New upstream version 1.0.3
[moonshot-ui.git] / src / moonshot-warning-dialog.vala
diff --git a/src/moonshot-warning-dialog.vala b/src/moonshot-warning-dialog.vala
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+/*
+ * Copyright (c) 2011-2016, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+*/
+using Gtk;
+
+static const string GROUP_NAME="WarningDialogs";
+
+// MessageDialog doesn't allow subclassing, so we merely wrap the
+// constructor for it the dialog, and then run it, returning the result.
+class WarningDialog 
+{
+    private static MoonshotLogger _logger = null;
+    private static MoonshotLogger logger()
+        {
+            if (_logger == null) {
+                _logger = get_logger("WarningDialog");
+            }
+            return _logger;
+        }
+
+    public static bool confirm(Window parent, string message, string dialog_name)
+    {
+
+        if (get_bool_setting(GROUP_NAME, dialog_name, false))
+        {
+            logger().trace(@"confirm: Settings group $GROUP_NAME has 'true' for key $dialog_name; skipping dialog and returning true.");
+            return true;
+        }
+
+        Gdk.Color white = make_color(65535, 65535, 65535);
+
+        MessageDialog dialog = new Gtk.MessageDialog(parent,
+                                                     Gtk.DialogFlags.DESTROY_WITH_PARENT,
+                                                     Gtk.MessageType.WARNING,
+                                                     Gtk.ButtonsType.YES_NO,
+                                                     "%s", "");
+
+        var content_area = dialog.get_content_area();
+        CheckButton remember_checkbutton = null;
+
+        if (dialog_name != null && dialog_name != "")
+        {
+            remember_checkbutton = new CheckButton.with_label(_("Do not show this message again"));
+            // remember_checkbutton.set_focus_on_click(false);
+            // remember_checkbutton.set_can_focus(false);
+            // remember_checkbutton.has_focus = false;
+            remember_checkbutton.set_receives_default(false);
+            Container action_area = (Container) dialog.get_action_area();
+
+            Button yes_button = (Button) dialog.get_widget_for_response(ResponseType.YES);
+            yes_button.grab_default();
+            yes_button.grab_focus();
+
+// Not sure if 0.26 is the minimum for MessageDialog.get_message_area. 0.16 sure isn't :-(
+#if VALA_0_26
+            var message_area = dialog.get_message_area();
+            ((Box)message_area).pack_start(remember_checkbutton, false, false, 12);
+#else
+            HBox hbox = new HBox(false, 0);
+            hbox.pack_start(new HBox(false, 0), true, true, 20);
+            hbox.pack_start(remember_checkbutton, false, false, 12);
+            ((Box)content_area).pack_start(hbox, true, true, 12);
+#endif
+        }
+
+        // dialog.set_modal(true);
+        dialog.set_title(_("Warning"));
+        set_bg_color(dialog);
+
+        // ((Box) content_area).set_spacing(12);
+        set_bg_color(content_area);
+
+        content_area.show_all();
+
+        dialog.set_markup(message);
+
+        var ret = dialog.run();
+
+        if (ret == Gtk.ResponseType.YES && remember_checkbutton != null && remember_checkbutton.active)
+        {
+            set_bool_setting(GROUP_NAME, dialog_name, true);
+        }
+
+        dialog.destroy();
+        return (ret == Gtk.ResponseType.YES);
+    }
+}