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Since this doesn't show up in test images, here's what the new scrollbars look like - a little wider and a lot taller: |
| return finalDataScroll; | ||
| } | ||
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| it('should scroll on dragging the scrollbar', function() { |
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Yes, these do test #2387, if I'm interpreting it correctly. What I think was happening in #2387 is that somehow the scrollBox drag was being triggered - and that's what I decided (with no dissent) had no reason ever to happen. So this test shows that regular drag works, then the next one shows that the scrollBox won't drag even if it does somehow get the event, and then the third new test shows that right-click (the only form of #2387 I could reproduce on my own computer) even on the scrollBar will not trigger drag.
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Probably related to #808. The new variable-height scroll bar doesn't update. For example, from
No need to fix this in this PR though, just confirming that scrollable legends don't update well as first reported in #808 |
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| var scrollBarBB = scrollBar.getBoundingClientRect(); | ||
| var y0 = scrollBarBB.top + scrollBarBB.height / 2; | ||
| var y0 = scrollBarBB.top + scrollBarBB.height / 5; |
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notice that I moved the drag point away from the center of the scrollBar, thereby testing that it drags from where you grab it rather than snapping to the center.
and when `this` isn't important - ie in all of our helper functions but we still need `call` for `d3.behavior.drag()`
too confusing with it always being negative
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Fixed #808 (and #2426 (comment)) in 569b378 |
src/components/legend/draw.js
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| var scrollRatio = scrollBarYMax / scrollBoxYMax; | ||
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| var scrollBarY = constants.scrollBarMargin; | ||
| var scrollBoxY = scrollBox.attr('data-scroll') || 0; |
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Yes. Way better to use _ then a DOM attr 🎉
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| // scrollBoxY is 0 or a negative number | ||
| var scrollBoxY = Math.max(opts._scrollY || 0, -scrollBoxYMax); | ||
| var scrollBoxY = Math.min(opts._scrollY || 0, scrollBoxYMax); |
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Amazing PR! 💃 |
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Fixes #2387 - don't allow dragging from the scroll box of a legend, only from the scroll bar itself, and even then not on right clicks, only left click. I also made the scroll bar handle a little bit wider so it's a bit easier to grab. And another part of the issue is that the scrollbar would jump to be centered on the mouse cursor, rather than simply moving with it from wherever you grabbed it. I fixed that too.
Fixes the legend part of #1859 - makes the scrollbar scale to show the fraction of the legend that's visible.
cc @etpinard