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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam and QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "PropertyContainer.h"
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17 #include "RangeMapper.h"
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18 #include "UnitDatabase.h"
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19
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20 #include <iostream>
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21
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22 PropertyContainer::PropertyList
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23 PropertyContainer::getProperties() const
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24 {
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25 return PropertyList();
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26 }
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27
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28 PropertyContainer::PropertyType
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29 PropertyContainer::getPropertyType(const PropertyName &) const
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30 {
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31 return InvalidProperty;
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32 }
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33
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34 QString
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35 PropertyContainer::getPropertyIconName(const PropertyName &) const
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36 {
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37 return QString();
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38 }
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39
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40 QString
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41 PropertyContainer::getPropertyGroupName(const PropertyName &) const
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42 {
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43 return QString();
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44 }
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45
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46 int
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47 PropertyContainer::getPropertyRangeAndValue(const PropertyName &,
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48 int *min, int *max, int *deflt) const
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49 {
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50 if (min) *min = 0;
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51 if (max) *max = 0;
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52 if (deflt) *deflt = 0;
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53 return 0;
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54 }
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55
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56 QString
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57 PropertyContainer::getPropertyValueLabel(const PropertyName &name, int value) const
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58 {
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59 return QString();
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60 }
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61
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62 RangeMapper *
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63 PropertyContainer::getNewPropertyRangeMapper(const PropertyName &) const
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64 {
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65 return 0;
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66 }
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67
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68 void
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69 PropertyContainer::setProperty(const PropertyName &name, int)
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70 {
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71 std::cerr << "WARNING: PropertyContainer[" << getPropertyContainerName().toStdString() << "]::setProperty(" << name.toStdString() << "): no implementation in subclass!" << std::endl;
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72 }
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73
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74 Command *
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75 PropertyContainer::getSetPropertyCommand(const PropertyName &name, int value)
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76 {
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77 int currentValue = getPropertyRangeAndValue(name, 0, 0, 0);
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78 if (value == currentValue) return 0;
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79 return new SetPropertyCommand(this, name, value);
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80 }
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81
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82 void
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83 PropertyContainer::setProperty(QString nameString, QString valueString)
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84 {
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85 PropertyName name;
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86 int value;
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87 if (!convertPropertyStrings(nameString, valueString, name, value)) {
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88 std::cerr << "WARNING: PropertyContainer::setProperty(\""
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89 << nameString.toStdString() << "\", \""
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90 << valueString.toStdString()
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91 << "\"): Name and value conversion failed" << std::endl;
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92 return;
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93 }
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94 setProperty(name, value);
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95 }
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96
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97 Command *
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98 PropertyContainer::getSetPropertyCommand(QString nameString, QString valueString)
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99 {
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100 PropertyName name;
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101 int value;
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102 if (!convertPropertyStrings(nameString, valueString, name, value)) {
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103 std::cerr << "WARNING: PropertyContainer::getSetPropertyCommand(\""
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104 << nameString.toStdString() << "\", \""
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105 << valueString.toStdString()
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106 << "\"): Name and value conversion failed" << std::endl;
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107 return 0;
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108 }
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109 return getSetPropertyCommand(name, value);
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110 }
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111
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112 bool
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113 PropertyContainer::convertPropertyStrings(QString nameString, QString valueString,
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114 PropertyName &name, int &value)
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115 {
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116 PropertyList pl = getProperties();
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117
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118 QString adjusted = nameString.trimmed();
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119 adjusted.replace('_', ' ');
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120 adjusted.replace('-', ' ');
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121
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122 name = "";
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123
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124 for (PropertyList::iterator pli = pl.begin(); pli != pl.end(); ++pli) {
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125
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126 QString label = getPropertyLabel(*pli);
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127
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128 if (label != "" && (nameString == label || adjusted == label)) {
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129 name = *pli;
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130 break;
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131 } else if (nameString == *pli) {
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132 name = *pli;
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133 break;
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134 }
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135 }
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136
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137 if (name == "") {
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138 std::cerr << "PropertyContainer::convertPropertyStrings: Unable to match name string \"" << nameString.toStdString() << "\"" << std::endl;
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139 return false;
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140 }
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141
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142 value = 0;
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143 bool success = false;
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144
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145 bool isDouble = false;
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146 double dval = valueString.toDouble(&isDouble);
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147
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148 switch (getPropertyType(name)) {
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149
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150 case ToggleProperty:
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151 if (valueString == tr("yes") ||
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152 valueString == tr("on") ||
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153 valueString == tr("true")) {
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154 value = 1; success = true;
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155 } else if (valueString == tr("no") ||
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156 valueString == tr("off") ||
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157 valueString == tr("false")) {
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158 value = 0; success = true;
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159 }
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160 break;
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161
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162 case RangeProperty:
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163 if (isDouble) {
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164 RangeMapper *mapper = getNewPropertyRangeMapper(name);
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165 if (mapper) {
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166 value = mapper->getPositionForValue(dval);
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167 delete mapper;
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168 success = true;
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169 }
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170 }
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171 break;
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172
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173 case ValueProperty:
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174 case ColourProperty:
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175 {
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176 int min, max;
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177 getPropertyRangeAndValue(name, &min, &max, 0);
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178 for (int i = min; i <= max; ++i) {
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179 if (valueString == getPropertyValueLabel(name, i)) {
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180 value = i;
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181 success = true;
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182 break;
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183 }
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184 }
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185 break;
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186 }
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187
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188 case UnitsProperty:
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189 value = UnitDatabase::getInstance()->getUnitId(valueString, false);
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190 if (value >= 0) success = true;
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191 else value = 0;
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192 break;
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193
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194 case InvalidProperty:
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195 std::cerr << "PropertyContainer::convertPropertyStrings: Invalid property name \"" << name.toStdString() << "\"" << std::endl;
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196 return false;
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197 }
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198
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199 if (success) return true;
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200
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201 int min, max;
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202 getPropertyRangeAndValue(name, &min, &max, 0);
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203
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204 bool ok = false;
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205 int i = valueString.toInt(&ok);
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206 if (!ok) {
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207 std::cerr << "PropertyContainer::convertPropertyStrings: Unable to parse value string \"" << valueString.toStdString() << "\"" << std::endl;
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208 return false;
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209 } else if (i < min || i > max) {
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210 std::cerr << "PropertyContainer::convertPropertyStrings: Property value \"" << i << "\" outside valid range " << min << " to " << max << std::endl;
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211 return false;
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212 }
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213
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214 value = i;
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215 return true;
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216 }
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217
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218 PropertyContainer::SetPropertyCommand::SetPropertyCommand(PropertyContainer *pc,
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219 const PropertyName &pn,
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220 int value) :
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221 m_pc(pc),
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222 m_pn(pn),
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223 m_value(value),
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224 m_oldValue(0)
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225 {
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226 }
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227
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228 void
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229 PropertyContainer::SetPropertyCommand::execute()
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230 {
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231 m_oldValue = m_pc->getPropertyRangeAndValue(m_pn, 0, 0, 0);
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232 m_pc->setProperty(m_pn, m_value);
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233 }
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234
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235 void
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236 PropertyContainer::SetPropertyCommand::unexecute()
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237 {
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238 m_pc->setProperty(m_pn, m_oldValue);
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239 }
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240
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241 QString
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242 PropertyContainer::SetPropertyCommand::getName() const
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243 {
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244 return tr("Set %1 Property").arg(m_pn);
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245 }
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246
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