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: Profile index handler (for use of Settings Container |
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15 * if multiple profiles are edited) |
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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 // INCLUDES |
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21 #include "CProfileIndexHandler.h" |
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22 |
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23 #include <MProfilesNamesArray.h> |
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24 #include <eiklbx.h> |
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25 |
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26 #include "CProfileEngineHandler.h" |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CProfileIndexHandler::CProfileIndexHandler |
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32 // C++ constructor can NOT contain any code, that might leave. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CProfileIndexHandler::CProfileIndexHandler( |
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36 CProfileEngineHandler& aEngineHandler ) |
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37 : iEngineHandler( aEngineHandler ) |
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38 { |
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39 } |
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40 |
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41 void CProfileIndexHandler::ConstructL() |
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42 { |
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43 } |
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44 |
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45 EXPORT_C CProfileIndexHandler* CProfileIndexHandler::NewL( |
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46 CProfileEngineHandler& aEngineHandler ) |
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47 { |
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48 CProfileIndexHandler* self = |
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49 new( ELeave ) CProfileIndexHandler( aEngineHandler ); |
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50 CleanupStack::PushL( self ); |
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51 self->ConstructL(); |
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52 CleanupStack::Pop( self ); |
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53 return self; |
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54 } |
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55 |
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56 CProfileIndexHandler::~CProfileIndexHandler() |
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57 { |
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58 iIndexArray.Close(); |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CProfileIndexHandler::CurrentProfileIndex |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 EXPORT_C TInt CProfileIndexHandler::CurrentProfileIndex() const |
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66 { |
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67 return iCurrentProfileIndex; |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CProfileIndexHandler::SetCurrentProfileIndex |
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72 // Note that there is no boundary checking. |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 EXPORT_C void CProfileIndexHandler::SetCurrentProfileIndex( TInt aIndex ) |
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76 { |
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77 iCurrentProfileIndex = aIndex; |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CProfileIndexHandler::CreateIndexArrayL |
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82 // Resets the index array and populates it with zeroes |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CProfileIndexHandler::CreateIndexArrayL() |
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86 { |
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87 iIndexArray.Reset(); |
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88 TItem item = { 0, 0 }; |
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89 TInt count( iEngineHandler.IdArray()->MdcaCount() ); |
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90 while( --count >= 0 ) |
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91 { |
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92 User::LeaveIfError( iIndexArray.Append( item ) ); |
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93 } |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CProfileIndexHandler::StoreIndices |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CProfileIndexHandler::StoreIndices() |
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101 { |
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102 if( !iListBox ) |
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103 { |
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104 return; |
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105 } |
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106 |
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107 TItem& item = iIndexArray[iCurrentProfileIndex]; |
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108 item.iIndex = iListBox->View()->CurrentItemIndex(); |
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109 item.iTopIndex = iListBox->View()->TopItemIndex() - item.iIndex; |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CProfileIndexHandler::LoadIndices |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 void CProfileIndexHandler::LoadIndices() |
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117 { |
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118 if( !iListBox ) |
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119 { |
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120 return; |
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121 } |
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122 |
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123 const TInt KMaxLastIndex( 2 ); // Three items fit to screen at the same time |
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124 |
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125 TInt lastIndex( iListBox->Model()->MatchableTextArray()->MdcaCount() - 1 ); |
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126 |
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127 TItem item = iIndexArray[iCurrentProfileIndex]; |
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128 if( item.iIndex > lastIndex ) |
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129 { |
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130 item.iIndex = lastIndex; |
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131 } |
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132 if( item.iIndex < 0 ) |
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133 { |
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134 item.iIndex = 0; |
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135 } |
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136 item.iTopIndex += item.iIndex; |
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137 if( item.iTopIndex > lastIndex - KMaxLastIndex ) |
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138 { |
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139 item.iTopIndex = lastIndex - KMaxLastIndex; |
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140 } |
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141 if( item.iTopIndex < 0 ) |
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142 { |
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143 item.iTopIndex = 0; |
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144 } |
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145 |
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146 iListBox->View()->SetCurrentItemIndex( item.iIndex ); |
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147 iListBox->View()->SetTopItemIndex( item.iTopIndex ); |
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148 iListBox->DrawDeferred(); |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CProfileIndexHandler::IndexAt |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 TInt CProfileIndexHandler::IndexAt( TInt aIndex ) const |
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156 { |
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157 return iIndexArray[aIndex].iIndex; |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // CProfileIndexHandler::TopIndexAt |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 TInt CProfileIndexHandler::TopIndexAt( TInt aIndex ) const |
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165 { |
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166 return iIndexArray[aIndex].iTopIndex; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CProfileIndexHandler::RemoveAndInsert |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 TInt CProfileIndexHandler::RemoveAndInsert( |
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174 TInt aOldIndex, TInt aNewIndex, TInt aIndexValue, TInt aTopIndexValue ) |
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175 { |
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176 TInt count( iIndexArray.Count() ); |
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177 if( aOldIndex < 0 || aOldIndex >= count ) |
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178 { |
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179 return KErrNotFound; |
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180 } |
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181 if( aNewIndex < 0 || aNewIndex > count ) |
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182 { |
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183 return KErrArgument; |
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184 } |
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185 iIndexArray.Remove( aOldIndex ); |
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186 TItem item = { aIndexValue, aTopIndexValue }; |
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187 iIndexArray.Insert( item, aNewIndex ); |
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188 return KErrNone; |
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189 } |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CProfileIndexHandler::SetListBox |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 void CProfileIndexHandler::SetListBox( CEikListBox* aListBox ) |
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196 { |
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197 iListBox = aListBox; |
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198 } |
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199 |
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200 // ----------------------------------------------------------------------------- |
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201 // CProfileIndexHandler::ReadIdArrayAndUpdateL |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 TInt CProfileIndexHandler::ReadIdArrayAndUpdateL() |
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205 { |
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206 // Index of the profile before the engine rearranges the profiles. |
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207 TInt oldProfileIndex( iCurrentProfileIndex ); |
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208 |
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209 // ID of the profile so that we can find it after the engine |
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210 // rearranges the profiles. |
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211 TInt profileId( iEngineHandler.IdForIndex( oldProfileIndex ) ); |
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212 |
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213 // Store the indices for edited profile. |
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214 StoreIndices(); |
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215 |
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216 TInt newItemIndex( IndexAt( oldProfileIndex ) ); |
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217 TInt newTopItemIndex( TopIndexAt( oldProfileIndex ) ); |
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218 |
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219 // Refresh profile names. Order of the profiles may change. |
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220 iEngineHandler.ReadIdArrayL(); |
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221 |
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222 // Find out which of the profiles is now the edited profile |
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223 TInt newProfileIndex( iEngineHandler.IdArray()->FindById( profileId ) ); |
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224 |
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225 // Set it to current profile |
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226 SetCurrentProfileIndex( newProfileIndex ); |
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227 |
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228 // Update indices |
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229 User::LeaveIfError( RemoveAndInsert( oldProfileIndex, newProfileIndex, |
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230 newItemIndex, newTopItemIndex ) ); |
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231 |
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232 return newProfileIndex; |
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233 } |
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234 |
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235 // End of File |
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