1 /* |
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2 * Copyright (c) 2002 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: LandmarksUi Content File - |
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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 |
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21 |
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22 |
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23 |
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24 |
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25 // INCLUDE FILES |
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26 #include "CLmkLmItemListMemento.h" |
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27 #include "CLmkLmItemListProvider.h" |
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28 #include <eiklbx.h> |
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29 #include <AknUtils.h> |
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30 #include <lmkerrors.h> |
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31 |
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32 |
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33 // Initial value for iMemorizedCurrentItemId, this is a quick fix for focus on |
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34 // uncategorised category bug. |
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35 //const TInt KIdNotFound = KErrNotFound; |
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36 const TUint32 KInititialValue = 0xFFFFFFFE; |
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37 #if defined(_DEBUG) |
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38 |
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39 // CONSTANTS |
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40 /// Unnamed namespace for local definitions |
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41 namespace { |
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42 |
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43 _LIT( KPanicMsg, "CLmkLmItemListMemento" ); |
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44 |
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45 void Panic( TPanicCode aReason ) |
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46 { |
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47 User::Panic( KPanicMsg, aReason ); |
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48 } |
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49 } // namespace |
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50 |
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51 #endif |
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52 // ============================ MEMBER FUNCTIONS =============================== |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CLmkLmItemListMemento::CLmkLmItemListMemento |
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56 // C++ constructor can NOT contain any code, that |
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57 // might leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CLmkLmItemListMemento::CLmkLmItemListMemento() |
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61 { |
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62 //iMemorizedCurrentItemId = KPosLmNullItemId; |
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63 iMemorizedCurrentItemId = KInititialValue; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CLmkLmItemListMemento::ConstructL |
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68 // Symbian 2nd phase constructor can leave. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 void CLmkLmItemListMemento::ConstructL() |
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72 { |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CLmkLmItemListMemento::NewL |
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77 // Two-phased constructor. |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 CLmkLmItemListMemento* CLmkLmItemListMemento::NewL() |
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81 { |
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82 CLmkLmItemListMemento* self = new( ELeave ) CLmkLmItemListMemento(); |
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83 |
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84 CleanupStack::PushL( self ); |
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85 self->ConstructL(); |
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86 CleanupStack::Pop(); |
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87 |
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88 return self; |
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89 } |
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90 |
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91 // ---------------------------------------------------- |
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92 // CLmkLmItemListMemento::~CLmkLmItemListMemento |
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93 // ---------------------------------------------------- |
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94 // |
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95 CLmkLmItemListMemento::~CLmkLmItemListMemento() |
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96 { |
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97 } |
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98 |
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99 // ---------------------------------------------------- |
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100 // CLmkLmItemListMemento::MemorizedItemId |
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101 // ---------------------------------------------------- |
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102 // |
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103 EXPORT_C TPosLmItemId CLmkLmItemListMemento::MemorizedItemId() const |
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104 { |
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105 return iMemorizedCurrentItemId; |
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106 } |
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107 |
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108 // ---------------------------------------------------- |
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109 // CLmkLmItemListMemento::Store |
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110 // ---------------------------------------------------- |
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111 // |
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112 void CLmkLmItemListMemento::Store( |
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113 const CEikListBox& aListBox, |
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114 const CLmkListProviderBase& aProvider, |
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115 TBool aFiltered ) |
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116 { |
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117 if ( aFiltered ) |
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118 { |
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119 CAknFilteredTextListBoxModel* model = |
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120 static_cast<CAknFilteredTextListBoxModel*>( aListBox.Model() ); |
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121 __ASSERT_DEBUG( model, Panic( KLmkPanicNoLbModel ) ); |
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122 StoreFiltered( aListBox, aProvider, *model ); |
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123 } |
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124 else |
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125 { |
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126 StoreNonFiltered( aListBox, aProvider ); |
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127 } |
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128 } |
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129 |
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130 // ---------------------------------------------------- |
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131 // CLmkLmItemListMemento::Restore |
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132 // ---------------------------------------------------- |
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133 // |
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134 void CLmkLmItemListMemento::Restore( |
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135 const CEikListBox& aListBox, |
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136 const CLmkListProviderBase& aProvider, |
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137 TBool aFiltered ) |
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138 { |
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139 if ( aFiltered ) |
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140 { |
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141 CAknFilteredTextListBoxModel* model = |
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142 static_cast<CAknFilteredTextListBoxModel*>( aListBox.Model() ); |
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143 __ASSERT_DEBUG( model, Panic( KLmkPanicNoLbModel ) ); |
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144 RestoreFiltered( aListBox, aProvider, *model ); |
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145 } |
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146 else |
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147 { |
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148 RestoreNonFiltered( aListBox, aProvider ); |
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149 } |
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150 } |
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151 |
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152 // ---------------------------------------------------- |
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153 // CLmkLmItemListMemento::StoreFiltered |
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154 // ---------------------------------------------------- |
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155 // |
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156 void CLmkLmItemListMemento::StoreFiltered( |
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157 const CEikListBox& aListBox, |
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158 const CLmkListProviderBase& aProvider, |
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159 const CAknFilteredTextListBoxModel& aModel ) |
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160 { |
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161 const CLmkLmItemListProvider& provider = |
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162 static_cast <const CLmkLmItemListProvider&> ( aProvider ); |
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163 if ( aListBox.Model()->NumberOfItems() > 0 && |
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164 aListBox.CurrentItemIndex() >= 0 ) |
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165 { |
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166 iMemorizedCurrentItemIndex = |
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167 aModel.Filter()->FilteredItemIndex( aListBox.CurrentItemIndex() ); |
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168 provider.GetSelectedItemId( iMemorizedCurrentItemId, |
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169 iMemorizedCurrentItemIndex ); |
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170 } |
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171 else |
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172 { |
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173 iMemorizedCurrentItemIndex = 0; |
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174 // iMemorizedCurrentItemId = KPosLmNullItemId; |
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175 iMemorizedCurrentItemId = KInititialValue; |
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176 } |
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177 } |
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178 |
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179 // ---------------------------------------------------- |
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180 // CLmkLmItemListMemento::RestoreFiltered |
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181 // ---------------------------------------------------- |
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182 // |
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183 void CLmkLmItemListMemento::RestoreFiltered( |
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184 const CEikListBox& aListBox, |
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185 const CLmkListProviderBase& aProvider, |
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186 const CAknFilteredTextListBoxModel& /*aModel*/ ) |
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187 { |
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188 const CLmkLmItemListProvider& provider = |
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189 static_cast <const CLmkLmItemListProvider&> ( aProvider ); |
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190 TInt index = provider.SelectedIndex( iMemorizedCurrentItemId ); |
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191 if ( index != KErrNotFound && |
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192 index < aListBox.Model()->NumberOfItems() ) |
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193 { |
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194 aListBox.SetCurrentItemIndex( index ); |
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195 aListBox.ScrollToMakeItemVisible( index ); |
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196 } |
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197 else |
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198 { |
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199 aListBox.SetCurrentItemIndex( 0 ); |
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200 } |
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201 aListBox.DrawDeferred(); |
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202 } |
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203 |
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204 // ---------------------------------------------------- |
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205 // CLmkLmItemListMemento::StoreNonFiltered |
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206 // ---------------------------------------------------- |
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207 // |
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208 void CLmkLmItemListMemento::StoreNonFiltered( |
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209 const CEikListBox& aListBox, |
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210 const CLmkListProviderBase& aProvider ) |
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211 { |
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212 // TODO: these are not used and implementation is quite sketchy. |
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213 // Replace with leave KErrNotSupported if this method won't be used. |
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214 const CLmkLmItemListProvider& provider = |
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215 static_cast <const CLmkLmItemListProvider&> ( aProvider ); |
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216 iMemorizedCurrentItemIndex = aListBox.CurrentItemIndex(); |
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217 provider.GetSelectedItemId( iMemorizedCurrentItemId, |
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218 iMemorizedCurrentItemIndex ); |
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219 iMemorizedTopItemIndex = aListBox.TopItemIndex(); |
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220 } |
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221 |
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222 // ---------------------------------------------------- |
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223 // CLmkLmItemListMemento::RestoreNonFiltered |
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224 // ---------------------------------------------------- |
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225 // |
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226 void CLmkLmItemListMemento::RestoreNonFiltered( |
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227 const CEikListBox& aListBox, |
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228 const CLmkListProviderBase& aProvider ) |
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229 { |
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230 // TODO: these are not used and implementation is quite sketchy. |
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231 // Replace with leave KErrNotSupported if this method won't used. |
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232 const CLmkLmItemListProvider& provider = |
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233 static_cast <const CLmkLmItemListProvider&> ( aProvider ); |
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234 TInt index = provider.SelectedIndex( iMemorizedCurrentItemId ); |
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235 if ( index != KErrNotFound ) |
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236 { |
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237 if ( index == iMemorizedCurrentItemIndex ) |
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238 { |
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239 aListBox.SetCurrentItemIndex( iMemorizedCurrentItemIndex ); |
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240 aListBox.SetTopItemIndex( iMemorizedTopItemIndex ); |
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241 } |
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242 else |
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243 { |
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244 aListBox.ScrollToMakeItemVisible( index ); |
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245 } |
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246 } |
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247 else |
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248 { |
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249 aListBox.SetCurrentItemIndex( 0 ); |
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250 } |
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251 aListBox.DrawDeferred(); |
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252 } |
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253 |
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254 // ---------------------------------------------------- |
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255 // CLmkLmItemListMemento::IsModelAvailable |
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256 // ---------------------------------------------------- |
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257 //anwar |
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258 TBool CLmkLmItemListMemento::IsModelAvailable() |
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259 { |
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260 return iModelAvailable; |
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261 } |
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262 // ---------------------------------------------------- |
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263 // CLmkLmItemListMemento::UpdateModelAvailability |
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264 // ---------------------------------------------------- |
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265 //anwar |
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266 void CLmkLmItemListMemento::UpdateModelAvailability(TBool aModelAvailable) |
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267 { |
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268 iModelAvailable = aModelAvailable; |
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269 } |
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270 // End of File |
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