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comparison lib/js/urweb.js @ 1751:acadf9d1214a

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'dynStyle' pseudo-attribute
author Adam Chlipala <adam@chlipala.net>
date Sun, 06 May 2012 15:15:46 -0400
parents 6f2f74cc4ead
children e9587120831a
comparison
equal deleted inserted replaced
1750:277480862cef 1751:acadf9d1214a
942 x.onkeyup = x.oninput = x.onchange = x.onpropertychange = function() { sv(s, x.value) }; 942 x.onkeyup = x.oninput = x.onchange = x.onpropertychange = function() { sv(s, x.value) };
943 943
944 return x; 944 return x;
945 } 945 }
946 946
947 function dynClass(html, s) { 947 function dynClass(html, s_class, s_style) {
948 var htmlCls = {v : null}; 948 var htmlCls = {v : null};
949 html = flatten(htmlCls, html); 949 html = flatten(htmlCls, html);
950 htmlCls = htmlCls.v; 950 htmlCls = htmlCls.v;
951 951
952 var dummy = document.createElement("body"); 952 var dummy = document.createElement("body");
954 runScripts(dummy); 954 runScripts(dummy);
955 var html = dummy.firstChild; 955 var html = dummy.firstChild;
956 dummy.removeChild(html); 956 dummy.removeChild(html);
957 addNode(html); 957 addNode(html);
958 958
959 var x = document.createElement("script"); 959 if (s_class) {
960 x.dead = false; 960 var x = document.createElement("script");
961 x.signal = s; 961 x.dead = false;
962 x.sources = null; 962 x.signal = s_class;
963 x.closures = htmlCls; 963 x.sources = null;
964 964 x.closures = htmlCls;
965 x.recreate = function(v) { 965
966 for (var ls = x.closures; ls != htmlCls; ls = ls.next) 966 x.recreate = function(v) {
967 freeClosure(ls.data); 967 for (var ls = x.closures; ls != htmlCls; ls = ls.next)
968 968 freeClosure(ls.data);
969 var cls = {v : null}; 969
970 html.className = flatten(cls, v); 970 var cls = {v : null};
971 x.closures = concat(cls.v, htmlCls); 971 html.className = flatten(cls, v);
972 }; 972 x.closures = concat(cls.v, htmlCls);
973 973 }
974 addNode(x); 974
975 populate(x); 975 addNode(x);
976 populate(x);
977 }
978
979 if (s_style) {
980 var x = document.createElement("script");
981 x.dead = false;
982 x.signal = s_style;
983 x.sources = null;
984 x.closures = htmlCls;
985
986 x.recreate = function(v) {
987 for (var ls = x.closures; ls != htmlCls; ls = ls.next)
988 freeClosure(ls.data);
989
990 var cls = {v : null};
991 html.style.cssText = flatten(cls, v);
992 x.closures = concat(cls.v, htmlCls);
993 }
994
995 addNode(x);
996 populate(x);
997 }
976 } 998 }
977 999
978 function addOnChange(x, f) { 1000 function addOnChange(x, f) {
979 var old = x.onchange; 1001 var old = x.onchange;
980 if (old == null) 1002 if (old == null)