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graphpie
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Text File
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1998-10-07
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8KB
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295 lines
#!/usr/bin/wish -f
# graphpie - Graph pie chart of expenses by category
#
# Written by Arlindo L. Oliveira (aml@inesc.pt)
#
# Copyright (C) 1996 Arlindo L. Oliveira (aml@inesc.pt)
#
# $Id: graphpie,v 2.4 1998/08/14 14:28:49 curt Exp $
# (Log is kept at end of this file)
proc skip {cnt} {
global use
set use($cnt) 0
}
if { [file exists "$env(HOME)/.cbbrc.tcl"] } {
source "$env(HOME)/.cbbrc.tcl"
}
set data(0,1) " "
set cnt 1
frame .check
set iter 1
set skipped 0
frame .check.list_$iter
button .check.ok -text Ok -command {destroy .check}
button .check.clear -text "Clear all" -command \
{for {set ii 1} {$ii < $cnt} {incr ii} {set use($ii) 0}}
button .check.set -text "Set all" -command \
{for {set ii 1} {$ii < $cnt} {incr ii} {set use($ii) 1}}
pack .check.ok -side top -fill x
pack .check.clear -side top -fill x
pack .check.set -side top -fill x
pack .check.list_$iter -side left -anchor n
while {[gets stdin line] >= 1} {
set data($cnt,0) [lindex $line 0]
set data($cnt,1) [lindex $line 1]
set use($cnt) 1
# This line here is different for the ones that take both pos and neg
if {$data($cnt,1) > 0 || \
[string range $data($cnt,0) 0 0] == "\["} { skip $cnt }
checkbutton .check.list_$iter.but_$cnt -variable use($cnt) \
-font $cbb(msg_text_font) \
-text $data($cnt,0)
pack .check.list_$iter.but_$cnt -anchor w
if {$cnt % 20 == 0} {
incr iter
frame .check.list_$iter
pack .check.list_$iter -side left -anchor n
}
incr cnt
}
pack .check
tkwait window .check
for {set i 1} {$i < $cnt} {incr i} {
if {$use($i) == 0} {
incr skipped
} else {
set data([expr $i-$skipped],0) $data($i,0)
set data([expr $i-$skipped],1) $data($i,1)
}
}
set cnt [expr $cnt-$skipped]
proc graphData {graph row col} {
global data
return $data($row,$col)
}
proc graphCols {canvas} {
return 1
}
proc graphRows {canvas} {
global cnt
return [expr $cnt-1]
}
#
# createPieChart
# rows : number of data rows 1 ... rows
# cols : number of data cols 1 ... cols
# data(0,i) contains data labels
# data(i,0) contains abcissa labels
#
#set barColors(0) "darkgreen"
set barColors(0) "chartreuse4"
set barColors(1) "gray40"
#set barColors(2) "tomato"
set barColors(2) "IndianRed3"
set barColors(3) "blue3"
set barColors(4) "red"
set barColors(5) "darkgreen"
set barColors(6) "tan2"
set barColors(7) "SkyBlue4"
set barColors(8) "gold4"
set barColors(9) "tomato"
proc graphColor {i} {
global barColors
return $barColors([expr $i % 10])
}
proc defGraphMargin {} {
return 120
}
proc defGraphHeight {} {
return 450
}
proc defGraphWidth {} {
return 450
}
proc defGraphWinHeight {} {
return [expr [defGraphHeight]+2*[defGraphMargin]]
}
proc defGraphWinWidth {} {
return [expr [defGraphWidth]+[defGraphMargin]+[defGraphMargin]]
}
proc createPieChart {graphName {canv 0}} {
global graphCnt use canvas cbb
set cols [graphCols $graphName]
set rows [graphRows $graphName]
wm withdraw .
if {$canv == 0} {
toplevel .graph$graphCnt
set canvas [canvas .graph$graphCnt.graph -width [defGraphWinWidth] \
-height [defGraphWinHeight] -bg gray80]
button .graph$graphCnt.dismiss -text dismiss \
-command {destroy .}
button .graph$graphCnt.print -text Print \
-command {
toplevel .m
message .m.msg -font 12x24 -text "Printing to file pie.ps"
pack .m.msg
wm geometry .m +300+300
after 2000 {destroy .m}
$canvas postscript -file pie.ps -pagewidth 19c
}
}
pack $canvas
pack .graph$graphCnt.dismiss -fill x
pack .graph$graphCnt.print -fill x
#
# Width of each bar
#
set gw [defGraphWidth]
set gh [defGraphHeight]
set gm [defGraphMargin]
#
# Find total
#
set total 0
for {set j 1} {$j <= $cols} {incr j} {
for {set i 1} {$i <= $rows} {incr i} {
set total [expr $total+[graphData $graphName $i 1]]
}
}
#
# Draw axes
#
# $canvas create rect $gm $gm [expr $gm+$gw] [expr $gm+$gh] \
# -fill gray80 -outline gray80
#
# Draw legends
#
for {set i 1} {$i <= $cols} {incr i} {
# $canvas create rect \
# [expr $gm+$gw+$gm/2] [expr $gm+40*$i] \
# [expr $gm+$gw+$gm+$gm/2] [expr $gm+40*$i+15] \
# -fill [graphColor $i]
$canvas create text \
[expr $gm+$gw+$gm/2+10] [expr $gm+40*$i+18] \
-anchor n -text [graphData $graphName 0 $i]
}
#
# Draw pie slices
#
set parcial 0
for {set i 1} {$i <= $rows} {incr i} {
set x [expr -[graphData $graphName $i 1]]
set offset 60
set tmp [$canvas create arc [expr $gm-$offset] [expr $gm-$offset] \
[expr $gm+$gw+$offset] [expr $gm+$gh+$offset] \
-extent 2 \
-start [expr 360.0*($parcial+$x/2.0)/$total] \
-tag [graphData $graphName $i 0] \
-style arc -outline gray80]
set xx [$canvas bbox [graphData $graphName $i 0]]
$canvas create arc $gm $gm [expr $gm+$gw] [expr $gm+$gh] \
-extent [expr 360.0*$x/$total] \
-start [expr 360.0*$parcial/$total] \
-fill [graphColor $i]
set parcial [expr $parcial+$x]
#
# Draw labels
#
set x1 [expr ([lindex $xx 0]+[lindex $xx 2])/2]
set y1 [expr ([lindex $xx 1]+[lindex $xx 3])/2]
$canvas delete $tmp
set s "[graphData $graphName $i 0] [format "%4.1f" [expr -(1.0*$x/$total*100)]]"
set offset 0
set sign 1
while {1} {
set a [$canvas create text $x1 [expr $y1+($offset*$sign)]\
-font $cbb(msg_text_font) \
-text "$s%" \
-fill [graphColor $i]]
set x [$canvas bbox $a]
set ll [$canvas find overlap \
[lindex $x 0] [lindex $x 1] \
[lindex $x 2] [lindex $x 3]]
if {[llength $ll] == 1} {break}
$canvas delete $a
set sign [expr -$sign]
incr offset
}
# set tx [expr $cols*$cw/2+($i-1)*$rs+$gm]
# set tt [graphData $graphName $i 0]
# set tt [string range $tt 0 7]
# $canvas create text $tx \
# [expr $zero+6+(($i-1) % $nlevels)*13] -anchor n \
# -text $tt
}
}
set graphCnt 0
createPieChart lixo 0
# ----------------------------------------------------------------------------
# $Log: graphpie,v $
# Revision 2.4 1998/08/14 14:28:49 curt
# Added desc-pie graph.
# Added option to eliminate splash screen.
# Other misc. tweaks and bug fixes.
#
# Revision 2.3 1996/12/13 01:25:21 curt
# Updated paths, modified to work with reports.tcl
#
# Revision 2.2 1996/07/13 02:58:36 curt
# Misc. changes.
#
# Revision 2.1 1996/02/27 05:36:15 curt
# Just stumbling around a bit with cvs ... :-(
#
# Revision 2.0 1996/02/27 04:43:24 curt
# Initial 2.0 revision. (See "Log" files for old history.)