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1 /* |
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2 * Copyright (c) 2002-2009 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: |
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15 * Support for CheckBoxes in Popped up setting pages |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include "akncheckboxsettingpage.h" |
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21 |
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22 // For icon support |
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23 #include <gulicon.h> |
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24 #include <barsread.h> |
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25 |
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26 // For icon array support |
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27 #include <AknIconArray.h> |
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28 |
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29 // lists |
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30 #include <aknlists.h> |
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31 |
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32 #include <AknTasHook.h> |
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33 // Used for setting 0 and 1 in the radio button |
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34 _LIT(KOneSlashT, "1\t"); |
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35 |
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36 // Selectable Item Array |
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37 |
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38 EXPORT_C CSelectableItem::CSelectableItem( TDesC& aItem, TBool aSelected ) : |
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39 iDesC(aItem), iSelected( aSelected ) |
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40 { |
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41 } |
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42 |
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43 |
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44 EXPORT_C void CSelectableItem::ConstructL() |
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45 { |
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46 iItem = iDesC.AllocL(); |
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47 } |
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48 |
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49 CSelectableItem::~CSelectableItem() |
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50 { |
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51 delete ( iItem ); |
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52 } |
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53 |
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54 EXPORT_C void CSelectableItem::SetSelectionStatus( TBool aSelected ) |
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55 { |
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56 iSelected = aSelected; |
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57 } |
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58 |
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59 EXPORT_C TBool CSelectableItem::SelectionStatus() |
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60 { |
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61 return iSelected; |
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62 } |
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63 |
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64 EXPORT_C TPtrC CSelectableItem::ItemText() |
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65 { |
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66 return (TPtrC)(*iItem); |
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67 } |
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68 |
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69 |
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70 EXPORT_C CSelectionItemList::CSelectionItemList(TInt aGranularity) : CArrayPtrFlat<CSelectableItem>( aGranularity ) |
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71 { |
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72 } |
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73 |
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74 |
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75 EXPORT_C TInt CSelectionItemList::MdcaCount() const |
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76 { |
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77 return Count(); |
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78 } |
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79 |
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80 EXPORT_C TPtrC CSelectionItemList::MdcaPoint(TInt anIndex) const |
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81 { |
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82 return ( (TPtrC)( (At(anIndex))->ItemText() )); |
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83 } |
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84 |
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85 // Extension for CAknCheckBoxSettingPage |
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86 NONSHARABLE_CLASS(CAknCheckBoxSettingPageExtension): public CBase |
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87 { |
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88 public: |
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89 CAknCheckBoxSettingPageExtension(); |
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90 public: |
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91 TBool iIsDragged; |
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92 }; |
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93 |
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94 CAknCheckBoxSettingPageExtension::CAknCheckBoxSettingPageExtension() |
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95 : iIsDragged(EFalse) |
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96 { |
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97 } |
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98 |
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99 ////////////////////////////////////////////////////////////////////// |
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100 // Construction/Destruction |
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101 ////////////////////////////////////////////////////////////////////// |
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102 |
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103 |
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104 /** |
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105 * Destructor |
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106 * |
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107 */ |
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108 EXPORT_C CAknCheckBoxSettingPage::~CAknCheckBoxSettingPage() |
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109 { |
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110 AKNTASHOOK_REMOVE(); |
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111 delete (iInternalItemArray); |
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112 delete iExtension; |
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113 } |
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114 |
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115 |
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116 EXPORT_C CAknCheckBoxSettingPage::CAknCheckBoxSettingPage( TInt aResourceId, CSelectionItemList* aItemArray): |
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117 CAknListBoxSettingPage(aResourceId), iItemArray(aItemArray) |
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118 { |
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119 AKNTASHOOK_ADD( this, "CAknCheckBoxSettingPage" ); |
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120 } |
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121 |
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122 |
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123 EXPORT_C CAknCheckBoxSettingPage::CAknCheckBoxSettingPage( |
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124 const TDesC* aSettingText, |
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125 TInt aSettingNumber, |
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126 TInt aControlType, |
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127 TInt aEditorResourceId, |
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128 TInt aSettingPageResourceId, |
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129 CSelectionItemList* aItemArray ) |
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130 : CAknListBoxSettingPage( |
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131 aSettingText, |
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132 aSettingNumber, |
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133 aControlType, |
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134 aEditorResourceId, |
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135 aSettingPageResourceId ), |
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136 iItemArray(aItemArray) |
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137 { |
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138 AKNTASHOOK_ADD( this, "CAknCheckBoxSettingPage" ); |
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139 } |
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140 |
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141 |
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142 EXPORT_C void CAknCheckBoxSettingPage::ConstructL() |
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143 { |
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144 BaseConstructL(); |
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145 iExtension = new(ELeave) CAknCheckBoxSettingPageExtension; |
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146 |
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147 CreateCheckBoxBitmapsL(); |
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148 |
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149 GenerateInternalArrayAndGiveToListBoxL(); |
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150 |
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151 // This updates the CBA |
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152 CheckAndSetDataValidity(); |
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153 UpdateCbaL(); |
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154 |
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155 // Only a reference to the CBase object; not owned |
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156 CAknSetStyleListBox* listBox = ListBoxControl(); |
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157 |
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158 listBox->SetListBoxObserver(this); |
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159 |
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160 // Set the scroller indication to appear when needed |
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161 listBox->CreateScrollBarFrameL(ETrue, ETrue); |
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162 listBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff,CEikScrollBarFrame::EAuto); |
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163 listBox->ItemDrawer()->FormattedCellData()->SetDrawScrollbarBackground( EFalse ); |
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164 |
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165 listBox->ScrollBarFrame()->VerticalScrollBar()->SetMopParent(this); |
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166 listBox->UpdateScrollBarsL(); |
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167 |
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168 if(!IsBackgroundDrawingEnabled()) |
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169 listBox->ScrollBarFrame()->DrawBackground(EFalse, EFalse); |
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170 |
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171 // To force the layout |
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172 SizeChanged(); |
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173 |
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174 // check and change MSK according to item selection status |
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175 CEikButtonGroupContainer *bgc; |
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176 CCoeControl* MSK(NULL); |
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177 CEikCba* cba(NULL); |
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178 MopGetObject(bgc); |
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179 TInt newResourceId(NULL); |
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180 if (bgc) |
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181 { |
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182 cba = ( static_cast<CEikCba*>( bgc->ButtonGroup() ) ); // downcast from MEikButtonGroup |
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183 if (cba) |
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184 { |
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185 MSK = cba->Control(3); // MSK's position is 3 |
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186 } |
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187 } |
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188 TInt currentSelectionIndex = listBox->CurrentItemIndex(); |
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189 |
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190 if( iItemArray && iItemArray->Count() > 0 ) |
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191 { |
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192 if (MSK && ( (cba->ControlId(MSK) == EAknSoftkeyMark) || |
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193 (cba->ControlId(MSK) == EAknSoftkeyUnmark) )) |
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194 { |
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195 if( (*iItemArray)[currentSelectionIndex]->SelectionStatus() ) |
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196 { |
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197 newResourceId = R_AVKON_SOFTKEY_UNMARK; |
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198 } |
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199 else |
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200 { |
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201 newResourceId = R_AVKON_SOFTKEY_MARK; |
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202 } |
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203 } |
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204 if (newResourceId) |
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205 { |
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206 bgc->SetCommandL(3,newResourceId); |
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207 cba->DrawNow(); |
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208 } |
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209 } |
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210 |
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211 // Construct an appropriate control context for the contained editor areas. |
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212 // Context produced is owned by CAknSettingPage. |
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213 SetEditedItemFrameIID( KAknsIIDQsnFrSetOpt, KAknsIIDQsnFrSetOptCenter ); |
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214 } |
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215 |
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216 |
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217 EXPORT_C void CAknCheckBoxSettingPage::HandleListBoxEventL(CEikListBox* /*aListBox*/, |
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218 MEikListBoxObserver::TListBoxEvent aEventType) |
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219 { |
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220 if (!iExtension) |
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221 { |
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222 iExtension = new (ELeave) CAknCheckBoxSettingPageExtension; |
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223 } |
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224 |
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225 switch ( aEventType ) |
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226 { |
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227 // Fall through these things that should all cause the selection to change |
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228 case MEikListBoxObserver::EEventEnterKeyPressed: |
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229 case MEikListBoxObserver::EEventItemActioned: |
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230 case MEikListBoxObserver::EEventItemClicked: |
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231 case MEikListBoxObserver::EEventItemSingleClicked: |
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232 // select when no dragging |
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233 if ( !iExtension->iIsDragged ) |
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234 { |
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235 ToggleSelectionL(); |
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236 UpdateSettingL(); |
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237 } |
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238 break; |
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239 case MEikListBoxObserver::EEventItemDraggingActioned: |
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240 case EEventPanningStarted: |
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241 case EEventFlickStarted: |
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242 iExtension->iIsDragged = ETrue; |
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243 break; |
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244 case MEikListBoxObserver::EEventPenDownOnItem: |
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245 iExtension->iIsDragged = EFalse; |
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246 if( iSettingPageObserver ) |
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247 iSettingPageObserver->HandleSettingPageEventL(this, MAknSettingPageObserver::EEventSettingChanged); |
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248 break; |
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249 default: |
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250 break; |
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251 } |
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252 } |
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253 |
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254 void CAknCheckBoxSettingPage::ToggleSelectionL() |
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255 { |
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256 CAknSetStyleListBox* listBox = ListBoxControl(); |
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257 CListBoxView* view = listBox->View(); |
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258 TInt currentSelectionIndex = listBox->CurrentItemIndex(); |
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259 |
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260 TInt newResourceId(NULL); |
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261 // Toggle based upon current master status |
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262 if( iItemArray && iItemArray->Count() > 0 ) |
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263 { |
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264 if( (*iItemArray)[currentSelectionIndex]->SelectionStatus() ) |
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265 { |
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266 view->DeselectItem( currentSelectionIndex ); |
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267 ( (*iItemArray)[ currentSelectionIndex ] )->SetSelectionStatus( EFalse ); |
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268 newResourceId = R_AVKON_SOFTKEY_MARK; |
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269 } |
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270 else |
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271 { |
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272 view->SelectItemL( currentSelectionIndex ); |
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273 ( (*iItemArray)[ currentSelectionIndex ] )->SetSelectionStatus( ETrue ); |
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274 newResourceId = R_AVKON_SOFTKEY_UNMARK; |
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275 } |
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276 } |
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277 |
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278 |
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279 // if the selection came from Mark/Unmark event from MSK, toggle also MSK |
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280 CEikButtonGroupContainer *bgc; |
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281 CCoeControl* MSK(NULL); |
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282 CEikCba* cba(NULL); |
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283 MopGetObject(bgc); |
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284 if (bgc) |
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285 { |
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286 cba = ( static_cast<CEikCba*>( bgc->ButtonGroup() ) ); // downcast from MEikButtonGroup |
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287 if (cba) |
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288 { |
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289 MSK = cba->Control(3); // MSK's position is 3 |
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290 } |
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291 } |
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292 if (MSK && ( (cba->ControlId(MSK) == EAknSoftkeyMark) || |
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293 (cba->ControlId(MSK) == EAknSoftkeyUnmark) )) |
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294 { |
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295 if (newResourceId) |
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296 { |
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297 bgc->SetCommandL(3,newResourceId); |
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298 cba->DrawNow(); |
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299 } |
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300 } |
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301 |
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302 if( iSettingPageObserver ) |
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303 iSettingPageObserver->HandleSettingPageEventL(this, MAknSettingPageObserver::EEventSettingChanged); |
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304 |
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305 } |
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306 |
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307 EXPORT_C void CAknCheckBoxSettingPage::UpdateSettingL() |
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308 { |
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309 } |
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310 |
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311 EXPORT_C CAknSetStyleListBox* CAknCheckBoxSettingPage::ListBoxControl() const |
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312 { |
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313 return STATIC_CAST( CAknSetStyleListBox*, EditorControl()); |
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314 } |
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315 |
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316 |
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317 EXPORT_C void CAknCheckBoxSettingPage::DynamicInitL() |
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318 { |
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319 } |
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320 |
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321 |
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322 void CAknCheckBoxSettingPage::UpdateAllSelections() |
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323 { |
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324 TInt nItems = iItemArray->Count(); |
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325 CAknSetStyleListBox* listBox = ListBoxControl(); |
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326 CListBoxView* view = listBox->View(); |
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327 |
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328 for (TInt ii=0; ii<nItems; ii++) |
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329 { |
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330 (*iItemArray)[ ii ]->SetSelectionStatus( view->ItemIsSelected( ii ) ); |
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331 } |
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332 |
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333 } |
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334 |
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335 void CAknCheckBoxSettingPage::SetAllSelectionsL() |
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336 { |
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337 TInt nItems = iItemArray->Count(); |
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338 CAknSetStyleListBox* listBox = ListBoxControl(); |
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339 CListBoxView* view = listBox->View(); |
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340 |
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341 for (TInt ii=0; ii<nItems; ii++) |
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342 { |
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343 if ( (*iItemArray)[ ii ]->SelectionStatus() ) |
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344 view->SelectItemL( ii ); |
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345 else |
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346 view->DeselectItem( ii ); |
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347 } |
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348 |
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349 } |
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350 |
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351 /** |
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352 * Processes events from the softkeys. (Or tranlated from key events) |
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353 * |
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354 * |
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355 * @param aCommandId Event Id from the soft-key |
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356 */ |
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357 EXPORT_C void CAknCheckBoxSettingPage::ProcessCommandL(TInt aCommandId) |
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358 { |
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359 HideMenu(); |
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360 |
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361 // Respond to softkey events |
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362 switch (aCommandId) |
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363 { |
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364 case EAknSoftkeySelect: |
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365 case EAknSoftkeyMark: |
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366 case EAknSoftkeyUnmark: |
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367 if ( AknLayoutUtils::PenEnabled() ) |
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368 { |
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369 if (ListBoxControl()->View()->ItemIsVisible(ListBoxControl()->View()->CurrentItemIndex())) |
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370 { |
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371 SelectCurrentItemL(); |
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372 } |
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373 else |
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374 { |
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375 // No exit in this case |
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376 ListBoxControl()->View()->ScrollToMakeItemVisible(ListBoxControl()->View()->CurrentItemIndex()); |
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377 ListBoxControl()->UpdateScrollBarsL(); |
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378 } |
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379 } |
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380 else |
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381 { |
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382 SelectCurrentItemL(); // No exit in this case |
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383 } |
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384 break; |
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385 case EAknSoftkeyOk: |
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386 case EAknSoftkeyDone: |
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387 if ( AknLayoutUtils::PenEnabled() ) |
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388 { |
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389 // Pen support changes selection only in the view, do update for items here. |
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390 UpdateAllSelections(); |
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391 } |
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392 AttemptExitL(ETrue); |
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393 break; |
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394 case EAknSoftkeyBack: |
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395 case EAknSoftkeyCancel: |
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396 AttemptExitL(EFalse); |
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397 break; |
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398 case EAknSoftkeyOptions: |
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399 DisplayMenuL(); |
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400 break; |
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401 default: |
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402 break; |
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403 } |
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404 } |
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405 |
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406 EXPORT_C void CAknCheckBoxSettingPage::SelectCurrentItemL() |
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407 { |
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408 ToggleSelectionL(); |
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409 UpdateSettingL(); |
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410 } |
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411 |
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412 void CAknCheckBoxSettingPage::GenerateInternalArrayAndGiveToListBoxL() |
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413 { |
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414 |
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415 delete iInternalItemArray; |
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416 iInternalItemArray = 0; |
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417 |
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418 // Make a new owned text array from the input one: |
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419 iInternalItemArray = new(ELeave)CDesCArrayFlat(1); |
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420 TInt nItems = iItemArray->Count(); |
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421 |
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422 for (TInt ii=0; ii<nItems; ii++) |
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423 { |
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424 // Fill up the control-owned space for the modified buffers: |
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425 TInt newLen = ((*iItemArray)[ii]->ItemText()).Length() + KOneSlashT().Length(); |
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426 HBufC* newText = HBufC::NewMaxLC( newLen ); |
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427 |
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428 TPtr newTPtr = newText->Des(); |
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429 newTPtr.Copy( KOneSlashT ); |
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430 newTPtr.Append( ((*iItemArray)[ii])->ItemText() ); |
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431 // A copy of the new buffer goes to the internal itemarray: |
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432 iInternalItemArray->AppendL(newTPtr); |
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433 CleanupStack::PopAndDestroy(); // newText |
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434 } |
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435 |
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436 CAknSetStyleListBox* listBox = ListBoxControl(); |
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437 |
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438 CTextListBoxModel* model=listBox->Model(); |
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439 model->SetItemTextArray(iInternalItemArray); |
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440 model->SetOwnershipType(ELbmDoesNotOwnItemArray); |
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441 |
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442 // |
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443 // let the list box not throw away pointer event |
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444 // |
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445 if( nItems > 0) |
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446 { |
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447 CArrayFix<TInt>* tmp = new(ELeave)CArrayFixFlat<TInt>(nItems); |
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448 CleanupStack::PushL( tmp ); |
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449 for(TInt i=0; i<nItems; i++) |
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450 { |
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451 tmp->AppendL( i ); |
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452 } |
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453 listBox->SetPointerEventFilterDisabledL( *tmp ); |
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454 CleanupStack::PopAndDestroy( tmp ); |
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455 } |
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456 |
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457 // Transfer the selected status from the input array into the listbox view: |
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458 SetAllSelectionsL(); |
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459 |
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460 } |
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461 |
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462 EXPORT_C void CAknCheckBoxSettingPage::SetSelectionItemArrayL( CSelectionItemList* aItemArray ) |
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463 { |
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464 iItemArray = aItemArray; |
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465 GenerateInternalArrayAndGiveToListBoxL(); |
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466 |
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467 // This updates the CBA |
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468 CheckAndSetDataValidity(); |
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469 UpdateCbaL(); |
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470 |
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471 SizeChanged(); |
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472 DrawDeferred(); |
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473 } |
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474 |
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475 /** |
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476 * Writes the internal state of the control and its components to aStream. |
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477 * Does nothing in release mode. |
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478 * Designed to be overidden and base called by subclasses. |
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479 */ |
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480 #ifndef _DEBUG |
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481 EXPORT_C void CAknCheckBoxSettingPage::WriteInternalStateL(RWriteStream& /*aWriteStream*/) const |
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482 {} |
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483 #else |
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484 EXPORT_C void CAknCheckBoxSettingPage::WriteInternalStateL(RWriteStream& aWriteStream) const |
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485 { |
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486 CAknSettingPage::WriteInternalStateL(aWriteStream); |
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487 } |
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488 #endif |
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489 |
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490 //--------------------------------------------------------------------------------------- |
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491 // CAknCheckBoxSettingPage::HandlePointerEventL() |
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492 // Handles pointer events by removing Shift and Control button modifiers from it and |
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493 // sends modified pointerevent to CEikListbox. This prevents multiselection |
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494 //--------------------------------------------------------------------------------------- |
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495 // |
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496 EXPORT_C void CAknCheckBoxSettingPage::HandlePointerEventL(const TPointerEvent& aPointerEvent) |
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497 { |
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498 if ( !iExtension ) |
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499 { |
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500 iExtension = new(ELeave) CAknCheckBoxSettingPageExtension; |
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501 } |
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502 |
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503 TPointerEvent newPointerEvent = aPointerEvent; |
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504 |
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505 // Remove Shift and Ctrl modifiers from PointerEvent |
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506 newPointerEvent.iModifiers &= ~EModifierShift; |
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507 newPointerEvent.iModifiers &= ~EModifierCtrl; |
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508 |
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509 // If click on an item, pressed down state draw. After dragging to other item |
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510 // or outside, item can not be selected. |
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511 CAknSetStyleListBox* listbox = ListBoxControl(); |
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512 TInt index; |
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513 if ( newPointerEvent.iType == TPointerEvent::EButton1Down |
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514 && listbox->View()->XYPosToItemIndex( newPointerEvent.iPosition, index )) |
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515 { |
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516 listbox->View()->ItemDrawer()->SetFlags( CListItemDrawer::EPressedDownState ); |
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517 } |
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518 else if ( aPointerEvent.iType == TPointerEvent::EDrag |
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519 && !listbox->Rect().Contains( aPointerEvent.iPosition )) |
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520 { |
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521 iExtension->iIsDragged = ETrue; |
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522 } |
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523 |
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524 CAknListBoxSettingPage::HandlePointerEventL( aPointerEvent ); |
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525 } |
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526 |
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527 void CAknCheckBoxSettingPage::CreateCheckBoxBitmapsL() |
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528 { |
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529 // Only a reference to the CBase object; not owned |
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530 CAknSetStyleListBox* listBox = ListBoxControl(); |
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531 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
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532 |
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533 // In case CAknPopupSettingList has already created the icons |
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534 if ( listBox->ItemDrawer()->FormattedCellData()->IconArray() ) |
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535 { |
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536 listBox->ItemDrawer()->FormattedCellData()->IconArray()->ResetAndDestroy(); |
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537 delete (listBox->ItemDrawer()->FormattedCellData()->IconArray()); |
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538 } |
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539 |
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540 TResourceReader reader; |
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541 // Original code used R_AVKON_SETTING_PAGE_CHECKBOX_ICONS but |
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542 // R_AVKON_RADIOBUTT_BMP defines the same icons. |
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543 iCoeEnv->CreateResourceReaderLC(reader, R_AVKON_SETTING_PAGE_CHECKBOX_ICONS); |
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544 |
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545 reader.ReadInt16(); //not needed, simple or complex |
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546 |
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547 HBufC* bmpFile = reader.ReadHBufCL(); |
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548 TInt count = reader.ReadInt16(); // count |
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549 |
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550 if(count<2) |
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551 User::Leave(KErrCorrupt); |
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552 |
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553 TInt32 bmpSelected = reader.ReadInt32(); |
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554 TInt32 bmpSelectedM = reader.ReadInt32(); |
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555 TInt32 bmp = reader.ReadInt32(); |
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556 TInt32 bmpM = reader.ReadInt32(); |
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557 CleanupStack::PopAndDestroy(); // reader |
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558 |
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559 if (bmpFile == NULL) |
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560 User::Leave(KErrCorrupt); |
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561 |
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562 CleanupStack::PushL(bmpFile); |
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563 |
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564 CArrayPtr<CGulIcon>* icons = new(ELeave) CAknIconArray(4); |
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565 // put on the cleanup stack until ownership is transferred |
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566 CleanupStack::PushL( icons ); |
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567 |
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568 // create normally colored icons |
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569 CreateIconAndAddToArrayL( icons, |
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570 KAknsIIDQgnIndiCheckboxOn, |
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571 EAknsCIQsnIconColorsCG14, |
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572 *bmpFile, |
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573 bmpSelected, |
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574 bmpSelectedM ); |
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575 |
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576 CreateIconAndAddToArrayL( icons, |
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577 KAknsIIDQgnIndiCheckboxOff, |
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578 EAknsCIQsnIconColorsCG14, |
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579 *bmpFile, |
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580 bmp, |
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581 bmpM ); |
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582 |
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583 // create highlight colored icons |
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584 CreateIconAndAddToArrayL( icons, |
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585 KAknsIIDQgnIndiCheckboxOn, |
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586 EAknsCIQsnIconColorsCG18, |
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587 *bmpFile, |
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588 bmpSelected, |
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589 bmpSelectedM ); |
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590 |
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591 CreateIconAndAddToArrayL( icons, |
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592 KAknsIIDQgnIndiCheckboxOff, |
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593 EAknsCIQsnIconColorsCG18, |
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594 *bmpFile, |
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595 bmp, |
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596 bmpM ); |
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597 |
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598 |
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599 listBox->ItemDrawer()->FormattedCellData()->SetIconArrayL(icons); // ownership transferred, cell data deletes all members of list |
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600 listBox->ItemDrawer()->FormattedCellData()->UseHighlightIconSwapping( ETrue ); |
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601 |
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602 CleanupStack::Pop(); // icons - ownership now transferred; do not destroy |
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603 CleanupStack::PopAndDestroy(); // bmpfile |
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604 } |
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605 |
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606 EXPORT_C void CAknCheckBoxSettingPage::HandleResourceChange(TInt aType) |
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607 { |
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608 if( aType == KAknsMessageSkinChange ) |
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609 { |
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610 TRAP_IGNORE( CreateCheckBoxBitmapsL() ); |
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611 } |
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612 |
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613 CAknSettingPage::HandleResourceChange(aType); |
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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 * Setting Page reserved methods |
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619 */ |
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620 |
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621 EXPORT_C void* CAknCheckBoxSettingPage::ExtensionInterface( TUid /*aInterface*/ ) |
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622 { |
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623 return NULL; |
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624 } |
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625 |
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626 /** |
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627 * Reserved method derived from CCoeControl |
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628 */ |
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629 EXPORT_C void CAknCheckBoxSettingPage::Reserved_2() |
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630 { |
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631 } |
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632 |
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633 /** |
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634 * Setting Page reserved methods |
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635 */ |
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636 EXPORT_C void CAknCheckBoxSettingPage::CAknSettingPage_Reserved_1() |
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637 { |
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638 } |
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639 EXPORT_C void CAknCheckBoxSettingPage::CAknSettingPage_Reserved_2() |
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640 { |
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641 } |
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642 |
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643 /** |
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644 * CAknListBoxSettingPage-derived reserved methods |
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645 */ |
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646 EXPORT_C void CAknCheckBoxSettingPage::CAknListBoxSettingPage_Reserved_1() |
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647 { |
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648 } |
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649 |
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650 // End of File |