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: Methods for Landmark editor number field. |
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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 // INCLUDE FILES |
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25 #include "CLmkEditorNumberField.h" |
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26 #include "MLmkEditorUiBuilder.h" |
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27 #include "LmkConsts.h" |
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28 #include "landmarks.hrh" |
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29 #include <eikcapc.h> |
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30 #include <e32math.h> |
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31 #include <aknuniteditor.h> |
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32 #include <barsread.h> |
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33 #include <lmkui.rsg> |
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34 #include "clmkcentralrepository.h" |
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35 #include <locnotprefplugindomaincrkeys.h> |
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36 #include <centralrepository.h> |
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37 #include <CLmkEditorDlg.h> |
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38 |
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39 //================== CONSTANTS=============================== |
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40 const TReal KFootToMeterFraction = 0.3048; |
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41 // ================= MEMBER FUNCTIONS ======================= |
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42 |
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43 // ---------------------------------------------------- |
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44 // CLmkEditorNumberField::CLmkEditorNumberField |
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45 // ---------------------------------------------------- |
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46 // |
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47 CLmkEditorNumberField::CLmkEditorNumberField |
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48 ( MLmkFieldData& aField, |
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49 MLmkEditorUiBuilder& aUiBuilder ) : |
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50 CLmkEditorFieldBase( aField, aUiBuilder ) |
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51 { |
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52 } |
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53 |
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54 // ---------------------------------------------------- |
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55 // CLmkEditorNumberField::ConstructL |
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56 // ---------------------------------------------------- |
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57 // |
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58 void CLmkEditorNumberField::ConstructL() |
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59 { |
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60 iRepository = CLmkCentralRepository::NewL(); |
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61 CreateAvkonUnitEditorL(); |
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62 iCaptionedCtrl = iUiBuilder.LineControl( ControlId() ); |
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63 iCaptionedCtrl->SetTakesEnterKey( ETrue ); |
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64 } |
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65 |
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66 // ---------------------------------------------------- |
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67 // CLmkEditorNumberField::NewL |
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68 // ---------------------------------------------------- |
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69 // |
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70 CLmkEditorNumberField* CLmkEditorNumberField::NewL |
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71 ( MLmkFieldData& aField, |
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72 MLmkEditorUiBuilder& aUiBuilder ) |
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73 { |
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74 CLmkEditorNumberField* self = |
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75 new(ELeave) CLmkEditorNumberField( aField, aUiBuilder ); |
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76 CleanupStack::PushL( self ); |
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77 self->ConstructL(); |
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78 CleanupStack::Pop( self ); |
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79 return self; |
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80 } |
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81 |
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82 // ---------------------------------------------------- |
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83 // CLmkEditorNumberField::~CLmkEditorNumberField |
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84 // ---------------------------------------------------- |
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85 // |
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86 CLmkEditorNumberField::~CLmkEditorNumberField() |
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87 { |
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88 delete iRepository; |
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89 } |
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90 |
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91 // ---------------------------------------------------- |
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92 // CLmkEditorNumberField::SaveFieldL |
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93 // ---------------------------------------------------- |
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94 // |
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95 TBool CLmkEditorNumberField::SaveFieldL() |
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96 { |
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97 TBool result = EFalse; |
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98 TReal32 oldData = LandmarkItemField().FloatData(); |
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99 TReal32 currData = iControl->Value(); |
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100 if( oldData != currData) |
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101 { |
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102 if (!IsSystemUnitMetric()) |
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103 { |
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104 if (LandmarkItemField().FieldType() == EPositionAccuracy |
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105 || LandmarkItemField().FieldType() == EAltitudeAccuracy) |
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106 { |
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107 if (currData < (KMinAccuracy / KFootToMeterFraction)) |
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108 { |
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109 currData = (KMinAccuracy / KFootToMeterFraction); |
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110 } |
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111 else if (currData > (KMaxAccuracy / KFootToMeterFraction)) |
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112 { |
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113 currData = (KMaxAccuracy / KFootToMeterFraction); |
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114 } |
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115 } |
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116 else if (LandmarkItemField().FieldType() == EAltitude) |
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117 { |
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118 if (currData < (KMinAltitude / KFootToMeterFraction)) |
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119 { |
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120 currData = (KMinAltitude / KFootToMeterFraction); |
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121 } |
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122 else if (currData > (KMaxAltitude / KFootToMeterFraction)) |
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123 { |
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124 currData = (KMaxAltitude / KFootToMeterFraction); |
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125 } |
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126 } |
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127 |
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128 ConvertFromFootToMeters(currData); |
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129 } |
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130 else |
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131 { |
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132 if (LandmarkItemField().FieldType() == EPositionAccuracy |
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133 || LandmarkItemField().FieldType() == EAltitudeAccuracy) |
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134 { |
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135 if (currData < KMinAccuracy) |
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136 { |
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137 currData = KMinAccuracy; |
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138 } |
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139 else if (currData > KMaxAccuracy) |
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140 { |
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141 currData = KMaxAccuracy; |
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142 } |
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143 } |
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144 |
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145 else if (LandmarkItemField().FieldType() == EAltitude) |
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146 { |
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147 if (currData < KMinAltitude) |
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148 { |
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149 currData = KMinAltitude; |
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150 } |
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151 else if (currData > KMaxAltitude) |
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152 { |
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153 currData = KMaxAltitude; |
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154 } |
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155 } |
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156 } |
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157 |
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158 LandmarkItemField().SetTReal(currData); |
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159 result = ETrue; |
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160 } |
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161 return result; |
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162 } |
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163 |
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164 // ---------------------------------------------------- |
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165 // CLmkEditorNumberField::ActivateL |
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166 // ---------------------------------------------------- |
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167 // |
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168 void CLmkEditorNumberField::ActivateL() |
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169 { |
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170 iCaptionedCtrl->ActivateL(); |
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171 } |
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172 |
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173 // ---------------------------------------------------- |
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174 // CLmkEditorNumberField::UpdateL |
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175 // ---------------------------------------------------- |
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176 // |
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177 void CLmkEditorNumberField::UpdateL() |
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178 { |
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179 TReal32 fieldData = LandmarkItemField().FloatData(); |
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180 TReal32 dispData = fieldData; |
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181 if( fieldData == iDbData) |
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182 { |
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183 dispData = iConvertedData; |
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184 } |
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185 else |
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186 { |
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187 if( !IsSystemUnitMetric()) |
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188 { |
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189 //Imperial |
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190 iDbData = fieldData; |
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191 ConvertFromMetersToFoot( fieldData); |
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192 iConvertedData = fieldData; |
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193 dispData = iConvertedData; |
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194 } |
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195 } |
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196 |
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197 ResolveUnitL(); |
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198 iControl->SetValue( dispData ); |
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199 } |
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200 |
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201 // ---------------------------------------------------- |
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202 // CLmkEditorNumberField::CreateAvkonUnitEditorL |
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203 // ---------------------------------------------------- |
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204 // |
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205 void CLmkEditorNumberField::CreateAvkonUnitEditorL() |
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206 { |
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207 // Create Distance editor using AVKON's unit editor |
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208 // and insert a line in the dialog |
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209 iControl = static_cast<CAknUnitEditor*>( iUiBuilder.CreateLineL( |
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210 FieldLabel(), LandmarkItemField().UniqueFieldIdentity(), |
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211 EAknCtUnitEditor ) ); |
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212 |
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213 |
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214 |
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215 // Obtain the current system of measurement |
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216 TInt sysOfMeasurement = EAknUnitEditorMeter; |
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217 if( !IsSystemUnitMetric()) |
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218 { |
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219 sysOfMeasurement = EAknUnitEditorFoot; |
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220 } |
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221 |
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222 //read control from resource file. |
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223 TResourceReader reader; |
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224 if( sysOfMeasurement == EAknUnitEditorMeter) |
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225 { |
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226 iEnv->CreateResourceReaderLC(reader, R_LMK_UNIT_EDITOR_METRIC); |
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227 } |
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228 else |
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229 { |
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230 iEnv->CreateResourceReaderLC(reader, R_LMK_UNIT_EDITOR_IMPERIAL); |
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231 } |
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232 |
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233 iControl->ConstructFromResourceL(reader); |
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234 CleanupStack::PopAndDestroy(); //reader |
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235 ResolveUnitL(); |
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236 |
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237 /* |
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238 if ( LandmarkItemField().FieldType() == EPositionAccuracy || |
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239 LandmarkItemField().FieldType() == EAltitudeAccuracy ) |
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240 { |
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241 if( EAknUnitEditorMeter == sysOfMeasurement ) |
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242 { |
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243 iControl->SetMinimumAndMaximum(KMinAccuracy, KMaxAccuracy); |
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244 } |
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245 else |
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246 { |
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247 iControl->SetMinimumAndMaximum( KMinAccuracy / KFootToMeterFraction, |
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248 KMaxAccuracy / KFootToMeterFraction ); |
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249 } |
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250 |
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251 } |
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252 else if ( LandmarkItemField().FieldType() == EAltitude ) |
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253 { |
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254 if( EAknUnitEditorMeter == sysOfMeasurement ) |
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255 { |
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256 iControl->SetMinimumAndMaximum( KMinAltitude, KMaxAltitude ); |
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257 } |
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258 else |
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259 { |
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260 iControl->SetMinimumAndMaximum( KMinAltitude / KFootToMeterFraction, |
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261 KMaxAltitude / KFootToMeterFraction ); |
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262 } |
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263 } |
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264 */ |
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265 |
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266 TReal32 fieldData = LandmarkItemField().FloatData(); |
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267 iDbData = fieldData; |
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268 iConvertedData = fieldData; |
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269 |
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270 if( EAknUnitEditorFoot == sysOfMeasurement ) |
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271 { |
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272 //Imperial |
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273 ConvertFromMetersToFoot( fieldData); |
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274 iConvertedData = fieldData; |
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275 } |
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276 iControl->SetValue(iConvertedData); |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 //CLmkEditorNumberField::FieldValue() |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 TReal CLmkEditorNumberField::FieldValue() const |
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284 { |
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285 return iControl->Value(); |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 //CLmkEditorNumberField::ResolveUnitL() |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void CLmkEditorNumberField::ResolveUnitL() |
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293 { |
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294 TReal fieldData = LandmarkItemField().FloatData(); |
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295 |
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296 if( IsSystemUnitMetric()) |
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297 { |
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298 TInt fieldUnit = EAknUnitEditorMeter; |
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299 iControl->SetUnitL( fieldUnit ); |
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300 } |
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301 else |
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302 { |
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303 TInt fieldUnit = EAknUnitEditorFoot; |
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304 iControl->SetUnitL( fieldUnit ); |
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305 } |
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306 } |
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307 |
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308 // ----------------------------------------------------------------------------- |
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309 //CLmkEditorNumberField::ConvertFromFootToMeters() |
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310 // ----------------------------------------------------------------------------- |
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311 // |
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312 void CLmkEditorNumberField::ConvertFromFootToMeters(TReal32& aValue) |
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313 { |
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314 |
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315 aValue *= KFootToMeterFraction; |
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316 |
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317 } |
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318 |
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319 // ----------------------------------------------------------------------------- |
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320 //CLmkEditorNumberField::ConvertFromMetersToFoot() |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 void CLmkEditorNumberField::ConvertFromMetersToFoot(TReal32& aValue) |
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324 { |
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325 |
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326 aValue /= KFootToMeterFraction; |
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327 |
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328 } |
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329 |
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330 // ----------------------------------------------------------------------------- |
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331 //CLmkEditorNumberField::IsSystemUnitMetric() |
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332 // ----------------------------------------------------------------------------- |
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333 // |
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334 TBool CLmkEditorNumberField::IsSystemUnitMetric() |
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335 { |
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336 TBool result = EFalse; |
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337 TInt keyValue; |
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338 TInt err = iRepository->GetKeyValue( KLocSystemofMeasurements, keyValue ); |
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339 if( keyValue == EUnitsMetric ) |
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340 { |
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341 result = ETrue; |
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342 } |
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343 return result; |
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344 } |
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345 |
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346 |
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347 // ----------------------------------------------------------------------------- |
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348 //CLmkEditorNumberField::HandleUnitChangeL() |
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349 // ----------------------------------------------------------------------------- |
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350 // |
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351 void CLmkEditorNumberField::HandleUnitChangeL() |
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352 { |
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353 // Obtain the current system of measurement |
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354 TInt sysOfMeasurement = EAknUnitEditorMeter; |
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355 if( !IsSystemUnitMetric()) |
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356 { |
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357 sysOfMeasurement = EAknUnitEditorFoot; |
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358 } |
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359 |
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360 TReal32 controlData = iControl->Value(); |
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361 if( controlData != iConvertedData) |
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362 { |
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363 iConvertedData = controlData; |
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364 } |
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365 |
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366 if( EAknUnitEditorMeter == sysOfMeasurement ) |
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367 { |
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368 |
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369 //Imperial to metric |
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370 ConvertFromFootToMeters( iConvertedData ); |
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371 } |
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372 else |
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373 { |
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374 //metric to imperial |
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375 ConvertFromMetersToFoot( iConvertedData ); |
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376 } |
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377 |
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378 if ( LandmarkItemField().FieldType() == EPositionAccuracy || |
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379 LandmarkItemField().FieldType() == EAltitudeAccuracy ) |
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380 { |
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381 if( EAknUnitEditorMeter == sysOfMeasurement ) |
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382 { |
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383 iControl->SetMinimumAndMaximum(KMinAccuracy, KMaxAccuracy); |
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384 } |
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385 else |
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386 { |
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387 iControl->SetMinimumAndMaximum( KMinAccuracy / KFootToMeterFraction, |
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388 KMaxAccuracy / KFootToMeterFraction ); |
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389 } |
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390 } |
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391 else if ( LandmarkItemField().FieldType() == EAltitude ) |
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392 { |
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393 if( EAknUnitEditorMeter == sysOfMeasurement ) |
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394 { |
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395 iControl->SetMinimumAndMaximum( KMinAltitude, KMaxAltitude ); |
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396 } |
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397 else |
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398 { |
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399 iControl->SetMinimumAndMaximum( KMinAltitude / KFootToMeterFraction, |
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400 KMaxAltitude / KFootToMeterFraction ); |
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401 } |
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402 } |
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403 ResolveUnitL(); |
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404 iControl->SetValue( iConvertedData ); |
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405 } |
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406 |
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407 // ----------------------------------------------------------------------------- |
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408 //CLmkEditorFieldBase::ResetL() |
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409 // ----------------------------------------------------------------------------- |
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410 // |
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411 void CLmkEditorNumberField::ResetL() |
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412 { |
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413 TRealX temp; |
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414 temp.SetNaN(); |
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415 iControl->SetValue(temp); |
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416 } |
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417 // End of File |
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