[LON-CAPA-cvs] cvs: loncom /html/adm/LC_math_editor test.html /html/adm/LC_math_editor/dist LC_math_editor.min.js /html/adm/LC_math_editor/src ui.js
damieng
damieng at source.lon-capa.org
Wed Feb 25 15:54:06 EST 2015
damieng Wed Feb 25 20:54:06 2015 EDT
Modified files:
/loncom/html/adm/LC_math_editor test.html
/loncom/html/adm/LC_math_editor/dist LC_math_editor.min.js
/loncom/html/adm/LC_math_editor/src ui.js
Log:
math editor: hardcoded CSS to avoid naming convention conflicts with nextgen LON-CAPA, and hiding preview on mouseenter only if there was no error
-------------- next part --------------
Index: loncom/html/adm/LC_math_editor/test.html
diff -u loncom/html/adm/LC_math_editor/test.html:1.2 loncom/html/adm/LC_math_editor/test.html:1.3
--- loncom/html/adm/LC_math_editor/test.html:1.2 Tue Feb 24 15:20:36 2015
+++ loncom/html/adm/LC_math_editor/test.html Wed Feb 25 20:53:59 2015
@@ -6,7 +6,6 @@
<style>
div.eqnbox { margin: 1em }
textarea.math { font-family: monospace; height: 3em; width: 100%; }
- span.math-error { border: solid 1px red; min-width: 1px; }
</style>
<script>
function addField() {
Index: loncom/html/adm/LC_math_editor/dist/LC_math_editor.min.js
diff -u loncom/html/adm/LC_math_editor/dist/LC_math_editor.min.js:1.2 loncom/html/adm/LC_math_editor/dist/LC_math_editor.min.js:1.3
--- loncom/html/adm/LC_math_editor/dist/LC_math_editor.min.js:1.2 Tue Feb 24 15:20:41 2015
+++ loncom/html/adm/LC_math_editor/dist/LC_math_editor.min.js Wed Feb 25 20:54:03 2015
@@ -1,55 +1,55 @@
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e.OPERATOR||"+"!=a.value&&"-"!=a.value?d.appendChild(a._toMathML(b)):d.appendChild(this.addP(a,b)),d.appendChild(h);else if("+"==this.value){d=document.createElement("mrow");h=this.mo(this.value);d.appendChild(a._toMathML(b));d.appendChild(h);g=!1;for(f=c;f.type==e.OPERATOR;)if("-"==f.value&&1==f.children.length){g=!0;break}else if("+"==f.value||"-"==f.value||"*"==f.value)f=f.children[0];else break;g?d.appendChild(this.addP(c,b)):d.appendChild(c._toMathML(b))}else if("."==this.value)d=document.createElement("mrow"),
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(f[h]=b[h]);f.units=!0;c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?g.appendChild(c._toMathML(f)):g.appendChild(this.addP(c,f));d.appendChild(g)}else d=document.createElement("mrow"),h=this.mo(this.value),d.appendChild(a._toMathML(b)),d.appendChild(h),d.appendChild(c._toMathML(b));return d;case e.FUNCTION:if("sqrt"==a.value&&null!=c)d=document.createElement("msqrt"),d.appendChild(c._toMathML(b));else if("abs"==a.value&&null!=c)d=document.createElement("mrow"),d.appendChild(this.mo("|")),d.appendChild(c._toMathML(b)),
-d.appendChild(this.mo("|"));else if("exp"==a.value&&null!=c)d=document.createElement("msup"),d.appendChild(this.mi("e")),d.appendChild(c._toMathML(b));else if("factorial"==a.value)d=document.createElement("mrow"),h=this.mo("!"),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b)),d.appendChild(h);else if("diff"==a.value&&null!=this.children&&3==this.children.length)d=document.createElement("mrow"),k=document.createElement("mfrac"),k.appendChild(this.mi("d")),
-h=document.createElement("mrow"),h.appendChild(this.mi("d")),h.appendChild(this.mi(g.value)),k.appendChild(h),d.appendChild(k),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("diff"==a.value&&null!=this.children&&4==this.children.length)d=document.createElement("mrow"),k=document.createElement("mfrac"),a=document.createElement("msup"),a.appendChild(this.mi("d")),a.appendChild(f._toMathML(b)),k.appendChild(a),h=document.createElement("mrow"),
-h.appendChild(this.mi("d")),a=document.createElement("msup"),a.appendChild(g._toMathML(b)),a.appendChild(f._toMathML(b)),h.appendChild(a),k.appendChild(h),d.appendChild(k),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("integrate"==a.value&&null!=this.children&&3==this.children.length)d=document.createElement("mrow"),h=this.mo("\u222b"),h.setAttribute("stretchy","true"),d.appendChild(h),g.type!=e.OPERATOR||"+"!=g.value&&"-"!=g.value?
-d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b)),d.appendChild(this.mi("d")),d.appendChild(g._toMathML(b));else if("integrate"==a.value&&null!=this.children&&5==this.children.length)d=document.createElement("mrow"),a=document.createElement("msubsup"),h=this.mo("\u222b"),h.setAttribute("stretchy","true"),a.appendChild(h),a.appendChild(f._toMathML(b)),a.appendChild(k._toMathML(b)),d.appendChild(a),g.type!=e.OPERATOR||"+"!=g.value&&"-"!=g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,
-b)),d.appendChild(this.mi("d")),d.appendChild(g._toMathML(b));else if("sum"==a.value&&null!=this.children&&5==this.children.length){d=document.createElement("mrow");var l=document.createElement("munderover");h=this.mo("\u2211");h.setAttribute("stretchy","true");l.appendChild(h);a=document.createElement("mrow");a.appendChild(g._toMathML(b));a.appendChild(this.mo("="));a.appendChild(f._toMathML(b));l.appendChild(a);l.appendChild(k._toMathML(b));d.appendChild(l);g.type!=e.OPERATOR||"+"!=g.value&&"-"!=
-g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b))}else if("product"==a.value&&null!=this.children&&5==this.children.length)d=document.createElement("mrow"),l=document.createElement("munderover"),h=this.mo("\u220f"),h.setAttribute("stretchy","true"),l.appendChild(h),a=document.createElement("mrow"),a.appendChild(g._toMathML(b)),a.appendChild(this.mo("=")),a.appendChild(f._toMathML(b)),l.appendChild(a),l.appendChild(k._toMathML(b)),d.appendChild(l),g.type!=e.OPERATOR||"+"!=g.value&&
-"-"!=g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("limit"==a.value)d=document.createElement("mrow"),4>this.children.length?d.appendChild(this.mo("lim")):(a=document.createElement("munder"),a.appendChild(this.mo("lim")),h=document.createElement("mrow"),h.appendChild(g._toMathML(b)),h.appendChild(this.mo("\u2192")),h.appendChild(f._toMathML(b)),null!=k&&("plus"==k.value?h.appendChild(this.mo("+")):"minus"==k.value&&h.appendChild(this.mo("-"))),a.appendChild(h),d.appendChild(a)),
+d.appendChild(this.mo("|"));else if("exp"==a.value&&null!=c)d=document.createElement("msup"),d.appendChild(this.mi("e")),d.appendChild(c._toMathML(b));else if("factorial"==a.value)d=document.createElement("mrow"),h=this.mo("!"),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b)),d.appendChild(h);else if("diff"==a.value&&null!=this.children&&3==this.children.length)d=document.createElement("mrow"),m=document.createElement("mfrac"),m.appendChild(this.mi("d")),
+h=document.createElement("mrow"),h.appendChild(this.mi("d")),h.appendChild(this.mi(g.value)),m.appendChild(h),d.appendChild(m),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("diff"==a.value&&null!=this.children&&4==this.children.length)d=document.createElement("mrow"),m=document.createElement("mfrac"),a=document.createElement("msup"),a.appendChild(this.mi("d")),a.appendChild(f._toMathML(b)),m.appendChild(a),h=document.createElement("mrow"),
+h.appendChild(this.mi("d")),a=document.createElement("msup"),a.appendChild(g._toMathML(b)),a.appendChild(f._toMathML(b)),h.appendChild(a),m.appendChild(h),d.appendChild(m),c.type!=e.OPERATOR||"+"!=c.value&&"-"!=c.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("integrate"==a.value&&null!=this.children&&3==this.children.length)d=document.createElement("mrow"),h=this.mo("\u222b"),h.setAttribute("stretchy","true"),d.appendChild(h),g.type!=e.OPERATOR||"+"!=g.value&&"-"!=g.value?
+d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b)),d.appendChild(this.mi("d")),d.appendChild(g._toMathML(b));else if("integrate"==a.value&&null!=this.children&&5==this.children.length)d=document.createElement("mrow"),a=document.createElement("msubsup"),h=this.mo("\u222b"),h.setAttribute("stretchy","true"),a.appendChild(h),a.appendChild(f._toMathML(b)),a.appendChild(m._toMathML(b)),d.appendChild(a),g.type!=e.OPERATOR||"+"!=g.value&&"-"!=g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,
+b)),d.appendChild(this.mi("d")),d.appendChild(g._toMathML(b));else if("sum"==a.value&&null!=this.children&&5==this.children.length){d=document.createElement("mrow");var k=document.createElement("munderover");h=this.mo("\u2211");h.setAttribute("stretchy","true");k.appendChild(h);a=document.createElement("mrow");a.appendChild(g._toMathML(b));a.appendChild(this.mo("="));a.appendChild(f._toMathML(b));k.appendChild(a);k.appendChild(m._toMathML(b));d.appendChild(k);g.type!=e.OPERATOR||"+"!=g.value&&"-"!=
+g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b))}else if("product"==a.value&&null!=this.children&&5==this.children.length)d=document.createElement("mrow"),k=document.createElement("munderover"),h=this.mo("\u220f"),h.setAttribute("stretchy","true"),k.appendChild(h),a=document.createElement("mrow"),a.appendChild(g._toMathML(b)),a.appendChild(this.mo("=")),a.appendChild(f._toMathML(b)),k.appendChild(a),k.appendChild(m._toMathML(b)),d.appendChild(k),g.type!=e.OPERATOR||"+"!=g.value&&
+"-"!=g.value?d.appendChild(c._toMathML(b)):d.appendChild(this.addP(c,b));else if("limit"==a.value)d=document.createElement("mrow"),4>this.children.length?d.appendChild(this.mo("lim")):(a=document.createElement("munder"),a.appendChild(this.mo("lim")),h=document.createElement("mrow"),h.appendChild(g._toMathML(b)),h.appendChild(this.mo("\u2192")),h.appendChild(f._toMathML(b)),null!=m&&("plus"==m.value?h.appendChild(this.mo("+")):"minus"==m.value&&h.appendChild(this.mo("-"))),a.appendChild(h),d.appendChild(a)),
d.appendChild(c._toMathML(b));else if("binomial"==a.value){d=document.createElement("mrow");d.appendChild(this.mo("("));g=document.createElement("mtable");for(f=1;f<this.children.length;f++)a=document.createElement("mtr"),a.appendChild(this.children[f]._toMathML(b)),g.appendChild(a);d.appendChild(g);d.appendChild(this.mo(")"))}else if("matrix"==a.value){for(f=1;f<this.children.length;f++)if(this.children[f].type!==e.VECTOR)return d=document.createElement("mtext"),d.appendChild(document.createTextNode("???")),
d;d=document.createElement("mrow");d.appendChild(this.mo("("));g=document.createElement("mtable");for(f=1;f<this.children.length;f++){a=document.createElement("mtr");for(c=0;c<this.children[f].children.length;c++)a.appendChild(this.children[f].children[c]._toMathML(b));g.appendChild(a)}d.appendChild(g);d.appendChild(this.mo(")"))}else if("union"==a.value&&3==this.children.length){for(f=1;f<this.children.length;f++)if(this.children[f].type!==e.INTERVAL&&this.children[f].type!==e.SET)return d=document.createElement("mtext"),
d.appendChild(document.createTextNode("???")),d;d=document.createElement("mrow");d.appendChild(c._toMathML(b));d.appendChild(this.mo("\u222a"));d.appendChild(g._toMathML(b))}else if("intersection"==a.value&&3==this.children.length){for(f=1;f<this.children.length;f++)if(this.children[f].type!==e.INTERVAL&&this.children[f].type!==e.SET)return d=document.createElement("mtext"),d.appendChild(document.createTextNode("???")),d;d=document.createElement("mrow");d.appendChild(c._toMathML(b));d.appendChild(this.mo("\u2229"));
-d.appendChild(g._toMathML(b))}else{d=document.createElement("mrow");d.appendChild(a._toMathML(b));d.appendChild(this.mo("("));for(f=1;f<this.children.length;f++)d.appendChild(this.children[f]._toMathML(b)),f<this.children.length-1&&d.appendChild(this.mo(m.ARG_SEPARATOR));d.appendChild(this.mo(")"))}return d;case e.VECTOR:k=!0;for(f=0;f<this.children.length;f++)this.children[f].type!==e.VECTOR&&(k=!1);d=document.createElement("mrow");d.appendChild(this.mo("("));g=document.createElement("mtable");for(f=
-0;f<this.children.length;f++){a=document.createElement("mtr");if(k)for(c=0;c<this.children[f].children.length;c++)a.appendChild(this.children[f].children[c]._toMathML(b));else a.appendChild(this.children[f]._toMathML(b));g.appendChild(a)}d.appendChild(g);d.appendChild(this.mo(")"));return d;case e.INTERVAL:return d=document.createElement("mrow"),h=this.interval_type==e.OPEN_OPEN||this.interval_type==e.OPEN_CLOSED?this.mo("("):this.mo("["),d.appendChild(h),a=document.createElement("mrow"),a.appendChild(this.children[0]._toMathML(b)),
+d.appendChild(g._toMathML(b))}else{d=document.createElement("mrow");d.appendChild(a._toMathML(b));d.appendChild(this.mo("("));for(f=1;f<this.children.length;f++)d.appendChild(this.children[f]._toMathML(b)),f<this.children.length-1&&d.appendChild(this.mo(l.ARG_SEPARATOR));d.appendChild(this.mo(")"))}return d;case e.VECTOR:m=!0;for(f=0;f<this.children.length;f++)this.children[f].type!==e.VECTOR&&(m=!1);d=document.createElement("mrow");d.appendChild(this.mo("("));g=document.createElement("mtable");for(f=
+0;f<this.children.length;f++){a=document.createElement("mtr");if(m)for(c=0;c<this.children[f].children.length;c++)a.appendChild(this.children[f].children[c]._toMathML(b));else a.appendChild(this.children[f]._toMathML(b));g.appendChild(a)}d.appendChild(g);d.appendChild(this.mo(")"));return d;case e.INTERVAL:return d=document.createElement("mrow"),h=this.interval_type==e.OPEN_OPEN||this.interval_type==e.OPEN_CLOSED?this.mo("("):this.mo("["),d.appendChild(h),a=document.createElement("mrow"),a.appendChild(this.children[0]._toMathML(b)),
a.appendChild(this.mo(":")),a.appendChild(this.children[1]._toMathML(b)),d.appendChild(a),h=this.interval_type==e.OPEN_OPEN||this.interval_type==e.CLOSED_OPEN?this.mo(")"):this.mo("]"),d.appendChild(h),d;case e.SET:d=document.createElement("mrow");d.appendChild(this.mo("{"));a=document.createElement("mrow");for(f=0;f<this.children.length;f++)0<f&&a.appendChild(this.mo(";")),a.appendChild(this.children[f]._toMathML(b));d.appendChild(a);d.appendChild(this.mo("}"));return d;case e.SUBSCRIPT:g=document.createElement("msub");
-g.appendChild(a._toMathML(b));if(2<this.children.length){d=document.createElement("mrow");for(f=1;f<this.children.length;f++)d.appendChild(this.children[f]._toMathML(b)),f<this.children.length-1&&d.appendChild(this.mo(m.ARG_SEPARATOR));g.appendChild(d)}else g.appendChild(c._toMathML(b));return g}};e.prototype.mi=function(b){var a=document.createElement("mi");e.symbols[b]&&(b=e.symbols[b]);a.appendChild(document.createTextNode(b));return a};e.prototype.mn=function(b){var a=document.createElement("mn");
+g.appendChild(a._toMathML(b));if(2<this.children.length){d=document.createElement("mrow");for(f=1;f<this.children.length;f++)d.appendChild(this.children[f]._toMathML(b)),f<this.children.length-1&&d.appendChild(this.mo(l.ARG_SEPARATOR));g.appendChild(d)}else g.appendChild(c._toMathML(b));return g}};e.prototype.mi=function(b){var a=document.createElement("mi");e.symbols[b]&&(b=e.symbols[b]);a.appendChild(document.createTextNode(b));return a};e.prototype.mn=function(b){var a=document.createElement("mn");
a.appendChild(document.createTextNode(b));return a};e.prototype.mo=function(b){var a=document.createElement("mo");e.symbols[b]&&(b=e.symbols[b]);a.appendChild(document.createTextNode(b));return a};e.prototype.addP=function(b,a){var c,g;c=document.createElement("mrow");g=this.mo("(");var f;f=a.colors?a.colors:e.COLORS;g.setAttribute("mathcolor",f[a.depth%f.length]);c.appendChild(g);a.depth++;c.appendChild(b._toMathML(a));a.depth--;g=this.mo(")");g.setAttribute("mathcolor",f[a.depth%f.length]);c.appendChild(g);
return c};e.symbols={alpha:"\u03b1",beta:"\u03b2",gamma:"\u03b3",delta:"\u03b4",epsilon:"\u03b5",zeta:"\u03b6",eta:"\u03b7",theta:"\u03b8",iota:"\u03b9",kappa:"\u03ba",lambda:"\u03bb",mu:"\u03bc",nu:"\u03bd",xi:"\u03be",omicron:"\u03bf",pi:"\u03c0",rho:"\u03c1",sigma:"\u03c3",tau:"\u03c4",upsilon:"\u03c5",phi:"\u03c6",chi:"\u03c7",psi:"\u03c8",omega:"\u03c9",Alpha:"\u0391",Beta:"\u0392",Gamma:"\u0393",Delta:"\u0394",Epsilon:"\u0395",Zeta:"\u0396",Eta:"\u0397",Theta:"\u0398",Iota:"\u0399",Kappa:"\u039a",
Lambda:"\u039b",Mu:"\u039c",Nu:"\u039d",Xi:"\u039e",Omicron:"\u039f",Pi:"\u03a0",Rho:"\u03a1",Sigma:"\u03a3",Tau:"\u03a4",Upsilon:"\u03a5",Phi:"\u03a6",Chi:"\u03a7",Psi:"\u03a8",Omega:"\u03a9","#":"\u2260",">=":"\u2265","<=":"\u2264",inf:"\u221e",minf:"-\u221e",hbar:"\u210f",G:"\ud835\udca2"};"use strict";p.UNKNOWN=0;p.UNARY=1;p.BINARY=2;p.TERNARY=3;"use strict";n.prototype.toString=function(){return this.msg+" at "+this.from+" - "+this.to};"use strict";r.prototype.expression=function(b){var a,c=
this.current_token;if(null==c)throw new n("Expected something at the end",this.tokens[this.tokens.length-1].to+1);this.advance();if(null==c.op)a=new e(c.type,null,c.value,null);else{if(null==c.op.nud)throw new n("Unexpected operator '"+c.op.id+"'",c.from);a=c.op.nud(this)}for(;null!=this.current_token&&null!=this.current_token.op&&b<this.current_token.op.lbp;)c=this.current_token,this.advance(),a=c.op.led(this,a);return a};r.prototype.advance=function(b){if(b&&(null==this.current_token||null==this.current_token.op||
this.current_token.op.id!==b)){if(null==this.current_token)throw new n("Expected '"+b+"' at the end",this.tokens[this.tokens.length-1].to+1);throw new n("Expected '"+b+"'",this.current_token.from);}this.token_nr>=this.tokens.length?this.current_token=null:(this.current_token=this.tokens[this.token_nr],this.token_nr+=1)};r.prototype.addHiddenOperators=function(){for(var b=this.defs.findOperator("*"),a=this.defs.findOperator("`"),c=!1,g=!1,f=0;f<this.tokens.length-1;f++){var e=this.tokens[f],d=this.tokens[f+
-1];this.unit_mode&&("`"==e.value?c=!0:c&&("^"==e.value?g=!0:g&&e.type==l.NUMBER?g=!1:g||e.type!=l.NUMBER?g||e.type!=l.OPERATOR||-1!="*/^()".indexOf(e.value)?e.type==l.NAME&&"("==d.value&&(c=!1):c=!1:c=!1));if(e.type==l.NAME&&d.type==l.NAME||e.type==l.NUMBER&&d.type==l.NAME||e.type==l.NUMBER&&d.type==l.NUMBER||e.type==l.NUMBER&&("("==d.value||"["==d.value||"{"==d.value)||(")"==e.value||"]"==e.value||"}"==e.value)&&d.type==l.NAME||(")"==e.value||"]"==e.value||"}"==e.value)&&d.type==l.NUMBER||(")"==
-e.value||"]"==e.value||"}"==e.value)&&"("==d.value){if(e=this.unit_mode&&!c&&(e.type==l.NUMBER||")"==e.value||"]"==e.value||"}"==e.value)&&(d.type==l.NAME||("("==d.value||"["==d.value||"{"==d.value)&&this.tokens.length>f+2&&this.tokens[f+2].type==l.NAME)){var h,m;d.type==l.NAME?(h=d,m=f+1):(m=f+2,h=this.tokens[m]);for(var s=0;s<this.constants.length;s++)if(h.value==this.constants[s]){e=!1;break}if(this.tokens.length>m+1&&"("==this.tokens[m+1].value)for(m="pow sqrt abs exp factorial diff integrate sum product limit binomial matrix ln log log10 mod signum ceiling floor sin cos tan asin acos atan atan2 sinh cosh tanh asinh acosh atanh".split(" "),
-s=0;s<m.length;s++)if(h.value==m[s]){e=!1;break}}e?(d=new l(l.OPERATOR,d.from,d.from,a.id,a),c=!0):d=new l(l.OPERATOR,d.from,d.from,b.id,b);this.tokens.splice(f+1,0,d)}}};r.prototype.parse=function(b){this.tokens=(new t(this.defs,b)).tokenize();if(0==this.tokens.length)return null;this.implicit_operators&&this.addHiddenOperators();this.token_nr=0;this.current_token=this.tokens[this.token_nr];this.advance();b=this.expression(0);if(null!=this.current_token)throw new n("Expected the end",this.current_token.from);
-return b};"use strict";t.prototype.tokenize=function(){var b,a,c,g,f;a=0;b=this.text.charAt(a);f=[];a:for(;b;)if(g=a," ">=b)a++,b=this.text.charAt(a);else{if("0"<=b&&"9">=b||(b===m.DECIMAL_SIGN_1||b===m.DECIMAL_SIGN_2)&&"0"<=this.text.charAt(a+1)&&"9">=this.text.charAt(a+1)){c="";if(b!==m.DECIMAL_SIGN_1&&b!==m.DECIMAL_SIGN_2)for(a++,c+=b;;){b=this.text.charAt(a);if("0">b||"9"<b)break;a++;c+=b}if(b===m.DECIMAL_SIGN_1||b===m.DECIMAL_SIGN_2)for(a++,c+=b;;){b=this.text.charAt(a);if("0">b||"9"<b)break;
-a+=1;c+=b}if("e"===b||"E"===b){a++;c+=b;b=this.text.charAt(a);if("-"===b||"+"===b)a++,c+=b,b=this.text.charAt(a);if("0">b||"9"<b)throw new n("syntax error in number exponent",g,a);do a++,c+=b,b=this.text.charAt(a);while("0"<=b&&"9">=b)}var e=+c.replace(m.DECIMAL_SIGN_1,".").replace(m.DECIMAL_SIGN_2,".");if(isFinite(e)){f.push(new l(l.NUMBER,g,a-1,c,null));continue}else throw new n("syntax error in number",g,a);}for(c=0;c<this.defs.operators.length;c++)if(e=this.defs.operators[c],this.text.substring(a,
-a+e.id.length)===e.id){a+=e.id.length;b=this.text.charAt(a);f.push(new l(l.OPERATOR,g,a-1,e.id,e));continue a}if("a"<=b&&"z">=b||"A"<=b&&"Z">=b||"\u03b1"<=b&&"\u03c9">=b||"\u0391"<=b&&"\u03a9">=b||"\u00b5"==b){c=b;for(a++;;)if(b=this.text.charAt(a),"a"<=b&&"z">=b||"A"<=b&&"Z">=b||"\u03b1"<=b&&"\u03c9">=b||"\u0391"<=b&&"\u03a9">=b||"\u00b5"==b||"0"<=b&&"9">=b||"_"===b)c+=b,a++;else break;f.push(new l(l.NAME,g,a-1,c,null))}else throw new n("unrecognized operator",g,a);}return f};"use strict";l.UNKNOWN=
-0;l.NAME=1;l.NUMBER=2;l.OPERATOR=3;"use strict";var u=function(b){var a,c,e,f,k;a=b.ta;c=b.output_node;a=a.value;f="";for(k=a;k!=f;)f=k,k=f.replace(/\[[^\[\]]*\]/g,"");if(k.split("[").length==k.split("]").length){for(f="";k!=f;)f=k,k=f.replace(/\([^\(\)]*\)/g,"");if(k.split("(").length==k.split(")").length){for(f="";k!=f;)f=k,k=f.replace(/\{[^\{\}]*\}/g,"");k.split("{").length==k.split("}").length&&-1!=k.indexOf(m.ARG_SEPARATOR)&&(a="["+a+"]")}}if(a!=b.oldtxt){for(b.oldtxt=a;null!=c.firstChild;)c.removeChild(c.firstChild);
-c.removeAttribute("title");if(""!=a){b=b.parser;try{if(e=b.parse(a),null!=e){var d=document.createElement("math");d.setAttribute("display","block");d.appendChild(e.toMathML());c.appendChild(d);MathJax.Hub.Queue(["Typeset",MathJax.Hub,c])}}catch(h){e="error: "+h,c.setAttribute("title",e),h instanceof n?(c.appendChild(document.createTextNode(a.substring(0,h.from))),e=document.createElement("span"),e.appendChild(document.createTextNode(a.substring(h.from,h.to+1))),e.className="math-error",c.appendChild(e),
-h.to<a.length-1&&c.appendChild(document.createTextNode(a.substring(h.to+1)))):(a=document.createTextNode(e),c.appendChild(a))}}}},q=[];return{Definitions:m,ENode:e,Operator:p,ParseException:n,Parser:r,initEditors:function(){MathJax.Hub.Config({messageStyle:"none"});for(var b=document.getElementsByClassName("math"),a=0;a<q.length;a++){for(var c=q[a].ta,e=!1,f=0;f<b.length;f++)if(b[f]==c){e=!0;break}e||(f=q[a].output_node,f.parentNode&&f.parentNode.removeChild(f),q.splice(a,1),a--)}for(a=0;a<b.length;a++)if(c=
-b[a],"TEXTAREA"==c.nodeName||"INPUT"==c.nodeName){for(var k=-1,f=0;f<q.length;f++)if(q[f].ta==c){k=f;break}var e="true"===c.getAttribute("data-implicit_operators"),d="true"===c.getAttribute("data-unit_mode"),h=c.getAttribute("data-constants");h&&(h=h.split(/[\s,]+/));if(-1==k){f=document.createElement("span");f.style.display="none";f.style.position="absolute";f.style.backgroundColor="rgba(255,255,224,0.9)";f.style.color="black";f.style.border="1px solid #A0A0A0";f.style.padding="5px";f.style.zIndex=
-"1";var m=function(a,b){var c,d=a.getBoundingClientRect();c=a;for(var e=0,f=0;c&&!isNaN(c.offsetLeft)&&!isNaN(c.offsetTop);)if(e+=c.offsetLeft-c.scrollLeft,f+=c.offsetTop-c.scrollTop,c=c.offsetParent){var g=window.getComputedStyle(c);if("absolute"==g.position||"relative"==g.position)break}c=f;b.style.left=e+"px";b.style.top=window.innerHeight>d.bottom+b.offsetHeight?c+a.offsetHeight+"px":c-b.offsetHeight+"px"};c.nextSibling?c.parentNode.insertBefore(f,c.nextSibling):c.parentNode.appendChild(f);k=
-function(a){return function(b){a.style.display="none"}};c.addEventListener("blur",k(f),!1);c.addEventListener("focus",function(a,b){return function(c){""!=a.value&&(b.style.display="block",m(a,b))}}(c,f),!1);f.addEventListener("mouseenter",k(f),!1);k=q.length;q[k]={ta:c,output_node:f,oldtxt:"",parser:new r(e,d,h)};e=function(a){return function(b){var c=q[a];u(c);document.activeElement==c.ta&&(""!=c.ta.value?(c.output_node.style.display="block",MathJax.Hub.Queue(function(){m(c.ta,c.output_node)})):
-c.output_node.style.display="none")}}(k);""!=c.value&&e();c.addEventListener("change",e,!1);c.addEventListener("keyup",e,!1)}else{var l,n=q[k].parser;if(h||0!=n.constants.length)if(h){if(l=n.constants.length==h.length)for(f=0;f<h.length;f++)if(n.constants[f]!=h[f]){l=!1;break}}else l=!1;else l=!0;n.implicit_operators==e&&n.unit_mode==d&&l||(q[k].parser=new r(e,d,h),""!=c.value&&(q[k].oldtxt="",u(q[k])))}}},updateMathSpanAndDiv:function(){for(var b=document.getElementsByClassName("math"),a=[],c=0,
-e=a.length=b.length;c<e;c++)a[c]=b[c];for(c=0;c<a.length;c++)if(b=a[c],("SPAN"==b.nodeName||"DIV"==b.nodeName)&&null!=b.firstChild&&3==b.firstChild.nodeType){var e="SPAN"==b.nodeName,f=b.firstChild.nodeValue,k="true"===b.getAttribute("data-implicit_operators"),d="true"===b.getAttribute("data-unit_mode"),h=b.getAttribute("data-constants");h&&(h=h.split(/[\s,]+/));k=new r(k,d,h);try{var m=k.parse(f);if(null!=m){var l=document.createElement("math");l.setAttribute("display",e?"inline":"block");l.appendChild(m.toMathML(["#000000"]));
-b.classList.remove("math");b.removeChild(b.firstChild);b.appendChild(l);MathJax.Hub.Queue(["Typeset",MathJax.Hub,b])}}catch(n){b.firstChild.nodeValue="[syntax error in math:"+n+"]",b.classList.remove("math")}}}}}();
+1];this.unit_mode&&("`"==e.value?c=!0:c&&("^"==e.value?g=!0:g&&e.type==k.NUMBER?g=!1:g||e.type!=k.NUMBER?g||e.type!=k.OPERATOR||-1!="*/^()".indexOf(e.value)?e.type==k.NAME&&"("==d.value&&(c=!1):c=!1:c=!1));if(e.type==k.NAME&&d.type==k.NAME||e.type==k.NUMBER&&d.type==k.NAME||e.type==k.NUMBER&&d.type==k.NUMBER||e.type==k.NUMBER&&("("==d.value||"["==d.value||"{"==d.value)||(")"==e.value||"]"==e.value||"}"==e.value)&&d.type==k.NAME||(")"==e.value||"]"==e.value||"}"==e.value)&&d.type==k.NUMBER||(")"==
+e.value||"]"==e.value||"}"==e.value)&&"("==d.value){if(e=this.unit_mode&&!c&&(e.type==k.NUMBER||")"==e.value||"]"==e.value||"}"==e.value)&&(d.type==k.NAME||("("==d.value||"["==d.value||"{"==d.value)&&this.tokens.length>f+2&&this.tokens[f+2].type==k.NAME)){var h,l;d.type==k.NAME?(h=d,l=f+1):(l=f+2,h=this.tokens[l]);for(var s=0;s<this.constants.length;s++)if(h.value==this.constants[s]){e=!1;break}if(this.tokens.length>l+1&&"("==this.tokens[l+1].value)for(l="pow sqrt abs exp factorial diff integrate sum product limit binomial matrix ln log log10 mod signum ceiling floor sin cos tan asin acos atan atan2 sinh cosh tanh asinh acosh atanh".split(" "),
+s=0;s<l.length;s++)if(h.value==l[s]){e=!1;break}}e?(d=new k(k.OPERATOR,d.from,d.from,a.id,a),c=!0):d=new k(k.OPERATOR,d.from,d.from,b.id,b);this.tokens.splice(f+1,0,d)}}};r.prototype.parse=function(b){this.tokens=(new t(this.defs,b)).tokenize();if(0==this.tokens.length)return null;this.implicit_operators&&this.addHiddenOperators();this.token_nr=0;this.current_token=this.tokens[this.token_nr];this.advance();b=this.expression(0);if(null!=this.current_token)throw new n("Expected the end",this.current_token.from);
+return b};"use strict";t.prototype.tokenize=function(){var b,a,c,g,f;a=0;b=this.text.charAt(a);f=[];a:for(;b;)if(g=a," ">=b)a++,b=this.text.charAt(a);else{if("0"<=b&&"9">=b||(b===l.DECIMAL_SIGN_1||b===l.DECIMAL_SIGN_2)&&"0"<=this.text.charAt(a+1)&&"9">=this.text.charAt(a+1)){c="";if(b!==l.DECIMAL_SIGN_1&&b!==l.DECIMAL_SIGN_2)for(a++,c+=b;;){b=this.text.charAt(a);if("0">b||"9"<b)break;a++;c+=b}if(b===l.DECIMAL_SIGN_1||b===l.DECIMAL_SIGN_2)for(a++,c+=b;;){b=this.text.charAt(a);if("0">b||"9"<b)break;
+a+=1;c+=b}if("e"===b||"E"===b){a++;c+=b;b=this.text.charAt(a);if("-"===b||"+"===b)a++,c+=b,b=this.text.charAt(a);if("0">b||"9"<b)throw new n("syntax error in number exponent",g,a);do a++,c+=b,b=this.text.charAt(a);while("0"<=b&&"9">=b)}var e=+c.replace(l.DECIMAL_SIGN_1,".").replace(l.DECIMAL_SIGN_2,".");if(isFinite(e)){f.push(new k(k.NUMBER,g,a-1,c,null));continue}else throw new n("syntax error in number",g,a);}for(c=0;c<this.defs.operators.length;c++)if(e=this.defs.operators[c],this.text.substring(a,
+a+e.id.length)===e.id){a+=e.id.length;b=this.text.charAt(a);f.push(new k(k.OPERATOR,g,a-1,e.id,e));continue a}if("a"<=b&&"z">=b||"A"<=b&&"Z">=b||"\u03b1"<=b&&"\u03c9">=b||"\u0391"<=b&&"\u03a9">=b||"\u00b5"==b){c=b;for(a++;;)if(b=this.text.charAt(a),"a"<=b&&"z">=b||"A"<=b&&"Z">=b||"\u03b1"<=b&&"\u03c9">=b||"\u0391"<=b&&"\u03a9">=b||"\u00b5"==b||"0"<=b&&"9">=b||"_"===b)c+=b,a++;else break;f.push(new k(k.NAME,g,a-1,c,null))}else throw new n("unrecognized operator",g,a);}return f};"use strict";k.UNKNOWN=
+0;k.NAME=1;k.NUMBER=2;k.OPERATOR=3;"use strict";var u=function(b){var a,c,e,f,m;a=b.ta;c=b.output_node;a=a.value;f="";for(m=a;m!=f;)f=m,m=f.replace(/\[[^\[\]]*\]/g,"");if(m.split("[").length==m.split("]").length){for(f="";m!=f;)f=m,m=f.replace(/\([^\(\)]*\)/g,"");if(m.split("(").length==m.split(")").length){for(f="";m!=f;)f=m,m=f.replace(/\{[^\{\}]*\}/g,"");m.split("{").length==m.split("}").length&&-1!=m.indexOf(l.ARG_SEPARATOR)&&(a="["+a+"]")}}if(a!=b.oldtxt){for(b.oldtxt=a;null!=c.firstChild;)c.removeChild(c.firstChild);
+c.removeAttribute("title");if(""!=a){b=b.parser;try{if(e=b.parse(a),null!=e){var d=document.createElement("math");d.setAttribute("display","block");d.appendChild(e.toMathML());c.appendChild(d);MathJax.Hub.Queue(["Typeset",MathJax.Hub,c])}}catch(h){e="error: "+h,c.setAttribute("title",e),h instanceof n?(c.appendChild(document.createTextNode(a.substring(0,h.from))),e=document.createElement("span"),e.appendChild(document.createTextNode(a.substring(h.from,h.to+1))),e.style.border="solid 1px red",e.style.minWidth=
+"1px",c.appendChild(e),h.to<a.length-1&&c.appendChild(document.createTextNode(a.substring(h.to+1)))):(a=document.createTextNode(e),c.appendChild(a))}}}},q=[];return{Definitions:l,ENode:e,Operator:p,ParseException:n,Parser:r,initEditors:function(){MathJax.Hub.Config({messageStyle:"none"});for(var b=document.getElementsByClassName("math"),a=0;a<q.length;a++){for(var c=q[a].ta,e=!1,f=0;f<b.length;f++)if(b[f]==c){e=!0;break}e||(f=q[a].output_node,f.parentNode&&f.parentNode.removeChild(f),q.splice(a,1),
+a--)}for(a=0;a<b.length;a++)if(c=b[a],"TEXTAREA"==c.nodeName||"INPUT"==c.nodeName){e=-1;for(f=0;f<q.length;f++)if(q[f].ta==c){e=f;break}var m="true"===c.getAttribute("data-implicit_operators"),d="true"===c.getAttribute("data-unit_mode"),h=c.getAttribute("data-constants");h&&(h=h.split(/[\s,]+/));if(-1==e){f=document.createElement("span");f.style.display="none";f.style.position="absolute";f.style.backgroundColor="rgba(255,255,224,0.9)";f.style.color="black";f.style.border="1px solid #A0A0A0";f.style.padding=
+"5px";f.style.zIndex="1";var l=function(a,b){var c,d=a.getBoundingClientRect();c=a;for(var e=0,f=0;c&&!isNaN(c.offsetLeft)&&!isNaN(c.offsetTop);)if(e+=c.offsetLeft-c.scrollLeft,f+=c.offsetTop-c.scrollTop,c=c.offsetParent){var g=window.getComputedStyle(c);if("absolute"==g.position||"relative"==g.position)break}c=f;b.style.left=e+"px";b.style.top=window.innerHeight>d.bottom+b.offsetHeight?c+a.offsetHeight+"px":c-b.offsetHeight+"px"};c.nextSibling?c.parentNode.insertBefore(f,c.nextSibling):c.parentNode.appendChild(f);
+c.addEventListener("blur",function(a){return function(b){a.style.display="none"}}(f),!1);c.addEventListener("focus",function(a,b){return function(c){""!=a.value&&(b.style.display="block",l(a,b))}}(c,f),!1);f.addEventListener("mouseenter",function(a){return function(b){a.hasAttribute("title")||(a.style.display="none")}}(f),!1);e=q.length;q[e]={ta:c,output_node:f,oldtxt:"",parser:new r(m,d,h)};f=function(a){return function(b){var c=q[a];u(c);document.activeElement==c.ta&&(""!=c.ta.value?(c.output_node.style.display=
+"block",MathJax.Hub.Queue(function(){l(c.ta,c.output_node)})):c.output_node.style.display="none")}}(e);""!=c.value&&f();c.addEventListener("change",f,!1);c.addEventListener("keyup",f,!1)}else{var k,n=q[e].parser;if(h||0!=n.constants.length)if(h){if(k=n.constants.length==h.length)for(f=0;f<h.length;f++)if(n.constants[f]!=h[f]){k=!1;break}}else k=!1;else k=!0;n.implicit_operators==m&&n.unit_mode==d&&k||(q[e].parser=new r(m,d,h),""!=c.value&&(q[e].oldtxt="",u(q[e])))}}},updateMathSpanAndDiv:function(){for(var b=
+document.getElementsByClassName("math"),a=[],c=0,e=a.length=b.length;c<e;c++)a[c]=b[c];for(c=0;c<a.length;c++)if(b=a[c],("SPAN"==b.nodeName||"DIV"==b.nodeName)&&null!=b.firstChild&&3==b.firstChild.nodeType){var e="SPAN"==b.nodeName,f=b.firstChild.nodeValue,m="true"===b.getAttribute("data-implicit_operators"),d="true"===b.getAttribute("data-unit_mode"),h=b.getAttribute("data-constants");h&&(h=h.split(/[\s,]+/));m=new r(m,d,h);try{var l=m.parse(f);if(null!=l){var k=document.createElement("math");k.setAttribute("display",
+e?"inline":"block");k.appendChild(l.toMathML(["#000000"]));b.classList.remove("math");b.removeChild(b.firstChild);b.appendChild(k);MathJax.Hub.Queue(["Typeset",MathJax.Hub,b])}}catch(n){b.firstChild.nodeValue="[syntax error in math:"+n+"]",b.classList.remove("math")}}}}}();
Index: loncom/html/adm/LC_math_editor/src/ui.js
diff -u loncom/html/adm/LC_math_editor/src/ui.js:1.2 loncom/html/adm/LC_math_editor/src/ui.js:1.3
--- loncom/html/adm/LC_math_editor/src/ui.js:1.2 Tue Feb 24 15:20:44 2015
+++ loncom/html/adm/LC_math_editor/src/ui.js Wed Feb 25 20:54:06 2015
@@ -79,7 +79,8 @@
output_node.appendChild(document.createTextNode(txt.substring(0, e.from)));
var span = document.createElement('span');
span.appendChild(document.createTextNode(txt.substring(e.from, e.to + 1)));
- span.className = 'math-error';
+ span.style.border = 'solid 1px red';// this used to be CSS "math-error", but using CSS caused too many problems
+ span.style.minWidth = '1px';
output_node.appendChild(span);
if (e.to < txt.length - 1) {
output_node.appendChild(document.createTextNode(txt.substring(e.to + 1)));
@@ -190,6 +191,12 @@
an_output_node.style.display = "none";
};
}
+ var hide_node_if_no_error = function(an_output_node) {
+ return function(e) {
+ if (!an_output_node.hasAttribute('title'))
+ an_output_node.style.display = "none";
+ };
+ }
var focus = function(a_ta, an_output_node) {
return function(e) {
if (a_ta.value != '') {
@@ -200,7 +207,7 @@
};
ta.addEventListener("blur", hide_node(output_node), false);
ta.addEventListener("focus", focus(ta, output_node), false);
- output_node.addEventListener("mouseenter", hide_node(output_node), false);
+ output_node.addEventListener("mouseenter", hide_node_if_no_error(output_node), false);
ind_math = math_objects.length;
var oldtxt = "";
math_objects[ind_math] = {
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