Add restore button on Many2Many widget

sao/CHANGELOG

@@ -1,3 +1,4 @@
+* Add restore button on Many2Many
 * Keep CSV export window opened
 * Remove favorite management
 * Retry JSON-RPC requests on Service Unavailable

sao/src/view/form.js

@@ -4015,6 +4015,16 @@ function eval_pyson(value){
             ).appendTo(buttons);
             this.but_remove.click(this.remove.bind(this));
 
+            this.but_unremove = jQuery('<button/>', {
+                'class': 'btn btn-default btn-sm',
+                'type': 'button',
+                'tabindex': -1,
+                'aria-label': Sao.i18n.gettext("Restore"),
+                'title': Sao.i18n.gettext("Restore"),
+            }).append(Sao.common.ICONFACTORY.get_icon_img('tryton-undo')
+            ).appendTo(buttons);
+            this.but_unremove.click(this.unremove.bind(this));
+
             this.content = jQuery('<div/>', {
                 'class': this.class_ + '-content panel-body'
             });
@@ -4085,6 +4095,8 @@ function eval_pyson(value){
 
             var removable =
                 this.screen.selected_records.some((r) => !r.deleted && !r.removed);
+            var unremovable =
+                this.screen.selected_records.some((r) => r.deleted || r.removed);
 
             this.entry.prop('disabled', this._readonly || !record);
             this.but_add.prop('disabled', this._readonly || !record || size_limit);
@@ -4094,6 +4106,12 @@ function eval_pyson(value){
                 !record ||
                 !removable ||
                 this._position === 0);
+            this.but_unremove.prop(
+                'disabled',
+                this._readonly ||
+                !record ||
+                !unremovable ||
+                this._position === 0);
         },
         record_message: function(position, size) {
             this._position = position;
@@ -4191,6 +4209,9 @@ function eval_pyson(value){
         remove: function() {
             this.screen.remove(false, true, false);
         },
+        unremove: function() {
+            this.screen.unremove();
+        },
         key_press: function(event_) {
             var activate_keys = [Sao.common.TAB_KEYCODE];
             if (!this.wid_completion) {

tryton/CHANGELOG

@@ -1,3 +1,4 @@
+* Add restore button on Many2Many
 * Keep CSV export window opened
 * Remove favorite management
 * Retry JSON-RPC requests on Service Unavailable

tryton/tryton/gui/window/view_form/view/form_gtk/many2many.py

@@ -82,6 +82,14 @@ class Many2Many(Widget):
         self.but_remove.set_relief(Gtk.ReliefStyle.NONE)
         hbox.pack_start(self.but_remove, expand=False, fill=False, padding=0)
 
+        self.but_unremove = Gtk.Button(can_focus=False)
+        tooltips.set_tip(self.but_unremove, _("Restore selected record"))
+        self.but_unremove.connect('clicked', self._sig_unremove)
+        self.but_unremove.add(common.IconFactory.get_image(
+                'tryton-undo', Gtk.IconSize.SMALL_TOOLBAR))
+        self.but_unremove.set_relief(Gtk.ReliefStyle.NONE)
+        hbox.pack_start(self.but_unremove, expand=False, fill=False, padding=0)
+
         tooltips.enable()
 
         frame = Gtk.Frame()
@@ -130,6 +138,9 @@ class Many2Many(Widget):
             elif event.keyval in remove_keys and editable:
                 self._sig_remove()
                 return True
+            elif event.keyval == Gdk.KEY_Insert:
+                self._sig_unremove()
+                return True
         elif widget == self.wid_text:
             if event.keyval == Gdk.KEY_F3:
                 self._sig_new()
@@ -194,6 +205,9 @@ class Many2Many(Widget):
     def _sig_remove(self, *args):
         self.screen.remove(remove=True)
 
+    def _sig_unremove(self, *args):
+        self.screen.unremove()
+
     def _on_activate(self):
         self._sig_edit()
 
@@ -287,6 +301,8 @@ class Many2Many(Widget):
         removable = any(
             not r.deleted and not r.removed
             for r in self.screen.selected_records)
+        unremovable = any(
+            r.deleted or r.removed for r in self.screen.selected_records)
 
         self.but_add.set_sensitive(bool(
                 not self._readonly
@@ -295,6 +311,11 @@ class Many2Many(Widget):
                 not self._readonly
                 and removable
                 and self._position))
+        self.but_unremove.set_sensitive(bool(
+                not self._readonly
+                and not size_limit
+                and unremovable
+                and self._position))
 
     def record_message(self, position, size, *args):
         self._position = position