1 | <?php
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2 |
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3 | class PageMain extends Page
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4 | {
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5 | var $Months;
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6 | var $GraphTimeRanges;
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7 |
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8 | function __construct(System $System)
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9 | {
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10 | parent::__construct($System);
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11 | $this->Months = array('', 'Leden', 'Únor', 'Březen', 'Duben', 'Květen', 'Červen', 'Červenec', 'Srpen', 'Září',
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12 | 'Říjen', 'Listopad', 'Prosinec');
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13 |
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14 | $this->GraphTimeRanges = array(
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15 | 'hour' => array(
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16 | 'caption' => 'Hodina',
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17 | 'period' => 3600,
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18 | ),
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19 | 'day' => array(
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20 | 'caption' => 'Den',
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21 | 'period' => 3600 * 24,
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22 | ),
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23 | 'week' => array(
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24 | 'caption' => 'Týden',
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25 | 'period' => 3600 * 24 * 7,
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26 | ),
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27 | 'month' => array(
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28 | 'caption' => 'Měsíc',
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29 | 'period' => 3600 * 24 * 30,
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30 | ),
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31 | 'year' => array(
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32 | 'caption' => 'Rok',
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33 | 'period' => 3600 * 24 * 365,
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34 | ),
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35 | 'years' => array(
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36 | 'caption' => 'Desetiletí',
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37 | 'period' => 3600 * 24 * 365 * 10,
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38 | ),
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39 | 'all' => array(
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40 | 'caption' => 'Vše',
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41 | 'period' => -1,
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42 | ),
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43 | );
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44 | $this->Time = time();
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45 | }
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46 |
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47 | function GetTimeRange(): string
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48 | {
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49 | if (!array_key_exists($_SESSION['Period'], $this->GraphTimeRanges))
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50 | $_SESSION['Period'] = 'day';
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51 |
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52 | $Result = $this->GraphTimeRanges[$_SESSION['Period']]['period'];
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53 | if ($Result == -1)
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54 | {
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55 | $Measure = $this->LoadMeasure($_SESSION['Measure']);
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56 | $FirstValue = $this->GetFirstMeasure($Measure);
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57 | $LastValue = $this->GetLastMeasure($Measure);
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58 | $Result = $LastValue['Time'] - $FirstValue['Time'];
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59 | }
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60 | return $Result;
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61 | }
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62 |
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63 | function EditTime($Time): string
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64 | {
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65 | $Output = '<form style="display: inline;" action="?Operation=SetTime&Time='.$Time.'" method="post">';
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66 | $TimeParts = getdate($_SESSION[$Time]);
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67 |
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68 | // Day selection
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69 | $Output .= '<select name="Day">';
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70 | for ($I = 1; $I < 32; $I++)
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71 | {
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72 | if ($I == $TimeParts['mday']) $Selected = ' selected="1"'; else $Selected = '';
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73 | $Output .= '<option value="'.$I.'"'.$Selected.'>'.$I.'</option>';
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74 | }
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75 | $Output .= '</select>. ';
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76 |
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77 | // Month selection
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78 | $Output .= '<select name="Month">';
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79 | foreach ($this->Months as $Index => $Month)
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80 | {
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81 | if ($Index == $TimeParts['mon']) $Selected = ' selected="1"'; else $Selected = '';
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82 | if ($Index > 0) $Output .= '<option value="'.$Index.'"'.$Selected.'>'.$Month.'</option>';
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83 | }
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84 | $Output .= '</select>. ';
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85 |
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86 | // Year selection
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87 | $Output .= '<select name="Year">';
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88 | for ($I = 2000; $I <= date("Y"); $I++)
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89 | {
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90 | if ($I == $TimeParts['year']) $Selected = ' selected="1"'; else $Selected = '';
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91 | $Output .= '<option value="'.$I.'"'.$Selected.'>'.$I.'</option>';
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92 | }
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93 | $Output .= '</select> ';
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94 |
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95 | // Hour selection
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96 | $Output .= '<select name="Hour">';
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97 | for ($I = 0; $I < 24; $I++)
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98 | {
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99 | if ($I == $TimeParts['hours']) $Selected = ' selected="1"'; else $Selected = '';
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100 | $Output .= '<option value="'.$I.'"'.$Selected.'>'.$I.'</option>';
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101 | }
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102 | $Output .= '</select> : ';
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103 |
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104 | // Minute selection
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105 | $Output .= '<select name="Minute">';
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106 | for ($I = 0; $I < 60; $I++)
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107 | {
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108 | if ($I == $TimeParts['minutes']) $Selected = ' selected="1"'; else $Selected = '';
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109 | $Output .= '<option value="'.$I.'"'.$Selected.'>'.$I.'</option>';
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110 | }
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111 | $Output .= '</select> ';
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112 |
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113 | $Output .= '<input type="submit" value="Nastavit">';
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114 | $Output .= '</form>';
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115 | $Output .= ' <form style="display: inline;" action="?Operation=SetTimeNow&Time='.$Time.'" method="post">';
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116 | $Output .= '<input type="submit" value="Aktuální čas">';
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117 | $Output .= '</form>';
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118 |
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119 | return $Output;
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120 | }
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121 |
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122 | function GetFirstMeasure($Measure): array
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123 | {
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124 | $Result2 = $this->Database->select($Measure['DataTable'], '`Time`, `Avg`', '(`Measure`='.$Measure['Id'].') AND (`Level`=0) ORDER BY `Time` ASC LIMIT 1');
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125 | if ($Result2->num_rows > 0)
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126 | {
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127 | $Row = $Result2->fetch_array();
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128 | $LastMeasureTime = MysqlDateTimeToTime($Row['Time']);
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129 | $LastMeasureValue = $Row['Avg'];
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130 | } else {
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131 | $LastMeasureTime = $this->Time;
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132 | $LastMeasureValue = 0;
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133 | }
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134 | return array('Time' => $LastMeasureTime, 'Value' => $LastMeasureValue);
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135 | }
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136 |
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137 | function GetLastMeasure($Measure): array
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138 | {
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139 | $Result2 = $this->Database->select($Measure['DataTable'], '`Time`, `Avg`', '(`Measure`='.$Measure['Id'].') AND (`Level`=0) ORDER BY `Time` DESC LIMIT 1');
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140 | if ($Result2->num_rows > 0)
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141 | {
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142 | $Row = $Result2->fetch_array();
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143 | $LastMeasureTime = MysqlDateTimeToTime($Row['Time']);
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144 | $LastMeasureValue = $Row['Avg'];
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145 | } else {
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146 | $LastMeasureTime = $this->Time;
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147 | $LastMeasureValue = 0;
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148 | }
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149 | return array('Time' => $LastMeasureTime, 'Value' => $LastMeasureValue);
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150 | }
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151 |
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152 | function LoadMeasure($Id): array
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153 | {
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154 | $DbResult = $this->Database->select('Measure', '*', '( `Enabled`=1) AND (`Id`='.$Id.') AND ((`PermissionView`="all") OR (`PermissionView`="'.
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155 | gethostbyaddr($_SERVER['REMOTE_ADDR']).'"))');
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156 | $DbRow = $DbResult->fetch_array();
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157 | return $DbRow;
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158 | }
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159 |
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160 | /* Produce table with available measures */
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161 | function ShowMeasureTable(): string
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162 | {
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163 | $PrefixMultiplier = new PrefixMultiplier();
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164 | $Output = '<table border="1" cellspacing="0" cellpadding="2" style="font-size: small; margin: 0px auto;">';
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165 | $Output .= '<tr><th>Měřená veličina</th><th>Poslední hodnota</th><th>Čas posledního měření</th><th>Interpolace</th><th>Poznámky</th>';
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166 | if (array_key_exists('Debug', $_GET)) $Output .= '<th>Počet položek</th><th>Čas vykonání</th>';
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167 | $Output .= '</tr>';
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168 | $Result = $this->Database->select('Measure', '*', '( `Enabled`=1) AND ((`PermissionView`="all") OR (`PermissionView`="'.
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169 | gethostbyaddr($_SERVER['REMOTE_ADDR']).'")) ORDER BY `Description`');
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170 | while ($Measure = $Result->fetch_array())
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171 | {
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172 | $StopWatchStart = GetMicrotime();
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173 | if (array_key_exists('Debug', $_GET))
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174 | {
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175 | $DbResult = $this->Database->select($Measure['DataTable'], 'COUNT(*)', '`Measure`='.$Measure['Id']);
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176 | $RowCount = $DbResult->fetch_array();
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177 | $RowCount = $RowCount[0];
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178 | }
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179 | $Result2 = $this->Database->select($Measure['DataTable'], '`Time`, `Avg`', '(`Measure`='.
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180 | $Measure['Id'].') AND (`Level`=0) ORDER BY `Time` DESC LIMIT 1');
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181 | if ($Result2->num_rows > 0)
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182 | {
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183 | $Row = $Result2->fetch_array();
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184 | $LastMeasureTime = date('j.n.Y G:i:s', MysqlDateTimeToTime($Row['Time']));
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185 | $LastMeasureValue = $PrefixMultiplier->Add($Row['Avg'], $Measure['Unit']);
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186 | } else {
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187 | $LastMeasureTime = ' ';
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188 | $LastMeasureValue = ' ';
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189 | }
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190 | if ($Measure['Continuity'] == 1) $Interpolate = 'Ano'; else $Interpolate = 'Ne';
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191 | if ($Measure['Info'] == '') $Measure['Info'] = ' ';
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192 | $GenerationTime = floor((GetMicrotime() - $StopWatchStart) * 1000 ) / 1000;
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193 | $Output .= '<tr><td style="text-align: left"><a href="?Measure='.$Measure['Id'].
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194 | '&Differential=0">'.$Measure['Description'].'</a></td><td align="center">'.
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195 | $LastMeasureValue.'</td><td align="center">'.$LastMeasureTime.'</td><td align="center">'.
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196 | $Interpolate.'</td><td>'.$Measure['Info'].'</td>';
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197 | if (array_key_exists('Debug', $_GET))
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198 | $Output .= '<td>'.$RowCount.'</td><td>'.$GenerationTime.'</td>';
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199 | $Output .= '</tr>';
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200 | }
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201 | $Output .= '</table>';
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202 | return $Output;
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203 | }
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204 |
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205 | function ShowGraph(): string
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206 | {
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207 | $Output = '<strong>Graf:</strong><br>';
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208 | $Output .= '<img alt="Graf" src="Graph.php?Measure='.$_SESSION['Measure'].'&From='.
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209 | $_SESSION['TimeStart'].'&To='.$_SESSION['TimeEnd'].
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210 | '&Width=750&Height=200&Differential='.
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211 | $_SESSION['Differential'].'" width="750" height="200"><br>';
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212 | $Output .= '<a href="?Measure='.$_SESSION['Measure'].'&TimeStart='.
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213 | $_SESSION['TimeStart'].'&TimeEnd='.$_SESSION['TimeEnd'].
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214 | '&TimeSpecify=1&Differential='.$_SESSION['Differential'].
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215 | '">Odkaz na vybraný graf</a><br/>';
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216 | return $Output;
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217 | }
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218 |
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219 | function ShowTimeRange(): string
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220 | {
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221 | $Output = '';
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222 |
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223 | if (!array_key_exists('Operation', $_GET)) $_GET['Operation'] = '';
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224 | switch ($_GET['Operation'])
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225 | {
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226 | case 'SetTime':
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227 | if (array_key_exists('Time', $_GET) and array_key_exists('Month', $_POST) and array_key_exists('Day', $_POST) and
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228 | array_key_exists('Year', $_POST) and array_key_exists('Hour', $_POST) and array_key_exists('Minute', $_POST))
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229 | {
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230 | if (($_GET['Time'] == 'TimeStart') or ($_GET['Time'] == 'TimeEnd'))
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231 | {
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232 | $_SESSION[$_GET['Time']] = mktime($_POST['Hour'], $_POST['Minute'], 0, $_POST['Month'],
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233 | $_POST['Day'], $_POST['Year']);
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234 | }
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235 | }
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236 | break;
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237 | case 'SetTimeNow':
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238 | if (array_key_exists('Time', $_GET))
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239 | {
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240 | if (($_GET['Time'] == 'TimeStart') or ($_GET['Time'] == 'TimeEnd'))
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241 | {
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242 | $_SESSION[$_GET['Time']] = $this->Time;
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243 | }
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244 | }
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245 | break;
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246 |
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247 | }
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248 | $Output .= '<strong>Časový úsek:</strong><br>';
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249 |
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250 | // Show graph time range menu
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251 | if ($_SESSION['TimeSpecify'] == 0)
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252 | {
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253 | $Output .= 'Délka úseku: ';
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254 | foreach ($this->GraphTimeRanges as $Index => $Item)
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255 | $Output .= '<a href="?Period='.$Index.'">'.$Item['caption'].'</a> ';
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256 | $Output .= '<br>';
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257 | $Output .= '<a href="?TimeSpecify=1">Přesnější nastavení...</a><br>';
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258 | } else {
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259 | $Output .= '<table cellspacing="0" cellpadding="2" border="0" style="margin: 0px auto;">';
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260 | $Output .= '<tr><td>Počátek:</td><td>'.$this->EditTime('TimeStart').'</td></tr>';
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261 | $Output .= '<tr><td>Konec:</td><td>'.$this->EditTime('TimeEnd').'</td></tr>';
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262 | $Output .= '</table>';
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263 | $Output .= '<a href="?TimeSpecify=0">Jednoduché nastavení...</a><br>';
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264 | }
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265 | $Output .= 'Posun: <a href="?Move=LeftEnd">|<</a> <a href="?Move=Left"><</a> '.
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266 | '<a href="?Move=Right">></a> <a href="?Move=RightEnd">>|</a> <a href="?Move=Now">Nyní</a><br>';
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267 | $Output .= '<br/>';
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268 | return $Output;
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269 |
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270 | }
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271 |
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272 | function HandleURL(): void
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273 | {
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274 | foreach ($this->System->Config['DefaultVariables'] as $Index => $Variable)
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275 | {
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276 | if (!array_key_exists($Index, $_SESSION)) $_SESSION[$Index] = $Variable;
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277 | //if (array_key_exists($Index, $_GET)) $_SESSION[$Index] = $_GET[$Index];
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278 | //if (array_key_exists($Index, $_POST)) $_SESSION[$Index] = $_POST[$Index];
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279 | //$$Index = $_SESSION[$Index];
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280 | }
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281 | if (array_key_exists('Period', $_GET))
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282 | {
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283 | $_SESSION['Period'] = $_GET['Period'];
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284 | // Update time start according time period
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285 | if ($_SESSION['Period'] == 'all')
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286 | {
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287 | $Measure = $this->LoadMeasure($_SESSION['Measure']);
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288 | $FirstValue = $this->GetFirstMeasure($Measure);
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289 | $LastValue = $this->GetLastMeasure($Measure);
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290 | $_SESSION['TimeStart'] = $FirstValue['Time'];
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291 | $_SESSION['TimeEnd'] = $LastValue['Time'];
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292 | } else
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293 | {
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294 | $_SESSION['TimeStart'] = $_SESSION['TimeEnd'] - $this->GetTimeRange();
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295 | }
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296 | }
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297 | if (array_key_exists('TimeStart', $_GET))
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298 | {
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299 | $_SESSION['TimeStart'] = $_GET['TimeStart'];
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300 | }
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301 | if (array_key_exists('TimeEnd', $_GET))
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302 | {
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303 | $_SESSION['TimeStart'] = $_GET['TimeEnd'];
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304 | }
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305 | if (array_key_exists('Differential', $_GET))
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306 | {
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307 | $_SESSION['Differential'] = $_GET['Differential'];
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308 | }
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309 | if (array_key_exists('Measure', $_GET))
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310 | {
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311 | $_SESSION['Measure'] = $_GET['Measure'];
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312 | }
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313 | if (array_key_exists('TimeSpecify', $_GET))
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314 | {
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315 | if (($_SESSION['TimeSpecify'] == 1) and ($_GET['TimeSpecify'] == 0))
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316 | {
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317 | $_SESSION['TimeEnd'] = $this->Time - 60;
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318 | $_SESSION['TimeStart'] = $_SESSION['TimeEnd'] - $this->GetTimeRange();
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319 | }
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320 | $_SESSION['TimeSpecify'] = $_GET['TimeSpecify'];
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321 | }
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322 |
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323 | if (array_key_exists('Move', $_GET))
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324 | {
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325 | $Move = $_GET['Move'];
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326 | if ($Move == 'Left')
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327 | {
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328 | $_SESSION['TimeStart'] = $_SESSION['TimeStart'] - $this->GetTimeRange();
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329 | $_SESSION['TimeEnd'] = $_SESSION['TimeEnd'] - $this->GetTimeRange();
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330 | } else
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331 | if ($Move == 'Right')
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332 | {
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333 | $_SESSION['TimeStart'] = $_SESSION['TimeStart'] + $this->GetTimeRange();
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334 | $_SESSION['TimeEnd'] = $_SESSION['TimeEnd'] + $this->GetTimeRange();
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335 | } else
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336 | if ($Move == 'Now')
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337 | {
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338 | $_SESSION['TimeEnd'] = $this->Time - 60;
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339 | $_SESSION['TimeStart'] = $_SESSION['TimeEnd'] - $this->GetTimeRange();
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340 | } else
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341 | if ($Move == 'LeftEnd')
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342 | {
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343 | $Measure = $this->LoadMeasure($_SESSION['Measure']);
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344 | $FirstValue = $this->GetFirstMeasure($Measure);
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345 | $_SESSION['TimeStart'] = $FirstValue['Time'];
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346 | $_SESSION['TimeEnd'] = $_SESSION['TimeStart'] + $this->GetTimeRange();
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347 | } else
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348 | if ($Move == 'RightEnd')
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349 | {
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350 | $Measure = $this->LoadMeasure($_SESSION['Measure']);
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351 | $LastValue = $this->GetLastMeasure($Measure);
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352 | $_SESSION['TimeEnd'] = $LastValue['Time'];
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353 | $_SESSION['TimeStart'] = $_SESSION['TimeEnd'] - $this->GetTimeRange();
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354 | }
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355 | }
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356 | }
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357 |
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358 | function Show(): string
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359 | {
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360 | global $Config;
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361 |
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362 | $Debug = 0;
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363 | $this->HandleURL();
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364 |
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365 | $Output = '<div style="text-align: center"><div class="Title">'.$Config['Web']['Title'].'</div>';
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366 |
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367 | $Result = $this->Database->select('Measure', 'Id', '(`Enabled`=1) AND '.
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368 | '((`PermissionView`="all") OR (`PermissionView`="'.gethostbyaddr($_SERVER['REMOTE_ADDR']).'")) '.
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369 | 'AND (`Id`='.($_SESSION['Measure'] * 1).')');
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370 | if ($Result->num_rows == 0)
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371 | $_SESSION['Measure'] = $Config['DefaultVariables']['Measure'];
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372 |
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373 | $Output .= $this->ShowTimeRange();
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374 | $Output .= $this->ShowGraph();
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375 | $Output .= '<br/>';
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376 | $Output .= $this->ShowMeasureTable();
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377 | $Output .= '</div>';
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378 | return $Output;
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379 | }
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380 | }
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