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Treemap text positions for out of range cases when transitioning with maxdepth #4227

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merged 5 commits into from
Sep 30, 2019
Merged

Treemap text positions for out of range cases when transitioning with maxdepth #4227

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31ed977
handle text positions for out of range cases e.g. when transitioning …
archmoj Sep 26, 2019
a1a2a2b
rework text transform to move inside slice function
archmoj Sep 26, 2019
212b144
using one space character instead of a blank string to avoid jumps du…
archmoj Sep 27, 2019
6d6f946
revert handling of NaN cases to before this PR - add extra check to a…
archmoj Sep 28, 2019
940c83a
Merge remote-tracking branch 'origin/master' into treemap-text-transi…
archmoj Sep 30, 2019
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19 changes: 6 additions & 13 deletions src/traces/treemap/draw_ancestors.js
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Original file line number Diff line number Diff line change
Expand Up @@ -132,32 +132,25 @@ module.exports = function drawAncestors(gd, cd, entry, slices, opts) {
hovered: false
});

pt._text = (helpers.getPtLabel(pt) || '').split('<br>').join(' ') || '';

var sliceTextGroup = Lib.ensureSingle(sliceTop, 'g', 'slicetext');
var sliceText = Lib.ensureSingle(sliceTextGroup, 'text', '', function(s) {
// prohibit tex interpretation until we can handle
// tex and regular text together
s.attr('data-notex', 1);
});

var tx = (helpers.getPtLabel(pt) || ' ').split('<br>').join(' ');

sliceText.text(tx)
sliceText.text(pt._text || ' ') // use one space character instead of a blank string to avoid jumps during transition
.classed('slicetext', true)
.attr('text-anchor', 'start')
.call(Drawing.font, helpers.determineTextFont(trace, pt, fullLayout.font, trace.pathdir))
.call(svgTextUtils.convertToTspans, gd);

pt.textBB = Drawing.bBox(sliceText.node());
pt.transform = toMoveInsideSlice(
pt.x0,
pt.x1,
pt.y0,
pt.y1,
pt.textBB,
{
onPathbar: true
}
);
pt.transform = toMoveInsideSlice(pt, {
onPathbar: true
});

if(helpers.isOutsideText(trace, pt)) {
// consider in/out diff font sizes
Expand Down
34 changes: 14 additions & 20 deletions src/traces/treemap/draw_descendants.js
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Original file line number Diff line number Diff line change
Expand Up @@ -157,39 +157,33 @@ module.exports = function drawDescendants(gd, cd, entry, slices, opts) {
hovered: false
});

if(pt.x0 === pt.x1 || pt.y0 === pt.y1) {
pt._text = '';
} else {
if(isHeader) {
pt._text = noRoomForHeader ? '' : helpers.getPtLabel(pt) || '';
} else {
pt._text = formatSliceLabel(pt, entry, trace, cd, fullLayout) || '';
}
}

var sliceTextGroup = Lib.ensureSingle(sliceTop, 'g', 'slicetext');
var sliceText = Lib.ensureSingle(sliceTextGroup, 'text', '', function(s) {
// prohibit tex interpretation until we can handle
// tex and regular text together
s.attr('data-notex', 1);
});

var tx;
if(isHeader) {
if(noRoomForHeader) return;

tx = helpers.getPtLabel(pt);
} else {
tx = formatSliceLabel(pt, entry, trace, cd, fullLayout) || ' ';
}

sliceText.text(tx)
sliceText.text(pt._text || ' ') // use one space character instead of a blank string to avoid jumps during transition
.classed('slicetext', true)
.attr('text-anchor', hasRight ? 'end' : (hasLeft || isHeader) ? 'start' : 'middle')
.call(Drawing.font, helpers.determineTextFont(trace, pt, fullLayout.font))
.call(svgTextUtils.convertToTspans, gd);

pt.textBB = Drawing.bBox(sliceText.node());
pt.transform = toMoveInsideSlice(
pt.x0,
pt.x1,
pt.y0,
pt.y1,
pt.textBB,
{
isHeader: isHeader
}
);
pt.transform = toMoveInsideSlice(pt, {
isHeader: isHeader
});

if(helpers.isOutsideText(trace, pt)) {
// consider in/out diff font sizes
Expand Down
43 changes: 32 additions & 11 deletions src/traces/treemap/plot.js
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Original file line number Diff line number Diff line change
Expand Up @@ -273,7 +273,23 @@ function plotOne(gd, cd, element, transitionOpts) {
);
};

var toMoveInsideSlice = function(x0, x1, y0, y1, textBB, opts) {
var toMoveInsideSlice = function(pt, opts) {
var x0 = pt.x0;
var x1 = pt.x1;
var y0 = pt.y0;
var y1 = pt.y1;
var textBB = pt.textBB;

if(x0 === x1) {
x0 -= TEXTPAD;
x1 += TEXTPAD;
}

if(y0 === y1) {
y0 -= TEXTPAD;
y1 += TEXTPAD;
}

var hasFlag = function(f) { return trace.textposition.indexOf(f) !== -1; };

var hasBottom = hasFlag('bottom');
Expand All @@ -299,6 +315,11 @@ function plotOne(gd, cd, element, transitionOpts) {
if(opts.isHeader) {
x0 += pad.l - TEXTPAD;
x1 -= pad.r - TEXTPAD;
if(x0 >= x1) {
var mid = (x0 + x1) / 2;
x0 = mid - TEXTPAD;
x1 = mid + TEXTPAD;
}

// limit the drawing area for headers
var limY;
Expand Down Expand Up @@ -428,16 +449,16 @@ function plotOne(gd, cd, element, transitionOpts) {
var origin = getOrigin(pt, onPathbar, refRect, size);

Lib.extendFlat(prev, {
transform: toMoveInsideSlice(
origin.x0,
origin.x1,
origin.y0,
origin.y1,
pt.textBB,
{
isHeader: helpers.isHeader(pt, trace)
}
)
transform: toMoveInsideSlice({
x0: origin.x0,
x1: origin.x1,
y0: origin.y0,
y1: origin.y1,
textBB: pt.textBB,
_text: pt._text
}, {
isHeader: helpers.isHeader(pt, trace)
})
});

if(prev0) {
Expand Down
6 changes: 3 additions & 3 deletions test/jasmine/tests/treemap_test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1066,7 +1066,7 @@ describe('Test treemap restyle:', function() {
.then(_restyle({textinfo: 'value'}))
.then(_assert('show input values', ['Root', 'B', '1', '3']))
.then(_restyle({textinfo: 'none'}))
.then(_assert('no textinfo', ['Root', 'B', ' ', ' '])) // N.B. replaced empty string with space character for better transitions
.then(_assert('no textinfo', ['Root', 'B', ' ', ' '])) // use one space character instead of a blank string to avoid jumps during transition
.then(_restyle({textinfo: 'label+text+value'}))
.then(_assert('show everything', ['Root', 'B', 'A\n1\nnode1', 'b\n3\nnode3']))
.then(_restyle({textinfo: null}))
Expand Down Expand Up @@ -1127,7 +1127,7 @@ describe('Test treemap tweening:', function() {
if(attrName === 'transform') {
var fake = {attr: function() { return actual; }};
var xy = Drawing.getTranslate(fake);
expect([xy.x, xy.y]).toBeWithinArray(exp, 1, msg2);
expect([xy.x, xy.y]).toBeWithinArray(exp, 2, msg2);
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Increase range so that the test pass on my machine.

} else {
// we could maybe to bring in:
// https://github.com/hughsk/svg-path-parser
Expand Down Expand Up @@ -1225,7 +1225,7 @@ describe('Test treemap tweening:', function() {
'M284.375,188.5L548.375,188.5L548.375,308.5L284.375,308.5Z'
);
_assert('move B text to new position', 'transform', 'B', [220.25126, 0]);
_assert('enter b text to new position', 'transform', 'b', [287.375195, 5]);
_assert('enter b text to new position', 'transform', 'b', [286.16071428571433, 35714285714286]);
})
.catch(failTest)
.then(done);
Expand Down