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# plugin to allow searching all the documentation using a regexp
# check the Help menu for the Search item to use it
package require Tk 8.4
package require pd_bindings
package require pd_menucommands
namespace eval ::dialog_search:: {
variable selected_file {}
variable selected_basedir {}
variable basedir_list {}
}
# TODO it works funny when libdirs are symlinks
# find_doc_files
# basedir - the directory to start looking in
proc ::dialog_search::find_doc_files { basedir } {
# Fix the directory name, this ensures the directory name is in the
# native format for the platform and contains a final directory seperator
set basedir [string trimright [file join $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 *.txt *.pd] {
lappend fileList $fileName
}
# Now look for any sub direcories in the current directory
foreach dirName [glob -nocomplain -type {d r} -path $basedir *] {
# Recusively call the routine on the sub directory and append any
# new files to the results
set subDirList [find_doc_files $dirName]
if { [llength $subDirList] > 0 } {
foreach subDirFile $subDirList {
lappend fileList $subDirFile
}
}
}
return $fileList
}
proc ::dialog_search::selectline {listingwidget} {
variable selected_file
variable selected_basedir
variable basedir_list
set selection [$listingwidget curselection]
if {$selection eq ""} {
set selected_file ""
} else {
set line [$listingwidget get $selection]
set selected_file [string replace $line [string first ":" $line] end]
set selected_basedir [lindex $basedir_list $selection]
}
}
proc ::dialog_search::open_line {} {
variable selected_file
variable selected_basedir
if {$selected_file ne ""} {
menu_doc_open $selected_basedir $selected_file
}
}
proc ::dialog_search::readfile {filename} {
set fp [open $filename]
set file_contents [split [read $fp] \n]
close $fp
return $file_contents
}
proc ::dialog_search::search {searchtext} {
variable basedir_list {}
set widget .search.resultslistbox
$widget delete 0 end
foreach basedir [concat [file join $::sys_libdir doc] $::sys_searchpath $::sys_staticpath] {
# Fix the directory name, this ensures the directory name is in the
# native format for the platform and contains a final directory seperator
set basedir [file normalize $basedir]
foreach docfile [find_doc_files $basedir] {
searchfile $searchtext [readfile $docfile] $widget \
[string replace $docfile 0 [string length $basedir]] $basedir
}
}
}
proc ::dialog_search::searchfile {searchtext file_contents widget filename basedir} {
variable basedir_list
set n 0
foreach line $file_contents {
if {[regexp -nocase -- $searchtext $line]} {
$widget insert end "$filename: $line"
lappend basedir_list $basedir
incr n
}
}
}
proc ::dialog_search::ok {mytoplevel} {
# this is a placeholder for the standard dialog bindings
}
proc ::dialog_search::cancel {mytoplevel} {
wm withdraw .search
}
proc ::dialog_search::open_search_dialog {mytoplevel} {
if {[winfo exists $mytoplevel]} {
wm deiconify $mytoplevel
raise $mytoplevel
} else {
create_dialog $mytoplevel
}
}
proc ::dialog_search::create_dialog {mytoplevel} {
variable selected_file
toplevel $mytoplevel
wm title $mytoplevel [_ "Search"]
entry $mytoplevel.searchtextentry -bg white -textvar searchtext \
-highlightcolor blue -font 18 -borderwidth 3
bind $mytoplevel.searchtextentry <Return> {::dialog_search::search $searchtext}
# TODO add history like in the find box
bind $mytoplevel.searchtextentry <Up> {set searchtext ""}
listbox $mytoplevel.resultslistbox -yscrollcommand "$mytoplevel.yscrollbar set" \
-bg white -highlightcolor blue -height 30 -width 80
scrollbar $mytoplevel.yscrollbar -command "$mytoplevel.resultslistbox yview" \
-takefocus 0
bind $mytoplevel.resultslistbox <<ListboxSelect>> \
"::dialog_search::selectline $mytoplevel.resultslistbox"
bind $mytoplevel.resultslistbox <Key-Return> ::dialog_search::open_line
bind $mytoplevel.resultslistbox <Double-ButtonRelease-1> ::dialog_search::open_line
::pd_bindings::dialog_bindings $mytoplevel "search"
grid $mytoplevel.searchtextentry - -sticky ew
grid $mytoplevel.resultslistbox $mytoplevel.yscrollbar -sticky news
grid columnconfig . 0 -weight 1
grid rowconfig . 1 -weight 1
focus $mytoplevel.searchtextentry
}
# create the menu item on load
set mymenu .menubar.help
set inserthere [$mymenu index [_ "Report a bug"]]
$mymenu insert $inserthere separator
$mymenu insert $inserthere command -label [_ "Search"] \
-command {::dialog_search::open_search_dialog .search}
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