/*
* 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.
*
* 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 Lesser General Public License
* along with this program; if not, see .
*
*
* Authors:
* Not Zed
* Jeffrey Stedfast
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include
#endif
#include "e-rule-editor.h"
/* for getenv only, remove when getenv need removed */
#include
#include
#include
#include "e-alert-dialog.h"
#include "e-misc-utils.h"
#define E_RULE_EDITOR_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_RULE_EDITOR, ERuleEditorPrivate))
enum {
BUTTON_ADD,
BUTTON_EDIT,
BUTTON_DELETE,
BUTTON_TOP,
BUTTON_UP,
BUTTON_DOWN,
BUTTON_BOTTOM,
BUTTON_LAST
};
struct _ERuleEditorPrivate {
GtkButton *buttons[BUTTON_LAST];
};
G_DEFINE_TYPE (
ERuleEditor,
e_rule_editor,
GTK_TYPE_DIALOG)
static void
dialog_rule_changed (EFilterRule *fr,
GtkWidget *dialog)
{
g_return_if_fail (dialog != NULL);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, fr && fr->parts);
}
static void
add_editor_response (GtkWidget *dialog,
gint button,
ERuleEditor *editor)
{
GtkTreeSelection *selection;
GtkTreePath *path;
GtkTreeIter iter;
if (button == GTK_RESPONSE_OK) {
EAlert *alert = NULL;
if (!e_filter_rule_validate (editor->edit, &alert)) {
e_alert_run_dialog (GTK_WINDOW (dialog), alert);
g_object_unref (alert);
return;
}
if (e_rule_context_find_rule (editor->context, editor->edit->name, editor->edit->source)) {
e_alert_run_dialog_for_args (
GTK_WINDOW (dialog),
"filter:bad-name-notunique",
editor->edit->name, NULL);
return;
}
g_object_ref (editor->edit);
gtk_list_store_append (editor->model, &iter);
gtk_list_store_set (
editor->model, &iter,
0, editor->edit->name,
1, editor->edit,
2, editor->edit->enabled, -1);
selection = gtk_tree_view_get_selection (editor->list);
gtk_tree_selection_select_iter (selection, &iter);
/* scroll to the newly added row */
path = gtk_tree_model_get_path (
GTK_TREE_MODEL (editor->model), &iter);
gtk_tree_view_scroll_to_cell (
editor->list, path, NULL, TRUE, 1.0, 0.0);
gtk_tree_path_free (path);
editor->current = editor->edit;
e_rule_context_add_rule (editor->context, editor->current);
}
gtk_widget_destroy (dialog);
}
static void
editor_destroy (ERuleEditor *editor,
GObject *deadbeef)
{
if (editor->edit) {
g_object_unref (editor->edit);
editor->edit = NULL;
}
editor->dialog = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
e_rule_editor_set_sensitive (editor);
}
static gboolean
update_selected_rule (ERuleEditor *editor)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
selection = gtk_tree_view_get_selection (editor->list);
if (selection && gtk_tree_selection_get_selected (selection, &model, &iter)) {
gtk_tree_model_get (GTK_TREE_MODEL (editor->model), &iter, 1, &editor->current, -1);
return TRUE;
}
return FALSE;
}
static void
cursor_changed (GtkTreeView *treeview,
ERuleEditor *editor)
{
if (update_selected_rule (editor)) {
g_return_if_fail (editor->current);
e_rule_editor_set_sensitive (editor);
}
}
static void
rule_add (GtkWidget *widget,
ERuleEditor *editor)
{
GtkWidget *rules;
GtkWidget *content_area;
if (editor->edit != NULL)
return;
editor->edit = e_rule_editor_create_rule (editor);
e_filter_rule_set_source (editor->edit, editor->source);
rules = e_filter_rule_get_widget (editor->edit, editor->context);
editor->dialog = gtk_dialog_new ();
gtk_dialog_add_buttons (
GTK_DIALOG (editor->dialog),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_window_set_title ((GtkWindow *) editor->dialog, _("Add Rule"));
gtk_window_set_default_size (GTK_WINDOW (editor->dialog), 650, 400);
gtk_window_set_resizable (GTK_WINDOW (editor->dialog), TRUE);
gtk_window_set_transient_for ((GtkWindow *) editor->dialog, (GtkWindow *) editor);
gtk_container_set_border_width ((GtkContainer *) editor->dialog, 6);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (editor->dialog));
gtk_box_pack_start (GTK_BOX (content_area), rules, TRUE, TRUE, 3);
g_signal_connect (
editor->dialog, "response",
G_CALLBACK (add_editor_response), editor);
g_object_weak_ref ((GObject *) editor->dialog, (GWeakNotify) editor_destroy, editor);
g_signal_connect (
editor->edit, "changed",
G_CALLBACK (dialog_rule_changed), editor->dialog);
dialog_rule_changed (editor->edit, editor->dialog);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gtk_widget_show (editor->dialog);
}
static void
edit_editor_response (GtkWidget *dialog,
gint button,
ERuleEditor *editor)
{
EFilterRule *rule;
GtkTreePath *path;
GtkTreeIter iter;
gint pos;
if (button == GTK_RESPONSE_OK) {
EAlert *alert = NULL;
if (!e_filter_rule_validate (editor->edit, &alert)) {
e_alert_run_dialog (GTK_WINDOW (dialog), alert);
g_object_unref (alert);
return;
}
rule = e_rule_context_find_rule (
editor->context,
editor->edit->name,
editor->edit->source);
if (rule != NULL && rule != editor->current) {
e_alert_run_dialog_for_args (
GTK_WINDOW (dialog),
"filter:bad-name-notunique",
rule->name, NULL);
return;
}
pos = e_rule_context_get_rank_rule (
editor->context,
editor->current,
editor->source);
if (pos != -1) {
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, pos);
gtk_tree_model_get_iter (
GTK_TREE_MODEL (editor->model), &iter, path);
gtk_tree_path_free (path);
gtk_list_store_set (
editor->model, &iter,
0, editor->edit->name, -1);
/* replace the old rule with the new rule */
e_filter_rule_copy (editor->current, editor->edit);
}
}
gtk_widget_destroy (dialog);
}
static void
rule_edit (GtkWidget *widget,
ERuleEditor *editor)
{
GtkWidget *rules;
GtkWidget *content_area;
update_selected_rule (editor);
if (editor->current == NULL || editor->edit != NULL)
return;
editor->edit = e_filter_rule_clone (editor->current);
rules = e_filter_rule_get_widget (editor->edit, editor->context);
editor->dialog = gtk_dialog_new ();
gtk_dialog_add_buttons (
(GtkDialog *) editor->dialog,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_window_set_title ((GtkWindow *) editor->dialog, _("Edit Rule"));
gtk_window_set_default_size (GTK_WINDOW (editor->dialog), 650, 400);
gtk_window_set_resizable (GTK_WINDOW (editor->dialog), TRUE);
gtk_window_set_transient_for (GTK_WINDOW (editor->dialog), GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (editor))));
gtk_container_set_border_width ((GtkContainer *) editor->dialog, 6);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (editor->dialog));
gtk_box_pack_start (GTK_BOX (content_area), rules, TRUE, TRUE, 3);
g_signal_connect (
editor->dialog, "response",
G_CALLBACK (edit_editor_response), editor);
g_object_weak_ref ((GObject *) editor->dialog, (GWeakNotify) editor_destroy, editor);
g_signal_connect (
editor->edit, "changed",
G_CALLBACK (dialog_rule_changed), editor->dialog);
dialog_rule_changed (editor->edit, editor->dialog);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gtk_widget_show (editor->dialog);
}
static void
rule_delete (GtkWidget *widget,
ERuleEditor *editor)
{
GtkTreeSelection *selection;
GtkTreePath *path;
GtkTreeIter iter;
gint pos, len;
update_selected_rule (editor);
pos = e_rule_context_get_rank_rule (editor->context, editor->current, editor->source);
if (pos != -1) {
EFilterRule *delete_rule = editor->current;
editor->current = NULL;
e_rule_context_remove_rule (editor->context, delete_rule);
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, pos);
gtk_tree_model_get_iter (GTK_TREE_MODEL (editor->model), &iter, path);
gtk_list_store_remove (editor->model, &iter);
gtk_tree_path_free (path);
g_object_unref (delete_rule);
/* now select the next rule */
len = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (editor->model), NULL);
pos = pos >= len ? len - 1 : pos;
if (pos >= 0) {
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, pos);
gtk_tree_model_get_iter (GTK_TREE_MODEL (editor->model), &iter, path);
gtk_tree_path_free (path);
/* select the new row */
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (editor->list));
gtk_tree_selection_select_iter (selection, &iter);
/* scroll to the selected row */
path = gtk_tree_model_get_path ((GtkTreeModel *) editor->model, &iter);
gtk_tree_view_scroll_to_cell (editor->list, path, NULL, FALSE, 0.0, 0.0);
gtk_tree_path_free (path);
/* update our selection state */
cursor_changed (editor->list, editor);
return;
}
}
e_rule_editor_set_sensitive (editor);
}
static void
rule_move (ERuleEditor *editor,
gint from,
gint to)
{
GtkTreeSelection *selection;
GtkTreePath *path;
GtkTreeIter iter;
EFilterRule *rule;
e_rule_context_rank_rule (
editor->context, editor->current, editor->source, to);
path = gtk_tree_path_new ();
gtk_tree_path_append_index (path, from);
gtk_tree_model_get_iter (GTK_TREE_MODEL (editor->model), &iter, path);
gtk_tree_path_free (path);
gtk_tree_model_get (GTK_TREE_MODEL (editor->model), &iter, 1, &rule, -1);
g_return_if_fail (rule != NULL);
/* remove and then re-insert the row at the new location */
gtk_list_store_remove (editor->model, &iter);
gtk_list_store_insert (editor->model, &iter, to);
/* set the data on the row */
gtk_list_store_set (editor->model, &iter, 0, rule->name, 1, rule, 2, rule->enabled, -1);
/* select the row */
selection = gtk_tree_view_get_selection (editor->list);
gtk_tree_selection_select_iter (selection, &iter);
/* scroll to the selected row */
path = gtk_tree_model_get_path ((GtkTreeModel *) editor->model, &iter);
gtk_tree_view_scroll_to_cell (editor->list, path, NULL, FALSE, 0.0, 0.0);
gtk_tree_path_free (path);
e_rule_editor_set_sensitive (editor);
}
static void
rule_top (GtkWidget *widget,
ERuleEditor *editor)
{
gint pos;
update_selected_rule (editor);
pos = e_rule_context_get_rank_rule (
editor->context, editor->current, editor->source);
if (pos > 0)
rule_move (editor, pos, 0);
}
static void
rule_up (GtkWidget *widget,
ERuleEditor *editor)
{
gint pos;
update_selected_rule (editor);
pos = e_rule_context_get_rank_rule (
editor->context, editor->current, editor->source);
if (pos > 0)
rule_move (editor, pos, pos - 1);
}
static void
rule_down (GtkWidget *widget,
ERuleEditor *editor)
{
gint pos;
update_selected_rule (editor);
pos = e_rule_context_get_rank_rule (
editor->context, editor->current, editor->source);
if (pos >= 0)
rule_move (editor, pos, pos + 1);
}
static void
rule_bottom (GtkWidget *widget,
ERuleEditor *editor)
{
gint pos;
gint count = 0;
EFilterRule *rule = NULL;
update_selected_rule (editor);
pos = e_rule_context_get_rank_rule (
editor->context, editor->current, editor->source);
/* There's probably a better/faster way to get the count of the list here */
while ((rule = e_rule_context_next_rule (editor->context, rule, editor->source)))
count++;
count--;
if (pos >= 0)
rule_move (editor, pos, count);
}
static struct {
const gchar *name;
GCallback func;
} edit_buttons[] = {
{ "rule_add", G_CALLBACK (rule_add) },
{ "rule_edit", G_CALLBACK (rule_edit) },
{ "rule_delete", G_CALLBACK (rule_delete) },
{ "rule_top", G_CALLBACK (rule_top) },
{ "rule_up", G_CALLBACK (rule_up) },
{ "rule_down", G_CALLBACK (rule_down) },
{ "rule_bottom", G_CALLBACK (rule_bottom) },
};
static void
rule_editor_finalize (GObject *object)
{
ERuleEditor *editor = E_RULE_EDITOR (object);
g_object_unref (editor->context);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (e_rule_editor_parent_class)->finalize (object);
}
static void
rule_editor_dispose (GObject *object)
{
ERuleEditor *editor = E_RULE_EDITOR (object);
if (editor->dialog != NULL) {
gtk_widget_destroy (GTK_WIDGET (editor->dialog));
editor->dialog = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_rule_editor_parent_class)->dispose (object);
}
static void
rule_editor_set_source (ERuleEditor *editor,
const gchar *source)
{
EFilterRule *rule = NULL;
GtkTreeIter iter;
gtk_list_store_clear (editor->model);
while ((rule = e_rule_context_next_rule (editor->context, rule, source)) != NULL) {
gtk_list_store_append (editor->model, &iter);
gtk_list_store_set (
editor->model, &iter,
0, rule->name, 1, rule, 2, rule->enabled, -1);
}
g_free (editor->source);
editor->source = g_strdup (source);
editor->current = NULL;
e_rule_editor_set_sensitive (editor);
}
static void
rule_editor_set_sensitive (ERuleEditor *editor)
{
EFilterRule *rule = NULL;
gint index = -1, count = 0;
while ((rule = e_rule_context_next_rule (editor->context, rule, editor->source))) {
if (rule == editor->current)
index = count;
count++;
}
count--;
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_EDIT]), index != -1);
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_DELETE]), index != -1);
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_TOP]), index > 0);
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_UP]), index > 0);
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_DOWN]), index >= 0 && index < count);
gtk_widget_set_sensitive (GTK_WIDGET (editor->priv->buttons[BUTTON_BOTTOM]), index >= 0 && index < count);
}
static EFilterRule *
rule_editor_create_rule (ERuleEditor *editor)
{
EFilterRule *rule;
EFilterPart *part;
/* create a rule with 1 part in it */
rule = e_filter_rule_new ();
part = e_rule_context_next_part (editor->context, NULL);
e_filter_rule_add_part (rule, e_filter_part_clone (part));
return rule;
}
static void
e_rule_editor_class_init (ERuleEditorClass *class)
{
GObjectClass *object_class;
g_type_class_add_private (class, sizeof (ERuleEditorPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = rule_editor_finalize;
object_class->dispose = rule_editor_dispose;
class->set_source = rule_editor_set_source;
class->set_sensitive = rule_editor_set_sensitive;
class->create_rule = rule_editor_create_rule;
}
static void
e_rule_editor_init (ERuleEditor *editor)
{
editor->priv = E_RULE_EDITOR_GET_PRIVATE (editor);
}
/**
* rule_editor_new:
*
* Create a new ERuleEditor object.
*
* Return value: A new #ERuleEditor object.
**/
ERuleEditor *
e_rule_editor_new (ERuleContext *context,
const gchar *source,
const gchar *label)
{
ERuleEditor *editor = (ERuleEditor *) g_object_new (E_TYPE_RULE_EDITOR, NULL);
GtkBuilder *builder;
builder = gtk_builder_new ();
e_load_ui_builder_definition (builder, "filter.ui");
e_rule_editor_construct (editor, context, builder, source, label);
gtk_widget_hide (e_builder_get_widget (builder, "label17"));
gtk_widget_hide (e_builder_get_widget (builder, "filter_source_combobox"));
g_object_unref (builder);
return editor;
}
void
e_rule_editor_set_sensitive (ERuleEditor *editor)
{
ERuleEditorClass *class;
g_return_if_fail (E_IS_RULE_EDITOR (editor));
class = E_RULE_EDITOR_GET_CLASS (editor);
g_return_if_fail (class->set_sensitive != NULL);
class->set_sensitive (editor);
}
void
e_rule_editor_set_source (ERuleEditor *editor,
const gchar *source)
{
ERuleEditorClass *class;
g_return_if_fail (E_IS_RULE_EDITOR (editor));
class = E_RULE_EDITOR_GET_CLASS (editor);
g_return_if_fail (class->set_source != NULL);
class->set_source (editor, source);
}
EFilterRule *
e_rule_editor_create_rule (ERuleEditor *editor)
{
ERuleEditorClass *class;
g_return_val_if_fail (E_IS_RULE_EDITOR (editor), NULL);
class = E_RULE_EDITOR_GET_CLASS (editor);
g_return_val_if_fail (class->create_rule != NULL, NULL);
return class->create_rule (editor);
}
static void
double_click (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
ERuleEditor *editor)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
selection = gtk_tree_view_get_selection (editor->list);
if (gtk_tree_selection_get_selected (selection, &model, &iter))
gtk_tree_model_get (GTK_TREE_MODEL (editor->model), &iter, 1, &editor->current, -1);
if (editor->current)
rule_edit ((GtkWidget *) treeview, editor);
}
static void
rule_able_toggled (GtkCellRendererToggle *renderer,
gchar *path_string,
gpointer user_data)
{
GtkWidget *table = user_data;
GtkTreeModel *model;
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_string);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (table));
if (gtk_tree_model_get_iter (model, &iter, path)) {
EFilterRule *rule = NULL;
gtk_tree_model_get (model, &iter, 1, &rule, -1);
if (rule) {
rule->enabled = !rule->enabled;
gtk_list_store_set (GTK_LIST_STORE (model), &iter, 2, rule->enabled, -1);
}
}
gtk_tree_path_free (path);
}
void
e_rule_editor_construct (ERuleEditor *editor,
ERuleContext *context,
GtkBuilder *builder,
const gchar *source,
const gchar *label)
{
GtkWidget *widget;
GtkWidget *action_area;
GtkWidget *content_area;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
GObject *object;
GList *list;
gint i;
g_return_if_fail (E_IS_RULE_EDITOR (editor));
g_return_if_fail (E_IS_RULE_CONTEXT (context));
g_return_if_fail (GTK_IS_BUILDER (builder));
editor->context = g_object_ref (context);
action_area = gtk_dialog_get_action_area (GTK_DIALOG (editor));
content_area = gtk_dialog_get_content_area (GTK_DIALOG (editor));
gtk_window_set_resizable ((GtkWindow *) editor, TRUE);
gtk_window_set_default_size ((GtkWindow *) editor, 350, 400);
gtk_widget_realize ((GtkWidget *) editor);
gtk_container_set_border_width (GTK_CONTAINER (action_area), 12);
widget = e_builder_get_widget (builder, "rule_editor");
gtk_box_pack_start (GTK_BOX (content_area), widget, TRUE, TRUE, 0);
for (i = 0; i < BUTTON_LAST; i++) {
widget = e_builder_get_widget (builder, edit_buttons[i].name);
editor->priv->buttons[i] = GTK_BUTTON (widget);
g_signal_connect (
widget, "clicked",
G_CALLBACK (edit_buttons[i].func), editor);
}
object = gtk_builder_get_object (builder, "rule_tree_view");
editor->list = GTK_TREE_VIEW (object);
column = gtk_tree_view_get_column (GTK_TREE_VIEW (object), 0);
g_return_if_fail (column != NULL);
gtk_tree_view_column_set_visible (column, FALSE);
list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
g_return_if_fail (list != NULL);
renderer = GTK_CELL_RENDERER (list->data);
g_warn_if_fail (GTK_IS_CELL_RENDERER_TOGGLE (renderer));
g_signal_connect (
renderer, "toggled",
G_CALLBACK (rule_able_toggled), editor->list);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (object));
gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
object = gtk_builder_get_object (builder, "rule_list_store");
editor->model = GTK_LIST_STORE (object);
g_signal_connect (
editor->list, "cursor-changed",
G_CALLBACK (cursor_changed), editor);
g_signal_connect (
editor->list, "row-activated",
G_CALLBACK (double_click), editor);
widget = e_builder_get_widget (builder, "rule_label");
gtk_label_set_label (GTK_LABEL (widget), label);
gtk_label_set_mnemonic_widget (
GTK_LABEL (widget), GTK_WIDGET (editor->list));
rule_editor_set_source (editor, source);
gtk_dialog_add_buttons (
GTK_DIALOG (editor),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
}