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#!/usr/bin/env wish
#==============================================================================
# Demonstrates the use of embedded windows in tablelist widgets.
#
# Copyright (c) 2004-2019 Csaba Nemethi (E-mail: csaba.nemethi@t-online.de)
#==============================================================================
package require tablelist 6.4
wm title . "Tk Library Scripts"
#
# Add some entries to the Tk option database
#
set dir [file dirname [info script]]
source [file join $dir option.tcl]
#
# Create the font TkFixedFont if not yet present
#
catch {font create TkFixedFont -family Courier -size -12}
#
# Create an image to be displayed in buttons embedded in a tablelist widget
#
image create photo openImg -file [file join $dir open.gif]
#
# Create a vertically scrolled tablelist widget with 5
# dynamic-width columns and interactive sort capability
#
set tf .tf
frame $tf -class ScrollArea
set tbl $tf.tbl
set vsb $tf.vsb
tablelist::tablelist $tbl \
-columns {0 "File Name" left
0 "Bar Chart" center
0 "File Size" right
0 "View" center
0 "Seen" center} \
-setgrid no -yscrollcommand [list $vsb set] -width 0
if {[$tbl cget -selectborderwidth] == 0} {
$tbl configure -spacing 1
}
$tbl columnconfigure 0 -name fileName
$tbl columnconfigure 1 -formatcommand emptyStr -sortmode integer
$tbl columnconfigure 2 -name fileSize -sortmode integer
$tbl columnconfigure 4 -name seen
scrollbar $vsb -orient vertical -command [list $tbl yview]
proc emptyStr val { return "" }
#
# Create a bold font
#
set tblFont [$tbl cget -font]
set size [font actual $tblFont -size]
if {$size == 0} { ;# e.g., on Ubuntu
set size -12
}
eval font create BoldFont [font actual $tblFont] -size $size -weight bold
#
# Populate the tablelist widget
#
cd $tk_library
set totalSize 0
set maxSize 0
foreach fileName [lsort [glob *.tcl]] {
set fileSize [file size $fileName]
$tbl insert end [list $fileName $fileSize $fileSize "" no]
incr totalSize $fileSize
if {$fileSize > $maxSize} {
set maxSize $fileSize
}
}
if {$tk_version >= 8.5} {
$tbl header insert 0 [list "[$tbl size] *.tcl files" "" $totalSize "" ""]
$tbl header rowconfigure 0 -foreground blue
}
#------------------------------------------------------------------------------
# createFrame
#
# Creates a frame widget w to be embedded into the specified cell of the
# tablelist widget tbl, as well as a child frame representing the size of the
# file whose name is diplayed in the first column of the cell's row.
#------------------------------------------------------------------------------
proc createFrame {tbl row col w} {
#
# Create the frame and replace the binding tag "Frame"
# with "TablelistBody" in the list of its binding tags
#
frame $w -width 102 -height 14 -background ivory -borderwidth 1 \
-relief solid
bindtags $w [lreplace [bindtags $w] 1 1 TablelistBody]
#
# Create the child frame and replace the binding tag "Frame"
# with "TablelistBody" in the list of its binding tags
#
frame $w.f -height 12 -background red -borderwidth 1 -relief raised
bindtags $w.f [lreplace [bindtags $w] 1 1 TablelistBody]
#
# Manage the child frame
#
set fileSize [$tbl cellcget $row,fileSize -text]
place $w.f -relwidth [expr {double($fileSize) / $::maxSize}]
}
#------------------------------------------------------------------------------
# createButton
#
# Creates a button widget w to be embedded into the specified cell of the
# tablelist widget tbl.
#------------------------------------------------------------------------------
proc createButton {tbl row col w} {
set key [$tbl getkeys $row]
button $w -image openImg -highlightthickness 0 -takefocus 0 \
-command [list viewFile $tbl $key]
}
#------------------------------------------------------------------------------
# viewFile
#
# Displays the content of the file whose name is contained in the row with the
# given key of the tablelist widget tbl.
#------------------------------------------------------------------------------
proc viewFile {tbl key} {
set top .top$key
if {[winfo exists $top]} {
raise $top
focus $top
return ""
}
toplevel $top
set fileName [$tbl cellcget k$key,fileName -text]
wm title $top "File \"$fileName\""
#
# Create a vertically scrolled text widget as a grandchild of the toplevel
#
set tf $top.tf
frame $tf -class ScrollArea
set txt $tf.txt
set vsb $tf.vsb
text $txt -background white -font TkFixedFont -setgrid yes \
-yscrollcommand [list $vsb set]
catch {$txt configure -tabstyle wordprocessor} ;# for Tk 8.5 and above
scrollbar $vsb -orient vertical -command [list $txt yview]
#
# Insert the file's content into the text widget
#
set chan [open $fileName]
$txt insert end [read -nonewline $chan]
close $chan
set btn [button $top.btn -text "Close" -command [list destroy $top]]
#
# Manage the widgets
#
grid $txt -row 0 -column 0 -sticky news
grid $vsb -row 0 -column 1 -sticky ns
grid rowconfigure $tf 0 -weight 1
grid columnconfigure $tf 0 -weight 1
pack $btn -side bottom -pady 10
pack $tf -side top -expand yes -fill both
#
# Mark the file as seen
#
$tbl rowconfigure k$key -font BoldFont
$tbl cellconfigure k$key,seen -text yes
}
#------------------------------------------------------------------------------
#
# Create embedded windows in the columns no. 1 and 3
#
set rowCount [$tbl size]
for {set row 0} {$row < $rowCount} {incr row} {
$tbl cellconfigure $row,1 -window createFrame -stretchwindow yes
$tbl cellconfigure $row,3 -window createButton
}
set btn [button .btn -text "Close" -command exit]
#
# Manage the widgets
#
grid $tbl -row 0 -rowspan 2 -column 0 -sticky news
if {[string compare $winSys "win32"] == 0} { ;# see option.tcl
grid $vsb -row 0 -rowspan 2 -column 1 -sticky ns
} else {
grid [$tbl cornerpath] -row 0 -column 1 -sticky ew
grid $vsb -row 1 -column 1 -sticky ns
}
grid rowconfigure $tf 1 -weight 1
grid columnconfigure $tf 0 -weight 1
pack $btn -side bottom -pady 10
pack $tf -side top -expand yes -fill both
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