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1 /* |
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2 * Copyright (c) 2002-2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: LandmarksUi Content File - |
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15 * |
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16 */ |
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17 // INCLUDE FILES |
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18 #include <StringLoader.h> |
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19 #include <lmkui.rsg> |
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20 #include <aknsfld.h> |
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21 #include <aknlists.h> |
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22 #include "CLmkSelectorDialog.h" |
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23 #include "MLmkNavigationObserver.h" |
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24 #include "CLmkLmItemListMemento.h" |
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25 #include "LmkConsts.h" |
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26 #include "CLmkListProviderBase.h" |
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27 #include <landmarks.rsg> |
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28 #include <eikclbd.h> |
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29 |
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30 _LIT(KWildCard, "*"); |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CLmkSelectorDialog::CLmkSelectorDialog |
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36 // C++ default constructor can NOT contain any code, that |
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37 // might leave. |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CLmkSelectorDialog::CLmkSelectorDialog( |
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41 TInt& aOpenedItemIndex, |
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42 MDesCArray* aLbModel, |
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43 MEikCommandObserver* aCmdObserver, |
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44 MLmkListMemento* aMemento, CLmkListProviderBase* aListProvider) |
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45 : CAknSelectionListDialog( aOpenedItemIndex, aLbModel, aCmdObserver ) |
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46 { |
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47 iMemento = aMemento; |
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48 iExited = EFalse; |
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49 iListProvider = aListProvider; |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CLmkSelectorDialog::NewL |
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54 // Two-phased constructor. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 CLmkSelectorDialog* CLmkSelectorDialog::NewL( |
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58 TInt& aOpenedItemIndex, |
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59 MDesCArray* aLbModel, |
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60 TInt aMenuBarResourceId, |
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61 MEikCommandObserver* aCmdObserver, |
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62 MLmkListMemento* aMemento, |
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63 CLmkListProviderBase* aListProvider) |
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64 { |
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65 CLmkSelectorDialog* self = |
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66 new( ELeave ) CLmkSelectorDialog( aOpenedItemIndex, aLbModel, |
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67 aCmdObserver, aMemento, aListProvider ); |
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68 |
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69 CleanupStack::PushL( self ); |
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70 self->ConstructL( aMenuBarResourceId ); |
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71 CleanupStack::Pop(); |
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72 |
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73 return self; |
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74 } |
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75 |
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76 // ---------------------------------------------------- |
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77 // CLmkSelectorDialog::ConstructL |
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78 // ---------------------------------------------------- |
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79 // |
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80 void CLmkSelectorDialog::ConstructL( TInt aMenuBarResourceId ) |
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81 { |
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82 CAknSelectionListDialog::ConstructL( aMenuBarResourceId ); |
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83 } |
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84 // ---------------------------------------------------- |
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85 // CLmkSelectorDialog::~CLmkSelectorDialog |
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86 // ---------------------------------------------------- |
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87 // |
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88 CLmkSelectorDialog::~CLmkSelectorDialog() |
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89 { |
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90 } |
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91 |
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92 // ---------------------------------------------------- |
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93 // CLmkSelectorDialog::HasFindBox |
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94 // ---------------------------------------------------- |
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95 // |
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96 TBool CLmkSelectorDialog::HasFindBox() const |
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97 { |
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98 if ( FindBox() ) |
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99 { |
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100 return ETrue; |
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101 } |
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102 else |
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103 { |
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104 return EFalse; |
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105 } |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CLmkSelectorDialog::NumberOfItems |
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110 // ----------------------------------------------------------------------------- |
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111 // |
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112 TInt CLmkSelectorDialog::NumberOfItems() const |
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113 { |
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114 return ListBox()->Model()->NumberOfItems(); |
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115 } |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CLmkSelectorDialog::CurrentItemIndex |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 TInt CLmkSelectorDialog::CurrentItemIndex() const |
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122 { |
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123 return ListBox()->CurrentItemIndex(); |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CLmkSelectorDialog::SelectionIndexes |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 const CArrayFix<TInt>* CLmkSelectorDialog::SelectionIndexes() const |
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131 { |
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132 return ListBox()->SelectionIndexes(); |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // CLmkSelectorDialog::SetHelpContext |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CLmkSelectorDialog::SetHelpContext( TCoeHelpContext aContext ) |
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140 { |
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141 iHelpContext = aContext; |
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142 } |
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143 |
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144 // ---------------------------------------------------- |
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145 // CLmkSelectorDialog::ListBox |
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146 // ---------------------------------------------------- |
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147 // |
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148 CEikListBox* CLmkSelectorDialog::ListBox() const |
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149 { |
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150 return CAknSelectionListDialog::ListBox(); |
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151 } |
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152 |
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153 // ---------------------------------------------------- |
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154 // CLmkSelectorDialog::SetNavigationObserver |
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155 // ---------------------------------------------------- |
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156 // |
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157 void CLmkSelectorDialog::SetNavigationObserver( |
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158 MLmkNavigationObserver& aObserver ) |
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159 { |
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160 iNavigationObserver = &aObserver; |
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161 } |
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162 |
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163 // ---------------------------------------------------- |
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164 // CLmkSelectorDialog::HandleListProviderEvent |
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165 // ---------------------------------------------------- |
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166 // |
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167 void CLmkSelectorDialog::HandleListProviderEvent( |
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168 TLmkListProviderEventType aEvent ) |
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169 { |
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170 CEikListBox* listbox = ListBox(); |
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171 if ( listbox && ( aEvent == ELmkEventListReady || aEvent == ELmkEventItemAdditionComplete || aEvent == ELmkEventFindListReady ) ) |
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172 { |
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173 TRAPD( error, listbox->HandleItemAdditionL() ); |
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174 if ( error != KErrNone ) |
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175 { |
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176 listbox->Reset(); |
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177 listbox->DrawNow(); |
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178 } |
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179 } |
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180 if (ListBox()->Model()->NumberOfItems()== 0) |
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181 { |
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182 if (aEvent == ELmkEventFindListReady) |
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183 { |
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184 TRAP_IGNORE(MakeEmptyTextListBoxL(iDlgEmptyLabelPrimResource,iDlgEmptyLabelSecResource, ETrue)); |
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185 } |
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186 else |
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187 { |
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188 TRAP_IGNORE(MakeEmptyTextListBoxL(iDlgEmptyLabelPrimResource,iDlgEmptyLabelSecResource)); |
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189 } |
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190 } |
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191 else |
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192 { |
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193 ShowFindBox(ETrue); |
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194 } |
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195 } |
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196 |
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197 // ---------------------------------------------------- |
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198 // CLmkSelectorDialog::HandleListProviderError |
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199 // ---------------------------------------------------- |
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200 // |
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201 void CLmkSelectorDialog::HandleListProviderError( TInt /*aError*/ ) |
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202 { |
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203 CEikListBox* listbox = ListBox(); |
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204 if ( listbox ) |
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205 { |
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206 listbox->Reset(); |
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207 listbox->DrawNow(); |
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208 } |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // CLmkSelectorDialog::GetHelpContext |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 void CLmkSelectorDialog::GetHelpContext( TCoeHelpContext& aContext ) const |
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216 { |
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217 aContext.iContext = iHelpContext.iContext; |
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218 aContext.iMajor = iHelpContext.iMajor; |
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219 } |
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220 |
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221 // ----------------------------------------------------------------------------- |
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222 // CLmkSelectorDialog::OfferKeyEventL |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 TKeyResponse CLmkSelectorDialog::OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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226 TEventCode aType ) |
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227 { |
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228 // Do not process navigation handling till UI gets from engine |
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229 if (!ListBox()) |
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230 { |
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231 return EKeyWasConsumed; |
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232 } |
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233 if (aKeyEvent.iRepeats == 0 || aKeyEvent.iCode == EKeyLeftArrow || aKeyEvent.iCode == EKeyRightArrow ) |
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234 { |
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235 if (KeyEventForNavigationL(aKeyEvent, aType) == EKeyWasConsumed) |
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236 { |
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237 TryExitL(EAknSoftkeyCancel); |
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238 return EKeyWasConsumed; |
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239 } |
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240 if (!FindBox()->IsVisible()) |
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241 { |
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242 return EKeyWasConsumed; |
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243 } |
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244 |
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245 } |
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246 TKeyResponse keyResponce; |
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247 keyResponce = CAknSelectionListDialog::OfferKeyEventL(aKeyEvent, aType); |
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248 CEikButtonGroupContainer &buttonContainer = ButtonGroupContainer(); |
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249 if(!iExited) |
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250 { |
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251 UpdateMskL(); |
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252 } |
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253 return keyResponce; |
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254 } |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // CLmkSelectorDialog::PreLayoutDynInitL |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 void CLmkSelectorDialog::PreLayoutDynInitL() |
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261 { |
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262 CAknSelectionListDialog::PreLayoutDynInitL(); |
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263 if ( iNavigationObserver ) |
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264 { |
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265 iNavigationObserver->HandleLaunchingEventL(); |
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266 } |
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267 ((CEikColumnListBox*)ListBox())->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue ); |
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268 } |
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269 // ----------------------------------------------------------------------------- |
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270 // CLmkSelectorDialog::PostLayoutDynInitL |
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271 // ----------------------------------------------------------------------------- |
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272 void CLmkSelectorDialog::PostLayoutDynInitL() |
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273 { |
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274 CAknSelectionListDialog::PostLayoutDynInitL(); |
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275 ShowFindBox(EFalse); |
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276 if (iMemento) |
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277 { |
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278 EnableLeftSoftKey(EFalse); |
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279 CLmkLmItemListMemento* memento = |
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280 static_cast<CLmkLmItemListMemento*>(iMemento); |
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281 /* |
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282 When launching any application which uses selector dialog, |
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283 initially, the find box is updated from the HandleListProviderEvent |
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284 of the CLmkDlgSelectorImplBase class,but once the selector's model is updated |
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285 dialog has to update the findbox by itself. |
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286 the |
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287 */ |
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288 if(memento->IsModelAvailable()) |
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289 { |
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290 iListProvider->StartSearchingLandmarksL(KWildCard,EFalse); |
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291 if(ListBox()->Model()->NumberOfItems()== 0) |
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292 { |
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293 // Disable the find box |
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294 ShowFindBox(EFalse); |
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295 MakeEmptyTextListBoxL(iDlgEmptyLabelPrimResource ,iDlgEmptyLabelSecResource); |
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296 } |
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297 else |
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298 { |
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299 ShowFindBox(ETrue); |
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300 } |
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301 UpdateMskL(); |
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302 } |
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303 } |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CLmkSelectorDialog::OkToExitL |
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308 // ----------------------------------------------------------------------------- |
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309 // |
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310 TBool CLmkSelectorDialog::OkToExitL( TInt aButtonId ) |
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311 { |
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312 if (!ListBox()) |
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313 { |
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314 return EFalse; |
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315 } |
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316 |
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317 if (NumberOfItems() <= 0 && aButtonId == EAknSoftkeyOk) |
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318 { |
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319 return EFalse; |
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320 } |
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321 TBool b = CAknSelectionListDialog::OkToExitL( aButtonId ); |
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322 if ( b && iNavigationObserver ) |
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323 { |
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324 iNavigationObserver->HandleClosingEventL(); |
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325 } |
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326 iExited = b; |
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327 return b; |
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328 } |
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329 // ---------------------------------------------------- |
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330 // CLmkSelectorDialog::KeyEventForNavigationL |
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331 // ---------------------------------------------------- |
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332 // |
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333 TKeyResponse CLmkSelectorDialog::KeyEventForNavigationL( |
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334 const TKeyEvent& aKeyEvent, |
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335 TEventCode aType ) |
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336 { |
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337 if ( iNavigationObserver && ( aType == EEventKey ) && |
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338 ( aKeyEvent.iCode == EKeyLeftArrow || |
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339 aKeyEvent.iCode == EKeyRightArrow ) ) |
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340 { |
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341 return iNavigationObserver->HandleNavigationEventL( aKeyEvent ); |
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342 } |
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343 return EKeyWasNotConsumed; |
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344 } |
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345 |
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346 // ---------------------------------------------------- |
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347 // CLmkSelectorDialog::FindBox() |
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348 // ---------------------------------------------------- |
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349 // |
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350 CAknSearchField* CLmkSelectorDialog::FindBox() const |
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351 { |
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352 return CAknSelectionListDialog::FindBox(); |
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353 } |
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354 |
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355 // ---------------------------------------------------- |
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356 // CLmkSelectorDialog::ShowFindBox() |
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357 // ---------------------------------------------------- |
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358 // |
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359 void CLmkSelectorDialog::ShowFindBox(TBool aVisible) |
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360 { |
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361 |
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362 CEikListBox* iListBox = ListBox(); |
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363 CAknSearchField* iSearchBox = FindBox(); |
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364 const TRect rect(Rect()); |
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365 if (iSearchBox) |
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366 { |
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367 iSearchBox->SetFocus(aVisible); |
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368 iSearchBox->MakeVisible(aVisible); |
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369 #ifdef RD_SCALABLE_UI_V2 |
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370 CAknFilteredTextListBoxModel* model = |
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371 static_cast<CAknFilteredTextListBoxModel*> ( iListBox->Model() ); |
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372 |
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373 iFilter = model->Filter(); |
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374 iSearchBox->SetObserver(this); |
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375 #endif// RD_SCALABLE_UI_V2 |
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376 static_cast<CAknColumnListBoxView*> |
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377 (iListBox->View())->SetFindEmptyListState(aVisible); |
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378 |
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379 if (iListBox && iSearchBox) |
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380 { |
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381 AknLayoutUtils::LayoutControl(iListBox, rect, |
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382 AKN_LAYOUT_WINDOW_list_gen_pane(1)); |
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383 AknLayoutUtils::LayoutControl(iSearchBox, rect, |
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384 AKN_LAYOUT_WINDOW_find_pane); |
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385 if (iSearchBox->IsVisible() && iListBox->IsVisible()) |
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386 { |
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387 // The correct line position to use is 2, which corresponds |
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388 // EABColumn in Avkon (not a public enumeration, |
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389 // hence hard-coding used here) |
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390 const TInt KSeparatorLinePos = 2; |
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391 iSearchBox->SetLinePos(KSeparatorLinePos); |
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392 } |
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393 } |
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394 else if (iListBox) |
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395 { |
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396 AknLayoutUtils::LayoutControl(iListBox, rect, |
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397 AKN_LAYOUT_WINDOW_list_gen_pane(0)); |
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398 } |
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399 } |
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400 |
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401 if ( !aVisible ) |
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402 { |
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403 iListBox->SetRect(rect); |
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404 iListBox->DrawDeferred(); |
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405 } |
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406 } |
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407 // ---------------------------------------------------- |
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408 // CLmkSelectorDialog::MakeEmptyTextListBoxL |
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409 // ---------------------------------------------------- |
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410 // |
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411 void CLmkSelectorDialog::MakeEmptyTextListBoxL( TInt aResourcePrimText,TInt aResourceSecText, TBool aRequestFromFindBox ) const |
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412 { |
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413 if (aRequestFromFindBox) |
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414 { |
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415 HBufC* text1 = StringLoader::LoadLC( R_LMK_EMPTY_NO_MATCH, iCoeEnv ); |
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416 TPtr ptr1 = text1->Des(); |
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417 ListBox()->View()->SetListEmptyTextL( ptr1 ); |
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418 CleanupStack::PopAndDestroy(text1); |
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419 } |
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420 else if (aResourcePrimText && aResourceSecText) |
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421 { |
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422 _LIT(KNChar,"\n"); |
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423 HBufC* text1 = StringLoader::LoadLC( aResourcePrimText, iCoeEnv ); |
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424 HBufC* text2 = StringLoader::LoadLC( aResourceSecText, iCoeEnv ); |
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425 TPtr ptr1 = text1->Des(); |
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426 TPtr ptr2 = text2->Des(); |
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427 |
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428 HBufC* buffer = HBufC::NewLC(text1->Length() + text2->Length() + 2); |
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429 TPtr textFromResourceFile = buffer->Des(); |
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430 textFromResourceFile.Copy(ptr1); |
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431 textFromResourceFile.Append(KNChar); |
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432 textFromResourceFile.Append(ptr2); |
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433 |
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434 ListBox()->View()->SetListEmptyTextL( textFromResourceFile ); |
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435 CleanupStack::PopAndDestroy(3);//buffer,text2,text1 |
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436 } |
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437 } |
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438 |
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439 // ----------------------------------------------------------------------------- |
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440 // CLmkSelectorDialog::HandleResourceChange() |
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441 // ----------------------------------------------------------------------------- |
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442 // |
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443 void CLmkSelectorDialog::HandleResourceChange (TInt aType) |
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444 { |
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445 if(aType==KEikDynamicLayoutVariantSwitch) |
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446 { |
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447 CAknSelectionListDialog::HandleResourceChange(aType); |
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448 if (iMemento) |
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449 { |
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450 CLmkLmItemListMemento* memento = |
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451 static_cast<CLmkLmItemListMemento*>(iMemento); |
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452 if(memento->IsModelAvailable()) |
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453 { |
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454 if(ListBox()->Model()->NumberOfItems()== 0 && FindBox()->TextLength() <= 0 ) |
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455 { |
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456 ShowFindBox(EFalse); |
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457 } |
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458 } |
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459 } |
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460 } |
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461 else if (aType == KAknsMessageSkinChange ) |
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462 { |
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463 CAknSelectionListDialog::HandleResourceChange(aType); |
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464 } |
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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 // CLmkSelectorDialog::UpdateMskL() |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 void CLmkSelectorDialog::UpdateMskL() |
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473 { |
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474 CEikButtonGroupContainer* cba = CEikButtonGroupContainer::Current(); |
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475 if (ListBox()->Model()->NumberOfItems()== 0) |
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476 { |
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477 cba->MakeCommandVisible(EAknSoftkeyOk, EFalse); |
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478 cba->MakeCommandVisibleByPosition(CEikButtonGroupContainer::EMiddleSoftkeyPosition,EFalse); |
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479 } |
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480 else |
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481 { |
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482 cba->SetCommandSetL(iCbaResourceId); |
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483 cba->MakeCommandVisible(EAknSoftkeyOk, ETrue); |
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484 cba->MakeCommandVisibleByPosition(CEikButtonGroupContainer::EMiddleSoftkeyPosition,ETrue); |
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485 } |
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486 cba->DrawDeferred(); |
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487 } |
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488 // ----------------------------------------------------------------------------- |
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489 // CLmkSelectorDialog::PrepareLC() |
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490 // ----------------------------------------------------------------------------- |
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491 // |
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492 void CLmkSelectorDialog::PrepareLC(TInt aDlgResourceId) |
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493 { |
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494 CAknSelectionListDialog::PrepareLC(aDlgResourceId); |
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495 SetCbaResourceAndCommandId(aDlgResourceId); |
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496 } |
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497 |
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498 // ----------------------------------------------------------------------------- |
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499 // CLmkSelectorDialog::SetCbaResourceAndCommandId() |
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500 // ----------------------------------------------------------------------------- |
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501 // |
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502 void CLmkSelectorDialog::SetCbaResourceAndCommandId(TInt aaDlgResourceId) |
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503 { |
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504 switch (aaDlgResourceId) |
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505 { |
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506 case R_LMK_SELECTOR_OK_BACK_DLG: |
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507 case R_LMK_SELECTOR_OK_BACK_MULTI_DLG: |
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508 { |
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509 iCbaResourceId = R_AVKON_SOFTKEYS_BACK; |
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510 iMskCmdId = EAknSoftkeyOk; |
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511 break; |
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512 } |
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513 case R_LMK_CATEGORY_SELECTOR_OK_CANCEL_MULTI_DLG: |
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514 { |
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515 iCbaResourceId = R_AVKON_SOFTKEYS_CANCEL; |
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516 iMskCmdId = EAknSoftkeyDone; |
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517 break; |
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518 } |
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519 case R_LMK_SELECTOR_OPEN_CANCEL_DLG: |
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520 { |
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521 iCbaResourceId = R_AVKON_SOFTKEYS_CANCEL; |
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522 iMskCmdId = EAknSoftkeyOk; |
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523 break; |
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524 } |
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525 case R_LMK_SELECTOR_OK_CANCEL_DLG: |
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526 case R_LMK_SELECTOR_OK_CANCEL_MULTI_DLG: |
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527 iCbaResourceId = R_AVKON_SOFTKEYS_CANCEL; |
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528 iMskCmdId = EAknSoftkeyOk; |
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529 default: |
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530 break; |
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531 } |
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532 } |
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533 |
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534 // ----------------------------------------------------------------------------- |
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535 // CLmkSelectorDialog::SetDlgEmptyResource() |
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536 // ----------------------------------------------------------------------------- |
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537 // |
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538 void CLmkSelectorDialog::SetDlgEmptyResource(TInt aEmptyPrimLabel ,TInt aEmptySecLabel) |
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539 { |
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540 iDlgEmptyLabelPrimResource = aEmptyPrimLabel; |
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541 iDlgEmptyLabelSecResource = aEmptySecLabel; |
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542 } |
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543 |
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544 // ----------------------------------------------------------------------------- |
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545 // CLmkSelectorDialog::EnableLeftSoftKey() |
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546 // ----------------------------------------------------------------------------- |
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547 // |
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548 void CLmkSelectorDialog::EnableLeftSoftKey(TBool aEnable) |
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549 { |
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550 CEikButtonGroupContainer &pButtonContainer = ButtonGroupContainer(); |
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551 TInt id = pButtonContainer.ButtonGroup()->CommandId(0); |
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552 pButtonContainer.MakeCommandVisible(id,aEnable); |
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553 } |
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554 |
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555 #ifdef RD_SCALABLE_UI_V2 |
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556 // ----------------------------------------------------------------------------- |
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557 // CLmkSelectorDialog::HandleControlEventL() |
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558 // ----------------------------------------------------------------------------- |
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559 // |
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560 void CLmkSelectorDialog::HandleControlEventL( CCoeControl* aControl,TCoeEvent aEventType ) |
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561 { |
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562 //Update the listbox as per the search criteria |
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563 if (!iListProvider) |
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564 { |
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565 if( iFilter ) |
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566 { |
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567 iFilter->HandleControlEventL(aControl, aEventType); |
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568 UpdateMskL(); |
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569 } |
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570 return; |
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571 } |
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572 |
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573 CEikButtonGroupContainer &buttonContainer = ButtonGroupContainer(); |
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574 //Update the msk depending upon the search results while using the virtual keyboard. |
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575 if( aEventType == EEventStateChanged) |
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576 { |
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577 if ( aControl == FindBox() ) |
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578 { |
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579 if(FindBox()->IsVisible()) |
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580 { |
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581 if( NumberOfItems() == 0 ) |
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582 { |
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583 buttonContainer.MakeCommandVisible(EAknSoftkeyOk, EFalse); |
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584 } |
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585 else |
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586 { |
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587 buttonContainer.MakeCommandVisible(EAknSoftkeyOk, ETrue); |
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588 } |
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589 UpdateMskL(); |
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590 |
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591 // Fetch filter from search field |
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592 TInt searchTextLength = FindBox()->TextLength(); |
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593 HBufC* filterBuf = HBufC::NewLC(searchTextLength+1); |
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594 TPtr filter = filterBuf->Des(); |
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595 FindBox()->GetSearchText(filter); |
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596 |
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597 // If filter has changed repopulate list box. (It is necessary to check |
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598 // if filter has changed since each filter change generates several |
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599 // EEventStateChanged events for find box) |
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600 |
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601 if (iListProvider) |
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602 { |
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603 filter.Append(KWildCard); |
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604 if ( iListProvider->StartSearchingLandmarksL(filter,EFalse) == EFalse) |
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605 { |
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606 //Update the listbox as per the search criteria |
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607 if( iFilter ) |
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608 { |
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609 iFilter->HandleControlEventL(aControl, aEventType); |
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610 } |
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611 } |
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612 } |
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613 CleanupStack::PopAndDestroy(filterBuf); |
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614 } |
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615 } |
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616 } |
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617 } |
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618 #endif //RD_SCALABLE_UI_V2 |
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619 // End of File |