1 /* |
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2 * Copyright (c) 2002-2006 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: This is a base class for Selector implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <avkon.mbg> |
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22 #include <AknsConstants.h> |
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23 #include <aknlists.h> |
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24 #include <eikclbd.h> |
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25 #include <AknIconArray.h> |
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26 #include <StringLoader.h> |
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27 #include <landmarks.rsg> |
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28 #include <aknsfld.h> |
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29 #include <aknlayout.cdl.h> |
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30 #include "LmkConsts.h" |
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31 #include "CLmkSelectorIconMgr.h" |
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32 #include "MLmkListMemento.h" |
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33 #include "CLmkUiUtils.h" |
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34 #include "CLmkSingleGraphicLBModel.h" |
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35 #include "CLmkDoubleGraphicLBModel.h" |
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36 #include "CLmkAppSelectorImplBase.h" |
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37 #include "MLmkMskObserver.h" |
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38 #include "CLmkLmItemListProvider.h" |
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39 #include <lmkerrors.h> |
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40 |
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41 #include <lmkui.rsg> |
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42 |
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43 |
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44 const TInt KTextLimit( 40 ); |
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45 _LIT(KFetchingData, " "); |
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46 #if defined(_DEBUG) |
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47 // CONSTANTS |
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48 /// Unnamed namespace for local definitions |
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49 namespace { |
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50 |
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51 _LIT( KPanicMsg, "CLmkAppSelectorImplBase" ); |
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52 |
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53 void Panic( TPanicCode aReason ) |
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54 { |
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55 User::Panic( KPanicMsg, aReason ); |
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56 } |
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57 } // namespace |
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58 |
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59 #endif |
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60 // ============================ MEMBER FUNCTIONS =============================== |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CLmkAppSelectorImplBase::CLmkAppSelectorImplBase |
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64 // C++ default constructor can NOT contain any code, that |
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65 // might leave. |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CLmkAppSelectorImplBase::CLmkAppSelectorImplBase( |
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69 CPosLandmarkDatabase& aDb, |
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70 TBool aFindBox ) |
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71 : CLmkSelectorImplBase( aDb ), |
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72 iFindBox( aFindBox ) |
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73 { |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CLmkAppSelectorImplBase::BaseConstructL |
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78 // Symbian 2nd phase constructor can leave. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CLmkAppSelectorImplBase::BaseConstructL() |
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82 { |
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83 CLmkSelectorImplBase::BaseConstructL(); |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CLmkAppSelectorImplBase::~CLmkAppSelectorImplBase |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 CLmkAppSelectorImplBase::~CLmkAppSelectorImplBase() |
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91 { |
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92 delete iListBox; |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CLmkAppSelectorImplBase::StoreMemento |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 EXPORT_C void CLmkAppSelectorImplBase::StoreMemento() |
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100 { |
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101 __ASSERT_DEBUG( iListBox && iListProvider, Panic( KLmkPanicNullMember ) ); |
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102 Store( *iListBox, *iListProvider, iFindBox ); |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CLmkAppSelectorImplBase::RestoreMemento |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 EXPORT_C void CLmkAppSelectorImplBase::RestoreMemento() |
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110 { |
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111 __ASSERT_DEBUG( iListBox && iListProvider, Panic( KLmkPanicNullMember ) ); |
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112 Restore( *iListBox, *iListProvider, iFindBox ); |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // CLmkAppSelectorImplBase::ListVisibleItemCount |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 TInt CLmkAppSelectorImplBase::ListVisibleItemCount() |
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120 { |
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121 __ASSERT_DEBUG( iListBox, Panic( KLmkPanicNullMember ) ); |
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122 return iListBox->Model()->NumberOfItems(); |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // CLmkAppSelectorImplBase::ListMarkedItemCountL |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 TInt CLmkAppSelectorImplBase::ListMarkedItemCountL() |
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130 { |
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131 __ASSERT_DEBUG( iListBox, Panic( KLmkPanicNullMember ) ); |
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132 const CArrayFix<TInt>* markedIndexes = NULL; |
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133 if ( iFindBox ) |
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134 { |
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135 CAknFilteredTextListBoxModel* model = |
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136 static_cast<CAknFilteredTextListBoxModel*>( iListBox->Model() ); |
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137 model->Filter()->UpdateSelectionIndexesL(); |
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138 markedIndexes = model->Filter()->SelectionIndexes(); |
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139 } |
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140 else |
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141 { |
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142 markedIndexes = iListBox->SelectionIndexes(); |
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143 } |
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144 return markedIndexes->Count(); |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // CLmkAppSelectorImplBase::CreateListBoxL |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 CEikTextListBox& CLmkAppSelectorImplBase::CreateListBoxL( |
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152 CCoeControl* aParent, |
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153 TInt aControlType, |
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154 TInt aFlags, |
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155 TInt aEmptyLBPrimResource,TInt aEmptyLBSecResource ) |
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156 { |
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157 if ( iListBox ) |
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158 { |
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159 delete iListBox; |
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160 iListBox = NULL; |
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161 } |
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162 |
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163 // For maintaining empty listbox resource |
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164 iEmptyLBPrimResource = aEmptyLBPrimResource; |
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165 iEmptyLBSecResource = aEmptyLBSecResource; |
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166 |
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167 TBool isFormattedCellListBox = EFalse; |
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168 switch ( aControlType ) |
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169 { |
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170 case EAknCtSingleGraphicListBox: |
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171 { |
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172 iListBox = new( ELeave ) CAknSingleGraphicStyleListBox; |
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173 break; |
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174 } |
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175 case EAknCtDoubleGraphicListBox: |
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176 { |
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177 iListBox = new( ELeave ) CAknDoubleGraphicStyleListBox; |
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178 isFormattedCellListBox = ETrue; |
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179 break; |
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180 } |
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181 default: |
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182 { |
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183 User::Leave( KErrNotSupported ); |
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184 break; |
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185 } |
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186 } |
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187 |
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188 iListBox->SetMopParent(aParent); |
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189 iListBox->SetParent(aParent); |
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190 iListBox->ConstructL( aParent, aFlags ); |
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191 |
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192 HBufC* textForFetchingData; |
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193 textForFetchingData = HBufC::NewL(20); |
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194 CleanupStack::PushL(textForFetchingData); // textForFetchingData |
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195 *textForFetchingData = KFetchingData; |
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196 iListBox->View()->SetListEmptyTextL( *textForFetchingData); |
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197 CleanupStack::PopAndDestroy(); // textForFetchingData. |
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198 |
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199 // create icon array & icons |
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200 CAknIconArray* icons = SetupIconMgrLC(); |
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201 TFileName* iconFile = CLmkUiUtils::AvkonIconFileLC(); |
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202 iIconMgr->SetIconAtIndexZeroL( *iconFile, |
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203 KAknsIIDQgnIndiMarkedAdd, |
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204 EMbmAvkonQgn_indi_marked_add, |
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205 EMbmAvkonQgn_indi_marked_add_mask ); |
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206 |
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207 if ( isFormattedCellListBox ) |
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208 { |
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209 ( static_cast<CEikFormattedCellListBox*>( iListBox ) ) |
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210 ->ItemDrawer()->FormattedCellData()->SetIconArray( icons ); |
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211 ((CEikFormattedCellListBox*)iListBox)->ItemDrawer()->FormattedCellData() |
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212 ->EnableMarqueeL( ETrue ); |
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213 } |
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214 else |
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215 { |
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216 ( static_cast<CEikColumnListBox*>( iListBox ) ) |
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217 ->ItemDrawer()->ColumnData()->SetIconArray( icons ); |
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218 ((CEikColumnListBox*)iListBox)->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue ); |
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219 } |
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220 CleanupStack::PopAndDestroy(); // iconFile |
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221 CleanupStack::Pop( icons ); // ownership was transferred |
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222 |
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223 // create listbox model for listbox |
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224 CreateListBoxModelL( *iListBox, aControlType, *iListProvider ); |
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225 return *iListBox; |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CLmkAppSelectorImplBase::HandleListProviderEvent |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 void CLmkAppSelectorImplBase::HandleListProviderEvent( |
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233 TLmkListProviderEventType aEvent ) |
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234 { |
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235 if( !iListBox ) |
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236 return; |
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237 |
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238 if ( aEvent == ELmkEventItemAdditionComplete ) |
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239 { |
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240 TRAPD( error, iListBox->HandleItemAdditionL() ); |
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241 if ( error != KErrNone ) |
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242 { |
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243 iListBox->Reset(); |
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244 iListBox->DrawNow(); |
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245 } |
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246 return; |
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247 } |
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248 if ( aEvent == ELmkEventListReady || aEvent == ELmkEventFindListReady ) |
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249 { |
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250 TBool handled( EFalse ); |
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251 TRAPD( error, handled = HandleEventListReadyL() ); |
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252 if ( !handled || error != KErrNone ) |
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253 { |
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254 //CLmkLmItemListProvider& lstpr = static_cast<CLmkLmItemListProvider&>( *iListProvider ); |
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255 //TInt currentItemIndex = lstpr.SelectedIndex(iNewLmkItemId); //iListBox->CurrentItemIndex(); |
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256 TInt currentItemIndex = iListBox->CurrentItemIndex(); |
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257 TRAP( error, iListBox->HandleItemAdditionL() ); |
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258 if( currentItemIndex >= 0 && currentItemIndex < iListBox->Model()->NumberOfItems() ) |
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259 iListBox->SetCurrentItemIndex(currentItemIndex); |
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260 if ( error != KErrNone ) |
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261 { |
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262 iListBox->DrawNow(); |
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263 } |
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264 } |
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265 } |
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266 |
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267 TInt count = static_cast<CTextListBoxModel*>(iListBox->Model())->ItemTextArray()->MdcaCount(); |
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268 if( count == 0 ) |
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269 { |
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270 TRAPD( error, MakeEmptyTextListBoxL( *iListBox, iEmptyLBPrimResource,iEmptyLBSecResource )); |
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271 if( error != KErrNone ) |
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272 { |
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273 return; |
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274 } |
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275 } |
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276 |
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277 //Enable Find box only if at least one item is there in the list box |
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278 if( count ) |
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279 { |
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280 if( aEvent != ELmkEventFindListReady ) |
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281 { |
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282 TRAP_IGNORE( ShowFindBoxL( ETrue ) ); |
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283 } |
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284 CLmkSelectorImplBase::HandleListProviderEvent( aEvent ); |
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285 } |
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286 else |
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287 { |
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288 if ( aEvent == ELmkEventFindListReady ) |
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289 { |
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290 TRAPD( error, MakeEmptyTextListBoxL( *iListBox, iEmptyLBPrimResource,iEmptyLBSecResource, ETrue )); |
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291 if( error != KErrNone ) |
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292 { |
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293 return; |
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294 } |
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295 } |
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296 else |
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297 { |
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298 TRAPD( error, MakeEmptyTextListBoxL( *iListBox, iEmptyLBPrimResource,iEmptyLBSecResource )); |
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299 if( error != KErrNone ) |
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300 { |
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301 return; |
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302 } |
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303 TRAP_IGNORE( ShowFindBoxL( EFalse ) ); |
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304 } |
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305 } |
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306 if(iMskObserver) |
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307 { |
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308 TRAP_IGNORE(iMskObserver->UpdateMskContainerL()); |
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309 } |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CLmkAppSelectorImplBase::HandleListProviderError |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 void CLmkAppSelectorImplBase::HandleListProviderError( TInt /*aError*/ ) |
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317 { |
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318 if ( iListBox ) |
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319 { |
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320 iListBox->Reset(); |
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321 TRAPD( error, iListBox->HandleItemAdditionL() ); |
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322 if ( error != KErrNone ) |
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323 { |
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324 iListBox->DrawNow(); |
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325 } |
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326 } |
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327 } |
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328 |
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329 // ---------------------------------------------------- |
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330 // CLmkAppSelectorImplBase::MakeEmptyTextListBoxL |
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331 // ---------------------------------------------------- |
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332 // |
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333 void CLmkAppSelectorImplBase::MakeEmptyTextListBoxL( |
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334 CEikTextListBox& aListBox, |
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335 TInt aResourcePrimText ,TInt aResourceSecText, TBool aRequestFromFindBox ) const |
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336 { |
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337 _LIT( KNChar,"\n" ); |
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338 |
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339 if (aRequestFromFindBox) |
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340 { |
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341 HBufC* text1 = StringLoader::LoadLC( R_LMK_EMPTY_NO_MATCH, const_cast<CEikonEnv *>( iEnv )); |
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342 TPtr ptr1 = text1->Des(); |
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343 aListBox.View()->SetListEmptyTextL( ptr1 ); |
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344 CleanupStack::PopAndDestroy(text1); |
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345 } |
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346 else |
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347 { |
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348 HBufC* text1 = StringLoader::LoadLC( aResourcePrimText, const_cast<CEikonEnv *>( iEnv )); |
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349 HBufC* text2 = StringLoader::LoadLC( aResourceSecText, const_cast<CEikonEnv *>( iEnv )); |
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350 |
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351 TPtr ptr1 = text1->Des(); |
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352 TPtr ptr2 = text2->Des(); |
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353 |
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354 HBufC* buffer = HBufC::NewLC(text1->Length() + text2->Length() + 2); |
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355 TPtr textFromResourceFile = buffer->Des(); |
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356 textFromResourceFile.Copy(ptr1); |
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357 textFromResourceFile.Append(KNChar); |
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358 textFromResourceFile.Append(ptr2); |
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359 |
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360 aListBox.View()->SetListEmptyTextL( textFromResourceFile ); |
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361 CleanupStack::PopAndDestroy(3);//buffer,text2,text1 |
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362 } |
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363 } |
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364 |
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365 // ---------------------------------------------------- |
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366 // CLmkAppSelectorImplBase::CreateListBoxModelL |
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367 // ---------------------------------------------------- |
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368 // |
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369 void CLmkAppSelectorImplBase::CreateListBoxModelL( |
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370 CEikTextListBox& aListBox, |
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371 TInt aControlType, |
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372 CLmkListProviderBase& aProvider ) const |
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373 { |
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374 CLmkSelectorLBModelBase* lbModel = NULL; |
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375 // create listbox model, pass ownership |
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376 switch( aControlType ) |
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377 { |
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378 case EAknCtSingleGraphicListBox: |
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379 { |
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380 lbModel = CLmkSingleGraphicLBModel::NewL( aProvider ); |
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381 break; |
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382 } |
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383 case EAknCtDoubleGraphicListBox: |
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384 { |
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385 lbModel = CLmkDoubleGraphicLBModel::NewL( aProvider ); |
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386 break; |
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387 } |
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388 default: |
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389 { |
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390 User::Leave( KErrNotSupported ); |
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391 break; |
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392 } |
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393 } |
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394 aListBox.Model()->SetItemTextArray( lbModel ); |
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395 aListBox.Model()->SetOwnershipType( ELbmOwnsItemArray ); |
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396 } |
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397 |
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398 // ---------------------------------------------------- |
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399 // CLmkAppSelectorImplBase::HandleEventListReadyL() |
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400 // ---------------------------------------------------- |
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401 // |
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402 TBool CLmkAppSelectorImplBase::HandleEventListReadyL() |
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403 { |
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404 // default implementation |
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405 return EFalse; |
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406 } |
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407 |
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408 // ---------------------------------------------------- |
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409 // CLmkAppSelectorImplBase::CreateFindBoxL() |
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410 // ---------------------------------------------------- |
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411 // |
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412 EXPORT_C CAknSearchField* CLmkAppSelectorImplBase::CreateFindBoxL( |
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413 const CCoeControl &aParent) |
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414 { |
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415 CAknFilteredTextListBoxModel* model = |
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416 static_cast<CAknFilteredTextListBoxModel*> ( iListBox->Model() ); |
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417 iSearchBox = |
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418 CAknSearchField::NewL( aParent, CAknSearchField::ESearch, NULL, KTextLimit ); |
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419 |
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420 // Creates CAknListBoxFilterItems object. |
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421 model->CreateFilterL( iListBox, iSearchBox ); |
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422 |
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423 #ifdef RD_SCALABLE_UI_V2 |
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424 iFilter = model->Filter(); |
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425 iSearchBox->SetObserver(this); |
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426 #endif// RD_SCALABLE_UI_V2 |
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427 iSearchBox->SetFocus( EFalse ); |
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428 iSearchBox->MakeVisible( EFalse ); //by defult disable the find box |
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429 return iSearchBox; |
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430 } |
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431 |
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432 // ---------------------------------------------------- |
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433 // CLmkAppSelectorImplBase::ShowFindBoxL() |
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434 // ---------------------------------------------------- |
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435 // |
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436 void CLmkAppSelectorImplBase::ShowFindBoxL( TBool aVisible ) |
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437 { |
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438 const TRect rect(iListBox->Parent()->Rect()); |
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439 if (iSearchBox) |
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440 { |
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441 // iSearchBox->ResetL(); |
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442 iSearchBox->SetFocus(aVisible); |
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443 iSearchBox->MakeVisible(aVisible); |
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444 static_cast<CAknColumnListBoxView*> |
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445 (iListBox->View())->SetFindEmptyListState(aVisible); |
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446 |
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447 if (aVisible && iListBox && iSearchBox) |
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448 { |
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449 AknLayoutUtils::LayoutControl(iListBox, rect, |
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450 AKN_LAYOUT_WINDOW_list_gen_pane(1)); |
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451 AknLayoutUtils::LayoutControl(iSearchBox, rect, |
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452 AKN_LAYOUT_WINDOW_find_pane); |
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453 if (iSearchBox->IsVisible() && iListBox->IsVisible()) |
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454 { |
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455 // The correct line position to use is 2, which corresponds |
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456 // EABColumn in Avkon (not a public enumeration, |
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457 // hence hard-coding used here) |
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458 const TInt KSeparatorLinePos = 2; |
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459 iSearchBox->SetLinePos(KSeparatorLinePos); |
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460 } |
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461 } |
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462 else if (iListBox) |
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463 { |
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464 AknLayoutUtils::LayoutControl(iListBox, rect, |
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465 AKN_LAYOUT_WINDOW_list_gen_pane(0)); |
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466 } |
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467 iSearchBox->DrawDeferred(); |
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468 } |
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469 |
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470 if ( !aVisible ) |
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471 { |
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472 iListBox->SetRect(rect); |
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473 iListBox->DrawDeferred(); |
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474 } |
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475 } |
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476 // ---------------------------------------------------- |
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477 // CLmkAppSelectorImplBase::HandleScreenSizeChange() |
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478 // ---------------------------------------------------- |
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479 // |
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480 void CLmkAppSelectorImplBase::HandleScreenSizeChange() |
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481 { |
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482 // Dummy implementation in base class. |
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483 } |
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484 |
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485 // ---------------------------------------------------- |
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486 // CLmkAppLmSelectorImpl::AttachToAIWMenuL() |
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487 // ---------------------------------------------------- |
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488 // |
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489 void CLmkAppSelectorImplBase::AttachToAIWMenuL( |
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490 TInt /*aMenuResourceId*/, |
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491 TInt /*aInterestResourceId*/) |
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492 { |
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493 // Dummy function |
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494 } |
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495 |
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496 // ---------------------------------------------------- |
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497 // CLmkAppSelectorImplBase::AttachInterestL() |
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498 // ---------------------------------------------------- |
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499 // |
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500 void CLmkAppSelectorImplBase::AttachInterestL ( |
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501 TInt /*aInterestResourceId*/) |
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502 { |
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503 // Dummy function |
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504 } |
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505 |
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506 |
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507 // ---------------------------------------------------- |
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508 // CLmkAppLmSelectorImpl::InitializeMenuPaneL() |
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509 // ---------------------------------------------------- |
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510 // |
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511 void CLmkAppSelectorImplBase::InitializeMenuPaneL( |
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512 CEikMenuPane& /*aMenuPane */, |
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513 TInt /* aMenuResourceId */) |
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514 { |
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515 // Dummy function |
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516 } |
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517 |
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518 // ----------------------------------------------------------------------------- |
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519 // CLmkAppLmSelectorImpl::ExecuteAIWCallCmdL() |
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520 // ----------------------------------------------------------------------------- |
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521 // |
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522 void CLmkAppSelectorImplBase::ExecuteAIWCallCmdL( |
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523 TInt /*aCommandId*/ ) |
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524 { |
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525 // Dummy function |
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526 } |
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527 |
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528 // ----------------------------------------------------------------------------- |
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529 // CLmkAppLmSelectorImpl::IsThisLandmarkFieldDefined |
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530 // ----------------------------------------------------------------------------- |
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531 // |
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532 TBool CLmkAppSelectorImplBase::IsLmWithThisFieldExistL ( TLmkAppCmdId /*aFieldId*/) |
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533 { |
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534 // Dummy function |
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535 return EFalse; |
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536 } |
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537 |
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538 // ----------------------------------------------------------------------------- |
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539 // CLmkAppLmSelectorImpl::MarkedIndexes |
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540 // ----------------------------------------------------------------------------- |
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541 // |
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542 EXPORT_C const CArrayFix<TInt>* CLmkAppSelectorImplBase::MarkedIndexes() |
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543 { |
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544 const CArrayFix<TInt>* markedIndexes = NULL; |
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545 markedIndexes = iListBox->SelectionIndexes(); |
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546 return markedIndexes; |
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547 } |
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548 // ----------------------------------------------------------------------------- |
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549 // CLmkAppLmSelectorImpl::CurrentItemIndex |
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550 // ----------------------------------------------------------------------------- |
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551 // |
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552 EXPORT_C TInt CLmkAppSelectorImplBase::CurrentItemIndex() |
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553 { |
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554 return iListBox->CurrentItemIndex(); |
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555 } |
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556 // ----------------------------------------------------------------------------- |
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557 // CLmkAppLmSelectorImpl::SetMskObserver |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 EXPORT_C void CLmkAppSelectorImplBase::SetMskObserver(MLmkMskObserver* aMskObserver) |
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561 { |
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562 iMskObserver = aMskObserver; |
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563 } |
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564 |
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565 // ----------------------------------------------------------------------------- |
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566 // CLmkAppSelectorImplBase::ServiceCmdByMenuCmd |
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567 // ----------------------------------------------------------------------------- |
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568 // |
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569 TInt CLmkAppSelectorImplBase::ServiceCmdByMenuCmd( TInt /*aMenuCmd*/ ) |
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570 { |
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571 //dummy function |
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572 return 0; |
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573 } |
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574 |
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575 CAknSearchField* CLmkAppSelectorImplBase::FindBox() |
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576 { |
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577 return iSearchBox; |
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578 } |
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579 |
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580 #ifdef RD_SCALABLE_UI_V2 |
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581 void CLmkAppSelectorImplBase::HandleControlEventL( CCoeControl* aControl,TCoeEvent aEventType ) |
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582 { |
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583 //Update the listbox a sper the search criteria |
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584 if (iFilter) |
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585 { |
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586 iFilter->HandleControlEventL(aControl, aEventType); |
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587 } |
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588 } |
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589 #endif //RD_SCALABLE_UI_V2 |
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590 // End of File |
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