Merge pull request #74 from Adithyan-KV/file-chooser

Implements opening images using file chooser

Author: peteruithoven

src/DropArea.vala

@@ -24,7 +24,7 @@ namespace Resizer {
 
         private Gtk.Image image;
         private Gtk.Image image2;
-        private Gtk.Label drag_label;
+        private Gtk.Box overlay_box;
 
         construct {
             image = new Gtk.Image ();
@@ -41,7 +41,20 @@ namespace Resizer {
             image2.margin_top = 6;
             image2.visible = false;
 
-            drag_label = new Gtk.Label (_("Drop Image(s) Here"));
+            overlay_box = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
+            overlay_box.valign = Gtk.Align.CENTER;
+            overlay_box.halign = Gtk.Align.CENTER;
+
+            var or_label = new Gtk.Label (_("or"));
+            var or_label_style_context = or_label.get_style_context ();
+            or_label_style_context.add_class (Granite.STYLE_CLASS_H2_LABEL);
+            or_label_style_context.add_class (Gtk.STYLE_CLASS_DIM_LABEL);
+
+            var select_button = new Gtk.Button.with_label (_("Select image"));
+            select_button.get_style_context ().add_class (Gtk.STYLE_CLASS_SUGGESTED_ACTION);
+            select_button.clicked.connect (open_files_using_file_chooser);
+
+            var drag_label = new Gtk.Label (_("Drop Image(s) Here"));
             drag_label.justify = Gtk.Justification.CENTER;
 
             var drag_label_style_context = drag_label.get_style_context ();
@@ -53,8 +66,12 @@ namespace Resizer {
             images.halign = Gtk.Align.CENTER;
             images.put (image2, 0, 0);
             images.put (image, 0, 0);
-            this.add(images);
-            this.add_overlay (drag_label);
+
+            overlay_box.pack_start (drag_label);
+            overlay_box.pack_start (or_label);
+            overlay_box.pack_start (select_button);
+            this.add (images);
+            this.add_overlay (overlay_box);
         }
         public void show_preview(File[] files) throws Error {
 
@@ -66,8 +83,8 @@ namespace Resizer {
                 true
             );
 
-            drag_label.no_show_all = true;
-            drag_label.visible = false;
+            overlay_box.no_show_all = true;
+            overlay_box.visible = false;
 
             image.set_from_pixbuf (pixbuf);
             image.height_request = pixbuf.height;
@@ -91,5 +108,26 @@ namespace Resizer {
                 image.margin_top = 6;
             }
         }
+
+        private void open_files_using_file_chooser () {
+            var file_chooser = new Gtk.FileChooserNative (_("Open Image(s)"), 
+                                                          null,
+                                                          Gtk.FileChooserAction.OPEN,
+                                                          _("Open"),
+                                                          _("Cancel"));
+
+            var files = new GenericArray<File> ();
+            file_chooser.select_multiple = true;
+            var response = file_chooser.run ();
+            if (response == Gtk.ResponseType.ACCEPT) {
+                var uris = file_chooser.get_uris ();
+                foreach (var uri in uris) {
+                    stdout.printf ("opening: %s\n", uri);
+                    var file = File.new_for_uri (uri);
+                    files.add (file);
+                    Resizer.get_default ().files = files.data;
+                }
+            }
+        }
     }
 }