Added ItemView demo

Adeel Kazmi
1 parent 145f09f6
Showing 13 changed files with 1169 additions and 0 deletions
build/tizen/examples/Makefile.am
com.samsung.dali-demo.xml
demo/dali-demo.cpp
demo/images/frame-128x128.png
demo/images/icon-delete.png
demo/images/icon-edit.png
demo/images/icon-insert.png
demo/images/icon-item-view-layout-depth.png
demo/images/icon-item-view-layout-grid.png
demo/images/icon-item-view-layout-spiral.png
demo/images/icon-replace.png
demo/images/item-select-check.png
examples/item-view/item-view-example.cpp
@@ -23,6 +23,7 @@ bin_PROGRAMS = \
                cube-transition-effect.example \
                dissolve-effect.example \
                hello-world.example \
+               item-view.example \
                magnifier.example \
                motion-blur.example \
                motion-stretch.example \
@@ -82,6 +83,11 @@ hello_world_example_CXXFLAGS = $(EXAMPLE_CXXFLAGS)
 hello_world_example_DEPENDENCIES = $(EXAMPLE_DEPS)
 hello_world_example_LDADD = $(EXAMPLE_LDADD)
  
+item_view_example_SOURCES = $(examples_src_dir)/item-view/item-view-example.cpp
+item_view_example_CXXFLAGS = $(EXAMPLE_CXXFLAGS)
+item_view_example_DEPENDENCIES = $(EXAMPLE_DEPS)
+item_view_example_LDADD = $(EXAMPLE_LDADD)
+
 magnifier_example_SOURCES = $(examples_src_dir)/magnifier/magnifier-example.cpp
 magnifier_example_CXXFLAGS = $(EXAMPLE_CXXFLAGS)
 magnifier_example_DEPENDENCIES = $(EXAMPLE_DEPS)
@@ -31,6 +31,9 @@
 	<ui-application appid="dissolve-effect.example" exec="/opt/apps/com.samsung.dali-demo/bin/dissolve-effect.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
 		<label>Dissolve effect</label>
 	</ui-application>
+	<ui-application appid="item-view.example" exec="/opt/apps/com.samsung.dali-demo/bin/item-view.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
+		<label>Item View</label>
+	</ui-application>
 	<ui-application appid="magnifier.example" exec="/opt/apps/com.samsung.dali-demo/bin/magnifier.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
 		<label>Magnifier</label>
 	</ui-application>
@@ -28,6 +28,7 @@ int main(int argc, char **argv)
   demo.AddExample(Example("cluster.example", "Cluster control"));
   demo.AddExample(Example("cube-transition-effect.example", "Cube Transition"));
   demo.AddExample(Example("dissolve-effect.example", "Dissolve Transition"));
+  demo.AddExample(Example("item-view.example", "Item View"));
   demo.AddExample(Example("magnifier.example", "Magnifier"));
   demo.AddExample(Example("motion-blur.example", "Motion Blur"));
   demo.AddExample(Example("motion-stretch.example", "Motion Stretch"));
+//
+// Copyright (c) 2014 Samsung Electronics Co., Ltd.
+//
+// Licensed under the Flora License, Version 1.0 (the License);
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://floralicense.org/license/
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an AS IS BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include <sstream>
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+#include <cstdlib> // rand
+#include "../shared/view.h"
+
+#include <dali/dali.h>
+#include <dali-toolkit/dali-toolkit.h>
+
+using namespace std;
+using namespace Dali;
+using namespace Dali::Toolkit;
+
+namespace
+{
+
+enum AllImagesLayouts
+{
+  SPIRAL_LAYOUT,
+  DEPTH_LAYOUT,
+  GRID_LAYOUT,
+
+  NUMBER_OF_LAYOUTS
+};
+
+const char* IMAGE_PATHS[] = {
+    DALI_IMAGE_DIR "gallery-medium-1.jpg",
+    DALI_IMAGE_DIR "gallery-medium-2.jpg",
+    DALI_IMAGE_DIR "gallery-medium-3.jpg",
+    DALI_IMAGE_DIR "gallery-medium-4.jpg",
+    DALI_IMAGE_DIR "gallery-medium-5.jpg",
+    DALI_IMAGE_DIR "gallery-medium-6.jpg",
+    DALI_IMAGE_DIR "gallery-medium-7.jpg",
+    DALI_IMAGE_DIR "gallery-medium-8.jpg",
+    DALI_IMAGE_DIR "gallery-medium-9.jpg",
+    DALI_IMAGE_DIR "gallery-medium-10.jpg",
+    DALI_IMAGE_DIR "gallery-medium-11.jpg",
+    DALI_IMAGE_DIR "gallery-medium-12.jpg",
+    DALI_IMAGE_DIR "gallery-medium-13.jpg",
+    DALI_IMAGE_DIR "gallery-medium-14.jpg",
+    DALI_IMAGE_DIR "gallery-medium-15.jpg",
+    DALI_IMAGE_DIR "gallery-medium-16.jpg",
+    DALI_IMAGE_DIR "gallery-medium-17.jpg",
+    DALI_IMAGE_DIR "gallery-medium-18.jpg",
+    DALI_IMAGE_DIR "gallery-medium-19.jpg",
+    DALI_IMAGE_DIR "gallery-medium-20.jpg",
+    DALI_IMAGE_DIR "gallery-medium-21.jpg",
+    DALI_IMAGE_DIR "gallery-medium-22.jpg",
+    DALI_IMAGE_DIR "gallery-medium-23.jpg",
+    DALI_IMAGE_DIR "gallery-medium-24.jpg",
+    DALI_IMAGE_DIR "gallery-medium-25.jpg",
+    DALI_IMAGE_DIR "gallery-medium-26.jpg",
+    DALI_IMAGE_DIR "gallery-medium-27.jpg",
+    DALI_IMAGE_DIR "gallery-medium-28.jpg",
+    DALI_IMAGE_DIR "gallery-medium-29.jpg",
+    DALI_IMAGE_DIR "gallery-medium-30.jpg",
+    DALI_IMAGE_DIR "gallery-medium-31.jpg",
+    DALI_IMAGE_DIR "gallery-medium-32.jpg",
+    DALI_IMAGE_DIR "gallery-medium-33.jpg",
+    DALI_IMAGE_DIR "gallery-medium-34.jpg",
+    DALI_IMAGE_DIR "gallery-medium-35.jpg",
+    DALI_IMAGE_DIR "gallery-medium-36.jpg",
+    DALI_IMAGE_DIR "gallery-medium-37.jpg",
+    DALI_IMAGE_DIR "gallery-medium-38.jpg",
+    DALI_IMAGE_DIR "gallery-medium-39.jpg",
+    DALI_IMAGE_DIR "gallery-medium-40.jpg",
+    DALI_IMAGE_DIR "gallery-medium-41.jpg",
+    DALI_IMAGE_DIR "gallery-medium-42.jpg",
+    DALI_IMAGE_DIR "gallery-medium-43.jpg",
+    DALI_IMAGE_DIR "gallery-medium-44.jpg",
+    DALI_IMAGE_DIR "gallery-medium-45.jpg",
+    DALI_IMAGE_DIR "gallery-medium-46.jpg",
+    DALI_IMAGE_DIR "gallery-medium-47.jpg",
+    DALI_IMAGE_DIR "gallery-medium-48.jpg",
+    DALI_IMAGE_DIR "gallery-medium-49.jpg",
+    DALI_IMAGE_DIR "gallery-medium-50.jpg",
+    DALI_IMAGE_DIR "gallery-medium-51.jpg",
+    DALI_IMAGE_DIR "gallery-medium-52.jpg",
+    DALI_IMAGE_DIR "gallery-medium-53.jpg",
+};
+
+const unsigned int NUM_IMAGES = sizeof(IMAGE_PATHS) / sizeof(char*);
+
+AlphaFunction ALPHA_FUNCTIONS[] = { AlphaFunctions::Linear,
+                                    AlphaFunctions::EaseIn,
+                                    AlphaFunctions::EaseOut };
+
+const unsigned int NUM_ALPHA_FUNCTIONS = sizeof(ALPHA_FUNCTIONS) / sizeof(AlphaFunction);
+
+const char* ALPHA_FUNCTIONS_TEXT[] = { "Linear",
+                                       "EaseIn",
+                                       "EaseOut" };
+
+const char* BACKGROUND_IMAGE( "" );
+const char* TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" );
+const char* EDIT_IMAGE( DALI_IMAGE_DIR "icon-edit.png" );
+const char* SPIRAL_LAYOUT_IMAGE( DALI_IMAGE_DIR "icon-item-view-layout-spiral.png" );
+const char* GRID_LAYOUT_IMAGE( DALI_IMAGE_DIR "icon-item-view-layout-grid.png" );
+const char* DEPTH_LAYOUT_IMAGE( DALI_IMAGE_DIR "icon-item-view-layout-depth.png" );
+const char* DELETE_IMAGE( DALI_IMAGE_DIR "icon-delete.png" );
+const char* REPLACE_IMAGE( DALI_IMAGE_DIR "icon-replace.png" );
+const char* INSERT_IMAGE( DALI_IMAGE_DIR "icon-insert.png" );
+const char* SELECTED_IMAGE( DALI_IMAGE_DIR "item-select-check.png" );
+const char* APPLICATION_TITLE( "ItemView" );
+
+const char* SPIRAL_LABEL("Spiral");
+const char* GRID_LABEL("Grid");
+const char* DEPTH_LABEL("Depth");
+
+const char* ITEM_BORDER_IMAGE_PATH( DALI_IMAGE_DIR "frame-128x128.png" );
+const Vector3 ITEM_BORDER_MARGIN_SIZE(24, 24, 0);
+
+// These values depend on the border image
+const float ITEM_IMAGE_BORDER_LEFT   = 13.0f;
+const float ITEM_IMAGE_BORDER_RIGHT  = 13.0f;
+const float ITEM_IMAGE_BORDER_TOP    = 13.0f;
+const float ITEM_IMAGE_BORDER_BOTTOM = 13.0f;
+
+const unsigned int DEPTH_LAYOUT_ROWS_PORTRAIT = 26;
+const unsigned int DEPTH_LAYOUT_ROWS_LANDSCAPE = 16;
+const float DEPTH_LAYOUT_TILT_ANGLE_PORTRAIT = 25.0f;
+const float DEPTH_LAYOUT_TILT_ANGLE_LANDSCAPE = 21.0f;
+const float DEPTH_LAYOUT_ROW_SPACING_FACTOR = 0.1f;
+const float DEPTH_LAYOUT_ITEM_SIZE_FACTOR_PORTRAIT = 1.0f;
+const float DEPTH_LAYOUT_ITEM_SIZE_FACTOR_LANDSCAPE = 0.8f;
+const float DEPTH_LAYOUT_BOTTOM_MARGIN_FACTOR_PORTRAIT = 0.2f;
+const float DEPTH_LAYOUT_BOTTOM_MARGIN_FACTOR_LANDSCAPE = 0.1f;
+
+const float SPIRAL_LAYOUT_REVOLUTION_NUMBER_PORTRAIT = 4.5f;
+const float SPIRAL_LAYOUT_REVOLUTION_NUMBER_LANDSCAPE = 2.5f;
+
+const float DEPTH_LAYOUT_HEIGHT_SCALE = 20.0f;
+const float MIN_SWIPE_DISTANCE = 15.0f;
+const float MIN_SWIPE_SPEED = 5.0f;
+
+const float SELECTION_BORDER_WIDTH = 3.0f;
+const float BUTTON_BORDER = -10.0f;
+const float MENU_OPTION_HEIGHT(140.0f);
+const float LABEL_TEXT_SIZE_Y = 20.0f;
+
+const char*             DEFAULT_TEXT_STYLE_FONT_FAMILY("HelveticaNue");
+const char*             DEFAULT_TEXT_STYLE_FONT_STYLE("Regular");
+const PointSize         DEFAULT_TEXT_STYLE_POINT_SIZE( 5.0f );
+const TextStyle::Weight DEFAULT_TEXT_STYLE_WEIGHT(Dali::TextStyle::MEDIUM);
+const Vector4           DEFAULT_TEXT_STYLE_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
+
+const Vector3 INITIAL_OFFSCREEN_POSITION( 1000.0f, 0, -1000.0f );
+
+struct BorderSizeConstraintFunction
+{
+  Vector3 operator()(const Vector3&       current,
+                     const PropertyInput& parentSize)
+  {
+    return parentSize.GetVector3() + ITEM_BORDER_MARGIN_SIZE;
+  }
+};
+
+static Vector3 DepthLayoutItemSizeFunctionPortrait(unsigned int numberOfColumns, float layoutWidth)
+{
+  float width = (layoutWidth / static_cast<float>(numberOfColumns + 1)) * DEPTH_LAYOUT_ITEM_SIZE_FACTOR_PORTRAIT;
+
+  // 1x1 aspect ratio
+  return Vector3(width, width, width);
+}
+
+static Vector3 DepthLayoutItemSizeFunctionLandscape(unsigned int numberOfColumns, float layoutWidth)
+{
+  float width = (layoutWidth / static_cast<float>(numberOfColumns + 1)) * DEPTH_LAYOUT_ITEM_SIZE_FACTOR_LANDSCAPE;
+
+  // 1x1 aspect ratio
+  return Vector3(width, width, width);
+}
+
+static float DepthLayoutBottomMarginFunctionPortrait(float layoutHeight)
+{
+  return layoutHeight * DEPTH_LAYOUT_BOTTOM_MARGIN_FACTOR_PORTRAIT;
+}
+
+static float DepthLayoutBottomMarginFunctionLandscape(float layoutHeight)
+{
+  return layoutHeight * DEPTH_LAYOUT_BOTTOM_MARGIN_FACTOR_LANDSCAPE;
+}
+
+}
+
+/**
+ * This example shows how to use ItemView UI control.
+ * There are three layouts created for ItemView, i.e., Spiral, Depth and Grid.
+ * There is one button in the upper-left corner for quitting the application and
+ * another button in the upper-right corner for switching between different layouts.
+ */
+class ItemViewExample : public ConnectionTracker, public ItemFactory
+{
+public:
+
+  enum Mode
+  {
+    MODE_NORMAL,
+    MODE_REMOVE,
+    MODE_REMOVE_MANY,
+    MODE_INSERT,
+    MODE_INSERT_MANY,
+    MODE_REPLACE,
+    MODE_REPLACE_MANY,
+    MODE_LAST
+  };
+
+  /**
+   * Constructor
+   * @param application class, stored as reference
+   */
+  ItemViewExample( Application& application )
+  : mApplication( application ),
+    mMode( MODE_NORMAL ),
+    mMenuShown( false ),
+    mOrientation( 0 ),
+    mCurrentLayout( SPIRAL_LAYOUT ),
+    mDurationSeconds( 1.0f ),
+    mAlphaFuncIndex( 0u )
+  {
+    // Connect to the Application's Init signal
+    mApplication.InitSignal().Connect(this, &ItemViewExample::OnInit);
+  }
+
+  /**
+   * This method gets called once the main loop of application is up and running
+   */
+  void OnInit(Application& app)
+  {
+    Stage::GetCurrent().KeyEventSignal().Connect(this, &ItemViewExample::OnKeyEvent);
+
+    Stage stage = Dali::Stage::GetCurrent();
+    Vector2 stageSize = Stage::GetCurrent().GetSize();
+
+    // Create a border image shared by all the item actors
+    mBorderImage = Image::New(ITEM_BORDER_IMAGE_PATH);
+
+    // Creates a default view with a default tool bar.
+    // The view is added to the stage.
+    Layer contents = DemoHelper::CreateView( mApplication,
+                                             mView,
+                                             mToolBar,
+                                             BACKGROUND_IMAGE,
+                                             TOOLBAR_IMAGE,
+                                             "" );
+
+    mView.OrientationAnimationStartedSignal().Connect( this, &ItemViewExample::OnOrientationChanged );
+
+    // Set the title to the current layout
+    SetLayoutTitle();
+
+    // Create an edit mode button. (left of toolbar)
+    Toolkit::PushButton editButton = Toolkit::PushButton::New();
+    editButton.SetBackgroundImage( Image::New( EDIT_IMAGE ) );
+    editButton.ClickedSignal().Connect( this, &ItemViewExample::OnModeButtonClicked);
+    editButton.SetLeaveRequired( true );
+    mToolBar.AddControl( editButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalLeft, DemoHelper::DEFAULT_MODE_SWITCH_PADDING  );
+
+    // Create a layout toggle button. (right of toolbar)
+    mLayoutButton = Toolkit::PushButton::New();
+    mLayoutButton.SetBackgroundImage( Image::New( SPIRAL_LAYOUT_IMAGE ) );
+    mLayoutButton.ClickedSignal().Connect( this, &ItemViewExample::OnLayoutButtonClicked);
+    mLayoutButton.SetLeaveRequired( true );
+    mToolBar.AddControl( mLayoutButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING  );
+    SetLayoutImage();
+
+    // Create a delete button (bottom right of screen)
+    mDeleteButton = Toolkit::PushButton::New();
+    mDeleteButton.SetParentOrigin(ParentOrigin::BOTTOM_RIGHT);
+    mDeleteButton.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
+    mDeleteButton.SetPosition( BUTTON_BORDER, BUTTON_BORDER );
+    mDeleteButton.SetDrawMode( DrawMode::OVERLAY );
+    mDeleteButton.SetBackgroundImage( Image::New( TOOLBAR_IMAGE ) );
+    mDeleteButton.SetButtonImage( Image::New( DELETE_IMAGE ) );
+    mDeleteButton.SetSize( stageSize.width * 0.15f, stageSize.width * 0.15f );
+    mDeleteButton.ClickedSignal().Connect( this, &ItemViewExample::OnDeleteButtonClicked);
+    mDeleteButton.SetLeaveRequired( true );
+    mDeleteButton.SetVisible( false );
+    stage.Add( mDeleteButton );
+
+    // Create an insert button (bottom right of screen)
+    mInsertButton = Toolkit::PushButton::New();
+    mInsertButton.SetParentOrigin(ParentOrigin::BOTTOM_RIGHT);
+    mInsertButton.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
+    mInsertButton.SetPosition( BUTTON_BORDER, BUTTON_BORDER );
+    mInsertButton.SetDrawMode( DrawMode::OVERLAY );
+    mInsertButton.SetBackgroundImage( Image::New( TOOLBAR_IMAGE ) );
+    mInsertButton.SetButtonImage( Image::New( INSERT_IMAGE ) );
+    mInsertButton.SetSize( stageSize.width * 0.15f, stageSize.width * 0.15f );
+    mInsertButton.ClickedSignal().Connect( this, &ItemViewExample::OnInsertButtonClicked);
+    mInsertButton.SetLeaveRequired( true );
+    mInsertButton.SetVisible( false );
+    stage.Add( mInsertButton );
+
+    // Create an replace button (bottom right of screen)
+    mReplaceButton = Toolkit::PushButton::New();
+    mReplaceButton.SetParentOrigin(ParentOrigin::BOTTOM_RIGHT);
+    mReplaceButton.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
+    mReplaceButton.SetPosition( BUTTON_BORDER, BUTTON_BORDER );
+    mReplaceButton.SetDrawMode( DrawMode::OVERLAY );
+    mReplaceButton.SetBackgroundImage( Image::New( TOOLBAR_IMAGE ) );
+    mReplaceButton.SetButtonImage( Image::New( REPLACE_IMAGE ) );
+    mReplaceButton.SetSize( stageSize.width * 0.15f, stageSize.width * 0.15f );
+    mReplaceButton.ClickedSignal().Connect( this, &ItemViewExample::OnReplaceButtonClicked);
+    mReplaceButton.SetLeaveRequired( true );
+    mReplaceButton.SetVisible( false );
+    stage.Add( mReplaceButton );
+
+    // Create the item view actor
+    mItemView = ItemView::New(*this);
+    mItemView.SetParentOrigin(ParentOrigin::CENTER);
+    mItemView.SetAnchorPoint(AnchorPoint::CENTER);
+
+    // Display item view on the stage
+    stage.Add( mItemView );
+
+    // Create the layouts
+    mSpiralLayout = SpiralLayout::New();
+    mDepthLayout = DepthLayout::New();
+    mGridLayout = GridLayout::New();
+
+    // Add the layouts to item view
+    mItemView.AddLayout(*mSpiralLayout);
+    mItemView.AddLayout(*mDepthLayout);
+    mItemView.AddLayout(*mGridLayout);
+
+    mItemView.SetMinimumSwipeDistance(MIN_SWIPE_DISTANCE);
+    mItemView.SetMinimumSwipeSpeed(MIN_SWIPE_SPEED);
+
+    // Activate the spiral layout
+    Vector3 size(stage.GetSize());
+    mItemView.ActivateLayout(mCurrentLayout, size, 0.0f/*immediate*/);
+    mItemView.SetKeyboardFocusable( true );
+    KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &ItemViewExample::OnKeyboardPreFocusChange );
+  }
+
+  Actor OnKeyboardPreFocusChange( Actor current, Actor proposed, Control::KeyboardFocusNavigationDirection direction )
+  {
+    if ( !current && !proposed  )
+    {
+      return mItemView;
+    }
+
+    return proposed;
+  }
+
+  /**
+   * Switch to a different item view layout
+   */
+  void UseLayout(int layoutId)
+  {
+    // Set the new orientation to the layout
+    mItemView.GetLayout(layoutId)->SetOrientation(static_cast<ControlOrientation::Type>(mOrientation / 90));
+
+    Vector2 stageSize = Stage::GetCurrent().GetSize();
+
+    if(layoutId == SPIRAL_LAYOUT)
+    {
+      // Set up the spiral layout according to the new orientation
+      if(Toolkit::IsVertical(mSpiralLayout->GetOrientation()))
+      {
+        mSpiralLayout->SetRevolutionDistance(stageSize.y / SPIRAL_LAYOUT_REVOLUTION_NUMBER_PORTRAIT);
+      }
+      else
+      {
+        mSpiralLayout->SetRevolutionDistance(stageSize.x / SPIRAL_LAYOUT_REVOLUTION_NUMBER_LANDSCAPE);
+      }
+    }
+
+    if(layoutId == GRID_LAYOUT)
+    {
+      // Set up the grid layout according to the new orientation
+      float layoutWidth = Toolkit::IsHorizontal(mGridLayout->GetOrientation()) ? stageSize.height : stageSize.width;
+      float gridItemSize = (layoutWidth / mGridLayout->GetNumberOfColumns()) * 0.5f;
+      mGridLayout->SetScrollSpeedFactor(mGridLayout->GetNumberOfColumns() / gridItemSize);
+
+      float toolbarHeight = mToolBar.GetCurrentSize().y;
+      mGridLayout->SetTopMargin(toolbarHeight + mGridLayout->GetRowSpacing());
+    }
+
+    if(layoutId == DEPTH_LAYOUT)
+    {
+      // Set up the depth layout according to the new orientation
+      if(Toolkit::IsVertical(mDepthLayout->GetOrientation()))
+      {
+        mDepthLayout->SetRowSpacing(stageSize.height * DEPTH_LAYOUT_ROW_SPACING_FACTOR);
+        mDepthLayout->SetNumberOfRows(DEPTH_LAYOUT_ROWS_PORTRAIT);
+        mDepthLayout->SetTiltAngle( Degree( DEPTH_LAYOUT_TILT_ANGLE_PORTRAIT - mDepthLayout->GetNumberOfColumns() ) );
+        mDepthLayout->SetItemSizeFunction(DepthLayoutItemSizeFunctionPortrait);
+        mDepthLayout->SetBottomMarginFunction(DepthLayoutBottomMarginFunctionPortrait);
+      }
+      else
+      {
+        mDepthLayout->SetRowSpacing(stageSize.width * DEPTH_LAYOUT_ROW_SPACING_FACTOR);
+        mDepthLayout->SetNumberOfRows(DEPTH_LAYOUT_ROWS_LANDSCAPE);
+        mDepthLayout->SetTiltAngle( Degree( DEPTH_LAYOUT_TILT_ANGLE_LANDSCAPE - mDepthLayout->GetNumberOfColumns() ) );
+        mDepthLayout->SetItemSizeFunction(DepthLayoutItemSizeFunctionLandscape);
+        mDepthLayout->SetBottomMarginFunction(DepthLayoutBottomMarginFunctionLandscape);
+      }
+    }
+
+    // Enable anchoring for depth layout only
+    mItemView.SetAnchoring(layoutId == DEPTH_LAYOUT);
+
+    // Activate the layout
+    mItemView.ActivateLayout(layoutId, Vector3(stageSize.x, stageSize.y, stageSize.x), mDurationSeconds);
+  }
+
+  /**
+   * Orientation changed signal callback
+   * @param orientation
+   */
+  void OnOrientationChanged( View view, Animation& animation, const Orientation& orientation )
+  {
+    const unsigned int angle = orientation.GetDegrees();
+
+    // If orientation really changed
+    if( mOrientation != angle )
+    {
+      // Remember orientation
+      mOrientation = angle;
+
+      UseLayout(mCurrentLayout);
+    }
+  }
+
+  bool OnLayoutButtonClicked( Toolkit::Button button )
+  {
+    // Switch to the next layout
+    mCurrentLayout = (mCurrentLayout + 1) % mItemView.GetLayoutCount();
+
+    UseLayout(mCurrentLayout);
+
+    SetLayoutTitle();
+    SetLayoutImage();
+
+    return true;
+  }
+
+  bool OnModeButtonClicked( Toolkit::Button button )
+  {
+    SwitchToNextMode();
+
+    return true;
+  }
+
+  void SwitchToNextMode()
+  {
+    switch( mMode )
+    {
+      case MODE_REMOVE:
+      {
+        ExitRemoveMode();
+        mMode = MODE_REMOVE_MANY;
+        EnterRemoveManyMode();
+        break;
+      }
+
+      case MODE_REMOVE_MANY:
+      {
+        ExitRemoveManyMode();
+        mMode = MODE_INSERT;
+        EnterInsertMode();
+        break;
+      }
+
+      case MODE_INSERT:
+      {
+        ExitInsertMode();
+        mMode = MODE_INSERT_MANY;
+        EnterInsertManyMode();
+        break;
+      }
+
+      case MODE_INSERT_MANY:
+      {
+        ExitInsertManyMode();
+        mMode = MODE_REPLACE;
+        EnterReplaceMode();
+        break;
+      }
+
+      case MODE_REPLACE:
+      {
+        ExitReplaceMode();
+        mMode = MODE_REPLACE_MANY;
+        EnterReplaceManyMode();
+        break;
+      }
+
+      case MODE_REPLACE_MANY:
+      {
+        ExitReplaceManyMode();
+        mMode = MODE_NORMAL;
+        SetLayoutTitle();
+        break;
+      }
+
+      case MODE_NORMAL:
+      default:
+      {
+        mMode = MODE_REMOVE;
+        EnterRemoveMode();
+        break;
+      }
+    }
+  }
+
+  void EnterRemoveMode()
+  {
+    SetTitle("Edit: Remove");
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      mTapDetector.Attach(mItemView.GetChildAt(i));
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::RemoveOnTap );
+  }
+
+  void ExitRemoveMode()
+  {
+    mTapDetector.Reset();
+  }
+
+  void RemoveOnTap( Actor actor, TapGesture tap )
+  {
+    mItemView.RemoveItem( mItemView.GetItemId(actor), 0.5f );
+  }
+
+  void EnterRemoveManyMode()
+  {
+    SetTitle("Edit: Remove Many");
+
+    mDeleteButton.SetVisible( true );
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        mTapDetector.Attach( child );
+        box.SetVisible( true );
+      }
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::SelectOnTap );
+  }
+
+  void ExitRemoveManyMode()
+  {
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        box.SetVisible( false );
+
+        Actor tick = box.FindChildByName( "Tick" );
+        if( tick )
+        {
+          tick.SetVisible( false );
+        }
+      }
+    }
+
+    mTapDetector.Reset();
+
+    mDeleteButton.SetVisible( false );
+  }
+
+  void SelectOnTap( Actor actor, TapGesture tap )
+  {
+    Actor tick = actor.FindChildByName( "Tick" );
+    if( tick )
+    {
+      tick.SetVisible( !tick.IsVisible() );
+    }
+  }
+
+  bool OnDeleteButtonClicked( Toolkit::Button button )
+  {
+    ItemIdContainer removeList;
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor tick = child.FindChildByName( "Tick" );
+
+      if( tick && tick.IsVisible() )
+      {
+        removeList.push_back( mItemView.GetItemId(child) );
+      }
+    }
+
+    if( ! removeList.empty() )
+    {
+      mItemView.RemoveItems( removeList, 0.5f );
+    }
+
+    return true;
+  }
+
+  void EnterInsertMode()
+  {
+    SetTitle("Edit: Insert");
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      mTapDetector.Attach( mItemView.GetChildAt(i) );
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::InsertOnTap );
+  }
+
+  void ExitInsertMode()
+  {
+    mTapDetector.Reset();
+  }
+
+  void InsertOnTap( Actor actor, TapGesture tap )
+  {
+    ItemId id = mItemView.GetItemId( actor );
+
+    Actor newActor = NewItem( rand() );
+
+    mItemView.InsertItem( Item(id,newActor), 0.5f );
+  }
+
+  void EnterInsertManyMode()
+  {
+    SetTitle("Edit: Insert Many");
+
+    mInsertButton.SetVisible( true );
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        mTapDetector.Attach( child );
+        box.SetVisible( true );
+      }
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::SelectOnTap );
+  }
+
+  void ExitInsertManyMode()
+  {
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        box.SetVisible( false );
+
+        Actor tick = box.FindChildByName( "Tick" );
+        if( tick )
+        {
+          tick.SetVisible( false );
+        }
+      }
+    }
+
+    mTapDetector.Reset();
+
+    mInsertButton.SetVisible( false );
+  }
+
+  bool OnInsertButtonClicked( Toolkit::Button button )
+  {
+    ItemContainer insertList;
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor tick = child.FindChildByName( "Tick" );
+
+      if( tick && tick.IsVisible() )
+      {
+        insertList.push_back( Item( mItemView.GetItemId(child), NewItem(rand()) ) );
+      }
+    }
+
+    if( ! insertList.empty() )
+    {
+      mItemView.InsertItems( insertList, 0.5f );
+    }
+
+    return true;
+  }
+
+  void EnterReplaceMode()
+  {
+    SetTitle("Edit: Replace");
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      mTapDetector.Attach(mItemView.GetChildAt(i));
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::ReplaceOnTap );
+  }
+
+  void ReplaceOnTap( Actor actor, TapGesture tap )
+  {
+    mItemView.ReplaceItem( Item( mItemView.GetItemId(actor), NewItem(rand()) ), 0.5f );
+  }
+
+  void ExitReplaceMode()
+  {
+    mTapDetector.Reset();
+  }
+
+  void EnterReplaceManyMode()
+  {
+    SetTitle("Edit: Replace Many");
+
+    mReplaceButton.SetVisible( true );
+
+    mTapDetector = TapGestureDetector::New();
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        mTapDetector.Attach( child );
+        box.SetVisible( true );
+      }
+    }
+
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::SelectOnTap );
+  }
+
+  void ExitReplaceManyMode()
+  {
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor box = child.FindChildByName( "CheckBox" );
+
+      if( box )
+      {
+        box.SetVisible( false );
+
+        Actor tick = box.FindChildByName( "Tick" );
+        if( tick )
+        {
+          tick.SetVisible( false );
+        }
+      }
+    }
+
+    mTapDetector.Reset();
+
+    mReplaceButton.SetVisible( false );
+  }
+
+  bool OnReplaceButtonClicked( Toolkit::Button button )
+  {
+    ItemContainer replaceList;
+
+    for( unsigned int i = 0u; i < mItemView.GetChildCount(); ++i )
+    {
+      Actor child = mItemView.GetChildAt( i );
+      Actor tick = child.FindChildByName( "Tick" );
+
+      if( tick && tick.IsVisible() )
+      {
+        replaceList.push_back( Item( mItemView.GetItemId(child), NewItem(rand()) ) );
+      }
+    }
+
+    if( ! replaceList.empty() )
+    {
+      mItemView.ReplaceItems( replaceList, 0.5f );
+    }
+
+    return true;
+  }
+
+  void SetLayoutTitle()
+  {
+    if( MODE_NORMAL == mMode )
+    {
+      std::stringstream ss(APPLICATION_TITLE);
+      switch(mCurrentLayout)
+      {
+      case SPIRAL_LAYOUT:
+        ss << APPLICATION_TITLE << ": " << SPIRAL_LABEL;
+        break;
+      case GRID_LAYOUT:
+        ss << APPLICATION_TITLE << ": " << GRID_LABEL;
+        break;
+      case DEPTH_LAYOUT:
+        ss << APPLICATION_TITLE << ": " << DEPTH_LABEL;
+        break;
+      default:
+        break;
+      }
+      SetTitle(ss.str());
+    }
+  }
+
+  void SetLayoutImage()
+  {
+    if( mLayoutButton )
+    {
+      switch( mCurrentLayout )
+      {
+        case SPIRAL_LAYOUT:
+        {
+          mLayoutButton.SetBackgroundImage( Image::New( SPIRAL_LAYOUT_IMAGE ) );
+          break;
+        }
+
+        case GRID_LAYOUT:
+        {
+          mLayoutButton.SetBackgroundImage( Image::New( GRID_LAYOUT_IMAGE ) );
+          break;
+        }
+
+        case DEPTH_LAYOUT:
+        {
+          mLayoutButton.SetBackgroundImage( Image::New( DEPTH_LAYOUT_IMAGE ) );
+          break;
+        }
+
+        default:
+          break;
+      }
+    }
+  }
+
+public: // From ItemFactory
+
+  /**
+   * Query the number of items available from the factory.
+   * The maximum available item has an ID of GetNumberOfItems() - 1.
+   */
+  virtual unsigned int GetNumberOfItems()
+  {
+    return NUM_IMAGES * 10;
+  }
+
+  /**
+   * Create an Actor to represent a visible item.
+   * @param itemId
+   * @return the created actor.
+   */
+  virtual Actor NewItem(unsigned int itemId)
+  {
+    // Create an image actor for this item
+    Image image = Image::New( IMAGE_PATHS[itemId % NUM_IMAGES] );
+    Actor actor = ImageActor::New(image);
+    actor.SetPosition( INITIAL_OFFSCREEN_POSITION );
+
+    // Add a border image child actor
+    ImageActor borderActor = ImageActor::New(mBorderImage);
+    borderActor.SetParentOrigin( ParentOrigin::CENTER );
+    borderActor.SetAnchorPoint( AnchorPoint::CENTER );
+    borderActor.SetPosition( 0.f, 0.f, 1.f );
+    borderActor.SetStyle( ImageActor::STYLE_NINE_PATCH );
+    borderActor.SetNinePatchBorder( Vector4( ITEM_IMAGE_BORDER_LEFT, ITEM_IMAGE_BORDER_TOP, ITEM_IMAGE_BORDER_RIGHT, ITEM_IMAGE_BORDER_BOTTOM ) );
+    borderActor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR ); // darken with parent image-actor
+
+    Constraint constraint = Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), BorderSizeConstraintFunction() );
+    borderActor.ApplyConstraint(constraint);
+    actor.Add(borderActor);
+    actor.SetKeyboardFocusable( true );
+
+    Vector3 spiralItemSize;
+    static_cast<ItemLayout&>(*mSpiralLayout).GetItemSize( 0u, Vector3( Stage::GetCurrent().GetSize() ), spiralItemSize );
+
+    // Add a checkbox child actor; invisible until edit-mode is enabled
+
+    ImageActor checkbox = ImageActor::New( BitmapImage::WHITE() );
+    checkbox.SetName( "CheckBox" );
+    checkbox.SetColor( Vector4(0.0f,0.0f,0.0f,0.6f) );
+    checkbox.SetParentOrigin( ParentOrigin::TOP_RIGHT );
+    checkbox.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
+    checkbox.SetSize( spiralItemSize.width * 0.2f, spiralItemSize.width * 0.2f );
+    checkbox.SetPosition( -SELECTION_BORDER_WIDTH, SELECTION_BORDER_WIDTH );
+    checkbox.SetZ( 1.0f );
+    if( MODE_REMOVE_MANY  != mMode &&
+        MODE_INSERT_MANY  != mMode &&
+        MODE_REPLACE_MANY != mMode )
+    {
+      checkbox.SetVisible( false );
+    }
+    actor.Add( checkbox );
+
+    ImageActor tick = ImageActor::New( Image::New(SELECTED_IMAGE) );
+    tick.SetColorMode( USE_OWN_COLOR );
+    tick.SetName( "Tick" );
+    tick.SetParentOrigin( ParentOrigin::TOP_RIGHT );
+    tick.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
+    tick.SetSize( spiralItemSize.width * 0.2f, spiralItemSize.width * 0.2f );
+    tick.SetZ( 1.0f );
+    tick.SetVisible( false );
+    checkbox.Add( tick );
+
+    // Connect new items for various editing modes
+    if( mTapDetector )
+    {
+      mTapDetector.Attach( actor );
+    }
+
+    return actor;
+  }
+
+private:
+
+  /**
+   * Sets/Updates the title of the View
+   * @param[in] title The new title for the view.
+   */
+  void SetTitle(const std::string& title)
+  {
+    if(!mTitleActor)
+    {
+      mTitleActor = TextView::New();
+      // Add title to the tool bar.
+      mToolBar.AddControl( mTitleActor, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarTitlePercentage, Alignment::HorizontalCenter );
+    }
+
+    Font font = Font::New();
+    mTitleActor.SetText( title );
+    mTitleActor.SetSize( font.MeasureText( title ) );
+    mTitleActor.SetStyleToCurrentText(DemoHelper::GetDefaultTextStyle());
+  }
+
+  void ShowMenu()
+  {
+    Stage stage = Stage::GetCurrent();
+    const float popupWidth = stage.GetSize().x * 0.75f;
+
+    mMenu = Toolkit::Popup::New();
+    mMenu.SetParentOrigin( ParentOrigin::BOTTOM_LEFT );
+    mMenu.SetAnchorPoint( AnchorPoint::BOTTOM_LEFT );
+    mMenu.OutsideTouchedSignal().Connect( this, &ItemViewExample::HideMenu );
+    stage.Add( mMenu );
+
+    TableView tableView = TableView::New( 0, 0 );
+    Vector2 tableSize = Vector2( popupWidth, MENU_OPTION_HEIGHT * 2 );
+    tableView.SetSize( tableSize );
+    mMenu.Add( tableView );
+
+    Slider slider = Slider::New();
+    slider.SetProperty( Slider::LOWER_BOUND_PROPERTY, 0.0f );
+    slider.SetProperty( Slider::UPPER_BOUND_PROPERTY, 3.0f );
+    slider.SetProperty( Slider::VALUE_PROPERTY, mDurationSeconds );
+    slider.SetProperty( Slider::VALUE_PRECISION_PROPERTY, 2 );
+    slider.SetProperty( Slider::SHOW_POPUP_PROPERTY, true );
+    slider.ValueChangedSignal().Connect( this, &ItemViewExample::SliderValueChange );
+    tableView.AddChild( slider, TableView::CellPosition( 0, 0 ) );
+    tableView.SetRelativeHeight( 0, 0.5f );
+
+    TextStyle defaultTextStyle;
+    defaultTextStyle.SetFontName(DEFAULT_TEXT_STYLE_FONT_FAMILY);
+    defaultTextStyle.SetFontStyle(DEFAULT_TEXT_STYLE_FONT_STYLE);
+    defaultTextStyle.SetFontPointSize(DEFAULT_TEXT_STYLE_POINT_SIZE);
+    defaultTextStyle.SetWeight(DEFAULT_TEXT_STYLE_WEIGHT);
+    defaultTextStyle.SetTextColor(DEFAULT_TEXT_STYLE_COLOR);
+
+    TextView text = TextView::New( "Duration" );
+    text.SetAnchorPoint( ParentOrigin::TOP_LEFT );
+    text.SetParentOrigin( ParentOrigin::TOP_LEFT );
+    text.SetTextAlignment( Dali::Toolkit::Alignment::HorizontalLeft );
+    text.SetStyleToCurrentText( defaultTextStyle );
+    text.SetSize( 0.0f, LABEL_TEXT_SIZE_Y );
+    text.ApplyConstraint( Dali::Constraint::New<float>( Dali::Actor::SIZE_WIDTH, Dali::ParentSource( Dali::Actor::SIZE_WIDTH ), Dali::EqualToConstraint() ) );
+    text.SetZ( -0.9f );
+    slider.Add( text );
+
+    Actor textContainer = Actor::New();
+    mAlphaFunctionText = TextView::New( ALPHA_FUNCTIONS_TEXT[mAlphaFuncIndex] );
+    mAlphaFunctionText.SetAnchorPoint( ParentOrigin::CENTER );
+    mAlphaFunctionText.SetParentOrigin( ParentOrigin::CENTER );
+    mAlphaFunctionText.SetTextAlignment( Toolkit::Alignment::VerticalCenter );
+    textContainer.Add( mAlphaFunctionText );
+    tableView.AddChild( textContainer, TableView::CellPosition( 1, 0 ) );
+    tableView.SetRelativeHeight( 0, 0.5f );
+
+    mTapDetector = TapGestureDetector::New();
+    mTapDetector.Attach(mAlphaFunctionText);
+    mTapDetector.DetectedSignal().Connect( this, &ItemViewExample::ChangeAlphaFunctionOnTap );
+
+    text = TextView::New( "Alpha Function" );
+    text.SetAnchorPoint( ParentOrigin::TOP_LEFT );
+    text.SetParentOrigin( ParentOrigin::TOP_LEFT );
+    text.SetTextAlignment( Dali::Toolkit::Alignment::HorizontalLeft );
+    text.SetStyleToCurrentText( defaultTextStyle );
+    text.SetSize( 0.0f, LABEL_TEXT_SIZE_Y );
+    text.ApplyConstraint( Dali::Constraint::New<float>( Dali::Actor::SIZE_WIDTH, Dali::ParentSource( Dali::Actor::SIZE_WIDTH ), Dali::EqualToConstraint() ) );
+    textContainer.Add( text );
+
+    mMenu.Show();
+    mMenuShown = true;
+  }
+
+  bool SliderValueChange( Toolkit::Slider slider, float value )
+  {
+    mDurationSeconds = value;
+
+    return true;
+  }
+
+  void ChangeAlphaFunctionOnTap( Actor actor, TapGesture tap )
+  {
+    if( NUM_ALPHA_FUNCTIONS <= ++mAlphaFuncIndex )
+    {
+      mAlphaFuncIndex = 0;
+    }
+
+    if( mAlphaFunctionText )
+    {
+      mAlphaFunctionText.SetText( ALPHA_FUNCTIONS_TEXT[mAlphaFuncIndex] );
+    }
+
+    if( mItemView )
+    {
+      mItemView.SetDefaultAlphaFunction( ALPHA_FUNCTIONS[mAlphaFuncIndex] );
+    }
+  }
+
+  void HideMenu()
+  {
+    mTapDetector.Reset();
+
+    if( mMenu )
+    {
+      mMenu.Hide();
+      mMenu.Reset();
+    }
+
+    mMenuShown = false;
+  }
+
+  /**
+   * Main key event handler
+   */
+  void OnKeyEvent(const KeyEvent& event)
+  {
+    if(event.state == KeyEvent::Down)
+    {
+      if( IsKey( event, DALI_KEY_MENU ) )
+      {
+        if( mMenuShown )
+        {
+          HideMenu();
+        }
+        else
+        {
+          ShowMenu();
+        }
+      }
+      else if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
+      {
+        if( mMenuShown )
+        {
+          HideMenu();
+        }
+        else
+        {
+          mApplication.Quit();
+        }
+      }
+    }
+  }
+
+private:
+
+  Application& mApplication;
+  Mode mMode;
+  bool mMenuShown;
+
+  Toolkit::View mView;
+  unsigned int mOrientation;
+
+  Toolkit::ToolBar mToolBar;
+  TextView mTitleActor;             ///< The Toolbar's Title.
+
+  ItemView mItemView;
+  Image mBorderImage;
+  unsigned int mCurrentLayout;
+  float mDurationSeconds;
+
+  SpiralLayoutPtr mSpiralLayout;
+  DepthLayoutPtr mDepthLayout;
+  GridLayoutPtr mGridLayout;
+
+  Toolkit::Popup mMenu;
+
+  TapGestureDetector mTapDetector;
+  Toolkit::PushButton mLayoutButton;
+  Toolkit::PushButton mDeleteButton;
+  Toolkit::PushButton mInsertButton;
+  Toolkit::PushButton mReplaceButton;
+
+  unsigned int mAlphaFuncIndex;
+  TextView mAlphaFunctionText;
+};
+
+void RunTest(Application& app)
+{
+  ItemViewExample test(app);
+
+  app.MainLoop();
+}
+
+int main(int argc, char **argv)
+{
+  Application app = Application::New(&argc, &argv);
+
+  RunTest(app);
+
+  return 0;
+}