1 | |
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2 | # ---------------------------------------------------------------------- |
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3 | # COMPONENT: xylegend - X/Y plot legend. |
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4 | # |
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5 | # This widget is a legend for an X/Y plot, meant to view line graphs produced |
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6 | # as output from the run of a Rappture tool. Use the "add" and |
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7 | # "delete" methods to control the curves showing on the plot. |
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8 | # ====================================================================== |
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9 | # AUTHOR: Michael McLennan, Purdue University |
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10 | # Copyright (c) 2004-2005 Purdue Research Foundation |
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11 | # |
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12 | # See the file "license.terms" for information on usage and |
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13 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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14 | # ====================================================================== |
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15 | package require Itk |
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16 | package require BLT |
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17 | |
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18 | option add *Xylegend.font \ |
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19 | -*-helvetica-medium-r-normal-*-8-* widgetDefault |
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20 | |
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21 | option add *Xylegend.Button.font \ |
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22 | -*-helvetica-medium-r-normal-*-9-* widgetDefault |
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23 | |
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24 | itcl::class ::Rappture::XyLegend { |
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25 | inherit itk::Widget |
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26 | |
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27 | private variable _dispatcher "" ;# dispatcher for !events |
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28 | private variable graph_ "" |
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29 | private variable tree_ "" |
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30 | private variable diff_ "" |
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31 | private variable focus_ -1 |
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32 | private variable diffelements_ |
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33 | |
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34 | constructor {args} { graph } |
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35 | destructor {} |
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36 | |
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37 | public method Activate {} |
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38 | public method Average {} |
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39 | public method Check {} |
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40 | public method Deactivate {} |
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41 | public method Delete { args } |
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42 | public method Difference {} |
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43 | public method Editor { option args } |
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44 | public method Hide { args } |
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45 | public method Lower { args } |
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46 | public method Raise { args } |
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47 | public method Rename {} |
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48 | public method Show { args } |
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49 | public method Toggle { args } |
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50 | private method GetData { elem what } |
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51 | private method Add { elem label {flags ""}} |
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52 | private method SelectAll {} |
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53 | } |
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54 | |
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55 | itk::usual XyLegend { |
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56 | keep -background -foreground -cursor |
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57 | } |
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58 | |
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59 | itk::usual TreeView { |
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60 | keep -background -foreground -cursor |
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61 | } |
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62 | |
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63 | blt::bitmap define dot1 { |
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64 | #define dot1_width 8 |
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65 | #define dot1_height 8 |
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66 | static unsigned char dot1_bits[] = { |
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67 | 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa}; |
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68 | } |
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69 | |
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70 | # ---------------------------------------------------------------------- |
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71 | # CONSTRUCTOR |
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72 | # ---------------------------------------------------------------------- |
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73 | itcl::body Rappture::XyLegend::constructor { graph args } { |
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74 | option add hull.width hull.height |
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75 | itk_component add scrollbars { |
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76 | Rappture::Scroller $itk_interior.scrl \ |
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77 | -xscrollmode auto -yscrollmode auto |
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78 | } |
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79 | set tree_ [blt::tree create] |
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80 | itk_component add legend { |
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81 | blt::treeview $itk_component(scrollbars).legend -linewidth 0 \ |
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82 | -bg white -selectmode multiple -width 0 \ |
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83 | -highlightthickness 0 \ |
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84 | -tree $tree_ \ |
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85 | -font "Arial 9" \ |
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86 | -flat yes -separator / |
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87 | } |
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88 | $itk_component(scrollbars) contents $itk_component(legend) |
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89 | $itk_component(legend) column insert 0 "show" \ |
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90 | -text "" -weight 0.0 -pad 0 -borderwidth 0 |
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91 | $itk_component(legend) style checkbox "check" -showvalue no \ |
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92 | -onvalue 0 -offvalue 1 \ |
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93 | -boxcolor grey50 -checkcolor black -activebackground grey90 |
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94 | $itk_component(legend) column configure "treeView" -justify left \ |
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95 | -weight 1.0 -text "" -pad 0 -borderwidth 0 |
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96 | $itk_component(legend) column configure "show" -style "check" -pad {0 0} \ |
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97 | -edit yes |
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98 | itk_component add controls { |
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99 | frame $itk_component(hull).controls -width 100 -relief sunken -bd 2 |
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100 | } |
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101 | set controls $itk_component(controls) |
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102 | grid $itk_component(controls) -column 0 -row 1 -sticky nsew |
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103 | grid rowconfigure $itk_component(hull) 1 -weight 0 |
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104 | grid rowconfigure $itk_component(hull) 0 -weight 1 |
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105 | grid $itk_component(scrollbars) -column 0 -row 0 -sticky nsew |
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106 | set commands { |
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107 | hide "" |
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108 | show "" |
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109 | toggle "" |
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110 | raise findup |
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111 | lower finddn |
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112 | average "" |
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113 | difference "" |
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114 | delete "" |
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115 | rename "" |
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116 | } |
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117 | foreach { but icon} $commands { |
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118 | set title [string totitle $but] |
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119 | button $controls.$but -text $title \ |
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120 | -relief flat -pady 0 -padx 0 -font "Arial 9" \ |
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121 | -command [itcl::code $this $title] -overrelief flat \ |
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122 | -activebackground grey90 |
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123 | } |
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124 | grid $controls.hide -column 0 -row 0 -sticky w |
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125 | grid $controls.show -column 0 -row 1 -sticky w |
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126 | grid $controls.toggle -column 0 -row 2 -sticky w |
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127 | grid $controls.raise -column 0 -row 3 -sticky w |
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128 | grid $controls.lower -column 0 -row 4 -sticky w |
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129 | grid $controls.difference -column 1 -row 0 -sticky w |
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130 | grid $controls.average -column 1 -row 1 -sticky w |
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131 | grid $controls.rename -column 1 -row 2 -sticky w |
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132 | grid $controls.delete -column 1 -row 3 -sticky w |
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133 | |
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134 | grid columnconfigure $controls 0 -weight 1 |
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135 | grid columnconfigure $controls 1 -weight 1 |
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136 | |
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137 | set graph_ $graph |
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138 | set cmd [itcl::code $this Toggle current] |
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139 | $itk_component(legend) bind CheckBoxStyle <ButtonRelease-1> \ |
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140 | [itcl::code [subst -nocommands { |
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141 | if { [%W edit -root -test %X %Y] } { |
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142 | %W edit -root %X %Y |
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143 | $this Toggle [%W nearest -root %X %Y] |
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144 | break |
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145 | } |
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146 | }]] |
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147 | bind $itk_component(legend) <Enter> { focus %W } |
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148 | $itk_component(legend) bind Entry <Control-KeyRelease-a> \ |
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149 | [itcl::code $this SelectAll] |
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150 | $itk_component(legend) bind Entry <KeyRelease-Return> \ |
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151 | +[itcl::code $this Toggle focus] |
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152 | $itk_component(legend) bind Entry <Escape> \ |
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153 | "$itk_component(legend) selection clearall" |
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154 | $itk_component(legend) configure -selectcommand \ |
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155 | [itcl::code $this Check] |
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156 | |
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157 | itk_component add editor { |
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158 | Rappture::Editor $itk_interior.editor \ |
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159 | -activatecommand [itcl::code $this Editor activate] \ |
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160 | -validatecommand [itcl::code $this Editor validate] \ |
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161 | -applycommand [itcl::code $this Editor apply] |
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162 | } |
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163 | Check |
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164 | eval itk_initialize $args |
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165 | } |
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166 | |
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167 | # ---------------------------------------------------------------------- |
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168 | # DESTRUCTOR |
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169 | # ---------------------------------------------------------------------- |
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170 | itcl::body Rappture::XyLegend::destructor {} { |
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171 | Deactivate |
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172 | } |
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173 | |
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174 | itcl::body Rappture::XyLegend::Add { elem label {flags ""} } { |
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175 | set hide [$graph_ element cget $elem -hide] |
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176 | set im [image create photo] |
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177 | $graph_ legend icon $elem $im |
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178 | set data(show) $hide |
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179 | set data(delete) [expr { $flags == "-delete" }] |
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180 | set node [$tree_ insert root -at 0 -label $elem -data [array get data]] |
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181 | $itk_component(legend) entry configure $node -label $label -icon $im \ |
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182 | -activeicon $im |
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183 | return $node |
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184 | } |
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185 | |
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186 | # ---------------------------------------------------------------------- |
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187 | # USAGE: activate <curve> ?<settings>? |
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188 | # |
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189 | # Clients use this to add a curve to the plot. The optional <settings> |
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190 | # are used to configure the plot. Allowed settings are -color, |
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191 | # -brightness, -width, -linestyle and -raise. |
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192 | # ---------------------------------------------------------------------- |
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193 | itcl::body Rappture::XyLegend::Activate {} { |
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194 | foreach elem [$graph_ element show] { |
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195 | set label [$graph_ element cget $elem -label] |
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196 | if { $label == "" } { |
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197 | continue |
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198 | } |
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199 | Add $elem $label |
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200 | } |
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201 | $itk_component(legend) open -recurse root |
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202 | } |
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203 | |
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204 | itcl::body Rappture::XyLegend::Deactivate {} { |
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205 | foreach node [$tree_ children root] { |
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206 | $tree_ delete $node |
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207 | } |
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208 | } |
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209 | |
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210 | itcl::body Rappture::XyLegend::Hide { args } { |
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211 | if { $args == "" } { |
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212 | set nodes [$itk_component(legend) curselection] |
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213 | } else { |
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214 | set nodes $args |
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215 | } |
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216 | foreach node $nodes { |
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217 | set elem [$tree_ label $node] |
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218 | if { ![$graph_ element exists $elem] } { |
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219 | continue |
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220 | } |
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221 | $graph_ element configure $elem -hide yes |
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222 | $tree_ set $node "show" 1 |
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223 | } |
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224 | } |
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225 | |
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226 | itcl::body Rappture::XyLegend::Show { args } { |
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227 | if { $args == "" } { |
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228 | set nodes [$itk_component(legend) curselection] |
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229 | } else { |
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230 | set nodes $args |
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231 | } |
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232 | foreach node $nodes { |
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233 | set elem [$tree_ label $node] |
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234 | if { ![$graph_ element exists $elem] } { |
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235 | continue |
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236 | } |
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237 | $graph_ element configure $elem -hide no |
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238 | $tree_ set $node "show" 0 |
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239 | } |
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240 | } |
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241 | |
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242 | itcl::body Rappture::XyLegend::Toggle { args } { |
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243 | if { $args == "" } { |
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244 | set nodes [$itk_component(legend) curselection] |
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245 | } else { |
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246 | set nodes $args |
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247 | } |
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248 | foreach node $nodes { |
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249 | set node [$itk_component(legend) index $node] |
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250 | set elem [$tree_ label $node] |
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251 | if { ![$graph_ element exists $elem] } { |
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252 | continue |
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253 | } |
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254 | set hide [$graph_ element cget $elem -hide] |
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255 | set hide [expr $hide==0] |
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256 | $tree_ set $node "show" $hide |
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257 | $graph_ element configure $elem -hide $hide |
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258 | } |
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259 | } |
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260 | |
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261 | itcl::body Rappture::XyLegend::Raise { args } { |
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262 | if { $args == "" } { |
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263 | set nodes [$itk_component(legend) curselection] |
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264 | } else { |
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265 | set nodes $args |
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266 | } |
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267 | set elements {} |
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268 | foreach node $nodes { |
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269 | set elem [$tree_ label $node] |
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270 | set found($elem) 1 |
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271 | set elements [linsert $elements 0 $elem] |
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272 | } |
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273 | foreach elem $elements { |
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274 | $tree_ move [$tree_ index $elem] 0 -at 0 |
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275 | } |
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276 | set list {} |
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277 | foreach elem [$graph_ element show] { |
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278 | if { [info exists found($elem)] } { |
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279 | continue |
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280 | } |
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281 | lappend list $elem |
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282 | } |
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283 | $graph_ element show [concat $list $elements] |
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284 | } |
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285 | |
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286 | itcl::body Rappture::XyLegend::Lower { args } { |
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287 | if { $args == "" } { |
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288 | set nodes [$itk_component(legend) curselection] |
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289 | } else { |
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290 | set nodes $args |
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291 | } |
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292 | set elements {} |
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293 | foreach node $nodes { |
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294 | set elem [$tree_ label $node] |
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295 | set found($elem) 1 |
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296 | set elements [linsert $elements 0 $elem] |
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297 | } |
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298 | set pos [$tree_ degree 0] |
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299 | |
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300 | foreach elem $elements { |
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301 | incr pos -1 |
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302 | $tree_ move [$tree_ index $elem] 0 -at $pos |
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303 | } |
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304 | |
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305 | set list {} |
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306 | foreach elem [$graph_ element show] { |
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307 | if { [info exists found($elem)] } { |
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308 | continue |
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309 | } |
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310 | lappend list $elem |
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311 | } |
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312 | $graph_ element show [concat $elements $list] |
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313 | } |
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314 | |
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315 | itcl::body Rappture::XyLegend::Delete { args } { |
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316 | if { $args == "" } { |
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317 | set nodes [$itk_component(legend) curselection] |
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318 | } else { |
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319 | set nodes $args |
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320 | } |
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321 | set elements {} |
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322 | set delnodes {} |
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323 | foreach node $nodes { |
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324 | if { ![$tree_ get $node "delete" 0] } { |
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325 | continue |
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326 | } |
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327 | set elem [$tree_ label $node] |
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328 | lappend elements $elem |
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329 | lappend delnodes $node |
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330 | if { $diff_ != "" && [info exists diffelements_($elem)] } { |
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331 | $graph_ element delete $diff_ |
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332 | array unset diffelements_ |
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333 | set diff_ "" |
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334 | } |
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335 | } |
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336 | if { [llength $delnodes] > 0 } { |
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337 | eval $tree_ delete $delnodes |
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338 | } |
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339 | $itk_component(legend) selection clearall |
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340 | eval $graph_ element delete $elements |
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341 | } |
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342 | |
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343 | itcl::body Rappture::XyLegend::Check {} { |
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344 | set nodes [$itk_component(legend) curselection] |
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345 | foreach n { hide show toggle raise lower |
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346 | rename average difference delete } { |
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347 | $itk_component(controls).$n configure -state disabled |
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348 | } |
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349 | foreach node $nodes { |
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350 | if { [$tree_ get $node "delete" 0] } { |
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351 | $itk_component(controls).delete configure -state normal |
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352 | break |
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353 | } |
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354 | } |
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355 | if { [$itk_component(legend) index focus] != -1 } { |
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356 | $itk_component(controls).rename configure -state normal |
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357 | } |
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358 | if { [$tree_ degree 0] > 1 && [llength $nodes] > 0 } { |
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359 | foreach n { raise lower } { |
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360 | $itk_component(controls).$n configure -state normal |
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361 | } |
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362 | } |
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363 | switch -- [llength $nodes] { |
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364 | 0 { |
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365 | } |
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366 | 1 { |
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367 | foreach n { hide show toggle } { |
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368 | $itk_component(controls).$n configure -state normal |
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369 | } |
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370 | } |
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371 | 2 { |
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372 | foreach n { hide show toggle difference } { |
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373 | $itk_component(controls).$n configure -state normal |
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374 | } |
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375 | } |
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376 | default { |
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377 | foreach n { hide show toggle } { |
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378 | $itk_component(controls).$n configure -state normal |
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379 | } |
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380 | } |
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381 | } |
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382 | } |
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383 | |
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384 | itcl::body Rappture::XyLegend::GetData { elem what } { |
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385 | set y [$graph_ element cget $elem $what] |
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386 | if { [blt::vector names $y] == $y } { |
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387 | set y [$y range 0 end] |
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388 | } |
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389 | return $y |
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390 | } |
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391 | |
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392 | itcl::body Rappture::XyLegend::Average {} { |
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393 | set nodes [$itk_component(legend) curselection] |
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394 | if { $nodes == "" } { |
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395 | return |
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396 | } |
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397 | set elements {} |
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398 | set sum [blt::vector create \#auto -command ""] |
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399 | |
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400 | set xcoords [blt::vector create \#auto -command ""] |
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401 | set ycoords [blt::vector create \#auto -command ""] |
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402 | |
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403 | # Step 1. Get the x-values for each curve, then sort them to get the |
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404 | # unique values. |
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405 | |
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406 | foreach node $nodes { |
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407 | set elem [$tree_ label $node] |
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408 | $xcoords append [GetData $elem -x] |
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409 | set elements [linsert $elements 0 $elem] |
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410 | } |
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411 | # Sort the abscissas keeping unique values. |
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412 | $xcoords sort -uniq |
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413 | |
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414 | # Step 2. Now for each curve, generate a cubic spline of that curve |
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415 | # and interpolate to get the corresponding y-values for each |
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416 | # abscissa. Normally the abscissa are the same, so we're |
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417 | # interpolation the knots. |
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418 | |
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419 | set x [blt::vector create \#auto -command ""] |
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420 | set y [blt::vector create \#auto -command ""] |
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421 | $sum length [$xcoords length] |
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422 | |
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423 | foreach node $nodes { |
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424 | set elem [$tree_ label $node] |
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425 | $x set [GetData $elem -x] |
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426 | $y set [GetData $elem -y] |
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427 | blt::spline natural $x $y $xcoords $ycoords |
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428 | |
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429 | # Sum the interpolated y-coordinate values. |
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430 | $sum expr "$sum + $ycoords" |
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431 | } |
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432 | blt::vector destroy $x $y |
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433 | |
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434 | # Get the average |
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435 | $sum expr "$sum / [llength $elements]" |
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436 | |
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437 | # Step 3. Create a new curve which is the average. Append it to the |
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438 | # the end. |
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439 | |
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440 | set count 0 |
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441 | while {[$graph_ element exists avg$count] } { |
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442 | incr count |
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443 | } |
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444 | set elements [lsort -dictionary $elements] |
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445 | set name "avg$count" |
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446 | set label "Avg. [join $elements ,]" |
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447 | |
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448 | # Don't use the vector because we don't know when it will be cleaned up. |
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449 | |
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450 | $graph_ element create $name -label $label -x [$xcoords range 0 end]\ |
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451 | -y [$sum range 0 end] -symbol scross |
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452 | blt::vector destroy $xcoords $ycoords $sum |
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453 | set node [Add $name $label -delete] |
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454 | Raise $node |
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455 | } |
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456 | |
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457 | itcl::body Rappture::XyLegend::Difference {} { |
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458 | set nodes [$itk_component(legend) curselection] |
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459 | set elements {} |
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460 | set sum [blt::vector create \#auto -command ""] |
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461 | |
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462 | set xcoords [blt::vector create \#auto -command ""] |
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463 | set ycoords [blt::vector create \#auto -command ""] |
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464 | |
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465 | # Step 1. Get the x-values for each curve, then sort them to get the |
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466 | # unique values. |
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467 | |
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468 | foreach node $nodes { |
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469 | set elem [$tree_ label $node] |
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470 | $xcoords append [GetData $elem -x] |
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471 | set elements [linsert $elements 0 $elem] |
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472 | } |
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473 | # Sort the abscissas keeping unique values. |
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474 | $xcoords sort -uniq |
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475 | |
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476 | # Step 2. Now for each curve, generate a cubic spline of that curve |
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477 | # and interpolate to get the corresponding y-values for each |
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478 | # abscissa. Normally the abscissa are the same, so we're |
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479 | # interpolation the knots. |
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480 | |
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481 | set x [blt::vector create \#auto -command ""] |
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482 | set y [blt::vector create \#auto -command ""] |
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483 | $sum length [$xcoords length] |
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484 | |
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485 | foreach node $nodes { |
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486 | set elem [$tree_ label $node] |
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487 | $x set [GetData $elem -x] |
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488 | $y set [GetData $elem -y] |
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489 | blt::spline natural $x $y $xcoords $ycoords |
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490 | |
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491 | # Sum the interpolated y-coordinate values. |
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492 | $sum expr "fabs($ycoords - $sum)" |
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493 | } |
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494 | blt::vector destroy $x $y |
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495 | |
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496 | # Get the average |
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497 | #$sum expr "$sum / [llength $elements]" |
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498 | |
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499 | # Step 3. Create a new curve which is the average. Append it to the |
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500 | # the end. |
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501 | |
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502 | set count 0 |
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503 | while {[$graph_ element exists diff$count] } { |
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504 | incr count |
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505 | } |
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506 | set elements [lsort -dictionary $elements] |
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507 | set name "diff$count" |
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508 | set label "Diff. [join $elements ,]" |
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509 | |
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510 | # Don't use the vector because we don't know when it will be cleaned up. |
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511 | |
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512 | $graph_ element create $name -label $label -x [$xcoords range 0 end] \ |
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513 | -y [$sum range 0 end] |
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514 | blt::vector destroy $xcoords $ycoords $sum |
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515 | set node [Add $name $label] |
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516 | Raise $node |
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517 | } |
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518 | |
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519 | itcl::body Rappture::XyLegend::Difference {} { |
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520 | |
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521 | if { $diff_ != "" } { |
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522 | $graph_ marker delete $diff_ |
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523 | set diff_ "" |
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524 | } |
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525 | set nodes [$itk_component(legend) curselection] |
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526 | set elem1 [$tree_ label [lindex $nodes 0]] |
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527 | set elem2 [$tree_ label [lindex $nodes 1]] |
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528 | if { [info exists diffelements_($elem1)] && |
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529 | [info exists diffelements_($elem2)] } { |
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530 | array unset diffelements_ |
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531 | return |
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532 | } |
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533 | array unset diffelements_ |
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534 | set x [blt::vector create \#auto -command ""] |
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535 | set y [blt::vector create \#auto -command ""] |
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536 | set m [blt::vector create \#auto -command ""] |
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537 | |
---|
538 | $x append [GetData $elem1 -x] |
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539 | $y append [GetData $elem1 -y] |
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540 | $x sort -reverse $y |
---|
541 | $x append [GetData $elem2 -x] |
---|
542 | $y append [GetData $elem2 -y] |
---|
543 | $m merge $x $y |
---|
544 | set diff_ [$graph_ marker create polygon \ |
---|
545 | -coords [$m range 0 end] \ |
---|
546 | -elem $elem1 \ |
---|
547 | -stipple dot1 \ |
---|
548 | -outline "" -fill blue4 ] |
---|
549 | blt::vector destroy $m $x $y |
---|
550 | set diffelements_($elem1) 1 |
---|
551 | set diffelements_($elem2) 1 |
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552 | } |
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553 | |
---|
554 | |
---|
555 | itcl::body Rappture::XyLegend::SelectAll { } { |
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556 | foreach node [$tree_ children 0] { |
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557 | $itk_component(legend) selection set $node |
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558 | } |
---|
559 | } |
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560 | |
---|
561 | itcl::body Rappture::XyLegend::Rename {} { |
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562 | Editor popup |
---|
563 | } |
---|
564 | |
---|
565 | # ---------------------------------------------------------------------- |
---|
566 | # USAGE: Editor popup |
---|
567 | # USAGE: Editor activate |
---|
568 | # USAGE: Editor validate <value> |
---|
569 | # USAGE: Editor apply <value> |
---|
570 | # USAGE: Editor menu <rootx> <rooty> |
---|
571 | # |
---|
572 | # Used internally to handle the various functions of the pop-up |
---|
573 | # editor for the value of this gauge. |
---|
574 | # ---------------------------------------------------------------------- |
---|
575 | itcl::body Rappture::XyLegend::Editor {option args} { |
---|
576 | switch -- $option { |
---|
577 | popup { |
---|
578 | $itk_component(editor) activate |
---|
579 | } |
---|
580 | activate { |
---|
581 | set focus_ [$itk_component(legend) index focus] |
---|
582 | if { $focus_ == -1 } { |
---|
583 | return; |
---|
584 | } |
---|
585 | set label [$itk_component(legend) entry cget $focus_ -label] |
---|
586 | foreach { l r t b } [$itk_component(legend) bbox $focus_] break |
---|
587 | set info(text) $label |
---|
588 | set info(x) [expr $l + [winfo rootx $itk_component(legend)]] |
---|
589 | set info(y) [expr $r + [winfo rooty $itk_component(legend)]] |
---|
590 | set info(w) [expr $r - $l] |
---|
591 | set info(h) [expr $b - $t] |
---|
592 | puts stderr "focus bbox=$info(x) $info(y) $info(w) $info(h)" |
---|
593 | return [array get info] |
---|
594 | } |
---|
595 | validate { |
---|
596 | if {[llength $args] != 1} { |
---|
597 | error "wrong # args: should be \"editor validate value\"" |
---|
598 | } |
---|
599 | } |
---|
600 | apply { |
---|
601 | if {[llength $args] != 1} { |
---|
602 | error "wrong # args: should be \"editor apply value\"" |
---|
603 | } |
---|
604 | set label [lindex $args 0] |
---|
605 | $itk_component(legend) entry configure $focus_ -label $label |
---|
606 | set elem [$tree_ label $focus_] |
---|
607 | $graph_ element configure $elem -label $label |
---|
608 | } |
---|
609 | menu { |
---|
610 | eval tk_popup $itk_component(emenu) $args |
---|
611 | } |
---|
612 | default { |
---|
613 | error "bad option \"$option\": should be popup, activate, validate, apply, and menu" |
---|
614 | } |
---|
615 | } |
---|
616 | } |
---|