chamilo
/
chamilo-lms
mirror of https://github.com/chamilo/chamilo-lms/tree/1.11.x
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Feature #2132 - "asciisvg" plug-in: Cleaning whitespace within a file.

Browse Source
skala
Ivan Tcholakov 14 years ago
parent bfb775a04d
commit bff84e6767
1 changed files with 312 additions and 312 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 624
      main/inc/lib/fckeditor/editor/plugins/asciisvg/ASCIIsvgPI.js

624
main/inc/lib/fckeditor/editor/plugins/asciisvg/ASCIIsvgPI.js
Unescape View File

@ -19,10 +19,10 @@ it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful,
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License (at http://www.gnu.org/copyleft/gpl.html)
General Public License (at http://www.gnu.org/copyleft/gpl.html)
for more details.*/
//var AScgiloc = 'http://www.imathas.com/imathas/filter/graph/svgimg.php';
@ -62,7 +62,7 @@ var arcsin = Math.asin, arccos = Math.acos, arctan = Math.atan;
var sec = function(x) { return 1/Math.cos(x) };
var csc = function(x) { return 1/Math.sin(x) };
var cot = function(x) { return 1/Math.tan(x) };
var xmin, xmax, ymin, ymax, xscl, yscl,
var xmin, xmax, ymin, ymax, xscl, yscl,
xgrid, ygrid, xtick, ytick, initialized;
var isIE = document.createElementNS==null;
var picture, svgpicture, doc, width, height, a, b, c, d, i, n, p, t, x, y;
@ -71,7 +71,7 @@ var arccsc = function(x) { return arcsin(1/x) };
var arccot = function(x) { return arctan(1/x) };
var sinh = function(x) { return (Math.exp(x)-Math.exp(-x))/2 };
var cosh = function(x) { return (Math.exp(x)+Math.exp(-x))/2 };
var tanh =
var tanh =
function(x) { return (Math.exp(x)-Math.exp(-x))/(Math.exp(x)+Math.exp(-x)) };
var sech = function(x) { return 1/cosh(x) };
var csch = function(x) { return 1/sinh(x) };
@ -122,29 +122,29 @@ function myCreateElementXHTML(t) {
function isSVGavailable() {
//Safari 3 can do SVG, but still has issues.
//Safari 3 can do SVG, but still has issues.
if ((ver = navigator.userAgent.toLowerCase().match(/safari\/(\d+)/))!=null) {
//if (ver[1]>524) {
// return null;
//}
return 1;
}
//Opera can do SVG, but not very pretty, so might want to skip it
//if (ver[1]>524) {
// return null;
//}
return 1;
}
//Opera can do SVG, but not very pretty, so might want to skip it
if ((ver = navigator.userAgent.toLowerCase().match(/opera\/([\d\.]+)/))!=null) {
if (ver[1]>9.1) {
return null;
}
if (ver[1]>9.1) {
return null;
}
}
//Mozillas.
//Mozillas.
if (navigator.product && navigator.product=='Gecko') {
var rv = navigator.userAgent.toLowerCase().match(/rv:\s*([\d\.]+)/);
if (rv!=null) {
rv = rv[1].split('.');
if (rv.length<3) { rv[2] = 0;}
if (rv.length<2) { rv[1] = 0;}
}
if (rv!=null && 10000*rv[0]+100*rv[1]+1*rv[2]>=10800) return null;
else return 1;
var rv = navigator.userAgent.toLowerCase().match(/rv:\s*([\d\.]+)/);
if (rv!=null) {
rv = rv[1].split('.');
if (rv.length<3) { rv[2] = 0;}
if (rv.length<2) { rv[1] = 0;}
}
if (rv!=null && 10000*rv[0]+100*rv[1]+1*rv[2]>=10800) return null;
else return 1;
}
//IE + AdobeSVGviewer
if (navigator.appName.slice(0,9)=="Microsoft")
@ -159,7 +159,7 @@ function isSVGavailable() {
function less(x,y) { return x < y } // used for scripts in XML files
// since IE does not handle CDATA well
function setText(st,id) {
function setText(st,id) {
var node = document.getElementById(id);
if (node!=null)
if (node.childNodes.length!=0) node.childNodes[0].nodeValue = st;
@ -196,7 +196,7 @@ function top_listener(evt) {
}
function bottom_listener(evt) {
function bottom_listener(evt) {
svgpicture.setAttribute("ybase",evt.clientY-height+1);
}
@ -260,12 +260,12 @@ function updatePicture(obj) {
function showHideCode(obj) {
var node = obj.nextSibling;
while (node != null && node.nodeName != "BUTTON" &&
while (node != null && node.nodeName != "BUTTON" &&
node.nodeName != "button") node = node.nextSibling;
if (node.style.display == "none") node.style.display = "";
else node.style.display = "none";
while (node != null && node.nodeName != "TEXTAREA" &&
while (node != null && node.nodeName != "TEXTAREA" &&
node.nodeName != "textarea") node = node.previousSibling;
if (node.style.display == "none") node.style.display = "";
else node.style.display = "none";
@ -285,12 +285,12 @@ function nobutton() { //do nothing
}
function setBorder(l,b,r,t) {
if (t==null) {
border = new Array(l,l,l,l);
} else {
border = new Array(l,b,r,t);
}
function setBorder(l,b,r,t) {
if (t==null) {
border = new Array(l,l,l,l);
} else {
border = new Array(l,b,r,t);
}
}
@ -315,17 +315,17 @@ function initPicture(x_min,x_max,y_min,y_max) {
if (y_max!=null) ymax = y_max;
if (xmin==null) xmin = -5;
if (xmax==null) xmax = 5;
if (typeof xmin != "number" || typeof xmax != "number" || xmin >= xmax)
if (typeof xmin != "number" || typeof xmax != "number" || xmin >= xmax)
alert("Picture requires at least two numbers: xmin < xmax");
else if (y_max != null && (typeof y_min != "number" ||
else if (y_max != null && (typeof y_min != "number" ||
typeof y_max != "number" || y_min >= y_max))
alert("initPicture(xmin,xmax,ymin,ymax) requires numbers ymin < ymax");
else {
//if (width==null)
//if (width==null)
width = picture.getAttribute("width");
//else picture.setAttribute("width",width);
if (width==null || width=="") width=defaultwidth;
//if (height==null)
//if (height==null)
height = picture.getAttribute("height");
//else picture.setAttribute("height",height);
if (height==null || height=="") height=defaultheight;
@ -348,8 +348,8 @@ function initPicture(x_min,x_max,y_min,y_max) {
// if (true ||picture.nodeName == "EMBED" || picture.nodeName == "embed") {
if (isIE) {
svgpicture = picture.getSVGDocument().getElementById("root");
while (svgpicture.childNodes.length()>5)
svgpicture.removeChild(svgpicture.lastChild);
while (svgpicture.childNodes.length()>5)
svgpicture.removeChild(svgpicture.lastChild);
svgpicture.setAttribute("width",width);
svgpicture.setAttribute("height",height);
doc = picture.getSVGDocument();
@ -438,7 +438,7 @@ function line(p,q,id) { // segment connecting points p,q (coordinates in units)
(height-p[1]*yunitlength-origin[1])+" "+
(q[0]*xunitlength+origin[0])+","+(height-q[1]*yunitlength-origin[1]));
node.setAttribute("stroke-width", strokewidth);
if (strokedasharray!=null)
if (strokedasharray!=null)
node.setAttribute("stroke-dasharray", strokedasharray);
node.setAttribute("stroke", stroke);
node.setAttribute("fill", fill);
@ -470,7 +470,7 @@ function path(plist,id,c) {
}
node.setAttribute("d", st);
node.setAttribute("stroke-width", strokewidth);
if (strokedasharray!=null)
if (strokedasharray!=null)
node.setAttribute("stroke-dasharray", strokedasharray);
node.setAttribute("stroke", stroke);
node.setAttribute("fill", fill);
@ -504,11 +504,11 @@ function circle(center,radius,id) { // coordinates in units
}
function loop(p,d,id) {
function loop(p,d,id) {
// d is a direction vector e.g. [1,0] means loop starts in that direction
if (d==null) d=[1,0];
path([p,[p[0]+d[0],p[1]+d[1]],[p[0]-d[1],p[1]+d[0]],p],id,"C");
if (marker=="arrow" || marker=="arrowdot")
if (marker=="arrow" || marker=="arrowdot")
arrowhead([p[0]+Math.cos(1.4)*d[0]-Math.sin(1.4)*d[1],
p[1]+Math.sin(1.4)*d[0]+Math.cos(1.4)*d[1]],p);
}
@ -587,65 +587,65 @@ function rect(p,q,id,rx,ry) { // opposite corners in units, rounded by radii
}
function text(p,st,pos,angle) {
p[0] = p[0]*xunitlength+origin[0];
p[1] = p[1]*yunitlength+origin[1];
textabs(p,st,pos,angle);
p[0] = p[0]*xunitlength+origin[0];
p[1] = p[1]*yunitlength+origin[1];
textabs(p,st,pos,angle);
}
function textabs(p,st,pos,angle,id,fontsty) {
if (angle==null) {
angle = 0;
angle = 0;
} else {
angle = (360 - angle)%360;
angle = (360 - angle)%360;
}
var textanchor = "middle";
var dx=0; var dy=0;
if (angle==270) {
var dy = 0; var dx = fontsize/3;
if (pos!=null) {
if (pos.match(/left/)) {dx = -fontsize/2;}
if (pos.match(/right/)) {dx = fontsize-0;}
if (pos.match(/above/)) {
textanchor = "start";
dy = -fontsize/2;
}
if (pos.match(/below/)) {
textanchor = "end";
dy = fontsize/2;
}
}
}
var dy = 0; var dx = fontsize/3;
if (pos!=null) {
if (pos.match(/left/)) {dx = -fontsize/2;}
if (pos.match(/right/)) {dx = fontsize-0;}
if (pos.match(/above/)) {
textanchor = "start";
dy = -fontsize/2;
}
if (pos.match(/below/)) {
textanchor = "end";
dy = fontsize/2;
}
}
}
if (angle==90) {
var dy = 0; var dx = -fontsize/3;
if (pos!=null) {
if (pos.match(/left/)) dx = -fontsize-0;
if (pos.match(/right/)) dx = fontsize/2;
if (pos.match(/above/)) {
textanchor = "end";
dy = -fontsize/2;
}
if (pos.match(/below/)) {
textanchor = "start";
dy = fontsize/2;
}
}
var dy = 0; var dx = -fontsize/3;
if (pos!=null) {
if (pos.match(/left/)) dx = -fontsize-0;
if (pos.match(/right/)) dx = fontsize/2;
if (pos.match(/above/)) {
textanchor = "end";
dy = -fontsize/2;
}
if (pos.match(/below/)) {
textanchor = "start";
dy = fontsize/2;
}
}
}
if (angle==0) {
var dx = 0; var dy = fontsize/3;
if (pos!=null) {
if (pos.match(/above/)) { dy = -fontsize/3; }
if (pos.match(/below/)) { dy = fontsize-0; }
if (pos.match(/right/)) {
textanchor = "start";
dx = fontsize/3;
}
if (pos.match(/left/)) {
textanchor = "end";
dx = -fontsize/3;
}
}
var dx = 0; var dy = fontsize/3;
if (pos!=null) {
if (pos.match(/above/)) { dy = -fontsize/3; }
if (pos.match(/below/)) { dy = fontsize-0; }
if (pos.match(/right/)) {
textanchor = "start";
dx = fontsize/3;
}
if (pos.match(/left/)) {
textanchor = "end";
dx = -fontsize/3;
}
}
}
var node;
if (id!=null) node = doc.getElementById(id);
if (node==null) {
@ -658,7 +658,7 @@ function textabs(p,st,pos,angle,id,fontsty) {
node.setAttribute("x",p[0]+dx);
node.setAttribute("y",height-p[1]+dy);
if (angle != 0) {
node.setAttribute("transform","rotate("+angle+" "+(p[0]+dx)+" "+(height-p[1]+dy)+")");
node.setAttribute("transform","rotate("+angle+" "+(p[0]+dx)+" "+(height-p[1]+dy)+")");
}
node.setAttribute("font-style",(fontsty!=null?fontsty:fontstyle));
node.setAttribute("font-family",fontfamily);
@ -669,19 +669,19 @@ function textabs(p,st,pos,angle,id,fontsty) {
if (fontfill!="none") node.setAttribute("fill",fontfill);
node.setAttribute("stroke-width","0px");
if (fontbackground!="none") {
var bgnode = myCreateElementSVG("rect");
var bb = node.getBBox();
bgnode.setAttribute("fill",fontbackground);
bgnode.setAttribute("stroke-width","0px");
bgnode.setAttribute("x",bb.x-2);
bgnode.setAttribute("y",bb.y-2);
bgnode.setAttribute("width",bb.width+4);
bgnode.setAttribute("height",bb.height+4);
if (angle != 0) {
bgnode.setAttribute("transform","rotate("+angle+" "+(p[0]+dx)+" "+(height-p[1]+dy)+")");
}
svgpicture.insertBefore(bgnode,node);
var bgnode = myCreateElementSVG("rect");
var bb = node.getBBox();
bgnode.setAttribute("fill",fontbackground);
bgnode.setAttribute("stroke-width","0px");
bgnode.setAttribute("x",bb.x-2);
bgnode.setAttribute("y",bb.y-2);
bgnode.setAttribute("width",bb.width+4);
bgnode.setAttribute("height",bb.height+4);
if (angle != 0) {
bgnode.setAttribute("transform","rotate("+angle+" "+(p[0]+dx)+" "+(height-p[1]+dy)+")");
}
svgpicture.insertBefore(bgnode,node);
}
return p;
}
@ -738,7 +738,7 @@ function dot(center, typ, label, pos, id) {
node.setAttribute("stroke", stroke);
node.setAttribute("fill", (typ=="open"?"white":stroke));
}
if (label!=null)
if (label!=null)
text(center,label,(pos==null?"below":pos),(id==null?id:id+"label"))
}
@ -759,7 +759,7 @@ function arrowhead(p,q) { // draw arrowhead at q (in units)
node.setAttribute("stroke-width", markerstrokewidth);
node.setAttribute("stroke", stroke); /*was markerstroke*/
node.setAttribute("fill", stroke); /*was arrowfill*/
svgpicture.appendChild(node);
svgpicture.appendChild(node);
}
}
@ -810,16 +810,16 @@ function axes(dx,dy,labels,gdx,gdy,dox,doy) {
pnode = myCreateElementSVG("path");
st="";
if (dox && gdx>0) {
for (x = origin[0]; x<=winxmax; x = x+gdx)
if (x>=winxmin) st += " M"+x+","+winymin+" "+x+","+winymax;
for (x = origin[0]-gdx; x>=winxmin; x = x-gdx)
if (x<=winxmax) st += " M"+x+","+winymin+" "+x+","+winymax;
for (x = origin[0]; x<=winxmax; x = x+gdx)
if (x>=winxmin) st += " M"+x+","+winymin+" "+x+","+winymax;
for (x = origin[0]-gdx; x>=winxmin; x = x-gdx)
if (x<=winxmax) st += " M"+x+","+winymin+" "+x+","+winymax;
}
if (doy && gdy>0) {
for (y = height-origin[1]; y<=winymax; y = y+gdy)
if (y>=winymin) st += " M"+winxmin+","+y+" "+winxmax+","+y;
for (y = height-origin[1]-gdy; y>=winymin; y = y-gdy)
if (y<=winymax) st += " M"+winxmin+","+y+" "+winxmax+","+y;
for (y = height-origin[1]; y<=winymax; y = y+gdy)
if (y>=winymin) st += " M"+winxmin+","+y+" "+winxmax+","+y;
for (y = height-origin[1]-gdy; y>=winymin; y = y-gdy)
if (y<=winymax) st += " M"+winxmin+","+y+" "+winxmax+","+y;
}
pnode.setAttribute("d",st);
pnode.setAttribute("stroke-width", .5);
@ -829,25 +829,25 @@ function axes(dx,dy,labels,gdx,gdy,dox,doy) {
}
pnode = myCreateElementSVG("path");
if (dox) {
st="M"+winxmin+","+(height-origin[1])+" "+winxmax+","+
st="M"+winxmin+","+(height-origin[1])+" "+winxmax+","+
(height-origin[1]);
}
if (doy) {
st += " M"+origin[0]+","+winymin+" "+origin[0]+","+winymax;
st += " M"+origin[0]+","+winymin+" "+origin[0]+","+winymax;
}
if (dox) {
for (x = origin[0]; x<winxmax; x = x+dx)
if (x>=winymin) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+
(height-origin[1]-ticklength);
for (x = origin[0]-dx; x>winxmin; x = x-dx)
if (x<=winxmax) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+
(height-origin[1]-ticklength);
for (x = origin[0]; x<winxmax; x = x+dx)
if (x>=winymin) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+
(height-origin[1]-ticklength);
for (x = origin[0]-dx; x>winxmin; x = x-dx)
if (x<=winxmax) st += " M"+x+","+(height-origin[1]+ticklength)+" "+x+","+
(height-origin[1]-ticklength);
}
if (doy) {
for (y = height-origin[1]; y<winymax; y = y+dy)
if (y>=winymin) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;
for (y = height-origin[1]-dy; y>winymin; y = y-dy)
if (y<=winymax) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;
for (y = height-origin[1]; y<winymax; y = y+dy)
if (y>=winymin) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;
for (y = height-origin[1]-dy; y>winymin; y = y-dy)
if (y<=winymax) st += " M"+(origin[0]+ticklength)+","+y+" "+(origin[0]-ticklength)+","+y;
}
if (labels!=null) with (Math) {
ldx = dx/xunitlength;
@ -861,16 +861,16 @@ function axes(dx,dy,labels,gdx,gdy,dox,doy) {
if (ddy<0) { ddy = 0;}
if (ddx<0) { ddx = 0;}
if (dox) {
for (x = (doy?ldx:0); x<=xmax; x = x+ldx)
if (x>=xmin) text([x,ly],chopZ(x.toFixed(ddx)),lxp);
for (x = -ldx; xmin<=x; x = x-ldx)
if (x<=xmax) text([x,ly],chopZ(x.toFixed(ddx)),lxp);
for (x = (doy?ldx:0); x<=xmax; x = x+ldx)
if (x>=xmin) text([x,ly],chopZ(x.toFixed(ddx)),lxp);
for (x = -ldx; xmin<=x; x = x-ldx)
if (x<=xmax) text([x,ly],chopZ(x.toFixed(ddx)),lxp);
}
if (doy) {
for (y = (dox?ldy:0); y<=ymax; y = y+ldy)
if (y>=ymin) text([lx,y],chopZ(y.toFixed(ddy)),lyp);
for (y = -ldy; ymin<=y; y = y-ldy)
if (y<=ymax) text([lx,y],chopZ(y.toFixed(ddy)),lyp);
for (y = (dox?ldy:0); y<=ymax; y = y+ldy)
if (y>=ymin) text([lx,y],chopZ(y.toFixed(ddy)),lyp);
for (y = -ldy; ymin<=y; y = y-ldy)
if (y<=ymax) text([lx,y],chopZ(y.toFixed(ddy)),lyp);
}
}
pnode.setAttribute("d",st);
@ -881,30 +881,30 @@ function axes(dx,dy,labels,gdx,gdy,dox,doy) {
}
function safepow(base,power) {
if (base<0 && Math.floor(power)!=power) {
for (var j=3; j<50; j+=2) {
if (Math.abs(Math.round(j*power)-(j*power))<.000001) {
if (Math.round(j*power)%2==0) {
return Math.pow(Math.abs(base),power);
} else {
return -1*Math.pow(Math.abs(base),power);
}
}
}
return sqrt(-1);
} else {
return Math.pow(base,power);
}
if (base<0 && Math.floor(power)!=power) {
for (var j=3; j<50; j+=2) {
if (Math.abs(Math.round(j*power)-(j*power))<.000001) {
if (Math.round(j*power)%2==0) {
return Math.pow(Math.abs(base),power);
} else {
return -1*Math.pow(Math.abs(base),power);
}
}
}
return sqrt(-1);
} else {
return Math.pow(base,power);
}
}
function nthroot(n,base) {
return safepow(base,1/n);
return safepow(base,1/n);
}
function nthlogten(n,v) {
return ((Math.log(v))/(Math.log(n)));
return ((Math.log(v))/(Math.log(n)));
}
function matchtolower(match) {
return match.toLowerCase();
return match.toLowerCase();
}
function mathjs(st,varlist) {
@ -921,22 +921,22 @@ function mathjs(st,varlist) {
st = st.replace("]",")");
st = st.replace(/arc(sin|cos|tan)/g,"a#r#c $1");
if (varlist != null) {
var reg = new RegExp("(sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)[\(]","g");
st = st.replace(reg,"$1#(");
var reg = new RegExp("("+varlist+")("+varlist+")$","g");
st = st.replace(reg,"($1)($2)");
var reg = new RegExp("("+varlist+")(a#|sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)","g");
st = st.replace(reg,"($1)$2");
var reg = new RegExp("("+varlist+")("+varlist+")([^a-df-zA-Z\(#])","g"); // 6/1/09 readded \( for f(350/x)
st = st.replace(reg,"($1)($2)$3"); //get xy3
//var reg = new RegExp("("+varlist+")("+varlist+")(\w*[^\(#])","g");
//st = st.replace(reg,"($1)($2)$3"); //get xysin
var reg = new RegExp("([^a-df-zA-Z#])("+varlist+")([^a-df-zA-Z#])","g");
st = st.replace(reg,"$1($2)$3");
var reg = new RegExp("^("+varlist+")([^a-df-zA-Z])","g");
st = st.replace(reg,"($1)$2");
var reg = new RegExp("([^a-df-zA-Z])("+varlist+")$","g");
st = st.replace(reg,"$1($2)");
var reg = new RegExp("(sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)[\(]","g");
st = st.replace(reg,"$1#(");
var reg = new RegExp("("+varlist+")("+varlist+")$","g");
st = st.replace(reg,"($1)($2)");
var reg = new RegExp("("+varlist+")(a#|sqrt|ln|log|sin|cos|tan|sec|csc|cot|abs)","g");
st = st.replace(reg,"($1)$2");
var reg = new RegExp("("+varlist+")("+varlist+")([^a-df-zA-Z\(#])","g"); // 6/1/09 readded \( for f(350/x)
st = st.replace(reg,"($1)($2)$3"); //get xy3
//var reg = new RegExp("("+varlist+")("+varlist+")(\w*[^\(#])","g");
//st = st.replace(reg,"($1)($2)$3"); //get xysin
var reg = new RegExp("([^a-df-zA-Z#])("+varlist+")([^a-df-zA-Z#])","g");
st = st.replace(reg,"$1($2)$3");
var reg = new RegExp("^("+varlist+")([^a-df-zA-Z])","g");
st = st.replace(reg,"($1)$2");
var reg = new RegExp("([^a-df-zA-Z])("+varlist+")$","g");
st = st.replace(reg,"$1($2)");
}
st = st.replace(/#/g,"");
st = st.replace(/a#r#c\s+(sin|cos|tan)/g,"arc$1");
@ -944,7 +944,7 @@ function mathjs(st,varlist) {
st = st.replace(/(Sin|Cos|Tan|Sec|Csc|Cot|Arc|Abs|Log|Ln)/g, matchtolower);
st = st.replace(/log_(\d+)\(/,"nthlog($1,");
st = st.replace(/log/g,"logten");
if (st.indexOf("^-1")!=-1) {
st = st.replace(/sin\^-1/g,"arcsin");
st = st.replace(/cos\^-1/g,"arccos");
@ -959,25 +959,25 @@ function mathjs(st,varlist) {
st = st.replace(/csch\^-1/g,"arccsch");
st = st.replace(/coth\^-1/g,"arccoth");
}
st = st.replace(/root\((\d+)\)\(/,"nthroot($1,");
//st = st.replace(/E/g,"(EE)");
st = st.replace(/([0-9])E([\-0-9])/g,"$1(EE)$2");
st = st.replace(/^e$/g,"(E)");
st = st.replace(/pi/g,"(pi)");
st = st.replace(/^e([^a-zA-Z])/g,"(E)$1");
st = st.replace(/([^a-zA-Z])e$/g,"$1(E)");
st = st.replace(/([^a-zA-Z])e([^a-zA-Z])/g,"$1(E)$2");
st = st.replace(/([0-9])([\(a-zA-Z])/g,"$1*$2");
st = st.replace(/(!)([0-9\(])/g,"$1*$2");
//want to keep scientific notation
st= st.replace(/([0-9])\*\(EE\)([\-0-9])/,"$1e$2");
st = st.replace(/\)([\(0-9a-zA-Z])/g,"\)*$1");
var i,j,k, ch, nested;
while ((i=st.indexOf("^"))!=-1) {
@ -1007,7 +1007,7 @@ function mathjs(st,varlist) {
j--;
while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z")
j--;
} else {
} else {
return "Error: incorrect syntax in "+st+" at position "+j;
}
//find right argument
@ -1037,16 +1037,16 @@ function mathjs(st,varlist) {
while (k<st.length && (ch=st.charAt(k))>="a" && ch<="z" ||
ch>="A" && ch<="Z") k++;
if (ch=='(' && st.slice(i+1,k).match(/^(sin|cos|tan|sec|csc|cot|logten|log|ln|exp|arcsin|arccos|arctan|arcsec|arccsc|arccot|sinh|cosh|tanh|sech|csch|coth|arcsinh|arccosh|arctanh|arcsech|arccsch|arccoth|sqrt|abs|nthroot)$/)) {
nested = 1;
k++;
while (k<st.length && nested>0) {
ch = st.charAt(k);
if (ch=="(") nested++;
else if (ch==")") nested--;
k++;
}
nested = 1;
k++;
while (k<st.length && nested>0) {
ch = st.charAt(k);
if (ch=="(") nested++;
else if (ch==")") nested--;
k++;
}
}
} else {
} else {
return "Error: incorrect syntax in "+st+" at position "+k;
}
st = st.slice(0,j+1)+"safepow("+st.slice(j+1,i)+","+st.slice(i+1,k)+")"+
@ -1079,7 +1079,7 @@ function mathjs(st,varlist) {
j--;
while (j>=0 && (ch=st.charAt(j))>="a" && ch<="z" || ch>="A" && ch<="Z")
j--;
} else {
} else {
return "Error: incorrect syntax in "+st+" at position "+j;
}
st = st.slice(0,j+1)+"factorial("+st.slice(j+1,i)+")"+st.slice(i+1);
@ -1090,7 +1090,7 @@ function mathjs(st,varlist) {
function slopefield(fun,dx,dy) {
var g = fun;
if (typeof fun=="string")
if (typeof fun=="string")
eval("g = function(x,y){ with(Math) return "+mathjs(fun)+" }");
var gxy,x,y,u,v,dz;
if (dx==null) dx=1;
@ -1112,88 +1112,88 @@ function slopefield(fun,dx,dy) {
//ASCIIsvgAddon.js dumped here
function drawPictures() {
drawPics()
drawPics()
}
//ShortScript format:
//xmin,xmax,ymin,ymax,xscl,yscl,labels,xgscl,ygscl,width,height plotcommands(see blow)
//plotcommands: type,eq1,eq2,startmaker,endmarker,xmin,xmax,color,strokewidth,strokedash
function parseShortScript(sscript,gw,gh) {
if (sscript == null) {
initialized = false;
sscript = picture.sscr;
}
var sa= sscript.split(",");
if (gw && gh) {
sa[9] = gw;
sa[10] = gh;
sscript = sa.join(",");
picture.setAttribute("sscr", sscript);
}
picture.setAttribute("width", sa[9]);
picture.setAttribute("height", sa[10]);
picture.style.width = sa[9] + "px";
picture.style.height = sa[10] + "px";
if (sa.length > 10) {
commands = 'setBorder(5);';
commands += 'width=' +sa[9] + '; height=' +sa[10] + ';';
commands += 'initPicture(' + sa[0] +','+ sa[1] +','+ sa[2] +','+ sa[3] + ');';
commands += 'axes(' + sa[4] +','+ sa[5] +','+ sa[6] +','+ sa[7] +','+ sa[8]+ ');';
var inx = 11;
var eqnlist = 'Graphs: ';
while (sa.length > inx+9) {
commands += 'stroke="' + sa[inx+7] + '";';
commands += 'strokewidth="' + sa[inx+8] + '";'
//commands += 'strokedasharray="' + sa[inx+9] + '";'
if (sa[inx+9] != "") {
commands += 'strokedasharray="' + sa[inx+9].replace(/\s+/g,',') + '";';
}
if (sa[inx]=="slope") {
eqnlist += "dy/dx="+sa[inx+1] + "; ";
commands += 'slopefield("' + sa[inx+1] + '",' + sa[inx+2] + ',' + sa[inx+2] + ');';
} else {
if (sa[inx]=="func") {
eqnlist += "y="+sa[inx+1] + "; ";
eqn = '"' + sa[inx+1] + '"';
} else if (sa[inx] == "polar") {
eqnlist += "r="+sa[inx+1] + "; ";
eqn = '["cos(t)*(' + sa[inx+1] + ')","sin(t)*(' + sa[inx+1] + ')"]';
} else if (sa[inx] == "param") {
eqnlist += "[x,y]=["+sa[inx+1] + "," + sa[inx+2] + "]; ";
eqn = '["' + sa[inx+1] + '","'+ sa[inx+2] + '"]';
}
if (typeof eval(sa[inx+5]) == "number") {
// if ((sa[inx+5]!='null')&&(sa[inx+5].length>0)) {
//commands += 'myplot(' + eqn +',"' + sa[inx+3] + '","' + sa[inx+4]+'",' + sa[inx+5] + ',' + sa[inx+6] +');';
commands += 'plot(' + eqn +',' + sa[inx+5] + ',' + sa[inx+6] +',null,null,' + sa[inx+3] + ',' + sa[inx+4] +');';
} else {
commands += 'plot(' + eqn +',null,null,null,null,' + sa[inx+3] + ',' + sa[inx+4]+');';
}
}
inx += 10;
}
try {
eval(commands);
} catch (e) {
setTimeout(function() {parseShortScript(sscript,gw,gh)},100);
//alert("Graph not ready");
}
picture.setAttribute("alt",eqnlist);
//picture.setAttribute("width", sa[9]);
//picture.setAttribute("height", sa[9]);
return commands;
}
if (sscript == null) {
initialized = false;
sscript = picture.sscr;
}
var sa= sscript.split(",");
if (gw && gh) {
sa[9] = gw;
sa[10] = gh;
sscript = sa.join(",");
picture.setAttribute("sscr", sscript);
}
picture.setAttribute("width", sa[9]);
picture.setAttribute("height", sa[10]);
picture.style.width = sa[9] + "px";
picture.style.height = sa[10] + "px";
if (sa.length > 10) {
commands = 'setBorder(5);';
commands += 'width=' +sa[9] + '; height=' +sa[10] + ';';
commands += 'initPicture(' + sa[0] +','+ sa[1] +','+ sa[2] +','+ sa[3] + ');';
commands += 'axes(' + sa[4] +','+ sa[5] +','+ sa[6] +','+ sa[7] +','+ sa[8]+ ');';
var inx = 11;
var eqnlist = 'Graphs: ';
while (sa.length > inx+9) {
commands += 'stroke="' + sa[inx+7] + '";';
commands += 'strokewidth="' + sa[inx+8] + '";'
//commands += 'strokedasharray="' + sa[inx+9] + '";'
if (sa[inx+9] != "") {
commands += 'strokedasharray="' + sa[inx+9].replace(/\s+/g,',') + '";';
}
if (sa[inx]=="slope") {
eqnlist += "dy/dx="+sa[inx+1] + "; ";
commands += 'slopefield("' + sa[inx+1] + '",' + sa[inx+2] + ',' + sa[inx+2] + ');';
} else {
if (sa[inx]=="func") {
eqnlist += "y="+sa[inx+1] + "; ";
eqn = '"' + sa[inx+1] + '"';
} else if (sa[inx] == "polar") {
eqnlist += "r="+sa[inx+1] + "; ";
eqn = '["cos(t)*(' + sa[inx+1] + ')","sin(t)*(' + sa[inx+1] + ')"]';
} else if (sa[inx] == "param") {
eqnlist += "[x,y]=["+sa[inx+1] + "," + sa[inx+2] + "]; ";
eqn = '["' + sa[inx+1] + '","'+ sa[inx+2] + '"]';
}
if (typeof eval(sa[inx+5]) == "number") {
// if ((sa[inx+5]!='null')&&(sa[inx+5].length>0)) {
//commands += 'myplot(' + eqn +',"' + sa[inx+3] + '","' + sa[inx+4]+'",' + sa[inx+5] + ',' + sa[inx+6] +');';
commands += 'plot(' + eqn +',' + sa[inx+5] + ',' + sa[inx+6] +',null,null,' + sa[inx+3] + ',' + sa[inx+4] +');';
} else {
commands += 'plot(' + eqn +',null,null,null,null,' + sa[inx+3] + ',' + sa[inx+4]+');';
}
}
inx += 10;
}
try {
eval(commands);
} catch (e) {
setTimeout(function() {parseShortScript(sscript,gw,gh)},100);
//alert("Graph not ready");
}
picture.setAttribute("alt",eqnlist);
//picture.setAttribute("width", sa[9]);
//picture.setAttribute("height", sa[9]);
return commands;
}
}
@ -1204,54 +1204,54 @@ function drawPics() {
pictures = document.getElementsByTagName("embed");
// might be needed if setTimeout on parseShortScript isn't working
if (!ASnoSVG) {
try {
for (var i = 0; i < pictures.length; i++) {
if (pictures[i].getAttribute("sscr")!='' || pictures[i].getAttribute("script")!='') {
if (pictures[i].getSVGDocument().getElementById("root") == null) {
setTimeout(drawPics,100);
return;
}
}
}
} catch (e) {
setTimeout(drawPics,100);
return;
}
try {
for (var i = 0; i < pictures.length; i++) {
if (pictures[i].getAttribute("sscr")!='' || pictures[i].getAttribute("script")!='') {
if (pictures[i].getSVGDocument().getElementById("root") == null) {
setTimeout(drawPics,100);
return;
}
}
}
} catch (e) {
setTimeout(drawPics,100);
return;
}
}
var len = pictures.length;
for (index = 0; index < len; index++) {
picture = ((!ASnoSVG && isIE) ? pictures[index] : pictures[0]);
picture = ((!ASnoSVG && isIE) ? pictures[index] : pictures[0]);
// for (index = len-1; index >=0; index--) {
// picture = pictures[index];
if (!ASnoSVG) {
initialized = false;
var sscr = picture.getAttribute("sscr");
if ((sscr != null) && (sscr != "")) { //sscr from editor
try {
parseShortScript(sscr);
} catch (e) {}
} else {
src = picture.getAttribute("script"); //script from showplot
if ((src!=null) && (src != "")) {
try {
with (Math) eval(src);
} catch(err) {alert(err+"\n"+src)}
}
}
} else {
if (picture.getAttribute("sscr")!='') {
n = document.createElement('img');
n.setAttribute("style",picture.getAttribute("style"));
n.setAttribute("src",AScgiloc+'?sscr='+encodeURIComponent(picture.getAttribute("sscr")));
pn = picture.parentNode;
pn.replaceChild(n,picture);
}
}
// picture = pictures[index];
if (!ASnoSVG) {
initialized = false;
var sscr = picture.getAttribute("sscr");
if ((sscr != null) && (sscr != "")) { //sscr from editor
try {
parseShortScript(sscr);
} catch (e) {}
} else {
src = picture.getAttribute("script"); //script from showplot
if ((src!=null) && (src != "")) {
try {
with (Math) eval(src);
} catch(err) {alert(err+"\n"+src)}
}
}
} else {
if (picture.getAttribute("sscr")!='') {
n = document.createElement('img');
n.setAttribute("style",picture.getAttribute("style"));
n.setAttribute("src",AScgiloc+'?sscr='+encodeURIComponent(picture.getAttribute("sscr")));
pn = picture.parentNode;
pn.replaceChild(n,picture);
}
}
}
}
@ -1261,7 +1261,7 @@ function plot(fun,x_min,x_max,points,id,min_type,max_type) {
var pth = [];
var f = function(x) { return x }, g = fun;
var name = null;
if (typeof fun=="string")
if (typeof fun=="string")
eval("g = function(x){ with(Math) return "+mathjs(fun)+" }");
else if (typeof fun=="object") {
eval("f = function(t){ with(Math) return "+mathjs(fun[0])+" }");
@ -1283,18 +1283,18 @@ function plot(fun,x_min,x_max,points,id,min_type,max_type) {
}
path(pth,name);
if (min_type == 1) {
arrowhead(pth[1],pth[0]);
arrowhead(pth[1],pth[0]);
} else if (min_type == 2) {
dot(pth[0], "open");
dot(pth[0], "open");
} else if (min_type == 3) {
dot(pth[0], "closed");
dot(pth[0], "closed");
}
if (max_type == 1) {
arrowhead(pth[pth.length-2],pth[pth.length-1]);
arrowhead(pth[pth.length-2],pth[pth.length-1]);
} else if (max_type == 2) {
dot(pth[pth.length-1], "open");
dot(pth[pth.length-1], "open");
} else if (max_type == 3) {
dot(pth[pth.length-1], "closed");
dot(pth[pth.length-1], "closed");
}
return p;
@ -1346,7 +1346,7 @@ ASupdateCoords = [function() {updateCoords(0)},
function() {updateCoords(9)}];
// GO1.1 Generic onload by Brothercake
// GO1.1 Generic onload by Brothercake
// http://www.brothercake.com/
//onload function
function generic()

Write Preview
Loading…
Cancel
Save