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source: branches/1.3/gui/scripts/xylegend.tcl @ 4482

Last change on this file since 4482 was 3800, checked in by gah, 11 years ago
add -simulation to plotadd calls
File size: 18.9 KB

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1	# -- mode: tcl; indent-tabs-mode: nil --
2
3	# ----------------------------------------------------------------------
4	# COMPONENT: xylegend - X/Y plot legend.
5	#
6	# This widget is a legend for an X/Y plot, meant to view line graphs produced
7	# as output from the run of a Rappture tool. Use the "add" and
8	# "delete" methods to control the curves showing on the plot.
9	# ======================================================================
10	# AUTHOR: Michael McLennan, Purdue University
11	# Copyright (c) 2004-2012 HUBzero Foundation, LLC
12	#
13	# See the file "license.terms" for information on usage and
14	# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
15	# ======================================================================
16	package require Itk
17	package require BLT
18
19	option add *Xylegend.font \
20	--helvetica-medium-r-normal--8-* widgetDefault
21
22	option add *Xylegend.Button.font \
23	--helvetica-medium-r-normal--9-* widgetDefault
24
25	itcl::class ::Rappture::XyLegend {
26	inherit itk::Widget
27
28	private variable _autocolors {
29	#0000cd
30	#cd0000
31	#00cd00
32	#3a5fcd
33	#cdcd00
34	#cd1076
35	#009acd
36	#00c5cd
37	#a2b5cd
38	#7ac5cd
39	#66cdaa
40	#a2cd5a
41	#cd9b9b
42	#cdba96
43	#cd3333
44	#cd6600
45	#cd8c95
46	#cd00cd
47	#9a32cd
48	#6ca6cd
49	#9ac0cd
50	#9bcd9b
51	#00cd66
52	#cdc673
53	#cdad00
54	#cd5555
55	#cd853f
56	#cd7054
57	#cd5b45
58	#cd6889
59	#cd69c9
60	#551a8b
61	}
62	private variable _lastColorIndex ""
63	private variable _dispatcher "" ;# dispatcher for !events
64	private variable _graph ""
65	private variable _tree ""
66	private variable _diff ""; # Polygon marker used for difference.
67	private variable _rename ""; # Node selected to be renamed.
68	private variable _diffelements
69	private variable _unmapHidden 0
70
71	constructor {graph args} {}
72	destructor {}
73
74	public method reset { list }
75
76	private method Add { elem label {flags ""}}
77	private method Average {}
78	private method BuildPopup { popup }
79	private method Check {}
80	private method Delete { args }
81	private method Difference {}
82	private method Editor { option args }
83	private method GetData { elem what }
84	private method Hide { args }
85	private method Lower { args }
86	private method Raise { args }
87	private method PopupMenu { x y }
88	private method Rename {}
89	private method SelectAll {}
90	private method Show { args }
91	private method Toggle { args }
92	private method UnmapHidden {}
93	}
94
95	itk::usual XyLegend {
96	keep -background -foreground -cursor
97	}
98
99	itk::usual TreeView {
100	keep -background -foreground -cursor
101	}
102
103	blt::bitmap define dot1 {
104	#define dot1_width 8
105	#define dot1_height 8
106	static unsigned char dot1_bits[] = {
107	0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa};
108	}
109
110	# ----------------------------------------------------------------------
111	# CONSTRUCTOR
112	# ----------------------------------------------------------------------
113	itcl::body Rappture::XyLegend::constructor { graph args } {
114	option add hull.width hull.height
115	pack propagate $itk_component(hull) no
116	itk_component add scrollbars {
117	Rappture::Scroller $itk_interior.scrl \
118	-xscrollmode auto -yscrollmode auto \
119	-width 200 -height 100
120	}
121	set _tree [blt::tree create]
122	itk_component add legend {
123	blt::treeview $itk_component(scrollbars).legend -linewidth 0 \
124	-bg white -selectmode multiple \
125	-highlightthickness 0 \
126	-tree $_tree \
127	-font "Arial 9" \
128	-flat yes -separator /
129	}
130	$itk_component(scrollbars) contents $itk_component(legend)
131	$itk_component(legend) column insert 0 "show" \
132	-text "" -weight 0.0 -pad 0 -borderwidth 0
133	$itk_component(legend) style checkbox "check" -showvalue no \
134	-onvalue 0 -offvalue 1 \
135	-boxcolor grey50 -checkcolor black -activebackground grey90
136	$itk_component(legend) column configure "treeView" -justify left \
137	-weight 1.0 -text "" -pad 0 -borderwidth 0 -edit no
138	$itk_component(legend) column configure "show" -style "check" -pad {0 0} \
139	-edit yes
140	itk_component add controls {
141	frame $itk_component(hull).controls -width 100 -relief sunken -bd 2
142	}
143	set controls $itk_component(controls)
144	grid $itk_component(controls) -column 0 -row 1 -sticky nsew
145	grid columnconfigure $itk_component(hull) 0 -weight 1
146	grid rowconfigure $itk_component(hull) 1 \
147	-minsize [winfo reqheight $itk_component(scrollbars)]
148	grid rowconfigure $itk_component(hull) 0 -weight 1
149	grid $itk_component(scrollbars) -column 0 -row 0 -sticky nsew
150	set commands {
151	hide ""
152	show ""
153	toggle ""
154	raise findup
155	lower finddn
156	average ""
157	difference ""
158	delete ""
159	rename ""
160	}
161	foreach { but icon} $commands {
162	set title [string totitle $but]
163	button $controls.$but -text $title \
164	-relief flat -pady 0 -padx 0 -font "Arial 9" \
165	-command [itcl::code $this $title] -overrelief flat \
166	-activebackground grey90
167	}
168	grid $controls.hide -column 0 -row 0 -sticky w
169	grid $controls.show -column 0 -row 1 -sticky w
170	grid $controls.toggle -column 0 -row 2 -sticky w
171	grid $controls.raise -column 0 -row 3 -sticky w
172	grid $controls.lower -column 0 -row 4 -sticky w
173	grid $controls.difference -column 1 -row 0 -sticky w
174	grid $controls.average -column 1 -row 1 -sticky w
175	grid $controls.rename -column 1 -row 2 -sticky w
176	grid $controls.delete -column 1 -row 3 -sticky w
177
178	grid columnconfigure $controls 0 -weight 1
179	grid columnconfigure $controls 1 -weight 1
180
181	set _graph $graph
182	set cmd [itcl::code $this Toggle current]
183	$itk_component(legend) bind CheckBoxStyle <ButtonRelease-1> \
184	[itcl::code [subst -nocommands {
185	if { [%W edit -root -test %X %Y] } {
186	%W edit -root %X %Y
187	$this Toggle [%W nearest -root %X %Y]
188	break
189	}
190	}]]
191	bind $itk_component(legend) <Enter> { focus %W }
192	$itk_component(legend) bind Entry <Control-KeyRelease-a> \
193	[itcl::code $this SelectAll]
194	$itk_component(legend) bind Entry <KeyRelease-Return> \
195	+[itcl::code $this Toggle focus]
196	$itk_component(legend) bind Entry <Escape> \
197	"$itk_component(legend) selection clearall"
198	$itk_component(legend) configure -selectcommand \
199	[itcl::code $this Check]
200
201	itk_component add editor {
202	Rappture::Editor $itk_interior.editor \
203	-activatecommand [itcl::code $this Editor activate] \
204	-validatecommand [itcl::code $this Editor validate] \
205	-applycommand [itcl::code $this Editor apply]
206	}
207	set _lastColorIndex [llength $_autocolors]
208	Check
209	eval itk_initialize $args
210	}
211
212	# ----------------------------------------------------------------------
213	# DESTRUCTOR
214	# ----------------------------------------------------------------------
215	itcl::body Rappture::XyLegend::destructor {} {
216	foreach node [$_tree children root] {
217	$_tree delete $node
218	}
219	if { $_diff != "" } {
220	catch { $_graph marker delete $_diff }
221	}
222	}
223
224	itcl::body Rappture::XyLegend::Add { elem label {flags ""} } {
225	set hide [$_graph element cget $elem -hide]
226	set im [image create photo]
227	$_graph legend icon $elem $im
228	set data(show) $hide
229	set data(delete) [expr { $flags == "-delete" }]
230	set node [$_tree insert root -at 0 -label $elem -data [array get data]]
231	$itk_component(legend) entry configure $node -label $label -icon $im \
232	-activeicon $im
233	update idletasks
234	return $node
235	}
236
237	# ----------------------------------------------------------------------
238	# USAGE: reset
239	#
240	# Clients use this to add a curve to the plot. The optional <settings>
241	# are used to configure the plot. Allowed settings are -color,
242	# -brightness, -width, -linestyle and -raise.
243	# ----------------------------------------------------------------------
244	itcl::body Rappture::XyLegend::reset { list } {
245	foreach node [$_tree children root] {
246	$_tree delete $node
247	}
248	foreach elem $list {
249	if {[catch {$_graph element cget $elem -label} label] == 0} {
250	if {$label eq ""} {
251	set label $elem
252	}
253	Add $elem $label
254	}
255	}
256	$itk_component(legend) open -recurse root
257	Check
258	}
259
260	itcl::body Rappture::XyLegend::Hide { args } {
261	if { $args == "" } {
262	set nodes [$itk_component(legend) curselection]
263	} else {
264	set nodes $args
265	}
266	foreach node $nodes {
267	set elem [$_tree label $node]
268	if { ![$_graph element exists $elem] } {
269	continue
270	}
271	$_graph element configure $elem -hide yes
272	$_tree set $node "show" 1
273	}
274	}
275
276	itcl::body Rappture::XyLegend::Show { args } {
277	if { $args == "" } {
278	set nodes [$itk_component(legend) curselection]
279	} else {
280	set nodes $args
281	}
282	foreach node $nodes {
283	set elem [$_tree label $node]
284	if { ![$_graph element exists $elem] } {
285	continue
286	}
287	$_graph element configure $elem -hide no
288	$_tree set $node "show" 0
289	}
290	}
291
292	itcl::body Rappture::XyLegend::Toggle { args } {
293	if { $args == "" } {
294	set nodes [$itk_component(legend) curselection]
295	} else {
296	set nodes $args
297	}
298	foreach node $nodes {
299	set elem [$_tree label $node]
300	if { ![$_graph element exists $elem] } {
301	continue
302	}
303	set hide [$_graph element cget $elem -hide]
304	set hide [expr $hide==0]
305	$_tree set $node "show" $hide
306	$_graph element configure $elem -hide $hide
307	}
308	}
309
310	itcl::body Rappture::XyLegend::Raise { args } {
311	if { $args == "" } {
312	set nodes [$itk_component(legend) curselection]
313	} else {
314	set nodes $args
315	}
316	set elements {}
317	foreach node $nodes {
318	set elem [$_tree label $node]
319	set found($elem) 1
320	set elements [linsert $elements 0 $elem]
321	}
322	foreach elem $elements {
323	$_tree move [$_tree index $elem] 0 -at 0
324	}
325	set list {}
326	foreach elem [$_graph element show] {
327	if { [info exists found($elem)] } {
328	continue
329	}
330	lappend list $elem
331	}
332	$_graph element show [concat $list $elements]
333	}
334
335	itcl::body Rappture::XyLegend::Lower { args } {
336	if { $args == "" } {
337	set nodes [$itk_component(legend) curselection]
338	} else {
339	set nodes $args
340	}
341	set elements {}
342	foreach node $nodes {
343	set elem [$_tree label $node]
344	set found($elem) 1
345	set elements [linsert $elements 0 $elem]
346	}
347	set pos [$_tree degree 0]
348
349	foreach elem $elements {
350	incr pos -1
351	$_tree move [$_tree index $elem] 0 -at $pos
352	}
353
354	set list {}
355	foreach elem [$_graph element show] {
356	if { [info exists found($elem)] } {
357	continue
358	}
359	lappend list $elem
360	}
361	$_graph element show [concat $elements $list]
362	}
363
364	itcl::body Rappture::XyLegend::Delete { args } {
365	if { $args == "" } {
366	set nodes [$itk_component(legend) curselection]
367	} else {
368	set nodes $args
369	}
370	set elements {}
371	set delnodes {}
372	foreach node $nodes {
373	if { ![$_tree get $node "delete" 0] } {
374	continue
375	}
376	set elem [$_tree label $node]
377	lappend elements $elem
378	lappend delnodes $node
379	if { $_diff != "" && [info exists _diffelements($elem)] } {
380	$_graph marker delete $_diff
381	array unset _diffelements
382	set _diff ""
383	}
384	}
385	if { [llength $delnodes] > 0 } {
386	eval $_tree delete $delnodes
387	}
388	$itk_component(legend) selection clearall
389	eval $_graph element delete $elements
390	}
391
392	itcl::body Rappture::XyLegend::Check {} {
393	set nodes [$itk_component(legend) curselection]
394	foreach n { hide show toggle raise lower
395	rename average difference delete } {
396	$itk_component(controls).$n configure -state disabled
397	}
398	foreach node $nodes {
399	if { [$_tree get $node "delete" 0] } {
400	$itk_component(controls).delete configure -state normal
401	break
402	}
403	}
404	if { [$_tree degree 0] > 1 && [llength $nodes] > 0 } {
405	foreach n { raise lower } {
406	$itk_component(controls).$n configure -state normal
407	}
408	}
409	switch -- [llength $nodes] {
410	0 {
411	}
412	1 {
413	foreach n { hide show toggle rename } {
414	$itk_component(controls).$n configure -state normal
415	}
416	}
417	2 {
418	foreach n { hide show toggle difference average } {
419	$itk_component(controls).$n configure -state normal
420	}
421	}
422	default {
423	foreach n { hide show toggle average } {
424	$itk_component(controls).$n configure -state normal
425	}
426	}
427	}
428	}
429
430	itcl::body Rappture::XyLegend::GetData { elem what } {
431	set y [$_graph element cget $elem $what]
432	if { [blt::vector names $y] == $y } {
433	set y [$y range 0 end]
434	}
435	return $y
436	}
437
438	itcl::body Rappture::XyLegend::Average {} {
439	set nodes [$itk_component(legend) curselection]
440	if { $nodes == "" } {
441	return
442	}
443	set elements {}
444	set sum [blt::vector create \#auto -command ""]
445
446	set xcoords [blt::vector create \#auto -command ""]
447	set ycoords [blt::vector create \#auto -command ""]
448
449	blt::busy hold $itk_component(hull)
450	update
451	# Step 1. Get the x-values for each curve, then sort them to get the
452	# unique values.
453
454	set labels {}
455	foreach node $nodes {
456	set elem [$_tree label $node]
457	set label [$_graph element cget $elem -label]
458	$xcoords append [GetData $elem -x]
459	set elements [linsert $elements 0 $elem]
460	set labels [linsert $labels 0 $label]
461	}
462	# Sort the abscissas keeping unique values.
463	$xcoords sort -uniq
464
465	# Step 2. Now for each curve, generate a cubic spline of that curve
466	# and interpolate to get the corresponding y-values for each
467	# abscissa. Normally the abscissa are the same, so we're
468	# interpolation the knots.
469
470	set x [blt::vector create \#auto -command ""]
471	set y [blt::vector create \#auto -command ""]
472	$sum length [$xcoords length]
473
474	foreach node $nodes {
475	set elem [$_tree label $node]
476	$x set [GetData $elem -x]
477	$y set [GetData $elem -y]
478	blt::spline natural $x $y $xcoords $ycoords
479
480	# Sum the interpolated y-coordinate values.
481	$sum expr "$sum + $ycoords"
482	}
483	blt::vector destroy $x $y
484
485	# Get the average
486	$sum expr "$sum / [llength $elements]"
487
488	# Step 3. Create a new curve which is the average. Append it to the
489	# the end.
490
491	set count 0
492	while {[$_graph element exists avg$count] } {
493	incr count
494	}
495	set labels [lsort -dictionary $labels]
496	set name "avg$count"
497	set label "Avg. [join $labels ,]"
498
499	# Don't use the vector because we don't know when it will be cleaned up.
500
501	if { $_lastColorIndex == 0 } {
502	set _lastColorIndex [llength $_autocolors]
503	}
504	incr _lastColorIndex -1
505	set color [lindex $_autocolors $_lastColorIndex]
506	$_graph element create $name -label $label -x [$xcoords range 0 end]\
507	-y [$sum range 0 end] -symbol scross -pixels 3 -color $color
508	blt::vector destroy $xcoords $ycoords $sum
509	set node [Add $name $label -delete]
510	Raise $node
511	blt::busy forget $itk_component(hull)
512	}
513
514	itcl::body Rappture::XyLegend::Difference {} {
515
516	if { $_diff != "" } {
517	$_graph marker delete $_diff
518	set _diff ""
519	}
520	set nodes [$itk_component(legend) curselection]
521	set elem1 [$_tree label [lindex $nodes 0]]
522	set elem2 [$_tree label [lindex $nodes 1]]
523	if { [info exists _diffelements($elem1)] &&
524	[info exists _diffelements($elem2)] } {
525	array unset _diffelements; # Toggle the difference.
526	return;
527	}
528	array unset _diffelements
529	set x [blt::vector create \#auto -command ""]
530	set y [blt::vector create \#auto -command ""]
531	set m [blt::vector create \#auto -command ""]
532
533	$x append [GetData $elem1 -x]
534	$y append [GetData $elem1 -y]
535	$x sort -reverse $y
536	$x append [GetData $elem2 -x]
537	$y append [GetData $elem2 -y]
538	$m merge $x $y
539	set _diff [$_graph marker create polygon \
540	-coords [$m range 0 end] \
541	-element $elem1 \
542	-stipple dot1 \
543	-outline "" -fill "#cd69c9"]
544	blt::vector destroy $m $x $y
545	set _diffelements($elem1) 1
546	set _diffelements($elem2) 1
547	}
548
549
550	itcl::body Rappture::XyLegend::UnmapHidden {} {
551	$_graph configure -unmaphiddenelements $_unmapHidden
552	}
553
554	itcl::body Rappture::XyLegend::SelectAll { } {
555	foreach node [$_tree children 0] {
556	$itk_component(legend) selection set $node
557	}
558	}
559
560	itcl::body Rappture::XyLegend::Rename {} {
561	Editor popup
562	}
563
564	# ----------------------------------------------------------------------
565	# USAGE: Editor popup
566	# USAGE: Editor activate
567	# USAGE: Editor validate <value>
568	# USAGE: Editor apply <value>
569	# USAGE: Editor menu <rootx> <rooty>
570	#
571	# Used internally to handle the various functions of the pop-up
572	# editor for the value of this gauge.
573	# ----------------------------------------------------------------------
574	itcl::body Rappture::XyLegend::Editor {option args} {
575	switch -- $option {
576	popup {
577	$itk_component(editor) activate
578	}
579	activate {
580	set _rename [$itk_component(legend) curselection]
581	if { $_rename == "" } {
582	return;
583	}
584	set label [$itk_component(legend) entry cget $_rename -label]
585	foreach { l r w h } [$itk_component(legend) bbox $_rename] break
586	set info(text) $label
587	set info(x) [expr $l + [winfo rootx $itk_component(legend)]]
588	set info(y) [expr $r + [winfo rooty $itk_component(legend)]]
589	set info(w) $w
590	set info(h) $h
591	return [array get info]
592	}
593	validate {
594	if {[llength $args] != 1} {
595	error "wrong # args: should be \"editor validate value\""
596	}
597	}
598	apply {
599	if {[llength $args] != 1} {
600	error "wrong # args: should be \"editor apply value\""
601	}
602	set label [lindex $args 0]
603	$itk_component(legend) entry configure $_rename -label $label
604	set elem [$_tree label $_rename]
605	$_graph element configure $elem -label $label
606	}
607	menu {
608	eval tk_popup $itk_component(emenu) $args
609	}
610	default {
611	error "bad option \"$option\": should be popup, activate, validate, apply, and menu"
612	}
613	}
614	}

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