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UI: Fix the missing pixels issue with distribution-bar #4507

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merged 3 commits into from
Jul 13, 2018
Merged

UI: Fix the missing pixels issue with distribution-bar #4507

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e435d54
Fix a bug where the wrong index could be used when some bars had no v…
DingoEatingFuzz Jul 12, 2018
7e51502
Create a single-bar example of distribution-bar in the styleguide
DingoEatingFuzz Jul 12, 2018
d5af5e6
Compute the correct number of pixels to shave off of bar width
DingoEatingFuzz Jul 12, 2018
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16 changes: 13 additions & 3 deletions ui/app/components/distribution-bar.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import Component from '@ember/component';
import { computed, observer } from '@ember/object';
import { computed, observer, set } from '@ember/object';
import { run } from '@ember/runloop';
import { assign } from '@ember/polyfills';
import { guidFor, copy } from '@ember/object/internals';
Expand Down Expand Up @@ -76,6 +76,9 @@ export default Component.extend(WindowResizable, {
const { chart, _data, isNarrow } = this.getProperties('chart', '_data', 'isNarrow');
const width = this.$('svg').width();
const filteredData = _data.filter(d => d.value > 0);
filteredData.forEach((d, index) => {
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I read a thing about preference of for ... of over forEach loops recently and have been trying to use them more. I certainly like they way they read, though that's not necessarily true of the transpiled code.

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I always forget that JS has better for loops now.

set(d, 'index', index);
});

let slices = chart.select('.bars').selectAll('g').data(filteredData, d => d.label);
let sliceCount = filteredData.length;
Expand Down Expand Up @@ -114,8 +117,15 @@ export default Component.extend(WindowResizable, {

this.set('slices', slices);

const setWidth = d => `${width * d.percent - (d.index === sliceCount - 1 || d.index === 0 ? 1 : 2)}px`
const setOffset = d => `${width * d.offset + (d.index === 0 ? 0 : 1)}px`
const setWidth = d => {
// Remove a pixel from either side of the slice
let modifier = 2;
if (d.index === 0) modifier--; // But not the left side
if (d.index === sliceCount - 1) modifier--; // But not the right side
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These three lines are clever (in a good way).


return `${width * d.percent - modifier}px`;
};
const setOffset = d => `${width * d.offset + (d.index === 0 ? 0 : 1)}px`;

let hoverTargets = slices.selectAll('.target').data(d => [d]);
hoverTargets.enter()
Expand Down
4 changes: 4 additions & 0 deletions ui/app/components/freestyle/sg-distribution-bar.js
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Expand Up @@ -17,6 +17,10 @@ export default Component.extend({
clearInterval(this.get('timer'));
},

distributionBarDatum: computed(() => {
return [{ label: 'one', value: 10 }];
}),

distributionBarData: computed(() => {
return [
{ label: 'one', value: 10 },
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7 changes: 7 additions & 0 deletions ui/app/templates/components/freestyle/sg-distribution-bar.hbs
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Expand Up @@ -67,4 +67,11 @@
</div>
{{/freestyle-annotation}}
{{/collection.variant}}
{{#collection.variant key="single bar"}}
{{#freestyle-usage 'distribution-bar-single'}}
<div class="block" style="height:50px; width:600px;">
{{distribution-bar data=distributionBarDatum}}
</div>
{{/freestyle-usage}}
{{/collection.variant}}
{{/freestyle-collection}}