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lms-video/tcl/helpbrowser.tcl
Santi Noreña e85d191b46 - Reestructuración de ficheros y directorios general 
- merge v0.01 --> Añadido fileselector
- Añadidas fuentes de Gem y Pure Data
- pix2jpg incluído en Gem. Archivos de construcción de Gem modificados.
- Añadido fichero ompiling.txt con instrucciones de compilación
2013-02-04 18:00:17 +01:00

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Tcl
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package provide helpbrowser 0.1
namespace eval ::helpbrowser:: {
variable libdirlist
variable helplist
variable reference_count
variable reference_paths
variable doctypes "*.{pd,pat,mxb,mxt,help,txt,htm,html,pdf}"
namespace export open_helpbrowser
}
# TODO remove the doc_ prefix on procs where its not needed
# TODO rename .help_browser to .helpbrowser
# TODO enter and up/down/left/right arrow key bindings for nav
################## help browser and support functions #########################
proc ::helpbrowser::open_helpbrowser {} {
if { [winfo exists .help_browser.frame] } {
wm deiconify .help_browser
raise .help_browser
} else {
toplevel .help_browser -class HelpBrowser
wm group .help_browser .
wm transient .help_browser
wm title .help_browser [_ "Help Browser"]
bind .help_browser <$::modifier-Key-w> "wm withdraw .help_browser"
if {$::windowingsystem eq "aqua"} {
.help_browser configure -menu $::dialog_menubar
}
wm resizable .help_browser 0 0
frame .help_browser.frame
pack .help_browser.frame -side top -fill both
build_references
make_rootlistbox .help_browser.frame
}
}
# make the root listbox of the help browser using the pre-built lists
proc ::helpbrowser::make_rootlistbox {base} {
variable libdirlist
variable helplist
# exportselection 0 looks good, but selection gets easily out-of-sync
set current_listbox [listbox "[set b $base.root]" -yscrollcommand "$b-scroll set" \
-highlightbackground white -highlightthickness 5 \
-highlightcolor "#D6E5FC" -selectborderwidth 0 \
-height 20 -width 23 -exportselection 0 -bd 0]
pack $current_listbox [scrollbar "$b-scroll" -command [list $current_listbox yview]] \
-side left -fill both -expand 1
foreach item [concat [lsort [concat $libdirlist $helplist]]] {
$current_listbox insert end $item
}
bind $current_listbox <Button-1> \
[list ::helpbrowser::root_navigate %W %x %y]
bind $current_listbox <Key-Return> \
[list ::helpbrowser::root_navigate %W %x %y]
bind $current_listbox <Double-ButtonRelease-1> \
[list ::helpbrowser::root_doubleclick %W %x %y]
bind $current_listbox <$::modifier-Key-o> \
[list ::helpbrowser::root_doubleclick %W %x %y]
}
# navigate into a library/directory from the root
proc ::helpbrowser::root_navigate {window x y} {
variable reference_paths
if {[set item [$window get [$window index "@$x,$y"]]] eq {}} {
return
}
set filename $reference_paths($item)
if {[file isdirectory $filename]} {
make_liblistbox [winfo parent $window] $filename
}
}
# double-click action to open the folder
proc ::helpbrowser::root_doubleclick {window x y} {
variable reference_paths
if {[set listname [$window get [$window index "@$x,$y"]]] eq {}} {
return
}
set dir [file dirname $reference_paths($listname)]
set filename [file tail $reference_paths($listname)]
::pdwindow::verbose 0 "menu_doc_open $dir $filename"
if { [catch {menu_doc_open $dir $filename} fid] } {
::pdwindow::error "Could not open $dir/$filename\n"
}
}
# make the listbox to show the first level contents of a libdir
proc ::helpbrowser::make_liblistbox {base dir} {
variable doctypes
catch { eval destroy [lrange [winfo children $base] 2 end] } errorMessage
# exportselection 0 looks good, but selection gets easily out-of-sync
set current_listbox [listbox "[set b $base.listbox0]" -yscrollcommand "$b-scroll set" \
-highlightbackground white -highlightthickness 5 \
-highlightcolor "#D6E5FC" -selectborderwidth 0 \
-height 20 -width 23 -exportselection 0 -bd 0]
pack $current_listbox [scrollbar "$b-scroll" -command [list $current_listbox yview]] \
-side left -fill both -expand 1
foreach item [lsort -dictionary [glob -directory $dir -nocomplain -types {d} -- *]] {
if {[glob -directory $item -nocomplain -types {f} -- $doctypes] ne "" ||
[glob -directory $item -nocomplain -types {d} -- *] ne ""} {
$current_listbox insert end "[file tail $item]/"
}
}
foreach item [lsort -dictionary [glob -directory $dir -nocomplain -types {f} -- \
*-{help,meta}.pd]] {
$current_listbox insert end [file tail $item]
}
$current_listbox insert end "___________________________"
foreach item [lsort -dictionary [glob -directory $dir -nocomplain -types {f} -- \
*.txt]] {
$current_listbox insert end [file tail $item]
}
bind $current_listbox <Button-1> \
[list ::helpbrowser::dir_navigate $dir 1 %W %x %y]
bind $current_listbox <Double-ButtonRelease-1> \
[list ::helpbrowser::dir_doubleclick $dir 1 %W %x %y]
bind $current_listbox <Key-Return> \
[list ::helpbrowser::dir_doubleclick $dir 1 %W %x %y]
}
proc ::helpbrowser::doc_make_listbox {base dir count} {
variable doctypes
# check for [file readable]?
# requires Tcl 8.5 but probably deals with special chars better:
# destroy {*}[lrange [winfo children $base] [expr {2 * $count}] end]
if { [catch { eval destroy [lrange [winfo children $base] \
[expr { 2 * $count }] end] } errorMessage] } {
::pdwindow::error "doc_make_listbox: error listing $dir\n"
}
# exportselection 0 looks good, but selection gets easily out-of-sync
set current_listbox [listbox "[set b "$base.listbox$count"]-list" \
-yscrollcommand "$b-scroll set" \
-highlightbackground white -highlightthickness 5 \
-highlightcolor "#D6E5FC" -selectborderwidth 0 \
-height 20 -width 23 -exportselection 0 -bd 0]
pack $current_listbox [scrollbar "$b-scroll" -command "$current_listbox yview"] \
-side left -fill both -expand 1
foreach item [lsort -dictionary [glob -directory $dir -nocomplain -types {d} -- *]] {
$current_listbox insert end "[file tail $item]/"
}
foreach item [lsort -dictionary [glob -directory $dir -nocomplain -types {f} -- \
$doctypes]] {
$current_listbox insert end [file tail $item]
}
bind $current_listbox <Button-1> \
"::helpbrowser::dir_navigate {$dir} $count %W %x %y"
bind $current_listbox <Key-Right> \
"::helpbrowser::dir_navigate {$dir} $count %W %x %y"
bind $current_listbox <Double-ButtonRelease-1> \
"::helpbrowser::dir_doubleclick {$dir} $count %W %x %y"
bind $current_listbox <Key-Return> \
"::helpbrowser::dir_doubleclick {$dir} $count %W %x %y"
}
# navigate into an actual directory
proc ::helpbrowser::dir_navigate {dir count window x y} {
if {[set newdir [$window get [$window index "@$x,$y"]]] eq {}} {
return
}
set dir_to_open [file join $dir $newdir]
if {[file isdirectory $dir_to_open]} {
doc_make_listbox [winfo parent $window] $dir_to_open [incr count]
}
}
proc ::helpbrowser::dir_doubleclick {dir count window x y} {
if {[set filename [$window get [$window index "@$x,$y"]]] eq {}} {
return
}
if { [catch {menu_doc_open $dir $filename} fid] } {
::pdwindow::error "Could not open $dir/$filename\n"
}
}
proc ::helpbrowser::rightclickmenu {dir count window x y} {
if {[set filename [$window get [$window index "@$x,$y"]]] eq {}} {
return
}
if { [catch {menu_doc_open $dir $filename} fid] } {
::pdwindow::error "Could not open $dir/$filename\n"
}
}
#------------------------------------------------------------------------------#
# build help browser trees
# TODO check file timestamp against timestamp of when tree was built
proc ::helpbrowser::findfiles {basedir pattern} {
set basedir [string trimright [file join [file normalize $basedir] { }]]
set filelist {}
# Look in the current directory for matching files, -type {f r}
# means ony readable normal files are looked at, -nocomplain stops
# an error being thrown if the returned list is empty
foreach filename [glob -nocomplain -type {f r} -path $basedir $pattern] {
lappend filelist $filename
}
foreach dirName [glob -nocomplain -type {d r} -path $basedir *] {
set subdirlist [findfiles $dirName $pattern]
if { [llength $subdirlist] > 0 } {
foreach subdirfile $subdirlist {
lappend filelist $subdirfile
}
}
}
return $filelist
}
proc ::helpbrowser::add_entry {reflist entry} {
variable libdirlist
variable helplist
variable reference_paths
variable reference_count
set entryname [file tail $entry]
# if we are checking libdirs, then check to see if there is already a
# libdir with that name that has been discovered in the path. If so, dump
# a warning. The trailing slash on $entryname is added below when
# $entryname is a dir
if {$reflist eq "libdirlist" && [lsearch -exact $libdirlist $entryname/] > -1} {
::pdwindow::error "WARNING: duplicate '$entryname' library found!\n"
::pdwindow::error " '$reference_paths($entryname/)' is active\n"
::pdwindow::error " '$entry' is duplicate\n"
incr reference_count($entryname)
append entryname "/ ($reference_count($entryname))"
} else {
set reference_count($entryname) 1
if {[file isdirectory $entry]} {
append entryname "/"
}
}
lappend $reflist $entryname
set reference_paths($entryname) $entry
}
proc ::helpbrowser::build_references {} {
variable libdirlist {" Pure Data/" "-----------------------"}
variable helplist {}
variable reference_count
variable reference_paths
array set reference_count {}
array set reference_paths [list \
" Pure Data/" $::sys_libdir/doc \
"-----------------------" "" \
]
foreach pathdir [concat $::sys_searchpath $::sys_staticpath] {
if { ! [file isdirectory $pathdir]} {continue}
# Fix the directory name, this ensures the directory name is in the
# native format for the platform and contains a final directory seperator
set dir [string trimright [file join [file normalize $pathdir] { }]]
## find the libdirs
foreach filename [glob -nocomplain -type d -path $dir "*"] {
add_entry libdirlist $filename
}
## find the stray help patches
foreach filename [glob -nocomplain -type f -path $dir "*-help.pd"] {
add_entry helplist $filename
}
}
}
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