Chart.js - 甜甜圈显示工具提示总是? [英] Chart.js - Doughnut show tooltips always?
问题描述
使用Chart.js库时,我可以在我的网页上添加多个甜甜圈。
When using the Chart.js library, I can add multiple doughnuts on my page without a problem.
http://www.chartjs.org/docs/#doughnut-pie-chart
但我找不到可以始终显示 工具提示的方法 - 不仅是将鼠标悬停在圆环上。有没有人知道这是否可能?
But I cannot find a way to always show the tooltips - not only when hovering the mouse over the doughnut. Does anybody know if this is possible?
推荐答案
我今天有同样的问题,通过添加选项onAnimationComplte工具管。
I had the same problem today and solved it quite easy by adding the options onAnimationComplte and tooltipevents.
onAnitmationComplete调用方法来显示工具提示,就像悬停事件一样。
通常你在tooltipevents中定义事件来显示工具提示,但我们需要删除它们并传递一个空数组。
onAnitmationComplete calls the method to show the tooltips like a hover event does. Normally you define the events in tooltipevents to display the tooltips but we need to remove them and pass an empty array.
注意:( http://www.chartjs.org/docs/#doughnut-pie-chart )。
Javascript:
Javascript:
var options =
{
tooltipTemplate: "<%= value %>",
onAnimationComplete: function()
{
this.showTooltip(this.segments, true);
//Show tooltips in bar chart (issue: multiple datasets doesnt work http://jsfiddle.net/5gyfykka/14/)
//this.showTooltip(this.datasets[0].bars, true);
//Show tooltips in line chart (issue: multiple datasets doesnt work http://jsfiddle.net/5gyfykka/14/)
//this.showTooltip(this.datasets[0].points, true);
},
tooltipEvents: [],
showTooltips: true
}
var context = $('#chart').get(0).getContext('2d');
var chart = new Chart(context).Pie(data, options);
HTML:
<div id="chartContainer">
<canvas id="chart" width="200" height="200"></canvas>
</div>
示例数据:
var data = [
{
value: 300,
color:"#F7464A",
highlight: "#FF5A5E"
},
{
value: 50,
color: "#46BFBD",
highlight: "#5AD3D1"
},
{
value: 100,
color: "#FDB45C",
highlight: "#FFC870"
}
]
JSFiddle PIE:
http://jsfiddle.net/5gyfykka/
JSFiddle PIE: http://jsfiddle.net/5gyfykka/
JSFiddle BAR / LINE:
http:// jsfiddle。 net / 5gyfykka / 14 /
JSFiddle BAR/LINE: http://jsfiddle.net/5gyfykka/14/
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