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htmlCustom.tcl
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#=============================================================================
#
# htmlCustom.tcl
#
# Part of HTML mode 1.4.1
#
# HTML custom elements.
#
# Copyright 1996, 1997 by Johan Linde <jl@theophys.kth.se>.
# This software may be used freely, and distributed freely, as long as
# the receiver is not obligated in any way by receiving it.
#
# If you make improvements to this file, please share them!
#
#=============================================================================
#
# Defining new HTML elements.
#
proc htmlCustomNewElem {} {
global htmlElemAttrOptional1 htmlURLAttr htmlColorAttr htmlWindowAttr htmlElemAttrUsed
global PREFS htmlElemAttrRequired1 htmlElemAttrChoices1 htmlElemAttrNumber1
global htmlElemEventHandler1 htmlElemProc htmlElemKeyBinding htmlPlugins htmlElemAttrMore
global HTMLmodeVars specURL specColor specWindow htmlSpecURL htmlSpecColor htmlSpecWindow
global htmlVersion htmlShownWarning htmlAdditionExist htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
set invalidInput 1
set values {"" 1 1 0 0 "" 0 0 0 0}
while {$invalidInput} {
set box "-t {New element} 10 10 100 25 -e [list [lindex $values 0]] 110 10 250 25 \
-c {Has closing tag} [lindex $values 1] 10 40 150 55 \
-t {Element type} 10 80 100 95 -r Normal [lindex $values 2] 10 100 100 115 \
-r {INPUT element with TYPE given above} [lindex $values 3] 10 120 300 135 \
-r {Plug-in} [lindex $values 4] 10 140 100 155 \
-t {Key binding} 10 180 90 195 -e [list [lindex $values 5]] 100 180 120 195 \
-c Shift [lindex $values 6] 10 210 60 225 \
-c Control [lindex $values 7] 80 210 150 225 \
-c Option [lindex $values 8] 160 210 220 225 \
-c Command [lindex $values 9] 230 210 320 225 \
-b OK 20 240 85 260 -b Cancel 105 240 170 260"
set values [eval [concat dialog -w 340 -h 270 $box]]
if {[lindex $values 11]} {return}
set element [string toupper [string trim [lindex $values 0]]]
set closingTag [lindex $values 1]
if {[lindex $values 2]} {
set elemType normal
} elseif {[lindex $values 3]} {
set elemType input
} else {
set elemType plugin
}
set elemKey [string toupper [string trim [lindex $values 5]]]
set keyStr ""
if {[lindex $values 6]} {append keyStr "<U"}
if {[lindex $values 7]} {append keyStr "<B"}
if {[lindex $values 8]} {append keyStr "<I"}
if {[lindex $values 9]} {append keyStr "<O"}
# Check that input is ok.
if {![string length $element]} {
alertnote "You must specify the element."
} elseif {[info exists htmlElemAttrOptional1($element)]} {
alertnote "The element $element is already defined."
return
} elseif {![regexp {^[-_a-zA-Z0-9]+$} $element]} {
alertnote "Invalid characters in element name. For example, it may not contain spaces."
} elseif {[string length $elemKey] > 1} {
alertnote "You should only give one character for key binding."
} elseif {[string length $elemKey] && ($keyStr == "" || $keyStr == "<U")} {
alertnote "You must choose at least one of the modifiers control, option and command when you define a key binding."
} else {
set invalidInput 0
}
}
if {![string length $elemKey]} {
set keyStr ""
} else {
set elemKey "/$elemKey"
}
# Get the attributes
set allattributes [htmlGetCustomAttrs $element {}]
if {![string length $allattributes]} {return}
set optional [lindex $allattributes 0]
set AttrRequired [lindex $allattributes 1]
set AttrNumber [lindex $allattributes 2]
set AttrChoices [lindex $allattributes 3]
set EventHandler [lindex $allattributes 4]
set URL [lindex $allattributes 5]
set Color [lindex $allattributes 6]
set Window [lindex $allattributes 7]
# Get the layout.
if {$elemType != "normal" || !$closingTag} {
set customproc [htmlSetCustProc1 {0 0} $elemType $element]
} else {
set customproc [htmlSetCustProc2 {1 0 0 0} $element]
}
if {![string length $customproc]} {return}
# Save the element
message "Saving new element…"
set isfile [file exists $PREFS:HTMLadditions.tcl]
if {![file exists $PREFS]} {mkdir $PREFS}
set fid [open $PREFS:HTMLadditions.tcl a+]
if {!$isfile} {puts $fid $htmlVersion}
puts $fid "$element \{set htmlElemKeyBinding($element) [list $keyStr$elemKey]\}"
set htmlElemKeyBinding($element) $keyStr$elemKey
puts $fid "$element \{set htmlElemProc($element) [list $customproc]\}"
set htmlElemProc($element) $customproc
foreach rcne [list AttrRequired AttrChoices AttrNumber EventHandler] {
if {[llength [set $rcne]]} {
puts $fid "$element \{set htmlElem${rcne}1($element) [list [set $rcne]]\}"
set htmlElem${rcne}1($element) [set $rcne]
}
}
# Remove possible old versions of htmlElemAttrUsed and htmlElemAttrMore
if {[info exists htmlElemAttrUsed($element)]} {
unset htmlElemAttrUsed($element)
removeArrDef htmlElemAttrUsed $element
}
if {[info exists htmlElemAttrMore($element)]} {
unset htmlElemAttrMore($element)
removeArrDef htmlElemAttrMore $element
}
puts $fid "$element \{set htmlElemAttrOptional1($element) [list $optional]\}"
set htmlElemAttrOptional1($element) $optional
foreach ucw [list URL Color Window] {
if {[llength [set $ucw]]} {
foreach a [set $ucw] {
puts $fid "$element \{lappend html${ucw}Attr $a\}"
lappend html${ucw}Attr $a
}
}
}
if {$elemType == "plugin"} {
puts $fid "$element \{lappend htmlPlugins $element\}"
lappend htmlPlugins $element
}
foreach ucw [list URL Color Window] {
if {[llength [set spec$ucw]]} {
puts $fid "$element \{lappend htmlSpec$ucw [set spec$ucw]\}"
append htmlSpec$ucw " " [set spec$ucw]
}
}
close $fid
message "Inserting new element in menu…"
set htmlAdditionExist 1
htmlBuildMenu
if {$HTMLmodeVars(JavaScriptColoring)} {
regModeKeywords -a -k $HTMLmodeVars(tagColor) \
HTML [concat "<$element" "/$element" $AttrRequired $optional]
}
message "Done."
if {!$HTMLmodeVars(useBigWindows) && [llength $optional]} {htmlUseAttrs $element}
unset specURL
unset specColor
unset specWindow
}
# Get attributes to custom element.
proc htmlGetCustomAttrs {element allattrs {nomore 1}} {
global htmlURLAttr htmlColorAttr htmlWindowAttr
global specURL specColor specWindow
set allHTMLattrs [htmlGetAllAttrs]
set optional {}
set AttrRequired {}
set AttrChoices {}
set AttrNumber {}
set EventHandler {}
set URL {}
set Color {}
set Window {}
set specURL {}
set specColor {}
set specWindow {}
set i 0
set dispAttr $allattrs
while {1} {
incr i
if {[catch {htmlCustomInpAttr $element $i $dispAttr $nomore} attribute]} {
if {$attribute != "Remove last!"} {return}
set toremove [lindex $dispAttr [expr [llength $dispAttr] - 1]]
set dispAttr [lreplace $dispAttr [expr [llength $dispAttr] - 1] [expr [llength $dispAttr] - 1]]
set allattrs [lreplace $allattrs [expr [llength $allattrs] - 1] [expr [llength $allattrs] - 1]]
set elemrm [lindex $toremove 0]
if {[lindex $toremove 1] == "(Flag)"} {
if {[set ind [lsearch -exact $AttrRequired $elemrm]] >=0} {
set AttrRequired [lreplace $AttrRequired $ind $ind]
} elseif {[set ind [lsearch -exact $optional $elemrm]] >=0} {
set optional [lreplace $optional $ind $ind]
}
} else {
foreach l [list optional AttrRequired AttrChoices AttrNumber EventHandler URL Color Window] {
set tmp {}
foreach m [set $l] {
if {![string match "${elemrm}=*" $m]} {
lappend tmp $m
}
}
set $l $tmp
}
}
foreach l [list URL Color Window] {
if {[set where [lsearch -exact [set spec$l] "${element}=[string trimright $elemrm =]"]] >= 0 || \
[set where [lsearch -exact [set spec$l] "${element}!=[string trimright $elemrm =]"]] >= 0} {
set spec$l [lreplace [set spec$l] $where $where]
}
}
incr i -2
continue
}
if {![string length $attribute]} {break}
if {[lsearch -exact [string toupper $allattrs] [string toupper [lindex $attribute 0]]] >= 0} {
alertnote "$element already has an attribute '[lindex $attribute 0]'."
incr i -1
} else {
if {[catch {htmlCustomAttrFix $element [lindex $attribute 0] \
[lindex $attribute 1] $allHTMLattrs} thisattr]} {
incr i -1
continue
}
lappend allattrs [string trimright [lindex $thisattr 0] =]
set attr [lindex $thisattr 0]
set thistype [lindex $thisattr 1]
if {[lindex $attribute 2]} {
lappend AttrRequired $attr
} elseif {$thistype != "Event handler"} {
lappend optional $attr
} else {
lappend EventHandler $attr
}
set attrext [expr ([lsearch -exact $allHTMLattrs $attr] >= 0 || [lsearch -exact $allHTMLattrs [string trimright $attr =]] >= 0)]
if {$thistype == "Choices"} {
foreach c [lindex $thisattr 2] {
lappend AttrChoices "$attr$c"
}
} elseif {$thistype == "Number"} {
lappend AttrNumber "$attr[lindex $thisattr 2]"
} elseif {$thistype == "URL" && [lsearch -exact $htmlURLAttr $attr] < 0 && !$attrext} {
lappend URL $attr
} elseif {$thistype == "Color" && [lsearch -exact $htmlColorAttr $attr] < 0 && !$attrext} {
lappend Color $attr
} elseif {$thistype == "Window" && [lsearch -exact $htmlWindowAttr $attr] < 0 && !$attrext} {
lappend Window $attr
}
lappend dispAttr "[string trimright $attr =] (${thistype})"
}
}
return [list $optional $AttrRequired $AttrNumber $AttrChoices $EventHandler $URL $Color $Window]
}
# Dialog for giving a new attribute.
proc htmlCustomInpAttr {element num allattrs nomore} {
set typeList [list Other Number Choices Flag URL Color Window {Event handler}]
set values {0 0 {} Other 0}
set invalidInput 1
while {$invalidInput} {
set box "-t {Attribute $num for $element} 10 10 330 25 \
-e [list [lindex $values 2]] 10 40 150 55 \
-t Type: 170 40 205 55 \
-m [list [concat [list [lindex $values 3]] $typeList]] \
210 40 330 55 -c Required [lindex $values 4] 10 70 130 85"
if {$num > 1} {append box " -b {Remove last} 340 100 450 120"}
if {$nomore || $num > 1} {append box " -b {No more attributes} 340 70 480 90"}
set wi 10
set ht 120
if {[llength $allattrs]} {
append box " -t {All attributes} 10 100 200 115"
foreach ch $allattrs {
append box " -t [list $ch] $wi $ht [expr $wi + 195] [expr $ht + 15]"
incr wi 200
if {$wi == 410} {
set wi 10
incr ht 20
}
}
}
if {$wi == 210} {incr ht 20}
if {$ht < 130} {set ht 130}
set values [eval [concat dialog -w 490 -h $ht \
-b OK 340 10 405 30 -b Cancel 340 40 405 60 $box]]
if {[lindex $values 1]} {
error "Cancel"
} elseif {$num > 1 && [lindex $values 5]} {
error "Remove last!"
} elseif {[lindex $values 0]} {
set thisattr [string trim [lindex $values 2]]
set thistype [lindex $values 3]
if {$thistype != "Event handler"} {set thisattr [string toupper $thisattr]}
set required [lindex $values 4]
if {![regexp {^[-_a-zA-Z0-9]*$} $thisattr]} {
alertnote "Invalid characters in attribute. For example, it may not contain spaces."
} elseif {[string length $thisattr]} {
if {$required && $thistype == "Event handler"} {
alertnote "Event handlers cannot be required attributes. It will be optional."
set required 0
}
set invalidInput 0
}
} else {
return
}
}
return [list $thisattr $thistype $required]
}
# Dialogs to give more info about new attributes.
proc htmlCustomAttrFix {element attr type allHTMLattrs {allchoices ""}} {
global htmlURLAttr htmlColorAttr htmlWindowAttr
global specURL specColor specWindow
# Check for special case with URL etc. if not called from htmlCustomNewChoice
# (then allchoices has length >0)
foreach ucw [list URL Color Window] {
if {[lsearch -exact [set html${ucw}Attr] "$attr="] >= 0 && $type != $ucw && ![llength $allchoices]} {
lappend spec$ucw "$element!=$attr"
}
}
switch $type {
Other {return [list "$attr=" $type]}
Number {
set values {0 0 0 {} 0}
while {1} {
set box "-t {Range for $attr} 60 10 290 25 -t {Minvalue:} 10 40 100 55 \
-e [list [lindex $values 2]] 110 40 130 55 -t {Maxvalue:} 150 40 240 55 \
-e [list [lindex $values 3]] 250 40 270 55 -c {Value may be given in percent} \
[lindex $values 4] 10 65 250 80"
set values [eval [concat dialog -w 300 -h 120 \
-b OK 20 90 85 110 -b Cancel 105 90 170 110 $box]]
set min [string trim [lindex $values 2]]
set max [string trim [lindex $values 3]]
set percent [lindex $values 4]
if {[lindex $values 1]} {
error "Cancel"
} elseif {[lindex $values 0]} {
if {![htmlIsInteger $min]} {
alertnote "A minimum value must be specified."
} elseif {[string length $max] && ![htmlIsInteger $max]} {
alertnote "Not a valid number for maximum value."
} elseif {[string length $max] && $max < $min} {
alertnote "Maxvalue is smaller than minvalue."
} else {
break
}
}
}
set number "$min:"
if {[string length $max]} {
append number "$max:"
} else {
append number "i:"
}
if {$percent} {
append number "%"
} else {
append number "n"
}
return [list "$attr=" $type $number]
}
Choices {
set i 0
set choices {}
while {1} {
incr i
set values {0 0 {}}
set invalidInput 1
while {$invalidInput} {
set box "-t {Choice $i for $attr} 10 10 210 25 \
-e [list [lindex $values 2]] 10 40 200 55"
if {$i > 1} {append box " -b {No more choices} 220 70 340 90 -b {Remove last} 220 100 340 120"}
set wi 10
set ht 90
if {[llength $allchoices]} {
append box " -t {All choices} 10 70 200 85"
foreach ch $allchoices {
append box " -t $ch $wi $ht [expr $wi + 95] [expr $ht + 15]"
incr wi 100
if {$wi == 210} {
set wi 10
incr ht 20
}
}
}
if {$wi == 110} {incr ht 20}
if {$ht < 130} {set ht 130}
set values [eval [concat dialog -w 350 -h $ht \
-b OK 220 10 285 30 -b Cancel 220 40 285 60 \
$box]]
if {[lindex $values 1]} {
error "Cancel"
} elseif {$i > 1 && [lindex $values 3] } {
return [list "$attr=" $type $choices]
} elseif {$i > 1 && [lindex $values 4]} {
incr i -1
set choices [lreplace $choices [expr [llength $choices] - 1] [expr [llength $choices] - 1]]
set allchoices [lreplace $allchoices [expr [llength $allchoices] - 1] [expr [llength $allchoices] - 1]]
} elseif {[lindex $values 0]} {
set thischoice [string toupper [string trim [lindex $values 2]]]
if {![regexp {^[-_a-zA-Z0-9]*$} $thischoice]} {
alertnote "Invalid characters in choice. For example, it may not contain spaces."
} elseif {[string length $thischoice]} {
if {[lsearch -exact $allchoices $thischoice] >=0 } {
alertnote "$attr already has a choice '$thischoice'."
} else {
set invalidInput 0
}
}
}
}
lappend choices $thischoice
lappend allchoices $thischoice
}
}
Flag {return [list $attr $type]}
URL {
if {[lsearch -exact $htmlURLAttr "$attr="] < 0 && ([lsearch -exact $allHTMLattrs "$attr="] >= 0
|| [lsearch -exact $allHTMLattrs $attr] >= 0)} {
lappend specURL "${element}=$attr"
}
return [list "$attr=" $type]
}
Color {
if {[lsearch -exact $htmlColorAttr "$attr="] < 0 && ([lsearch -exact $allHTMLattrs "$attr="] >= 0
|| [lsearch -exact $allHTMLattrs $attr] >= 0)} {
lappend specColor "${element}=$attr"
}
return [list "$attr=" $type]
}
Window {
if {[lsearch -exact $htmlWindowAttr "$attr="] < 0 && ([lsearch -exact $allHTMLattrs "$attr="] >= 0
|| [lsearch -exact $allHTMLattrs $attr] >= 0)} {
lappend specWindow "${element}=$attr"
}
return [list "$attr=" $type]
}
"Event handler" {
return [list "$attr=" $type]
}
}
}
proc htmlSetCustProc1 {values elemType element} {
set box "-t {Layout} 80 10 180 25 \
-c {Always a new line before tag.} [lindex $values 0] 10 40 225 55 \
-c {Always a new line after tag.} [lindex $values 1] 10 60 225 75 \
-b OK 20 90 85 110 -b Cancel 105 90 170 110"
set values [eval [concat dialog -w 230 -h 120 $box]]
if {[lindex $values 3]} {return}
switch $elemType {
normal {set customproc "htmlBuildOpening $element"}
input {set customproc "htmlBuildInputElem $element"}
plugin {set customproc "htmlBuildOpening EMBED"}
}
lappend customproc [lindex $values 0] [lindex $values 1]
if {$elemType == "plugin"} {lappend customproc $element}
return $customproc
}
proc htmlSetCustProc2 {values element} {
set box "-t {Layout} 80 10 180 25 \
-r {text<TAG>text</TAG>text} [lindex $values 0] 10 40 200 60 \
-r {text\r<TAG>text</TAG>\rtext} [lindex $values 1] 10 70 150 130 \
-r {blank line\r<TAG>text</TAG>\rblank line} [lindex $values 2] 10 140 150 200 \
-r {blank line\r<TAG>\rtext\r</TAG>\rblank line} [lindex $values 3] 10 210 150 310"
set values [eval [concat dialog -w 200 -h 350 \
-b OK 20 320 85 340 -b Cancel 105 320 170 340 $box]]
if {[lindex $values 1]} {return}
if {[lindex $values 2]} {set customproc "htmlBuildElem $element"}
if {[lindex $values 3]} {set customproc "htmlBuildCRElem $element"}
if {[lindex $values 4]} {set customproc "htmlBuildCRElem $element 1"}
if {[lindex $values 5]} {set customproc "htmlBuildCR2Elem $element"}
return $customproc
}
# Add new attributes to an element.
proc htmlCustomNewAttr {} {
global htmlElemAttrOptional1 htmlURLAttr htmlColorAttr htmlWindowAttr htmlElemKeyBinding
global PREFS htmlElemAttrRequired1 htmlElemAttrChoices1 htmlElemAttrNumber1
global htmlElemEventHandler1 HTMLmodeVars htmlSpecURL htmlSpecColor htmlSpecWindow
global specURL specColor specWindow htmlVersion htmlShownWarning htmlAdditionExist htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {[catch {listpick -p "Select element to add attributes to." \
[lsort [array names htmlElemAttrOptional1]]} element] || \
![string length $element]} {return}
set allattrs {}
foreach e [htmlGetRequired $element] {
lappend allattrs [string trimright $e =]
}
foreach e [htmlGetOptional $element] {
lappend allattrs [string trimright $e =]
}
if {[info exists htmlElemEventHandler1($element)]} {
foreach e $htmlElemEventHandler1($element) {
lappend allattrs [string trimright $e =]
}
}
set attributes [htmlGetCustomAttrs $element $allattrs 0]
if {![string length [join $attributes ""]]} {return}
set AttrOptional [lindex $attributes 0]
set AttrRequired [lindex $attributes 1]
set AttrNumber [lindex $attributes 2]
set AttrChoices [lindex $attributes 3]
set EventHandler [lindex $attributes 4]
set URL [lindex $attributes 5]
set Color [lindex $attributes 6]
set Window [lindex $attributes 7]
if {[regexp { } $element]} {
set arg "\[list $element\]"
} else {
set arg $element
}
if {![llength [htmlGetOptional $element]]} {
set rmenu 1
} else {
set rmenu 0
}
# Save the element
message "Saving new attributes…"
set isfile [file exists $PREFS:HTMLadditions.tcl]
if {![file exists $PREFS]} {mkdir $PREFS}
set fid [open $PREFS:HTMLadditions.tcl a+]
if {!$isfile} {puts $fid $htmlVersion}
foreach rcne [list AttrRequired AttrChoices AttrNumber EventHandler AttrOptional] {
if {[string length [set $rcne]]} {
puts $fid "[list $element] \{lappend htmlElem${rcne}1($arg) [set $rcne]\}"
append htmlElem${rcne}1($element) " " [set $rcne]
}
}
foreach ucw [list URL Color Window] {
if {[string length [set $ucw]]} {
foreach a [set $ucw] {
puts $fid "[list $element] \{lappend html${ucw}Attr $a\}"
lappend html${ucw}Attr $a
}
}
}
foreach ucw [list URL Color Window] {
if {[llength [set spec$ucw]]} {
puts $fid "[list $element] \{lappend htmlSpec$ucw [set spec$ucw]\}"
append htmlSpec$ucw " " [set spec$ucw]
}
}
close $fid
set htmlAdditionExist 1
htmlEnableExtend [info exists htmlElemKeyBinding] $htmlAdditionExist
if {$rmenu} {htmlBuildMenu}
if {$HTMLmodeVars(JavaScriptColoring)} {
regModeKeywords -a -k $HTMLmodeVars(tagColor) \
HTML [concat $AttrRequired $AttrOptional]
}
unset specURL
unset specColor
unset specWindow
message "Done."
if {!$HTMLmodeVars(useBigWindows) && [llength [htmlGetOptional $element]]} {htmlUseAttrs $element}
}
# Add new choices to an attribute with predefined choices.
proc htmlCustomNewChoice {} {
global htmlElemAttrChoices1 PREFS htmlVersion htmlShownWarning htmlAdditionExist htmlPackageToUse
global htmlElemKeyBinding
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {[catch {listpick -p "Select element to add choices to." \
[lsort [array names htmlElemAttrChoices1]]} element] || \
![string length $element]} {return}
set choiceatts ""
foreach e $htmlElemAttrChoices1($element) {
regexp {[^=]*} $e attr
if {[lsearch $choiceatts $attr] < 0} {lappend choiceatts $attr}
}
if {[catch {listpick -p "Select attribute to add choices to." [lsort $choiceatts]} attr] || \
![string length $attr]} {return}
foreach c $htmlElemAttrChoices1($element) {
if {[string match "${attr}=*" $c]} {
lappend allchoices [string range $c [expr [string length $attr] + 1] end]
}
}
set newchoices [htmlCustomAttrFix $element $attr Choices [htmlGetAllAttrs] $allchoices]
foreach c [lindex $newchoices 2] {
lappend choices "${attr}=$c"
}
if {[regexp { } $element]} {
set arg "\[list $element\]"
} else {
set arg $element
}
# Save the choices
set isfile [file exists $PREFS:HTMLadditions.tcl]
if {![file exists $PREFS]} {mkdir $PREFS}
set fid [open $PREFS:HTMLadditions.tcl a+]
if {!$isfile} {puts $fid $htmlVersion}
puts $fid "[list $element] \{lappend htmlElemAttrChoices1($arg) $choices\}"
append htmlElemAttrChoices1($element) " " $choices
close $fid
set htmlAdditionExist 1
htmlEnableExtend [info exists htmlElemKeyBinding] $htmlAdditionExist
message "New choices saved."
}
#
# Change key binding for a custom element.
#
proc htmlCustomChangeKey {} {
global htmlElemKeyBinding PREFS htmlShownWarning htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {![info exists htmlElemKeyBinding]} {
alertnote "No custom elements are defined."
return
}
if {[catch {listpick -p "Select element to change key binding for." \
[lsort [array names htmlElemKeyBinding]]} elem] || ![string length $elem]} {return}
set keystr $htmlElemKeyBinding($elem)
if {[string length $keystr]} {
set values "0 0 [string range $keystr [expr [string length $keystr] - 1] end]"
set keystr [string range $keystr 0 [expr [string length $keystr] - 3]]
lappend values [regexp {U} $keystr]
lappend values [regexp {B} $keystr]
lappend values [regexp {I} $keystr]
lappend values [regexp {O} $keystr]
} else {
set values {0 0 {} 0 0 0 0}
}
while {1} {
set box "-t {Key binding for $elem} 40 10 290 25 \
-t Key 10 40 40 55 -e [list [lindex $values 2]] 50 40 70 55 \
-c Shift [lindex $values 3] 10 60 60 75 \
-c Control [lindex $values 4] 80 60 150 75 \
-c Option [lindex $values 5] 160 60 220 75 \
-c Command [lindex $values 6] 230 60 315 75"
set values [eval [concat dialog -w 320 -h 120 \
-b OK 20 90 85 110 -b Cancel 105 90 170 110 $box]]
if {[lindex $values 1]} {return}
set elemKey [string toupper [string trim [lindex $values 2]]]
set keyStr ""
if {[lindex $values 3]} {append keyStr "<U"}
if {[lindex $values 4]} {append keyStr "<B"}
if {[lindex $values 5]} {append keyStr "<I"}
if {[lindex $values 6]} {append keyStr "<O"}
if {[string length $elemKey] > 1} {
alertnote "You should only give one character for key binding."
} elseif {[string length $elemKey] && ($keyStr == "" || $keyStr == "<U")} {
alertnote "You must choose at least one of the modifiers control, option and command when you define a key binding."
} else {
break
}
}
if {![string length $elemKey]} {
set keyStr ""
} else {
set elemKey "/$elemKey"
}
if {![file exists $PREFS:HTMLadditions.tcl]} {
alertnote "Cannot find 'HTMLadditions.tcl'. Key binding cannot be changed."
return
}
message "Redefining key binding…"
set fid [open $PREFS:HTMLadditions.tcl r]
set filecont [string trimright [read $fid] "\n"]
close $fid
foreach line [split $filecont "\n"] {
if {[lindex $line 0] == $elem && [regexp {htmlElemKeyBinding} $line]} {
append newlines "$elem \{set htmlElemKeyBinding($elem) [list $keyStr$elemKey]\}\n"
} else {
append newlines "$line\n"
}
}
set fid [open $PREFS:HTMLadditions.tcl w]
puts -nonewline $fid $newlines
close $fid
set htmlElemKeyBinding($elem) $keyStr$elemKey
htmlBuildMenu
message "Done."
}
#
# Change type and layout for a custom element.
#
proc htmlCustomChangeType {} {
global htmlElemKeyBinding htmlElemProc PREFS htmlPlugins htmlShownWarning htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {![info exists htmlElemKeyBinding]} {
alertnote "No custom elements are defined."
return
}
if {[catch {listpick -p "Select element to change type and layout for." \
[lsort [array names htmlElemKeyBinding]]} elem] || ![string length $elem]} {return}
set eproc $htmlElemProc($elem)
set proctype [lindex $eproc 0]
if {$proctype == "htmlBuildOpening" || $proctype == "htmlBuildInputElem"} {
if {[lindex $eproc 1] == "EMBED"} {
set type plugin
} else {
set type normal
}
if {$proctype == "htmlBuildInputElem"} {set type input}
set closing 0
set values "[lindex $eproc 2] [lindex $eproc 3]"
} else {
set type normal
set closing 1
if {$proctype == "htmlBuildElem"} {set values {1 0 0 0}}
if {$proctype == "htmlBuildCRElem" && [llength $eproc] == 2} {set values {0 1 0 0}}
if {$proctype == "htmlBuildCRElem" && [llength $eproc] == 3} {set values {0 0 1 0}}
if {$proctype == "htmlBuildCR2Elem"} {set values {0 0 0 1}}
}
set box "-t $elem 100 10 300 25 \
-c {Has closing tag} $closing 10 40 150 55 \
-t {Element type} 10 80 100 95 -r Normal [regexp {normal} $type] 10 100 100 115 \
-r {INPUT element with TYPE given above} [regexp {input} $type] 10 120 300 135 \
-r {Plug-in} [regexp {plugin} $type] 10 140 100 155 \
-b OK 20 170 85 190 -b Cancel 105 170 170 190"
set typeval [eval [concat dialog -w 310 -h 200 $box]]
if {[lindex $typeval 5]} {return}
set newclosing [lindex $typeval 0]
if {[lindex $typeval 1]} {set newtype normal}
if {[lindex $typeval 2]} {set newtype input; set newclosing 0}
if {[lindex $typeval 3]} {set newtype plugin; set newclosing 0}
if {$newclosing} {
if {$newclosing != $closing} {set values {1 0 0 0}}
set customproc [htmlSetCustProc2 $values $elem]
} else {
if {$newclosing != $closing} {set values {0 0}}
set customproc [htmlSetCustProc1 $values $newtype $elem]
}
if {![string length $customproc]} {return}
if {![file exists $PREFS:HTMLadditions.tcl]} {
alertnote "Cannot find 'HTMLadditions.tcl'. Type and layout cannot be changed."
return
}
message "Redefining type and layout…"
set fid [open $PREFS:HTMLadditions.tcl r]
set filecont [string trimright [read $fid] "\n"]
close $fid
foreach line [split $filecont "\n"] {
if {[lindex $line 0] == $elem && [regexp {htmlElemProc} $line]} {
append newlines "$elem \{set htmlElemProc($elem) [list $customproc]\}\n"
} elseif {$type == "plugin" && $newtype != "plugin" && [lindex $line 0] == $elem && \
[regexp {htmlPlugins} $line]} {
set where [lsearch -exact $htmlPlugins $elem]
set htmlPlugins [lreplace $htmlPlugins $where $where]
} else {
append newlines "$line\n"
}
}
if {$newtype == "plugin" && $type != "plugin"} {
lappend htmlPlugins $elem
append newlines "$elem \{lappend htmlPlugins $elem\}\n"
}
set fid [open $PREFS:HTMLadditions.tcl w]
puts -nonewline $fid $newlines
close $fid
set htmlElemProc($elem) $customproc
message "Done."
}
# Remove custom element ot additions to an element.
proc htmlCustomRemove {} {
global htmlElemAttrOptional1 htmlURLAttr htmlColorAttr htmlWindowAttr
global PREFS htmlElemAttrRequired1 htmlElemAttrChoices1 htmlElemAttrNumber1
global htmlElemEventHandler1 htmlElemProc htmlElemKeyBinding htmlPlugins
global htmlSpecURL htmlSpecColor htmlSpecWindow htmlVersion htmlShownWarning htmlAdditionExist htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {![file exists $PREFS:HTMLadditions.tcl]} {
if {[info exists htmlElemKeyBinding]} {
alertnote "Cannot find 'HTMLadditions.tcl'. Custom additions cannot be removed."
} else {
alertnote "No custom additions has been made."
}
return
}
set fid [open $PREFS:HTMLadditions.tcl r]
set additions [string trimright [read $fid] "\n"]
close $fid
set elems ""
foreach line [lrange [split $additions "\n"] 1 end] {
set element [lindex $line 0]
if {[lsearch -exact $elems $element] < 0} {lappend elems $element}
}
if {[catch {listpick -p "Select element to remove additions from." [lsort $elems]} element] || \
![string length $element] || [askyesno "Remove additions from $element?"] == "no"} {return}
# Perhaps rebuild menu for if old elem and no optional attrs after removal.
if {[llength [htmlGetOptional $element]]} {
set rmenu 1
} else {
set rmenu 0
}
message "Removing additions to $element…"
set isNewElem [info exists htmlElemKeyBinding($element)]
# If new element, unset all its variables.
if {$isNewElem} {
catch {unset htmlElemAttrRequired1($element)}
catch {unset htmlElemAttrChoices1($element)}
catch {unset htmlElemAttrNumber1($element)}
catch {unset htmlElemAttrOptional1($element)}
catch {unset htmlElemEventHandler1($element)}
set tmpkey $htmlElemKeyBinding($element)
catch {unset htmlElemKeyBinding($element)}
catch {unset htmlElemProc($element)}
set isPlugin [lsearch -exact $htmlPlugins $element]
if {$isPlugin >=0 } {set htmlPlugins [lreplace $htmlPlugins $isPlugin $isPlugin]}
if {![llength [array names htmlElemKeyBinding]]} {
catch {unset htmlElemKeyBinding}
if {[string length $tmpkey]} {
set key [string tolower [string range $tmpkey [expr [string length $tmpkey] - 1] end]]
set mods ""
foreach m [split [string range $tmpkey 1 [expr [string length $tmpkey] - 3]] < ] {
if {$m == "B"} {append mods z}
if {$m == "I"} {append mods o}
if {$m == "U"} {append mods s}
if {$m == "O"} {append mods c}
}
catch {unbind '$key' <$mods> {} HTML}
}
}
if {![llength [array names htmlElemProc]]} {catch {unset htmlElemProc}}
}
set newlines ""
foreach line [lrange [split $additions "\n"] 1 end] {
set command [lindex $line 1]
if {[lindex $line 0] != $element} {
append newlines "$line\n"
} elseif {[lindex $command 0] == "lappend"} {
set var [lindex $command 1]
# Remove from URL, Color and Window lists.
foreach ucw [list URL Color Window] {
if {$var == "html${ucw}Attr"} {
lappend ${ucw}maybe [lindex $command 2]
set where [lsearch -exact [set html${ucw}Attr] [lindex $command 2]]
set html${ucw}Attr [lreplace [set html${ucw}Attr] $where $where]
}
if {$var == "htmlSpec${ucw}"} {
foreach c [lrange $command 2 end] {
set where [lsearch -exact [set htmlSpec${ucw}] $c]
set htmlSpec${ucw} [lreplace [set htmlSpec${ucw}] $where $where]
}
}
}
# If added attribute to old element, remove attribute
if {!$isNewElem && $var != "htmlURLAttr" && $var != "htmlColorAttr" && \
$var != "htmlWindowAttr" && $var != "htmlSpecURL" && $var != "htmlSpecColor" && \
$var != "htmlSpecWindow"} {
regexp {([^\(]+)\(([^\)]+)\)[ ]+(.+)} [lrange $command 1 end] dummy var arg added
foreach c $added {
set where [lsearch -exact [set ${var}($element)] $c]
set ${var}($element) [lreplace [set ${var}($element)] $where $where]
}
}
}
}
# Unset empty lists for old variables.
if {!$isNewElem} {
foreach c [list AttrRequired AttrChoices AttrNumber EventHandler] {
if {[info exists html${c}1($element)] && ![llength html${c}1($element)]} {
unset html${c}1($element)
}
}
}
# URL, Color or Window attributes just removed
# should be replaced if they are used by some other element.
foreach ucw [list URL Color Window] {
if {[info exists ${ucw}maybe]} {
append newlines [htmlUCWmaybe $ucw [set ${ucw}maybe]]
}
}
if {[string length $newlines]} {
set fid [open $PREFS:HTMLadditions.tcl w]
puts -nonewline $fid "$htmlVersion\n$newlines"
close $fid
} else {
removeFile $PREFS:HTMLadditions.tcl
set htmlAdditionExist 0
}
htmlEnableExtend [info exists htmlElemKeyBinding] $htmlAdditionExist
if {$isNewElem || ($rmenu && ![llength [htmlGetOptional $element]])} {htmlBuildMenu}
message "Done."
}
proc htmlUCWmaybe {ucw maybe} {
global htmlElemAttrRequired1 htmlElemAttrOptional1 htmlSpecURL htmlSpecColor htmlSpecWindow
global htmlURLAttr htmlColorAttr htmlWindowAttr
set newlines ""
foreach m $maybe {
set foundit 0
foreach e [array names htmlElemAttrRequired1] {
if {[lsearch -exact $htmlElemAttrRequired1($e) $m] >= 0 && \
[lsearch -exact [set htmlSpec$ucw] "$e!=[string trimright $m =]"] < 0} {
append newlines "[list $e] \{lappend html${ucw}Attr $m\}\n"
lappend html${ucw}Attr $m
set foundit 1
break
}
}
if {$foundit} {continue}
foreach e [array names htmlElemAttrOptional1] {
if {[lsearch -exact $htmlElemAttrOptional1($e) $m] >= 0 && \
[lsearch -exact [set htmlSpec$ucw] "$e!=[string trimright $m =]"] < 0} {
append newlines "[list $e] \{lappend html${ucw}Attr $m\}\n"
lappend html${ucw}Attr $m
break
}
}
}
return $newlines
}
# Remove custom element ot additions to an element.
proc htmlCustomRemoveAttrs {} {
global htmlElemAttrOptional1 htmlURLAttr htmlColorAttr htmlWindowAttr htmlElemKeyBinding
global PREFS htmlElemAttrRequired1 htmlElemAttrChoices1 htmlElemAttrNumber1
global htmlElemEventHandler1 htmlAdditionExist
global htmlSpecURL htmlSpecColor htmlSpecWindow htmlVersion htmlShownWarning htmlPackageToUse
if {$htmlPackageToUse != 1} {return}
if {[info exists htmlShownWarning]} {htmlDisabled}
if {![file exists $PREFS:HTMLadditions.tcl]} {
if {[info exists htmlElemKeyBinding]} {
alertnote "Cannot find 'HTMLadditions.tcl'. Custom additions cannot be removed."
} else {
alertnote "No custom additions has been made."
}
return
}
set fid [open $PREFS:HTMLadditions.tcl r]
set additions [string trimright [read $fid] "\n"]
close $fid
set elems ""
foreach line [lrange [split $additions "\n"] 1 end] {
set element [lindex $line 0]
if {[lsearch -exact $elems $element] < 0 && \
([llength [concat [htmlGetRequired $element] [htmlGetOptional $element]]] || \
[info exists htmlElemEventHandler1($element)])} {
lappend elems $element
}
}
if {[catch {listpick -p "Select element to remove attributes from." [lsort $elems]} element] || \
![string length $element]} {return}
set allatts {}
foreach line [lrange [split $additions "\n"] 1 end] {
set command [lindex $line 1]
if {[lindex $line 0] == $element} {
regexp {([^\(]+)\(([^\)]+)\)[ ]+(.+)} [lrange $command 1 end] dummy var arg added
set added [string trimleft [string trimright $added \}] \{]
if {$var == "htmlElemAttrRequired1" || $var == "htmlElemAttrOptional1" || $var == "htmlElemEventHandler1"} {
foreach c $added {
if {[lsearch -exact $allatts [string trimright $c =]] < 0} {
lappend allatts [string trimright $c =]
}
}
} elseif {$var == "htmlElemAttrChoices1"} {
foreach c $added {
regexp {[^=]+} $c tmp
if {[lsearch -exact $allatts $tmp] < 0} {
lappend allatts $tmp
}
}
}
}
}
if {[catch {listpick -p "Select attributes to remove." -l [lsort $allatts]} attrs] || \
![string length $attrs]} {return}
# Perhaps rebuild menu for if old elem and no optional attrs after removal.
if {[llength [htmlGetOptional $element]]} {
set rmenu 1
} else {
set rmenu 0
}
message "Removing attributes from $element…"
set newlines ""
foreach line [lrange [split $additions "\n"] 1 end] {
set command [lindex $line 1]
if {[lindex $line 0] != $element} {
append newlines "$line\n"
} else {
set var [lindex $command 1]
# Remove from URL, Color and Window lists.
foreach ucw [list URL Color Window] {
if {$var == "html${ucw}Attr"} {
if {[lsearch -exact $attrs [string trimright [lindex $command 2] =]] >= 0} {
lappend ${ucw}maybe [lindex $command 2]
set where [lsearch -exact [set html${ucw}Attr] [lindex $command 2]]
set html${ucw}Attr [lreplace [set html${ucw}Attr] $where $where]
} else {
append newlines "$line\n"
}
}
if {$var == "htmlSpec${ucw}"} {
set tmpadd [lrange $command 2 end]
foreach c $tmpadd {
regexp {[^!=]+!?=(.*)} $c dum tmp
if {[lsearch -exact $attrs $tmp] >= 0} {
set where [lsearch -exact [set htmlSpec${ucw}] $c]
set htmlSpec${ucw} [lreplace [set htmlSpec${ucw}] $where $where]
set where [lsearch -exact $tmpadd $c]
set tmpadd [lreplace $tmpadd $where $where]
}
}
if {[llength $tmpadd]} {append newlines "[list $element] \{lappend htmlSpec${ucw} $tmpadd\}\n"}
}
}
if {[lsearch {htmlURLAttr htmlColorAttr htmlWindowAttr htmlSpecURL htmlSpecColor htmlSpecWindow htmlPlugins} $var] < 0 && \
![string match "htmlElemKeyBinding*" $var] && ![string match "htmlElemProc*" $var]} {
regexp {([^\(]+)\(([^\)]+)\)[ ]+(.+)} [lrange $command 1 end] dummy var arg added
set added [string trimleft [string trimright $added \}] \{]
foreach c $added {
regexp {[^=]+} $c tmp
if {[lsearch -exact $attrs $tmp] >= 0} {
set where [lsearch -exact [set ${var}($element)] $c]
set ${var}($element) [lreplace [set ${var}($element)] $where $where]
set where [lsearch -exact $added $c]
set added [lreplace $added $where $where]
}
}
if {[llength $added] || ([lindex $command 0] == "set" && $var == "htmlElemAttrOptional1")} {
if {[lindex $command 0] == "set"} {set added [list $added]}
append newlines "[list $element] \{[lindex $command 0] ${var}($arg) $added\}\n"
}
}
if {[string match "htmlElemKeyBinding*" $var] || [string match "htmlElemProc*" $var]} {
append newlines "$line\n"
}
}
}
# Unset empty lists.
foreach c [list AttrRequired AttrChoices AttrNumber EventHandler] {
if {[info exists html${c}1($element)] && ![llength html${c}1($element)]} {
unset html${c}1($element)
}
}
# URL, Color or Window attributes just removed
# should be replaced if they are used by some other element.
foreach ucw [list URL Color Window] {
if {[info exists ${ucw}maybe]} {
append newlines [htmlUCWmaybe $ucw [set ${ucw}maybe]]
}
}
if {[string length $newlines]} {
set fid [open $PREFS:HTMLadditions.tcl w]
puts -nonewline $fid "$htmlVersion\n$newlines"
close $fid
} else {
removeFile $PREFS:HTMLadditions.tcl
set htmlAdditionExist 0
}
htmlEnableExtend [info exists htmlElemKeyBinding] $htmlAdditionExist
if {$rmenu && ![llength [htmlGetOptional $element]]} {htmlBuildMenu}
message "Done."
}