1 | <?php |
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2 | /*======================================================================= |
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3 | // File: JPGRAPH_GANTT.PHP |
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4 | // Description: JpGraph Gantt plot extension |
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5 | // Created: 2001-11-12 |
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6 | // Author: Johan Persson (johanp@aditus.nu) |
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7 | // Ver: $Id: jpgraph_gantt.php 18250 2005-05-07 14:13:43Z ralfbecker $ |
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8 | // |
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9 | // License: This code is released under GPL 2.0 |
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10 | // |
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11 | //======================================================================== |
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12 | */ |
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13 | |
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14 | // Scale Header types |
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15 | DEFINE("GANTT_HDAY",1); |
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16 | DEFINE("GANTT_HWEEK",2); |
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17 | DEFINE("GANTT_HMONTH",4); |
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18 | DEFINE("GANTT_HYEAR",8); |
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19 | |
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20 | // Bar patterns |
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21 | DEFINE("GANTT_RDIAG",BAND_RDIAG); // Right diagonal lines |
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22 | DEFINE("GANTT_LDIAG",BAND_LDIAG); // Left diagonal lines |
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23 | DEFINE("GANTT_SOLID",BAND_SOLID); // Solid one color |
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24 | DEFINE("GANTT_VLINE",BAND_VLINE); // Vertical lines |
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25 | DEFINE("GANTT_HLINE",BAND_HLINE); // Horizontal lines |
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26 | DEFINE("GANTT_3DPLANE",BAND_3DPLANE); // "3D" Plane |
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27 | DEFINE("GANTT_HVCROSS",BAND_HVCROSS); // Vertical/Hor crosses |
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28 | DEFINE("GANTT_DIAGCROSS",BAND_DIAGCROSS); // Diagonal crosses |
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29 | |
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30 | // Conversion constant |
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31 | DEFINE("SECPERDAY",3600*24); |
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32 | |
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33 | // Locales |
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34 | DEFINE("LOCALE_EN",0); |
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35 | DEFINE("LOCALE_SE",1); |
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36 | DEFINE("LOCALE_DE",2); |
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37 | |
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38 | // Layout of bars |
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39 | DEFINE("GANTT_EVEN",1); |
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40 | DEFINE("GANTT_FROMTOP",2); |
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41 | |
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42 | // Styles for week header |
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43 | DEFINE("WEEKSTYLE_WNBR",0); |
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44 | DEFINE("WEEKSTYLE_FIRSTDAY",1); |
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45 | DEFINE("WEEKSTYLE_FIRSTDAY2",1); |
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46 | |
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47 | // Styles for month header |
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48 | DEFINE("MONTHSTYLE_SHORTNAME",0); |
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49 | DEFINE("MONTHSTYLE_LONGNAME",1); |
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50 | DEFINE("MONTHSTYLE_LONGNAMEYEAR2",2); |
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51 | DEFINE("MONTHSTYLE_SHORTNAMEYEAR2",3); |
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52 | DEFINE("MONTHSTYLE_LONGNAMEYEAR4",4); |
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53 | DEFINE("MONTHSTYLE_SHORTNAMEYEAR4",5); |
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54 | |
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55 | //=================================================== |
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56 | // CLASS DateLocale |
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57 | // Description: Hold localized text used in dates |
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58 | // ToDOo: Rewrite this to use the real local locale |
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59 | // instead. |
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60 | //=================================================== |
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61 | class DateLocale { |
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62 | var $iLocale=0; // Default to english |
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63 | var $iDayAbb = array( |
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64 | array("M","T","W","T","F","S","S"), // English locale |
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65 | array("M","T","O","T","F","L","S"), // Swedish locale |
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66 | array("M","D","M","D","F","S","S")); // German locale |
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67 | var $iShortDay = array( |
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68 | array("Mon","Tue","Wed","Thu","Fri","Sat","Sun"), |
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69 | array("Mån","Tis","Ons","Tor","Fre","Lör","Sön"), |
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70 | array("Mon","Die","Mit","Don","Fre","Sam","Son")); |
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71 | var $iShortMonth = array( |
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72 | array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"), |
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73 | array("Jan","Feb","Mar","Apr","Maj","Jun","Jul","Aug","Sep","Okt","Nov","Dec"), |
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74 | array("Jan","Feb","Mär","Apr","Mai","Jun","Jul","Aug","Sep","Okt","Nov","Dez")); |
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75 | var $iMonthName = array( |
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76 | array("January","February","Mars","April","May","June","July","August","September","October","November","December"), |
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77 | array("Januari","Februari","Mars","April","Maj","Juni","Juli","Augusti","September","Oktober","November","December"), |
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78 | array("Januar","Februar","März","April","Mai","Juni","July","August","September","Oktober","November","Dezember")); |
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79 | |
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80 | //--------------- |
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81 | // CONSTRUCTOR |
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82 | function DateLocale() { |
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83 | // Empty |
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84 | } |
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85 | |
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86 | //--------------- |
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87 | // PUBLIC METHODS |
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88 | function Set($aLocale) { |
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89 | if( $aLocale < LOCALE_EN || $aLocale > LOCALE_DE ) |
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90 | JpGraphError::Raise("<b>JpGraph Error:</b> Unsupported locale ($aLocale)"); |
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91 | $this->iLocale = $aLocale; |
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92 | } |
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93 | |
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94 | function GetDayAbb() { |
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95 | return $this->iDayAbb[$this->iLocale]; |
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96 | } |
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97 | |
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98 | function GetShortDay() { |
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99 | return $this->iShortDay[$this->iLocale]; |
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100 | } |
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101 | |
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102 | function GetShortMonth($aMonth=null) { |
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103 | return $this->iShortMonth[$this->iLocale]; |
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104 | } |
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105 | |
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106 | function GetShortMonthName($aNbr) { |
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107 | return $this->iShortMonth[$this->iLocale][$aNbr]; |
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108 | } |
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109 | |
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110 | function GetLongMonthName($aNbr) { |
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111 | return $this->iMonthName[$this->iLocale][$aNbr]; |
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112 | } |
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113 | |
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114 | function GetMonth() { |
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115 | return $this->iMonthName[$this->iLocale]; |
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116 | } |
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117 | } |
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118 | |
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119 | //=================================================== |
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120 | // CLASS GanttGraph |
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121 | // Description: Main class to handle gantt graphs |
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122 | //=================================================== |
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123 | class GanttGraph extends Graph { |
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124 | var $scale; // Public accessible |
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125 | var $iObj=array(); // Gantt objects |
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126 | var $iLabelHMarginFactor=0.2; // 10% margin on each side of the labels |
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127 | var $iLabelVMarginFactor=0.4; // 40% margin on top and bottom of label |
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128 | var $iLayout=GANTT_FROMTOP; // Could also be GANTT_EVEN |
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129 | |
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130 | //--------------- |
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131 | // CONSTRUCTOR |
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132 | // Create a new gantt graph |
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133 | function GanttGraph($aWidth=-1,$aHeight=-1,$aCachedName="",$aTimeOut=0,$aInline=true) { |
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134 | Graph::Graph($aWidth,$aHeight,$aCachedName,$aTimeOut,$aInline); |
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135 | $this->scale = new GanttScale($this->img); |
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136 | $this->img->SetMargin($aWidth/17,$aWidth/17,$aHeight/7,$aHeight/10); |
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137 | |
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138 | $this->scale->ShowHeaders(GANTT_HWEEK|GANTT_HDAY); |
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139 | $this->SetBox(); |
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140 | } |
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141 | |
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142 | //--------------- |
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143 | // PUBLIC METHODS |
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144 | // Set what headers should be shown |
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145 | function ShowHeaders($aFlg) { |
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146 | $this->scale->ShowHeaders($aFlg); |
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147 | } |
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148 | |
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149 | // Specify the fraction of the font height that should be added |
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150 | // as vertical margin |
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151 | function SetLabelVMarginFactor($aVal) { |
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152 | $this->iLabelVMarginFactor = $aVal; |
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153 | } |
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154 | |
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155 | // Add a new Gantt object |
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156 | function Add(&$aObject) { |
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157 | if( is_array($aObject) ) { |
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158 | for($i=0; $i<count($aObject); ++$i) |
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159 | $this->iObj[] = $aObject[$i]; |
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160 | } |
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161 | else |
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162 | $this->iObj[] = $aObject; |
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163 | } |
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164 | |
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165 | // Override inherit method from Graph and give a warning message |
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166 | function SetScale() { |
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167 | JpGraphError::Raise("<b>JpGraph Error:</b> SetScale() is not meaningfull with Gantt charts."); |
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168 | // Empty |
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169 | } |
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170 | |
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171 | // Specify the date range for Gantt graphs (if this is not set it will be |
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172 | // automtically determined from the input data) |
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173 | function SetDateRange($aStart,$aEnd) { |
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174 | $this->scale->SetRange($aStart,$aEnd); |
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175 | } |
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176 | |
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177 | // Get the maximum width of the titles for the bars |
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178 | function GetMaxLabelWidth() { |
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179 | $m=0; |
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180 | if( $this->iObj != null ) { |
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181 | $m = $this->iObj[0]->title->GetWidth($this->img); |
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182 | for($i=1; $i<count($this->iObj); ++$i) { |
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183 | if( $this->iObj[$i]->title->HasTabs() ) { |
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184 | list($tot,$w) = $this->iObj[$i]->title->GetWidth($this->img,true); |
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185 | $m=max($m,$tot); |
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186 | } |
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187 | else |
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188 | $m=max($m,$this->iObj[$i]->title->GetWidth($this->img)); |
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189 | } |
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190 | } |
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191 | return $m; |
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192 | } |
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193 | |
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194 | // Get the maximum height of the titles for the bars |
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195 | function GetMaxLabelHeight() { |
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196 | $m=0; |
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197 | if( $this->iObj != null ) { |
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198 | $m = $this->iObj[0]->title->GetHeight($this->img); |
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199 | for($i=1; $i<count($this->iObj); ++$i) { |
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200 | $m=max($m,$this->iObj[$i]->title->GetHeight($this->img)); |
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201 | } |
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202 | } |
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203 | return $m; |
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204 | } |
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205 | |
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206 | function GetMaxBarAbsHeight() { |
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207 | $m=0; |
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208 | if( $this->iObj != null ) { |
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209 | $m = $this->iObj[0]->GetAbsHeight($this->img); |
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210 | for($i=1; $i<count($this->iObj); ++$i) { |
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211 | $m=max($m,$this->iObj[$i]->GetAbsHeight($this->img)); |
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212 | } |
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213 | } |
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214 | return $m; |
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215 | } |
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216 | |
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217 | // Get the maximum used line number (vertical position) for bars |
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218 | function GetBarMaxLineNumber() { |
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219 | $m=0; |
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220 | if( $this->iObj != null ) { |
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221 | $m = $this->iObj[0]->GetLineNbr(); |
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222 | for($i=1; $i<count($this->iObj); ++$i) { |
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223 | $m=max($m,$this->iObj[$i]->GetLineNbr()); |
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224 | } |
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225 | } |
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226 | return $m; |
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227 | } |
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228 | |
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229 | // Get the minumum and maximum used dates for all bars |
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230 | function GetBarMinMax() { |
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231 | $max=$this->scale->NormalizeDate($this->iObj[0]->GetMaxDate()); |
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232 | $min=$this->scale->NormalizeDate($this->iObj[0]->GetMinDate()); |
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233 | for($i=1; $i<count($this->iObj); ++$i) { |
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234 | $max=Max($max,$this->scale->NormalizeDate($this->iObj[$i]->GetMaxDate())); |
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235 | $min=Min($min,$this->scale->NormalizeDate($this->iObj[$i]->GetMinDate())); |
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236 | } |
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237 | $minDate = date("Y-m-d",$min); |
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238 | $min = strtotime($minDate); |
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239 | $maxDate = date("Y-m-d",$max); |
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240 | $max = strtotime($maxDate); |
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241 | return array($min,$max); |
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242 | } |
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243 | |
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244 | // Stroke the gantt chart |
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245 | function Stroke($aStrokeFileName="") { |
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246 | |
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247 | // Should we autoscale dates? |
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248 | if( !$this->scale->IsRangeSet() ) { |
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249 | list($min,$max) = $this->GetBarMinMax(); |
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250 | $this->scale->SetRange($min,$max); |
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251 | } |
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252 | |
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253 | if( $this->img->img == null ) { |
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254 | // The predefined left, right, top, bottom margins. |
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255 | // Note that the top margin might incease depending on |
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256 | // the title. |
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257 | $lm=30;$rm=30;$tm=20;$bm=30; |
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258 | if( BRAND_TIMING ) $bm += 10; |
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259 | |
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260 | // First find out the height |
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261 | $n=$this->GetBarMaxLineNumber()+1; |
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262 | $m=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight()); |
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263 | $height=$n*((1+$this->iLabelVMarginFactor)*$m); |
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264 | |
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265 | // Add the height of the scale titles |
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266 | $h=$this->scale->GetHeaderHeight(); |
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267 | $height += $h; |
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268 | |
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269 | // Calculate the top margin needed for title and subtitle |
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270 | if( $this->title->t != "" ) { |
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271 | $tm += $this->title->GetFontHeight($this->img); |
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272 | } |
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273 | if( $this->subtitle->t != "" ) { |
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274 | $tm += $this->subtitle->GetFontHeight($this->img); |
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275 | } |
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276 | |
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277 | // ...and then take the bottom and top plot margins into account |
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278 | $height += $tm + $bm + $this->scale->iTopPlotMargin + $this->scale->iBottomPlotMargin; |
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279 | |
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280 | // Now find the minimum width for the chart required |
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281 | $fw=$this->scale->day->GetFontWidth($this->img)+4; |
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282 | $nd=$this->scale->GetNumberOfDays(); |
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283 | if( !$this->scale->IsDisplayDay() ) { |
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284 | // If we don't display the individual days we can shrink the |
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285 | // scale a little bit. This is a little bit pragmatic at the |
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286 | // moment and should be re-written to take into account |
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287 | // a) What scales exactly are shown and |
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288 | // b) what format do they use so we know how wide we need to |
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289 | // make each scale text space at minimum. |
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290 | $fw /= 2; |
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291 | if( !$this->scale->IsDisplayWeek() ) { |
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292 | $fw /= 1.8; |
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293 | } |
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294 | } |
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295 | |
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296 | // Now determine the width for the activity titles column |
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297 | // This is complicated by the fact that the titles may have |
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298 | // tabs. In that case we also need to calculate the individual |
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299 | // tab positions based on the width of the individual columns |
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300 | |
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301 | $titlewidth = $this->GetMaxLabelWidth(); |
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302 | |
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303 | // Now get the total width taking |
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304 | // titlewidth, left and rigt margin, dayfont size |
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305 | // into account |
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306 | $width = $titlewidth + $nd*$fw + $lm+$rm; |
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307 | |
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308 | $this->img->CreateImgCanvas($width,$height); |
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309 | $this->img->SetMargin($lm,$rm,$tm,$bm); |
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310 | } |
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311 | |
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312 | // Should we start from the top or just spread the bars out even over the |
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313 | // available height |
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314 | $this->scale->SetVertLayout($this->iLayout); |
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315 | if( $this->iLayout == GANTT_FROMTOP ) { |
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316 | $maxheight=max($this->GetMaxLabelHeight(),$this->GetMaxBarAbsHeight()); |
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317 | $this->scale->SetVertSpacing($maxheight*(1+$this->iLabelVMarginFactor)); |
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318 | } |
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319 | // If it hasn't been set find out the maximum line number |
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320 | if( $this->scale->iVertLines == -1 ) |
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321 | $this->scale->iVertLines = $this->GetBarMaxLineNumber()+1; |
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322 | |
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323 | $maxwidth=max($this->GetMaxLabelWidth(),$this->scale->tableTitle->GetWidth($this->img)); |
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324 | $this->scale->SetLabelWidth($maxwidth*(1+$this->iLabelHMarginFactor)); |
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325 | $this->StrokePlotArea(); |
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326 | $this->scale->Stroke(); |
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327 | $this->StrokePlotBox(); |
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328 | |
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329 | for($i=0; $i<count($this->iObj); ++$i) { |
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330 | $this->iObj[$i]->SetLabelLeftMargin(round($maxwidth*$this->iLabelHMarginFactor/2)); |
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331 | $this->iObj[$i]->Stroke($this->img,$this->scale); |
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332 | } |
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333 | |
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334 | $this->StrokeTitles(); |
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335 | $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); |
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336 | } |
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337 | } |
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338 | |
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339 | //=================================================== |
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340 | // CLASS TextProperty |
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341 | // Description: Holds properties for a text |
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342 | //=================================================== |
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343 | class TextProperty { |
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344 | var $iFFamily=FF_FONT1,$iFStyle=FS_NORMAL,$iFSize=10; |
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345 | var $iColor="black"; |
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346 | var $iShow=true; |
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347 | var $iText=""; |
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348 | var $iHAlign="left",$iVAlign="bottom"; |
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349 | |
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350 | //--------------- |
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351 | // CONSTRUCTOR |
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352 | function TextProperty($aTxt="") { |
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353 | $this->iText = $aTxt; |
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354 | } |
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355 | |
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356 | //--------------- |
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357 | // PUBLIC METHODS |
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358 | function Set($aTxt) { |
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359 | $this->iText = $aTxt; |
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360 | } |
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361 | |
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362 | // Set text color |
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363 | function SetColor($aColor) { |
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364 | $this->iColor = $aColor; |
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365 | } |
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366 | |
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367 | function HasTabs() { |
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368 | return substr_count($this->iText,"\t") > 0; |
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369 | } |
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370 | |
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371 | // Get number of tabs in string |
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372 | function GetNbrTabs() { |
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373 | substr_count($this->iText,"\t"); |
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374 | } |
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375 | |
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376 | // Set alignment |
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377 | function Align($aHAlign,$aVAlign="bottom") { |
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378 | $this->iHAlign=$aHAlign; |
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379 | $this->iVAlign=$aVAlign; |
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380 | } |
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381 | |
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382 | // Specify font |
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383 | function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) { |
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384 | $this->iFFamily = $aFFamily; |
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385 | $this->iFStyle = $aFStyle; |
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386 | $this->iFSize = $aFSize; |
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387 | } |
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388 | |
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389 | // Get width of text. If text contains several columns separated by |
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390 | // tabs then return both the total width as well as an array with a |
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391 | // width for each column. |
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392 | function GetWidth($aImg,$aUseTabs=false,$aTabExtraMargin=1.1) { |
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393 | if( strlen($this->iText)== 0 ) return; |
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394 | $tmp = split("\t",$this->iText); |
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395 | $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize); |
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396 | if( count($tmp) <= 1 || !$aUseTabs ) { |
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397 | return $aImg->GetTextWidth($this->iText); |
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398 | } |
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399 | else { |
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400 | $tot=0; |
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401 | for($i=0; $i<count($tmp); ++$i) { |
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402 | $res[$i] = $aImg->GetTextWidth($tmp[$i]); |
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403 | $tot += $res[$i]*$aTabExtraMargin; |
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404 | } |
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405 | return array($tot,$res); |
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406 | } |
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407 | } |
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408 | |
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409 | // Get total height of text |
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410 | function GetHeight($aImg) { |
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411 | $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize); |
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412 | return $aImg->GetFontHeight(); |
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413 | } |
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414 | |
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415 | // Unhide/hide the text |
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416 | function Show($aShow) { |
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417 | $this->iShow=$aShow; |
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418 | } |
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419 | |
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420 | // Stroke text at (x,y) coordinates. If the text contains tabs then the |
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421 | // x parameter should be an array of positions to be used for each successive |
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422 | // tab mark. If no array is supplied then the tabs will be ignored. |
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423 | function Stroke($aImg,$aX,$aY) { |
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424 | if( $this->iShow ) { |
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425 | $aImg->SetColor($this->iColor); |
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426 | $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize); |
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427 | $aImg->SetTextAlign($this->iHAlign,$this->iVAlign); |
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428 | if( $this->GetNbrTabs() <= 1 || !is_array($aX) ) { |
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429 | // Get rid of any "\t" characters and stroke string |
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430 | $aImg->StrokeText($aX,$aY,str_replace("\t"," ",$this->iText)); |
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431 | } |
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432 | else { |
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433 | $tmp = split("\t",$this->iText); |
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434 | $n = min(count($tmp),count($aX)); |
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435 | for($i=0; $i<$n; ++$i) { |
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436 | $aImg->StrokeText($aX[$i],$aY,$tmp[$i]); |
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437 | } |
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438 | } |
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439 | } |
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440 | } |
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441 | } |
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442 | |
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443 | //=================================================== |
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444 | // CLASS HeaderProperty |
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445 | // Description: Data encapsulating class to hold property |
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446 | // for each type of the scale headers |
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447 | //=================================================== |
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448 | class HeaderProperty { |
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449 | var $iTitleVertMargin=3,$iFFamily=FF_FONT0,$iFStyle=FS_NORMAL,$iFSize=8; |
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450 | var $iFrameColor="black",$iFrameWeight=1; |
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451 | var $iShowLabels=true,$iShowGrid=true; |
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452 | var $iBackgroundColor="white"; |
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453 | var $iWeekendBackgroundColor="lightgray",$iSundayTextColor="red"; // these are only used with day scale |
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454 | var $iTextColor="black"; |
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455 | var $iLabelFormStr="%d"; |
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456 | var $grid,$iStyle=0; |
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457 | |
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458 | //--------------- |
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459 | // CONSTRUCTOR |
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460 | function HeaderProperty() { |
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461 | $this->grid = new LineProperty(); |
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462 | } |
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463 | |
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464 | //--------------- |
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465 | // PUBLIC METHODS |
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466 | function Show($aShow) { |
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467 | $this->iShowLabels = $aShow; |
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468 | } |
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469 | |
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470 | function SetFont($aFFamily,$aFStyle=FS_NORMAL,$aFSize=10) { |
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471 | $this->iFFamily = $aFFamily; |
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472 | $this->iFStyle = $aFStyle; |
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473 | $this->iFSize = $aFSize; |
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474 | } |
---|
475 | |
---|
476 | function SetFontColor($aColor) { |
---|
477 | $this->iTextColor = $aColor; |
---|
478 | } |
---|
479 | |
---|
480 | function GetFontHeight($aImg) { |
---|
481 | $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize); |
---|
482 | return $aImg->GetFontHeight(); |
---|
483 | } |
---|
484 | |
---|
485 | function GetFontWidth($aImg) { |
---|
486 | $aImg->SetFont($this->iFFamily,$this->iFStyle,$this->iFSize); |
---|
487 | return $aImg->GetFontWidth(); |
---|
488 | } |
---|
489 | |
---|
490 | function SetStyle($aStyle) { |
---|
491 | $this->iStyle = $aStyle; |
---|
492 | } |
---|
493 | |
---|
494 | function SetBackgroundColor($aColor) { |
---|
495 | $this->iBackgroundColor=$aColor; |
---|
496 | } |
---|
497 | |
---|
498 | function SetFrameWeight($aWeight) { |
---|
499 | $this->iFrameWeight=$aWeight; |
---|
500 | } |
---|
501 | |
---|
502 | function SetFrameColor($aColor) { |
---|
503 | $this->iFrameColor=$aColor; |
---|
504 | } |
---|
505 | |
---|
506 | // Only used by day scale |
---|
507 | function SetWeekendColor($aColor) { |
---|
508 | $this->iWeekendBackgroundColor=$aColor; |
---|
509 | } |
---|
510 | |
---|
511 | // Only used by day scale |
---|
512 | function SetSundayFontColor($aColor) { |
---|
513 | $this->iSundayTextColor=$aColor; |
---|
514 | } |
---|
515 | |
---|
516 | function SetTitleVertMargin($aMargin) { |
---|
517 | $this->iTitleVertMargin=$aMargin; |
---|
518 | } |
---|
519 | |
---|
520 | function SetLabelFormatString($aStr) { |
---|
521 | $this->iLabelFormStr=$aStr; |
---|
522 | } |
---|
523 | } |
---|
524 | |
---|
525 | //=================================================== |
---|
526 | // CLASS GanttScale |
---|
527 | // Description: Responsible for calculating and showing |
---|
528 | // the scale in a gantt chart. This includes providing methods for |
---|
529 | // converting dates to position in the chart as well as stroking the |
---|
530 | // date headers (days, week, etc). |
---|
531 | //=================================================== |
---|
532 | class GanttScale { |
---|
533 | var $day,$week,$month,$year; |
---|
534 | var $divider,$dividerh,$tableTitle; |
---|
535 | var $iStartDate=-1,$iEndDate=-1; |
---|
536 | // Number of gantt bar position (n.b not necessariliy the same as the number of bars) |
---|
537 | // we could have on bar in position 1, and one bar in position 5 then there are two |
---|
538 | // bars but the number of bar positions is 5 |
---|
539 | var $iVertLines=-1; |
---|
540 | // The width of the labels (defaults to the widest of all labels) |
---|
541 | var $iLabelWidth; |
---|
542 | // Out image to stroke the scale to |
---|
543 | var $iImg; |
---|
544 | var $iTableHeaderBackgroundColor="white",$iTableHeaderFrameColor="black"; |
---|
545 | var $iTableHeaderFrameWeight=1; |
---|
546 | var $iAvailableHeight=-1,$iVertSpacing=-1,$iVertHeaderSize=-1; |
---|
547 | var $iDateLocale; |
---|
548 | var $iVertLayout=GANTT_EVEN; |
---|
549 | var $iTopPlotMargin=10,$iBottomPlotMargin=15; |
---|
550 | var $iUsePlotWeekendBackground=true; |
---|
551 | |
---|
552 | //--------------- |
---|
553 | // CONSTRUCTOR |
---|
554 | function GanttScale(&$aImg) { |
---|
555 | $this->iImg = &$aImg; |
---|
556 | $this->iDateLocale = new DateLocale(); |
---|
557 | $this->day = new HeaderProperty(); |
---|
558 | $this->day->grid->SetColor("gray"); |
---|
559 | |
---|
560 | $this->week = new HeaderProperty(); |
---|
561 | $this->week->SetLabelFormatString("w%d"); |
---|
562 | $this->week->SetFont(FF_FONT1); |
---|
563 | |
---|
564 | $this->month = new HeaderProperty(); |
---|
565 | $this->month->SetFont(FF_FONT1,FS_BOLD); |
---|
566 | |
---|
567 | $this->year = new HeaderProperty(); |
---|
568 | $this->year->SetFont(FF_FONT1,FS_BOLD); |
---|
569 | |
---|
570 | $this->divider=new LineProperty(); |
---|
571 | $this->dividerh=new LineProperty(); |
---|
572 | $this->tableTitle=new TextProperty(); |
---|
573 | } |
---|
574 | |
---|
575 | //--------------- |
---|
576 | // PUBLIC METHODS |
---|
577 | // Specify what headers should be visible |
---|
578 | function ShowHeaders($aFlg) { |
---|
579 | $this->day->Show($aFlg & GANTT_HDAY); |
---|
580 | $this->week->Show($aFlg & GANTT_HWEEK); |
---|
581 | $this->month->Show($aFlg & GANTT_HMONTH); |
---|
582 | $this->year->Show($aFlg & GANTT_HYEAR); |
---|
583 | |
---|
584 | // Make some default settings of gridlines whihc makes sense |
---|
585 | if( $aFlg & GANTT_HWEEK ) { |
---|
586 | $this->month->grid->Show(false); |
---|
587 | $this->year->grid->Show(false); |
---|
588 | } |
---|
589 | } |
---|
590 | |
---|
591 | // Should the weekend background stretch all the way down in the plotarea |
---|
592 | function UseWeekendBackground($aShow) { |
---|
593 | $this->iUsePlotWeekendBackground = $aShow; |
---|
594 | } |
---|
595 | |
---|
596 | // Have a range been specified? |
---|
597 | function IsRangeSet() { |
---|
598 | return $this->iStartDate!=-1 && $this->iEndDate!=-1; |
---|
599 | } |
---|
600 | |
---|
601 | // Should the layout be from top or even? |
---|
602 | function SetVertLayout($aLayout) { |
---|
603 | $this->iVertLayout = $aLayout; |
---|
604 | } |
---|
605 | |
---|
606 | // Which locale should be used? |
---|
607 | function SetDateLocale($aLocale) { |
---|
608 | $this->iDateLocale->Set($aLocale); |
---|
609 | } |
---|
610 | |
---|
611 | // Number of days we are showing |
---|
612 | function GetNumberOfDays() { |
---|
613 | return round(($this->iEndDate-$this->iStartDate)/SECPERDAY)+1; |
---|
614 | } |
---|
615 | |
---|
616 | // The widthj of the actual plot area |
---|
617 | function GetPlotWidth() { |
---|
618 | $img=$this->iImg; |
---|
619 | return $img->width - $img->left_margin - $img->right_margin; |
---|
620 | } |
---|
621 | |
---|
622 | // Specify the width of the titles(labels) for the activities |
---|
623 | // (This is by default set to the minimum width enought for the |
---|
624 | // widest title) |
---|
625 | function SetLabelWidth($aLabelWidth) { |
---|
626 | $this->iLabelWidth=$aLabelWidth; |
---|
627 | } |
---|
628 | |
---|
629 | // Do we show day scale? |
---|
630 | function IsDisplayDay() { |
---|
631 | return $this->day->iShowLabels; |
---|
632 | } |
---|
633 | |
---|
634 | // Do we show week scale? |
---|
635 | function IsDisplayWeek() { |
---|
636 | return $this->week->iShowLabels; |
---|
637 | } |
---|
638 | |
---|
639 | // Do we show month scale? |
---|
640 | function IsDisplayMonth() { |
---|
641 | return $this->month->iShowLabels; |
---|
642 | } |
---|
643 | |
---|
644 | // Do we show year scale? |
---|
645 | function IsDisplayYear() { |
---|
646 | return $this->year->iShowLabels; |
---|
647 | } |
---|
648 | |
---|
649 | // Specify spacing (in percent of bar height) between activity bars |
---|
650 | function SetVertSpacing($aSpacing) { |
---|
651 | $this->iVertSpacing = $aSpacing; |
---|
652 | } |
---|
653 | |
---|
654 | // Specify scale min and max date either as timestamp or as date strings |
---|
655 | // Always round to the nearest week boundary |
---|
656 | function SetRange($aMin,$aMax) { |
---|
657 | $this->iStartDate = $this->NormalizeDate($aMin); |
---|
658 | $this->iEndDate = $this->NormalizeDate($aMax); |
---|
659 | |
---|
660 | // Get day in week Sun=0 |
---|
661 | $ds=strftime("%w",$this->iStartDate); |
---|
662 | $de=strftime("%w",$this->iEndDate); |
---|
663 | |
---|
664 | if( $ds==0 ) $ds=7; |
---|
665 | if( $de==0 ) $de=7; |
---|
666 | |
---|
667 | // We want to start on Monday |
---|
668 | $this->iStartDate -= SECPERDAY*($ds-1); |
---|
669 | |
---|
670 | // We want to end on a Sunday |
---|
671 | $this->iEndDate += SECPERDAY*(7-$de); |
---|
672 | } |
---|
673 | |
---|
674 | // Specify background for the table title area (upper left corner of the table) |
---|
675 | function SetTableTitleBackground($aColor) { |
---|
676 | $this->iTableHeaderBackgroundColor = $aColor; |
---|
677 | } |
---|
678 | |
---|
679 | /////////////////////////////////////// |
---|
680 | // PRIVATE Methods |
---|
681 | |
---|
682 | // Determine the height of all the scale headers combined |
---|
683 | function GetHeaderHeight() { |
---|
684 | $img=$this->iImg; |
---|
685 | $height=1; |
---|
686 | if( $this->day->iShowLabels ) { |
---|
687 | $height += $this->day->GetFontHeight($img); |
---|
688 | $height += $this->day->iTitleVertMargin; |
---|
689 | } |
---|
690 | if( $this->week->iShowLabels ) { |
---|
691 | $height += $this->week->GetFontHeight($img); |
---|
692 | $height += $this->week->iTitleVertMargin; |
---|
693 | } |
---|
694 | if( $this->month->iShowLabels ) { |
---|
695 | $height += $this->month->GetFontHeight($img); |
---|
696 | $height += $this->month->iTitleVertMargin; |
---|
697 | } |
---|
698 | if( $this->year->iShowLabels ) { |
---|
699 | $height += $this->year->GetFontHeight($img); |
---|
700 | $height += $this->year->iTitleVertMargin; |
---|
701 | } |
---|
702 | return $height; |
---|
703 | } |
---|
704 | |
---|
705 | // Get width (in pisels) for a single day |
---|
706 | function GetDayWidth() { |
---|
707 | return ($this->GetPlotWidth()-$this->iLabelWidth+1)/$this->GetNumberOfDays(); |
---|
708 | } |
---|
709 | |
---|
710 | // Nuber of days in a year |
---|
711 | function GetNumDaysInYear($aYear) { |
---|
712 | if( $this->IsLeap($aYear) ) |
---|
713 | return 366; |
---|
714 | else |
---|
715 | return 365; |
---|
716 | } |
---|
717 | |
---|
718 | // Get day number in year |
---|
719 | function GetDayNbrInYear($aDate) { |
---|
720 | return 0+strftime("%j",$aDate); |
---|
721 | } |
---|
722 | |
---|
723 | // Get week number |
---|
724 | function GetWeekNbr($aDate) { |
---|
725 | // We can't use the internal strftime() since it gets the weeknumber |
---|
726 | // wrong since it doesn't follow ISO. |
---|
727 | // Even worse is that this works differently if we are on a Windows |
---|
728 | // or UNIX box (it even differs between UNIX boxes how strftime() |
---|
729 | // is natively implemented) |
---|
730 | // |
---|
731 | // Credit to Nicolas Hoizey <nhoizey@phpheaven.net> for this elegant |
---|
732 | // version of Week Nbr calculation. |
---|
733 | |
---|
734 | $day = $this->NormalizeDate($aDate); |
---|
735 | |
---|
736 | /*------------------------------------------------------------------------- |
---|
737 | According to ISO-8601 : |
---|
738 | "Week 01 of a year is per definition the first week that has the Thursday in this year, |
---|
739 | which is equivalent to the week that contains the fourth day of January. |
---|
740 | In other words, the first week of a new year is the week that has the majority of its |
---|
741 | days in the new year." |
---|
742 | |
---|
743 | Be carefull, with PHP, -3 % 7 = -3, instead of 4 !!! |
---|
744 | |
---|
745 | day of year = date("z", $day) + 1 |
---|
746 | offset to thursday = 3 - (date("w", $day) + 6) % 7 |
---|
747 | first thursday of year = 1 + (11 - date("w", mktime(0, 0, 0, 1, 1, date("Y", $day)))) % 7 |
---|
748 | week number = (thursday's day of year - first thursday's day of year) / 7 + 1 |
---|
749 | ---------------------------------------------------------------------------*/ |
---|
750 | |
---|
751 | $thursday = $day + 60 * 60 * 24 * (3 - (date("w", $day) + 6) % 7); // take week's thursday |
---|
752 | $week = 1 + (date("z", $thursday) - (11 - date("w", mktime(0, 0, 0, 1, 1, date("Y", $thursday)))) % 7) / 7; |
---|
753 | |
---|
754 | return $week; |
---|
755 | } |
---|
756 | |
---|
757 | // Is year a leap year? |
---|
758 | function IsLeap($aYear) { |
---|
759 | // Is the year a leap year? |
---|
760 | //$year = 0+date("Y",$aDate); |
---|
761 | if( $aYear % 4 == 0) |
---|
762 | if( !($aYear % 100 == 0) || ($aYear % 400 == 0) ) |
---|
763 | return true; |
---|
764 | return false; |
---|
765 | } |
---|
766 | |
---|
767 | // Get current year |
---|
768 | function GetYear($aDate) { |
---|
769 | return 0+Date("Y",$aDate); |
---|
770 | } |
---|
771 | |
---|
772 | // Return number of days in a year |
---|
773 | function GetNumDaysInMonth($aMonth,$aYear) { |
---|
774 | $days=array(31,28,31,30,31,30,31,31,30,31,30,31); |
---|
775 | $daysl=array(31,29,31,30,31,30,31,31,30,31,30,31); |
---|
776 | if( $this->IsLeap($aYear)) |
---|
777 | return $daysl[$aMonth]; |
---|
778 | else |
---|
779 | return $days[$aMonth]; |
---|
780 | } |
---|
781 | |
---|
782 | // Get day in month |
---|
783 | function GetMonthDayNbr($aDate) { |
---|
784 | return 0+strftime("%d",$aDate); |
---|
785 | } |
---|
786 | |
---|
787 | // Get day in year |
---|
788 | function GetYearDayNbr($aDate) { |
---|
789 | return 0+strftime("%j",$aDate); |
---|
790 | } |
---|
791 | |
---|
792 | // Get month number |
---|
793 | function GetMonthNbr($aDate) { |
---|
794 | return 0+strftime("%m",$aDate); |
---|
795 | } |
---|
796 | |
---|
797 | // Translate a date to screen coordinates (horizontal scale) |
---|
798 | function TranslateDate($aDate) { |
---|
799 | $aDate = $this->NormalizeDate($aDate); |
---|
800 | $img=$this->iImg; |
---|
801 | //print date('d-m-Y H:i:s',$aDate).'--'.date('d-m-Y H:i:s',$this->iEndDate)."<br>"; |
---|
802 | if( $aDate < $this->iStartDate || $aDate > $this->iEndDate ) |
---|
803 | JpGraphError::Raise("<b>JpGraph Error:</b> Date is outside specified scale range."); |
---|
804 | return ($aDate-$this->iStartDate)/SECPERDAY*$this->GetDayWidth()+$img->left_margin+$this->iLabelWidth;; |
---|
805 | } |
---|
806 | |
---|
807 | // Get screen coordinatesz for the vertical position for a bar |
---|
808 | function TranslateVertPos($aPos) { |
---|
809 | $img=$this->iImg; |
---|
810 | $ph=$this->iAvailableHeight; |
---|
811 | if( $aPos > $this->iVertLines ) |
---|
812 | JpGraphError::Raise("<b>JpGraph Error:</b> Illegal vertical position $aPos"); |
---|
813 | if( $this->iVertLayout == GANTT_EVEN ) { |
---|
814 | // Position the top bar at 1 vert spacing from the scale |
---|
815 | return round($img->top_margin + $this->iVertHeaderSize + ($aPos+1)*$this->iVertSpacing); |
---|
816 | } |
---|
817 | else { |
---|
818 | // position the top bar at 1/2 a vert spacing from the scale |
---|
819 | return round($img->top_margin + $this->iVertHeaderSize + $this->iTopPlotMargin + ($aPos+1)*$this->iVertSpacing); |
---|
820 | } |
---|
821 | } |
---|
822 | |
---|
823 | // What is the vertical spacing? |
---|
824 | function GetVertSpacing() { |
---|
825 | return $this->iVertSpacing; |
---|
826 | } |
---|
827 | |
---|
828 | // Convert a date to timestamp |
---|
829 | function NormalizeDate($aDate) { |
---|
830 | if( is_string($aDate) ) |
---|
831 | return strtotime($aDate); |
---|
832 | elseif( is_int($aDate) || is_float($aDate) ) |
---|
833 | return $aDate; |
---|
834 | else |
---|
835 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown date format in GanttScale ($aDate)."); |
---|
836 | } |
---|
837 | |
---|
838 | // Stroke the day scale (including gridlines) |
---|
839 | function StrokeDays($aYCoord) { |
---|
840 | $wdays=$this->iDateLocale->GetDayAbb(); |
---|
841 | $img=$this->iImg; |
---|
842 | $daywidth=$this->GetDayWidth(); |
---|
843 | $xt=$img->left_margin+$this->iLabelWidth; |
---|
844 | $yt=$aYCoord+$img->top_margin; |
---|
845 | if( $this->day->iShowLabels ) { |
---|
846 | $img->SetFont($this->day->iFFamily,$this->day->iFStyle,$this->day->iFSize); |
---|
847 | $xb=$img->width-$img->right_margin; |
---|
848 | $yb=$yt + $img->GetFontHeight() + $this->day->iTitleVertMargin + $this->day->iFrameWeight; |
---|
849 | $img->SetColor($this->day->iBackgroundColor); |
---|
850 | $img->FilledRectangle($xt,$yt,$xb,$yb); |
---|
851 | |
---|
852 | $img->SetColor($this->day->grid->iColor); |
---|
853 | $x = $xt; |
---|
854 | $img->SetTextAlign("center"); |
---|
855 | for($i=0; $i<$this->GetNumberOfDays(); ++$i, $x+=$daywidth) { |
---|
856 | $day=$i%7; |
---|
857 | if( $day==5 ) { |
---|
858 | $img->PushColor($this->day->iWeekendBackgroundColor); |
---|
859 | if( $this->iUsePlotWeekendBackground ) |
---|
860 | $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+2*$daywidth,$img->height-$img->bottom_margin); |
---|
861 | else |
---|
862 | $img->FilledRectangle($x,$yt+$this->day->iFrameWeight,$x+2*$daywidth,$yb-$this->day->iFrameWeight); |
---|
863 | $img->PopColor(); |
---|
864 | } |
---|
865 | if( $day==6 ) |
---|
866 | $img->PushColor($this->day->iSundayTextColor); |
---|
867 | else |
---|
868 | $img->PushColor($this->day->iTextColor); |
---|
869 | $img->StrokeText(round($x+$daywidth/2+1), |
---|
870 | round($yb-$this->day->iTitleVertMargin), |
---|
871 | $wdays[$i%7]); |
---|
872 | $img->PopColor(); |
---|
873 | $img->Line($x,$yt,$x,$yb); |
---|
874 | $this->day->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin); |
---|
875 | } |
---|
876 | $img->SetColor($this->day->iFrameColor); |
---|
877 | $img->SetLineWeight($this->day->iFrameWeight); |
---|
878 | $img->Rectangle($xt,$yt,$xb,$yb); |
---|
879 | return $yb - $img->top_margin; |
---|
880 | } |
---|
881 | return $aYCoord; |
---|
882 | } |
---|
883 | |
---|
884 | // Stroke week header and grid |
---|
885 | function StrokeWeeks($aYCoord) { |
---|
886 | $wdays=$this->iDateLocale->GetDayAbb(); |
---|
887 | $img=$this->iImg; |
---|
888 | $weekwidth=$this->GetDayWidth()*7; |
---|
889 | $xt=$img->left_margin+$this->iLabelWidth; |
---|
890 | $yt=$aYCoord+$img->top_margin; |
---|
891 | $img->SetFont($this->week->iFFamily,$this->week->iFStyle,$this->week->iFSize); |
---|
892 | $xb=$img->width-$img->right_margin; |
---|
893 | $yb=$yt + $img->GetFontHeight() + $this->week->iTitleVertMargin + $this->week->iFrameWeight; |
---|
894 | |
---|
895 | $week = $this->iStartDate; |
---|
896 | $weeknbr=$this->GetWeekNbr($week); |
---|
897 | if( $this->week->iShowLabels ) { |
---|
898 | $img->SetColor($this->week->iBackgroundColor); |
---|
899 | $img->FilledRectangle($xt,$yt,$xb,$yb); |
---|
900 | $img->SetColor($this->week->grid->iColor); |
---|
901 | $x = $xt; |
---|
902 | if( $this->week->iStyle==WEEKSTYLE_WNBR ) { |
---|
903 | $img->SetTextAlign("center"); |
---|
904 | $txtOffset = $weekwidth/2+1; |
---|
905 | } |
---|
906 | elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY || $this->week->iStyle==WEEKSTYLE_FIRSTDAY2 ) { |
---|
907 | $img->SetTextAlign("left"); |
---|
908 | $txtOffset = 2; |
---|
909 | } |
---|
910 | else |
---|
911 | JpGraphError::Raise("<b>JpGraph Error:</b>Unknown formatting style for week."); |
---|
912 | |
---|
913 | for($i=0; $i<$this->GetNumberOfDays()/7; ++$i, $x+=$weekwidth) { |
---|
914 | $img->PushColor($this->week->iTextColor); |
---|
915 | |
---|
916 | if( $this->week->iStyle==WEEKSTYLE_WNBR ) |
---|
917 | $txt = sprintf($this->week->iLabelFormStr,$weeknbr); |
---|
918 | elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY ) |
---|
919 | $txt = date("j/n",$week); |
---|
920 | elseif( $this->week->iStyle==WEEKSTYLE_FIRSTDAY2 ) { |
---|
921 | $monthnbr = date("n",$week)-1; |
---|
922 | $shortmonth = $this->iDateLocale->GetShortMonthName($monthnbr); |
---|
923 | $txt = Date("j",$week)." ".$shortmonth; |
---|
924 | } |
---|
925 | |
---|
926 | $img->StrokeText(round($x+$txtOffset),round($yb-$this->week->iTitleVertMargin),$txt); |
---|
927 | |
---|
928 | $week += 7*SECPERDAY; |
---|
929 | $weeknbr = $this->GetWeekNbr($week); |
---|
930 | $img->PopColor(); |
---|
931 | $img->Line($x,$yt,$x,$yb); |
---|
932 | $this->week->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin); |
---|
933 | } |
---|
934 | $img->SetColor($this->week->iFrameColor); |
---|
935 | $img->SetLineWeight($this->week->iFrameWeight); |
---|
936 | $img->Rectangle($xt,$yt,$xb,$yb); |
---|
937 | return $yb-$img->top_margin; |
---|
938 | } |
---|
939 | return $aYCoord; |
---|
940 | } |
---|
941 | |
---|
942 | // Format the mont scale header string |
---|
943 | function GetMonthLabel($aMonthNbr,$year) { |
---|
944 | $sn = $this->iDateLocale->GetShortMonthName($aMonthNbr); |
---|
945 | $ln = $this->iDateLocale->GetLongMonthName($aMonthNbr); |
---|
946 | switch($this->month->iStyle) { |
---|
947 | case MONTHSTYLE_SHORTNAME: |
---|
948 | $m=$sn; |
---|
949 | break; |
---|
950 | case MONTHSTYLE_LONGNAME: |
---|
951 | $m=$ln; |
---|
952 | break; |
---|
953 | case MONTHSTYLE_SHORTNAMEYEAR2: |
---|
954 | $m=$sn." '".substr("".$year,2); |
---|
955 | break; |
---|
956 | case MONTHSTYLE_SHORTNAMEYEAR4: |
---|
957 | $m=$sn." ".$year; |
---|
958 | break; |
---|
959 | case MONTHSTYLE_LONGNAMEYEAR2: |
---|
960 | $m=$ln." '".substr("".$year,2); |
---|
961 | break; |
---|
962 | case MONTHSTYLE_LONGNAMEYEAR4: |
---|
963 | $m=$ln." ".$year; |
---|
964 | break; |
---|
965 | } |
---|
966 | return $m; |
---|
967 | } |
---|
968 | |
---|
969 | // Stroke month scale and gridlines |
---|
970 | function StrokeMonths($aYCoord) { |
---|
971 | if( $this->month->iShowLabels ) { |
---|
972 | $monthnbr = $this->GetMonthNbr($this->iStartDate)-1; |
---|
973 | $img=$this->iImg; |
---|
974 | |
---|
975 | $xt=$img->left_margin+$this->iLabelWidth; |
---|
976 | $yt=$aYCoord+$img->top_margin; |
---|
977 | $img->SetFont($this->month->iFFamily,$this->month->iFStyle,$this->month->iFSize); |
---|
978 | $xb=$img->width-$img->right_margin; |
---|
979 | $yb=$yt + $img->GetFontHeight() + $this->month->iTitleVertMargin + $this->month->iFrameWeight; |
---|
980 | |
---|
981 | $img->SetColor($this->month->iBackgroundColor); |
---|
982 | $img->FilledRectangle($xt,$yt,$xb,$yb); |
---|
983 | |
---|
984 | $img->SetLineWeight($this->month->grid->iWeight); |
---|
985 | $img->SetColor($this->month->iTextColor); |
---|
986 | $year = 0+strftime("%Y",$this->iStartDate); |
---|
987 | $img->SetTextAlign("center"); |
---|
988 | $monthwidth=$this->GetDayWidth()*($this->GetNumDaysInMonth($monthnbr,$year)-$this->GetMonthDayNbr($this->iStartDate)+1); |
---|
989 | // Is it enough space to stroke the first month? |
---|
990 | $monthName = $this->GetMonthLabel($monthnbr,$year); |
---|
991 | if( $monthwidth >= 1.2*$img->GetTextWidth($monthName) ) { |
---|
992 | $img->SetColor($this->month->iTextColor); |
---|
993 | $img->StrokeText(round($xt+$monthwidth/2+1), |
---|
994 | round($yb-$this->month->iTitleVertMargin), |
---|
995 | $monthName); |
---|
996 | } |
---|
997 | $x = $xt + $monthwidth; |
---|
998 | while( $x < $xb ) { |
---|
999 | $img->SetColor($this->month->grid->iColor); |
---|
1000 | $img->Line($x,$yt,$x,$yb); |
---|
1001 | $this->month->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin); |
---|
1002 | $monthnbr++; |
---|
1003 | if( $monthnbr==12 ) { |
---|
1004 | $monthnbr=0; |
---|
1005 | $year++; |
---|
1006 | } |
---|
1007 | $monthName = $this->GetMonthLabel($monthnbr,$year); |
---|
1008 | $monthwidth=$this->GetDayWidth()*$this->GetNumDaysInMonth($monthnbr,$year); |
---|
1009 | if( $x + $monthwidth < $xb ) |
---|
1010 | $w = $monthwidth; |
---|
1011 | else |
---|
1012 | $w = $xb-$x; |
---|
1013 | if( $w >= 1.2*$img->GetTextWidth($monthName) ) { |
---|
1014 | $img->SetColor($this->month->iTextColor); |
---|
1015 | $img->StrokeText(round($x+$w/2+1), |
---|
1016 | round($yb-$this->month->iTitleVertMargin),$monthName); |
---|
1017 | } |
---|
1018 | $x += $monthwidth; |
---|
1019 | } |
---|
1020 | $img->SetColor($this->month->iFrameColor); |
---|
1021 | $img->SetLineWeight($this->month->iFrameWeight); |
---|
1022 | $img->Rectangle($xt,$yt,$xb,$yb); |
---|
1023 | return $yb-$img->top_margin; |
---|
1024 | } |
---|
1025 | return $aYCoord; |
---|
1026 | } |
---|
1027 | |
---|
1028 | // Stroke year scale and gridlines |
---|
1029 | function StrokeYears($aYCoord) { |
---|
1030 | if( $this->year->iShowLabels ) { |
---|
1031 | $year = $this->GetYear($this->iStartDate); |
---|
1032 | $img=$this->iImg; |
---|
1033 | |
---|
1034 | $xt=$img->left_margin+$this->iLabelWidth; |
---|
1035 | $yt=$aYCoord+$img->top_margin; |
---|
1036 | $img->SetFont($this->year->iFFamily,$this->year->iFStyle,$this->year->iFSize); |
---|
1037 | $xb=$img->width-$img->right_margin; |
---|
1038 | $yb=$yt + $img->GetFontHeight() + $this->year->iTitleVertMargin + $this->year->iFrameWeight; |
---|
1039 | |
---|
1040 | $img->SetColor($this->year->iBackgroundColor); |
---|
1041 | $img->FilledRectangle($xt,$yt,$xb,$yb); |
---|
1042 | $img->SetLineWeight($this->year->grid->iWeight); |
---|
1043 | $img->SetTextAlign("center"); |
---|
1044 | if( $year == $this->GetYear($this->iEndDate) ) |
---|
1045 | $yearwidth=$this->GetDayWidth()*($this->GetYearDayNbr($this->iEndDate)-$this->GetYearDayNbr($this->iStartDate)+1); |
---|
1046 | else |
---|
1047 | $yearwidth=$this->GetDayWidth()*($this->GetNumDaysInYear($year)-$this->GetYearDayNbr($this->iStartDate)+1); |
---|
1048 | |
---|
1049 | // The space for a year must be at least 20% bigger than the actual text |
---|
1050 | // so we allow 10% margin on each side |
---|
1051 | if( $yearwidth >= 1.20*$img->GetTextWidth("".$year) ) { |
---|
1052 | $img->SetColor($this->year->iTextColor); |
---|
1053 | $img->StrokeText(round($xt+$yearwidth/2+1), |
---|
1054 | round($yb-$this->year->iTitleVertMargin), |
---|
1055 | $year); |
---|
1056 | } |
---|
1057 | $x = $xt + $yearwidth; |
---|
1058 | while( $x < $xb ) { |
---|
1059 | $img->SetColor($this->year->grid->iColor); |
---|
1060 | $img->Line($x,$yt,$x,$yb); |
---|
1061 | $this->year->grid->Stroke($img,$x,$yb,$x,$img->height-$img->bottom_margin); |
---|
1062 | $year += 1; |
---|
1063 | $yearwidth=$this->GetDayWidth()*$this->GetNumDaysInYear($year); |
---|
1064 | if( $x + $yearwidth < $xb ) |
---|
1065 | $w = $yearwidth; |
---|
1066 | else |
---|
1067 | $w = $xb-$x; |
---|
1068 | if( $w >= 1.2*$img->GetTextWidth("".$year) ) { |
---|
1069 | $img->SetColor($this->year->iTextColor); |
---|
1070 | $img->StrokeText(round($x+$w/2+1), |
---|
1071 | round($yb-$this->year->iTitleVertMargin), |
---|
1072 | $year); |
---|
1073 | } |
---|
1074 | $x += $yearwidth; |
---|
1075 | } |
---|
1076 | $img->SetColor($this->year->iFrameColor); |
---|
1077 | $img->SetLineWeight($this->year->iFrameWeight); |
---|
1078 | $img->Rectangle($xt,$yt,$xb,$yb); |
---|
1079 | return $yb-$img->top_margin; |
---|
1080 | } |
---|
1081 | return $aYCoord; |
---|
1082 | } |
---|
1083 | |
---|
1084 | // Stroke table title (upper left corner) |
---|
1085 | function StrokeTableHeaders($aYBottom) { |
---|
1086 | $img=$this->iImg; |
---|
1087 | $xt=$img->left_margin; |
---|
1088 | $yt=$img->top_margin; |
---|
1089 | $xb=$xt+$this->iLabelWidth; |
---|
1090 | $yb=$aYBottom+$img->top_margin; |
---|
1091 | |
---|
1092 | $img->SetColor($this->iTableHeaderBackgroundColor); |
---|
1093 | $img->FilledRectangle($xt,$yt,$xb,$yb); |
---|
1094 | $this->tableTitle->Align("center","center"); |
---|
1095 | $this->tableTitle->Stroke($img,$xt+($xb-$xt)/2+1,$yt+($yb-$yt)/2); |
---|
1096 | $img->SetColor($this->iTableHeaderFrameColor); |
---|
1097 | $img->SetLineWeight($this->iTableHeaderFrameWeight); |
---|
1098 | $img->Rectangle($xt,$yt,$xb,$yb); |
---|
1099 | |
---|
1100 | // Draw the vertical dividing line |
---|
1101 | $this->divider->Stroke($img,$xb,$yt,$xb,$img->height-$img->bottom_margin); |
---|
1102 | |
---|
1103 | // Draw the horizontal dividing line |
---|
1104 | $this->dividerh->Stroke($img,$xt,$yb,$img->width-$img->right_margin,$yb); |
---|
1105 | } |
---|
1106 | |
---|
1107 | // Main entry point to stroke scale |
---|
1108 | function Stroke() { |
---|
1109 | if( !$this->IsRangeSet() ) |
---|
1110 | JpGraphError::Raise("<b>JpGraph Error:</b> Gantt scale has not been specified."); |
---|
1111 | $img=$this->iImg; |
---|
1112 | |
---|
1113 | // Stroke all headers. Aa argument we supply the offset from the |
---|
1114 | // top which depends on any previous headers |
---|
1115 | $offy=$this->StrokeYears(0); |
---|
1116 | $offm=$this->StrokeMonths($offy); |
---|
1117 | $offw=$this->StrokeWeeks($offm); |
---|
1118 | $offd=$this->StrokeDays($offw); |
---|
1119 | |
---|
1120 | // We stroke again in case days also have gridlines that may have |
---|
1121 | // overwritten the weeks gridline (or month/year). It may seem that we should have logic |
---|
1122 | // in the days routine instead but this is much easier and wont make to much |
---|
1123 | // of an performance impact. |
---|
1124 | $this->StrokeWeeks($offm); |
---|
1125 | $this->StrokeMonths($offy); |
---|
1126 | $this->StrokeYears(0); |
---|
1127 | $this->StrokeTableHeaders($offd); |
---|
1128 | |
---|
1129 | // Now we can calculate the correct scaling factor for each vertical position |
---|
1130 | $this->iAvailableHeight = $img->height - $img->top_margin - $img->bottom_margin - $offd; |
---|
1131 | $this->iVertHeaderSize = $offd; |
---|
1132 | if( $this->iVertSpacing == -1 ) |
---|
1133 | $this->iVertSpacing = $this->iAvailableHeight / $this->iVertLines; |
---|
1134 | } |
---|
1135 | } |
---|
1136 | |
---|
1137 | //=================================================== |
---|
1138 | // CLASS GanttPlotObject |
---|
1139 | // The common signature for a Gantt object |
---|
1140 | //=================================================== |
---|
1141 | class GanttPlotObject { |
---|
1142 | var $iVPos=0; // Vertical position |
---|
1143 | var $iLabelLeftMargin=2; // Title margin |
---|
1144 | var $iStart=""; // Start date |
---|
1145 | var $title,$caption; |
---|
1146 | var $iCaptionMargin=5; |
---|
1147 | |
---|
1148 | function GanttPlotObject() { |
---|
1149 | $this->title = new TextProperty(); |
---|
1150 | $this->title->Align("left","center"); |
---|
1151 | $this->caption = new TextProperty(); |
---|
1152 | } |
---|
1153 | |
---|
1154 | function GetMinDate() { |
---|
1155 | return $this->iStart; |
---|
1156 | } |
---|
1157 | |
---|
1158 | function GetMaxDate() { |
---|
1159 | return $this->iStart; |
---|
1160 | } |
---|
1161 | |
---|
1162 | function SetCaptionMargin($aMarg) { |
---|
1163 | $this->iCaptionMargin=$aMarg; |
---|
1164 | } |
---|
1165 | |
---|
1166 | # function GetLineNbr() { |
---|
1167 | # return 0; |
---|
1168 | # } |
---|
1169 | |
---|
1170 | function GetAbsHeight($aImg) { |
---|
1171 | return 0; |
---|
1172 | } |
---|
1173 | |
---|
1174 | function GetLineNbr() { |
---|
1175 | return $this->iVPos; |
---|
1176 | } |
---|
1177 | |
---|
1178 | function SetLabelLeftMargin($aOff) { |
---|
1179 | $this->iLabelLeftMargin=$aOff; |
---|
1180 | } |
---|
1181 | } |
---|
1182 | |
---|
1183 | //=================================================== |
---|
1184 | // CLASS Progress |
---|
1185 | // Holds parameters for the progress indicator |
---|
1186 | // displyed within a bar |
---|
1187 | //=================================================== |
---|
1188 | class Progress { |
---|
1189 | var $iProgress=-1, $iColor="black", $iPattern=GANTT_SOLID; |
---|
1190 | var $iDensity=98, $iHeight=0.65; |
---|
1191 | |
---|
1192 | function Set($aProg) { |
---|
1193 | if( $aProg < 0.0 || $aProg > 1.0 ) |
---|
1194 | JpGraphError::Raise("<b>JpGraph Error:</b> Progress value must in range [0, 1]"); |
---|
1195 | $this->iProgress = $aProg; |
---|
1196 | } |
---|
1197 | |
---|
1198 | function SetPattern($aPattern,$aColor="blue",$aDensity=98) { |
---|
1199 | $this->iPattern = $aPattern; |
---|
1200 | $this->iColor = $aColor; |
---|
1201 | $this->iDensity = $aDensity; |
---|
1202 | } |
---|
1203 | |
---|
1204 | function SetHeight($aHeight) { |
---|
1205 | $this->iHeight = $aHeight; |
---|
1206 | } |
---|
1207 | } |
---|
1208 | |
---|
1209 | //=================================================== |
---|
1210 | // CLASS GanttBar |
---|
1211 | // Responsible for formatting individual gantt bars |
---|
1212 | //=================================================== |
---|
1213 | class GanttBar extends GanttPlotObject { |
---|
1214 | var $iEnd; |
---|
1215 | var $iHeightFactor=0.5; |
---|
1216 | var $iFillColor="white",$iFrameColor="blue"; |
---|
1217 | var $iShadow=false,$iShadowColor="darkgray",$iShadowWidth=1,$iShadowFrame="black"; |
---|
1218 | var $iPattern=GANTT_RDIAG,$iPatternColor="blue",$iPatternDensity=95; |
---|
1219 | var $leftMark,$rightMark; |
---|
1220 | var $progress; |
---|
1221 | |
---|
1222 | //--------------- |
---|
1223 | // CONSTRUCTOR |
---|
1224 | function GanttBar($aPos,$aLabel,$aStart,$aEnd,$aCaption="",$aHeightFactor=0.6) { |
---|
1225 | parent::GanttPlotObject(); |
---|
1226 | $this->iStart = $aStart; |
---|
1227 | // Is the end date given as a date or as number of days added to start date? |
---|
1228 | if( is_string($aEnd) ) |
---|
1229 | $this->iEnd = strtotime($aEnd)+SECPERDAY; |
---|
1230 | // check for unix timestamp |
---|
1231 | elseif($aEnd > 1000000) |
---|
1232 | $this->iEnd = $aEnd; |
---|
1233 | elseif(is_int($aEnd) || is_float($aEnd) ) |
---|
1234 | $this->iEnd = strtotime($aStart)+round($aEnd*SECPERDAY); |
---|
1235 | $this->iVPos = $aPos; |
---|
1236 | $this->iHeightFactor = $aHeightFactor; |
---|
1237 | $this->title->Set($aLabel); |
---|
1238 | $this->caption = new TextProperty($aCaption); |
---|
1239 | $this->caption->Align("left","center"); |
---|
1240 | $this->leftMark =new PlotMark(); |
---|
1241 | $this->leftMark->Hide(); |
---|
1242 | $this->rightMark=new PlotMark(); |
---|
1243 | $this->rightMark->Hide(); |
---|
1244 | $this->progress = new Progress(); |
---|
1245 | } |
---|
1246 | |
---|
1247 | //--------------- |
---|
1248 | // PUBLIC METHODS |
---|
1249 | function SetShadow($aShadow=true,$aColor="gray") { |
---|
1250 | $this->iShadow=$aShadow; |
---|
1251 | $this->iShadowColor=$aColor; |
---|
1252 | } |
---|
1253 | |
---|
1254 | function GetMaxDate() { |
---|
1255 | return $this->iEnd; |
---|
1256 | } |
---|
1257 | |
---|
1258 | function SetHeight($aHeight) { |
---|
1259 | $this->iHeightFactor = $aHeight; |
---|
1260 | } |
---|
1261 | |
---|
1262 | function SetColor($aColor) { |
---|
1263 | $this->iFrameColor = $aColor; |
---|
1264 | } |
---|
1265 | |
---|
1266 | function SetFillColor($aColor) { |
---|
1267 | $this->iFillColor = $aColor; |
---|
1268 | } |
---|
1269 | |
---|
1270 | function GetAbsHeight($aImg) { |
---|
1271 | if( is_int($this->iHeightFactor) || $this->leftMark->show || $this->rightMark->show ) { |
---|
1272 | $m=-1; |
---|
1273 | if( is_int($this->iHeightFactor) ) |
---|
1274 | $m = $this->iHeightFactor; |
---|
1275 | if( $this->leftMark->show ) |
---|
1276 | $m = max($m,$this->leftMark->width*2); |
---|
1277 | if( $this->rightMark->show ) |
---|
1278 | $m = max($m,$this->rightMark->width*2); |
---|
1279 | return $m; |
---|
1280 | } |
---|
1281 | else |
---|
1282 | return -1; |
---|
1283 | } |
---|
1284 | |
---|
1285 | function SetPattern($aPattern,$aColor="blue",$aDensity=95) { |
---|
1286 | $this->iPattern = $aPattern; |
---|
1287 | $this->iPatternColor = $aColor; |
---|
1288 | $this->iPatternDensity = $aDensity; |
---|
1289 | } |
---|
1290 | |
---|
1291 | function Stroke($aImg,$aScale) { |
---|
1292 | $factory = new RectPatternFactory(); |
---|
1293 | $prect = $factory->Create($this->iPattern,$this->iPatternColor); |
---|
1294 | $prect->SetDensity($this->iPatternDensity); |
---|
1295 | |
---|
1296 | // If height factor is specified as a float between 0,1 then we take it as meaning |
---|
1297 | // percetage of the scale width between horizontal line. |
---|
1298 | // If it is an integer > 1 we take it to mean the absolute height in pixels |
---|
1299 | if( $this->iHeightFactor > -0.0 && $this->iHeightFactor <= 1.1) |
---|
1300 | $vs = $aScale->GetVertSpacing()*$this->iHeightFactor; |
---|
1301 | elseif(is_int($this->iHeightFactor) && $this->iHeightFactor>2 && $this->iHeightFactor<200) |
---|
1302 | $vs = $this->iHeightFactor; |
---|
1303 | else |
---|
1304 | JpGraphError::Raise("<b>JpGraph Error:</b>Specified height (".$this->iHeightFactor.") for gantt bar is out of range."); |
---|
1305 | |
---|
1306 | $xt = $aScale->TranslateDate($aScale->NormalizeDate($this->iStart)); |
---|
1307 | $xb = $aScale->TranslateDate($aScale->NormalizeDate($this->iEnd)); |
---|
1308 | $yt = $aScale->TranslateVertPos($this->iVPos)-$vs-($aScale->GetVertSpacing()/2-$vs/2); |
---|
1309 | $yb = $aScale->TranslateVertPos($this->iVPos)-($aScale->GetVertSpacing()/2-$vs/2); |
---|
1310 | |
---|
1311 | $prect->ShowFrame(false); |
---|
1312 | $prect->SetBackground($this->iFillColor); |
---|
1313 | if( $this->iShadow ) { |
---|
1314 | $aImg->SetColor($this->iFrameColor); |
---|
1315 | $aImg->ShadowRectangle($xt,$yt,$xb,$yb,$this->iFillColor,$this->iShadowWidth,$this->iShadowColor); |
---|
1316 | $prect->SetPos(new Rectangle($xt+1,$yt+1,$xb-$xt-$this->iShadowWidth-2,$yb-$yt-$this->iShadowWidth-2)); |
---|
1317 | $prect->Stroke($aImg); |
---|
1318 | } |
---|
1319 | else { |
---|
1320 | $prect->SetPos(new Rectangle($xt,$yt,$xb-$xt+1,$yb-$yt+1)); |
---|
1321 | $prect->Stroke($aImg); |
---|
1322 | $aImg->SetColor($this->iFrameColor); |
---|
1323 | $aImg->Rectangle($xt,$yt,$xb,$yb); |
---|
1324 | } |
---|
1325 | if( $this->progress->iProgress > 0 ) { |
---|
1326 | $prog = $factory->Create($this->progress->iPattern,$this->progress->iColor); |
---|
1327 | $prog->SetDensity($this->progress->iDensity); |
---|
1328 | $barheight = ($yb-$yt+1); |
---|
1329 | if( $this->iShadow ) |
---|
1330 | $barheight -= $this->iShadowWidth; |
---|
1331 | $progressheight = floor($barheight*$this->progress->iHeight); |
---|
1332 | $marg = ceil(($barheight-$progressheight)/2); |
---|
1333 | $pos = new Rectangle($xt, |
---|
1334 | $yt + $marg, |
---|
1335 | ($xb-$xt+1)*$this->progress->iProgress, |
---|
1336 | $barheight-2*$marg); |
---|
1337 | $prog->SetPos($pos); |
---|
1338 | $prog->Stroke($aImg); |
---|
1339 | } |
---|
1340 | |
---|
1341 | $middle = round($yt+($yb-$yt)/2); |
---|
1342 | $this->title->Stroke($aImg,$aImg->left_margin+$this->iLabelLeftMargin,$middle); |
---|
1343 | $this->leftMark->Stroke($aImg,$xt,$middle); |
---|
1344 | $this->rightMark->Stroke($aImg,$xb,$middle); |
---|
1345 | $margin = $this->iCaptionMargin; |
---|
1346 | if( $this->rightMark->show ) |
---|
1347 | $margin += $this->rightMark->GetWidth(); |
---|
1348 | |
---|
1349 | $this->caption->Stroke($aImg,$xb+$margin,$middle); |
---|
1350 | } |
---|
1351 | } |
---|
1352 | |
---|
1353 | //=================================================== |
---|
1354 | // CLASS MileStone |
---|
1355 | // Responsible for formatting individual milestones |
---|
1356 | //=================================================== |
---|
1357 | class MileStone extends GanttPlotObject { |
---|
1358 | var $mark; |
---|
1359 | |
---|
1360 | //--------------- |
---|
1361 | // CONSTRUCTOR |
---|
1362 | function MileStone($aVPos,$aLabel,$aDate,$aCaption="") { |
---|
1363 | GanttPlotObject::GanttPlotObject(); |
---|
1364 | $this->caption->Set($aCaption); |
---|
1365 | $this->caption->Align("left","center"); |
---|
1366 | $this->caption->SetFont(FF_FONT1,FS_BOLD); |
---|
1367 | $this->title->Set($aLabel); |
---|
1368 | $this->title->SetColor("darkred"); |
---|
1369 | $this->mark = new PlotMark(); |
---|
1370 | $this->mark->SetWidth(10); |
---|
1371 | $this->mark->SetType(MARK_DIAMOND); |
---|
1372 | $this->mark->SetColor("darkred"); |
---|
1373 | $this->mark->SetFillColor("darkred"); |
---|
1374 | $this->iVPos = $aVPos; |
---|
1375 | $this->iStart = $aDate; |
---|
1376 | } |
---|
1377 | |
---|
1378 | //--------------- |
---|
1379 | // PUBLIC METHODS |
---|
1380 | |
---|
1381 | function GetAbsHeight($aImg) { |
---|
1382 | return max($this->title->GetHeight($aImg),$this->mark->GetWidth()); |
---|
1383 | } |
---|
1384 | |
---|
1385 | function Stroke($aImg,$aScale) { |
---|
1386 | // Put the mark in the middle at the middle of the day |
---|
1387 | $x = $aScale->TranslateDate($aScale->NormalizeDate($this->iStart)+SECPERDAY/2); |
---|
1388 | $y = $aScale->TranslateVertPos($this->iVPos)-($aScale->GetVertSpacing()/2); |
---|
1389 | |
---|
1390 | $this->mark->Stroke($aImg,$x,$y); |
---|
1391 | $this->caption->Stroke($aImg,$x+$this->mark->width/2+$this->iCaptionMargin,$y); |
---|
1392 | $x=$aImg->left_margin+$this->iLabelLeftMargin; |
---|
1393 | $this->title->Stroke($aImg,$x,$y); |
---|
1394 | } |
---|
1395 | } |
---|
1396 | |
---|
1397 | |
---|
1398 | //=================================================== |
---|
1399 | // CLASS GanttVLine |
---|
1400 | // Responsible for formatting individual milestones |
---|
1401 | //=================================================== |
---|
1402 | |
---|
1403 | class GanttVLine extends GanttPlotObject { |
---|
1404 | |
---|
1405 | var $iLine,$title_margin=3; |
---|
1406 | var $iDayOffset=0; // Defult to left edge of day |
---|
1407 | |
---|
1408 | //--------------- |
---|
1409 | // CONSTRUCTOR |
---|
1410 | function GanttVLine($aDate,$aTitle="",$aColor="black",$aWeight=3,$aStyle="dashed") { |
---|
1411 | GanttPlotObject::GanttPlotObject(); |
---|
1412 | $this->iLine = new LineProperty(); |
---|
1413 | $this->iLine->SetColor($aColor); |
---|
1414 | $this->iLine->SetWeight($aWeight); |
---|
1415 | $this->iLine->SetStyle($aStyle); |
---|
1416 | $this->iStart = $aDate; |
---|
1417 | $this->title->Set($aTitle); |
---|
1418 | } |
---|
1419 | |
---|
1420 | //--------------- |
---|
1421 | // PUBLIC METHODS |
---|
1422 | |
---|
1423 | function SetDayOffset($aOff=0.5) { |
---|
1424 | if( $aOff < 0.0 || $aOff > 1.0 ) |
---|
1425 | JpGraphError::Raise("<b>JpGraph Error:</b> Offset for vertical line must be in range [0,1]"); |
---|
1426 | $this->iDayOffset = $aOff; |
---|
1427 | } |
---|
1428 | |
---|
1429 | function SetTitleMargin($aMarg) { |
---|
1430 | $this->title_margin = $aMarg; |
---|
1431 | } |
---|
1432 | |
---|
1433 | function Stroke($aImg,$aScale) { |
---|
1434 | $x = $aScale->TranslateDate($aScale->NormalizeDate($this->iStart)+$this->iDayOffset*SECPERDAY); |
---|
1435 | $y1 = $aScale->iVertHeaderSize+$aImg->top_margin; |
---|
1436 | $y2 = $aImg->height - $aImg->bottom_margin; |
---|
1437 | $this->iLine->Stroke($aImg,$x,$y1,$x,$y2); |
---|
1438 | $this->title->Align("center","top"); |
---|
1439 | $this->title->Stroke($aImg,$x,$y2+$this->title_margin); |
---|
1440 | } |
---|
1441 | } |
---|
1442 | |
---|
1443 | // <EOF> |
---|
1444 | ?> |
---|