mirror of
https://github.com/fhem/fhem-mirror.git
synced 2025-01-31 18:59:33 +00:00
290 lines
8.2 KiB
JavaScript
290 lines
8.2 KiB
JavaScript
"use strict";
|
|
var svgNS = "http://www.w3.org/2000/svg";
|
|
var svg_b64 ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
var svg_initialized={};
|
|
|
|
|
|
// Base64 encode the xy points (12 bit x, 12 bit y).
|
|
function
|
|
svg_compressPoints(pointList)
|
|
{
|
|
var i, x, y, lx = -1, ly, ret = "";
|
|
var pl_arr = pointList.replace(/^ */,'').split(/[, ]/);
|
|
for(i = 0; i < pl_arr.length; i +=2) {
|
|
x = parseInt(pl_arr[i]);
|
|
y = parseInt(pl_arr[i+1]);
|
|
if(pl_arr.length > 500 && lx != -1 && x-lx < 2) // Filter the data.
|
|
continue;
|
|
ret = ret+
|
|
svg_b64.charAt((x&0xfc0)>>6)+
|
|
svg_b64.charAt((x&0x3f))+
|
|
svg_b64.charAt((y&0xfc0)>>6)+
|
|
svg_b64.charAt((y&0x3f));
|
|
lx = x; ly = y;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
function
|
|
svg_uncompressPoints(cmpData)
|
|
{
|
|
var i = 0, ret = "";
|
|
while(i < cmpData.length) {
|
|
var x = (svg_b64.indexOf(cmpData.charAt(i++))<<6)+
|
|
svg_b64.indexOf(cmpData.charAt(i++));
|
|
var y = (svg_b64.indexOf(cmpData.charAt(i++))<<6)+
|
|
svg_b64.indexOf(cmpData.charAt(i++));
|
|
ret += " "+x+","+y;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
function
|
|
svg_getcookie()
|
|
{
|
|
var c = document.cookie;
|
|
if(c == null)
|
|
return [];
|
|
var results = c.match('fhemweb=(.*?)(;|$)' );
|
|
return (results ? unescape(results[1]).split(":") : []);
|
|
}
|
|
|
|
function
|
|
svg_prepareHash(el)
|
|
{
|
|
var obj = { y_mul:0,y_h:0,y_min:0, decimals:0, x_mul:0,x_off:0,x_min:0 };
|
|
for(var name in obj)
|
|
obj[name] = parseFloat($(el).attr(name));
|
|
return obj;
|
|
}
|
|
|
|
function
|
|
svg_click(evt)
|
|
{
|
|
var t = evt.target;
|
|
var o = svg_prepareHash(t);
|
|
|
|
var y_org = (((o.y_h-evt.clientY)/o.y_mul)+o.y_min).toFixed(o.decimals);
|
|
var d = new Date((((evt.clientX-o.x_min)/o.x_mul)+o.x_off) * 1000);
|
|
var ts = (d.getHours() < 10 ? '0' : '') + d.getHours() + ":"+
|
|
(d.getMinutes() < 10 ? '0' : '') + d.getMinutes();
|
|
|
|
|
|
var tl = t.ownerDocument.getElementById('svg_title');
|
|
tl.firstChild.nodeValue = t.getAttribute("title")+": "+y_org+" ("+ts+")";
|
|
}
|
|
|
|
function
|
|
sv_menu(evt, embed)
|
|
{
|
|
var label = evt.target;
|
|
var svg = $(label).closest("svg");
|
|
var svgNode = $(svg).get(0);
|
|
var lid = $(label).attr("line_id");
|
|
var data = svg_getcookie();
|
|
var sel = $(svg).find("#"+lid);
|
|
var selNode = $(sel).get(0);
|
|
var tl = $(svg).find("#svg_title");
|
|
var par = svgNode.par;
|
|
|
|
FW_menu(evt, label,
|
|
["Copy", "Paste",
|
|
svgNode.isSingle ? "Show all lines":"Hide other lines",
|
|
selNode.showVal ? "Stop displaying values" : "Display plot values" ],
|
|
[undefined, data.length==0, undefined, selNode.nodeName!="polyline"],
|
|
function(arg) {
|
|
|
|
//////////////////////////////////// copy
|
|
if(arg == 0) {
|
|
document.cookie="fhemweb="+
|
|
$(sel).attr("y_min")+":"+$(sel).attr("y_mul")+":"+
|
|
svg_compressPoints($(sel).attr("points"));
|
|
}
|
|
|
|
//////////////////////////////////// paste
|
|
if(arg == 1) {
|
|
var doc = $(svg).get(0).ownerDocument;
|
|
var o=doc.createElementNS(svgNS, "polyline");
|
|
o.setAttribute("class", "pasted");
|
|
o.setAttribute("points", svg_uncompressPoints(data[2]));
|
|
|
|
var h = parseFloat($(sel).attr("y_h"));
|
|
var ny_mul = parseFloat(data[1]);
|
|
var ny_min = parseInt(data[0]);
|
|
var y_mul = parseFloat($(sel).attr("y_mul"));
|
|
var y_min = parseInt($(sel).attr("y_min"));
|
|
var tr =
|
|
"translate(0,"+ (h/y_mul+y_min-h/ny_mul-ny_min)*y_mul +") "+
|
|
"scale(1, "+ (y_mul/ny_mul) +") ";
|
|
o.setAttribute("transform", tr);
|
|
doc.documentElement.appendChild(o);
|
|
}
|
|
|
|
//////////////////////////////////// hide/show lines
|
|
if(arg == 2) {
|
|
if(svgNode.isSingle) {
|
|
delete(svgNode.isSingle);
|
|
$(sel).attr("stroke-width", 1);
|
|
$(tl).text($(tl).attr("hiddentitle"));
|
|
showOtherLines(0, 1);
|
|
|
|
} else {
|
|
svgNode.isSingle = 1;
|
|
$(sel).attr("stroke-width", 3);
|
|
$(tl).attr("hiddentitle", $(tl).text());
|
|
if($(sel).attr("points") != null)
|
|
$(tl).text($(label).attr("title"));
|
|
showOtherLines(1, 0);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////// value display
|
|
if(arg == 3) {
|
|
|
|
var hadShowVal = selNode.showVal;
|
|
$(svg).find("[id]").each(function(){delete($(this).get(0).showVal)});
|
|
$(svg).off("mousemove");
|
|
|
|
if(par && par.circle) {
|
|
$(par.circle).remove();
|
|
$(par.div).remove();
|
|
}
|
|
|
|
if(!hadShowVal) {
|
|
selNode.showVal = true;
|
|
$(svg).mousemove(mousemove);
|
|
svgNode.par = par = svg_prepareHash(selNode);
|
|
|
|
par.circle =
|
|
$(svg).get(0).ownerDocument.createElementNS(svgNS, "circle");
|
|
$(par.circle).attr("id", "svgmarker").attr("r", "8");
|
|
$(svg).append(par.circle);
|
|
|
|
par.div = $('<div id="svgmarker">');
|
|
par.divoffY = $(embed ? embed : svg).offset().top -
|
|
$("#content").offset().top-50;
|
|
$("#content").append(par.div);
|
|
|
|
var pl = selNode.points;
|
|
if(pl.length > 2)
|
|
mousemove({pageX:pl[pl.length-2].x});
|
|
}
|
|
}
|
|
|
|
}, embed);
|
|
|
|
function
|
|
mousemove(e)
|
|
{
|
|
var xRaw = e.pageX, pl = selNode.points, l = pl.length, i1;
|
|
if(!embed)
|
|
xRaw -= $(svg).offset().left;
|
|
for(i1=0; i1<l; i1++)
|
|
if(pl[i1].x > xRaw)
|
|
break;
|
|
if(i1==l || i1==0)
|
|
return;
|
|
|
|
var pp=pl[i1-1], pn=pl[i1];
|
|
var xR = (xRaw-pp.x)/(pn.x-pp.x); // Compute interim values
|
|
var yRaw = pp.y+xR*(pn.y-pp.y);
|
|
|
|
var y = (((par.y_h-yRaw)/par.y_mul)+par.y_min).toFixed(par.decimals);
|
|
|
|
var d = new Date((((xRaw-par.x_min)/par.x_mul)+par.x_off) * 1000);
|
|
var ts = (d.getHours() < 10 ? '0' : '') + d.getHours() + ":"+
|
|
(d.getMinutes() < 10 ? '0' : '') + d.getMinutes();
|
|
|
|
$(par.circle).attr("cx", xRaw).attr("cy", yRaw);
|
|
var yd = Math.floor((yRaw+par.divoffY) / 20)*20;
|
|
$(par.div).html(ts+" "+y)
|
|
.css({ left:xRaw-20, top:yd });
|
|
}
|
|
|
|
function
|
|
showOtherLines(currval, maxval)
|
|
{
|
|
$(svg).find("[id]").each(function(){
|
|
var id = $(this).attr("id");
|
|
if(id.indexOf("line_") != 0 || id == lid)
|
|
return;
|
|
var h = parseFloat($(this).attr("y_h"));
|
|
$(this).attr("transform", "translate(0,"+h*(1-currval)+") "+
|
|
"scale(1,"+currval+")");
|
|
});
|
|
|
|
if(currval != maxval) {
|
|
currval += (currval<maxval ? 0.02 : -0.02);
|
|
currval = Math.round(currval*100)/100;
|
|
setTimeout(function(){ showOtherLines(currval,maxval) }, 10);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function
|
|
svg_init_one(embed, svg)
|
|
{
|
|
var sid = $(svg).attr("id");
|
|
if(svg_initialized[sid])
|
|
return;
|
|
svg_initialized[sid] = true;
|
|
$("text.legend", svg).click(function(e){sv_menu(e, embed)});
|
|
}
|
|
|
|
function
|
|
svg_init(par) // also called directly from perl, in race condition
|
|
{
|
|
$("embed").each(function(){
|
|
var e = this;
|
|
var src = $(e).attr("src");
|
|
var ed = e.getSVGDocument();
|
|
if(src.indexOf("SVG_showLog") < 0 || !ed)
|
|
return;
|
|
var sTag = $("svg", ed)[0];
|
|
if((par && $(sTag).attr("id") != par))
|
|
return;
|
|
svg_init_one(e, sTag);
|
|
});
|
|
}
|
|
|
|
$(document).ready(function(){
|
|
svg_init(); // <embed><svg>
|
|
$("svg[id]").each(function(){ // <svg> (direct)
|
|
if($(this).attr("id").indexOf("SVGPLOT") == 0)
|
|
svg_init_one(undefined, this);
|
|
});
|
|
});
|
|
|
|
// longpollSVG code below
|
|
function
|
|
FW_svgUpdateDevs(devs)
|
|
{
|
|
// if matches, refresh the SVG by removing and readding the embed tag
|
|
var embArr = document.getElementsByTagName("embed");
|
|
for(var i = 0; i < embArr.length; i++) {
|
|
var svg = embArr[i].getSVGDocument();
|
|
if(!svg || !svg.firstChild || !svg.firstChild.nextSibling)
|
|
continue;
|
|
var flog = svg.firstChild.nextSibling.getAttribute("flog");
|
|
if(!flog)
|
|
continue;
|
|
log("longpollSVG filter:"+flog);
|
|
for(var j=0; j < devs.length; j++) {
|
|
var ev = devs[0]+":"+devs[1];
|
|
if(ev.match(flog)) {
|
|
var e = embArr[i];
|
|
var newE = document.createElement("embed");
|
|
for(var k=0; k<e.attributes.length; k++)
|
|
newE.setAttribute(e.attributes[k].name, e.attributes[k].value);
|
|
e.parentNode.insertBefore(newE, e);
|
|
e.parentNode.removeChild(e);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
FW_widgets.SVG = { updateDevs:FW_svgUpdateDevs };
|