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1 /* |
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2 * Copyright (c) 2009 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: Field container for UI fields |
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15 * |
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16 */ |
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17 #include "cmrfieldcontainer.h" |
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18 #include "mesmrfieldstorage.h" |
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19 #include "mmrfieldcontainerobserver.h" |
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20 #include "cesmrfield.h" |
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21 |
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22 //DEBUG |
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23 #include "emailtrace.h" |
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24 |
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25 namespace { // codescanner::namespace |
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26 |
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27 /** |
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28 * Vertical scroll margin |
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29 */ |
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30 const TInt KVerticalScrollMargin = 3; |
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31 |
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32 |
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33 // ---------------- |
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34 // IndexByFieldId |
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35 // ---------------- |
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36 // |
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37 TInt IndexByFieldId( const MESMRFieldStorage& aFactory, |
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38 TESMREntryFieldId aFieldId ) |
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39 { |
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40 TInt index( KErrNotFound ); |
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41 TInt count( aFactory.Count() ); |
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42 |
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43 for ( TInt i = 0; i < count; ++i ) |
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44 { |
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45 if ( aFactory.Field( i )->FieldId() == aFieldId ) |
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46 { |
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47 index = i; |
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48 break; |
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49 } |
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50 } |
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51 |
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52 return index; |
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53 } |
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54 } |
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55 |
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56 //----- MEMBER FUNCTIONS ---- |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // CMRFieldContainer::CMRFieldContainer |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CMRFieldContainer::CMRFieldContainer( MESMRFieldStorage& aFactory ) |
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63 : iFactory( aFactory ) |
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64 { |
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65 FUNC_LOG; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // CMRFieldContainer::~CMRFieldContainer |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CMRFieldContainer::~CMRFieldContainer() |
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73 { |
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74 FUNC_LOG; |
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75 // No implementation |
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76 } |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // CMRFieldContainer::NewL |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 CMRFieldContainer* CMRFieldContainer::NewL( |
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83 MESMRFieldStorage& aFactory, |
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84 const CCoeControl& aParent ) |
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85 { |
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86 FUNC_LOG; |
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87 CMRFieldContainer* self = new( ELeave )CMRFieldContainer( aFactory ); |
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88 CleanupStack::PushL( self ); |
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89 self->ConstructL( aParent ); |
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90 CleanupStack::Pop( self ); |
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91 return self; |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // CMRFieldContainer::ConstructL |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CMRFieldContainer::ConstructL( const CCoeControl& aParent ) |
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99 { |
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100 FUNC_LOG; |
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101 CCoeControl::SetComponentsToInheritVisibility( ETrue ); |
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102 SetContainerWindowL( aParent ); |
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103 |
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104 TBool focusSet( EFalse ); |
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105 const TInt count( iFactory.Count() ); |
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106 for ( TInt i = 0; i < count; i++ ) |
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107 { |
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108 iFactory.Field(i)->SetContainerWindowL( *this ); |
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109 } |
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110 |
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111 for ( TInt i = 0; i < count; i++ ) |
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112 { |
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113 CESMRField* field = iFactory.Field( i ); |
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114 |
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115 // Initialize field |
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116 field->InitializeL(); |
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117 User::LeaveIfError( field->SetParent( this ) ); |
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118 |
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119 if ( !focusSet |
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120 && field->IsVisible() |
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121 && !field->IsNonFocusing()) |
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122 { |
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123 field->SetOutlineFocusL( ETrue ); |
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124 focusSet = ETrue; |
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125 iFocusedFieldIndex = i; |
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126 } |
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127 } |
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128 |
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129 for ( TInt i = 0; i < count; i++ ) |
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130 { |
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131 CESMRField* field = iFactory.Field( i ); |
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132 |
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133 field->SetListObserver( this ); |
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134 } |
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135 } |
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136 |
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137 // --------------------------------------------------------------------------- |
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138 // CMRFieldContainer::FocusedItem |
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139 // --------------------------------------------------------------------------- |
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140 // |
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141 CESMRField* CMRFieldContainer::FocusedField() const |
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142 { |
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143 FUNC_LOG; |
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144 /* |
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145 * Returns currently focused field |
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146 */ |
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147 CESMRField* field = NULL; |
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148 if ( iFactory.Count() > 0 ) |
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149 { |
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150 field = iFactory.Field( iFocusedFieldIndex ); |
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151 } |
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152 return field; |
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153 } |
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154 |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // CMRFieldContainer::MoveFocusUpL |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 TKeyResponse CMRFieldContainer::MoveFocusUpL( TBool aHiddenFocus ) |
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161 { |
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162 FUNC_LOG; |
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163 /* |
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164 * Moves focus up after key event. If aHiddenFocus, moves focus |
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165 * to the first visible field in the bottom of the viewable area. |
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166 */ |
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167 |
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168 if( aHiddenFocus ) |
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169 { |
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170 return MoveFocusVisibleL(); |
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171 } |
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172 else |
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173 { |
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174 TInt ind( iFocusedFieldIndex ); |
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175 |
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176 // search next visible focus item |
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177 while ( ind > 0 ) |
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178 { |
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179 CESMRField* field = iFactory.Field( --ind ); |
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180 |
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181 if ( !field->IsNonFocusing() ) |
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182 { |
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183 field = iFactory.Field( ind ); |
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184 |
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185 CESMRField* focusedField = iFactory.Field( iFocusedFieldIndex ); |
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186 if ( field->IsVisible() ) |
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187 { |
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188 TBool canLoseFocus( |
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189 focusedField->OkToLoseFocusL( field->FieldId() ) ); |
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190 |
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191 if ( canLoseFocus ) |
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192 { |
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193 field->SetPreItemIndex( iFocusedFieldIndex ); |
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194 iFocusedFieldIndex = ind; |
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195 field->SetCurrentItemIndex( iFocusedFieldIndex ); |
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196 |
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197 // Remove focus from previous position |
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198 focusedField->SetOutlineFocusL( EFalse ); |
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199 focusedField->SetFocus( EFalse ); |
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200 |
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201 // Set focus to new position |
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202 field->SetOutlineFocusL( ETrue ); |
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203 field->SetFocus( ETrue ); |
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204 |
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205 // Scrollbar and physics update is done here |
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206 ScrollControlVisible( iFocusedFieldIndex ); |
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207 |
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208 DrawDeferred(); |
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209 } |
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210 |
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211 return EKeyWasConsumed; |
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212 } |
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213 } |
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214 } |
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215 return EKeyWasNotConsumed; |
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216 } |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // CMRFieldContainer::MoveFocusDownL |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 TKeyResponse CMRFieldContainer::MoveFocusDownL( TBool aHiddenFocus ) |
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224 { |
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225 FUNC_LOG; |
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226 /* |
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227 * Moves focus down after key event. If aHiddenFocus, moves focus |
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228 * to the first visible field in the top of the viewable area. |
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229 */ |
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230 |
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231 if( aHiddenFocus ) |
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232 { |
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233 return MoveFocusVisibleL(); |
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234 } |
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235 else |
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236 { |
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237 TInt ind( iFocusedFieldIndex ); |
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238 |
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239 // start searching next possible focus item |
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240 TInt maxItemIndex = iFactory.Count() - 1; |
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241 |
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242 while ( ind < maxItemIndex ) |
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243 { |
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244 // only visible and focusable items can be focused |
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245 CESMRField* field = iFactory.Field( ++ind ); |
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246 |
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247 if ( field->IsVisible() && !field->IsNonFocusing() ) |
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248 { |
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249 CESMRField* focusedField = iFactory.Field( iFocusedFieldIndex ); |
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250 |
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251 TBool canLoseFocus( |
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252 focusedField->OkToLoseFocusL( field->FieldId() ) ); |
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253 |
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254 // check it its ok for the old focus item to lose focus |
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255 if ( canLoseFocus ) |
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256 { |
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257 field->SetPreItemIndex( iFocusedFieldIndex ); |
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258 iFocusedFieldIndex = ind; |
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259 field->SetCurrentItemIndex( iFocusedFieldIndex ); |
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260 |
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261 // Remove focus from previous position |
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262 focusedField->SetOutlineFocusL( EFalse ); |
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263 focusedField->SetFocus( EFalse ); |
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264 |
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265 // Set focus to new position |
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266 field->SetOutlineFocusL( ETrue ); |
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267 field->SetFocus( ETrue ); |
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268 |
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269 // Scrollbar and physics update is done here |
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270 ScrollControlVisible( iFocusedFieldIndex ); |
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271 |
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272 DrawDeferred(); |
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273 } |
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274 |
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275 return EKeyWasConsumed; |
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276 } |
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277 } |
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278 return EKeyWasNotConsumed; |
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279 } |
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280 } |
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281 |
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282 // --------------------------------------------------------------------------- |
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283 // CMRFieldContainer::MoveFocusVisibleL |
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284 // --------------------------------------------------------------------------- |
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285 // |
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286 TKeyResponse CMRFieldContainer::MoveFocusVisibleL() |
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287 { |
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288 FUNC_LOG; |
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289 /* |
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290 * Move focus to first completely visible field in the view, |
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291 * if focus was in a field that was not visible in the view. |
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292 * Use case: After pointer scroll focus is hidden. User presses |
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293 * arrow keys -> Focus appears to the first visible field on the upper |
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294 * or bottom part of the viewable area. |
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295 */ |
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296 |
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297 TKeyResponse response( EKeyWasNotConsumed ); |
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298 |
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299 CESMRField* focusedField = FocusedField(); |
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300 CESMRField* visibleField = NULL; |
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301 TRect view( Parent()->Rect() ); |
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302 |
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303 // Focus is above the visible view area |
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304 if ( focusedField->Rect().iBr.iY <= view.iTl.iY ) |
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305 { |
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306 // Move focus to next visible field |
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307 TInt lastIndex = iFactory.Count() - 1; |
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308 TInt ind( iFocusedFieldIndex ); |
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309 while ( ind < lastIndex && !visibleField ) |
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310 { |
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311 visibleField = iFactory.Field( ++ind ); |
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312 TRect fieldRect = visibleField->Rect(); |
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313 if ( visibleField->IsVisible() |
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314 && !visibleField->IsNonFocusing() |
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315 && fieldRect.iTl.iY >= view.iTl.iY ) |
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316 { |
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317 // Update previous and current field indexes |
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318 visibleField->SetPreItemIndex( iFocusedFieldIndex ); |
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319 iFocusedFieldIndex = ind; |
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320 visibleField->SetCurrentItemIndex( iFocusedFieldIndex ); |
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321 } |
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322 else |
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323 { |
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324 visibleField = NULL; |
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325 } |
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326 } |
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327 } |
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328 // Focus is below the visible view area |
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329 else |
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330 { |
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331 // Move focus to previous visible field |
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332 TInt ind( iFocusedFieldIndex ); |
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333 while ( ind > 0 && !visibleField ) |
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334 { |
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335 visibleField = iFactory.Field( --ind ); |
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336 TRect fieldRect = visibleField->Rect(); |
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337 if ( visibleField->IsVisible() |
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338 && !visibleField->IsNonFocusing() |
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339 && fieldRect.iBr.iY <= view.iBr.iY ) |
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340 { |
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341 // Update previous and current field indexes |
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342 visibleField->SetPreItemIndex( iFocusedFieldIndex ); |
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343 iFocusedFieldIndex = ind; |
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344 visibleField->SetCurrentItemIndex( iFocusedFieldIndex ); |
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345 } |
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346 else |
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347 { |
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348 visibleField = NULL; |
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349 } |
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350 } |
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351 } |
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352 |
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353 if ( visibleField ) |
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354 { |
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355 // Remove existing focus |
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356 focusedField->SetOutlineFocusL( EFalse ); |
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357 focusedField->SetFocus( EFalse ); |
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358 |
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359 // Set focus to new field |
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360 visibleField->SetOutlineFocusL( ETrue ); |
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361 visibleField->SetFocus( ETrue ); |
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362 |
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363 response = EKeyWasConsumed; |
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364 |
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365 DrawDeferred(); |
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366 } |
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367 |
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368 return response; |
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369 } |
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370 |
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371 // --------------------------------------------------------------------------- |
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372 // CMRFieldContainer::SetFieldContainerObserver |
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373 // --------------------------------------------------------------------------- |
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374 // |
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375 void CMRFieldContainer::SetFieldContainerObserver( |
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376 MMRFieldContainerObserver* aObserver ) |
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377 { |
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378 FUNC_LOG; |
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379 iObserver = aObserver; |
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380 } |
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381 |
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382 // --------------------------------------------------------------------------- |
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383 // CMRFieldContainer::CountComponentControls |
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384 // --------------------------------------------------------------------------- |
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385 // |
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386 TInt CMRFieldContainer::CountComponentControls() const |
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387 { |
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388 FUNC_LOG; |
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389 return iFactory.Count(); |
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390 } |
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391 |
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392 // --------------------------------------------------------------------------- |
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393 // CMRFieldContainer::ComponentControl |
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394 // --------------------------------------------------------------------------- |
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395 // |
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396 CCoeControl* CMRFieldContainer::ComponentControl( TInt aIndex ) const |
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397 { |
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398 FUNC_LOG; |
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399 return iFactory.Field( aIndex ); |
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400 } |
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401 |
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402 // --------------------------------------------------------------------------- |
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403 // CMRFieldContainer::MinimumSize |
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404 // --------------------------------------------------------------------------- |
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405 // |
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406 TSize CMRFieldContainer::MinimumSize() |
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407 { |
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408 FUNC_LOG; |
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409 /* |
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410 * Returns the minimum size required by the field container |
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411 */ |
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412 |
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413 TSize containerSize; |
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414 |
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415 const TInt count( iFactory.Count() ); |
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416 |
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417 for ( TInt i(0); i < count; ++i ) |
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418 { |
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419 CESMRField* field = iFactory.Field( i ); |
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420 if ( field->IsVisible() ) |
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421 { |
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422 TRect rect( field->Rect() ); |
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423 containerSize.iHeight += rect.Height(); |
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424 } |
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425 } |
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426 |
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427 containerSize.iWidth = Parent()->Rect().Width(); |
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428 |
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429 return containerSize; |
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430 } |
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431 |
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432 // --------------------------------------------------------------------------- |
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433 // CMRFieldContainer::SizeChanged |
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434 // --------------------------------------------------------------------------- |
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435 // |
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436 void CMRFieldContainer::SizeChanged() |
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437 { |
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438 FUNC_LOG; |
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439 |
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440 // TEST CODE: |
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441 TRect fieldcontainerRect = Rect(); |
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442 TRect parentRect = Parent()->Rect(); |
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443 |
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444 |
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445 // For example when orientation changes, we might need to scroll |
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446 // the currently focused control visible again. This handles also |
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447 // scrollbar and physics updates. |
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448 ScrollControlVisible( KErrNotFound ); |
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449 |
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450 TPoint tl( Position() ); |
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451 |
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452 const TInt count( iFactory.Count() ); |
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453 |
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454 // Loop all the visible fields and set size and position in the list |
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455 for ( TInt i = 0; i < count; i++ ) |
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456 { |
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457 CESMRField* field = iFactory.Field( i ); |
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458 |
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459 if ( field->IsVisible() ) |
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460 { |
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461 LayoutField( *field, tl ); |
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462 |
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463 TInt height = field->Size().iHeight; |
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464 tl.iY += height; |
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465 } |
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466 } |
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467 } |
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468 |
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469 // --------------------------------------------------------------------------- |
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470 // CMRFieldContainer::ControlSizeChanged |
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471 // --------------------------------------------------------------------------- |
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472 // |
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473 void CMRFieldContainer::ControlSizeChanged( CESMRField* aField ) |
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474 { |
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475 FUNC_LOG; |
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476 /* |
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477 * Called whenever a fields size has changed. Requires always |
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478 * relayouting. |
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479 */ |
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480 |
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481 if ( !aField ) |
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482 { |
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483 SizeChanged(); |
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484 } |
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485 else |
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486 { |
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487 // Relayout field if size has changed |
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488 TSize old( aField->Size() ); |
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489 TSize size( aField->MinimumSize() ); |
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490 if( size != old ) |
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491 { |
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492 aField->SetSize( size ); |
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493 |
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494 TPoint tl( aField->Position() ); |
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495 TInt index = IndexByFieldId( iFactory, aField->FieldId() ); |
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496 |
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497 // Move fields below this particular field |
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498 tl.iY += size.iHeight; |
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499 MoveFields( index + 1, tl ); |
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500 |
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501 // Fields have been re-layouted / moved. This requires resetting |
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502 // the size of this field container. |
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503 SetSize( MinimumSize() ); |
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504 |
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505 // Update also scrollbar and physics |
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506 iObserver->UpdateScrollBarAndPhysics(); |
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507 |
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508 if( index == iFocusedFieldIndex ) |
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509 { |
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510 // Scroll this field completely visible, if required. |
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511 // This updates also scrollbar and physics if scrolling |
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512 // is done. |
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513 ScrollControlVisible( iFocusedFieldIndex ); |
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514 } |
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515 |
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516 DrawDeferred(); |
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517 } |
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518 } |
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519 } |
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520 |
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521 // --------------------------------------------------------------------------- |
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522 // CMRFieldContainer::ShowControl |
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523 // --------------------------------------------------------------------------- |
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524 // |
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525 void CMRFieldContainer::ShowControl( TESMREntryFieldId aFieldId ) |
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526 { |
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527 FUNC_LOG; |
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528 /* |
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529 * Inserts field visible and layouts it. |
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530 */ |
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531 |
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532 CESMRField* field = iFactory.FieldById( aFieldId ); |
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533 |
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534 if ( field && !field->IsVisible() ) |
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535 { |
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536 // Make field visible |
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537 field->MakeVisible( ETrue ); |
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538 TInt index = IndexByFieldId( iFactory, aFieldId ); |
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539 |
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540 TPoint tl( Rect().iTl ); |
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541 TInt prevIndex = index - 1; |
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542 |
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543 // Get previous visible field position |
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544 // Index 0 must be included in attendee field case, |
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545 // to avoid field collision. But in response field, |
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546 // causes misplacing of area. |
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547 if ( ( prevIndex >= 0 ) && ( aFieldId != EESMRFieldResponseArea ) ) |
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548 { |
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549 CESMRField* previous = NULL; |
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550 do |
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551 { |
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552 previous = iFactory.Field( prevIndex-- ); |
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553 } |
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554 while ( prevIndex >= 0 && !previous->IsVisible() ); |
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555 |
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556 tl.iY = previous->Rect().iBr.iY; |
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557 } |
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558 |
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559 // Layout field |
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560 LayoutField( *field, tl); |
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561 |
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562 // Move following fields |
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563 tl.iY += field->Size().iHeight; |
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564 MoveFields( ++index, tl ); |
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565 |
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566 // Set fieldcontainer size again, because |
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567 // the amount of fields has changed. |
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568 SetSize( MinimumSize() ); |
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569 |
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570 // Scrollbar and physics require updating. |
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571 iObserver->UpdateScrollBarAndPhysics(); |
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572 } |
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573 |
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574 DrawDeferred(); |
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575 } |
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576 |
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577 // --------------------------------------------------------------------------- |
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578 // CMRFieldContainer::HideControl() |
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579 // --------------------------------------------------------------------------- |
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580 // |
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581 void CMRFieldContainer::HideControl( TESMREntryFieldId aFieldId ) |
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582 { |
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583 FUNC_LOG; |
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584 /* |
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585 * Sets field non-visible and moves other fields accordingly. |
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586 * Does not delete the field. |
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587 */ |
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588 CESMRField* field = iFactory.FieldById( aFieldId ); |
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589 |
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590 if ( field && field->IsVisible() ) |
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591 { |
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592 field->MakeVisible( EFalse ); |
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593 TInt index = IndexByFieldId( iFactory, aFieldId ); |
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594 TBool focused = ( index == iFocusedFieldIndex )? ETrue : EFalse; |
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595 |
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596 TPoint pos( field->Position() ); |
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597 MoveFields( index, pos ); |
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598 |
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599 // Set fieldcontainer size again, because |
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600 // the amount of fields has changed. |
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601 SetSize( MinimumSize() ); |
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602 |
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603 // Scrollbar and physics require updating. |
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604 iObserver->UpdateScrollBarAndPhysics(); |
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605 |
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606 if ( focused && !field->IsNonFocusing() ) |
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607 { |
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608 // Set focus to next field, or if removed field was the last |
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609 // field, then move focus to last visible field |
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610 TInt lastVisibleFieldIndex( LastVisibleField( aFieldId ) ); |
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611 |
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612 // If field was the last one... |
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613 if( lastVisibleFieldIndex == index ) |
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614 { |
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615 // ... Set focus to last visible field. |
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616 TRAP_IGNORE( DoSetFocusL( lastVisibleFieldIndex ) ) |
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617 } |
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618 else |
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619 { |
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620 // Othwerwise set focus to next field |
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621 TRAP_IGNORE( DoSetFocusL( index + 1 ) ) |
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622 } |
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623 } |
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624 } |
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625 DrawDeferred(); |
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626 } |
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627 |
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628 // --------------------------------------------------------------------------- |
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629 // CMRFieldContainer::IsControlVisible |
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630 // --------------------------------------------------------------------------- |
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631 // |
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632 TBool CMRFieldContainer::IsControlVisible( TESMREntryFieldId aField ) |
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633 { |
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634 FUNC_LOG; |
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635 /* |
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636 * Returns ETrue/EFalse if the field with given field id is |
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637 * visible or not. |
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638 */ |
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639 |
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640 TBool ret( EFalse ); |
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641 |
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642 CESMRField* field = iFactory.FieldById( aField ); |
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643 if ( field && field->IsVisible() ) |
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644 { |
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645 ret = ETrue; |
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646 } |
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647 |
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648 return ret; |
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649 } |
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650 |
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651 // --------------------------------------------------------------------------- |
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652 // CMRFieldContainer::SetControlFocused |
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653 // --------------------------------------------------------------------------- |
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654 // |
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655 void CMRFieldContainer::SetControlFocusedL( TESMREntryFieldId aField ) |
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656 { |
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657 FUNC_LOG; |
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658 /* |
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659 * Set the field with given field id focused. |
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660 */ |
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661 |
|
662 // This handles scrollbar and physics updates also. |
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663 DoSetFocusL( IndexByFieldId( iFactory, aField ) ); |
|
664 } |
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665 |
|
666 // --------------------------------------------------------------------------- |
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667 // CMRFieldContainer::ListHeight |
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668 // --------------------------------------------------------------------------- |
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669 // |
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670 TInt CMRFieldContainer::ListHeight() |
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671 { |
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672 FUNC_LOG; |
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673 /* |
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674 * Returns the height of all fields, in other words the height |
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675 * of the field container. |
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676 */ |
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677 return MinimumSize().iHeight; |
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678 } |
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679 |
|
680 // --------------------------------------------------------------------------- |
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681 // CMRFieldContainer::IsFocusedControlsBottomVisible |
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682 // --------------------------------------------------------------------------- |
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683 // |
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684 TBool CMRFieldContainer::IsFocusedControlsBottomVisible() |
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685 { |
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686 FUNC_LOG; |
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687 /* |
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688 * Checks if focused field is completely visible in the viewable area. |
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689 */ |
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690 |
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691 // Fetch the position information about currently focused field: |
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692 CESMRField* field = iFactory.Field( iFocusedFieldIndex ); |
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693 TBool ret( EFalse ); |
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694 if ( field->Rect().iBr.iY <= Parent()->Rect().iBr.iY ) |
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695 { |
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696 ret = ETrue; |
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697 } |
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698 |
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699 return ret; |
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700 } |
|
701 |
|
702 |
|
703 // --------------------------------------------------------------------------- |
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704 // CMRFieldContainer::ScrollControlVisible |
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705 // --------------------------------------------------------------------------- |
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706 // |
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707 void CMRFieldContainer::ScrollControlVisible( TInt aInd ) |
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708 { |
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709 FUNC_LOG; |
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710 /* |
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711 * Scrolls the field with the given index visible |
|
712 */ |
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713 |
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714 CESMRField* field = NULL; |
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715 if ( aInd == KErrNotFound ) |
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716 { |
|
717 field = FocusedField(); |
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718 } |
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719 else |
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720 { |
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721 field = iFactory.Field( aInd ); |
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722 } |
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723 |
|
724 ASSERT( field ); |
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725 |
|
726 TRect fieldRect( field->Position(), field->Size() ); |
|
727 TRect parentRect( Parent()->Rect() ); |
|
728 |
|
729 /* |
|
730 * Case 1: Field's height is less than the viewable area height, |
|
731 * let's scroll the whole field visible. |
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732 */ |
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733 if( fieldRect.Height() < parentRect.Height() ) |
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734 { |
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735 // Scrolling down, let's move fields up |
|
736 if( fieldRect.iBr.iY > parentRect.iBr.iY ) |
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737 { |
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738 iObserver->ScrollFieldsUp( |
|
739 fieldRect.iBr.iY - parentRect.iBr.iY ); |
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740 } |
|
741 // scrolling up, let's move field down |
|
742 if( fieldRect.iTl.iY < parentRect.iTl.iY ) |
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743 { |
|
744 iObserver->ScrollFieldsDown( |
|
745 parentRect.iTl.iY - fieldRect.iTl.iY ); |
|
746 } |
|
747 } |
|
748 |
|
749 /* |
|
750 * Case 2: Field's height is more than the viewable area's height. |
|
751 */ |
|
752 else |
|
753 { |
|
754 // Field is in view mode |
|
755 if( field->FieldMode() == EESMRFieldModeView ) |
|
756 { |
|
757 // Focus to this field is coming from above |
|
758 if( field->PreItemIndex() < field->CurrentItemIndex() ) |
|
759 { |
|
760 // Let's scroll the top of the field to the |
|
761 // top of the viewable area |
|
762 iObserver->ScrollFieldsUp( |
|
763 fieldRect.iTl.iY - parentRect.iTl.iY ); |
|
764 |
|
765 } |
|
766 // Focus to this field is coming from below |
|
767 if( field->PreItemIndex() > field->CurrentItemIndex() ) |
|
768 { |
|
769 // Let's scroll the bottom of the field to the |
|
770 // bottom of the viewable area |
|
771 iObserver->ScrollFieldsDown( |
|
772 parentRect.iBr.iY - fieldRect.iBr.iY ); |
|
773 } |
|
774 } |
|
775 |
|
776 // Field is in edit mode |
|
777 if( field->FieldMode() == EESMRFieldModeEdit ) |
|
778 { |
|
779 // TODO: CORRECT if broken |
|
780 TInt viewBottom( parentRect.iBr.iY ); |
|
781 |
|
782 TInt fieldUpper( 0 ); |
|
783 TInt fieldLower( 0 ); |
|
784 field->GetCursorLineVerticalPos( fieldUpper, fieldLower ); |
|
785 |
|
786 TInt focusFieldVisibleUp( fieldRect.iTl.iY + fieldUpper ); |
|
787 TInt focusFieldVisibleBottom( fieldRect.iTl.iY + fieldLower ); |
|
788 |
|
789 // desired position below view rect: |
|
790 TInt viewHeight( parentRect.Height() ); |
|
791 if ( focusFieldVisibleBottom > viewBottom ) |
|
792 { |
|
793 // move field focus line bottom to view bottom |
|
794 TInt px = focusFieldVisibleBottom - viewHeight; |
|
795 |
|
796 |
|
797 // if focus on last field: add margin height to |
|
798 // scroll amount. |
|
799 if ( iFocusedFieldIndex == iFactory.Count()-1 ) |
|
800 { |
|
801 px += KVerticalScrollMargin; // TODO: Fix me! K-value must be removed. |
|
802 } |
|
803 |
|
804 // Scrollbar and physics update is done here |
|
805 iObserver->ScrollFieldsUp( px ); |
|
806 } |
|
807 else |
|
808 { |
|
809 // If field top is invisible, move downwards to make top visible. |
|
810 TInt viewTop( parentRect.iTl.iY ); |
|
811 |
|
812 // recalculate field rect |
|
813 focusFieldVisibleUp = fieldRect.iTl.iY + fieldUpper; |
|
814 focusFieldVisibleBottom = fieldRect.iTl.iY + fieldLower; |
|
815 |
|
816 if ( focusFieldVisibleUp < viewTop ) |
|
817 { |
|
818 TInt px( viewTop - focusFieldVisibleUp ); |
|
819 |
|
820 // Scrollbar and physics update is done here |
|
821 iObserver->ScrollFieldsDown( px ); |
|
822 } |
|
823 } |
|
824 } |
|
825 } |
|
826 } |
|
827 |
|
828 // --------------------------------------------------------------------------- |
|
829 // CMRFieldContainer::RePositionFields |
|
830 // --------------------------------------------------------------------------- |
|
831 // |
|
832 void CMRFieldContainer::RePositionFields( TInt aAmount ) |
|
833 { |
|
834 FUNC_LOG; |
|
835 |
|
836 // Movement downwards |
|
837 if( aAmount >= 0 ) |
|
838 { |
|
839 // Also scrollbar and physics update is done here |
|
840 iObserver->ScrollFieldsDown( aAmount ); |
|
841 } |
|
842 // Movement upwards |
|
843 else |
|
844 { |
|
845 // Also scrollbar and physics update is done here |
|
846 iObserver->ScrollFieldsUp( -aAmount ); |
|
847 } |
|
848 } |
|
849 |
|
850 // --------------------------------------------------------------------------- |
|
851 // CMRFieldContainer::ViewableAreaRect |
|
852 // --------------------------------------------------------------------------- |
|
853 // |
|
854 TRect CMRFieldContainer::ViewableAreaRect() |
|
855 { |
|
856 FUNC_LOG; |
|
857 return Parent()->Rect(); |
|
858 } |
|
859 |
|
860 // --------------------------------------------------------------------------- |
|
861 // CMRFieldContainer::MoveFields |
|
862 // --------------------------------------------------------------------------- |
|
863 // |
|
864 void CMRFieldContainer::MoveFields( TInt aIndex, TPoint& aTl ) |
|
865 { |
|
866 FUNC_LOG; |
|
867 /* |
|
868 * Moves fields from the given index towards the last item. |
|
869 * This function does not update scrollbar or physics. |
|
870 */ |
|
871 |
|
872 const TInt count( iFactory.Count() ); |
|
873 |
|
874 for ( TInt i = aIndex; i < count; ++i ) |
|
875 { |
|
876 CESMRField* field = iFactory.Field( i ); |
|
877 |
|
878 if ( field->IsVisible() ) |
|
879 { |
|
880 field->SetPosition( aTl ); |
|
881 |
|
882 aTl.iY += field->Size().iHeight; |
|
883 } |
|
884 } |
|
885 } |
|
886 |
|
887 // --------------------------------------------------------------------------- |
|
888 // CMRFieldContainer::LayoutField |
|
889 // --------------------------------------------------------------------------- |
|
890 // |
|
891 void CMRFieldContainer::LayoutField( CESMRField& aField, const TPoint& aTl ) |
|
892 { |
|
893 FUNC_LOG; |
|
894 /* |
|
895 * Layouts given field according to the size required by the field and |
|
896 * given TPoint. This function does not update scrollbar or physics. |
|
897 */ |
|
898 |
|
899 TSize size( aField.MinimumSize() ); |
|
900 aField.SetPosition( aTl ); |
|
901 aField.SetSize( size ); |
|
902 } |
|
903 |
|
904 // --------------------------------------------------------------------------- |
|
905 // CMRFieldContainer::IsLastVisibleField |
|
906 // --------------------------------------------------------------------------- |
|
907 // |
|
908 TInt CMRFieldContainer::LastVisibleField( |
|
909 TESMREntryFieldId aFieldId ) |
|
910 { |
|
911 /* |
|
912 * Helper function to find out the last visible field in the list. |
|
913 */ |
|
914 |
|
915 TInt lastVisibleFieldIndex( 0 ); |
|
916 TInt count( iFactory.Count() ); |
|
917 |
|
918 // Go through fields from last field towards the first field |
|
919 for( TInt i( 1 ); i > count; ++i ) |
|
920 { |
|
921 // Once last visible field is found... |
|
922 if( iFactory.Field( count - i )->IsVisible() ) |
|
923 { |
|
924 // ... Compare it to the given field index ... |
|
925 if( iFactory.Field( count - i )->FieldId() == aFieldId ) |
|
926 { |
|
927 // ... And if match is found, given fieldId is the |
|
928 // the last visible field. |
|
929 lastVisibleFieldIndex = |
|
930 IndexByFieldId( iFactory, aFieldId ); |
|
931 } |
|
932 else |
|
933 { |
|
934 // Otherwise return the found last visible field. |
|
935 lastVisibleFieldIndex = |
|
936 IndexByFieldId( iFactory, |
|
937 iFactory.Field( count - i )->FieldId() ); |
|
938 } |
|
939 break; |
|
940 } |
|
941 } |
|
942 |
|
943 return lastVisibleFieldIndex; |
|
944 } |
|
945 |
|
946 // --------------------------------------------------------------------------- |
|
947 // CMRFieldContainer::DoSetFocusL |
|
948 // --------------------------------------------------------------------------- |
|
949 // |
|
950 void CMRFieldContainer::DoSetFocusL( TInt aNewFocusIndex ) |
|
951 { |
|
952 FUNC_LOG; |
|
953 /* |
|
954 * Sets the focus according to the given index. |
|
955 */ |
|
956 |
|
957 TInt count( iFactory.Count() ); |
|
958 aNewFocusIndex = Max( 0, Min( aNewFocusIndex, count - 1 ) ); |
|
959 |
|
960 if ( aNewFocusIndex != iFocusedFieldIndex ) |
|
961 { |
|
962 // Get current focused field |
|
963 CESMRField* old = iFactory.Field( iFocusedFieldIndex ); |
|
964 |
|
965 // Get next focused field |
|
966 CESMRField* field = iFactory.Field( aNewFocusIndex ); |
|
967 |
|
968 // Do sanity checks |
|
969 while ( aNewFocusIndex < count && !field->IsVisible() ) |
|
970 { |
|
971 field = iFactory.Field( aNewFocusIndex++ ); |
|
972 } |
|
973 |
|
974 if ( !field->IsVisible() ) |
|
975 { |
|
976 aNewFocusIndex = iFocusedFieldIndex - 1; |
|
977 while ( aNewFocusIndex > 0 && !field->IsVisible() ) |
|
978 { |
|
979 field = iFactory.Field( aNewFocusIndex-- ); |
|
980 } |
|
981 } |
|
982 |
|
983 ASSERT( field->IsVisible() ); |
|
984 |
|
985 // Update current and previous item indexes |
|
986 field->SetPreItemIndex( iFocusedFieldIndex ); |
|
987 iFocusedFieldIndex = aNewFocusIndex; |
|
988 field->SetCurrentItemIndex( iFocusedFieldIndex ); |
|
989 |
|
990 // Remove focus from old |
|
991 old->SetOutlineFocusL( EFalse ); |
|
992 old->SetFocus( EFalse ); |
|
993 |
|
994 // update focus index to new index |
|
995 field->SetOutlineFocusL( ETrue ); |
|
996 field->SetFocus( ETrue ); |
|
997 |
|
998 // This handles also scrollbar and physics updating, |
|
999 // if view scrolling is done. |
|
1000 ScrollControlVisible( iFocusedFieldIndex ); |
|
1001 |
|
1002 DrawDeferred(); |
|
1003 } |
|
1004 } |
|
1005 |
|
1006 |
|
1007 // End of file |