how do you call getJSON inside the highchart section - javascript
Currently I am doing this:
$(function () {
// Create the chart
$.getJSON('db_cpu.php', function(data) {
var chart = new Highcharts.StockChart({
chart: {
renderTo: 'container'
},
rangeSelector: {
enabled: false
},
title: {
text: 'Database utilization'
},
series: data
}, function (chart) {
normalState = new Object();
normalState.stroke_width = null;
normalState.stroke = null;
normalState.fill = null;
normalState.padding = null;
//normalState.r = null;
normalState.style = hash('text-decoration', 'underline');
hoverState = new Object();
hoverState = normalState;
pressedState = new Object();
pressedState = normalState;
//pressedState.style = hash('text-decoration', 'none');
chart_1DButton = chart.renderer.button('1D', 52, 10, function () {
$.getJSON('db_memory.php', function (data) {
console.log(data);
chart.series[0].setData(data);
chart.redraw();
});
unselectButtons();
chart_1DButton.setState(2);
}, normalState, hoverState, pressedState);
chart_1DButton.add();
});
function unselectButtons() {
chart_1DButton.setState(0);
}
});
});
when I clicked on the button, my chart does not diplay any data. dp_cpu.php and db_memory.php outputs json formated data that has name and data in it already. For exmaple dp_cpu.php outputs this data:
[{"name":"ServerA","data":[[1375142940000,1.85],[1375143540000,2.07],[1375144140000,1.96],[1375144740000,1.9],[1375145340000,2.06],[1375145940000,2.03],[1375146540000,1.69],[1375147140000,2.6],[1375147740000,2.1],[1375148340000,1.68],[1375148940000,2.03],[1375149540000,1.83],[1375150140000,1.84],[1375150740000,2.01],[1375151340000,1.88],[1375151940000,1.6],[1375152540000,2.02],[1375153140000,1.27],[1375153740000,1.47],[1375154340000,2],[1375154940000,1.97],[1375155540000,2.51],[1375156140000,3.59],[1375156740000,4.06],[1375157340000,4.13],[1375157940000,4.15],[1375158540000,4.19],[1375159140000,4.13],[1375159740000,4.44],[1375160340000,4.14],[1375160940000,4.15],[1375161540000,5.01],[1375162140000,4.13],[1375162740000,5],[1375163340000,4.97],[1375163940000,5.04],[1375164540000,5.09],[1375165140000,5.14],[1375165740000,4.93],[1375166340000,4.43],[1375166940000,5],[1375167540000,4.93],[1375168140000,5.1],[1375168740000,5.05],[1375169340000,5],[1375169940000,5.12],[1375170540000,4.14],[1375171140000,4.13],[1375171740000,4.85],[1375172340000,4.19],[1375172940000,4.13],[1375173540000,4.17],[1375174140000,2.02],[1375174740000,1.62],[1375175340000,1.77],[1375175940000,2.01],[1375176540000,1.86],[1375177140000,1.85],[1375177740000,2.1],[1375178340000,2.03],[1375178940000,1.79],[1375179540000,2.09],[1375180140000,1.95],[1375180740000,1.73],[1375181340000,2.12],[1375181940000,2.07],[1375182540000,1.65],[1375183140000,2.1],[1375183740000,2.03],[1375184340000,1.63],[1375184940000,2.13],[1375185540000,1.93],[1375186140000,1.65],[1375186740000,2.19],[1375187340000,1.98],[1375187940000,1.69],[1375188540000,2.13],[1375189140000,1.93],[1375189740000,1.72],[1375190340000,2.15],[1375190940000,2.07],[1375191540000,1.7],[1375192140000,2.15],[1375192740000,2.03],[1375193340000,1.73],[1375193940000,2.71],[1375194540000,1.96],[1375195140000,1.72],[1375195740000,2.15],[1375196340000,2.15],[1375196940000,1.85],[1375197540000,2.2],[1375198140000,1.93],[1375198740000,1.8],[1375199340000,2.19],[1375199940000,1.98],[1375200540000,1.85],[1375201140000,2.27]]}]
I have some more info. when I do another getJSON as below example, It looks like I need to reset each series. This is really not convenient. I need to be able to read and external file and just show whatever in that file as chart and redraw the chart. Any ideas?
$.getJSON('db_memory.php', function (data) {
console.log(data);
chart.series[0].setData([[1375142940000,100],[1375143540000,2.07],[1375144140000,1.96],[1375144740000,1.9],[1376408000000,90.06]]);
chart.series[1].setData([[1375142940000,10],[1375143540000,20.07],[1375144140000,40.96],[1375144740000,50.9],[1376408000000,50.06]]);
chart.series[2].setData([[1375142940000,10],[1375143540000,20.07],[1375144140000,40.96],[1375144740000,50.9],[1376408000000,20.06]]);
chart.series[3].setData([[1375142940000,10],[1375143540000,20.07],[1375144140000,40.96],[1375144740000,50.9],[1375145340000,10.06]]);
});
I have tried something like this and it is partially working with one problem. After clicking the button, I get the chart but my button disappears:
$(function () {
// Create the chart
$.getJSON('db_pc.php', function(data) {
var chart = new Highcharts.StockChart({
chart: {
renderTo: 'container'
},
rangeSelector: {
enabled: false
},
title: {
text: 'Database utilization'
},
series: data
}, function (chart) {
normalState = new Object();
normalState.stroke_width = null;
normalState.stroke = null;
normalState.fill = null;
normalState.padding = null;
//normalState.r = null;
normalState.style = hash('text-decoration', 'underline');
hoverState = new Object();
hoverState = normalState;
pressedState = new Object();
pressedState = normalState;
//pressedState.style = hash('text-decoration', 'none');
chart_1DButton = chart.renderer.button('1D', 52, 10, function () {
$.getJSON('db_memory.php', function (data1) {
var chart = new Highcharts.StockChart({
chart: {
renderTo: 'container'
},
rangeSelector: {
enabled: false
},
title: {
text: 'Database utilization'
},
series: data1
});
});
unselectButtons();
chart_1DButton.setState(2);
}, normalState, hoverState, pressedState);
chart_1DButton.add();
});
function unselectButtons() {
chart_1DButton.setState(0);
}
});
});
You can use addSeries() then you will not need to reset data, but in case when you use setData, redrawing is called, so redraw() can be skipped.
You only add your button when the chart is created.
The problem is that when you use the following code
, new Highcharts.StockChart..., the chart will load again, so it's will render without your button.
So, you have two options, add a callback that will add the button again, or use serie.setData to change it's data dinamically.
I'd go with the second option.
Other problem is that the response is an array, you have to access it the following way data[0]
Finally will have the following code:
chart_1DButton = chart.renderer.button('1D', 52, 10, function () {
$.getJSON('db_memory.php', function (data) {
// update data
// chart.series[0].setData( data[0].data );
// update series' options
chart.series[0].update(data[0]);
});
unselectButtons();
chart_1DButton.setState(2);
}, normalState, hoverState, pressedState);
after looking at different options, I realized that what I need to do maybe better implemented using html/css type buttons:
https://gist.github.com/kix/3039177
And using jquery click event I can load any kind of chart to the div:
$(document).ready(function(){
$("#prof_d").click(function(){
web_cpu();
});
});
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