examples/styling/styling-application.cpp

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * @file style-example.cpp
  19  * @brief Example of styling Toolkit controls.
  20  */
  21
  22 // Class include
  23 #include "styling-application.h"
  24
  25 // External includes
  26 #include <dali-toolkit/dali-toolkit.h>
  27 //#include <dali-toolkit/devel-api/controls/slider/slider.h>
  28 #include <dali-toolkit/devel-api/controls/popup/popup.h>
  29 #include "image-channel-control.h"
  30 #include <cstdio>
  31 #include <sstream>
  32
  33 // Internal includes
  34
  35 using namespace Dali;
  36 using namespace Dali::Toolkit;
  37
  38 namespace Demo
  39 {
  40
  41 const char* StylingApplication::DEMO_THEME_ONE_PATH( DEMO_STYLE_DIR "style-example-theme-one.json" );
  42 const char* StylingApplication::DEMO_THEME_TWO_PATH( DEMO_STYLE_DIR "style-example-theme-two.json" );
  43 const char* StylingApplication::DEMO_THEME_THREE_PATH( DEMO_STYLE_DIR "style-example-theme-three.json" );
  44
  45 namespace
  46 {
  47 #define DP(x) x
  48
  49 const char* DEFAULT_CONTROL_AREA_IMAGE_PATH( DEMO_IMAGE_DIR "popup_button_background.9.png" );
  50
  51 const char* POPUP_CONTROL_OK_NAME( "PopupControlOk" );
  52 const char* POPUP_CONTROL_CANCEL_NAME( "PopupControlCancel" );
  53 const char* BORDER_IMAGE( DEMO_IMAGE_DIR "border-4px.9.png" );
  54 const char* RESIZE_HANDLE_IMAGE( DEMO_IMAGE_DIR "resize-handle.png" );
  55
  56 const int NUMBER_OF_THEMES(3); // The default theme is considered.
  57
  58 const Vector4 BACKGROUND_COLOUR( 1.0f, 1.0f, 1.0f, 0.15f );
  59 const int BORDER_WIDTH( 4 );
  60
  61 const char* const SMALL_IMAGE_1 = DEMO_IMAGE_DIR "gallery-small-14.jpg";
  62 const char* const BIG_IMAGE_1   = DEMO_IMAGE_DIR "gallery-large-4.jpg";
  63
  64 const char* const SMALL_IMAGE_2 = DEMO_IMAGE_DIR "gallery-small-39.jpg";
  65 const char* const BIG_IMAGE_2   = DEMO_IMAGE_DIR "gallery-large-7.jpg";
  66
  67 const char* const SMALL_IMAGE_3 = DEMO_IMAGE_DIR "gallery-small-20.jpg";
  68 const char* const BIG_IMAGE_3   = DEMO_IMAGE_DIR "gallery-large-11.jpg";
  69
  70 // Layout
  71 const int MARGIN_SIZE = 10;
  72
  73 const int RADIO_LABEL_THUMBNAIL_SIZE = 60;
  74 const int RADIO_LABEL_THUMBNAIL_SIZE_SMALL = 40;
  75 const int RADIO_IMAGE_SPACING = 8;
  76 const int BUTTON_HEIGHT = 48;
  77
  78 Property::Index GetChannelProperty( int index )
  79 {
  80   Property::Index channelIndex = Property::INVALID_INDEX;
  81   switch(index)
  82   {
  83     case 0: { channelIndex = ImageChannelControl::Property::RED_CHANNEL; break; }
  84     case 1: { channelIndex = ImageChannelControl::Property::GREEN_CHANNEL; break; }
  85     case 2: { channelIndex = ImageChannelControl::Property::BLUE_CHANNEL; break; }
  86   }
  87   return channelIndex;
  88 }
  89
  90 } // anonymous namespace
  91
  92
  93
  94 StylingApplication::StylingApplication( Application& application )
  95 : mApplication( application )
  96 {
  97   application.InitSignal().Connect( this, &StylingApplication::Create );
  98 }
  99
 100 StylingApplication::~StylingApplication()
 101 {
 102 }
 103
 104 void StylingApplication::Create( Application& application )
 105 {
 106   Stage stage = Stage::GetCurrent();
 107   stage.KeyEventSignal().Connect(this, &StylingApplication::OnKeyEvent);
 108   stage.SetBackgroundColor( Vector4( 0.1f, 0.1f, 0.1f, 1.0f ) );
 109
 110   // Hide the indicator bar
 111   application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 112
 113   mContentPane = CreateContentPane();
 114   stage.Add( mContentPane );
 115   mContentPane.SetSize( stage.GetSize() );
 116
 117   // Content panes:
 118   TableView contentLayout = TableView::New( 5, 1 );
 119   contentLayout.SetName("ContentLayout");
 120   contentLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 121   contentLayout.SetAnchorPoint( AnchorPoint::TOP_LEFT );
 122   contentLayout.SetParentOrigin( ParentOrigin::TOP_LEFT );
 123   contentLayout.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
 124
 125   // Assign all rows the size negotiation property of fitting to children
 126   for( unsigned int i = 0; i < contentLayout.GetRows(); ++i )
 127   {
 128     if( i != 1 )
 129     {
 130       contentLayout.SetFitHeight(i); // Row 1 should fill
 131     }
 132   }
 133
 134   mContentPane.Add( contentLayout );
 135
 136   mTitle = TextLabel::New( "Styling Example" );
 137   mTitle.SetName( "Title" );
 138   mTitle.SetStyleName("Title");
 139   mTitle.SetAnchorPoint( AnchorPoint::TOP_CENTER );
 140   mTitle.SetParentOrigin( ParentOrigin::TOP_CENTER );
 141   mTitle.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 142   mTitle.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
 143   mTitle.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
 144   contentLayout.Add( mTitle );
 145
 146   // Buttons:
 147
 148   TableView imageSelectLayout = TableView::New( 1, 2 );
 149   imageSelectLayout.SetName("ImageSelectLayout");
 150
 151   imageSelectLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 152   imageSelectLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
 153   imageSelectLayout.SetAnchorPoint( AnchorPoint::CENTER );
 154   imageSelectLayout.SetParentOrigin( ParentOrigin::CENTER );
 155   imageSelectLayout.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
 156
 157   // Fit radio button column to child width, leave image to fill remainder
 158   imageSelectLayout.SetFitWidth( 0 );
 159
 160   contentLayout.Add( imageSelectLayout );
 161
 162   TableView radioButtonsLayout = TableView::New( 3, 2 );
 163   radioButtonsLayout.SetName("RadioButtonsLayout");
 164   radioButtonsLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
 165   // Leave each row to fill to parent height
 166   // Set each column to fit to child width
 167   radioButtonsLayout.SetFitWidth(0);
 168   radioButtonsLayout.SetFitWidth(1);
 169   radioButtonsLayout.SetCellPadding( Vector2( 6.0f, 0.0f ) );
 170
 171   imageSelectLayout.AddChild( radioButtonsLayout, TableView::CellPosition(0, 0) );
 172   imageSelectLayout.SetCellAlignment( TableView::CellPosition( 0, 0 ), HorizontalAlignment::LEFT, VerticalAlignment::CENTER );
 173
 174   const char* images[] = { SMALL_IMAGE_1, SMALL_IMAGE_2, SMALL_IMAGE_3 };
 175
 176   for( int i=0; i<3; ++i )
 177   {
 178     std::ostringstream thumbnailName; thumbnailName << "thumbnail" << i+1;
 179     ImageView image = ImageView::New( ResourceImage::New( images[i] ) );
 180     image.SetName( thumbnailName.str() );
 181     image.SetSize( DP(RADIO_LABEL_THUMBNAIL_SIZE), DP(RADIO_LABEL_THUMBNAIL_SIZE) );
 182
 183     std::ostringstream label; label << (i+1);
 184     std::ostringstream radioButtonStyleName;
 185     radioButtonStyleName << "imageSelectButton" << i+1;
 186     mRadioButtons[i] = RadioButton::New( label.str() );
 187     mRadioButtons[i].SetName( radioButtonStyleName.str() );
 188     mRadioButtons[i].SetParentOrigin( ParentOrigin::TOP_LEFT );
 189     mRadioButtons[i].SetAnchorPoint( AnchorPoint::TOP_LEFT );
 190     mRadioButtons[i].SetSelected( false );
 191     mRadioButtons[i].StateChangedSignal().Connect( this, &StylingApplication::OnButtonStateChange );
 192
 193     radioButtonsLayout.AddChild( mRadioButtons[i], TableView::CellPosition( i, 0 ) );
 194     radioButtonsLayout.AddChild( image, TableView::CellPosition( i, 1 ) );
 195     radioButtonsLayout.SetCellAlignment( TableView::CellPosition( i, 0 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 196     radioButtonsLayout.SetCellAlignment( TableView::CellPosition( i, 1 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 197   }
 198
 199   mRadioButtons[0].SetSelected( true );
 200
 201   mImageChannelControl = ImageChannelControl::New( BIG_IMAGE_1 );
 202   mImageChannelControl.SetName("ImageChannelControl");
 203   mImageChannelControl.SetResizePolicy( ResizePolicy::FILL_TO_PARENT , Dimension::ALL_DIMENSIONS );
 204   mImageChannelControl.SetSizeScalePolicy( SizeScalePolicy::FIT_WITH_ASPECT_RATIO );
 205   imageSelectLayout.AddChild( mImageChannelControl, TableView::CellPosition( 0, 1 ) );
 206
 207   imageSelectLayout.SetCellAlignment( TableView::CellPosition( 0, 1 ), HorizontalAlignment::RIGHT, VerticalAlignment::CENTER );
 208
 209
 210   TableView channelSliderLayout = TableView::New( 3, 3 );
 211   channelSliderLayout.SetName("ChannelSliderLayout");
 212
 213   // Contains a column of check buttons and a column of sliders for R/G/B
 214   channelSliderLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 215   channelSliderLayout.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
 216   channelSliderLayout.SetAnchorPoint( AnchorPoint::CENTER );
 217   channelSliderLayout.SetParentOrigin( ParentOrigin::CENTER );
 218   channelSliderLayout.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
 219
 220   // Set each row to fit to child height
 221   channelSliderLayout.SetFitHeight( 0 );
 222   channelSliderLayout.SetFitHeight( 1 );
 223   channelSliderLayout.SetFitHeight( 2 );
 224
 225   // Set each column to fit to child width
 226   channelSliderLayout.SetFitWidth( 0 );
 227   channelSliderLayout.SetFitWidth( 1 );
 228
 229   contentLayout.Add( channelSliderLayout );
 230   const char *checkboxLabels[3] = {"R", "G", "B"};
 231
 232   for( int i=0; i<3; ++i )
 233   {
 234     std::ostringstream checkBoxStyleName;
 235     checkBoxStyleName << "channelActiveCheckBox" << i+1;
 236     mCheckButtons[i] = CheckBoxButton::New();
 237     mCheckButtons[i].SetName( checkBoxStyleName.str() );
 238     mCheckButtons[i].SetParentOrigin( ParentOrigin::CENTER );
 239     mCheckButtons[i].SetAnchorPoint( AnchorPoint::CENTER );
 240     mCheckButtons[i].SetSelected( true );
 241
 242     mCheckButtons[i].StateChangedSignal().Connect( this, &StylingApplication::OnCheckButtonChange );
 243     mCheckButtons[i].RegisterProperty( "channel", i, Property::READ_WRITE );
 244
 245     channelSliderLayout.AddChild( mCheckButtons[i], TableView::CellPosition( i, 0 ) );
 246     channelSliderLayout.SetCellAlignment( TableView::CellPosition( i, 0 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 247
 248     TextLabel label = TextLabel::New( checkboxLabels[i] );
 249     std::ostringstream labelStyleName; labelStyleName << "ColorLabel" << i+1;
 250     label.SetName( labelStyleName.str() );
 251     label.SetStyleName( labelStyleName.str() );
 252     label.SetParentOrigin( ParentOrigin::CENTER );
 253     label.SetAnchorPoint ( AnchorPoint::CENTER );
 254     label.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::WIDTH );
 255     label.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
 256
 257     channelSliderLayout.AddChild( label, TableView::CellPosition( i, 1 ) );
 258     channelSliderLayout.SetCellAlignment( TableView::CellPosition( i, 1 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 259
 260     mChannelSliders[i] = Slider::New();
 261     std::ostringstream sliderStyleName; sliderStyleName << "ColorSlider" << i+1;
 262     mChannelSliders[i].SetName( sliderStyleName.str() );
 263     mChannelSliders[i].SetStyleName( sliderStyleName.str() );
 264     mChannelSliders[i].SetParentOrigin( ParentOrigin::CENTER );
 265     mChannelSliders[i].SetAnchorPoint ( AnchorPoint::CENTER );
 266     mChannelSliders[i].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 267     mChannelSliders[i].SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN , Dimension::HEIGHT );
 268     mChannelSliders[i].SetProperty( Slider::Property::LOWER_BOUND, 0.0f );
 269     mChannelSliders[i].SetProperty( Slider::Property::UPPER_BOUND, 100.0f );
 270     mChannelSliders[i].SetProperty( Slider::Property::VALUE_PRECISION, 0 );
 271     mChannelSliders[i].SetProperty( Slider::Property::VALUE, 100.0f );
 272     mChannelSliders[i].SetProperty( Slider::Property::SHOW_POPUP, true );
 273     mChannelSliders[i].SetProperty( Slider::Property::SHOW_VALUE, true );
 274
 275     mChannelSliders[i].RegisterProperty( "channel", i, Property::READ_WRITE );
 276
 277     channelSliderLayout.AddChild( mChannelSliders[i], TableView::CellPosition( i, 2 ) );
 278     channelSliderLayout.SetCellAlignment( TableView::CellPosition( i, 2 ), HorizontalAlignment::RIGHT, VerticalAlignment::CENTER );
 279
 280     mChannelSliders[i].ValueChangedSignal().Connect( this, &StylingApplication::OnSliderChanged );
 281   }
 282
 283   mResetButton = PushButton::New();
 284   mResetButton.SetLabelText( "Reset" );
 285   mResetButton.SetName("ResetButton");
 286   mResetButton.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 287   mResetButton.ClickedSignal().Connect( this, &StylingApplication::OnResetClicked );
 288
 289   contentLayout.Add( mResetButton );
 290   contentLayout.SetCellAlignment( TableView::CellPosition( 3, 0 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 291
 292   TableView themeButtonLayout = TableView::New( 1, 4 );
 293   themeButtonLayout.SetName("ThemeButtonsLayout");
 294   themeButtonLayout.SetCellPadding( Vector2( 6.0f, 0.0f ) );
 295
 296   themeButtonLayout.SetAnchorPoint( AnchorPoint::CENTER );
 297   themeButtonLayout.SetParentOrigin( ParentOrigin::CENTER );
 298   themeButtonLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 299   themeButtonLayout.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT );
 300   themeButtonLayout.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
 301   themeButtonLayout.SetFitHeight( 0 );
 302
 303   TextLabel label = TextLabel::New( "Theme: ");
 304   label.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 305   label.SetStyleName("ThemeLabel");
 306   label.SetAnchorPoint( AnchorPoint::TOP_CENTER );
 307   label.SetParentOrigin( ParentOrigin::TOP_CENTER );
 308   themeButtonLayout.AddChild( label, TableView::CellPosition( 0, 0 ) );
 309   themeButtonLayout.SetCellAlignment( TableView::CellPosition( 0, 0 ), HorizontalAlignment::LEFT, VerticalAlignment::CENTER );
 310
 311   for( int i=0; i<3; ++i )
 312   {
 313     mThemeButtons[i] = PushButton::New();
 314     mThemeButtons[i].SetName("ThemeButton");
 315     mThemeButtons[i].SetStyleName("ThemeButton");
 316     mThemeButtons[i].SetParentOrigin( ParentOrigin::CENTER );
 317     mThemeButtons[i].SetAnchorPoint( ParentOrigin::CENTER );
 318     mThemeButtons[i].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 319     mThemeButtons[i].SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
 320     mThemeButtons[i].RegisterProperty( "theme", i, Property::READ_WRITE );
 321     mThemeButtons[i].ClickedSignal().Connect( this, &StylingApplication::OnThemeButtonClicked );
 322     themeButtonLayout.AddChild( mThemeButtons[i], TableView::CellPosition( 0, 1+i ) );
 323   }
 324   mThemeButtons[0].SetLabelText( "Lite" ); // Lightweight changes on top of Dali
 325   mThemeButtons[1].SetLabelText( "App1" ); // Different application style
 326   mThemeButtons[2].SetLabelText( "App2" );
 327
 328   contentLayout.Add( themeButtonLayout );
 329 }
 330
 331 Actor StylingApplication::CreateContentPane()
 332 {
 333   Toolkit::ImageView contentPane = Toolkit::ImageView::New( BORDER_IMAGE );
 334   contentPane.SetName("ContentPane");
 335   contentPane.SetParentOrigin( ParentOrigin::CENTER );
 336   contentPane.SetAnchorPoint( AnchorPoint::CENTER );
 337   contentPane.SetPadding( Padding( BORDER_WIDTH, BORDER_WIDTH, BORDER_WIDTH, BORDER_WIDTH ) );
 338   return contentPane;
 339 }
 340
 341 Actor StylingApplication::CreateResizableContentPane()
 342 {
 343   Toolkit::ImageView contentPane = Toolkit::ImageView::New( BORDER_IMAGE );
 344   contentPane.SetName("ContentPane");
 345   contentPane.SetParentOrigin( ParentOrigin::CENTER );
 346   contentPane.SetAnchorPoint( AnchorPoint::CENTER );
 347   contentPane.SetPadding( Padding( BORDER_WIDTH, BORDER_WIDTH, BORDER_WIDTH, BORDER_WIDTH ) );
 348
 349   Toolkit::ImageView grabHandle = Toolkit::ImageView::New( RESIZE_HANDLE_IMAGE );
 350   grabHandle.SetName("GrabHandle");
 351   grabHandle.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
 352   grabHandle.SetParentOrigin( ParentOrigin::BOTTOM_RIGHT );
 353   grabHandle.SetAnchorPoint( AnchorPoint::BOTTOM_RIGHT );
 354   grabHandle.SetPosition( -BORDER_WIDTH, -BORDER_WIDTH );
 355   grabHandle.SetOpacity( 0.6f );
 356
 357   Layer grabCornerLayer = Layer::New();
 358   grabCornerLayer.SetName("GrabCornerLayer");
 359   grabCornerLayer.SetParentOrigin( ParentOrigin::BOTTOM_RIGHT );
 360   grabCornerLayer.SetAnchorPoint( AnchorPoint::BOTTOM_RIGHT );
 361   grabCornerLayer.Add( grabHandle );
 362   contentPane.Add( grabCornerLayer );
 363
 364   mPanGestureDetector = PanGestureDetector::New();
 365   mPanGestureDetector.Attach( grabHandle );
 366   mPanGestureDetector.DetectedSignal().Connect( this, &StylingApplication::OnPan );
 367
 368   return contentPane;
 369 }
 370
 371 Popup StylingApplication::CreateResetPopup()
 372 {
 373   Stage stage = Stage::GetCurrent();
 374
 375   Popup popup= Popup::New();
 376   popup.SetName("ResetPopup");
 377   popup.SetStyleName("ResetPopup");
 378   popup.SetParentOrigin( ParentOrigin::CENTER );
 379   popup.SetAnchorPoint( AnchorPoint::CENTER );
 380   popup.SetSize( stage.GetSize().width * 0.75f, 0.0f );
 381   popup.SetProperty( Popup::Property::TAIL_VISIBILITY, false );
 382   popup.OutsideTouchedSignal().Connect( this, &StylingApplication::HidePopup );
 383   popup.HiddenSignal().Connect( this, &StylingApplication::PopupHidden );
 384
 385   popup.SetTitle( CreateTitle( "Reset channels" ) );
 386
 387   TextLabel text = TextLabel::New( "This will reset the channel data to full value. Are you sure?" );
 388   text.SetName( "PopupContentText" );
 389   text.SetStyleName( "PopupBody" );
 390   text.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 391   text.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
 392   text.SetProperty( TextLabel::Property::MULTI_LINE, true );
 393   text.SetPadding( Padding( 10.0f, 10.0f, 20.0f, 0.0f ) );
 394   popup.SetContent( text );
 395
 396   ImageView footer = ImageView::New( DEFAULT_CONTROL_AREA_IMAGE_PATH );
 397   footer.SetName( "PopupFooter" );
 398   footer.SetStyleName( "PopupFooter" );
 399   footer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 400   footer.SetResizePolicy( ResizePolicy::FIXED, Dimension::HEIGHT );
 401   footer.SetSize( 0.0f, 80.0f );
 402   footer.SetAnchorPoint( AnchorPoint::CENTER );
 403   footer.SetParentOrigin( ParentOrigin::CENTER );
 404
 405   TableView footerLayout = TableView::New( 1, 2 );
 406   footerLayout.SetParentOrigin( ParentOrigin::CENTER );
 407   footerLayout.SetAnchorPoint ( AnchorPoint::CENTER );
 408   footerLayout.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 409
 410   PushButton okayButton = PushButton::New();
 411   okayButton.SetName( POPUP_CONTROL_OK_NAME );
 412   okayButton.SetStyleName( POPUP_CONTROL_OK_NAME );
 413   okayButton.SetLabelText( "Ok!" );
 414   okayButton.ClickedSignal().Connect( this, &StylingApplication::OnReset );
 415   okayButton.SetParentOrigin( ParentOrigin::CENTER );
 416   okayButton.SetAnchorPoint( AnchorPoint::CENTER );
 417   okayButton.SetResizePolicy( ResizePolicy::SIZE_FIXED_OFFSET_FROM_PARENT, Dimension::ALL_DIMENSIONS );
 418   okayButton.SetSizeModeFactor( Vector3( -20.0f, -20.0f, 0.0f ) );
 419
 420   PushButton cancelButton = PushButton::New();
 421   cancelButton.SetName( POPUP_CONTROL_CANCEL_NAME );
 422   cancelButton.SetStyleName( POPUP_CONTROL_CANCEL_NAME );
 423   cancelButton.SetLabelText( "Cancel" );
 424   cancelButton.ClickedSignal().Connect( this, &StylingApplication::OnResetCancelled );
 425   cancelButton.SetParentOrigin( ParentOrigin::CENTER );
 426   cancelButton.SetAnchorPoint( AnchorPoint::CENTER );
 427   cancelButton.SetResizePolicy( ResizePolicy::SIZE_FIXED_OFFSET_FROM_PARENT, Dimension::ALL_DIMENSIONS );
 428   cancelButton.SetSizeModeFactor( Vector3( -20.0f, -20.0f, 0.0f ) );
 429
 430   footerLayout.SetCellAlignment( TableView::CellPosition( 0, 0 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 431   footerLayout.SetCellAlignment( TableView::CellPosition( 0, 1 ), HorizontalAlignment::CENTER, VerticalAlignment::CENTER );
 432   footerLayout.AddChild( okayButton, TableView::CellPosition( 0, 0 ) );
 433   footerLayout.AddChild( cancelButton, TableView::CellPosition( 0, 1 ) );
 434   footerLayout.SetCellPadding( Size( 10.f, 10.f ) );
 435   footer.Add( footerLayout );
 436
 437   popup.SetFooter( footer );
 438   return popup;
 439 }
 440
 441 TextLabel StylingApplication::CreateTitle( std::string title )
 442 {
 443   TextLabel titleActor = TextLabel::New( title );
 444   titleActor.SetName( "titleActor" );
 445   titleActor.SetStyleName( "PopupTitle" );
 446   titleActor.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
 447   titleActor.SetProperty( TextLabel::Property::MULTI_LINE, false );
 448
 449   return titleActor;
 450 }
 451
 452 bool StylingApplication::OnButtonStateChange( Button button )
 453 {
 454   // Todo: save / restore slider states per image
 455
 456   if( mImageChannelControl )
 457   {
 458     if( mRadioButtons[0].IsSelected() )
 459     {
 460       mImageChannelControl.SetImage( BIG_IMAGE_1 );
 461     }
 462     else if( mRadioButtons[1].IsSelected() )
 463     {
 464       mImageChannelControl.SetImage( BIG_IMAGE_2 );
 465     }
 466     else if( mRadioButtons[2].IsSelected() )
 467     {
 468       mImageChannelControl.SetImage( BIG_IMAGE_3 );
 469     }
 470   }
 471   return true;
 472 }
 473
 474 bool StylingApplication::OnCheckButtonChange( Button button )
 475 {
 476   Property::Index index = button.GetPropertyIndex("channel");
 477   if( index != Property::INVALID_INDEX )
 478   {
 479     int channel = button.GetProperty<int>( index );
 480     float value = mChannelSliders[channel].GetProperty<float>( Slider::Property::VALUE );
 481     if( !button.IsSelected() )
 482     {
 483       // "Turn off" the channel's contribution
 484       value = 0.0f;
 485     }
 486     Property::Index channelIndex = GetChannelProperty( channel );
 487     mImageChannelControl.SetProperty(channelIndex, value/100.0f);
 488   }
 489   return true;
 490 }
 491
 492 bool StylingApplication::OnThemeButtonClicked( Button button )
 493 {
 494   int theme = button.GetProperty<int>(button.GetPropertyIndex("theme"));
 495   const char* themePath=NULL;
 496
 497   switch( theme )
 498   {
 499     case 0:
 500     {
 501       themePath = DEMO_THEME_ONE_PATH;
 502       break;
 503     }
 504     case 1:
 505     {
 506       themePath = DEMO_THEME_TWO_PATH;
 507       break;
 508     }
 509     case 2:
 510     {
 511       themePath = DEMO_THEME_THREE_PATH;
 512       break;
 513     }
 514   }
 515   StyleManager::Get().ApplyTheme( themePath );
 516
 517   return true;
 518 }
 519
 520 bool StylingApplication::OnResetClicked( Button button )
 521 {
 522   if( ! mResetPopup )
 523   {
 524     mResetPopup = CreateResetPopup ();
 525   }
 526
 527   Stage::GetCurrent().Add( mResetPopup );
 528
 529   mResetPopup.SetDisplayState( Popup::SHOWN );
 530   return true;
 531 }
 532
 533 bool StylingApplication::OnReset( Button button )
 534 {
 535   // todo: Reset the sliders for this image
 536   for( int i=0; i<3; ++i )
 537   {
 538     mChannelSliders[i].SetProperty( Slider::Property::VALUE, 100.0f );
 539   }
 540   HidePopup();
 541   return true;
 542 }
 543
 544 bool StylingApplication::OnResetCancelled( Button button )
 545 {
 546   HidePopup();
 547   return true;
 548 }
 549
 550 bool StylingApplication::OnSliderChanged( Slider slider, float value )
 551 {
 552   // todo - change color channel's saturation
 553   Property::Index index = slider.GetPropertyIndex("channel");
 554   if( index != Property::INVALID_INDEX )
 555   {
 556     int channel = slider.GetProperty<int>( index );
 557     if( mCheckButtons[channel].IsSelected() )
 558     {
 559       Property::Index channelIndex = GetChannelProperty( channel );
 560       mImageChannelControl.SetProperty(channelIndex, value/100.0f);
 561     }
 562   }
 563   return true;
 564 }
 565
 566 void StylingApplication::HidePopup()
 567 {
 568   if( mResetPopup )
 569   {
 570     mResetPopup.SetDisplayState( Popup::HIDDEN );
 571   }
 572 }
 573
 574 void StylingApplication::PopupHidden()
 575 {
 576   if( mResetPopup )
 577   {
 578     // Clear down resources
 579     mResetPopup.Unparent();
 580     mResetPopup.Reset();
 581   }
 582 }
 583
 584 void StylingApplication::OnPan( Actor actor, const PanGesture& gesture )
 585 {
 586   Vector3 size = mContentPane.GetTargetSize();
 587   mContentPane.SetSize( size.GetVectorXY() + gesture.displacement * 2.0f );
 588 }
 589
 590 void StylingApplication::OnKeyEvent( const KeyEvent& keyEvent )
 591 {
 592   static int keyPressed = 0;
 593
 594   if( keyEvent.state == KeyEvent::Down)
 595   {
 596     if( keyPressed == 0 ) // Is this the first down event?
 597     {
 598       printf("Key pressed: %s %d\n", keyEvent.keyPressedName.c_str(), keyEvent.keyCode );
 599
 600       if( IsKey( keyEvent, DALI_KEY_ESCAPE) || IsKey( keyEvent, DALI_KEY_BACK ) )
 601       {
 602         mApplication.Quit();
 603       }
 604       else if( keyEvent.keyPressedName.compare("Return") == 0 )
 605       {
 606         mCurrentTheme++;
 607         mCurrentTheme %= NUMBER_OF_THEMES;
 608
 609         StyleManager styleManager = StyleManager::Get();
 610         switch( mCurrentTheme )
 611         {
 612           case 0:
 613           {
 614             styleManager.ApplyTheme( DEMO_THEME_ONE_PATH );
 615             printf("Changing to theme One\n");
 616             break;
 617           }
 618           case 1:
 619           {
 620             styleManager.ApplyTheme( DEMO_THEME_TWO_PATH );
 621             printf("Changing to theme Two\n");
 622             break;
 623           }
 624           case 2:
 625           {
 626             styleManager.ApplyDefaultTheme();
 627             printf("Changing to Toolkit theme\n");
 628             break;
 629           }
 630         }
 631       }
 632     }
 633     keyPressed = 1;
 634   }
 635   else if( keyEvent.state == KeyEvent::Up )
 636   {
 637     keyPressed = 0;
 638   }
 639 }
 640
 641 } // namespace Demo