diff --git a/dist/color_legend.js b/dist/color_legend.js
index c165976..a182b21 100644
--- a/dist/color_legend.js
+++ b/dist/color_legend.js
@@ -87,7 +87,7 @@ System.register(['angular', 'lodash', 'jquery', 'd3', './libs/d3-scale-chromatic
}).each(function (d, i) {
var thisWidth = this.getBBox().width;
textWidth.push(thisWidth);
- this.remove(); // remove them just after displaying them
+ this.parentElement.removeChild(this); // remove them just after displaying them in IE friendly way
});
var legendWidth = Math.floor(_.min([graphWidth - 30, (_.max(textWidth) + 3) * valuesNumber]));
diff --git a/dist/color_legend.js.map b/dist/color_legend.js.map
index a5b06ac..92907ec 100644
--- a/dist/color_legend.js.map
+++ b/dist/color_legend.js.map
@@ -1 +1 @@
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angular from 'angular';\nimport _ from 'lodash';\nimport $ from 'jquery';\nimport d3 from 'd3';\nimport * as d3ScaleChromatic from './libs/d3-scale-chromatic/index';\nimport {contextSrv} from 'app/core/core';\nimport {tickStep} from 'app/core/utils/ticks';\n\nlet mod = angular.module('grafana.directives');\n\nconst MIN_LEGEND_STEPS = 10;\n\n/**\n * Color legend for heatmap editor.\n */\nmod.directive('optionsColorLegend', function() {\n return {\n restrict: 'E',\n template: '',\n link: function(scope, elem, attrs) {\n let ctrl = scope.ctrl;\n let panel = scope.ctrl.panel;\n\n render();\n\n ctrl.events.on('render', function() {\n render();\n });\n\n function render() {\n let legendElem = $(elem).find('svg');\n let legendWidth = Math.floor(legendElem.outerWidth());\n\n if (panel.color.mode === 'spectrum') {\n let colorScheme = _.find(ctrl.colorSchemes, {value: panel.color.colorScheme});\n let colorScale = getColorScale(colorScheme, legendWidth);\n drawSimpleColorLegend(elem, colorScale);\n } else if (panel.color.mode === 'opacity') {\n let colorOptions = panel.color;\n drawSimpleOpacityLegend(elem, colorOptions);\n }\n }\n }\n };\n});\n\n/**\n * Heatmap legend with scale values.\n */\nmod.directive('statusHeatmapLegend', function() {\n return {\n restrict: 'E',\n template: '',\n link: function(scope, elem, attrs) {\n let ctrl = scope.ctrl;\n let panel = scope.ctrl.panel;\n\n render();\n ctrl.events.on('render', function() {\n render();\n });\n\n function render() {\n clearLegend(elem);\n if (!_.isEmpty(ctrl.cardsData) && !_.isEmpty(ctrl.cardsData.cards)) {\n let rangeFrom = ctrl.cardsData.minValue;\n let rangeTo = ctrl.cardsData.maxValue;\n let maxValue = panel.color.max || rangeTo;\n let minValue = panel.color.min || rangeFrom;\n\n if (panel.color.mode === 'spectrum') {\n let colorScheme = _.find(ctrl.colorSchemes, {value: panel.color.colorScheme});\n drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue);\n } else if (panel.color.mode === 'opacity') {\n let colorOptions = panel.color;\n drawOpacityLegend(elem, colorOptions, rangeFrom, rangeTo, maxValue, minValue);\n } else if (panel.color.mode === 'discrete') {\n let colorOptions = panel.color;\n drawDiscreteColorLegend(elem, colorOptions, ctrl.discreteHelper);\n }\n }\n }\n }\n };\n});\n\nfunction drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth()) - 30; // narrow legendWidth by 30px to get space for first and last tick values\n let legendHeight = legendElem.attr(\"height\");\n\n let rangeStep = 1;\n if (rangeTo - rangeFrom > legendWidth) {\n rangeStep = Math.floor((rangeTo - rangeFrom) / legendWidth);\n }\n\n if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {\n rangeStep = rangeTo / MIN_LEGEND_STEPS;\n }\n\n let widthFactor = legendWidth / (rangeTo - rangeFrom);\n let valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);\n\n let colorScale = getColorScale(colorScheme, maxValue, minValue);\n legend.selectAll(\".status-heatmap-color-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d * widthFactor + 10) // shift all color rectangles to the right\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep * widthFactor + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => colorScale(d));\n\n drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);\n}\n\nfunction drawOpacityLegend(elem, options, rangeFrom, rangeTo, maxValue, minValue) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth()) - 30; // narrow legendWidth by 30px to get space for first and last tick values\n let legendHeight = legendElem.attr(\"height\");\n\n let rangeStep = 10;\n let widthFactor = legendWidth / (rangeTo - rangeFrom);\n\n if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {\n rangeStep = rangeTo / MIN_LEGEND_STEPS;\n }\n\n let valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);\n\n let opacityScale = getOpacityScale(options, maxValue, minValue);\n legend.selectAll(\".status-heatmap-opacity-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d * widthFactor + 10) // shift all opacity rectangles to the right\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep * widthFactor)\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", options.cardColor)\n .style(\"opacity\", d => opacityScale(d));\n\n drawLegendValues(elem, opacityScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);\n}\n\nfunction drawDiscreteColorLegend(elem, colorOptions, discreteHelper) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let thresholds = colorOptions.thresholds;\n let tooltips = _.map(thresholds, tr => tr.tooltip);\n let valuesNumber = thresholds.length;\n\n // graph width as a fallback\n let $heatmap = $(elem).parent().parent().parent().find('.status-heatmap-panel');\n let graphWidth = $heatmap.find('svg').attr(\"width\");\n\n // calculate max width of tooltip and use it as width for each item\n let textWidth = [];\n legend.selectAll(\".hidden-texts\")\n .data(tooltips)\n .enter().append(\"text\")\n .attr(\"class\", \"axis tick\")\n .attr(\"font-family\", \"sans-serif\")\n .text(d => d)\n .each(function(d,i) {\n let thisWidth = this.getBBox().width;\n textWidth.push(thisWidth);\n this.remove(); // remove them just after displaying them\n });\n\n let legendWidth = Math.floor(_.min([\n graphWidth - 30,\n (_.max(textWidth) + 3) * valuesNumber,\n ]));\n legendElem.attr(\"width\", legendWidth);\n\n let legendHeight = legendElem.attr(\"height\");\n\n let itemWidth = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(valuesNumber); // from 0 to valuesNumber-1\n\n legend.selectAll(\".status-heatmap-color-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d*itemWidth)\n .attr(\"y\", 0)\n .attr(\"width\", itemWidth + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => discreteHelper.getDiscreteColor(d));\n\n drawDiscreteLegendValues(elem, colorOptions, legendWidth);\n}\n\n\nfunction drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n\n if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {\n return;\n }\n\n let legendValueScale = d3.scaleLinear()\n .domain([0, rangeTo])\n .range([0, legendWidth]);\n\n let ticks = buildLegendTicks(0, rangeTo, maxValue, minValue);\n let xAxis = d3.axisBottom(legendValueScale)\n .tickValues(ticks)\n .tickSize(2);\n\n let colorRect = legendElem.find(\":first-child\");\n let posY = getSvgElemHeight(legendElem) + 2;\n let posX = getSvgElemX(colorRect);\n\n d3.select(legendElem.get(0)).append(\"g\")\n .attr(\"class\", \"axis\")\n .attr(\"transform\", \"translate(\" + posX + \",\" + posY + \")\")\n .call(xAxis);\n\n legend.select(\".axis\").select(\".domain\").remove();\n}\n\nfunction drawDiscreteLegendValues(elem, colorOptions, legendWidth) {\n let thresholds = colorOptions.thresholds;\n\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n\n if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {\n return;\n }\n\n let valuesNumber = thresholds.length;\n let rangeStep = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n\n\n let legendValueScale = d3.scaleLinear()\n .domain([0, valuesNumber])\n .range([0, legendWidth]);\n\n let thresholdValues = [];\n let thresholdTooltips = [];\n for (let i = 0; i < thresholds.length; i++) {\n thresholdValues.push(thresholds[i].value);\n thresholdTooltips.push(thresholds[i].tooltip);\n }\n\n let xAxis = d3.axisBottom(legendValueScale)\n .tickValues(d3.range(0, valuesNumber, 1)) //thresholdValues)\n .tickSize(2)\n .tickFormat((t) => {\n let i = Math.floor(t);\n let v = thresholdTooltips[i];\n if (v != undefined) {\n return \"\"+v;\n } else {\n v = thresholdValues[i];\n if (v != undefined) {\n return \"\"+v;\n } else {\n return \"n/a\";\n }\n }\n });\n\n let colorRect = legendElem.find(\":first-child\");\n let posY = getSvgElemHeight(legendElem) + 2;\n let posX = getSvgElemX(colorRect) + Math.floor(rangeStep/2);\n\n d3.select(legendElem.get(0)).append(\"g\")\n .attr(\"class\", \"axis\")\n .attr(\"transform\", \"translate(\" + posX + \",\" + posY + \")\")\n .call(xAxis);\n\n legend.select(\".axis\").select(\".domain\").remove();\n}\n\nfunction drawSimpleColorLegend(elem, colorScale) {\n let legendElem = $(elem).find('svg');\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth());\n let legendHeight = legendElem.attr(\"height\");\n\n if (legendWidth) {\n let valuesNumber = Math.floor(legendWidth / 2);\n let rangeStep = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n\n let legend = d3.select(legendElem.get(0));\n var legendRects = legend.selectAll(\".status-heatmap-color-legend-rect\").data(valuesRange);\n\n legendRects.enter().append(\"rect\")\n .attr(\"x\", d => d)\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => colorScale(d));\n }\n}\n\nfunction drawSimpleOpacityLegend(elem, options) {\n let legendElem = $(elem).find('svg');\n let graphElem = $(elem);\n clearLegend(elem);\n\n let legend = d3.select(legendElem.get(0));\n let legendWidth = Math.floor(legendElem.outerWidth());\n let legendHeight = legendElem.attr(\"height\");\n\n if (legendWidth) {\n let legendOpacityScale;\n if (options.colorScale === 'linear') {\n legendOpacityScale = d3.scaleLinear()\n .domain([0, legendWidth])\n .range([0, 1]);\n } else if (options.colorScale === 'sqrt') {\n legendOpacityScale = d3.scalePow().exponent(options.exponent)\n .domain([0, legendWidth])\n .range([0, 1]);\n }\n\n let rangeStep = 10;\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n var legendRects = legend.selectAll(\".status-heatmap-opacity-legend-rect\").data(valuesRange);\n\n legendRects.enter().append(\"rect\")\n .attr(\"x\", d => d)\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep)\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", options.cardColor)\n .style(\"opacity\", d => legendOpacityScale(d));\n }\n}\n\n\nfunction clearLegend(elem) {\n let legendElem = $(elem).find('svg');\n legendElem.empty();\n}\n\nfunction getColorScale(colorScheme, maxValue, minValue = 0) {\n let colorInterpolator 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ticks;\n}\n\nfunction isValueCloseTo(val, valueTo, step) {\n let diff = Math.abs(val - valueTo);\n return diff < step * 0.3;\n}\n"]}
\ No newline at end of file
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angular from 'angular';\nimport _ from 'lodash';\nimport $ from 'jquery';\nimport d3 from 'd3';\nimport * as d3ScaleChromatic from './libs/d3-scale-chromatic/index';\nimport {contextSrv} from 'app/core/core';\nimport {tickStep} from 'app/core/utils/ticks';\n\nlet mod = angular.module('grafana.directives');\n\nconst MIN_LEGEND_STEPS = 10;\n\n/**\n * Color legend for heatmap editor.\n */\nmod.directive('optionsColorLegend', function() {\n return {\n restrict: 'E',\n template: '',\n link: function(scope, elem, attrs) {\n let ctrl = scope.ctrl;\n let panel = scope.ctrl.panel;\n\n render();\n\n ctrl.events.on('render', function() {\n render();\n });\n\n function render() {\n let legendElem = $(elem).find('svg');\n let legendWidth = Math.floor(legendElem.outerWidth());\n\n if (panel.color.mode === 'spectrum') {\n let colorScheme = _.find(ctrl.colorSchemes, {value: panel.color.colorScheme});\n let colorScale = getColorScale(colorScheme, legendWidth);\n drawSimpleColorLegend(elem, colorScale);\n } else if (panel.color.mode === 'opacity') {\n let colorOptions = panel.color;\n drawSimpleOpacityLegend(elem, colorOptions);\n }\n }\n }\n };\n});\n\n/**\n * Heatmap legend with scale values.\n */\nmod.directive('statusHeatmapLegend', function() {\n return {\n restrict: 'E',\n template: '',\n link: function(scope, elem, attrs) {\n let ctrl = scope.ctrl;\n let panel = scope.ctrl.panel;\n\n render();\n ctrl.events.on('render', function() {\n render();\n });\n\n function render() {\n clearLegend(elem);\n if (!_.isEmpty(ctrl.cardsData) && !_.isEmpty(ctrl.cardsData.cards)) {\n let rangeFrom = ctrl.cardsData.minValue;\n let rangeTo = ctrl.cardsData.maxValue;\n let maxValue = panel.color.max || rangeTo;\n let minValue = panel.color.min || rangeFrom;\n\n if (panel.color.mode === 'spectrum') {\n let colorScheme = _.find(ctrl.colorSchemes, {value: panel.color.colorScheme});\n drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue);\n } else if (panel.color.mode === 'opacity') {\n let colorOptions = panel.color;\n drawOpacityLegend(elem, colorOptions, rangeFrom, rangeTo, maxValue, minValue);\n } else if (panel.color.mode === 'discrete') {\n let colorOptions = panel.color;\n drawDiscreteColorLegend(elem, colorOptions, ctrl.discreteHelper);\n }\n }\n }\n }\n };\n});\n\nfunction drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth()) - 30; // narrow legendWidth by 30px to get space for first and last tick values\n let legendHeight = legendElem.attr(\"height\");\n\n let rangeStep = 1;\n if (rangeTo - rangeFrom > legendWidth) {\n rangeStep = Math.floor((rangeTo - rangeFrom) / legendWidth);\n }\n\n if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {\n rangeStep = rangeTo / MIN_LEGEND_STEPS;\n }\n\n let widthFactor = legendWidth / (rangeTo - rangeFrom);\n let valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);\n\n let colorScale = getColorScale(colorScheme, maxValue, minValue);\n legend.selectAll(\".status-heatmap-color-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d * widthFactor + 10) // shift all color rectangles to the right\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep * widthFactor + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => colorScale(d));\n\n drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);\n}\n\nfunction drawOpacityLegend(elem, options, rangeFrom, rangeTo, maxValue, minValue) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth()) - 30; // narrow legendWidth by 30px to get space for first and last tick values\n let legendHeight = legendElem.attr(\"height\");\n\n let rangeStep = 10;\n let widthFactor = legendWidth / (rangeTo - rangeFrom);\n\n if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {\n rangeStep = rangeTo / MIN_LEGEND_STEPS;\n }\n\n let valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);\n\n let opacityScale = getOpacityScale(options, maxValue, minValue);\n legend.selectAll(\".status-heatmap-opacity-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d * widthFactor + 10) // shift all opacity rectangles to the right\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep * widthFactor)\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", options.cardColor)\n .style(\"opacity\", d => opacityScale(d));\n\n drawLegendValues(elem, opacityScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);\n}\n\nfunction drawDiscreteColorLegend(elem, colorOptions, discreteHelper) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n clearLegend(elem);\n\n let thresholds = colorOptions.thresholds;\n let tooltips = _.map(thresholds, tr => tr.tooltip);\n let valuesNumber = thresholds.length;\n\n // graph width as a fallback\n let $heatmap = $(elem).parent().parent().parent().find('.status-heatmap-panel');\n let graphWidth = $heatmap.find('svg').attr(\"width\");\n\n // calculate max width of tooltip and use it as width for each item\n let textWidth = [];\n legend.selectAll(\".hidden-texts\")\n .data(tooltips)\n .enter().append(\"text\")\n .attr(\"class\", \"axis tick\")\n .attr(\"font-family\", \"sans-serif\")\n .text(d => d)\n .each(function(d,i) {\n let thisWidth = this.getBBox().width;\n textWidth.push(thisWidth);\n this.parentElement.removeChild(this); // remove them just after displaying them in IE friendly way\n });\n\n let legendWidth = Math.floor(_.min([\n graphWidth - 30,\n (_.max(textWidth) + 3) * valuesNumber,\n ]));\n legendElem.attr(\"width\", legendWidth);\n\n let legendHeight = legendElem.attr(\"height\");\n\n let itemWidth = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(valuesNumber); // from 0 to valuesNumber-1\n\n legend.selectAll(\".status-heatmap-color-legend-rect\")\n .data(valuesRange)\n .enter().append(\"rect\")\n .attr(\"x\", d => d*itemWidth)\n .attr(\"y\", 0)\n .attr(\"width\", itemWidth + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => discreteHelper.getDiscreteColor(d));\n\n drawDiscreteLegendValues(elem, colorOptions, legendWidth);\n}\n\n\nfunction drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth) {\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n\n if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {\n return;\n }\n\n let legendValueScale = d3.scaleLinear()\n .domain([0, rangeTo])\n .range([0, legendWidth]);\n\n let ticks = buildLegendTicks(0, rangeTo, maxValue, minValue);\n let xAxis = d3.axisBottom(legendValueScale)\n .tickValues(ticks)\n .tickSize(2);\n\n let colorRect = legendElem.find(\":first-child\");\n let posY = getSvgElemHeight(legendElem) + 2;\n let posX = getSvgElemX(colorRect);\n\n d3.select(legendElem.get(0)).append(\"g\")\n .attr(\"class\", \"axis\")\n .attr(\"transform\", \"translate(\" + posX + \",\" + posY + \")\")\n .call(xAxis);\n\n legend.select(\".axis\").select(\".domain\").remove();\n}\n\nfunction drawDiscreteLegendValues(elem, colorOptions, legendWidth) {\n let thresholds = colorOptions.thresholds;\n\n let legendElem = $(elem).find('svg');\n let legend = d3.select(legendElem.get(0));\n\n if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {\n return;\n }\n\n let valuesNumber = thresholds.length;\n let rangeStep = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n\n\n let legendValueScale = d3.scaleLinear()\n .domain([0, valuesNumber])\n .range([0, legendWidth]);\n\n let thresholdValues = [];\n let thresholdTooltips = [];\n for (let i = 0; i < thresholds.length; i++) {\n thresholdValues.push(thresholds[i].value);\n thresholdTooltips.push(thresholds[i].tooltip);\n }\n\n let xAxis = d3.axisBottom(legendValueScale)\n .tickValues(d3.range(0, valuesNumber, 1)) //thresholdValues)\n .tickSize(2)\n .tickFormat((t) => {\n let i = Math.floor(t);\n let v = thresholdTooltips[i];\n if (v != undefined) {\n return \"\"+v;\n } else {\n v = thresholdValues[i];\n if (v != undefined) {\n return \"\"+v;\n } else {\n return \"n/a\";\n }\n }\n });\n\n let colorRect = legendElem.find(\":first-child\");\n let posY = getSvgElemHeight(legendElem) + 2;\n let posX = getSvgElemX(colorRect) + Math.floor(rangeStep/2);\n\n d3.select(legendElem.get(0)).append(\"g\")\n .attr(\"class\", \"axis\")\n .attr(\"transform\", \"translate(\" + posX + \",\" + posY + \")\")\n .call(xAxis);\n\n legend.select(\".axis\").select(\".domain\").remove();\n}\n\nfunction drawSimpleColorLegend(elem, colorScale) {\n let legendElem = $(elem).find('svg');\n clearLegend(elem);\n\n let legendWidth = Math.floor(legendElem.outerWidth());\n let legendHeight = legendElem.attr(\"height\");\n\n if (legendWidth) {\n let valuesNumber = Math.floor(legendWidth / 2);\n let rangeStep = Math.floor(legendWidth / valuesNumber);\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n\n let legend = d3.select(legendElem.get(0));\n var legendRects = legend.selectAll(\".status-heatmap-color-legend-rect\").data(valuesRange);\n\n legendRects.enter().append(\"rect\")\n .attr(\"x\", d => d)\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep + 1) // Overlap rectangles to prevent gaps\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", d => colorScale(d));\n }\n}\n\nfunction drawSimpleOpacityLegend(elem, options) {\n let legendElem = $(elem).find('svg');\n let graphElem = $(elem);\n clearLegend(elem);\n\n let legend = d3.select(legendElem.get(0));\n let legendWidth = Math.floor(legendElem.outerWidth());\n let legendHeight = legendElem.attr(\"height\");\n\n if (legendWidth) {\n let legendOpacityScale;\n if (options.colorScale === 'linear') {\n legendOpacityScale = d3.scaleLinear()\n .domain([0, legendWidth])\n .range([0, 1]);\n } else if (options.colorScale === 'sqrt') {\n legendOpacityScale = d3.scalePow().exponent(options.exponent)\n .domain([0, legendWidth])\n .range([0, 1]);\n }\n\n let rangeStep = 10;\n let valuesRange = d3.range(0, legendWidth, rangeStep);\n var legendRects = legend.selectAll(\".status-heatmap-opacity-legend-rect\").data(valuesRange);\n\n legendRects.enter().append(\"rect\")\n .attr(\"x\", d => d)\n .attr(\"y\", 0)\n .attr(\"width\", rangeStep)\n .attr(\"height\", legendHeight)\n .attr(\"stroke-width\", 0)\n .attr(\"fill\", options.cardColor)\n .style(\"opacity\", d => legendOpacityScale(d));\n }\n}\n\n\nfunction clearLegend(elem) {\n let legendElem = $(elem).find('svg');\n legendElem.empty();\n}\n\nfunction getColorScale(colorScheme, maxValue, minValue = 0) {\n let colorInterpolator = d3ScaleChromatic[colorScheme.value];\n let colorScaleInverted = colorScheme.invert === 'always' ||\n (colorScheme.invert === 'dark' && !contextSrv.user.lightTheme);\n\n let start = colorScaleInverted ? maxValue : minValue;\n let end = colorScaleInverted ? minValue : maxValue;\n\n return d3.scaleSequential(colorInterpolator).domain([start, end]);\n}\n\nfunction getOpacityScale(options, maxValue, minValue = 0) {\n let legendOpacityScale;\n if (options.colorScale === 'linear') {\n legendOpacityScale = d3.scaleLinear()\n .domain([minValue, maxValue])\n .range([0, 1]);\n } else if (options.colorScale === 'sqrt') {\n legendOpacityScale = d3.scalePow().exponent(options.exponent)\n .domain([minValue, maxValue])\n .range([0, 1]);\n }\n return legendOpacityScale;\n}\n\nfunction getSvgElemX(elem) {\n let svgElem = elem.get(0);\n if (svgElem && svgElem.x && svgElem.x.baseVal) {\n return svgElem.x.baseVal.value;\n } else {\n return 0;\n }\n}\n\nfunction getSvgElemHeight(elem) {\n let svgElem = elem.get(0);\n if (svgElem && svgElem.height && svgElem.height.baseVal) {\n return svgElem.height.baseVal.value;\n } else {\n return 0;\n }\n}\n\nfunction buildLegendTicks(rangeFrom, rangeTo, maxValue, minValue) {\n let range = rangeTo - rangeFrom;\n let tickStepSize = tickStep(rangeFrom, rangeTo, 3);\n let ticksNum = Math.round(range / tickStepSize);\n let ticks = [];\n\n for (let i = 0; i < ticksNum; i++) {\n let current = tickStepSize * i;\n // Add user-defined min and max if it had been set\n if (isValueCloseTo(minValue, current, tickStepSize)) {\n ticks.push(minValue);\n continue;\n } else if (minValue < current) {\n ticks.push(minValue);\n }\n if (isValueCloseTo(maxValue, current, tickStepSize)) {\n ticks.push(maxValue);\n continue;\n } else if (maxValue < current) {\n ticks.push(maxValue);\n }\n ticks.push(tickStepSize * i);\n }\n if (!isValueCloseTo(maxValue, rangeTo, tickStepSize)) {\n ticks.push(maxValue);\n }\n ticks.push(rangeTo);\n ticks = _.sortBy(_.uniq(ticks));\n return ticks;\n}\n\nfunction isValueCloseTo(val, valueTo, step) {\n let diff = Math.abs(val - valueTo);\n return diff < step * 0.3;\n}\n"]}
\ No newline at end of file
diff --git a/src/color_legend.js b/src/color_legend.js
index 7c99ffe..c232ba0 100644
--- a/src/color_legend.js
+++ b/src/color_legend.js
@@ -174,7 +174,7 @@ function drawDiscreteColorLegend(elem, colorOptions, discreteHelper) {
.each(function(d,i) {
let thisWidth = this.getBBox().width;
textWidth.push(thisWidth);
- this.remove(); // remove them just after displaying them
+ this.parentElement.removeChild(this); // remove them just after displaying them in IE friendly way
});
let legendWidth = Math.floor(_.min([