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# RCS: @(#) $Id: textvariable.tcl,v 1.6 2006/11/23 22:24:56 treectrl Exp $

proc DemoTextvariable {} {

	set T [DemoList]

	#
	# Configure the treectrl widget
	#

	$T configure -showroot no -showbuttons no -showlines no \
		-selectmode extended -xscrollincrement 20 \
		-yscrollincrement 10 -showheader yes
if {!$::clip} {
	# Hide the borders because child windows appear on top of them
	$T configure -borderwidth 0 -highlightthickness 0
}
	#
	# Create columns
	#

	$T column create -text "Resize Me!" -justify center -tags C0
	$T configure -treecolumn C0

	#
	# Create elements
	#

	$T element create eWindow window
	$T element create eRect rect
	$T element create eText1 text -width 300
	$T element create eText2 text -wrap none

	#
	# Create styles using the elements
	#

	set S [$T style create s1 -orient horizontal]
	$T style elements $S eText1
	$T style layout $S eText1 -padx 10 -pady 6 -squeeze x

	set S [$T style create s2 -orient vertical]
	$T style elements $S {eRect eText2 eWindow}
	$T style layout $S eRect -union {eText2 eWindow} -ipadx 8 -ipady 8 -padx 4 -pady {0 4}
	$T style layout $S eText2 -pady {0 6} -squeeze x
	$T style layout $S eWindow -iexpand x -squeeze x

	#
	# Create items and assign styles
	#

	set I [$T item create]
	$T item style set $I C0 s1
	$T item element configure $I C0 eText1 -text "Each text element and entry widget share the same -textvariable. Editing the text in the entry automatically updates the text element."
	$T item lastchild root $I

	foreach i {0 1} color {gray75 "light blue"} {
		set I [$T item create]
		$T item style set $I C0 s2
if {$::clip} {
		set clip [frame $T.clip$I -borderwidth 0]
		set e [$::entryCmd $clip.e -width 48 -textvariable tvar$I]
		$T item element configure $I C0 \
			eRect -fill [list $color] + \
			eText2 -textvariable tvar$I + \
			eWindow -window $clip -clip yes
} else {
		set e [$::entryCmd $T.e$I -width 48 -textvariable tvar$I]
		$T item element configure $I C0 \
			eRect -fill [list $color] + \
			eText2 -textvariable tvar$I + \
			eWindow -window $e
}
		$T item lastchild root $I
		set ::tvar$I "This is item $I"
	}

	return
}