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1 /* |
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2 * Copyright (c) 2006-2009 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: Implementation for CAknSingleStyleTreeLeaf class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <AknUtils.h> |
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20 #include <aknlayoutscalable_avkon.cdl.h> |
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21 |
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22 #include "aknsinglestyletreeleaf.h" |
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23 #include "akntree.h" |
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24 #include "akntreelistinternalconstants.h" |
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25 |
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26 using AknTreeListIconID::KDefault; |
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27 using AknTreeListIconID::KNone; |
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28 |
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29 |
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30 // ======== MEMBER FUNCTIONS ======== |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // Two-phased constructor. |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 CAknSingleStyleTreeLeaf* CAknSingleStyleTreeLeaf::NewL( const TDesC& aText, |
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37 TUint32 aFlags ) |
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38 { |
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39 CAknSingleStyleTreeLeaf* self = CAknSingleStyleTreeLeaf::NewLC( aText, |
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40 aFlags ); |
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41 CleanupStack::Pop( self ); |
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42 return self; |
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43 } |
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44 |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // Two-phased constructor. |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 CAknSingleStyleTreeLeaf* CAknSingleStyleTreeLeaf::NewLC( const TDesC& aText, |
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51 TUint32 aFlags ) |
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52 { |
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53 CAknSingleStyleTreeLeaf* self = |
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54 new ( ELeave ) CAknSingleStyleTreeLeaf( aFlags ); |
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55 CleanupStack::PushL( self ); |
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56 self->ConstructL( aText ); |
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57 return self; |
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58 } |
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59 |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // Destructor. |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 CAknSingleStyleTreeLeaf::~CAknSingleStyleTreeLeaf() |
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66 { |
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67 delete iText; |
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68 } |
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69 |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // Returns the text set for the leaf. |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 const TDesC& CAknSingleStyleTreeLeaf::Text() const |
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76 { |
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77 return iText ? *iText : KNullDesC(); |
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78 } |
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79 |
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80 |
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81 // --------------------------------------------------------------------------- |
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82 // Allocates new heap based descriptor for the text, and if the allocation |
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83 // succeeds, deletes the old descriptor and replaces it with the new. |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 void CAknSingleStyleTreeLeaf::SetTextL( const TDesC& aText, TBool aDrawNow ) |
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87 { |
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88 HBufC* tmp = aText.AllocL(); |
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89 delete iText; |
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90 iText = tmp; |
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91 |
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92 if ( aDrawNow ) |
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93 { |
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94 __ASSERT_DEBUG( Root(), User::Invariant() ); |
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95 Root()->ItemModified( this ); |
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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 // --------------------------------------------------------------------------- |
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101 // Returns the icon ID set for the specified tree leaf icon type. |
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102 // --------------------------------------------------------------------------- |
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103 // |
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104 TInt CAknSingleStyleTreeLeaf::Icon( TIconType aType ) const |
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105 { |
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106 TInt iconId = KDefault; |
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107 switch ( aType ) |
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108 { |
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109 case EIcon: |
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110 iconId = iIcon; |
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111 break; |
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112 |
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113 case EOptIcon1: |
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114 iconId = iOptIcon1; |
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115 break; |
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116 |
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117 case EOptIcon2: |
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118 iconId = iOptIcon2; |
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119 break; |
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120 |
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121 case EHighlightedIcon: |
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122 iconId = iHighlightedIcon; |
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123 break; |
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124 |
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125 case EHighlightedOptIcon1: |
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126 iconId = iHighlightedOptIcon1; |
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127 break; |
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128 |
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129 case EHighlightedOptIcon2: |
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130 iconId = iHighlightedOptIcon2; |
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131 break; |
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132 |
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133 default: |
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134 break; |
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135 } |
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136 return iconId; |
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137 } |
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138 |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // Sets the icon ID for specified tree leaf icon type. |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 void CAknSingleStyleTreeLeaf::SetIcon( TIconType aType, TInt aIconId, |
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145 TBool aDrawNow ) |
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146 { |
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147 switch( aType ) |
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148 { |
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149 case EIcon: |
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150 iIcon = aIconId; |
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151 break; |
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152 |
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153 case EOptIcon1: |
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154 iOptIcon1 = aIconId; |
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155 break; |
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156 |
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157 case EOptIcon2: |
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158 iOptIcon2 = aIconId; |
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159 break; |
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160 |
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161 case EHighlightedIcon: |
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162 iHighlightedIcon = aIconId; |
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163 break; |
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164 |
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165 case EHighlightedOptIcon1: |
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166 iHighlightedOptIcon1 = aIconId; |
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167 break; |
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168 |
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169 case EHighlightedOptIcon2: |
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170 iHighlightedOptIcon2 = aIconId; |
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171 break; |
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172 |
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173 default: |
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174 __ASSERT_DEBUG( EFalse, User::Invariant() ); |
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175 break; |
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176 } |
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177 |
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178 if ( aDrawNow ) |
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179 { |
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180 __ASSERT_DEBUG( Root(), User::Invariant() ); |
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181 Root()->ItemModified( this ); |
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182 } |
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183 } |
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184 |
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185 |
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186 // --------------------------------------------------------------------------- |
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187 // Icon ID. |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 TInt CAknSingleStyleTreeLeaf::IconId( TBool aFocused ) const |
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191 { |
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192 // Default ID for icon. |
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193 TInt iconId = CAknTree::EDefaultFileIndication; |
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194 |
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195 // Determine ID for the icon based on focusing and set IDs. |
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196 if ( aFocused && iHighlightedIcon != KDefault ) |
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197 { |
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198 iconId = iHighlightedIcon; |
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199 } |
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200 else if ( iIcon != KDefault ) |
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201 { |
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202 iconId = iIcon; |
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203 } |
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204 |
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205 return iconId; |
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206 } |
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207 |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // Optional icon ID. |
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211 // --------------------------------------------------------------------------- |
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212 // |
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213 TInt CAknSingleStyleTreeLeaf::OptionalIconId( TInt aIndex, |
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214 TBool aFocused ) const |
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215 { |
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216 __ASSERT_DEBUG( aIndex == 0 || aIndex == 1, User::Invariant() ); |
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217 |
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218 // Default ID for optional icon. |
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219 TInt optIconId = AknTreeListIconID::KNone; |
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220 |
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221 // Determine ID for specified optional icon. |
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222 if ( aIndex == 0 ) |
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223 { |
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224 if ( aFocused && iHighlightedOptIcon1 != KDefault ) |
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225 { |
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226 optIconId = iHighlightedOptIcon1; |
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227 } |
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228 else if ( iOptIcon1 != KDefault ) |
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229 { |
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230 optIconId = iOptIcon1; |
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231 } |
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232 } |
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233 else if ( aIndex == 1 ) |
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234 { |
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235 if ( aFocused && iHighlightedOptIcon2 != KDefault ) |
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236 { |
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237 optIconId = iHighlightedOptIcon2; |
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238 } |
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239 else if ( iOptIcon2 != KDefault ) |
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240 { |
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241 optIconId = iOptIcon2; |
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242 } |
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243 } |
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244 |
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245 return optIconId; |
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246 } |
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247 |
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248 |
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249 // --------------------------------------------------------------------------- |
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250 // Text variety depending on optional icons. |
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251 // --------------------------------------------------------------------------- |
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252 // |
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253 TInt CAknSingleStyleTreeLeaf::TextVariety( TInt aOptIconId1, |
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254 TInt aOptIconId2 ) const |
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255 { |
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256 TInt textVariety = 0; |
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257 if ( aOptIconId1 != AknTreeListIconID::KNone ) |
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258 { |
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259 textVariety = 1; |
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260 } |
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261 if ( aOptIconId2 != AknTreeListIconID::KNone ) |
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262 { |
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263 textVariety = 2; |
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264 } |
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265 return textVariety; |
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266 } |
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267 |
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268 |
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269 // --------------------------------------------------------------------------- |
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270 // From class CAknTreeItem. |
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271 // Returns the type of concrete item class. |
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272 // --------------------------------------------------------------------------- |
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273 // |
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274 TInt CAknSingleStyleTreeLeaf::Type() const |
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275 { |
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276 return AknTreeList::KSingleStyleTreeLeaf; |
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277 } |
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278 |
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279 |
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280 // --------------------------------------------------------------------------- |
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281 // From class CAknTreeItem. |
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282 // Draws the tree leaf to appointed graphics context. |
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283 // --------------------------------------------------------------------------- |
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284 // |
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285 void CAknSingleStyleTreeLeaf::Draw( CWindowGc& aGc, const TRect& aItemRect, |
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286 const TRect& /*aRect*/, TBool aFocused ) const |
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287 { |
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288 CAknTree* root = Root(); |
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289 __ASSERT_DEBUG( root, User::Invariant() ); |
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290 |
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291 // Icon. |
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292 TInt iconVariety = 0; // Arbitrarily selected variety. |
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293 TRect iconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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294 list_single_graphic_hl_pane_g2( iconVariety ) ); |
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295 |
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296 TInt iconId = IconId( aFocused ); |
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297 // Dragging/flicking |
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298 |
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299 if ( iIcon != AknTreeListIconID::KNone ) |
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300 { |
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301 root->DrawIcon( iconId, iconRect.Size(), aGc, iconRect.iTl, |
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302 iconRect.Size() ); |
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303 } |
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304 |
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305 // Optional icon IDs. |
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306 TInt optIconId1 = OptionalIconId( 0, aFocused ); |
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307 TInt optIconId2 = OptionalIconId( 1, aFocused ); |
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308 |
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309 // Text variety is set according to required optional icons. |
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310 TInt textVariety = TextVariety( optIconId1, optIconId2 ); |
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311 |
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312 // Text. |
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313 TAknLayoutText layoutText; |
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314 layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon:: |
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315 list_single_graphic_hl_pane_t1( textVariety ).LayoutLine() ); |
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316 |
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317 root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon:: |
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318 list_single_graphic_hl_pane_t1( textVariety ), *iText, NULL, this, |
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319 aFocused, ETrue ); |
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320 |
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321 // Optional item state indication icon. |
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322 TInt optIconVariety1 = 1; |
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323 TRect optIconRect1 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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324 list_single_graphic_hl_pane_g4( optIconVariety1 ) ); |
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325 |
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326 if ( optIconId1 != KNone ) |
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327 { |
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328 root->DrawIcon( optIconId1, optIconRect1.Size(), aGc, |
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329 optIconRect1.iTl, optIconRect1.Size() ); |
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330 } |
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331 |
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332 // Another optional item state indication icon. |
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333 TInt optIconVariety2 = 1; |
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334 TRect optIconRect2 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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335 list_single_graphic_hl_pane_g5( optIconVariety2 ) ); |
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336 |
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337 if ( optIconId2 != KNone ) |
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338 { |
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339 root->DrawIcon( optIconId2, optIconRect2.Size(), aGc, |
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340 optIconRect2.iTl, optIconRect2.Size() ); |
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341 } |
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342 } |
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343 |
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344 |
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345 // --------------------------------------------------------------------------- |
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346 // From class CAknTreeItem. |
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347 // Handles pointer events. |
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348 // --------------------------------------------------------------------------- |
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349 // |
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350 void CAknSingleStyleTreeLeaf::HandlePointerEventL( |
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351 const TPointerEvent& /*aPointerEvent*/, const TRect& /*aItemRect*/ ) |
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352 { |
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353 } |
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354 |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // C++ constructor. |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 CAknSingleStyleTreeLeaf::CAknSingleStyleTreeLeaf( TUint32 aFlags ) |
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361 : CAknTreeLeaf( aFlags ), |
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362 iIcon( KDefault ), |
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363 iOptIcon1( KDefault ), |
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364 iOptIcon2( KDefault ), |
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365 iHighlightedIcon( KDefault ), |
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366 iHighlightedOptIcon1( KDefault ), |
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367 iHighlightedOptIcon2( KDefault ) |
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368 { |
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369 } |
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370 |
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371 |
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372 // --------------------------------------------------------------------------- |
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373 // Second phase constructor. |
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374 // --------------------------------------------------------------------------- |
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375 // |
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376 void CAknSingleStyleTreeLeaf::ConstructL( const TDesC& aText ) |
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377 { |
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378 iText = aText.AllocL(); |
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379 } |
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380 |