#!/bin/sh
#-*-tcl-*-
#
#	aegis - project change supervisor
#	Copyright (C) 1999, 2000, 2001 Peter Miller;
#	All rights reserved.
#
#	This program is free software; you can redistribute it and/or modify
#	it under the terms of the GNU General Public License as published by
#	the Free Software Foundation; either version 2 of the License, or
#	(at your option) any later version.
#
#	This program is distributed in the hope that it will be useful,
#	but WITHOUT ANY WARRANTY; without even the implied warranty of
#	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#	GNU General Public License for more details.
#
#	You should have received a copy of the GNU General Public License
#	along with this program; if not, write to the Free Software
#	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
#
# MANIFEST: tcl-tk aeca equivalent
#
#	@configure_input@
#
# comments wrap in Tcl, but not in sh \
exec wish $0 ${1+"$@"}

set bindir @bindir@
set libdir @libdir@
set datadir @datadir@

wm title . Aeca
wm iconname . Aeca
wm iconbitmap . @$datadir/aegis.icon
wm iconmask . @$datadir/aegis.mask

proc inform { arg } {
	.info.blurb insert end $arg
	.info.blurb see end
	.info.blurb insert end "\n"
	update
}

proc read_pipe { command errok } {
	set data ""
	set fd [open $command r]
	if { $fd != "" } {
		set data [read $fd]
		set codevar ""
		catch { close $fd } codevar
		if { $codevar != "" && !$errok } {
			inform [format "Command \"%s\"\nreturned \"%s\"" $command $codevar]
		}
	}
	return [string trim $data]
}

proc command_option_menu { w varName cmd firstValue args } {
	upvar #0 $varName var

	if {![info exists var]} {
		set var $firstValue
	}
	menubutton $w \
		-textvariable $varName \
		-indicatoron 1 \
		-menu $w.menu \
		-relief raised \
		-bd 2 \
		-highlightthickness 2 \
		-anchor c \
		-direction flush
	menu $w.menu -tearoff 0
	$w.menu add radiobutton -label $firstValue -variable $varName
	foreach i $args {
		$w.menu add radiobutton -label $i -variable $varName \
			-command $cmd
	}
	return $w.menu
}

proc project_drop_list { } {
	global project_name
	global project_list
	set x [winfo rootx .id.project.button]
	set y [winfo rooty .id.project.button]
	catch { destroy .popup } errcode
	toplevel .popup
	wm overrideredirect .popup 1
	wm geometry .popup +$x+$y
	listbox .popup.list -height 12 -selectmode single \
		-yscrollcommand ".popup.scroll set"
	set pos -1
	foreach pn $project_list {
		if { $pn == $project_name } { set pos [.popup.list size] }
		.popup.list insert end $pn
	}
	if { $pos >= 0 } {
		.popup.list selection set $pos
		.popup.list see $pos
	}
	scrollbar .popup.scroll -command ".popup.list yview"
	pack .popup.scroll -side right -fill y
	pack .popup.list -side left
	bind .popup.list <Double-Button-1> {
		set item [.popup.list curselection]
		if { $item != "" } { set item [.popup.list get $item] }
		if { $item != "" } {
			set project_name $item
			project_name_changed
		}
		destroy .popup
	}
}

proc project_name_changed { } {
	global project_name
	global change_number
	global change_list
	global datadir

	#
	# Ask Aegis for the list of projects names.  We use a specialized
	# report script which emits TCL code to set the project_list
	# variable.  ASSUMES project_name is valid!
	#
	inform [format "Reading project %s change list..." $project_name]
	eval [read_pipe [format "|aereport -f %s/wish/chan_list.rpt -unf\
-pw=1000 -project=%s" $datadir $project_name] 0]

	#
	# Set the change_number variable.  We need to ask Aegis for this,
	# so that we get what *aegis* thinks is the default change number.
	#
	inform [format "Reading project %s default change number..." $project_name]
	set change_number [read_pipe [format "|aegis -list default_change -project=%s" $project_name ] 1 ]
	if { $change_number == "" } {
		set change_number [lindex $change_list 0]
	}

	change_number_changed
	inform "   ...done"
}

proc change_drop_list { } {
	global change_number
	global change_list
	set x [winfo rootx .id.change.button]
	set y [winfo rooty .id.change.button]
	catch { destroy .popup } errcode
	toplevel .popup
	wm overrideredirect .popup 1
	wm geometry .popup +$x+$y
	listbox .popup.list -height 12 -selectmode single \
		-yscrollcommand ".popup.scroll set"
	set pos -1
	foreach cn $change_list {
		if { $cn == $change_number } { set pos [.popup.list size] }
		.popup.list insert end $cn
	}
	if { $pos >= 0 } {
		.popup.list selection set $pos
		.popup.list see $pos
	}
	scrollbar .popup.scroll -command ".popup.list yview"
	pack .popup.scroll -side right -fill y
	pack .popup.list -side left
	bind .popup.list <Double-Button-1> {
		set item [.popup.list curselection]
		if { $item != "" } { set item [.popup.list get $item] }
		if { $item != "" } {
			set change_number $item
			change_number_changed
		}
		destroy .popup
	}
}

proc change_number_changed { } {
	global project_name
	global change_number
	global test_nor test_bas test_reg cause state
	global datadir

	#
	# Ask Aegis for the change attributes
	#
	inform [format "Reading project %s change %s attributes..." $project_name $change_number]
	eval [read_pipe [format "|aereport -f %s/wish/chan_attr.rpt -unf\
-pw=1000 -project=%s -change=%s" $datadir $project_name $change_number] 0]
	#
	# Set the values of the text widgets explicitly,
	# they don't take -textvariable options.
	#
	.bdesc.text delete 1.0 end
	.bdesc.text insert end $brief_description
	.desc.text delete 1.0 end
	.desc.text insert end $description
}

#
# Create the widget heirarchy first
#	so the user has somethign to look at while we fetch
#	the necessary information.
#
frame .id
frame .id.project
label .id.project.label -text "Project:"
pack .id.project.label -side left
button .id.project.button -textvariable project_name -command project_drop_list
pack .id.project.button -side left
pack .id.project -side left
frame .id.change
label .id.change.label -text "Change:"
pack .id.change.label -side left
button .id.change.button -textvariable change_number -command change_drop_list
pack .id.change.button -side left
pack .id.change -side left -padx 20
frame .id.state
label .id.state.label -text "State:"
pack .id.state.label -side left
label .id.state.value -textvariable state
pack .id.state.value -side left
pack .id.state -side left
pack .id -side top -anchor w -pady 5

frame .bdesc
label .bdesc.label -text "Brief Description:"
pack .bdesc.label -side top -anchor w
text .bdesc.text -height 1
pack .bdesc.text -side bottom -fill x
pack .bdesc -fill x

frame .desc
label .desc.label -text "Description:"
pack .desc.label -side top -anchor w
text .desc.text -height 8 -yscrollcommand ".desc.scroll set" -wrap word -spacing3 5
scrollbar .desc.scroll -command ".desc.text yview"
pack .desc.scroll -side right -fill y
pack .desc.text -side bottom -fill both -expand 1
pack .desc -fill both -expand 1

frame .bottom

set test_nor 1
set test_bas 1
set test_reg 1

frame .bottom.tests -relief ridge -width 100 -borderwidth 2
label .bottom.tests.label -text "Testing Required:"
pack .bottom.tests.label -side top -anchor w
checkbutton .bottom.tests.normal -text "Normal (Positive)" -variable test_nor -onvalue 1 -offvalue 0
pack .bottom.tests.normal -side top -anchor w
checkbutton .bottom.tests.baseline -text "Baseline (Negative)" -variable test_bas -onvalue 1 -offvalue 0
pack .bottom.tests.baseline -side top -anchor w
checkbutton .bottom.tests.regression -text "Regression" -variable test_reg -onvalue 1 -offvalue 0
pack .bottom.tests.regression -side top -anchor w
pack .bottom.tests -side left -padx 5 -pady 5 -anchor nw

frame .bottom.control
button .bottom.control.ok -text "OK" -bg "#BFD0BF" -command "do_it"
pack .bottom.control.ok -fill x -pady 5
button .bottom.control.apply -text "Apply" -bg "#BFD0BF" -command "apply_it"
pack .bottom.control.apply -fill x
button .bottom.control.cancel -text "Cancel" -command { exit 1 } -bg "#D0BFBF"
pack .bottom.control.cancel -fill x -pady 5
pack .bottom.control
pack .bottom.control -side right -padx 5

frame .bottom.cause -relief ridge -borderwidth 2
label .bottom.cause.label -text "Cause:"
pack .bottom.cause.label -side top -anchor w
radiobutton .bottom.cause.intbug -text "Internal Bug" -value "internal_bug" -variable cause -anchor w
pack .bottom.cause.intbug -side top -anchor w
radiobutton .bottom.cause.intenh -text "Internal Enhancement" -value "internal_enhancement" -variable cause -anchor w
pack .bottom.cause.intenh -side top -anchor w
radiobutton .bottom.cause.intimp -text "Internal Improvement" -value "internal_improvement" -variable cause -anchor w
pack .bottom.cause.intimp -side top -anchor w
radiobutton .bottom.cause.extbug -text "External Bug" -value "external_bug" -variable cause -anchor w
pack .bottom.cause.extbug -side top -anchor w
radiobutton .bottom.cause.extenh -text "External Enhancement" -value "external_enhancement" -variable cause -anchor w
pack .bottom.cause.extenh -side top -anchor w
radiobutton .bottom.cause.extimp -text "External Improvement" -value "external_improvement" -variable cause -anchor w
pack .bottom.cause.extimp -side top -anchor w
radiobutton .bottom.cause.chain -text "Chain Defect" -value "chain" -variable cause -anchor w
pack .bottom.cause.chain -side top -anchor w
pack .bottom.cause -side left -anchor nw -pady 5

pack .bottom -fill x

frame .info
text .info.blurb -height 3 -yscrollcommand ".info.scroll set" -wrap word -borderwidth 1
scrollbar .info.scroll -command ".info.blurb yview" -borderwidth 1
pack .info.scroll -side right -fill y
pack .info.blurb -side left -fill both -expand 1
pack .info -side bottom -fill both -expand 1

#
# Ask Aegis for the list of projects names.  We use a specialized report
# script which emits TCL code to set the project_list variable.
#
inform "Reading list of projects..."
eval [read_pipe [format "|aereport -f %s/wish/proj_list.rpt -unf\
-pw=1000" $datadir] 0]

#
# Set the project_name variable.  We need to ask Aegis for this, so that
# we get what *aegis* thinks is the default project name.
#
inform "Reading default project..."
set project_name [read_pipe "|aegis -list default_project" 1]
if { $project_name == "" } { set project_name [lindex $project_list 0] }

project_name_changed

set errorCode 0

proc apply { } {
	global brief_description description cause
	global test_nor test_bas test_reg
	global project_name change_number
	global errorCode

	set filename [format "/tmp/tkaeca-%d" [pid]]
	set errcode ""
	catch { set fd [open $filename w 0600] } errcode
	if { $fd == "" } {
		inform [format "Open %s: %s" $filename $errcode]
		set errorCode 1
		return
	}

	set brief_description [.bdesc.text get 1.0 end]
	set description [.desc.text get 1.0 end]
	set tmp $brief_description
	regsub -all {[\\"]} $tmp {\\&} tmp
	regsub -all \n $tmp \\n\\\n tmp
	puts $fd [format "brief_description = \"%s\";" $tmp]
	set tmp $description
	regsub -all {[\\"]} $tmp {\\&} tmp
	regsub -all \n $tmp \\n\\\n tmp
	puts $fd [format "description = \"%s\";" $tmp]
	puts $fd [format "cause = %s;" $cause]
	if { $test_nor } then { puts $fd "test_exempt = false;" } else { puts $fd "test_exempt = true;" }
	if { $test_bas } then { puts $fd "test_baseline_exempt = false;" } else { puts $fd "test_baseline_exempt = true;" }
	if { $test_reg } then { puts $fd "regression_test_exempt = false;" } else { puts $fd "regression_test_exempt = true;" }
	close $fd

	inform [format "Setting project %s change %s attributes..." $project_name $change_number]
	set command [list aegis -ca -f $filename -p $project_name -c $change_number]
	inform [format "Command = \"%s\"" $command]
	set errcode ""
	set errorCode 0
	catch { eval exec $command } errcode
	set errorCode2 $errorCode
	catch { exec rm -f $filename } errcode2
	if { $errorCode != 0 } {
		inform $errcode
	} {
		inform "   ...done"
	}
	set errorCode $errorCode2
}

proc do_it { } {
	global errorCode
	apply
	if { $errorCode == 0 } {
		exit 0
	}
}

proc apply_it { } {
	apply
}