+ if (!etta->priv->root)
+ return;
+ kill_gnode (etta->priv->root, etta);
+ etta->priv->root = NULL;
+ g_hash_table_destroy (etta->priv->nodes);
+ etta->priv->nodes = g_hash_table_new (NULL, NULL);
+}
+
+static gboolean
+resort_model (ETreeTableAdapter *etta)
+{
+ etta_sort_info_changed (NULL, etta);
+ etta->priv->resort_idle_id = 0;
+ return FALSE;
+}
+
+static void
+etta_proxy_node_changed (ETreeModel *etm,
+ ETreePath path,
+ ETreeTableAdapter *etta)
+{
+ update_node (etta, path);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+
+ /* FIXME: Really it shouldnt be required. But a lot of thread
+ * which were supposed to be present in the list is way below
+ */
+ if (!etta->priv->resort_idle_id)
+ etta->priv->resort_idle_id = g_idle_add ((GSourceFunc) resort_model, etta);
+}
+
+static void
+etta_proxy_node_data_changed (ETreeModel *etm,
+ ETreePath path,
+ ETreeTableAdapter *etta)
+{
+ gint row = get_row (etta, path);
+
+ if (row == -1) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ e_table_model_row_changed (E_TABLE_MODEL (etta), row);
+}
+
+static void
+etta_proxy_node_col_changed (ETreeModel *etm,
+ ETreePath path,
+ gint col,
+ ETreeTableAdapter *etta)
+{
+ gint row = get_row (etta, path);
+
+ if (row == -1) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+
+ e_table_model_cell_changed (E_TABLE_MODEL (etta), col, row);
+}
+
+static void
+etta_proxy_node_inserted (ETreeModel *etm,
+ ETreePath parent,
+ ETreePath child,
+ ETreeTableAdapter *etta)
+{
+ if (e_tree_model_node_is_root (etm, child))
+ generate_tree (etta, child);
+ else
+ insert_node (etta, parent, child);
+
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+static void
+etta_proxy_node_removed (ETreeModel *etm,
+ ETreePath parent,
+ ETreePath child,
+ gint old_position,
+ ETreeTableAdapter *etta)
+{
+ delete_node (etta, parent, child);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+static void
+etta_proxy_node_request_collapse (ETreeModel *etm,
+ ETreePath node,
+ ETreeTableAdapter *etta)
+{
+ e_tree_table_adapter_node_set_expanded (etta, node, FALSE);
+}
+
+static void
+etta_sort_info_changed (ETableSortInfo *sort_info,
+ ETreeTableAdapter *etta)
+{
+ if (!etta->priv->root)
+ return;
+
+ /* the function is called also internally, with sort_info = NULL,
+ * thus skip those in signal emit */
+ if (sort_info) {
+ gboolean handled = FALSE;
+
+ g_signal_emit (etta, signals[SORTING_CHANGED], 0, &handled);
+
+ if (handled)
+ return;
+ }
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ resort_node (etta, etta->priv->root, TRUE);
+ fill_map (etta, 0, etta->priv->root);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+ETableModel *
+e_tree_table_adapter_construct (ETreeTableAdapter *etta,
+ ETreeModel *source,
+ ETableSortInfo *sort_info,
+ ETableHeader *header)
+{
+ ETreePath root;
+
+ etta->priv->source = source;
+ g_object_ref (source);
+
+ etta->priv->sort_info = sort_info;
+ if (sort_info) {
+ g_object_ref (sort_info);
+ etta->priv->sort_info_changed_id = g_signal_connect (
+ sort_info, "sort_info_changed",
+ G_CALLBACK (etta_sort_info_changed), etta);
+ }
+
+ etta->priv->header = header;
+ if (header)
+ g_object_ref (header);
+
+ etta->priv->nodes = g_hash_table_new (NULL, NULL);
+
+ root = e_tree_model_get_root (source);
+
+ if (root)
+ generate_tree (etta, root);
+
+ etta->priv->pre_change_id = g_signal_connect (
+ source, "pre_change",
+ G_CALLBACK (etta_proxy_pre_change), etta);
+ etta->priv->no_change_id = g_signal_connect (
+ source, "no_change",
+ G_CALLBACK (etta_proxy_no_change), etta);
+ etta->priv->rebuilt_id = g_signal_connect (
+ source, "rebuilt",
+ G_CALLBACK (etta_proxy_rebuilt), etta);
+ etta->priv->node_changed_id = g_signal_connect (
+ source, "node_changed",
+ G_CALLBACK (etta_proxy_node_changed), etta);
+ etta->priv->node_data_changed_id = g_signal_connect (
+ source, "node_data_changed",
+ G_CALLBACK (etta_proxy_node_data_changed), etta);
+ etta->priv->node_col_changed_id = g_signal_connect (
+ source, "node_col_changed",
+ G_CALLBACK (etta_proxy_node_col_changed), etta);
+ etta->priv->node_inserted_id = g_signal_connect (
+ source, "node_inserted",
+ G_CALLBACK (etta_proxy_node_inserted), etta);
+ etta->priv->node_removed_id = g_signal_connect (
+ source, "node_removed",
+ G_CALLBACK (etta_proxy_node_removed), etta);
+ etta->priv->node_request_collapse_id = g_signal_connect (
+ source, "node_request_collapse",
+ G_CALLBACK (etta_proxy_node_request_collapse), etta);
+
+ return E_TABLE_MODEL (etta);
+}
+
+ETableModel *
+e_tree_table_adapter_new (ETreeModel *source,
+ ETableSortInfo *sort_info,
+ ETableHeader *header)
+{
+ ETreeTableAdapter *etta = g_object_new (E_TYPE_TREE_TABLE_ADAPTER, NULL);
+
+ e_tree_table_adapter_construct (etta, source, sort_info, header);
+
+ return (ETableModel *) etta;
+}
+
+typedef struct {
+ xmlNode *root;
+ gboolean expanded_default;
+ ETreeModel *model;
+} TreeAndRoot;
+
+static void
+save_expanded_state_func (gpointer keyp,
+ gpointer value,
+ gpointer data)
+{
+ ETreePath path = keyp;
+ node_t *node = ((GNode *) value)->data;
+ TreeAndRoot *tar = data;
+ xmlNode *xmlnode;
+
+ if (node->expanded != tar->expanded_default) {
+ gchar *save_id = e_tree_model_get_save_id (tar->model, path);
+ xmlnode = xmlNewChild (tar->root, NULL, (const guchar *)"node", NULL);
+ e_xml_set_string_prop_by_name (xmlnode, (const guchar *)"id", save_id);
+ g_free (save_id);
+ }
+}
+
+xmlDoc *
+e_tree_table_adapter_save_expanded_state_xml (ETreeTableAdapter *etta)
+{
+ TreeAndRoot tar;
+ xmlDocPtr doc;
+ xmlNode *root;
+
+ g_return_val_if_fail (etta != NULL, NULL);
+
+ doc = xmlNewDoc ((const guchar *)"1.0");
+ root = xmlNewDocNode (doc, NULL, (const guchar *)"expanded_state", NULL);
+ xmlDocSetRootElement (doc, root);
+
+ tar.model = etta->priv->source;
+ tar.root = root;
+ tar.expanded_default = e_tree_model_get_expanded_default (etta->priv->source);
+
+ e_xml_set_integer_prop_by_name (root, (const guchar *)"vers", 2);
+ e_xml_set_bool_prop_by_name (root, (const guchar *)"default", tar.expanded_default);
+
+ g_hash_table_foreach (etta->priv->nodes, save_expanded_state_func, &tar);
+
+ return doc;
+}
+
+void
+e_tree_table_adapter_save_expanded_state (ETreeTableAdapter *etta,
+ const gchar *filename)
+{
+ xmlDoc *doc;
+
+ g_return_if_fail (etta != NULL);
+
+ doc = e_tree_table_adapter_save_expanded_state_xml (etta);
+ if (doc) {
+ e_xml_save_file (filename, doc);
+ xmlFreeDoc (doc);
+ }
+}
+
+static xmlDoc *
+open_file (ETreeTableAdapter *etta,
+ const gchar *filename)
+{
+ xmlDoc *doc;
+ xmlNode *root;
+ gint vers;
+ gboolean model_default, saved_default;
+
+ if (!g_file_test (filename, G_FILE_TEST_EXISTS))
+ return NULL;
+
+#ifdef G_OS_WIN32
+ {
+ gchar *locale_filename = g_win32_locale_filename_from_utf8 (filename);
+ doc = xmlParseFile (locale_filename);
+ g_free (locale_filename);
+ }
+#else
+ doc = xmlParseFile (filename);
+#endif
+
+ if (!doc)
+ return NULL;
+
+ root = xmlDocGetRootElement (doc);
+ if (root == NULL || strcmp ((gchar *) root->name, "expanded_state")) {
+ xmlFreeDoc (doc);
+ return NULL;
+ }
+
+ vers = e_xml_get_integer_prop_by_name_with_default (root, (const guchar *)"vers", 0);
+ if (vers > 2) {
+ xmlFreeDoc (doc);
+ return NULL;
+ }
+ model_default = e_tree_model_get_expanded_default (etta->priv->source);
+ saved_default = e_xml_get_bool_prop_by_name_with_default (root, (const guchar *)"default", !model_default);
+ if (saved_default != model_default) {
+ xmlFreeDoc (doc);
+ return NULL;
+ }
+
+ return doc;
+}
+
+/* state: <0 ... collapse; 0 ... use default; >0 ... expand */
+void
+e_tree_table_adapter_force_expanded_state (ETreeTableAdapter *etta,
+ gint state)
+{
+ g_return_if_fail (etta != NULL);
+
+ etta->priv->force_expanded_state = state;
+}
+
+void
+e_tree_table_adapter_load_expanded_state_xml (ETreeTableAdapter *etta,
+ xmlDoc *doc)
+{
+ xmlNode *root, *child;
+ gboolean model_default;
+ gboolean file_default = FALSE;
+
+ g_return_if_fail (etta != NULL);
+ g_return_if_fail (doc != NULL);
+
+ root = xmlDocGetRootElement (doc);
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+
+ model_default = e_tree_model_get_expanded_default (etta->priv->source);
+
+ if (!strcmp ((gchar *) root->name, "expanded_state")) {
+ gchar *state;
+
+ state = e_xml_get_string_prop_by_name_with_default (root, (const guchar *)"default", "");
+
+ if (state[0] == 't')
+ file_default = TRUE;
+ else
+ file_default = FALSE; /* Even unspecified we'll consider as false */
+
+ g_free (state);
+ }
+
+ /* Incase the default is changed, lets forget the changes and stick to default */
+
+ if (file_default != model_default) {
+ xmlFreeDoc (doc);
+ return;
+ }
+
+ for (child = root->xmlChildrenNode; child; child = child->next) {
+ gchar *id;
+ ETreePath path;
+
+ if (strcmp ((gchar *) child->name, "node")) {
+ d (g_warning ("unknown node '%s' in %s", child->name, filename));
+ continue;
+ }
+
+ id = e_xml_get_string_prop_by_name_with_default (child, (const guchar *)"id", "");
+
+ if (!strcmp (id, "")) {
+ g_free (id);
+ continue;
+ }
+
+ path = e_tree_model_get_node_by_id (etta->priv->source, id);
+ if (path)
+ e_tree_table_adapter_node_set_expanded (etta, path, !model_default);
+
+ g_free (id);
+ }
+
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+void
+e_tree_table_adapter_load_expanded_state (ETreeTableAdapter *etta,
+ const gchar *filename)
+{
+ xmlDoc *doc;
+
+ g_return_if_fail (etta != NULL);
+
+ doc = open_file (etta, filename);
+ if (!doc)
+ return;
+
+ e_tree_table_adapter_load_expanded_state_xml (etta, doc);
+
+ xmlFreeDoc (doc);
+}
+
+void
+e_tree_table_adapter_root_node_set_visible (ETreeTableAdapter *etta,
+ gboolean visible)
+{
+ gint size;
+
+ g_return_if_fail (etta != NULL);
+
+ if (etta->priv->root_visible == visible)
+ return;
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+
+ etta->priv->root_visible = visible;
+ if (!visible) {
+ ETreePath root = e_tree_model_get_root (etta->priv->source);
+ if (root)
+ e_tree_table_adapter_node_set_expanded (etta, root, TRUE);
+ }
+ size = (visible ? 1 : 0) + (etta->priv->root ? ((node_t *) etta->priv->root->data)->num_visible_children : 0);
+ resize_map (etta, size);
+ if (etta->priv->root)
+ fill_map (etta, 0, etta->priv->root);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+void
+e_tree_table_adapter_node_set_expanded (ETreeTableAdapter *etta,
+ ETreePath path,
+ gboolean expanded)
+{
+ GNode *gnode = lookup_gnode (etta, path);
+ node_t *node;
+ gint row;
+
+ if (!expanded && (!gnode || (e_tree_model_node_is_root (etta->priv->source, path) && !etta->priv->root_visible)))
+ return;
+
+ if (!gnode && expanded) {
+ ETreePath parent = e_tree_model_node_get_parent (etta->priv->source, path);
+ g_return_if_fail (parent != NULL);
+ e_tree_table_adapter_node_set_expanded (etta, parent, expanded);
+ gnode = lookup_gnode (etta, path);
+ }
+ g_return_if_fail (gnode != NULL);
+
+ node = (node_t *) gnode->data;
+
+ if (expanded == node->expanded)
+ return;
+
+ node->expanded = expanded;
+
+ row = get_row (etta, path);
+ if (row == -1)
+ return;
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ e_table_model_row_changed (E_TABLE_MODEL (etta), row);
+
+ if (expanded) {
+ gint num_children = insert_children (etta, gnode);
+ update_child_counts (gnode, num_children);
+ if (etta->priv->sort_info && e_table_sort_info_sorting_get_count (etta->priv->sort_info) > 0)
+ resort_node (etta, gnode, TRUE);
+ resize_map (etta, etta->priv->n_map + num_children);
+ move_map_elements (etta, row + 1 + num_children, row + 1, etta->priv->n_map - row - 1 - num_children);
+ fill_map (etta, row, gnode);
+ if (num_children != 0) {
+ e_table_model_rows_inserted (E_TABLE_MODEL (etta), row + 1, num_children);
+ } else
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ } else {
+ gint num_children = delete_children (etta, gnode);
+ if (num_children == 0) {
+ e_table_model_no_change (E_TABLE_MODEL (etta));
+ return;
+ }
+ move_map_elements (etta, row + 1, row + 1 + num_children, etta->priv->n_map - row - 1 - num_children);
+ update_child_counts (gnode, - num_children);
+ resize_map (etta, etta->priv->n_map - num_children);
+ e_table_model_rows_deleted (E_TABLE_MODEL (etta), row + 1, num_children);
+ }
+}
+
+void
+e_tree_table_adapter_node_set_expanded_recurse (ETreeTableAdapter *etta,
+ ETreePath path,
+ gboolean expanded)
+{
+ ETreePath children;
+
+ e_tree_table_adapter_node_set_expanded (etta, path, expanded);
+
+ for (children = e_tree_model_node_get_first_child (etta->priv->source, path);
+ children;
+ children = e_tree_model_node_get_next (etta->priv->source, children)) {
+ e_tree_table_adapter_node_set_expanded_recurse (etta, children, expanded);
+ }
+}
+
+ETreePath
+e_tree_table_adapter_node_at_row (ETreeTableAdapter *etta,
+ gint row)
+{
+ return get_path (etta, row);
+}
+
+gint
+e_tree_table_adapter_row_of_node (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ return get_row (etta, path);
+}
+
+gboolean
+e_tree_table_adapter_root_node_is_visible (ETreeTableAdapter *etta)
+{
+ return etta->priv->root_visible;
+}
+
+void
+e_tree_table_adapter_show_node (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ ETreePath parent;
+
+ parent = e_tree_model_node_get_parent (etta->priv->source, path);
+
+ while (parent) {
+ e_tree_table_adapter_node_set_expanded (etta, parent, TRUE);
+ parent = e_tree_model_node_get_parent (etta->priv->source, parent);
+ }
+}
+
+gboolean
+e_tree_table_adapter_node_is_expanded (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ node_t *node = get_node (etta, path);
+ if (!e_tree_model_node_is_expandable (etta->priv->source, path) || !node)
+ return FALSE;
+
+ return node->expanded;
+}
+
+void
+e_tree_table_adapter_set_sort_info (ETreeTableAdapter *etta,
+ ETableSortInfo *sort_info)
+{
+ if (etta->priv->sort_info) {
+ g_signal_handler_disconnect (
+ etta->priv->sort_info,
+ etta->priv->sort_info_changed_id);
+ g_object_unref (etta->priv->sort_info);
+ }
+
+ etta->priv->sort_info = sort_info;
+ if (sort_info) {
+ g_object_ref (sort_info);
+ etta->priv->sort_info_changed_id = g_signal_connect (
+ sort_info, "sort_info_changed",
+ G_CALLBACK (etta_sort_info_changed), etta);
+ }
+
+ if (!etta->priv->root)
+ return;
+
+ e_table_model_pre_change (E_TABLE_MODEL (etta));
+ resort_node (etta, etta->priv->root, TRUE);
+ fill_map (etta, 0, etta->priv->root);
+ e_table_model_changed (E_TABLE_MODEL (etta));
+}
+
+ETableSortInfo *
+e_tree_table_adapter_get_sort_info (ETreeTableAdapter *etta)
+{
+ g_return_val_if_fail (etta != NULL, NULL);
+
+ return etta->priv->sort_info;
+}
+
+ETableHeader *
+e_tree_table_adapter_get_header (ETreeTableAdapter *etta)
+{
+ g_return_val_if_fail (etta != NULL, NULL);
+
+ return etta->priv->header;
+}
+
+ETreePath
+e_tree_table_adapter_node_get_next (ETreeTableAdapter *etta,
+ ETreePath path)
+{
+ GNode *node = lookup_gnode (etta, path);
+
+ if (node && node->next)
+ return ((node_t *) node->next->data)->path;
+
+ return NULL;
+}
generated by cgit (git 2.34.1) at 2024-11-12 02:34:40 +0800