Eskil

proc Fsort {l} {
    lsort -dictionary $l
}

# Compare two files or dirs
# Return true if equal
proc CompareFiles {file1 file2} {
    global Pref
    if {[catch {file lstat $file1 stat1}]} {
        return 0
    }
    if {[catch {file lstat $file2 stat2}]} {
        return 0
    }

        if {$l1 eq $l2} {
            return 1
        }
        file stat $file1 stat1
        file stat $file2 stat2
    }
    # If contents is not checked, same size is enough to be equal
    if {$stat1(size) == $stat2(size) && $Pref(dir,comparelevel) == 0} {
        return 1
    }
    set ignorekey $Pref(dir,ignorekey)
    # Different size is enough when doing binary compare
    if {$stat1(size) != $stat2(size) && $Pref(dir,comparelevel) == 2 \
        && !$ignorekey} {
        return 0
    }
    # Same size and time is always considered equal
    if {$stat1(size) == $stat2(size) && $stat1(mtime) == $stat2(mtime)} {
	return 1
    }
    # Don't check further if contents should not be checked
    if {$Pref(dir,comparelevel) == 0} {
        return 0
    }
    # Don't check further if any is a directory
    if {$isdir1 || $isdir2} {
        # Consider dirs equal until we implement something recursive
	return 1
    }

    switch $Pref(dir,comparelevel) {
        2 -
        1 { # Check contents internally
            set bufsz 65536
            set eq 1
            set ch1 [open $file1 r]
            set ch2 [open $file2 r]
            if {$Pref(dir,comparelevel) == 2} {
                fconfigure $ch1 -translation binary
                fconfigure $ch2 -translation binary
            }
            if {$ignorekey} {
                # Assume that all keywords are in the first block
                set f1 [read $ch1 $bufsz]
                set f2 [read $ch2 $bufsz]

        }
    }
    return $eq
}

# Returns the contents of a directory as a sorted list of full file paths.
proc DirContents {dir} {
    global Pref
    if {$::tcl_platform(platform) eq "windows"} {
        # .-files are not treated specially on windows. * is enough to get all
        set files [glob -directory $dir -nocomplain *]
    } else {
        set files [glob -directory $dir -nocomplain * {.[a-zA-Z]*}]
    }

    if {$Pref(dir,onlyrev)} {
        # FIXA: move to rev and make general for other systems
        set entries [file join $dir CVS Entries]
        if {[file exists $entries]} {
            set ch [open $entries r]
            set data [read $ch]
            close $ch
            foreach line [split $data \n] {

    set files2 {}
    foreach file $files {
        set full $file
        set tail [file tail $file]
        # Apply filters
        if {[FileIsDirectory $full]} {
            if {[llength $Pref(dir,incdirs)] == 0} {
                set allowed 1
            } else {
                set allowed 0
                foreach pat $Pref(dir,incdirs) {
                    if {[string match $pat $tail]} {
                        set allowed 1
                        break
                    }
                }
            }
            if {$allowed} {
                foreach pat $Pref(dir,exdirs) {
                    if {[string match $pat $tail]} {
                        set allowed 0
                        break
                    }
                }
            }
            if {!$allowed} continue
        } else {
            if {[llength $Pref(dir,incfiles)] == 0} {
                set allowed 1
            } else {
                set allowed 0
                foreach pat $Pref(dir,incfiles) {
                    if {[string match $pat $tail]} {
                        set allowed 1
                        break
                    }
                }
            }
            if {$allowed} {
                foreach pat $Pref(dir,exfiles) {
                    if {[string match $pat $tail]} {
                        set allowed 0
                        break
                    }
                }
            }
            if {!$allowed} continue

proc EditFile {file} {
    locateEditor ::util(editor)
    exec $::util(editor) $file &
}

# Pick a directory for compare
proc BrowseDir {dirVar entryW} {
    global Pref
    upvar "#0" $dirVar dir

    set newdir $dir
    while {$newdir != "." && ![FileIsDirectory $newdir]} {
        set newdir [file dirname $newdir]
    }
    set newdir [tk_chooseDirectory -initialdir $newdir -title "Select Directory"]

        } else {
            $tree collapseall
        }
    }

    # Copy a file from one directory to the other
    method CopyFile {node from} {
        global dirdiff Pref

        set lf [$tree rowattrib $node leftfull]
        set rf [$tree rowattrib $node rightfull]
        set parent [$tree parent $node]
        set lp [$tree rowattrib $parent leftfull]
        set rp [$tree rowattrib $parent rightfull]

        if {$rf eq ""} {
            $w.bl configure -state disabled
        }
    }

    # Compare two directories.
    method CompareDirs {dir1 dir2 node} {
        global Pref
        if {$dir1 eq ""} {
            set files1 {}
        } else {
            set files1 [DirContents $dir1]
        }
        if {$dir2 eq ""} {
            set files2 {}

        $win.m add cascade -menu $win.m.mo -label "Preferences" -underline 0
        menu $win.m.mo
        $win.m.mo add command -label "Prefs..." -command makeDirDiffPrefWin
        $win.m.mo add cascade -label "Check" -menu $win.m.mo.mc

        menu $win.m.mo.mc
        $win.m.mo.mc add radiobutton -variable Pref(dir,comparelevel) -value 0 \
                -label "Do not check contents"
        $win.m.mo.mc add radiobutton -variable Pref(dir,comparelevel) -value 1 \
                -label "Normal compare"
        $win.m.mo.mc add radiobutton -variable Pref(dir,comparelevel) -value 2 \
                -label "Exact compare"
        $win.m.mo.mc add checkbutton -variable Pref(dir,ignorekey) \
                -label "Ignore \$Keyword:\$"

        $win.m.mo add cascade -label "Nice" -menu $win.m.mo.mn
        menu $win.m.mo.mn
        $win.m.mo.mn add radiobutton -variable [myvar nice] -value 1 \
                -command [mymethod DoNice] -label 1
        $win.m.mo.mn add radiobutton -variable [myvar nice] -value 50 \

        
        ttk::button $win.bu -image $::img(upup) -command [mymethod UpDir] \
                -underline 0
        addBalloon $win.bu "Up in both."
        bind $win <Alt-u> "$win.bu invoke"
        
        #catch {font delete myfont}
        #font create myfont -family $Pref(fontfamily) -size $Pref(fontsize)

        ttk::entryX $win.e1 -textvariable dirdiff(leftDir) -width 30
        ttk::button $win.bu1 -image $::img(up) -command [mymethod UpDir 1]
        addBalloon $win.bu1 "Up in left."
        ttk::button $win.bb1 -image $::img(browse) \
                -command "[list BrowseDir dirdiff(leftDir) $win.e1]
                          [mymethod DoDirCompare]"

    method DoNice {} {
        $tree nice $nice
    }

    # Go up one level in directory hierarchy.
    # 0 = both
    method UpDir {{n 0}} {
        global dirdiff Pref
        switch $n {
            0 {
                set dirdiff(leftDir) [file dirname $dirdiff(leftDir)]
                set dirdiff(rightDir) [file dirname $dirdiff(rightDir)]
                $win.e1 xview end
                $win.e2 xview end
            }

            set ::TmpPref($item) $::Pref($item)
        }
    }

    wm title $top "Eskil Directory Preferences"

    set check [ttk::labelframe $top.check -text "Check" -padding 3]
    ttk::radiobutton $check.rb1 -variable TmpPref(dir,comparelevel) -value 0 \
            -text "Do not check contents"
    ttk::radiobutton $check.rb2 -variable TmpPref(dir,comparelevel) -value 1 \
            -text "Normal compare"
    ttk::radiobutton $check.rb3 -variable TmpPref(dir,comparelevel) -value 2 \
            -text "Exact compare"
    grid $check.rb1 -sticky w -padx 3 -pady 3
    grid $check.rb2 -sticky w -padx 3 -pady 3
    grid $check.rb3 -sticky w -padx 3 -pady 3
    grid columnconfigure $check {0 1 2} -uniform a -weight 1

    set opts [ttk::labelframe $top.opts -text "Options" -padding 3]
    ttk::checkbutton $opts.cb1 -variable TmpPref(dir,ignorekey) \
            -text "Ignore \$Keyword:\$"
    pack {*}[winfo children $opts] -side top -anchor w 

    set filter [ttk::labelframe $top.filter -text "Filter" -padding 3]
    ttk::label $filter.l1 -text "Include Files" -anchor w
    ttk::entryX $filter.e1 -width 20 -textvariable TmpPref(dir,incfiles)
    ttk::label $filter.l2 -text "Exclude Files" -anchor w
    ttk::entryX $filter.e2 -width 20 -textvariable TmpPref(dir,exfiles)
    ttk::label $filter.l3 -text "Include Dirs" -anchor w
    ttk::entryX $filter.e3 -width 20 -textvariable TmpPref(dir,incdirs)
    ttk::label $filter.l4 -text "Exclude Dirs" -anchor w
    ttk::entryX $filter.e4 -width 20 -textvariable TmpPref(dir,exdirs)
    ttk::checkbutton $filter.cb1 -text "Only revision controlled" \
            -variable TmpPref(dir,onlyrev)
    grid $filter.l1 $filter.e1 -sticky we -padx 3 -pady 3
    grid $filter.l2 $filter.e2 -sticky we -padx 3 -pady 3
    grid $filter.l3 $filter.e3 -sticky we -padx 3 -pady 3
    grid $filter.l4 $filter.e4 -sticky we -padx 3 -pady 3
    grid $filter.cb1 - -sticky w -padx 3 -pady 3
    grid columnconfigure $filter 1 -weight 1