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authorIain Holmes <iain@src.gnome.org>2002-03-18 23:47:04 +0800
committerIain Holmes <iain@src.gnome.org>2002-03-18 23:47:04 +0800
commitbc73d24d04269d1cd4df99acdb511580626ca98f (patch)
treebe2344b66d4dcbfe8a28fac8446f3243f2c1b800 /my-evolution/e-summary-shown.c
parent0ae3f73824ac55fab40594bc0ee16812d0f3bbf4 (diff)
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VFolders in the summary
svn path=/trunk/; revision=16190
Diffstat (limited to 'my-evolution/e-summary-shown.c')
-rw-r--r--my-evolution/e-summary-shown.c582
1 files changed, 582 insertions, 0 deletions
diff --git a/my-evolution/e-summary-shown.c b/my-evolution/e-summary-shown.c
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+++ b/my-evolution/e-summary-shown.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Iain Holmes <iain@ximian.com>
+ *
+ * Copyright 2002 Ximian, Inc. (www.ximian.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+#include <gtk/gtkhbox.h>
+#include <gtk/gtkenums.h>
+#include <gtk/gtksignal.h>
+
+#include <gal/util/e-util.h>
+#include <gal/widgets/e-gui-utils.h>
+
+#include <gal/e-table/e-table-header.h>
+#include <gal/e-table/e-table-header-item.h>
+#include <gal/e-table/e-table-item.h>
+#include <gal/e-table/e-cell-text.h>
+#include <gal/e-table/e-cell-tree.h>
+#include <gal/e-table/e-table.h>
+#include <gal/e-table/e-tree.h>
+
+#include <gal/e-table/e-tree-scrolled.h>
+#include <gal/e-table/e-tree-memory.h>
+#include <gal/e-table/e-tree-memory-callbacks.h>
+#include <gal/e-table/e-tree-table-adapter.h>
+
+#include <libgnome/gnome-i18n.h>
+#include <libgnomeui/gnome-init.h>
+
+#include "e-summary-shown.h"
+
+#define COLS 1
+
+/* Needs to be filled in before use */
+#define SPEC "<ETableSpecification cursor-mode=\"line\" draw-focus=\"true\"> \
+<ETableColumn model_col=\"0\" _title=\" \" resizable=\"true\" cell=\"tree-string\" compare=\"string\"/> \
+<ETableState> \
+<column source=\"0\"/> \
+<grouping></grouping> \
+</ETableState> \
+</ETableSpecification>"
+
+#define PARENT_TYPE (gtk_hbox_get_type ())
+static GtkObjectClass *e_summary_shown_parent_class;
+
+enum {
+ ITEM_CHANGED,
+ LAST_SIGNAL
+};
+static guint32 shown_signals[LAST_SIGNAL] = { 0 };
+
+typedef struct _TableData {
+ ETreeModel *etm;
+ ETreePath *root;
+
+ GtkWidget *etable;
+ GSList *contents;
+} TableData;
+
+struct _ESummaryShownPrivate {
+ TableData *all, *shown;
+ GtkWidget *add, *remove;
+};
+
+static GdkPixbuf *
+icon_at (ETreeModel *etm,
+ ETreePath path,
+ void *model_data)
+{
+ return NULL;
+}
+
+static int
+column_count (ETreeModel *etm,
+ void *data)
+{
+ return COLS;
+}
+
+static void *
+duplicate_value (ETreeModel *etm,
+ int col,
+ const void *value,
+ void *data)
+{
+ return g_strdup (value);
+}
+
+static void
+free_value (ETreeModel *etm,
+ int col,
+ void *value,
+ void *data)
+{
+ g_free (value);
+}
+
+static void *
+initialise_value (ETreeModel *etm,
+ int col,
+ void *data)
+{
+ return g_strdup ("");
+}
+
+static gboolean
+value_is_empty (ETreeModel *etm,
+ int col,
+ const void *value,
+ void *data)
+{
+ return !(value && *(char *)value);
+}
+
+static char *
+value_to_string (ETreeModel *etm,
+ int col,
+ const void *value,
+ void *data)
+{
+ return g_strdup (value);
+}
+
+static void *
+value_at (ETreeModel *etm,
+ ETreePath path,
+ int col,
+ void *model_data)
+{
+ GHashTable *model = model_data;
+ ESummaryShownModelEntry *entry;
+
+ if (e_tree_model_node_is_root (etm, path)) {
+ return "<Root>";
+ }
+
+ entry = g_hash_table_lookup (model, path);
+ if (entry == NULL) {
+ return "<None>";
+ } else {
+ return entry->name;
+ }
+}
+
+static gboolean
+is_editable (ETreeModel *etm,
+ ETreePath path,
+ int col,
+ void *model_data)
+{
+ return FALSE;
+}
+
+static void
+destroy (GtkObject *object)
+{
+ ESummaryShown *shown;
+ ESummaryShownPrivate *priv;
+
+ shown = E_SUMMARY_SHOWN (object);
+ priv = shown->priv;
+
+ if (priv == NULL) {
+ return;
+ }
+
+ g_free (priv);
+ shown->priv = NULL;
+
+ e_summary_shown_parent_class->destroy (object);
+}
+
+static void
+e_summary_shown_class_init (GtkObjectClass *object_class)
+{
+ object_class->destroy = destroy;
+
+ e_summary_shown_parent_class = gtk_type_class (PARENT_TYPE);
+
+ shown_signals[ITEM_CHANGED] = gtk_signal_new ("item-changed",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ESummaryShownClass, item_changed),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+ gtk_object_class_add_signals (object_class, shown_signals, LAST_SIGNAL);
+}
+
+static gboolean
+is_location_in_shown (ESummaryShown *shown,
+ const char *location)
+{
+ GSList *p;
+
+ for (p = shown->priv->shown->contents; p; p = p->next) {
+ ESummaryShownModelEntry *entry = p->data;
+ if (entry->location == NULL) {
+ continue;
+ }
+
+ if (strcmp (entry->location, location) == 0) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+static ESummaryShownModelEntry *
+find_entry_from_location (ESummaryShown *shown,
+ const char *location)
+{
+ GSList *p;
+
+ for (p = shown->priv->shown->contents; p; p = p->next) {
+ ESummaryShownModelEntry *entry = p->data;
+
+ if (entry->location == NULL) {
+ continue;
+ }
+
+ if (strcmp ((char *) entry->location, location) == 0) {
+ return entry;
+ }
+ }
+
+ return NULL;
+}
+
+struct _CountData {
+ ESummaryShown *shown;
+ int count;
+};
+
+static void
+real_selected_count (ETreePath path,
+ gpointer data)
+{
+ ESummaryShownModelEntry *entry;
+ struct _CountData *cd = data;
+
+ entry = g_hash_table_lookup (cd->shown->all_model, path);
+ g_return_if_fail (entry != NULL);
+
+ if (entry->showable == FALSE) {
+ return;
+ }
+
+ if (is_location_in_shown (cd->shown, entry->location)) {
+ return;
+ }
+
+ cd->count++;
+}
+
+static void
+all_selection_changed (ETree *et,
+ ESummaryShown *shown)
+{
+ ESelectionModel *esm;
+ int count;
+
+ esm = e_tree_get_selection_model (et);
+
+ count = e_selection_model_selected_count (esm);
+ if (count == 0) {
+ gtk_widget_set_sensitive (shown->priv->add, FALSE);
+ } else {
+ struct _CountData *cd;
+
+ cd = g_new (struct _CountData, 1);
+ cd->shown = shown;
+ cd->count = 0;
+
+ e_tree_selection_model_foreach (E_TREE_SELECTION_MODEL (esm),
+ real_selected_count, cd);
+ if (cd->count != 0) {
+ gtk_widget_set_sensitive (shown->priv->add, TRUE);
+ } else {
+ gtk_widget_set_sensitive (shown->priv->add, FALSE);
+ }
+ }
+}
+
+static void
+shown_selection_changed (ETree *et,
+ ESummaryShown *shown)
+{
+ ESelectionModel *esm;
+ int count;
+
+ esm = e_tree_get_selection_model (et);
+
+ count = e_selection_model_selected_count (esm);
+ if (count == 0) {
+ gtk_widget_set_sensitive (shown->priv->remove, FALSE);
+ } else {
+ gtk_widget_set_sensitive (shown->priv->remove, TRUE);
+ }
+}
+
+static void
+maybe_move_to_shown (ETreePath path,
+ gpointer closure)
+{
+ ESummaryShown *shown = closure;
+ ESummaryShownModelEntry *entry, *new_entry;
+
+ entry = g_hash_table_lookup (shown->all_model, path);
+ g_return_if_fail (entry != NULL);
+
+ /* Check is the entry can be shown */
+ if (entry->showable == FALSE) {
+ return;
+ }
+
+ /* check if the entry is already in the shown list */
+ if (is_location_in_shown (shown, entry->location) == TRUE) {
+ return;
+ }
+
+ new_entry = g_new (ESummaryShownModelEntry, 1);
+ new_entry->name = g_strdup (entry->name);
+ new_entry->location = g_strdup (entry->location);
+ new_entry->showable = entry->showable;
+ new_entry->ref_count = 0;
+
+ e_summary_shown_add_node (shown, FALSE, new_entry, NULL, NULL);
+ gtk_signal_emit (GTK_OBJECT (shown), shown_signals[ITEM_CHANGED]);
+ g_print ("Added %s\n", entry->name);
+}
+
+static void
+add_clicked (GtkWidget *button,
+ ESummaryShown *shown)
+{
+ ESelectionModel *esm;
+ ETree *et;
+
+ et = e_tree_scrolled_get_tree (E_TREE_SCROLLED (shown->priv->all->etable));
+ esm = e_tree_get_selection_model (et);
+
+ e_tree_selection_model_foreach (E_TREE_SELECTION_MODEL (esm),
+ maybe_move_to_shown, shown);
+}
+
+static void
+remove_from_shown (ETreePath path,
+ gpointer closure)
+{
+ ESummaryShown *shown = closure;
+ ESummaryShownModelEntry *entry;
+
+ entry = g_hash_table_lookup (shown->shown_model, path);
+ g_return_if_fail (entry != NULL);
+
+ e_summary_shown_remove_node (shown, FALSE, entry);
+ gtk_signal_emit (GTK_OBJECT (shown), shown_signals[ITEM_CHANGED]);
+}
+
+static void
+remove_clicked (GtkWidget *button,
+ ESummaryShown *shown)
+{
+ ESelectionModel *esm;
+ ETree *et;
+
+ et = e_tree_scrolled_get_tree (E_TREE_SCROLLED (shown->priv->shown->etable));
+ esm = e_tree_get_selection_model (et);
+
+ e_tree_selection_model_foreach (E_TREE_SELECTION_MODEL (esm),
+ remove_from_shown, shown);
+}
+
+static TableData *
+make_table (GHashTable *data_model,
+ GtkSignalFunc callback,
+ gpointer closure)
+{
+ TableData *td;
+ ETreeMemory *etmm;
+ ETree *tree;
+
+ td = g_new (TableData, 1);
+ td->etm = e_tree_memory_callbacks_new (icon_at,
+ column_count,
+
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+
+ value_at,
+ NULL,
+ is_editable,
+
+ duplicate_value,
+ free_value,
+ initialise_value,
+ value_is_empty,
+ value_to_string,
+
+ data_model);
+ gtk_object_ref (GTK_OBJECT (td->etm));
+ gtk_object_sink (GTK_OBJECT (td->etm));
+
+ etmm = E_TREE_MEMORY (td->etm);
+ e_tree_memory_set_expanded_default (etmm, TRUE);
+
+ td->root = e_tree_memory_node_insert (etmm, NULL, 0, NULL);
+
+ td->etable = e_tree_scrolled_new (td->etm, NULL, SPEC, NULL);
+
+ tree = e_tree_scrolled_get_tree (E_TREE_SCROLLED (td->etable));
+ e_tree_root_node_set_visible (tree, FALSE);
+ gtk_signal_connect (GTK_OBJECT (tree), "selection-change",
+ callback, closure);
+
+ td->contents = NULL;
+ return td;
+}
+
+static void
+e_summary_shown_init (ESummaryShown *shown)
+{
+ ESummaryShownPrivate *priv;
+ GtkWidget *vbox;
+
+ shown->shown_model = g_hash_table_new (NULL, NULL);
+ shown->all_model = g_hash_table_new (NULL, NULL);
+
+ priv = g_new (ESummaryShownPrivate, 1);
+ shown->priv = priv;
+
+ priv->all = make_table (shown->all_model, GTK_SIGNAL_FUNC (all_selection_changed), shown);
+
+ gtk_box_pack_start (GTK_BOX (shown), priv->all->etable, TRUE, TRUE, 0);
+ gtk_widget_show (priv->all->etable);
+
+ vbox = gtk_vbox_new (TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (shown), vbox, FALSE, FALSE, 0);
+
+ priv->add = gtk_button_new_with_label (_("Add->"));
+ gtk_widget_set_sensitive (priv->add, FALSE);
+ gtk_box_pack_start (GTK_BOX (vbox), priv->add, TRUE, FALSE, 0);
+ gtk_signal_connect (GTK_OBJECT (priv->add), "clicked",
+ GTK_SIGNAL_FUNC (add_clicked), shown);
+
+ priv->remove = gtk_button_new_with_label (_("<-Remove"));
+ gtk_widget_set_sensitive (priv->remove, FALSE);
+ gtk_box_pack_start (GTK_BOX (vbox), priv->remove, TRUE, FALSE, 0);
+ gtk_signal_connect (GTK_OBJECT (priv->remove), "clicked",
+ GTK_SIGNAL_FUNC (remove_clicked), shown);
+
+ gtk_widget_show_all (vbox);
+
+ priv->shown = make_table (shown->shown_model, GTK_SIGNAL_FUNC (shown_selection_changed), shown);
+
+ gtk_box_pack_start (GTK_BOX (shown), priv->shown->etable, TRUE, TRUE, 0);
+ gtk_widget_show (priv->shown->etable);
+}
+
+E_MAKE_TYPE (e_summary_shown, "ESummaryShown", ESummaryShown,
+ e_summary_shown_class_init, e_summary_shown_init, PARENT_TYPE);
+
+GtkWidget *
+e_summary_shown_new (void)
+{
+ ESummaryShown *shown;
+
+ shown = gtk_type_new (e_summary_shown_get_type ());
+ return GTK_WIDGET (shown);
+}
+
+static ETreePath
+e_tree_model_node_append (ETreeModel *etm,
+ ETreePath parent,
+ gpointer data)
+{
+ ETreeMemory *etmm;
+ int position;
+
+ position = e_tree_model_node_get_children (etm, parent, NULL);
+
+ etmm = E_TREE_MEMORY (etm);
+ return e_tree_memory_node_insert (etmm, parent, position, data);
+}
+
+ETreePath
+e_summary_shown_add_node (ESummaryShown *shown,
+ gboolean all,
+ ESummaryShownModelEntry *entry,
+ ETreePath parent,
+ gpointer data)
+{
+ TableData *td;
+ ETreePath path;
+ ETreeMemory *etmm;
+ GHashTable *model;
+
+ g_return_val_if_fail (IS_E_SUMMARY_SHOWN (shown), NULL);
+
+ if (all == TRUE) {
+ td = shown->priv->all;
+ model = shown->all_model;
+ } else {
+ td = shown->priv->shown;
+ model = shown->shown_model;
+ }
+
+ if (parent == NULL) {
+ parent = td->root;
+ }
+
+ etmm = E_TREE_MEMORY (td->etm);
+ path = e_tree_model_node_append (td->etm, parent, data);
+
+ entry->path = path;
+
+ g_hash_table_insert (model, path, entry);
+
+ if (all == FALSE) {
+ /* Add the location to the list */
+ td->contents = g_slist_prepend (td->contents, entry);
+ }
+
+ return path;
+}
+
+void
+e_summary_shown_remove_node (ESummaryShown *shown,
+ gboolean all,
+ ESummaryShownModelEntry *entry)
+{
+ TableData *td;
+ GHashTable *model;
+ ETreeMemory *etmm;
+
+ g_return_if_fail (IS_E_SUMMARY_SHOWN (shown));
+
+ if (all == TRUE) {
+ td = shown->priv->all;
+ model = shown->all_model;
+ } else {
+ td = shown->priv->shown;
+ model = shown->shown_model;
+ }
+
+ etmm = E_TREE_MEMORY (td->etm);
+ e_tree_memory_node_remove (etmm, entry->path);
+
+ g_hash_table_remove (model, entry->path);
+
+ if (all == FALSE) {
+ td->contents = g_slist_remove (td->contents, entry);
+ }
+
+}