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mirror of https://github.com/s00500/ESPUI.git synced 2025-06-11 23:00:41 +00:00

small fixes to graph UI element to make X-axis labels legible and meaningful

This commit is contained in:
leokeba
2022-11-21 16:05:29 +01:00
parent b1b9fd2c79
commit 35c2f5b6b1
6 changed files with 39 additions and 39 deletions

2
data/js/controls.js vendored
View File

@ -507,7 +507,7 @@ function start() {
}
break;
case ADD_GRAPH_POINT:
var ts = Math.round(new Date().getTime() / 1000);
var ts = new Date().getTime();
graphData[data.id].push({ x: ts, y: data.value });
saveGraphData();
renderGraphSvg(graphData[data.id], "graph" + data.id);

View File

@ -32,7 +32,7 @@ break;case UI_MIN:if(data.parentControl){if($('#sl'+data.parentControl).length){
break;case UI_MAX:if(data.parentControl){if($('#sl'+data.parentControl).length){$('#sl'+data.parentControl).attr("max",data.value);}else if($('#text'+data.parentControl).length){$('#text'+data.parentControl).attr("maxlength",data.value);}else if($('#num'+data.parentControl).length){$('#num'+data.parentControl).attr("max",data.value);}}
break;case UI_STEP:if(data.parentControl){if($('#sl'+data.parentControl).length){$('#sl'+data.parentControl).attr("step",data.value);}else if($('#num'+data.parentControl).length){$('#num'+data.parentControl).attr("step",data.value);}}
break;case UI_GRAPH:if(data.visible){addToHTML(data);graphData[data.id]=restoreGraphData(data.id);renderGraphSvg(graphData[data.id],"graph"+data.id);}
break;case ADD_GRAPH_POINT:var ts=Math.round(new Date().getTime()/1000);graphData[data.id].push({x:ts,y:data.value});saveGraphData();renderGraphSvg(graphData[data.id],"graph"+data.id);break;case CLEAR_GRAPH:graphData[data.id]=[];saveGraphData();renderGraphSvg(graphData[data.id],"graph"+data.id);break;case UI_ACCEL:if(hasAccel)break;hasAccel=true;if(data.visible){addToHTML(data);requestOrientationPermission();}
break;case ADD_GRAPH_POINT:var ts=new Date().getTime();graphData[data.id].push({x:ts,y:data.value});saveGraphData();renderGraphSvg(graphData[data.id],"graph"+data.id);break;case CLEAR_GRAPH:graphData[data.id]=[];saveGraphData();renderGraphSvg(graphData[data.id],"graph"+data.id);break;case UI_ACCEL:if(hasAccel)break;hasAccel=true;if(data.visible){addToHTML(data);requestOrientationPermission();}
break;case UPDATE_LABEL:$("#l"+data.id).html(data.value);if(data.hasOwnProperty('elementStyle')){$("#l"+data.id).attr("style",data.elementStyle);}
break;case UPDATE_SWITCHER:switcher(data.id,data.value=="0"?0:1);if(data.hasOwnProperty('elementStyle')){$("#sl"+data.id).attr("style",data.elementStyle);}
break;case UPDATE_SLIDER:$("#sl"+data.id).attr("value",data.value)

View File

@ -55,13 +55,13 @@ function lineGraph(parent, xAccessor, yAccessor) {
// generate labels
for (var i = xMin; i <= xMax; i++) {
if ((i - xMin) % pixelsPerTick === 0 && i !== xMin) {
if ((i - xMin) % (pixelsPerTick*3) === 0 && i !== xMin) {
var text = document.createElementNS(
"http://www.w3.org/2000/svg",
"text"
);
// primitive formatting
text.innerHTML = Math.floor(transform(i));
text.innerHTML = new Date(Math.floor(transform(i))).toLocaleTimeString();
text.setAttribute("x", i);
text.setAttribute("y", yMin);
// offset the text by 1 em

28
data/js/graph.min.js vendored
View File

@ -1,15 +1,15 @@
function lineGraph(parent,xAccessor,yAccessor){const width=620;const height=420;const gutter=40;const pixelsPerTick=30;function numericTransformer(dataMin,dataMax,pxMin,pxMax){var dataDiff=dataMax-dataMin,pxDiff=pxMax-pxMin,dataRatio=pxDiff/dataDiff,coordRatio=dataDiff/pxDiff;return{toCoord:function(data){return(data-dataMin)*dataRatio+pxMin;},toData:function(coord){return(coord-pxMin)*coordRatio+dataMin;}};}
function axisRenderer(orientation,transform){var axisGroup=document.createElementNS("http://www.w3.org/2000/svg","g");var axisPath=document.createElementNS("http://www.w3.org/2000/svg","path");axisGroup.setAttribute("class",orientation+"-axis");var xMin=gutter;var xMax=width-gutter;var yMin=height-gutter;var yMax=gutter;if(orientation==="x"){axisPath.setAttribute("d","M "+xMin+" "+yMin+" L "+xMax+" "+yMin);for(var i=xMin;i<=xMax;i++){if((i-xMin)%pixelsPerTick===0&&i!==xMin){var text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=Math.floor(transform(i));text.setAttribute("x",i);text.setAttribute("y",yMin);text.setAttribute("dy","1em");axisGroup.appendChild(text);}}}else{axisPath.setAttribute("d","M "+xMin+" "+yMin+" L "+xMin+" "+yMax);for(var i=yMax;i<=yMin;i++){if((i-yMin)%pixelsPerTick===0&&i!==yMin){var tickGroup=document.createElementNS("http://www.w3.org/2000/svg","g");var gridLine=document.createElementNS("http://www.w3.org/2000/svg","path");text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=Math.floor(transform(i));text.setAttribute("x",xMin);text.setAttribute("y",i);text.setAttribute("dx","-.5em");text.setAttribute("dy",".3em");gridLine.setAttribute("d","M "+xMin+" "+i+" L "+xMax+" "+i);tickGroup.appendChild(gridLine);tickGroup.appendChild(text);axisGroup.appendChild(tickGroup);}}}
axisGroup.appendChild(axisPath);parent.appendChild(axisGroup);}
function lineRenderer(xAccessor,yAccessor,xTransform,yTransform){var line=document.createElementNS("http://www.w3.org/2000/svg","path");xAccessor.reset();yAccessor.reset();if(!xAccessor.hasNext()||!yAccessor.hasNext()){return;}
var pathString="M "+xTransform(xAccessor.next())+" "+yTransform(yAccessor.next());while(xAccessor.hasNext()&&yAccessor.hasNext()){pathString+=" L "+
xTransform(xAccessor.next())+
" "+
yTransform(yAccessor.next());}
line.setAttribute("class","series");line.setAttribute("d",pathString);parent.appendChild(line);}
function pointRenderer(xAccessor,yAccessor,xTransform,yTransform){var pointGroup=document.createElementNS("http://www.w3.org/2000/svg","g");pointGroup.setAttribute("class","data-points");xAccessor.reset();yAccessor.reset();if(!xAccessor.hasNext()||!yAccessor.hasNext()){return;}
while(xAccessor.hasNext()&&yAccessor.hasNext()){var xDataValue=xAccessor.next();var x=xTransform(xDataValue);var yDataValue=yAccessor.next();var y=yTransform(yDataValue);var circle=document.createElementNS("http://www.w3.org/2000/svg","circle");circle.setAttribute("cx",x);circle.setAttribute("cy",y);circle.setAttribute("r","4");var text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=Math.floor(xDataValue)+" / "+Math.floor(yDataValue);text.setAttribute("x",x);text.setAttribute("y",y);text.setAttribute("dx","1em");text.setAttribute("dy","-.7em");pointGroup.appendChild(circle);pointGroup.appendChild(text);}
parent.appendChild(pointGroup);}
xTransform=numericTransformer(xAccessor.min(),xAccessor.max(),0+gutter,width-gutter);yTransform=numericTransformer(yAccessor.min(),yAccessor.max(),height-gutter,0+gutter);axisRenderer("x",xTransform.toData);axisRenderer("y",yTransform.toData);lineRenderer(xAccessor,yAccessor,xTransform.toCoord,yTransform.toCoord);pointRenderer(xAccessor,yAccessor,xTransform.toCoord,yTransform.toCoord);}
function renderGraphSvg(dataArray,renderId){var figure=document.getElementById(renderId);while(figure.hasChildNodes()){figure.removeChild(figure.lastChild);}
function lineGraph(parent,xAccessor,yAccessor){const width=620;const height=420;const gutter=40;const pixelsPerTick=30;function numericTransformer(dataMin,dataMax,pxMin,pxMax){var dataDiff=dataMax-dataMin,pxDiff=pxMax-pxMin,dataRatio=pxDiff/dataDiff,coordRatio=dataDiff/pxDiff;return{toCoord:function(data){return(data-dataMin)*dataRatio+pxMin;},toData:function(coord){return(coord-pxMin)*coordRatio+dataMin;}};}
function axisRenderer(orientation,transform){var axisGroup=document.createElementNS("http://www.w3.org/2000/svg","g");var axisPath=document.createElementNS("http://www.w3.org/2000/svg","path");axisGroup.setAttribute("class",orientation+"-axis");var xMin=gutter;var xMax=width-gutter;var yMin=height-gutter;var yMax=gutter;if(orientation==="x"){axisPath.setAttribute("d","M "+xMin+" "+yMin+" L "+xMax+" "+yMin);for(var i=xMin;i<=xMax;i++){if((i-xMin)%(pixelsPerTick*3)===0&&i!==xMin){var text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=new Date(Math.floor(transform(i))).toLocaleTimeString();text.setAttribute("x",i);text.setAttribute("y",yMin);text.setAttribute("dy","1em");axisGroup.appendChild(text);}}}else{axisPath.setAttribute("d","M "+xMin+" "+yMin+" L "+xMin+" "+yMax);for(var i=yMax;i<=yMin;i++){if((i-yMin)%pixelsPerTick===0&&i!==yMin){var tickGroup=document.createElementNS("http://www.w3.org/2000/svg","g");var gridLine=document.createElementNS("http://www.w3.org/2000/svg","path");text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=Math.floor(transform(i));text.setAttribute("x",xMin);text.setAttribute("y",i);text.setAttribute("dx","-.5em");text.setAttribute("dy",".3em");gridLine.setAttribute("d","M "+xMin+" "+i+" L "+xMax+" "+i);tickGroup.appendChild(gridLine);tickGroup.appendChild(text);axisGroup.appendChild(tickGroup);}}}
axisGroup.appendChild(axisPath);parent.appendChild(axisGroup);}
function lineRenderer(xAccessor,yAccessor,xTransform,yTransform){var line=document.createElementNS("http://www.w3.org/2000/svg","path");xAccessor.reset();yAccessor.reset();if(!xAccessor.hasNext()||!yAccessor.hasNext()){return;}
var pathString="M "+xTransform(xAccessor.next())+" "+yTransform(yAccessor.next());while(xAccessor.hasNext()&&yAccessor.hasNext()){pathString+=" L "+
xTransform(xAccessor.next())+
" "+
yTransform(yAccessor.next());}
line.setAttribute("class","series");line.setAttribute("d",pathString);parent.appendChild(line);}
function pointRenderer(xAccessor,yAccessor,xTransform,yTransform){var pointGroup=document.createElementNS("http://www.w3.org/2000/svg","g");pointGroup.setAttribute("class","data-points");xAccessor.reset();yAccessor.reset();if(!xAccessor.hasNext()||!yAccessor.hasNext()){return;}
while(xAccessor.hasNext()&&yAccessor.hasNext()){var xDataValue=xAccessor.next();var x=xTransform(xDataValue);var yDataValue=yAccessor.next();var y=yTransform(yDataValue);var circle=document.createElementNS("http://www.w3.org/2000/svg","circle");circle.setAttribute("cx",x);circle.setAttribute("cy",y);circle.setAttribute("r","4");var text=document.createElementNS("http://www.w3.org/2000/svg","text");text.innerHTML=Math.floor(xDataValue)+" / "+Math.floor(yDataValue);text.setAttribute("x",x);text.setAttribute("y",y);text.setAttribute("dx","1em");text.setAttribute("dy","-.7em");pointGroup.appendChild(circle);pointGroup.appendChild(text);}
parent.appendChild(pointGroup);}
xTransform=numericTransformer(xAccessor.min(),xAccessor.max(),0+gutter,width-gutter);yTransform=numericTransformer(yAccessor.min(),yAccessor.max(),height-gutter,0+gutter);axisRenderer("x",xTransform.toData);axisRenderer("y",yTransform.toData);lineRenderer(xAccessor,yAccessor,xTransform.toCoord,yTransform.toCoord);pointRenderer(xAccessor,yAccessor,xTransform.toCoord,yTransform.toCoord);}
function renderGraphSvg(dataArray,renderId){var figure=document.getElementById(renderId);while(figure.hasChildNodes()){figure.removeChild(figure.lastChild);}
var svg=document.createElementNS("http://www.w3.org/2000/svg","svg");svg.setAttribute("viewBox","0 0 640 440");svg.setAttribute("preserveAspectRatio","xMidYMid meet");lineGraph(svg,(function(data,min,max){var i=0;return{hasNext:function(){return i<data.length;},next:function(){return data[i++].x;},reset:function(){i=0;},min:function(){return min;},max:function(){return max;}};})(dataArray,Math.min.apply(Math,dataArray.map(function(o){return o.x;})),Math.max.apply(Math,dataArray.map(function(o){return o.x;}))),(function(data,min,max){var i=0;return{hasNext:function(){return i<data.length;},next:function(){return data[i++].y;},reset:function(){i=0;},min:function(){return min;},max:function(){return max;}};})(dataArray,Math.min.apply(Math,dataArray.map(function(o){return o.y;})),Math.max.apply(Math,dataArray.map(function(o){return o.y;}))));figure.appendChild(svg);}