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Use element options for removeHoverStyle(), even when inheriting #5194

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Use element options for removeHoverStyle(), even when inheriting #5194

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c98185e
Refactor updateElement and removeHoverStyle
loicbourgois Jan 28, 2018
8de5a31
Update style only
loicbourgois Jan 28, 2018
87929a4
typo
loicbourgois Jan 28, 2018
0bf1910
Refactor
loicbourgois Jan 28, 2018
8f664f1
Revert "Refactor"
loicbourgois Jan 29, 2018
bb2c547
Revert "typo"
loicbourgois Jan 29, 2018
9388dd8
Revert "Update style only"
loicbourgois Jan 29, 2018
ac18953
Revert "Refactor updateElement and removeHoverStyle"
loicbourgois Jan 29, 2018
0f96799
Merge branch 'master' of https://github.com/chartjs/Chart.js into bor…
loicbourgois Jan 29, 2018
a9af225
Implement @simonbrunel solution
loicbourgois Jan 29, 2018
dc2a66e
Mix @simbrunel solution with previous implementation
loicbourgois Jan 29, 2018
af1abd2
Update failing test
loicbourgois Jan 31, 2018
2527620
Remove not.toBe()
loicbourgois Feb 1, 2018
b8c5aef
Merge branch 'master' of https://github.com/chartjs/Chart.js into bor…
loicbourgois Feb 11, 2018
4b30773
Refactor
loicbourgois Feb 11, 2018
c8064d6
Better hover style for line
loicbourgois Feb 11, 2018
fcef4b6
Update radar hover style logic
loicbourgois Feb 11, 2018
fad0561
cleanup
loicbourgois Feb 11, 2018
743a123
refactor
loicbourgois Feb 11, 2018
57f3df0
refactor
loicbourgois Feb 11, 2018
07bf637
refactor
loicbourgois Feb 11, 2018
7448c51
refactor
loicbourgois Feb 11, 2018
0d9a74b
Pass tests
loicbourgois Feb 11, 2018
d89c572
Refactor
loicbourgois Feb 11, 2018
2d9a387
refactor
loicbourgois Feb 11, 2018
ea376e6
setup test
loicbourgois Feb 11, 2018
693fb03
Comment seamingly unecessary code
loicbourgois Feb 11, 2018
92cb840
Setup test for doughnut.controller.removeHoverStyle()
loicbourgois Feb 11, 2018
9cd0686
Test commenting seamingly unnecessary code
loicbourgois Feb 11, 2018
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17 changes: 8 additions & 9 deletions src/controllers/controller.bar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -468,21 +468,20 @@ module.exports = function(Chart) {
var custom = rectangle.custom || {};
var model = rectangle._model;

rectangle.$previousStyle = {
backgroundColor: model.backgroundColor,
borderColor: model.borderColor,
borderWidth: model.borderWidth
};

model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));
model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);
},

removeHoverStyle: function(rectangle) {
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
var index = rectangle._index;
var custom = rectangle.custom || {};
var model = rectangle._model;
var rectangleElementOptions = this.chart.options.elements.rectangle;

model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);
model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);
model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);
helpers.merge(rectangle._model, rectangle.$previousStyle || {});
delete rectangle.$previousStyle;
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this line also seems like it would be unnecessary. It doesn't hurt to leave it I suppose, but I'm not sure it ever has any effect

}
});

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26 changes: 25 additions & 1 deletion test/specs/controller.bar.tests.js
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Expand Up @@ -1372,13 +1372,21 @@ describe('Chart.controllers.bar', function() {

var meta = chart.getDatasetMeta(1);
var bar = meta.data[0];
var helpers = window.Chart.helpers;

// Change default
chart.options.elements.rectangle.backgroundColor = 'rgb(128, 128, 128)';
chart.options.elements.rectangle.borderColor = 'rgb(15, 15, 15)';
chart.options.elements.rectangle.borderWidth = 3.14;

// Remove to defaults
chart.update();
expect(bar._model.backgroundColor).toBe('rgb(128, 128, 128)');
expect(bar._model.borderColor).toBe('rgb(15, 15, 15)');
expect(bar._model.borderWidth).toBe(3.14);
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe(helpers.getHoverColor('rgb(128, 128, 128)'));
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Not sure which one is better :

  • .not.toBe('rgb(128, 128, 128)')
  • .toBe(helpers.getHoverColor('rgb(128, 128, 128)')

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I would say toBe is better

expect(bar._model.borderColor).toBe(helpers.getHoverColor('rgb(15, 15, 15)'));
expect(bar._model.borderWidth).toBe(3.14);
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(128, 128, 128)');
expect(bar._model.borderColor).toBe('rgb(15, 15, 15)');
Expand All @@ -1389,6 +1397,14 @@ describe('Chart.controllers.bar', function() {
chart.data.datasets[1].borderColor = ['rgb(9, 9, 9)', 'rgb(0, 0, 0)'];
chart.data.datasets[1].borderWidth = [2.5, 5];

chart.update();
expect(bar._model.backgroundColor).toBe('rgb(255, 255, 255)');
expect(bar._model.borderColor).toBe('rgb(9, 9, 9)');
expect(bar._model.borderWidth).toBe(2.5);
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe(helpers.getHoverColor('rgb(255, 255, 255)'));
expect(bar._model.borderColor).toBe(helpers.getHoverColor('rgb(9, 9, 9)'));
expect(bar._model.borderWidth).toBe(2.5);
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 255, 255)');
expect(bar._model.borderColor).toBe('rgb(9, 9, 9)');
Expand All @@ -1401,6 +1417,14 @@ describe('Chart.controllers.bar', function() {
borderWidth: 1.5
};

chart.update();
expect(bar._model.backgroundColor).toBe('rgb(255, 0, 0)');
expect(bar._model.borderColor).toBe('rgb(0, 255, 0)');
expect(bar._model.borderWidth).toBe(1.5);
meta.controller.setHoverStyle(bar);
expect(bar._model.backgroundColor).toBe(helpers.getHoverColor('rgb(255, 0, 0)'));
expect(bar._model.borderColor).toBe(helpers.getHoverColor('rgb(0, 255, 0)'));
expect(bar._model.borderWidth).toBe(1.5);
meta.controller.removeHoverStyle(bar);
expect(bar._model.backgroundColor).toBe('rgb(255, 0, 0)');
expect(bar._model.borderColor).toBe('rgb(0, 255, 0)');
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