mirror of https://github.com/masayuki0812/c3.git
Quite good looking graph derived from d3.js
http://c3js.org
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35 lines
1.1 KiB
35 lines
1.1 KiB
c3_chart_fn.tooltip = function () {}; |
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c3_chart_fn.tooltip.show = function (args) { |
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var $$ = this.internal, index, mouse; |
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// determine mouse position on the chart |
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if (args.mouse) { |
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mouse = args.mouse; |
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} |
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// determine focus data |
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if (args.data) { |
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if ($$.isMultipleX()) { |
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// if multiple xs, target point will be determined by mouse |
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mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)]; |
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index = null; |
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} else { |
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// TODO: when tooltip_grouped = false |
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index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x); |
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} |
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} |
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else if (typeof args.x !== 'undefined') { |
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index = $$.getIndexByX(args.x); |
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} |
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else if (typeof args.index !== 'undefined') { |
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index = args.index; |
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} |
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// emulate mouse events to show |
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$$.dispatchEvent('mouseover', index, mouse); |
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$$.dispatchEvent('mousemove', index, mouse); |
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}; |
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c3_chart_fn.tooltip.hide = function () { |
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// TODO: get target data by checking the state of focus |
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this.internal.dispatchEvent('mouseout', 0); |
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};
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