dali-toolkit/internal/controls/text-controls/text-editor-impl.cpp

   1 /*
   2  * Copyright (c) 2022 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 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32 #include <limits>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  39 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  40 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  41 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  42 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  43 #include <dali-toolkit/internal/text/text-effects-style.h>
  44 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  45 #include <dali-toolkit/internal/text/text-font-style.h>
  46 #include <dali-toolkit/internal/text/text-view.h>
  47 #include <dali-toolkit/public-api/text/text-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 const char* const SCROLL_BAR_POSITION("sourcePosition");
  72 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  73 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  74 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  75
  76 // Type registration
  77 BaseHandle Create()
  78 {
  79   return Toolkit::TextEditor::New();
  80 }
  81
  82 // clang-format off
  83 // Setup properties, signals and actions using the type-registry.
  84 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  85
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 131 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 147 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 160 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "characterSpacing",                     FLOAT,     CHARACTER_SPACING                   )
 161
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 169 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 170
 171 DALI_TYPE_REGISTRATION_END()
 172 // clang-format on
 173
 174 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 175 {
 176   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 177
 178   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 179   {
 180     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 181   }
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 183   {
 184     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 187   {
 188     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 191   {
 192     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 195   {
 196     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 199   {
 200     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 203   {
 204     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 205   }
 206   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 207   {
 208     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 209   }
 210   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 211   {
 212     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 213   }
 214   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 215   {
 216     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 217   }
 218   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 219   {
 220     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 221   }
 222   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 223   {
 224     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 225   }
 226
 227   return editorInputStyleMask;
 228 }
 229
 230 } // namespace
 231
 232 Toolkit::TextEditor TextEditor::New()
 233 {
 234   // Create the implementation, temporarily owned by this handle on stack
 235   IntrusivePtr<TextEditor> impl = new TextEditor();
 236
 237   // Pass ownership to CustomActor handle
 238   Toolkit::TextEditor handle(*impl);
 239
 240   // Second-phase init of the implementation
 241   // This can only be done after the CustomActor connection has been made...
 242   impl->Initialize();
 243
 244   return handle;
 245 }
 246
 247 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 248 {
 249   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 250
 251   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 252
 253   if(textEditor)
 254   {
 255     PropertyHandler::SetProperty(textEditor, index, value);
 256   }
 257 }
 258
 259 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 260 {
 261   Property::Value value;
 262
 263   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 264
 265   if(textEditor)
 266   {
 267     value = PropertyHandler::GetProperty(textEditor, index);
 268   }
 269   return value;
 270 }
 271
 272 void TextEditor::SelectWholeText()
 273 {
 274   if(mController && mController->IsShowingRealText())
 275   {
 276     mController->SelectWholeText();
 277     SetKeyInputFocus();
 278   }
 279 }
 280
 281 void TextEditor::SelectNone()
 282 {
 283   if(mController && mController->IsShowingRealText())
 284   {
 285     mController->SelectNone();
 286   }
 287 }
 288
 289 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 290 {
 291   if(mController && mController->IsShowingRealText())
 292   {
 293     mController->SelectText(start, end);
 294     SetKeyInputFocus();
 295   }
 296 }
 297
 298 string TextEditor::CopyText()
 299 {
 300   string copiedText = "";
 301   if(mController && mController->IsShowingRealText())
 302   {
 303     copiedText = mController->CopyText();
 304   }
 305   return copiedText;
 306 }
 307
 308 string TextEditor::CutText()
 309 {
 310   string cutText = "";
 311   if(mController && mController->IsShowingRealText())
 312   {
 313     cutText = mController->CutText();
 314   }
 315   return cutText;
 316 }
 317
 318 void TextEditor::PasteText()
 319 {
 320   if(mController)
 321   {
 322     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 323     mController->PasteText();
 324   }
 325 }
 326
 327 void TextEditor::ScrollBy(Vector2 scroll)
 328 {
 329   if(mController && mController->IsShowingRealText())
 330   {
 331     mController->ScrollBy(scroll);
 332   }
 333 }
 334
 335 float TextEditor::GetHorizontalScrollPosition()
 336 {
 337   if(mController && mController->IsShowingRealText())
 338   {
 339     return mController->GetHorizontalScrollPosition();
 340   }
 341   return 0;
 342 }
 343
 344 float TextEditor::GetVerticalScrollPosition()
 345 {
 346   if(mController && mController->IsShowingRealText())
 347   {
 348     return mController->GetVerticalScrollPosition();
 349   }
 350   return 0;
 351 }
 352
 353 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 354 {
 355   return mController->GetTextSize(startIndex, endIndex);
 356 }
 357
 358 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 359 {
 360   return mController->GetTextPosition(startIndex, endIndex);
 361 }
 362
 363 string TextEditor::GetSelectedText() const
 364 {
 365   string selectedText = "";
 366   if(mController && mController->IsShowingRealText())
 367   {
 368     selectedText = mController->GetSelectedText();
 369   }
 370   return selectedText;
 371 }
 372
 373 InputMethodContext TextEditor::GetInputMethodContext()
 374 {
 375   return mInputMethodContext;
 376 }
 377
 378 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 379 {
 380   return mMaxLengthReachedSignal;
 381 }
 382
 383 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 384 {
 385   return mAnchorClickedSignal;
 386 }
 387
 388 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 389 {
 390   return mCursorPositionChangedSignal;
 391 }
 392
 393 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 394 {
 395   return mInputFilteredSignal;
 396 }
 397
 398 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 399 {
 400   return mSelectionChangedSignal;
 401 }
 402
 403 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 404 {
 405   return mSelectionClearedSignal;
 406 }
 407
 408 Text::ControllerPtr TextEditor::GetTextController()
 409 {
 410   return mController;
 411 }
 412
 413 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 414 {
 415   Dali::BaseHandle handle(object);
 416
 417   bool                connected(true);
 418   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 419
 420   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 421   {
 422     editor.TextChangedSignal().Connect(tracker, functor);
 423   }
 424   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 425   {
 426     editor.InputStyleChangedSignal().Connect(tracker, functor);
 427   }
 428   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 429   {
 430     if(editor)
 431     {
 432       Internal::TextEditor& editorImpl(GetImpl(editor));
 433       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 434     }
 435   }
 436   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 437   {
 438     if(editor)
 439     {
 440       Internal::TextEditor& editorImpl(GetImpl(editor));
 441       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 442     }
 443   }
 444   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 445   {
 446     if(editor)
 447     {
 448       Internal::TextEditor& editorImpl(GetImpl(editor));
 449       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 450     }
 451   }
 452   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 453   {
 454     if(editor)
 455     {
 456       Internal::TextEditor& editorImpl(GetImpl(editor));
 457       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 458     }
 459   }
 460   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 461   {
 462     if(editor)
 463     {
 464       Internal::TextEditor& editorImpl(GetImpl(editor));
 465       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 466     }
 467   }
 468   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 469   {
 470     if(editor)
 471     {
 472       Internal::TextEditor& editorImpl(GetImpl(editor));
 473       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 474     }
 475   }
 476   else
 477   {
 478     // signalName does not match any signal
 479     connected = false;
 480   }
 481
 482   return connected;
 483 }
 484
 485 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 486 {
 487   return mTextChangedSignal;
 488 }
 489
 490 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 491 {
 492   return mInputStyleChangedSignal;
 493 }
 494
 495 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 496 {
 497   return mScrollStateChangedSignal;
 498 }
 499
 500 void TextEditor::OnAccessibilityStatusChanged()
 501 {
 502   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 503 }
 504
 505 void TextEditor::OnInitialize()
 506 {
 507   Actor self = Self();
 508
 509   mController = Text::Controller::New(this, this, this, this);
 510
 511   mDecorator = Text::Decorator::New(*mController,
 512                                     *mController);
 513
 514   mInputMethodContext = InputMethodContext::New(self);
 515
 516   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 517
 518   // Enables the text input.
 519   mController->EnableTextInput(mDecorator, mInputMethodContext);
 520
 521   // Enables the vertical scrolling after the text input has been enabled.
 522   mController->SetVerticalScrollEnabled(true);
 523
 524   // Disables the horizontal scrolling.
 525   mController->SetHorizontalScrollEnabled(false);
 526
 527   // Sets the maximum number of characters.
 528   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 529
 530   // Enable the smooth handle panning.
 531   mController->SetSmoothHandlePanEnabled(true);
 532
 533   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 534   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 535
 536   // Sets layoutDirection value
 537   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 538   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 539   mController->SetLayoutDirection(layoutDirection);
 540
 541   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 542
 543   // Forward input events to controller
 544   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 545   GetTapGestureDetector().SetMaximumTapsRequired(2);
 546   GetTapGestureDetector().ReceiveAllTapEvents(true);
 547
 548   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 549
 550   // Set BoundingBox to stage size if not already set.
 551   Rect<int> boundingBox;
 552   mDecorator->GetBoundingBox(boundingBox);
 553
 554   if(boundingBox.IsEmpty())
 555   {
 556     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 557     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 558   }
 559
 560   // Whether to flip the selection handles as soon as they cross.
 561   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 562
 563   // Set the default scroll speed.
 564   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 565
 566   // Fill-parent area by default
 567   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 568   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 569   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 570
 571   //Enable highightability
 572   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 573
 574   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 575
 576   // Creates an extra control to be used as stencil buffer.
 577   mStencil = Control::New();
 578   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 579   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 580
 581   // Creates a background visual. Even if the color is transparent it updates the stencil.
 582   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 583                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 584
 585   // Enable the clipping property.
 586   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 587   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 588
 589   self.Add(mStencil);
 590
 591   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 592     return std::unique_ptr<Dali::Accessibility::Accessible>(
 593       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 594   });
 595
 596   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 597   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 598 }
 599
 600 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 601 {
 602   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 603
 604   switch(change)
 605   {
 606     case StyleChange::DEFAULT_FONT_CHANGE:
 607     {
 608       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 609       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 610       // Property system did not set the font so should update it.
 611       mController->UpdateAfterFontChange(newFont);
 612       RelayoutRequest();
 613       break;
 614     }
 615
 616     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 617     {
 618       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 619       RelayoutRequest();
 620       break;
 621     }
 622     case StyleChange::THEME_CHANGE:
 623     {
 624       // Nothing to do, let control base class handle this
 625       break;
 626     }
 627   }
 628
 629   // Up call to Control
 630   Control::OnStyleChange(styleManager, change);
 631 }
 632
 633 Vector3 TextEditor::GetNaturalSize()
 634 {
 635   Extents padding;
 636   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 637
 638   Vector3 naturalSize = mController->GetNaturalSize();
 639   naturalSize.width += (padding.start + padding.end);
 640   naturalSize.height += (padding.top + padding.bottom);
 641
 642   return naturalSize;
 643 }
 644
 645 float TextEditor::GetHeightForWidth(float width)
 646 {
 647   Extents padding;
 648   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 649   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 650 }
 651
 652 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 653 {
 654   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 655   {
 656     actor.SetProperty(Actor::Property::SIZE, size);
 657   }
 658 }
 659
 660 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 661 {
 662   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 663
 664   Actor self = Self();
 665
 666   Extents padding;
 667   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 668
 669   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 670
 671   // Support Right-To-Left of padding
 672   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 673
 674   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 675   {
 676     std::swap(padding.start, padding.end);
 677   }
 678
 679   if(mStencil)
 680   {
 681     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 682     ResizeActor(mStencil, contentSize);
 683   }
 684   if(mActiveLayer)
 685   {
 686     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 687     ResizeActor(mActiveLayer, contentSize);
 688   }
 689
 690   // If there is text changed, callback is called.
 691   if(mTextChanged)
 692   {
 693     EmitTextChangedSignal();
 694   }
 695
 696   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 697
 698   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 699      !mRenderer)
 700   {
 701     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 702
 703     if(mDecorator &&
 704        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 705     {
 706       mDecorator->Relayout(contentSize);
 707     }
 708
 709     if(!mRenderer)
 710     {
 711       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 712     }
 713
 714     RenderText(updateTextType);
 715   }
 716
 717   if(mCursorPositionChanged)
 718   {
 719     EmitCursorPositionChangedSignal();
 720   }
 721
 722   if(mSelectionChanged)
 723   {
 724     EmitSelectionChangedSignal();
 725   }
 726
 727   if(mSelectionCleared)
 728   {
 729     EmitSelectionClearedSignal();
 730   }
 731
 732   // The text-editor emits signals when the input style changes. These changes of style are
 733   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 734   // can't be emitted during the size negotiation as the callbacks may update the UI.
 735   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 736   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 737   {
 738     if(Adaptor::IsAvailable())
 739     {
 740       Adaptor& adaptor = Adaptor::Get();
 741
 742       if(NULL == mIdleCallback)
 743       {
 744         // @note: The callback manager takes the ownership of the callback object.
 745         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 746         adaptor.AddIdle(mIdleCallback, false);
 747       }
 748     }
 749   }
 750 }
 751
 752 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 753 {
 754   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 755   if(mRenderableActor)
 756   {
 757     ApplyScrollPosition();
 758   }
 759   UpdateScrollBar();
 760 }
 761
 762 void TextEditor::OnKeyInputFocusGained()
 763 {
 764   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 765   if(mInputMethodContext && IsEditable())
 766   {
 767     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 768     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 769     mInputMethodContext.NotifyTextInputMultiLine(true);
 770
 771     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 772
 773     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 774
 775     // Notify that the text editing start.
 776     mInputMethodContext.Activate();
 777
 778     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 779     mInputMethodContext.SetRestoreAfterFocusLost(true);
 780   }
 781   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 782
 783   if(notifier)
 784   {
 785     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 786   }
 787
 788   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 789
 790   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 791 }
 792
 793 void TextEditor::OnKeyInputFocusLost()
 794 {
 795   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 796   if(mInputMethodContext)
 797   {
 798     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 799
 800     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 801     mInputMethodContext.SetRestoreAfterFocusLost(false);
 802
 803     // Notify that the text editing finish.
 804     mInputMethodContext.Deactivate();
 805
 806     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 807   }
 808   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 809
 810   if(notifier)
 811   {
 812     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 813   }
 814
 815   mController->KeyboardFocusLostEvent();
 816
 817   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 818 }
 819
 820 bool TextEditor::OnAccessibilityActivated()
 821 {
 822   SetKeyInputFocus();
 823   return true;
 824 }
 825
 826 void TextEditor::OnTap(const TapGesture& gesture)
 827 {
 828   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 829   if(mInputMethodContext && IsEditable())
 830   {
 831     mInputMethodContext.Activate();
 832   }
 833   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 834   Extents padding;
 835   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 836   const Vector2& localPoint = gesture.GetLocalPoint();
 837   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 838   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 839
 840   SetKeyInputFocus();
 841 }
 842
 843 void TextEditor::OnPan(const PanGesture& gesture)
 844 {
 845   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 846 }
 847
 848 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 849 {
 850   if(mInputMethodContext && IsEditable())
 851   {
 852     mInputMethodContext.Activate();
 853   }
 854   Extents padding;
 855   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 856   const Vector2& localPoint = gesture.GetLocalPoint();
 857   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 858
 859   SetKeyInputFocus();
 860 }
 861
 862 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 863 {
 864   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 865
 866   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 867   {
 868     // Make sure ClearKeyInputFocus when only key is up
 869     if(event.GetState() == KeyEvent::UP)
 870     {
 871       ClearKeyInputFocus();
 872     }
 873
 874     return true;
 875   }
 876
 877   return mController->KeyEvent(event);
 878 }
 879
 880 void TextEditor::RequestTextRelayout()
 881 {
 882   RelayoutRequest();
 883 }
 884
 885 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 886 {
 887   if(Accessibility::IsUp())
 888   {
 889     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 890   }
 891 }
 892
 893 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 894 {
 895   if(Accessibility::IsUp())
 896   {
 897     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 898   }
 899 }
 900
 901 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 902 {
 903   if(Accessibility::IsUp())
 904   {
 905     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 906   }
 907
 908   if((oldPosition != newPosition) && !mCursorPositionChanged)
 909   {
 910     mCursorPositionChanged = true;
 911     mOldPosition           = oldPosition;
 912   }
 913 }
 914
 915 void TextEditor::TextChanged(bool immediate)
 916 {
 917   if(immediate) // Emits TextChangedSignal immediately
 918   {
 919     EmitTextChangedSignal();
 920   }
 921   else
 922   {
 923     mTextChanged = true;
 924   }
 925 }
 926
 927 void TextEditor::EmitTextChangedSignal()
 928 {
 929   Dali::Toolkit::TextEditor handle(GetOwner());
 930   mTextChangedSignal.Emit(handle);
 931   mTextChanged = false;
 932 }
 933
 934 void TextEditor::MaxLengthReached()
 935 {
 936   Dali::Toolkit::TextEditor handle(GetOwner());
 937   mMaxLengthReachedSignal.Emit(handle);
 938 }
 939
 940 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 941 {
 942   Dali::Toolkit::TextEditor handle(GetOwner());
 943   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 944 }
 945
 946 void TextEditor::AnchorClicked(const std::string& href)
 947 {
 948   Dali::Toolkit::TextEditor handle(GetOwner());
 949   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 950 }
 951
 952 void TextEditor::EmitCursorPositionChangedSignal()
 953 {
 954   Dali::Toolkit::TextEditor handle(GetOwner());
 955   mCursorPositionChanged = false;
 956   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 957 }
 958
 959 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 960 {
 961   Dali::Toolkit::TextEditor handle(GetOwner());
 962   mInputFilteredSignal.Emit(handle, type);
 963 }
 964
 965 void TextEditor::EmitSelectionChangedSignal()
 966 {
 967   Dali::Toolkit::TextEditor handle(GetOwner());
 968   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 969   mSelectionChanged = false;
 970 }
 971
 972 void TextEditor::EmitSelectionClearedSignal()
 973 {
 974   Dali::Toolkit::TextEditor handle(GetOwner());
 975   mSelectionClearedSignal.Emit(handle);
 976   mSelectionCleared = false;
 977 }
 978
 979 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 980 {
 981   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 982   {
 983     if(newStart == newEnd)
 984     {
 985       mSelectionCleared = true;
 986     }
 987
 988     mSelectionChanged  = true;
 989     mOldSelectionStart = oldStart;
 990     mOldSelectionEnd   = oldEnd;
 991
 992     if(mOldSelectionStart > mOldSelectionEnd)
 993     {
 994       //swap
 995       uint32_t temp      = mOldSelectionStart;
 996       mOldSelectionStart = mOldSelectionEnd;
 997       mOldSelectionEnd   = temp;
 998     }
 999   }
1000 }
1001
1002 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
1003 {
1004   if(actor)
1005   {
1006     if(needsClipping)
1007     {
1008       mClippingDecorationActors.push_back(actor);
1009     }
1010     else
1011     {
1012       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1013       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1014       Self().Add(actor);
1015       mActiveLayer = actor;
1016     }
1017   }
1018 }
1019
1020 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1021 {
1022   if(mController && mController->IsShowingRealText())
1023   {
1024     mController->SetTextSelectionRange(start, end);
1025     SetKeyInputFocus();
1026   }
1027 }
1028
1029 Uint32Pair TextEditor::GetTextSelectionRange() const
1030 {
1031   Uint32Pair range(0, 0);
1032   if(mController && mController->IsShowingRealText())
1033   {
1034     range = mController->GetTextSelectionRange();
1035   }
1036   return range;
1037 }
1038
1039 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1040 {
1041   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1042   Property::Map*  resultMap = propValue.GetMap();
1043
1044   Property::Value* colorValue = nullptr;
1045   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1046   {
1047     colorValue->Get(color);
1048   }
1049 }
1050
1051 void TextEditor::UpdateScrollBar()
1052 {
1053   using namespace Dali;
1054
1055   float scrollPosition;
1056   float controlSize;
1057   float layoutSize;
1058   bool  latestScrolled;
1059
1060   if(!mScrollBarEnabled)
1061   {
1062     return;
1063   }
1064   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1065   if(!latestScrolled || controlSize > layoutSize)
1066   {
1067     return;
1068   }
1069
1070   CustomActor self = Self();
1071   if(!mScrollBar)
1072   {
1073     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1074     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1075     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1076     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1077     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1078     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1079
1080     // Register the scroll position property
1081     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1082     // Register the minimum scroll position property
1083     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1084     // Register the maximum scroll position property
1085     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1086     // Register the scroll content size property
1087     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1088
1089     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1090
1091     // Set style name of ScrollBar for styling
1092     mScrollBar.SetStyleName("TextEditorScrollBar");
1093     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1094     if(scrollIndicator)
1095     {
1096       // Set style name of ScrollBarIndicator for styling
1097       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1098     }
1099
1100     self.Add(mScrollBar);
1101   }
1102   else
1103   {
1104     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1105     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1106     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1107
1108     self.SetProperty(propertyScrollPosition, scrollPosition);
1109     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1110     self.SetProperty(propertyScrollContentSize, layoutSize);
1111   }
1112
1113   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1114   if(!mScrollStarted)
1115   {
1116     mScrollStarted = true;
1117     Dali::Toolkit::TextEditor handle(GetOwner());
1118     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1119   }
1120
1121   Actor indicator = mScrollBar.GetScrollIndicator();
1122   if(mAnimation)
1123   {
1124     mAnimation.Stop(); // Cancel any animation
1125   }
1126   else
1127   {
1128     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1129   }
1130   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1131   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1132   mAnimation.Play();
1133   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1134 }
1135
1136 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1137 {
1138   // If animation is successfully ended, then emit ScrollStateChangedSignal
1139   if(animation.GetCurrentProgress() == 0.0f)
1140   {
1141     mScrollStarted = false;
1142     Dali::Toolkit::TextEditor handle(GetOwner());
1143     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1144   }
1145 }
1146
1147 void TextEditor::OnSceneConnect(Dali::Actor actor)
1148 {
1149   if(mHasBeenStaged)
1150   {
1151     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1152   }
1153   else
1154   {
1155     mHasBeenStaged = true;
1156   }
1157 }
1158
1159 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1160 {
1161   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1162   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1163 }
1164
1165 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1166 {
1167   if(mDecorator)
1168   {
1169     Property::Map map;
1170     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1171
1172     value = map;
1173   }
1174 }
1175
1176 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1177 {
1178   mController->PasteClipboardItemEvent();
1179 }
1180
1181 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1182 {
1183   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1184
1185   // Just hide the grab handle when keyboard is hidden.
1186   if(!keyboardShown)
1187   {
1188     mController->KeyboardFocusLostEvent();
1189   }
1190   else
1191   {
1192     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1193   }
1194 }
1195
1196 void TextEditor::OnSceneConnection(int depth)
1197 {
1198   // Sets the depth to the visuals inside the text's decorator.
1199   mDecorator->SetTextDepth(depth);
1200
1201   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1202
1203   // Call the Control::OnSceneConnection() to set the depth of the background.
1204   Control::OnSceneConnection(depth);
1205 }
1206
1207 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1208 {
1209   return false;
1210 }
1211
1212 void TextEditor::OnIdleSignal()
1213 {
1214   // Emits the change of input style signals.
1215   mController->ProcessInputStyleChangedSignals();
1216
1217   // Set the pointer to null as the callback manager deletes the callback after execute it.
1218   mIdleCallback = NULL;
1219 }
1220
1221 void TextEditor::ApplyScrollPosition()
1222 {
1223   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1224   float          scrollAmount = 0.0f;
1225
1226   if(mScrollAnimationEnabled)
1227   {
1228     scrollAmount = mController->GetScrollAmountByUserInput();
1229   }
1230   if(mTextVerticalScroller)
1231   {
1232     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1233   }
1234   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1235   {
1236     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1237   }
1238   else
1239   {
1240     mTextVerticalScroller = Text::TextVerticalScroller::New();
1241     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1242     {
1243       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1244     }
1245     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1246   }
1247 }
1248
1249 bool TextEditor::IsEditable() const
1250 {
1251   return mController->IsEditable();
1252 }
1253
1254 void TextEditor::SetEditable(bool editable)
1255 {
1256   mController->SetEditable(editable);
1257   if(mInputMethodContext && !editable)
1258   {
1259     mInputMethodContext.Deactivate();
1260   }
1261 }
1262
1263 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1264 {
1265   mController->ChangedLayoutDirection();
1266 }
1267
1268 TextEditor::TextEditor()
1269 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1270   mAnimationPeriod(0.0f, 0.0f),
1271   mIdleCallback(NULL),
1272   mAlignmentOffset(0.f),
1273   mScrollAnimationDuration(0.f),
1274   mLineSpacing(0.f),
1275   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1276   mHasBeenStaged(false),
1277   mScrollAnimationEnabled(false),
1278   mScrollBarEnabled(false),
1279   mScrollStarted(false),
1280   mTextChanged(false),
1281   mCursorPositionChanged(false),
1282   mSelectionChanged(false),
1283   mSelectionCleared(false),
1284   mOldPosition(0u),
1285   mOldSelectionStart(0u),
1286   mOldSelectionEnd(0u)
1287 {
1288 }
1289
1290 TextEditor::~TextEditor()
1291 {
1292   UnparentAndReset(mStencil);
1293
1294   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1295   {
1296     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1297     Adaptor::Get().RemoveIdle(mIdleCallback);
1298   }
1299 }
1300
1301 std::string TextEditor::AccessibleImpl::GetName() const
1302 {
1303   auto self = Toolkit::TextEditor::DownCast(Self());
1304   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1305 }
1306
1307 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1308 {
1309   if(endOffset <= startOffset)
1310   {
1311     return {};
1312   }
1313
1314   auto self = Toolkit::TextEditor::DownCast(Self());
1315   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1316
1317   if(startOffset > text.size() || endOffset > text.size())
1318   {
1319     return {};
1320   }
1321
1322   return text.substr(startOffset, endOffset - startOffset);
1323 }
1324
1325 size_t TextEditor::AccessibleImpl::GetCharacterCount() const
1326 {
1327   auto self = Toolkit::TextEditor::DownCast(Self());
1328   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1329
1330   return text.size();
1331 }
1332
1333 size_t TextEditor::AccessibleImpl::GetCursorOffset() const
1334 {
1335   auto slf = Toolkit::TextEditor::DownCast(Self());
1336   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1337 }
1338
1339 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1340 {
1341   auto slf = Toolkit::TextEditor::DownCast(Self());
1342   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1343   if(offset > txt.size())
1344   {
1345     return false;
1346   }
1347
1348   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1349   slfImpl.GetTextController()->ResetCursorPosition(offset);
1350   slfImpl.RequestTextRelayout();
1351
1352   return true;
1353 }
1354
1355 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary) const
1356 {
1357   auto self     = Toolkit::TextEditor::DownCast(Self());
1358   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1359   auto textSize = text.size();
1360
1361   auto range = Dali::Accessibility::Range{};
1362
1363   switch(boundary)
1364   {
1365     case Dali::Accessibility::TextBoundary::CHARACTER:
1366     {
1367       if(offset < textSize)
1368       {
1369         range.content     = text[offset];
1370         range.startOffset = offset;
1371         range.endOffset   = offset + 1;
1372       }
1373       break;
1374     }
1375     case Dali::Accessibility::TextBoundary::WORD:
1376     case Dali::Accessibility::TextBoundary::LINE:
1377     {
1378       auto textString = text.c_str();
1379       auto breaks     = std::vector<char>(textSize, 0);
1380
1381       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1382       {
1383         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1384       }
1385       else
1386       {
1387         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1388       }
1389
1390       auto index   = 0u;
1391       auto counter = 0u;
1392       while(index < textSize && counter <= offset)
1393       {
1394         auto start = index;
1395         if(breaks[index])
1396         {
1397           while(breaks[index])
1398           {
1399             index++;
1400           }
1401           counter++;
1402         }
1403         else
1404         {
1405           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1406           {
1407             index++;
1408           }
1409           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1410           {
1411             counter++;
1412           }
1413         }
1414
1415         if((counter > 0) && ((counter - 1) == offset))
1416         {
1417           range.content     = text.substr(start, index - start + 1);
1418           range.startOffset = start;
1419           range.endOffset   = index + 1;
1420         }
1421
1422         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1423         {
1424           index++;
1425         }
1426       }
1427       break;
1428     }
1429     case Dali::Accessibility::TextBoundary::SENTENCE:
1430     {
1431       /* not supported by default */
1432       break;
1433     }
1434     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1435     {
1436       /* Paragraph is not supported by libunibreak library */
1437       break;
1438     }
1439     default:
1440       break;
1441   }
1442
1443   return range;
1444 }
1445
1446 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1447 {
1448   // Since DALi supports only one selection indexes higher than 0 are ignored
1449   if(selectionIndex > 0)
1450   {
1451     return {};
1452   }
1453
1454   auto        self       = Toolkit::TextEditor::DownCast(Self());
1455   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1456   std::string value{};
1457   controller->RetrieveSelection(value);
1458   auto indices = controller->GetSelectionIndexes();
1459
1460   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1461 }
1462
1463 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1464 {
1465   // Since DALi supports only one selection indexes higher than 0 are ignored
1466   if(selectionIndex > 0)
1467   {
1468     return false;
1469   }
1470
1471   auto self = Toolkit::TextEditor::DownCast(Self());
1472   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1473   return true;
1474 }
1475
1476 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1477 {
1478   // Since DALi supports only one selection indexes higher than 0 are ignored
1479   if(selectionIndex > 0)
1480   {
1481     return false;
1482   }
1483
1484   auto self = Toolkit::TextEditor::DownCast(Self());
1485   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1486   return true;
1487 }
1488
1489 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1490 {
1491   if(endPosition <= startPosition)
1492   {
1493     return false;
1494   }
1495
1496   auto self = Toolkit::TextEditor::DownCast(Self());
1497   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1498   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1499
1500   return true;
1501 }
1502
1503 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1504 {
1505   if(endPosition <= startPosition)
1506   {
1507     return false;
1508   }
1509
1510   auto self = Toolkit::TextEditor::DownCast(Self());
1511   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1512   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1513
1514   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1515
1516   return true;
1517 }
1518
1519 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1520 {
1521   if(endPosition <= startPosition)
1522   {
1523     return false;
1524   }
1525
1526   auto self = Toolkit::TextEditor::DownCast(Self());
1527   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1528
1529   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1530
1531   return true;
1532 }
1533
1534 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1535 {
1536   using namespace Dali::Accessibility;
1537
1538   auto states              = DevelControl::ControlAccessible::CalculateStates();
1539   states[State::EDITABLE]  = true;
1540   states[State::FOCUSABLE] = true;
1541
1542   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1543   if(Self() == focusControl)
1544   {
1545     states[State::FOCUSED] = true;
1546   }
1547
1548   return states;
1549 }
1550
1551 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1552 {
1553   auto self         = Toolkit::TextEditor::DownCast(Self());
1554   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1555
1556   insertedText.insert(startPosition, text);
1557
1558   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1559
1560   return true;
1561 }
1562
1563 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1564 {
1565   auto self = Toolkit::TextEditor::DownCast(Self());
1566   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1567   return true;
1568 }
1569
1570 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1571 {
1572   auto self = Toolkit::TextEditor::DownCast(Self());
1573   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1574 }
1575
1576 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1577 {
1578   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1579   {
1580     return nullptr;
1581   }
1582   auto self        = Toolkit::TextEditor::DownCast(Self());
1583   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1584   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1585 }
1586
1587 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1588 {
1589   auto self       = Toolkit::TextEditor::DownCast(Self());
1590   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1591   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1592 }
1593
1594 } // namespace Internal
1595
1596 } // namespace Toolkit
1597
1598 } // namespace Dali