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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 CAknSingleStyleTreeNode 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 "aknsinglestyletreenode.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 CAknSingleStyleTreeNode* CAknSingleStyleTreeNode::NewL( const TDesC& aText, |
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37 TUint32 aFlags ) |
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38 { |
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39 CAknSingleStyleTreeNode* self = |
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40 CAknSingleStyleTreeNode::NewLC( aText, 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 CAknSingleStyleTreeNode* CAknSingleStyleTreeNode::NewLC( const TDesC& aText, |
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51 TUint32 aFlags ) |
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52 { |
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53 CAknSingleStyleTreeNode* self = |
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54 new ( ELeave ) CAknSingleStyleTreeNode( 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 CAknSingleStyleTreeNode::~CAknSingleStyleTreeNode() |
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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 the node. |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 const TDesC& CAknSingleStyleTreeNode::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 CAknSingleStyleTreeNode::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 node icon type. |
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102 // --------------------------------------------------------------------------- |
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103 // |
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104 TInt CAknSingleStyleTreeNode::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 EExpandedIcon: |
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110 iconId = iExpandedIcon; |
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111 break; |
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112 |
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113 case ECollapsedIcon: |
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114 iconId = iCollapsedIcon; |
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115 break; |
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116 |
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117 case EOptIcon1: |
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118 iconId = iOptIcon1; |
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119 break; |
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120 |
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121 case EOptIcon2: |
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122 iconId = iOptIcon2; |
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123 break; |
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124 |
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125 case EHighlightedExpandedIcon: |
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126 iconId = iHighlightedExpandedIcon; |
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127 break; |
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128 |
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129 case EHighlightedCollapsedIcon: |
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130 iconId = iHighlightedCollapsedIcon; |
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131 break; |
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132 |
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133 case EHighlightedOptIcon1: |
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134 iconId = iHighlightedOptIcon1; |
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135 break; |
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136 |
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137 case EHighlightedOptIcon2: |
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138 iconId = iHighlightedOptIcon2; |
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139 break; |
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140 |
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141 default: |
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142 break; |
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143 } |
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144 return iconId; |
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145 } |
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146 |
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147 |
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148 // --------------------------------------------------------------------------- |
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149 // Sets the icon ID for specified tree node icon type. |
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150 // --------------------------------------------------------------------------- |
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151 // |
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152 void CAknSingleStyleTreeNode::SetIcon( TIconType aType, TInt aIconId, |
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153 TBool aDrawNow ) |
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154 { |
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155 switch ( aType ) |
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156 { |
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157 case EExpandedIcon: |
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158 iExpandedIcon = aIconId; |
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159 break; |
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160 |
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161 case ECollapsedIcon: |
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162 iCollapsedIcon = aIconId; |
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163 break; |
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164 |
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165 case EOptIcon1: |
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166 iOptIcon1 = aIconId; |
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167 break; |
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168 |
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169 case EOptIcon2: |
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170 iOptIcon2 = aIconId; |
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171 break; |
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172 |
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173 case EHighlightedExpandedIcon: |
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174 iHighlightedExpandedIcon = aIconId; |
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175 break; |
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176 |
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177 case EHighlightedCollapsedIcon: |
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178 iHighlightedCollapsedIcon = aIconId; |
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179 break; |
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180 |
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181 case EHighlightedOptIcon1: |
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182 iHighlightedOptIcon1 = aIconId; |
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183 break; |
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184 |
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185 case EHighlightedOptIcon2: |
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186 iHighlightedOptIcon2 = aIconId; |
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187 break; |
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188 |
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189 default: |
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190 __ASSERT_DEBUG( EFalse, User::Invariant() ); |
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191 break; |
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192 } |
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193 |
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194 if ( aDrawNow ) |
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195 { |
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196 __ASSERT_DEBUG( Root(), User::Invariant() ); |
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197 Root()->ItemModified( this ); |
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198 } |
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199 } |
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200 |
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201 |
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202 // --------------------------------------------------------------------------- |
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203 // Icon ID. |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 TInt CAknSingleStyleTreeNode::IconId( TBool aFocused ) const |
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207 { |
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208 TInt iconId = KNone; |
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209 if ( IsExpanded() ) |
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210 { |
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211 iconId = CAknTree::EOpenFolderIndication; |
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212 if ( aFocused && iHighlightedExpandedIcon != KDefault ) |
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213 { |
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214 iconId = iHighlightedExpandedIcon; |
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215 } |
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216 else if ( iExpandedIcon != KDefault ) |
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217 { |
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218 iconId = iExpandedIcon; |
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219 } |
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220 } |
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221 else |
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222 { |
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223 iconId = CAknTree::EClosedFolderIndication; |
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224 if ( aFocused && iHighlightedCollapsedIcon != KDefault ) |
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225 { |
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226 iconId = iHighlightedCollapsedIcon; |
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227 } |
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228 else if ( iCollapsedIcon != KDefault ) |
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229 { |
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230 iconId = iCollapsedIcon; |
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231 } |
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232 } |
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233 return iconId; |
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234 } |
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235 |
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236 |
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237 // --------------------------------------------------------------------------- |
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238 // Optional icon ID. |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 TInt CAknSingleStyleTreeNode::OptionalIconId( TInt aIndex, |
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242 TBool aFocused ) const |
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243 { |
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244 __ASSERT_DEBUG( aIndex == 0 || aIndex == 1, User::Invariant() ); |
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245 |
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246 // Default ID for optional icon. |
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247 TInt optIconId = AknTreeListIconID::KNone; |
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248 |
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249 // Determine ID for specified optional icon. |
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250 if ( aIndex == 0 ) |
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251 { |
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252 if ( aFocused && iHighlightedOptIcon1 != KDefault ) |
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253 { |
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254 optIconId = iHighlightedOptIcon1; |
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255 } |
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256 else if ( iOptIcon1 != KDefault ) |
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257 { |
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258 optIconId = iOptIcon1; |
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259 } |
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260 } |
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261 else if ( aIndex == 1 ) |
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262 { |
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263 if ( aFocused && iHighlightedOptIcon2 != KDefault ) |
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264 { |
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265 optIconId = iHighlightedOptIcon2; |
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266 } |
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267 else if ( iOptIcon2 != KDefault ) |
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268 { |
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269 optIconId = iOptIcon2; |
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270 } |
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271 } |
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272 |
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273 return optIconId; |
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274 } |
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275 |
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276 |
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277 // --------------------------------------------------------------------------- |
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278 // Text variety depending on optional icons. |
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279 // --------------------------------------------------------------------------- |
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280 // |
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281 TInt CAknSingleStyleTreeNode::TextVariety( TInt aOptIconId1, |
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282 TInt aOptIconId2 ) const |
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283 { |
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284 TInt textVariety = 0; |
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285 if ( aOptIconId1 != AknTreeListIconID::KNone ) |
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286 { |
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287 textVariety = 1; |
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288 } |
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289 if ( aOptIconId2 != AknTreeListIconID::KNone ) |
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290 { |
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291 textVariety = 2; |
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292 } |
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293 return textVariety; |
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294 } |
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295 |
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296 |
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297 // --------------------------------------------------------------------------- |
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298 // From class CAknTreeItem. |
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299 // Returns the type of concrete item class. |
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300 // --------------------------------------------------------------------------- |
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301 // |
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302 TInt CAknSingleStyleTreeNode::Type() const |
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303 { |
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304 return AknTreeList::KSingleStyleTreeNode; |
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305 } |
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306 |
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307 |
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308 // --------------------------------------------------------------------------- |
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309 // From class CAknTreeItem. |
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310 // Draws the content of the node to given graphic context. |
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311 // --------------------------------------------------------------------------- |
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312 // |
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313 void CAknSingleStyleTreeNode::Draw( CWindowGc& aGc, const TRect& aItemRect, |
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314 const TRect& /*aRect*/, TBool aFocused ) const |
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315 { |
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316 CAknTree* root = Root(); |
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317 __ASSERT_DEBUG( root, User::Invariant() ); |
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318 |
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319 // Icon. |
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320 TInt iconVariety = 2; // Arbitrarily selected variety. |
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321 TRect iconRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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322 list_single_graphic_hl_pane_g2( iconVariety ) ); |
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323 |
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324 TInt iconId = IconId( aFocused ); |
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325 |
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326 // dragging / flicking |
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327 |
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328 if ( iconId != AknTreeListIconID::KNone ) |
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329 { |
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330 root->DrawIcon( iconId, iconRect.Size(), aGc, iconRect.iTl, |
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331 iconRect.Size() ); |
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332 } |
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333 |
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334 // Non-empty folder indication icon. |
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335 if ( !IsEmpty() ) |
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336 { |
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337 TInt indicatorVariety = 2; // Arbitrarily selected variety. |
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338 TRect indicatorRect = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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339 list_single_graphic_hl_pane_g3( indicatorVariety ) ); |
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340 |
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341 TInt indicatorId = IsExpanded() ? |
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342 CAknTree::ECollapseFunctionIndication : |
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343 CAknTree::EExpandFunctionIndication; |
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344 |
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345 root->DrawIcon( indicatorId, indicatorRect.Size(), aGc, |
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346 indicatorRect.iTl, indicatorRect.Size() ); |
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347 } |
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348 |
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349 // Optional icon IDs. |
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350 TInt optIconId1 = OptionalIconId( 0, aFocused ); |
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351 TInt optIconId2 = OptionalIconId( 1, aFocused ); |
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352 |
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353 // Text variety is set according to required optional icons. |
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354 TInt textVariety = TextVariety( optIconId1, optIconId2 ); |
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355 |
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356 // Text. |
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357 TAknLayoutText layoutText; |
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358 layoutText.LayoutText( aItemRect, AknLayoutScalable_Avkon:: |
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359 list_single_graphic_hl_pane_t1( textVariety ).LayoutLine() ); |
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360 |
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361 root->DrawText( aGc, aItemRect, AknLayoutScalable_Avkon:: |
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362 list_single_graphic_hl_pane_t1( textVariety ), *iText, NULL, this, |
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363 aFocused, ETrue ); |
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364 |
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365 // Optional item state indication icon. |
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366 TInt optIconVariety1 = 1; |
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367 TRect optIconRect1 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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368 list_single_graphic_hl_pane_g4( optIconVariety1 ) ); |
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369 |
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370 if ( optIconId1 != KNone ) |
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371 { |
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372 root->DrawIcon( optIconId1, optIconRect1.Size(), aGc, |
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373 optIconRect1.iTl, optIconRect1.Size() ); |
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374 } |
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375 |
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376 // Another optional item state indication icon. |
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377 TInt optIconVariety2 = 1; |
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378 TRect optIconRect2 = RectFromLayout( aItemRect, AknLayoutScalable_Avkon:: |
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379 list_single_graphic_hl_pane_g5( optIconVariety2 ) ); |
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380 |
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381 if ( optIconId2 != KNone ) |
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382 { |
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383 root->DrawIcon( optIconId2, optIconRect2.Size(), aGc, |
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384 optIconRect2.iTl, optIconRect2.Size() ); |
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385 } |
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386 |
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387 } |
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388 |
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389 |
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390 // --------------------------------------------------------------------------- |
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391 // From class CAknTreeItem. |
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392 // Handles pointer events. |
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393 // --------------------------------------------------------------------------- |
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394 // |
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395 void CAknSingleStyleTreeNode::HandlePointerEventL( |
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396 const TPointerEvent& /*aPointerEvent*/, const TRect& /*aItemRect*/ ) |
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397 { |
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398 } |
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399 |
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400 |
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401 // --------------------------------------------------------------------------- |
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402 // C++ constructor. |
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403 // --------------------------------------------------------------------------- |
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404 // |
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405 CAknSingleStyleTreeNode::CAknSingleStyleTreeNode( TUint32 aFlags ) |
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406 : CAknTreeNode( aFlags ), |
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407 iExpandedIcon( KDefault ), |
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408 iCollapsedIcon( KDefault ), |
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409 iOptIcon1( KDefault ), |
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410 iOptIcon2( KDefault ), |
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411 iHighlightedExpandedIcon( KDefault ), |
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412 iHighlightedCollapsedIcon( KDefault ), |
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413 iHighlightedOptIcon1( KDefault ), |
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414 iHighlightedOptIcon2( KDefault ) |
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415 { |
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416 } |
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417 |
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418 |
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419 // --------------------------------------------------------------------------- |
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420 // Second phase constructor. |
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421 // --------------------------------------------------------------------------- |
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422 // |
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423 void CAknSingleStyleTreeNode::ConstructL( const TDesC& aText ) |
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424 { |
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425 iText = aText.AllocL(); |
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426 } |
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427 |