[gnome-boxes] wizard-toolbar: Content for file chooser view

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 8f7c3655845bb557b33f365917b106dfa0821a3d
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Dec 3 17:31:11 2014 +0000

    wizard-toolbar: Content for file chooser view
    
    The wizard topbar should provide a different set of controls and title
    when file chooser view is visible in the properties window.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741046

 data/ui/wizard-toolbar.ui |   55 +++++++++++++++++++++++++++++++++++++++++++++
 src/wizard-toolbar.vala   |   38 +++++++++++++++++++++++++++++++
 2 files changed, 93 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/wizard-toolbar.ui b/data/ui/wizard-toolbar.ui
index 811c884..2db3470 100644
--- a/data/ui/wizard-toolbar.ui
+++ b/data/ui/wizard-toolbar.ui
@@ -131,6 +131,61 @@
       </packing>
     </child>
 
+    <!-- File chooser page -->
+    <child>
+      <object class="GtkHeaderBar" id="file_chooser">
+        <property name="visible">True</property>
+        <property name="show-close-button">False</property>
+        <property name="title" translatable="yes">Select a device or ISO file</property>
+        <style>
+          <class name="titlebar"/>
+        </style>
+
+        <child>
+          <object class="GtkButton" id="file_chooser_cancel_button">
+            <property name="visible">True</property>
+            <property name="valign">center</property>
+            <property name="use-underline">True</property>
+            <property name="label" translatable="yes">_Cancel</property>
+            <signal name="clicked" handler="on_file_chooser_cancel_clicked"/>
+            <style>
+              <class name="text-button"/>
+            </style>
+
+          </object>
+
+          <packing>
+            <property name="pack-type">start</property>
+          </packing>
+        </child>
+
+        <child>
+          <object class="GtkButton" id="file_chooser_open_button">
+            <property name="visible">True</property>
+            <property name="sensitive">False</property>
+            <property name="valign">center</property>
+            <property name="use-underline">True</property>
+            <property name="label" translatable="yes">_Open</property>
+            <signal name="clicked" handler="on_file_chooser_open_clicked"/>
+            <style>
+              <class name="text-button"/>
+            </style>
+
+          </object>
+
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+
+      </object>
+
+      <packing>
+        <property name="name">file_chooser</property>
+      </packing>
+    </child>
+
+
   </template>
 
   <object class="GtkSizeGroup" id="sizegroup">
diff --git a/src/wizard-toolbar.vala b/src/wizard-toolbar.vala
index 10e4dcf..021ba0d 100644
--- a/src/wizard-toolbar.vala
+++ b/src/wizard-toolbar.vala
@@ -25,10 +25,20 @@ private class Boxes.WizardToolbar: Gtk.Stack {
     [GtkChild]
     public Button create_btn;
 
+    [GtkChild]
+    private Button file_chooser_open_button;
+
     private unowned WizardWindow wizard_window;
 
     public void setup_ui (WizardWindow wizard_window) {
         this.wizard_window = wizard_window;
+
+        var file_chooser = wizard_window.file_chooser;
+        file_chooser.selection_changed.connect (() => {
+            var path = file_chooser.get_filename ();
+
+            file_chooser_open_button.sensitive = (path != null);
+        });
     }
 
     public void click_back_button () {
@@ -61,4 +71,32 @@ private class Boxes.WizardToolbar: Gtk.Stack {
     private void on_customization_back_clicked () requires (page == WizardWindowPage.CUSTOMIZATION) {
         wizard_window.page = WizardWindowPage.MAIN;
     }
+
+    [GtkCallback]
+    private void on_file_chooser_cancel_clicked () requires (page == WizardWindowPage.FILE_CHOOSER) {
+        wizard_window.page = WizardWindowPage.MAIN;
+    }
+
+    [GtkCallback]
+    private void on_file_chooser_open_clicked () requires (page == WizardWindowPage.FILE_CHOOSER) {
+        var file_chooser = wizard_window.file_chooser;
+        var file = file_chooser.get_file ();
+        assert (file != null);
+        var file_type = file.query_file_type (FileQueryInfoFlags.NONE, null);
+
+        switch (file_type) {
+        case GLib.FileType.REGULAR:
+        case GLib.FileType.SYMBOLIC_LINK:
+            file_chooser.file_activated ();
+            break;
+
+        case GLib.FileType.DIRECTORY:
+            file_chooser.set_current_folder (file.get_path ());
+            break;
+
+        default:
+            debug ("Unknown file type selected");
+            break;
+        }
+    }
 }