/xbmc/guilib/GUIEditControl.cpp
http://github.com/xbmc/xbmc · C++ · 738 lines · 634 code · 70 blank · 34 comment · 179 complexity · 87020e53afcc8adf498c16d8115c86a4 MD5 · raw file
- /*
- * Copyright (C) 2005-2018 Team Kodi
- * This file is part of Kodi - https://kodi.tv
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- * See LICENSES/README.md for more information.
- */
- #include "GUIEditControl.h"
- #include "GUIKeyboardFactory.h"
- #include "GUIUserMessages.h"
- #include "GUIWindowManager.h"
- #include "LocalizeStrings.h"
- #include "ServiceBroker.h"
- #include "XBDateTime.h"
- #include "dialogs/GUIDialogNumeric.h"
- #include "input/Key.h"
- #include "input/XBMC_vkeys.h"
- #include "utils/CharsetConverter.h"
- #include "utils/Color.h"
- #include "utils/Digest.h"
- #include "utils/Variant.h"
- #include "windowing/WinSystem.h"
- using namespace KODI::GUILIB;
- using KODI::UTILITY::CDigest;
- const char* CGUIEditControl::smsLetters[10] = { " !@#$%^&*()[]{}<>/\\|0", ".,;:\'\"-+_=?`~1", "abc2ABC", "def3DEF", "ghi4GHI", "jkl5JKL", "mno6MNO", "pqrs7PQRS", "tuv8TUV", "wxyz9WXYZ" };
- const unsigned int CGUIEditControl::smsDelay = 1000;
- #ifdef TARGET_WINDOWS
- extern HWND g_hWnd;
- #endif
- CGUIEditControl::CGUIEditControl(int parentID, int controlID, float posX, float posY,
- float width, float height, const CTextureInfo &textureFocus, const CTextureInfo &textureNoFocus,
- const CLabelInfo& labelInfo, const std::string &text)
- : CGUIButtonControl(parentID, controlID, posX, posY, width, height, textureFocus, textureNoFocus, labelInfo)
- {
- DefaultConstructor();
- SetLabel(text);
- }
- void CGUIEditControl::DefaultConstructor()
- {
- ControlType = GUICONTROL_EDIT;
- m_textOffset = 0;
- m_textWidth = GetWidth();
- m_cursorPos = 0;
- m_cursorBlink = 0;
- m_inputHeading = g_localizeStrings.Get(16028);
- m_inputType = INPUT_TYPE_TEXT;
- m_smsLastKey = 0;
- m_smsKeyIndex = 0;
- m_label.SetAlign(m_label.GetLabelInfo().align & XBFONT_CENTER_Y); // left align
- m_label2.GetLabelInfo().offsetX = 0;
- m_isMD5 = false;
- m_invalidInput = false;
- m_inputValidator = NULL;
- m_inputValidatorData = NULL;
- m_editLength = 0;
- m_editOffset = 0;
- }
- CGUIEditControl::CGUIEditControl(const CGUIButtonControl &button)
- : CGUIButtonControl(button)
- {
- DefaultConstructor();
- }
- CGUIEditControl::~CGUIEditControl(void) = default;
- bool CGUIEditControl::OnMessage(CGUIMessage &message)
- {
- if (message.GetMessage() == GUI_MSG_SET_TYPE)
- {
- SetInputType((INPUT_TYPE)message.GetParam1(), message.GetParam2());
- return true;
- }
- else if (message.GetMessage() == GUI_MSG_ITEM_SELECTED)
- {
- message.SetLabel(GetLabel2());
- return true;
- }
- else if (message.GetMessage() == GUI_MSG_SET_TEXT &&
- ((message.GetControlId() <= 0 && HasFocus()) || (message.GetControlId() == GetID())))
- {
- SetLabel2(message.GetLabel());
- UpdateText();
- }
- return CGUIButtonControl::OnMessage(message);
- }
- bool CGUIEditControl::OnAction(const CAction &action)
- {
- ValidateCursor();
- if (m_inputType != INPUT_TYPE_READONLY)
- {
- if (action.GetID() == ACTION_BACKSPACE)
- {
- // backspace
- if (m_cursorPos)
- {
- if (!ClearMD5())
- m_text2.erase(--m_cursorPos, 1);
- UpdateText();
- }
- return true;
- }
- else if (action.GetID() == ACTION_MOVE_LEFT ||
- action.GetID() == ACTION_CURSOR_LEFT)
- {
- if (m_cursorPos > 0)
- {
- m_cursorPos--;
- UpdateText(false);
- return true;
- }
- }
- else if (action.GetID() == ACTION_MOVE_RIGHT ||
- action.GetID() == ACTION_CURSOR_RIGHT)
- {
- if (m_cursorPos < m_text2.size())
- {
- m_cursorPos++;
- UpdateText(false);
- return true;
- }
- }
- else if (action.GetID() == ACTION_PASTE)
- {
- ClearMD5();
- OnPasteClipboard();
- return true;
- }
- else if (action.GetID() >= KEY_VKEY && action.GetID() < KEY_UNICODE && m_edit.empty())
- {
- // input from the keyboard (vkey, not ascii)
- unsigned char b = action.GetID() & 0xFF;
- if (b == XBMCVK_HOME)
- {
- m_cursorPos = 0;
- UpdateText(false);
- return true;
- }
- else if (b == XBMCVK_END)
- {
- m_cursorPos = m_text2.length();
- UpdateText(false);
- return true;
- }
- if (b == XBMCVK_LEFT && m_cursorPos > 0)
- {
- m_cursorPos--;
- UpdateText(false);
- return true;
- }
- if (b == XBMCVK_RIGHT && m_cursorPos < m_text2.length())
- {
- m_cursorPos++;
- UpdateText(false);
- return true;
- }
- if (b == XBMCVK_DELETE)
- {
- if (m_cursorPos < m_text2.length())
- {
- if (!ClearMD5())
- m_text2.erase(m_cursorPos, 1);
- UpdateText();
- return true;
- }
- }
- if (b == XBMCVK_BACK)
- {
- if (m_cursorPos > 0)
- {
- if (!ClearMD5())
- m_text2.erase(--m_cursorPos, 1);
- UpdateText();
- }
- return true;
- }
- else if (b == XBMCVK_RETURN || b == XBMCVK_NUMPADENTER)
- {
- // enter - send click message, but otherwise ignore
- SEND_CLICK_MESSAGE(GetID(), GetParentID(), 1);
- return true;
- }
- else if (b == XBMCVK_ESCAPE)
- { // escape - fallthrough to default action
- return CGUIButtonControl::OnAction(action);
- }
- }
- else if (action.GetID() == KEY_UNICODE)
- {
- // input from the keyboard
- int ch = action.GetUnicode();
- // ignore non-printing characters
- if ( !((0 <= ch && ch < 0x8) || (0xE <= ch && ch < 0x1B) || (0x1C <= ch && ch < 0x20)) )
- {
- switch (ch)
- {
- case 9: // tab, ignore
- case 11: // Non-printing character, ignore
- case 12: // Non-printing character, ignore
- break;
- case 10:
- case 13:
- {
- // enter - send click message, but otherwise ignore
- SEND_CLICK_MESSAGE(GetID(), GetParentID(), 1);
- return true;
- }
- case 27:
- { // escape - fallthrough to default action
- return CGUIButtonControl::OnAction(action);
- }
- case 8:
- {
- // backspace
- if (m_cursorPos)
- {
- if (!ClearMD5())
- m_text2.erase(--m_cursorPos, 1);
- }
- break;
- }
- case 127:
- { // delete
- if (m_cursorPos < m_text2.length())
- {
- if (!ClearMD5())
- m_text2.erase(m_cursorPos, 1);
- }
- break;
- }
- default:
- {
- ClearMD5();
- m_edit.clear();
- m_text2.insert(m_text2.begin() + m_cursorPos++, action.GetUnicode());
- break;
- }
- }
- UpdateText();
- return true;
- }
- }
- else if (action.GetID() >= REMOTE_0 && action.GetID() <= REMOTE_9)
- { // input from the remote
- ClearMD5();
- m_edit.clear();
- OnSMSCharacter(action.GetID() - REMOTE_0);
- return true;
- }
- else if (action.GetID() == ACTION_INPUT_TEXT)
- {
- m_edit.clear();
- std::wstring str;
- g_charsetConverter.utf8ToW(action.GetText(), str, false);
- m_text2.insert(m_cursorPos, str);
- m_cursorPos += str.size();
- UpdateText();
- return true;
- }
- }
- return CGUIButtonControl::OnAction(action);
- }
- void CGUIEditControl::OnClick()
- {
- // we received a click - it's not from the keyboard, so pop up the virtual keyboard, unless
- // that is where we reside!
- if (GetParentID() == WINDOW_DIALOG_KEYBOARD)
- return;
- std::string utf8;
- g_charsetConverter.wToUTF8(m_text2, utf8);
- bool textChanged = false;
- switch (m_inputType)
- {
- case INPUT_TYPE_READONLY:
- textChanged = false;
- break;
- case INPUT_TYPE_NUMBER:
- textChanged = CGUIDialogNumeric::ShowAndGetNumber(utf8, m_inputHeading);
- break;
- case INPUT_TYPE_SECONDS:
- textChanged = CGUIDialogNumeric::ShowAndGetSeconds(utf8, g_localizeStrings.Get(21420));
- break;
- case INPUT_TYPE_TIME:
- {
- CDateTime dateTime;
- dateTime.SetFromDBTime(utf8);
- KODI::TIME::SystemTime time;
- dateTime.GetAsSystemTime(time);
- if (CGUIDialogNumeric::ShowAndGetTime(time, !m_inputHeading.empty() ? m_inputHeading : g_localizeStrings.Get(21420)))
- {
- dateTime = CDateTime(time);
- utf8 = dateTime.GetAsLocalizedTime("", false);
- textChanged = true;
- }
- break;
- }
- case INPUT_TYPE_DATE:
- {
- CDateTime dateTime;
- dateTime.SetFromDBDate(utf8);
- if (dateTime < CDateTime(2000,1, 1, 0, 0, 0))
- dateTime = CDateTime(2000, 1, 1, 0, 0, 0);
- KODI::TIME::SystemTime date;
- dateTime.GetAsSystemTime(date);
- if (CGUIDialogNumeric::ShowAndGetDate(date, !m_inputHeading.empty() ? m_inputHeading : g_localizeStrings.Get(21420)))
- {
- dateTime = CDateTime(date);
- utf8 = dateTime.GetAsDBDate();
- textChanged = true;
- }
- break;
- }
- case INPUT_TYPE_IPADDRESS:
- textChanged = CGUIDialogNumeric::ShowAndGetIPAddress(utf8, m_inputHeading);
- break;
- case INPUT_TYPE_SEARCH:
- textChanged = CGUIKeyboardFactory::ShowAndGetFilter(utf8, true);
- break;
- case INPUT_TYPE_FILTER:
- textChanged = CGUIKeyboardFactory::ShowAndGetFilter(utf8, false);
- break;
- case INPUT_TYPE_PASSWORD_NUMBER_VERIFY_NEW:
- textChanged = CGUIDialogNumeric::ShowAndVerifyNewPassword(utf8);
- break;
- case INPUT_TYPE_PASSWORD_MD5:
- utf8 = ""; //! @todo Ideally we'd send this to the keyboard and tell the keyboard we have this type of input
- // fallthrough
- case INPUT_TYPE_TEXT:
- default:
- textChanged = CGUIKeyboardFactory::ShowAndGetInput(utf8, m_inputHeading, true, m_inputType == INPUT_TYPE_PASSWORD || m_inputType == INPUT_TYPE_PASSWORD_MD5);
- break;
- }
- if (textChanged)
- {
- ClearMD5();
- m_edit.clear();
- g_charsetConverter.utf8ToW(utf8, m_text2);
- m_cursorPos = m_text2.size();
- UpdateText();
- m_cursorPos = m_text2.size();
- }
- }
- void CGUIEditControl::UpdateText(bool sendUpdate)
- {
- m_smsTimer.Stop();
- if (sendUpdate)
- {
- ValidateInput();
- SEND_CLICK_MESSAGE(GetID(), GetParentID(), 0);
- m_textChangeActions.ExecuteActions(GetID(), GetParentID());
- }
- SetInvalid();
- }
- void CGUIEditControl::SetInputType(CGUIEditControl::INPUT_TYPE type, CVariant heading)
- {
- m_inputType = type;
- if (heading.isString())
- m_inputHeading = heading.asString();
- else if (heading.isInteger() && heading.asInteger())
- m_inputHeading = g_localizeStrings.Get(static_cast<uint32_t>(heading.asInteger()));
- //! @todo Verify the current input string?
- }
- void CGUIEditControl::RecalcLabelPosition()
- {
- // ensure that our cursor is within our width
- ValidateCursor();
- std::wstring text = GetDisplayedText();
- m_textWidth = m_label.CalcTextWidth(text + L'|');
- float beforeCursorWidth = m_label.CalcTextWidth(text.substr(0, m_cursorPos));
- float afterCursorWidth = m_label.CalcTextWidth(text.substr(0, m_cursorPos) + L'|');
- float leftTextWidth = m_label.GetRenderRect().Width();
- float maxTextWidth = m_label.GetMaxWidth();
- if (leftTextWidth > 0)
- maxTextWidth -= leftTextWidth + spaceWidth;
- // if skinner forgot to set height :p
- if (m_height == 0 && m_label.GetLabelInfo().font)
- m_height = m_label.GetLabelInfo().font->GetTextHeight(1);
- if (m_textWidth > maxTextWidth)
- { // we render taking up the full width, so make sure our cursor position is
- // within the render window
- if (m_textOffset + afterCursorWidth > maxTextWidth)
- {
- // move the position to the left (outside of the viewport)
- m_textOffset = maxTextWidth - afterCursorWidth;
- }
- else if (m_textOffset + beforeCursorWidth < 0) // offscreen to the left
- {
- // otherwise use original position
- m_textOffset = -beforeCursorWidth;
- }
- else if (m_textOffset + m_textWidth < maxTextWidth)
- { // we have more text than we're allowed, but we aren't filling all the space
- m_textOffset = maxTextWidth - m_textWidth;
- }
- }
- else
- m_textOffset = 0;
- }
- void CGUIEditControl::ProcessText(unsigned int currentTime)
- {
- if (m_smsTimer.IsRunning() && m_smsTimer.GetElapsedMilliseconds() > smsDelay)
- UpdateText();
- if (m_bInvalidated)
- {
- m_label.SetMaxRect(m_posX, m_posY, m_width, m_height);
- m_label.SetText(m_info.GetLabel(GetParentID()));
- RecalcLabelPosition();
- }
- bool changed = false;
- m_clipRect.x1 = m_label.GetRenderRect().x1;
- m_clipRect.x2 = m_clipRect.x1 + m_label.GetMaxWidth();
- m_clipRect.y1 = m_posY;
- m_clipRect.y2 = m_posY + m_height;
- // start by rendering the normal text
- float leftTextWidth = m_label.GetRenderRect().Width();
- if (leftTextWidth > 0)
- {
- // render the text on the left
- changed |= m_label.SetColor(GetTextColor());
- changed |= m_label.Process(currentTime);
- m_clipRect.x1 += leftTextWidth + spaceWidth;
- }
- if (CServiceBroker::GetWinSystem()->GetGfxContext().SetClipRegion(m_clipRect.x1, m_clipRect.y1, m_clipRect.Width(), m_clipRect.Height()))
- {
- uint32_t align = m_label.GetLabelInfo().align & XBFONT_CENTER_Y; // start aligned left
- if (m_label2.GetTextWidth() < m_clipRect.Width())
- { // align text as our text fits
- if (leftTextWidth > 0)
- { // right align as we have 2 labels
- align |= XBFONT_RIGHT;
- }
- else
- { // align by whatever the skinner requests
- align |= (m_label2.GetLabelInfo().align & 3);
- }
- }
- changed |= m_label2.SetMaxRect(m_clipRect.x1 + m_textOffset, m_posY, m_clipRect.Width() - m_textOffset, m_height);
- std::wstring text = GetDisplayedText();
- std::string hint = m_hintInfo.GetLabel(GetParentID());
- if (!HasFocus() && text.empty() && !hint.empty())
- {
- changed |= m_label2.SetText(hint);
- }
- else if ((HasFocus() || GetParentID() == WINDOW_DIALOG_KEYBOARD) &&
- m_inputType != INPUT_TYPE_READONLY)
- {
- changed |= SetStyledText(text);
- }
- else
- changed |= m_label2.SetTextW(text);
- changed |= m_label2.SetAlign(align);
- changed |= m_label2.SetColor(GetTextColor());
- changed |= m_label2.SetOverflow(CGUILabel::OVER_FLOW_CLIP);
- changed |= m_label2.Process(currentTime);
- CServiceBroker::GetWinSystem()->GetGfxContext().RestoreClipRegion();
- }
- if (changed)
- MarkDirtyRegion();
- }
- void CGUIEditControl::RenderText()
- {
- m_label.Render();
- if (CServiceBroker::GetWinSystem()->GetGfxContext().SetClipRegion(m_clipRect.x1, m_clipRect.y1, m_clipRect.Width(), m_clipRect.Height()))
- {
- m_label2.Render();
- CServiceBroker::GetWinSystem()->GetGfxContext().RestoreClipRegion();
- }
- }
- CGUILabel::COLOR CGUIEditControl::GetTextColor() const
- {
- CGUILabel::COLOR color = CGUIButtonControl::GetTextColor();
- if (color != CGUILabel::COLOR_DISABLED && HasInvalidInput())
- return CGUILabel::COLOR_INVALID;
- return color;
- }
- void CGUIEditControl::SetHint(const GUIINFO::CGUIInfoLabel& hint)
- {
- m_hintInfo = hint;
- }
- std::wstring CGUIEditControl::GetDisplayedText() const
- {
- std::wstring text(m_text2);
- if (m_inputType == INPUT_TYPE_PASSWORD || m_inputType == INPUT_TYPE_PASSWORD_MD5 || m_inputType == INPUT_TYPE_PASSWORD_NUMBER_VERIFY_NEW)
- {
- text.clear();
- if (m_smsTimer.IsRunning())
- { // using the remove to input, so display the last key input
- text.append(m_cursorPos - 1, L'*');
- text.append(1, m_text2[m_cursorPos - 1]);
- text.append(m_text2.size() - m_cursorPos, L'*');
- }
- else
- text.append(m_text2.size(), L'*');
- }
- else if (!m_edit.empty())
- text.insert(m_editOffset, m_edit);
- return text;
- }
- bool CGUIEditControl::SetStyledText(const std::wstring &text)
- {
- vecText styled;
- styled.reserve(text.size() + 1);
- std::vector<UTILS::Color> colors;
- colors.push_back(m_label.GetLabelInfo().textColor);
- colors.push_back(m_label.GetLabelInfo().disabledColor);
- UTILS::Color select = m_label.GetLabelInfo().selectedColor;
- if (!select)
- select = 0xFFFF0000;
- colors.push_back(select);
- colors.push_back(0x00FFFFFF);
- unsigned int startHighlight = m_cursorPos;
- unsigned int endHighlight = m_cursorPos + m_edit.size();
- unsigned int startSelection = m_cursorPos + m_editOffset;
- unsigned int endSelection = m_cursorPos + m_editOffset + m_editLength;
- for (unsigned int i = 0; i < text.size(); i++)
- {
- unsigned int ch = text[i];
- if (m_editLength > 0 && startSelection <= i && i < endSelection)
- ch |= (2 << 16); // highlight the letters we're playing with
- else if (!m_edit.empty() && (i < startHighlight || i >= endHighlight))
- ch |= (1 << 16); // dim the bits we're not editing
- styled.push_back(ch);
- }
- // show the cursor
- unsigned int ch = L'|';
- if ((++m_cursorBlink % 64) > 32)
- ch = L' ';
- styled.insert(styled.begin() + m_cursorPos, ch);
- return m_label2.SetStyledText(styled, colors);
- }
- void CGUIEditControl::ValidateCursor()
- {
- if (m_cursorPos > m_text2.size())
- m_cursorPos = m_text2.size();
- }
- void CGUIEditControl::SetLabel(const std::string &text)
- {
- CGUIButtonControl::SetLabel(text);
- SetInvalid();
- }
- void CGUIEditControl::SetLabel2(const std::string &text)
- {
- m_edit.clear();
- std::wstring newText;
- g_charsetConverter.utf8ToW(text, newText, false);
- if (newText != m_text2)
- {
- m_isMD5 = (m_inputType == INPUT_TYPE_PASSWORD_MD5 || m_inputType == INPUT_TYPE_PASSWORD_NUMBER_VERIFY_NEW);
- m_text2 = newText;
- m_cursorPos = m_text2.size();
- ValidateInput();
- SetInvalid();
- }
- }
- std::string CGUIEditControl::GetLabel2() const
- {
- std::string text;
- g_charsetConverter.wToUTF8(m_text2, text);
- if (m_inputType == INPUT_TYPE_PASSWORD_MD5 && !m_isMD5)
- return CDigest::Calculate(CDigest::Type::MD5, text);
- return text;
- }
- bool CGUIEditControl::ClearMD5()
- {
- if (!(m_inputType == INPUT_TYPE_PASSWORD_MD5 || m_inputType == INPUT_TYPE_PASSWORD_NUMBER_VERIFY_NEW) || !m_isMD5)
- return false;
- m_text2.clear();
- m_cursorPos = 0;
- if (m_inputType != INPUT_TYPE_PASSWORD_NUMBER_VERIFY_NEW)
- m_isMD5 = false;
- return true;
- }
- unsigned int CGUIEditControl::GetCursorPosition() const
- {
- return m_cursorPos;
- }
- void CGUIEditControl::SetCursorPosition(unsigned int iPosition)
- {
- m_cursorPos = iPosition;
- }
- void CGUIEditControl::OnSMSCharacter(unsigned int key)
- {
- assert(key < 10);
- if (m_smsTimer.IsRunning())
- {
- // we're already entering an SMS character
- if (key != m_smsLastKey || m_smsTimer.GetElapsedMilliseconds() > smsDelay)
- { // a different key was clicked than last time, or we have timed out
- m_smsLastKey = key;
- m_smsKeyIndex = 0;
- }
- else
- { // same key as last time within the appropriate time period
- m_smsKeyIndex++;
- if (m_cursorPos)
- m_text2.erase(--m_cursorPos, 1);
- }
- }
- else
- { // key is pressed for the first time
- m_smsLastKey = key;
- m_smsKeyIndex = 0;
- }
- m_smsKeyIndex = m_smsKeyIndex % strlen(smsLetters[key]);
- m_text2.insert(m_text2.begin() + m_cursorPos++, smsLetters[key][m_smsKeyIndex]);
- UpdateText();
- m_smsTimer.StartZero();
- }
- void CGUIEditControl::OnPasteClipboard()
- {
- std::wstring unicode_text;
- std::string utf8_text;
- // Get text from the clipboard
- utf8_text = CServiceBroker::GetWinSystem()->GetClipboardText();
- g_charsetConverter.utf8ToW(utf8_text, unicode_text);
- // Insert the pasted text at the current cursor position.
- if (unicode_text.length() > 0)
- {
- std::wstring left_end = m_text2.substr(0, m_cursorPos);
- std::wstring right_end = m_text2.substr(m_cursorPos);
- m_text2 = left_end;
- m_text2.append(unicode_text);
- m_text2.append(right_end);
- m_cursorPos += unicode_text.length();
- UpdateText();
- }
- }
- void CGUIEditControl::SetInputValidation(StringValidation::Validator inputValidator, void *data /* = NULL */)
- {
- if (m_inputValidator == inputValidator)
- return;
- m_inputValidator = inputValidator;
- m_inputValidatorData = data;
- // the input validator has changed, so re-validate the current data
- ValidateInput();
- }
- bool CGUIEditControl::ValidateInput(const std::wstring &data) const
- {
- if (m_inputValidator == NULL)
- return true;
- return m_inputValidator(GetLabel2(), m_inputValidatorData != NULL ? m_inputValidatorData : const_cast<void*>((const void*)this));
- }
- void CGUIEditControl::ValidateInput()
- {
- // validate the input
- bool invalid = !ValidateInput(m_text2);
- // nothing to do if still valid/invalid
- if (invalid != m_invalidInput)
- {
- // the validity state has changed so we need to update the control
- m_invalidInput = invalid;
- // let the window/dialog know that the validity has changed
- CGUIMessage msg(GUI_MSG_VALIDITY_CHANGED, GetID(), GetID(), m_invalidInput ? 0 : 1);
- SendWindowMessage(msg);
- SetInvalid();
- }
- }
- void CGUIEditControl::SetFocus(bool focus)
- {
- m_smsTimer.Stop();
- CGUIControl::SetFocus(focus);
- SetInvalid();
- }
- std::string CGUIEditControl::GetDescriptionByIndex(int index) const
- {
- if (index == 0)
- return GetDescription();
- else if(index == 1)
- return GetLabel2();
- return "";
- }