1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Provides the aknfepinputstatecandidatepinyinphrasecreation definition. |
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16 * |
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17 */ |
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18 |
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29 |
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30 // System includes |
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31 #include <PtiEngine.h> |
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32 #include <avkon.rsg> |
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33 #include <aknfep.rsg> |
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34 //#include <aknquerydialog.h> //CAknQueryDialog |
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35 |
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36 // User includes |
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37 #include "aknfepinputstatecandidatepinyinphrasecreation.h" |
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38 #include "AknFepUiCtrlContainerChinese.h" |
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39 #include "AknFepUICtrlCandidatePane.h" |
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40 #include "AknFepUICtrlPinyinPopup.h" //Pinyin phrase |
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41 #include "aknfepuictrleditpane.h" //pinyin phrase creation |
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42 #include "AknFepUIManagerStateInterface.h" |
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43 #include "AknFepManager.h" |
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44 |
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45 // Constant definition |
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46 const TInt KMinCnadidateCount = 1; |
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47 const TInt KMaxSpellingLength = 10; |
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48 const TInt KMaxPhraseCreationCount = 7; |
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49 |
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50 //add the max phrase is seven |
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51 _LIT( KMaxPhraseNote,"\x8BCD\x7EC4\x6700\x957F\x4E3A\x4E03\x5B57" ); |
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52 |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // AknFepUiInputStateCandidatePinyinAndStrokePhrase:: |
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56 // TAknFepUiInputStateCandidatePinyinAndStrokePhrase |
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57 // (other items were commented in a header). |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 TAknFepInputStateCandidatePinyinPhraseCreation:: |
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61 TAknFepInputStateCandidatePinyinPhraseCreation( |
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62 MAknFepUIManagerStateInterface* aOwner, |
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63 MAknFepUICtrlContainerChinese* aUIContainer) : |
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64 TAknFepInputStatePinyinPhraseCreationBase( aOwner, aUIContainer) |
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65 { |
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66 iState = ECandidateSelection; |
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67 MAknFepUICtrlContainerChinese* uiContainer = UIContainer(); |
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68 |
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69 TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() && |
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70 uiContainer->CandidatePane()->IsFirstPage()); |
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71 TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length(); |
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72 TBool showHorizontalScrollArrows = multiplePages || bufLength > KMinCnadidateCount; |
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73 |
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74 uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); |
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75 uiContainer->ShowVerticalScrollArrows(ETrue); |
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76 uiContainer->FocusCandidatePane(ETrue); |
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77 uiContainer->CandidatePane()->ShowCandidateOrdinals(ETrue); |
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78 uiContainer->CandidatePane()->SelectFirstPhrase(); |
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79 uiContainer->SetFepMan( iOwner->FepMan() ); |
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80 |
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81 UpdateIndicator(); |
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82 ChangeCba(); |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // TAknFepInputStateCandidatePinyinPhraseCreation::HandleKeyL |
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87 // (other items were commented in a header). |
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88 // --------------------------------------------------------------------------- |
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89 // |
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90 TBool TAknFepInputStateCandidatePinyinPhraseCreation::HandleKeyL(TInt aKey, |
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91 TKeyPressLength aLength) |
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92 { |
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93 switch( aKey ) |
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94 { |
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95 case EKeyBackspace: |
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96 KeyBackspace(); |
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97 break; |
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98 case EKeyCBA2: |
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99 iOwner->FepMan()->TryCloseUiL(); |
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100 break; |
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101 default: |
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102 HandleKeyUpDownLeftRightArrowOrKeyCBA1OKL( aKey, aLength ); |
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103 break; |
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104 } |
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105 return ETrue; |
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106 } |
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107 |
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108 // --------------------------------------------------------- |
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109 // Update indicator. |
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110 // --------------------------------------------------------- |
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111 // |
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112 void TAknFepInputStateCandidatePinyinPhraseCreation::UpdateIndicator() |
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113 { |
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114 MAknFepUICtrlContainerChinese* uiContainer = UIContainer(); |
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115 MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane(); |
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116 |
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117 if (candidatePane->IsFirstPage()) |
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118 { |
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119 uiContainer->CandidatePane()->ShowUpScrollArrows(EFalse); |
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120 } |
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121 else |
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122 { |
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123 uiContainer->CandidatePane()->ShowUpScrollArrows(ETrue); |
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124 } |
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125 if ( candidatePane->IsLastPage() ) |
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126 { |
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127 uiContainer->CandidatePane()->ShowDownScrollArrows(EFalse); |
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128 } |
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129 else |
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130 { |
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131 uiContainer->CandidatePane()->ShowDownScrollArrows(ETrue); |
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132 } |
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133 } |
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134 |
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135 // --------------------------------------------------------- |
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136 // Handle horizontal navigation. |
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137 // --------------------------------------------------------- |
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138 // |
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139 TBool TAknFepInputStateCandidatePinyinPhraseCreation::HandleHorizontalNavigation(TInt aKey) |
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140 { |
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141 MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane(); |
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142 TBool response = EFalse; |
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143 |
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144 // Do navigation... |
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145 if (aKey == EKeyLeftArrow) |
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146 { |
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147 if( !candidatePane->SelectPrev() ) |
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148 { |
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149 candidatePane->SetCandidateBuffer(); |
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150 candidatePane->SelectLastPhrase(); |
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151 } |
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152 response = ETrue; |
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153 } |
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154 else if (aKey == EKeyRightArrow) |
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155 { |
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156 if( !candidatePane->SelectNext() ) |
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157 { |
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158 candidatePane->SetCandidateBuffer(); |
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159 candidatePane->SelectFirstPhrase(); |
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160 } |
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161 response = ETrue; |
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162 } |
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163 |
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164 if (response) |
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165 { |
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166 UpdateIndicator(); |
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167 } |
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168 |
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169 return response; |
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170 } |
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171 |
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172 // --------------------------------------------------------- |
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173 // Handle vertical navigation. |
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174 // --------------------------------------------------------- |
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175 // |
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176 TBool TAknFepInputStateCandidatePinyinPhraseCreation::HandleVerticalNavigation(TInt aKey) |
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177 { |
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178 MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane(); |
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179 |
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180 if (aKey == EKeyDownArrow) |
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181 { |
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182 if (candidatePane->IsLastPage()) |
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183 { |
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184 return ETrue; |
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185 } |
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186 candidatePane->NextCandidatePage(); |
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187 } |
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188 else if (aKey == EKeyUpArrow) |
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189 { |
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190 if (candidatePane->IsFirstPage() ) |
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191 { |
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192 return ETrue; |
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193 } |
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194 candidatePane->PreviousCandidatePage(); |
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195 } |
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196 else |
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197 { |
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198 return EFalse; |
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199 } |
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200 candidatePane->SetCandidateBuffer(); |
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201 candidatePane->SelectFirstPhrase(); |
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202 UpdateIndicator(); |
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203 |
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204 return ETrue; |
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205 } |
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206 |
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207 // --------------------------------------------------------- |
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208 // Commit inline to the EEP ctrl. |
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209 // --------------------------------------------------------- |
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210 // |
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211 TBool TAknFepInputStateCandidatePinyinPhraseCreation::CommitInlineEEPL( const TDesC& aText ) |
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212 { |
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213 MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow(); |
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214 CDesCArrayFlat* keystrokeArray = popup->ShowKeystrokeArray(); |
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215 CDesCArrayFlat* validKeystroke = popup->InEffectKeystrokeArray(); |
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216 CDesCArrayFlat* chooseChineseCharacterArray = |
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217 popup->ChooseChineseCharacterArray(); |
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218 CDesCArrayFlat* chooseChineseCharacterArrayKeystroke = |
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219 popup->ChooseChineseCharacterArrayKeystroke(); |
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220 TInt keyCount = validKeystroke->Count(); |
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221 |
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222 TBuf<KMaxSpellingLength> keystroke; |
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223 |
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224 popup->SetPhraseCreationState( ETrue ); |
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225 |
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226 for ( TInt i = 0; i < keyCount; i++ ) |
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227 { |
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228 keystroke.Append( keystrokeArray->MdcaPoint( 0 ) ); |
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229 keystrokeArray->Delete( 0 ); |
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230 } |
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231 |
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232 chooseChineseCharacterArray->AppendL( aText ); |
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233 chooseChineseCharacterArrayKeystroke->AppendL( keystroke ); |
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234 validKeystroke->Reset(); |
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235 |
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236 if ( chooseChineseCharacterArray->Count() >= KMaxPhraseCreationCount ) |
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237 { |
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238 keystrokeArray->Reset(); |
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239 CDesCArrayFlat* phraseCandidates = |
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240 UIContainer()->CandidatePane()->CandidateArray(); |
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241 phraseCandidates->Reset(); |
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242 phraseCandidates->AppendL( KMaxPhraseNote ); |
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243 RefreshUI( 0 ); |
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244 return EFalse; |
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245 } |
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246 return keystrokeArray->Count(); |
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247 } |
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248 |
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249 // --------------------------------------------------------- |
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250 // KeyBackspace. |
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251 // --------------------------------------------------------- |
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252 // |
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253 void TAknFepInputStateCandidatePinyinPhraseCreation::KeyBackspace() |
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254 { |
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255 MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow(); |
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256 // there is "ChangeCba()" before |
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257 popup->SetChangeState( ETrue ); |
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258 iOwner->ChangeState(ESpellingSelection); |
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259 } |
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260 |
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261 // --------------------------------------------------------- |
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262 // Key Up,Down,Left,RightArrow Or Key CBA1,OK. |
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263 // --------------------------------------------------------- |
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264 // |
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265 void TAknFepInputStateCandidatePinyinPhraseCreation::HandleKeyUpDownLeftRightArrowOrKeyCBA1OKL( |
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266 TInt aKey, |
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267 TKeyPressLength aLength ) |
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268 { |
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269 MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow(); |
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270 MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane(); |
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271 TInt index = MapKeyToIndex(aKey); |
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272 |
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273 if ( aKey == EKeyUpArrow && |
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274 iOwner->FepMan()->InputMode() == EPinyin && |
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275 candidatePane->IsFirstPage()) |
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276 { |
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277 popup->SetChangeState( ETrue ); |
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278 iOwner->ChangeState(ESpellingSelection); |
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279 return; |
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280 } |
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281 TBool state = ETrue; |
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282 if ( popup->IsChangeStatet() && aLength == ELongKeyPress ) |
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283 { |
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284 state = EFalse; |
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285 } |
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286 else |
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287 { |
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288 popup->SetChangeState( EFalse ); |
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289 } |
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290 |
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291 if ( state ) |
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292 { |
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293 if ( !(HandleVerticalNavigation( aKey ) |
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294 || HandleHorizontalNavigation( aKey ) ) ) |
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295 { |
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296 // it may be one of the 'valid' numbers.. |
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297 if ( candidatePane->SelectIndex( index, EFalse ) || aKey == EKeyOK |
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298 || aKey == EKeyCBA1 ) |
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299 { |
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300 ChangeStateOrNotL(); |
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301 } |
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302 ChangeCba(); |
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303 } |
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304 } |
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305 } |
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306 |
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307 // --------------------------------------------------------- |
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308 // change the state or not |
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309 // --------------------------------------------------------- |
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310 // |
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311 void TAknFepInputStateCandidatePinyinPhraseCreation::ChangeStateOrNotL() |
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312 { |
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313 MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow(); |
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314 MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane(); |
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315 TPtrC text = candidatePane->CurrentPhraseCandidate(); |
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316 if ( text.Length() ) |
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317 { |
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318 CDesCArrayFlat* chooseChineseCharacterArray = |
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319 popup->ChooseChineseCharacterArray(); |
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320 //here need Commit text to EEP and change |
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321 //state to EEP entry state if keystroke is empty |
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322 //else keep spelling state |
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323 if ( chooseChineseCharacterArray->Count() < KMaxPhraseCreationCount ) |
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324 { |
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325 if ( !CommitInlineEEPL( text ) ) |
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326 { |
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327 popup->SetChangeState( ETrue ); |
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328 iOwner->ChangeState( EKeySequenceEdit ); |
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329 TBool visible = |
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330 ( chooseChineseCharacterArray->Count() == KMaxPhraseCreationCount ); |
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331 UIContainer()->SetControlInVisible( visible ); |
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332 } |
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333 else |
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334 { |
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335 if ( !popup->IsEnabled() ) |
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336 { |
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337 popup->Enable( ETrue ); |
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338 } |
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339 if ( !GetValidKeystroke() ) |
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340 { |
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341 UIContainer()->SetControlInVisible( EFalse ); |
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342 popup->SetChangeState( ETrue ); |
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343 iOwner->ChangeState( EKeySequenceEdit ); |
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344 } |
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345 else |
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346 { |
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347 popup->SetChangeState( ETrue ); |
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348 iOwner->ChangeState( ESpellingSelection ); |
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349 } |
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350 } |
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351 } |
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352 else |
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353 { |
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354 popup->SetChangeState( ETrue ); |
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355 iOwner->ChangeState( EKeySequenceEdit ); |
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356 } |
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357 } |
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358 else |
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359 { |
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360 // No candidates available. Back to Entry state. |
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361 popup->SetChangeState( ETrue ); |
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362 iOwner->ChangeState( EKeySequenceEdit ); |
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363 } |
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364 } |
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365 |
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366 |
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367 // End of file |
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