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hide labels if they don't fit

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This commit is contained in:
ppisljar 2016-12-09 20:20:19 +01:00
parent 45ba2b95b7
commit a1553bc7cf
1 changed files with 4 additions and 23 deletions
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27
src/ui/public/vislib/visualizations/point_series/heatmap_chart.js
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@ -163,26 +163,6 @@ export default function HeatmapChartFactory(Private) {
return color(label(d));
}
function truncateLabel(text, size) {
const node = d3.select(text).node();
let str = $(node).text();
const width = node.getBBox().width;
const chars = str.length;
const pxPerChar = width / chars;
let endChar = 0;
const ellipsesPad = 4;
if (width > size) {
endChar = Math.floor((size / pxPerChar) - ellipsesPad);
while (str[endChar - 1] === ' ' || str[endChar - 1] === '-' || str[endChar - 1] === ',') {
endChar = endChar - 1;
}
str = str.substr(0, endChar) + '...';
}
return str;
};
const squareWidth = barWidth || xScale.rangeBand();
const squareHeight = yScale.rangeBand();
@ -206,15 +186,16 @@ export default function HeatmapChartFactory(Private) {
if (showLabels) {
const rotate = zAxisConfig.get('labels.rotate');
const rotateRad = rotate * Math.PI / 180;
const truncate = Math.min(
const maxLength = Math.min(
Math.abs(squareWidth / Math.cos(rotateRad)),
Math.abs(squareHeight / Math.sin(rotateRad))
) - 10;
squares.append('text')
.text(d => zAxisFormatter(d.y))
.text(function () {
return truncateLabel(this, truncate);
.style('display', function () {
const textLength = this.getBBox().width;
return textLength > maxLength ? 'none' : 'initial';
})
.style('dominant-baseline', 'central')
.style('text-anchor', 'middle')