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namespace eval ::utils::date {}
# ::utils::date::today:
# Returns todays date, in "yyyy.mm.dd" format.
# The optional parameter "year", "month" or "day" can be used to
# limit the returned value to just the year, month or day.
#
proc ::utils::date::today {{type all}} {
set timeNow [clock seconds]
set year [clock format $timeNow -format "%Y"]
set month [clock format $timeNow -format "%m"]
set day [clock format $timeNow -format "%d"]
switch -- $type {
"all" { return [format "%s.%s.%s" $year $month $day] }
"year" { return $year }
"month" { return $month }
"day" { return $day }
default { error "Unrecognised parameter: $type" }
}
}
image create photo ::utils::date::calendar -data {
R0lGODdhFgAUAMIAANnZ2VFR+wAAAP////oTQP//AAAAAAAAACwAAAAAFgAUAAADTwi63A4h
yklrVAFruDO0lCCO5NMIw4CqqWAya9ySdG3LbI7He+vrsxthSLiJfitCoUBAzpwDJRNqFBCL
RqpW1QN6q+DRdrfomsvh2mvtSAAAOw==
}
# ::utils::date::chooser
#
# Produce a date-selection dialog box.
# Originally based on code from Effective Tcl/Tk Programming by
# Mark Harrison, but with lots of changes and improvements.
#
proc ::utils::date::chooser {{date "now"}} {
set time [clock seconds]
if {$date != "now"} {
catch {set time [clock scan $date]}
}
set ::utils::date::_time $time
set ::utils::date::_selected [clock format $time -format "%Y-%m-%d"]
set win .dateChooser
toplevel $win
canvas $win.cal -width 300 -height 220
pack [frame $win.b] -side bottom -fill x
button $win.b.ok -text "OK" -command "destroy $win"
button $win.b.cancel -text $::tr(Cancel) -command "
set ::utils::date::_selected {}
destroy $win"
pack $win.b.cancel $win.b.ok -side right -padx 5 -pady 5
pack $win.cal -side top -expand yes -fill both
button $win.cal.prevY -image tb_start -command "::utils::date::_month $win -12"
button $win.cal.prev -image tb_prev -command "::utils::date::_month $win -1"
button $win.cal.next -image tb_next -command "::utils::date::_month $win +1"
button $win.cal.nextY -image tb_end -command "::utils::date::_month $win +12"
bind $win.cal <Configure> "::utils::date::_redraw $win"
bind $win.cal <Double-Button-1> "destroy $win"
bind $win <Escape> "$win.b.cancel invoke"
bind $win <Return> "$win.b.ok invoke"
bind $win <Prior> "$win.cal.prev invoke"
bind $win <Next> "$win.cal.next invoke"
bind $win <Shift-Prior> "$win.cal.prevY invoke"
bind $win <Shift-Next> "$win.cal.nextY invoke"
bind $win <Up> "::utils::date::_day $win -7"
bind $win <Down> "::utils::date::_day $win +7"
bind $win <Left> "::utils::date::_day $win -1"
bind $win <Right> "::utils::date::_day $win +1"
wm minsize $win 250 200
wm title $win "Scid: Choose Date"
focus $win
grab $win
tkwait window $win
if {$::utils::date::_selected == ""} { return {} }
set time [clock scan $::utils::date::_selected]
return [list \
[clock format $time -format "%Y"] \
[clock format $time -format "%m"] \
[clock format $time -format "%d"] \
]
}
proc ::utils::date::_day {win delta} {
set unit "day"
if {$delta < 0} {set unit "day ago"}
set time [clock scan "[expr abs($delta)] $unit" -base $::utils::date::_time]
set day [string trimleft [clock format $time -format "%d"] 0]
set month [string trimleft [clock format $time -format "%m"] 0]
set year [clock format $time -format "%Y"]
::utils::date::_select $win "$year-$month-$day"
}
proc ::utils::date::_month {win delta} {
set dir [expr {($delta > 0) ? 1 : -1} ]
set day [string trimleft [clock format $::utils::date::_time -format "%d"] 0]
set month [string trimleft [clock format $::utils::date::_time -format "%m"] 0]
set year [clock format $::utils::date::_time -format "%Y"]
for {set i 0} {$i < abs($delta)} {incr i} {
incr month $dir
if {$month < 1} {
set month 12
incr year -1
} elseif {$month > 12} {
set month 1
incr year 1
}
}
if {[catch {::date::_select $win "$year-$month-$day"}]} {
::utils::date::_select $win "$year-$month-28"
}
}
proc ::utils::date::_redraw {win} {
$win.cal delete all
set time $::utils::date::_time
set wmax [winfo width $win.cal]
set hmax [winfo height $win.cal]
$win.cal create window 3 3 -anchor nw -window $win.cal.prevY
$win.cal create window 40 3 -anchor nw -window $win.cal.prev
$win.cal create window [expr {$wmax-43} ] 3 -anchor ne -window $win.cal.next
$win.cal create window [expr {$wmax-3} ] 3 -anchor ne -window $win.cal.nextY
set bottom [lindex [$win.cal bbox all] 3]
set month [string trimleft [clock format $time -format "%m"] 0]
set year [clock format $time -format "%Y"]
$win.cal create text [expr {$wmax/2} ] $bottom -anchor s -font font_Bold \
-text "[lindex $::tr(Months) [expr $month - 1]] $year"
incr bottom 3
$win.cal create line 0 $bottom $wmax $bottom -width 2
incr bottom 25
set current ""
set layout [::utils::date::_layout $time]
set weeks [expr {[lindex $layout end]+1} ]
for {set day 0} {$day < 7} {incr day} {
set x0 [expr {$day*($wmax-7)/7+3} ]
set x1 [expr {($day+1)*($wmax-7)/7+3} ]
$win.cal create text [expr {($x1+$x0)/2} ] $bottom -anchor s \
-text [lindex $::tr(Days) $day] -font font_Small
}
incr bottom 3
foreach {day date dcol wrow} $layout {
set x0 [expr {$dcol*($wmax-7)/7+3} ]
set y0 [expr {$wrow*($hmax-$bottom-4)/$weeks+$bottom} ]
set x1 [expr {($dcol+1)*($wmax-7)/7+3} ]
set y1 [expr {($wrow+1)*($hmax-$bottom-4)/$weeks+$bottom} ]
if {$date == $::utils::date::_selected} {set current $date}
$win.cal create rectangle $x0 $y0 $x1 $y1 -outline black -fill white
$win.cal create text [expr {$x0+4} ] [expr {$y0+2} ] -anchor nw -text "$day" \
-fill black -font font_Small -tags [list $date-text all-text]
$win.cal create rectangle $x0 $y0 $x1 $y1 \
-outline "" -fill "" -tags [list $date-sensor all-sensor]
$win.cal bind $date-sensor <ButtonPress-1> "::utils::date::_select $win $date"
}
if {$current != ""} {
$win.cal itemconfigure $current-sensor -outline red -width 3
$win.cal raise $current-sensor
} elseif {$::utils::date::_selected == ""} {
set date [clock format $time -format "%Y-%m-%d"]
::utils::date::_select $win $date
}
}
proc ::utils::date::_layout {time} {
set month [string trimleft [clock format $time -format "%m"] 0]
set year [clock format $time -format "%Y"]
foreach lastday {31 30 29 28} {
if {[catch {clock scan "$year-$month-$lastday"}] == 0} { break }
}
set seconds [clock scan "$year-$month-1"]
set firstday [clock format $seconds -format %w]
set weeks [expr {ceil(double($lastday+$firstday)/7)} ]
set rlist ""
for {set day 1} {$day <= $lastday} {incr day} {
set seconds [clock scan "$year-$month-$day"]
set date [clock format $seconds -format "%Y-%m-%d"]
set daycol [clock format $seconds -format %w]
set weekrow [expr {($firstday+$day-1)/7} ]
lappend rlist $day $date $daycol $weekrow
}
return $rlist
}
proc ::utils::date::_select {win date} {
set time [clock scan $date]
set date [clock format $time -format "%Y-%m-%d"]
set currentMonth [clock format $::utils::date::_time -format "%m %Y"]
set selectedMonth [clock format $time -format "%m %Y"]
set ::utils::date::_time $time
set ::utils::date::_selected $date
if {$currentMonth == $selectedMonth} {
$win.cal itemconfigure all-sensor -outline "" -width 1
$win.cal itemconfigure $date-sensor -outline red -width 3
$win.cal raise $date-sensor
} else {
::utils::date::_redraw $win
}
}
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