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1 /* |
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2 * Copyright (c) 2007 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: Visual template class for alfred widget model. |
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15 * This class creates and updates visual tree. |
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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 |
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21 |
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22 //INCLUDES |
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23 #include <algorithm> |
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24 #include <assert.h> |
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25 #include <alf/alfcontrol.h> |
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26 #include <alf/alfbrush.h> |
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27 #include <alf/alfvisualfactory.h> |
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28 #include <alf/alfbrusharray.h> |
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29 #include <utf.h> |
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30 #include <alf/alfimagevisual.h> |
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31 #include <alf/alftexture.h> |
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32 #include <alf/alfenv.h> |
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33 #include <alf/alfexceptions.h> |
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34 //#include "alf/alfperf.h" |
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35 #include <osn/osnnew.h> |
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36 #include <alf/ialfelement.h> |
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37 #include "alf/alfvisualtemplate.h" |
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38 #include "alf/alfvarianttype.h" |
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39 #include "alf/ialfattributesetter.h" |
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40 #include "alf/alfattributecontainer.h" |
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41 #include "alf/alfattribute.h" |
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42 |
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43 // The number of attribute setters is usually between 1 and 5 |
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44 static const int KAttributeArrayGranularity = 4; |
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45 static const int KContainerArrayGranularity = 4; |
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46 |
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47 namespace Alf |
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48 { |
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49 |
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50 struct DeleteTemplate |
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51 { |
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52 void operator()(const IAlfVisualTemplate* aTemplate) const |
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53 { |
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54 delete aTemplate; |
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55 } |
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56 }; |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // Helper function to iterate through a visual template hierarchy and |
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60 // investigate whether a given visual template exists in it. |
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61 // ----------------------------------------------------------------------------- |
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62 bool existsInHierarchy(IAlfVisualTemplate& aRoot, const IAlfVisualTemplate& aTemplate) |
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63 { |
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64 // Check the template against the root node. |
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65 if(&aTemplate == &aRoot) |
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66 { |
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67 return true; |
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68 } |
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69 |
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70 // Iterate through all the root's children |
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71 for(int i = 0; i < aRoot.numChildTemplates(); ++i) |
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72 { |
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73 if(existsInHierarchy(aRoot.childTemplate(i), aTemplate)) |
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74 { |
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75 return true; |
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76 } |
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77 } |
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78 |
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79 return false; |
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80 } |
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81 |
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82 // ============================ MEMBER FUNCTIONS =============================== |
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83 |
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84 // --------------------------------------------------------------------------- |
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85 // Description : Constructor |
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86 // --------------------------------------------------------------------------- |
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87 OSN_EXPORT AlfVisualTemplate* AlfVisualTemplate::create() |
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88 { |
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89 return new( EMM ) AlfVisualTemplate; |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // Description : Constructor |
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94 // --------------------------------------------------------------------------- |
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95 OSN_EXPORT AlfVisualTemplate* AlfVisualTemplate::create(TAlfVisualType aType) |
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96 { |
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97 return new( EMM ) AlfVisualTemplate( aType ); |
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98 } |
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99 |
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100 // --------------------------------------------------------------------------- |
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101 // Description : Constructor |
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102 // --------------------------------------------------------------------------- |
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103 OSN_EXPORT AlfVisualTemplate* AlfVisualTemplate::create(TAlfLayoutType aType) |
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104 { |
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105 return new( EMM ) AlfVisualTemplate( aType ); |
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106 } |
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107 |
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108 // ============================ MEMBER FUNCTIONS =============================== |
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109 |
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110 // --------------------------------------------------------------------------- |
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111 // Description : Constructor |
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112 // --------------------------------------------------------------------------- |
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113 OSN_EXPORT AlfVisualTemplate::AlfVisualTemplate(): |
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114 mVisualType(EAlfVisualTypeVisual), |
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115 mAttributeArray(KAttributeArrayGranularity), |
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116 mContainerArray(KContainerArrayGranularity), |
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117 mSelectOneChild(false), |
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118 mOwner(0), |
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119 mParent(0) |
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120 { |
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121 } |
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122 |
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123 // --------------------------------------------------------------------------- |
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124 // Description : Constructor |
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125 // --------------------------------------------------------------------------- |
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126 OSN_EXPORT AlfVisualTemplate::AlfVisualTemplate(TAlfVisualType aType): |
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127 mVisualType(aType), |
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128 mAttributeArray(KAttributeArrayGranularity), |
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129 mContainerArray(KContainerArrayGranularity), |
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130 mSelectOneChild(false), |
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131 mOwner(0), |
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132 mParent(0) |
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133 { |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // Description : Constructor |
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138 // --------------------------------------------------------------------------- |
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139 OSN_EXPORT AlfVisualTemplate::AlfVisualTemplate(TAlfLayoutType aType): |
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140 mVisualType(-1 - aType), |
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141 mAttributeArray(KAttributeArrayGranularity), |
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142 mContainerArray(KContainerArrayGranularity), |
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143 mSelectOneChild(false), |
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144 mOwner(0), |
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145 mParent(0) |
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146 { |
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147 } |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // Description : Destructor |
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151 // --------------------------------------------------------------------------- |
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152 OSN_EXPORT AlfVisualTemplate::~AlfVisualTemplate() |
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153 { |
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154 mBrushArray.clear(); |
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155 mAttributeArray.clear(); |
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156 mContainerArray.clear(); |
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157 |
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158 // Remove this visual template from it's parent or owner |
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159 if(parent()) |
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160 { |
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161 parent()->removeChildTemplate(*this); |
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162 } |
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163 if(owner()) |
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164 { |
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165 owner()->removeVisualTemplate(); |
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166 } |
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167 |
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168 // Destroy child visual templates in two passes, since destructor of a child |
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169 // visual template could affect the content of the this visual template's child vector. |
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170 vector<IAlfVisualTemplate*> children(mChildren); |
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171 mChildren.clear(); |
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172 for_each(children.begin(), children.end(), DeleteTemplate()); |
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173 } |
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174 |
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175 // --------------------------------------------------------------------------- |
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176 // Description : Set the owner element. |
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177 // --------------------------------------------------------------------------- |
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178 OSN_EXPORT void AlfVisualTemplate::setOwner(IAlfElement* aOwner) throw() |
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179 { |
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180 if(aOwner != mOwner) |
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181 { |
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182 // Remove this visual template from it's parent. Parent and owner are |
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183 // mutually exclusive properties on a visual template. |
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184 if(aOwner && (parent() != 0)) |
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185 { |
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186 parent()->removeChildTemplate(*this); |
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187 } |
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188 |
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189 // Set the owner of this visual template. |
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190 mOwner = aOwner; |
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191 } |
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192 } |
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193 |
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194 OSN_EXPORT IAlfElement* AlfVisualTemplate::owner() const throw() |
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195 { |
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196 return mOwner; |
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197 } |
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198 |
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199 // --------------------------------------------------------------------------- |
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200 // Description : Set the name of the visual, i.e., the tag. |
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201 // --------------------------------------------------------------------------- |
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202 OSN_EXPORT void AlfVisualTemplate::setName(const char* aName) |
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203 { |
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204 mVisualName = UString(aName); |
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205 } |
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206 |
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207 // --------------------------------------------------------------------------- |
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208 // Description : Get the name of the visual, i.e., the tag. |
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209 // --------------------------------------------------------------------------- |
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210 OSN_EXPORT const char* AlfVisualTemplate::name() const throw() |
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211 { |
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212 return mVisualName.getUtf8(); |
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213 } |
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214 |
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215 // --------------------------------------------------------------------------- |
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216 // Description : Add a child visual template. |
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217 // --------------------------------------------------------------------------- |
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218 OSN_EXPORT void AlfVisualTemplate::addChildTemplate(IAlfVisualTemplate& aChild) |
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219 { |
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220 insertChildTemplate(aChild, mChildren.size()); |
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221 } |
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222 |
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223 // --------------------------------------------------------------------------- |
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224 // Description : Inserts a child visual template at given index |
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225 // --------------------------------------------------------------------------- |
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226 OSN_EXPORT void AlfVisualTemplate::insertChildTemplate(IAlfVisualTemplate& aChild, int aIndex) |
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227 { |
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228 if(!(aIndex >=0 && aIndex <= mChildren.size())) |
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229 ALF_THROW(AlfException, EInvalidArrayIndex, "AlfVisualTemplate::insertChildTemplate() - Index out of bounds."); |
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230 |
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231 // Verify that the given argument is valid |
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232 if(existsInHierarchy(*this, aChild)) |
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233 { |
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234 ALF_THROW(AlfException, EInvalidHierarchy, "AlfVisualTemplate::insertChildTemplate() - Adding a child visual template that is already in the hierarchy."); |
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235 } |
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236 if(existsInHierarchy(aChild, *this)) |
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237 { |
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238 ALF_THROW(AlfException, EInvalidHierarchy, "AlfVisualTemplate::insertChildTemplate() - Attempt to create a recursive visual template tree."); |
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239 } |
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240 if(layoutType() < 0) |
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241 { |
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242 ALF_THROW(AlfException, EInvalidHierarchy, "AlfVisualTemplate::insertChildTemplate() - Attempt to add a child visual into a non-layout visual template."); |
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243 } |
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244 |
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245 // Insert child visual template to the array |
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246 mChildren.insert(mChildren.begin() + aIndex, &aChild); |
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247 |
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248 // Remove child from previous hierarchy and add it under this visual template. |
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249 if(aChild.parent()) |
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250 { |
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251 // Visual template cannot have a parent and owner at the same time. |
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252 assert(aChild.owner() == 0); |
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253 aChild.parent()->removeChildTemplate(aChild); |
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254 } |
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255 if(aChild.owner()) |
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256 { |
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257 // Visual template cannot have a parent and owner at the same time. |
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258 assert(aChild.parent() == 0); |
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259 aChild.owner()->removeVisualTemplate(); |
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260 } |
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261 |
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262 // Set a new parent for this visual template. |
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263 aChild.setParent(this); |
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264 } |
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265 |
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266 // --------------------------------------------------------------------------- |
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267 // Description : Destroyes a child visual template at given index |
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268 // --------------------------------------------------------------------------- |
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269 OSN_EXPORT void AlfVisualTemplate::destroyChildTemplate(int aIndex) throw() |
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270 { |
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271 // Remove and destroy a child template by the given index |
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272 if(aIndex >=0 && aIndex < mChildren.size()) |
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273 { |
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274 IAlfVisualTemplate* child = mChildren[aIndex]; |
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275 removeChildTemplate(*child); |
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276 delete child; |
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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 // Description : Destroyes a child visual template.with the given name |
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282 // --------------------------------------------------------------------------- |
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283 OSN_EXPORT void AlfVisualTemplate::destroyChildTemplate(const char* aName) throw() |
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284 { |
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285 // Search through the children for the given name. |
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286 for(int i = 0; i < mChildren.size() ;i++) |
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287 { |
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288 if(!strcmp(mChildren[i]->name(), aName)) |
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289 { |
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290 // Remove and destroy the found child visual template |
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291 IAlfVisualTemplate* child = mChildren[i]; |
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292 removeChildTemplate(*child); |
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293 delete child; |
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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 // --------------------------------------------------------------------------- |
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299 // Description : Get the number of child visual templates. |
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300 // --------------------------------------------------------------------------- |
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301 OSN_EXPORT int AlfVisualTemplate::numChildTemplates() const throw() |
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302 { |
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303 return mChildren.size(); |
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304 } |
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305 |
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306 // --------------------------------------------------------------------------- |
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307 // Description : Get a child visual template. |
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308 // --------------------------------------------------------------------------- |
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309 OSN_EXPORT IAlfVisualTemplate& AlfVisualTemplate::childTemplate(int aIndex) const |
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310 { |
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311 if((aIndex < 0) || (aIndex >= numChildTemplates())) |
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312 { |
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313 ALF_THROW(AlfException, EInvalidArrayIndex, "AlfVisualTemplate::childTemplate() - Index out of bounds."); |
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314 } |
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315 return *mChildren[aIndex]; |
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316 } |
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317 |
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318 // ----------------------------------------------------------------------------- |
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319 // Description : Add a new visual attribute setter. The ownership is not passed. |
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320 // ----------------------------------------------------------------------------- |
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321 OSN_EXPORT void AlfVisualTemplate::addAttributeSetter( |
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322 IAlfAttributeSetter* aSetter, AlfAttributeContainer* aContainer ) |
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323 { |
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324 mAttributeArray.resize(mAttributeArray.count()+1); |
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325 mContainerArray.resize(mContainerArray.count()+1); |
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326 |
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327 mAttributeArray.insert(mAttributeArray.count(),aSetter); |
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328 mContainerArray.insert(mContainerArray.count(),aContainer); |
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329 } |
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330 |
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331 // ----------------------------------------------------------------------------- |
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332 // Description : Get the number of visual attribute setters. |
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333 // ----------------------------------------------------------------------------- |
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334 OSN_EXPORT int AlfVisualTemplate::numAttributeSetters() const throw() |
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335 { |
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336 return mAttributeArray.count(); |
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337 } |
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338 |
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339 // ----------------------------------------------------------------------------- |
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340 // Description : Get a visual attribute setter. |
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341 // ----------------------------------------------------------------------------- |
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342 OSN_EXPORT IAlfAttributeSetter& AlfVisualTemplate::attributeSetter(int aIndex) const |
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343 { |
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344 if((aIndex < 0) || (aIndex >= mAttributeArray.count())) |
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345 { |
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346 ALF_THROW(AlfException, EInvalidArrayIndex, "AlfVisualTemplate::attributeSetter() - Index out of bounds."); |
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347 } |
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348 return *mAttributeArray[aIndex]; |
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349 } |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // Description : |
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353 // ----------------------------------------------------------------------------- |
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354 OSN_EXPORT AlfAttributeContainer& AlfVisualTemplate::attributeContainer(int aIndex) const |
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355 { |
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356 if((aIndex < 0) || (aIndex >= mContainerArray.count())) |
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357 { |
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358 ALF_THROW(AlfException, EInvalidArrayIndex, "AlfVisualTemplate::attributeContainer() - Index out of bounds."); |
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359 } |
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360 return *mContainerArray[aIndex]; |
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361 } |
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362 |
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363 // ----------------------------------------------------------------------------- |
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364 // Description : Update an existing visual tree with new values |
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365 // ----------------------------------------------------------------------------- |
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366 OSN_EXPORT CAlfVisual* AlfVisualTemplate::updateVisualTree(IAlfMap* aData, IAlfMap* aOldData, CAlfVisual& aVisual) |
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367 { |
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368 |
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369 CAlfVisual* retVisual = &aVisual; |
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370 // Update the attributes. |
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371 for (int i = 0; i < mAttributeArray.count(); ++i) |
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372 { |
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373 try |
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374 { |
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375 //ALF_PERF_START( perfdata, "AlfVisualTemplate-updateVisualTree-SetAttributeValue") |
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376 mAttributeArray[i]->setAttributeValue(aVisual, mContainerArray[i], aData); |
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377 //ALF_PERF_STOP( perfdata, "AlfVisualTemplate-updateVisualTree-setAttributeValue") |
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378 } |
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379 catch (...) |
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380 { |
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381 ALF_THROW(AlfAttributeException,EInvalidAttributeValue,"AlfVisualTemplate") |
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382 } |
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383 } |
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384 // Pass to children |
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385 if (mChildren.size()) |
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386 { |
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387 int ind = selectedChildInd( aData ); |
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388 if (ind >= 0 && ind < mChildren.size()) |
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389 { |
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390 CAlfLayout *layout = (CAlfLayout *)&aVisual; |
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391 int indOld = selectedChildInd( aOldData ); |
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392 if ( ind == indOld ) |
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393 { |
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394 mChildren[ind]->updateVisualTree( aData, aOldData, *layout ); |
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395 } |
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396 else |
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397 { |
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398 CAlfControl& c(aVisual.Owner()); |
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399 |
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400 //new visual tree is created. Replaces the current (now old) layout, |
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401 //which is removed from its parent and destroyed. |
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402 //new layout is returned from the function. |
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403 CAlfLayout* parentLayout = layout->Layout(); |
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404 TInt ind = parentLayout->FindVisual(layout); |
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405 parentLayout->Remove(layout); |
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406 layout->RemoveAndDestroyAllD(); |
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407 CAlfLayout* newLayout = (CAlfLayout *) createVisualTree(c, aData, parentLayout, ind); |
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408 retVisual = newLayout; |
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409 } |
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410 } |
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411 else |
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412 { |
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413 CAlfLayout *layout = (CAlfLayout *)&aVisual; |
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414 for (int i = 0; i < mChildren.size(); ++i) |
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415 { |
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416 mChildren[i]->updateVisualTree(aData, aOldData, layout->Visual(i)); |
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417 } |
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418 } |
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419 } |
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420 return retVisual; |
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421 } |
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422 |
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423 // ----------------------------------------------------------------------------- |
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424 // Description : create a new visual tree and initialize the visuals |
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425 // ----------------------------------------------------------------------------- |
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426 OSN_EXPORT CAlfVisual* AlfVisualTemplate::createVisualTree(CAlfControl& aControl, |
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427 IAlfMap* aData, CAlfLayout* aParentLayout, int aLayoutIndex) |
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428 { |
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429 // create the visual |
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430 CAlfVisual *result = NULL; |
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431 CAlfLayout *layout = NULL; |
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432 if (!mSelectOneChild) |
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433 { |
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434 if (mVisualType < 0) |
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435 { |
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436 //ALF_PERF_START( perfdata, "AlfVisualTemplate-createVisualTree-NewLayout") |
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437 // create layout |
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438 result = layout = AlfVisualFactory::NewLayoutL( |
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439 (TAlfLayoutType)(-1 - mVisualType), aParentLayout, aControl, aControl.Env()); |
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440 //ALF_PERF_STOP( perfdata, "AlfVisualTemplate-createVisualTree-NewLayout") |
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441 if (!result) |
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442 { |
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443 ALF_THROW(AlfVisualException,ECanNotCreateVisual,"AlfVisualTemplate") |
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444 } |
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445 } |
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446 else |
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447 { |
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448 // create visual |
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449 //ALF_PERF_START( perfdata, "AlfVisualTemplate-createVisualTree-NewVisual") |
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450 result = AlfVisualFactory::NewVisualL( |
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451 (TAlfVisualType)mVisualType, aParentLayout, aControl, aControl.Env()); |
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452 //ALF_PERF_STOP( perfdata, "AlfVisualTemplate-createVisualTree-NewVisual") |
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453 if (!result) |
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454 { |
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455 ALF_THROW(AlfVisualException,ECanNotCreateVisual,"AlfVisualTemplate") |
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456 } |
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457 |
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458 //Add the brushes to the visual |
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459 result->EnableBrushesL(true); |
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460 for (int i=0; i < mBrushArray.count(); i++) |
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461 { |
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462 result->Brushes()->AppendL(mBrushArray[i], EAlfDoesNotHaveOwnership); |
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463 } |
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464 } |
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465 if (aParentLayout && |
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466 aLayoutIndex >= 0 && aLayoutIndex <= aParentLayout->Count()) |
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467 { |
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468 //when aConstructedWithParentInformation- parameter is ETrue, |
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469 //no message sent to server |
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470 aParentLayout->Append(result, ETrue); |
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471 |
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472 //reorder, if needed. |
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473 if (aLayoutIndex != aParentLayout->Count() - 1) |
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474 { |
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475 aParentLayout->Reorder(*result, aLayoutIndex); |
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476 } |
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477 } |
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478 aControl.Append(result); |
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479 |
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480 if (mVisualName.isNull()) |
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481 mVisualName = UString(""); |
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482 result->SetTagL(TPtrC8((unsigned char*)mVisualName.getUtf8())); |
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483 |
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484 // Set the attributes |
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485 for (int i = 0; i < mAttributeArray.count(); ++i) |
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486 { |
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487 try |
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488 { |
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489 //ALF_PERF_START( perfdata, "AlfVisualTemplate-createVisualTree-setAttributeValue") |
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490 // set dirtines of all attribute in createvisualtree |
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491 for(int j = 0; j < mContainerArray[i]->attributeCount() ;j++ ) |
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492 { |
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493 mContainerArray[i]->getAttribute(j).setDirty(true); |
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494 } |
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495 mAttributeArray[i]->setAttributeValue(*result, mContainerArray[i], aData); |
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496 //ALF_PERF_STOP( perfdata, "AlfVisualTemplate-createVisualTree-setAttributeValue") |
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497 } |
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498 catch (...) |
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499 { |
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500 ALF_THROW(AlfAttributeException,EInvalidAttributeValue,"AlfVisualTemplate") |
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501 } |
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502 } |
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503 } |
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504 |
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505 // Pass to children |
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506 int ind = selectedChildInd( aData ); |
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507 if (ind >= 0 && ind < mChildren.size()) |
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508 { |
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509 result = mChildren[ind]->createVisualTree(aControl, aData, aParentLayout, aLayoutIndex); |
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510 } |
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511 else if (!mSelectOneChild) |
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512 { |
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513 for (int i = 0; i < mChildren.size(); ++i) |
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514 { |
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515 mChildren[i]->createVisualTree(aControl, aData, layout, i); |
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516 } |
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517 } |
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518 return result; |
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519 } |
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520 |
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521 // ----------------------------------------------------------------------------- |
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522 // reads and returns selected ind from data, if set. If not set returns -1. |
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523 // ----------------------------------------------------------------------------- |
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524 int AlfVisualTemplate::selectedChildInd( IAlfMap* aData ) |
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525 { |
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526 int ind = -1; |
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527 if (aData && mSelectOneChild) |
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528 { |
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529 IAlfVariantType* data = aData->item(mChildIndFieldName); |
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530 |
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531 //field value contains index to child array. |
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532 //if field contains no data and template has only one |
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533 // child, assume it's the child wanted. |
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534 bool valueIsEmpty = false; |
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535 if (!data) |
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536 { |
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537 valueIsEmpty = true; |
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538 } |
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539 else |
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540 { |
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541 switch ( data->type() ) |
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542 { |
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543 case IAlfVariantType::EInt: |
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544 ind = data->integer(); |
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545 break; |
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546 default: |
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547 break; |
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548 } |
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549 } |
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550 if ( valueIsEmpty && mChildren.size() == 1 ) |
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551 { |
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552 ind = 0; |
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553 } |
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554 } |
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555 return ind; |
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556 } |
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557 |
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558 // ----------------------------------------------------------------------------- |
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559 // Description : Removes a visual template from the child array without |
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560 // destroying the child template object. |
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561 // ----------------------------------------------------------------------------- |
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562 void AlfVisualTemplate::removeChildTemplate(IAlfVisualTemplate& aChild) throw() |
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563 { |
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564 std::vector<IAlfVisualTemplate*>::iterator it = find(mChildren.begin(), mChildren.end(), &aChild); |
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565 if(it != mChildren.end()) |
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566 { |
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567 mChildren.erase(it); |
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568 aChild.setParent(0); |
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569 } |
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570 } |
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571 |
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572 // ----------------------------------------------------------------------------- |
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573 // Description : Returns the parent visual template object |
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574 // ----------------------------------------------------------------------------- |
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575 OSN_EXPORT IAlfVisualTemplate* AlfVisualTemplate::parent() const throw() |
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576 { |
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577 return mParent; |
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578 } |
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579 |
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580 // ----------------------------------------------------------------------------- |
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581 // Description : Set the visual type |
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582 // ----------------------------------------------------------------------------- |
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583 OSN_EXPORT void AlfVisualTemplate::setParent(IAlfVisualTemplate* aParent) throw() |
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584 { |
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585 mParent = aParent; |
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586 } |
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587 |
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588 // ----------------------------------------------------------------------------- |
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589 // Description : Set the visual type |
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590 // ----------------------------------------------------------------------------- |
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591 OSN_EXPORT void AlfVisualTemplate::setVisualType(TAlfVisualType aType) |
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592 { |
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593 mVisualType = aType; |
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594 } |
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595 |
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596 // ----------------------------------------------------------------------------- |
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597 // Description : Get the visual type |
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598 // ----------------------------------------------------------------------------- |
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599 OSN_EXPORT int AlfVisualTemplate::visualType() const throw() |
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600 { |
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601 return mVisualType; |
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602 } |
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603 // ----------------------------------------------------------------------------- |
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604 // Description : Set the layout type |
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605 // ----------------------------------------------------------------------------- |
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606 OSN_EXPORT void AlfVisualTemplate::setLayoutType(TAlfLayoutType aType) |
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607 { |
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608 mVisualType = -1 - aType; |
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609 } |
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610 |
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611 // ----------------------------------------------------------------------------- |
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612 // Description : Get the layout type |
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613 // ----------------------------------------------------------------------------- |
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614 OSN_EXPORT int AlfVisualTemplate::layoutType() const throw() |
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615 { |
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616 return -1 - mVisualType; |
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617 } |
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618 |
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619 // ----------------------------------------------------------------------------- |
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620 // Description : Adds brush to the brush array. |
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621 // ----------------------------------------------------------------------------- |
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622 OSN_EXPORT void AlfVisualTemplate::addBrush(CAlfBrush& aBrush) |
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623 { |
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624 mBrushArray.resize(mBrushArray.count()+1); |
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625 mBrushArray.insert(mBrushArray.count(),&aBrush); |
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626 } |
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627 |
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628 // ----------------------------------------------------------------------------- |
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629 // Description : Get the munber of brushes |
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630 // ----------------------------------------------------------------------------- |
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631 OSN_EXPORT int AlfVisualTemplate::numBrushes() const |
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632 { |
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633 return mBrushArray.count(); |
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634 } |
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635 |
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636 // ----------------------------------------------------------------------------- |
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637 // Description : Get a Brush |
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638 // ----------------------------------------------------------------------------- |
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639 OSN_EXPORT CAlfBrush& AlfVisualTemplate::brush(int aIndex) const |
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640 { |
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641 return *mBrushArray[aIndex]; |
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642 } |
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643 |
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644 |
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645 // ----------------------------------------------------------------------------- |
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646 // Description : puts the class in to selected child mode. |
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647 // ----------------------------------------------------------------------------- |
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648 OSN_EXPORT void AlfVisualTemplate::setSelectChildMode(bool aSelectChild, |
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649 const UString& aChildIndFieldName ) |
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650 { |
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651 mSelectOneChild = aSelectChild; |
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652 mChildIndFieldName = aChildIndFieldName; |
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653 } |
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654 |
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655 |
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656 // --------------------------------------------------------------------------- |
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657 // From class IAlfInterfaceBase. |
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658 // Getter for interfaces provided by the visual template. |
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659 // --------------------------------------------------------------------------- |
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660 // |
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661 OSN_EXPORT IAlfInterfaceBase* AlfVisualTemplate::makeInterface( const IfId& aType ) |
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662 { |
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663 UString param(aType.mImplementationId); |
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664 if (param == IAlfVisualTemplate::type().mImplementationId) |
|
665 { |
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666 return static_cast<IAlfVisualTemplate*>(this); |
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667 } |
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668 return NULL; |
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669 } |
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670 |
|
671 } //Alf |