View examples:

I'm planning to move these to unit_test using Jay's testing framework,
but let's check in it first, and then I will refactor and move them to unittest.


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@26780 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 61 insertions, 0 deletions

diff --git a/views/examples/combobox_example.h b/views/examples/combobox_example.h
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+++ b/views/examples/combobox_example.h
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+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
+#define VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
+
+#include "app/combobox_model.h"
+#include "base/string_util.h"
+#include "views/controls/combobox/combobox.h"
+#include "views/examples/example_base.h"
+
+namespace examples {
+
+// ComboboxExample
+class ComboboxExample : protected ExampleBase,
+                        private views::Combobox::Listener {
+ public:
+  ComboboxExample(views::TabbedPane* tabbed_pane, views::Label* message)
+      : ExampleBase(message) {
+    views::Combobox* cb = new views::Combobox(new ComboboxModelExample());
+    cb->set_listener(this);
+    tabbed_pane->AddTab(L"Combo Box", cb);
+  }
+  virtual ~ComboboxExample() {}
+
+ private:
+  // An sample combobox model that generates list of "Item <index>".
+  class ComboboxModelExample : public ComboboxModel {
+   public:
+    ComboboxModelExample() {}
+    virtual ~ComboboxModelExample() {}
+
+    virtual int GetItemCount() {
+      return 10;
+    }
+
+    virtual std::wstring GetItemAt(int index) {
+      return StringPrintf(L"Item %d", index);
+    }
+
+   private:
+    DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
+  };
+
+  // Lister implementation.
+  virtual void ItemChanged(views::Combobox* combo_box,
+                           int prev_index,
+                           int new_index) {
+    PrintStatus(L"Selected: index=%d, label=%ls",
+                new_index, combo_box->model()->GetItemAt(new_index).c_str());
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
+};
+
+}  // namespace examples
+
+#endif  // VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
+
+