mirror of
https://github.com/timberjoegithub/grafana-statusmap.git
synced 2026-07-21 23:42:03 +00:00
412 lines
15 KiB
JavaScript
412 lines
15 KiB
JavaScript
'use strict';
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System.register(['angular', 'lodash', 'jquery', 'd3', './libs/d3-scale-chromatic/index', 'app/core/core', 'app/core/utils/ticks'], function (_export, _context) {
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"use strict";
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var angular, _, $, d3, d3ScaleChromatic, contextSrv, tickStep, mod, MIN_LEGEND_STEPS;
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function drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue) {
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var legendElem = $(elem).find('svg');
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var legend = d3.select(legendElem.get(0));
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clearLegend(elem);
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var legendWidth = Math.floor(legendElem.outerWidth()) - 30;
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var legendHeight = legendElem.attr("height");
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var rangeStep = 1;
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if (rangeTo - rangeFrom > legendWidth) {
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rangeStep = Math.floor((rangeTo - rangeFrom) / legendWidth);
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}
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if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {
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rangeStep = rangeTo / MIN_LEGEND_STEPS;
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}
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var widthFactor = legendWidth / (rangeTo - rangeFrom);
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var valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);
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var colorScale = getColorScale(colorScheme, maxValue, minValue);
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legend.selectAll(".status-heatmap-color-legend-rect").data(valuesRange).enter().append("rect").attr("x", function (d) {
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return d * widthFactor;
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}).attr("y", 0).attr("width", rangeStep * widthFactor + 1) // Overlap rectangles to prevent gaps
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.attr("height", legendHeight).attr("stroke-width", 0).attr("fill", function (d) {
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return colorScale(d);
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});
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drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);
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}
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function drawOpacityLegend(elem, options, rangeFrom, rangeTo, maxValue, minValue) {
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var legendElem = $(elem).find('svg');
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var legend = d3.select(legendElem.get(0));
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clearLegend(elem);
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var legendWidth = Math.floor(legendElem.outerWidth()) - 30;
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var legendHeight = legendElem.attr("height");
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var rangeStep = 10;
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var widthFactor = legendWidth / (rangeTo - rangeFrom);
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if (rangeStep * MIN_LEGEND_STEPS > rangeTo) {
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rangeStep = rangeTo / MIN_LEGEND_STEPS;
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}
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var valuesRange = d3.range(rangeFrom, rangeTo, rangeStep);
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var opacityScale = getOpacityScale(options, maxValue, minValue);
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legend.selectAll(".status-heatmap-opacity-legend-rect").data(valuesRange).enter().append("rect").attr("x", function (d) {
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return d * widthFactor;
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}).attr("y", 0).attr("width", rangeStep * widthFactor).attr("height", legendHeight).attr("stroke-width", 0).attr("fill", options.cardColor).style("opacity", function (d) {
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return opacityScale(d);
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});
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drawLegendValues(elem, opacityScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth);
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}
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function drawDiscreteColorLegend(elem, colorOptions, discreteHelper) {
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var legendElem = $(elem).find('svg');
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var legend = d3.select(legendElem.get(0));
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clearLegend(elem);
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var thresholds = colorOptions.thresholds;
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var tooltips = _.map(thresholds, function (tr) {
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return tr.tooltip;
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});
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var valuesNumber = thresholds.length;
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// graph width as a fallback
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var $heatmap = $(elem).parent().parent().parent().find('.status-heatmap-panel');
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var graphWidth = $heatmap.find('svg').attr("width");
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// calculate max width of tooltip and use it as width for each item
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var textWidth = [];
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legend.selectAll(".hidden-texts").data(tooltips).enter().append("text").attr("class", "axis tick").attr("font-family", "sans-serif").text(function (d) {
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return d;
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}).each(function (d, i) {
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var thisWidth = this.getBBox().width;
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textWidth.push(thisWidth);
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this.remove(); // remove them just after displaying them
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});
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var legendWidth = Math.floor(_.min([graphWidth - 30, (_.max(textWidth) + 3) * valuesNumber]));
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legendElem.attr("width", legendWidth);
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var legendHeight = legendElem.attr("height");
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var itemWidth = Math.floor(legendWidth / valuesNumber);
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var valuesRange = d3.range(valuesNumber); // from 0 to valuesNumber-1
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legend.selectAll(".status-heatmap-color-legend-rect").data(valuesRange).enter().append("rect").attr("x", function (d) {
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return d * itemWidth;
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}).attr("y", 0).attr("width", itemWidth + 1) // Overlap rectangles to prevent gaps
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.attr("height", legendHeight).attr("stroke-width", 0).attr("fill", function (d) {
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return discreteHelper.getDiscreteColor(d);
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});
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drawDiscreteLegendValues(elem, colorOptions, legendWidth);
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}
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function drawLegendValues(elem, colorScale, rangeFrom, rangeTo, maxValue, minValue, legendWidth) {
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var legendElem = $(elem).find('svg');
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var legend = d3.select(legendElem.get(0));
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if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {
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return;
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}
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var legendValueScale = d3.scaleLinear().domain([0, rangeTo]).range([0, legendWidth]);
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var ticks = buildLegendTicks(0, rangeTo, maxValue, minValue);
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var xAxis = d3.axisBottom(legendValueScale).tickValues(ticks).tickSize(2);
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var colorRect = legendElem.find(":first-child");
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var posY = getSvgElemHeight(legendElem) + 2;
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var posX = getSvgElemX(colorRect);
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d3.select(legendElem.get(0)).append("g").attr("class", "axis").attr("transform", "translate(" + posX + "," + posY + ")").call(xAxis);
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legend.select(".axis").select(".domain").remove();
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}
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function drawDiscreteLegendValues(elem, colorOptions, legendWidth) {
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var thresholds = colorOptions.thresholds;
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var legendElem = $(elem).find('svg');
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var legend = d3.select(legendElem.get(0));
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if (legendWidth <= 0 || legendElem.get(0).childNodes.length === 0) {
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return;
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}
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var valuesNumber = thresholds.length;
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var rangeStep = Math.floor(legendWidth / valuesNumber);
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var valuesRange = d3.range(0, legendWidth, rangeStep);
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var legendValueScale = d3.scaleLinear().domain([0, valuesNumber]).range([0, legendWidth]);
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var thresholdValues = [];
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var thresholdTooltips = [];
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for (var i = 0; i < thresholds.length; i++) {
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thresholdValues.push(thresholds[i].value);
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thresholdTooltips.push(thresholds[i].tooltip);
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}
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var xAxis = d3.axisBottom(legendValueScale).tickValues(d3.range(0, valuesNumber, 1)) //thresholdValues)
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.tickSize(2).tickFormat(function (t) {
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var i = Math.floor(t);
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var v = thresholdTooltips[i];
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if (v != undefined) {
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return "" + v;
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} else {
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v = thresholdValues[i];
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if (v != undefined) {
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return "" + v;
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} else {
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return "n/a";
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}
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}
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});
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var colorRect = legendElem.find(":first-child");
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var posY = getSvgElemHeight(legendElem) + 2;
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var posX = getSvgElemX(colorRect) + Math.floor(rangeStep / 2);
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d3.select(legendElem.get(0)).append("g").attr("class", "axis").attr("transform", "translate(" + posX + "," + posY + ")").call(xAxis);
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legend.select(".axis").select(".domain").remove();
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}
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function drawSimpleColorLegend(elem, colorScale) {
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var legendElem = $(elem).find('svg');
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clearLegend(elem);
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var legendWidth = Math.floor(legendElem.outerWidth());
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var legendHeight = legendElem.attr("height");
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if (legendWidth) {
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var valuesNumber = Math.floor(legendWidth / 2);
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var rangeStep = Math.floor(legendWidth / valuesNumber);
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var valuesRange = d3.range(0, legendWidth, rangeStep);
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var legend = d3.select(legendElem.get(0));
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var legendRects = legend.selectAll(".status-heatmap-color-legend-rect").data(valuesRange);
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legendRects.enter().append("rect").attr("x", function (d) {
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return d;
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}).attr("y", 0).attr("width", rangeStep + 1) // Overlap rectangles to prevent gaps
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.attr("height", legendHeight).attr("stroke-width", 0).attr("fill", function (d) {
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return colorScale(d);
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});
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}
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}
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function drawSimpleOpacityLegend(elem, options) {
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var legendElem = $(elem).find('svg');
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var graphElem = $(elem);
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clearLegend(elem);
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var legend = d3.select(legendElem.get(0));
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var legendWidth = Math.floor(legendElem.outerWidth());
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var legendHeight = legendElem.attr("height");
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if (legendWidth) {
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var legendOpacityScale = void 0;
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if (options.colorScale === 'linear') {
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legendOpacityScale = d3.scaleLinear().domain([0, legendWidth]).range([0, 1]);
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} else if (options.colorScale === 'sqrt') {
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legendOpacityScale = d3.scalePow().exponent(options.exponent).domain([0, legendWidth]).range([0, 1]);
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}
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var rangeStep = 10;
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var valuesRange = d3.range(0, legendWidth, rangeStep);
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var legendRects = legend.selectAll(".status-heatmap-opacity-legend-rect").data(valuesRange);
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legendRects.enter().append("rect").attr("x", function (d) {
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return d;
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}).attr("y", 0).attr("width", rangeStep).attr("height", legendHeight).attr("stroke-width", 0).attr("fill", options.cardColor).style("opacity", function (d) {
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return legendOpacityScale(d);
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});
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}
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}
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function clearLegend(elem) {
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var legendElem = $(elem).find('svg');
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legendElem.empty();
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}
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function getColorScale(colorScheme, maxValue) {
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var minValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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var colorInterpolator = d3ScaleChromatic[colorScheme.value];
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var colorScaleInverted = colorScheme.invert === 'always' || colorScheme.invert === 'dark' && !contextSrv.user.lightTheme;
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var start = colorScaleInverted ? maxValue : minValue;
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var end = colorScaleInverted ? minValue : maxValue;
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return d3.scaleSequential(colorInterpolator).domain([start, end]);
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}
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function getOpacityScale(options, maxValue) {
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var minValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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var legendOpacityScale = void 0;
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if (options.colorScale === 'linear') {
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legendOpacityScale = d3.scaleLinear().domain([minValue, maxValue]).range([0, 1]);
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} else if (options.colorScale === 'sqrt') {
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legendOpacityScale = d3.scalePow().exponent(options.exponent).domain([minValue, maxValue]).range([0, 1]);
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}
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return legendOpacityScale;
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}
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function getSvgElemX(elem) {
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var svgElem = elem.get(0);
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if (svgElem && svgElem.x && svgElem.x.baseVal) {
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return svgElem.x.baseVal.value;
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} else {
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return 0;
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}
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}
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function getSvgElemHeight(elem) {
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var svgElem = elem.get(0);
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if (svgElem && svgElem.height && svgElem.height.baseVal) {
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return svgElem.height.baseVal.value;
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} else {
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return 0;
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}
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}
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function buildLegendTicks(rangeFrom, rangeTo, maxValue, minValue) {
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var range = rangeTo - rangeFrom;
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var tickStepSize = tickStep(rangeFrom, rangeTo, 3);
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var ticksNum = Math.round(range / tickStepSize);
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var ticks = [];
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for (var i = 0; i < ticksNum; i++) {
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var current = tickStepSize * i;
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// Add user-defined min and max if it had been set
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if (isValueCloseTo(minValue, current, tickStepSize)) {
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ticks.push(minValue);
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continue;
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} else if (minValue < current) {
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ticks.push(minValue);
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}
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if (isValueCloseTo(maxValue, current, tickStepSize)) {
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ticks.push(maxValue);
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continue;
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} else if (maxValue < current) {
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ticks.push(maxValue);
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}
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ticks.push(tickStepSize * i);
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}
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if (!isValueCloseTo(maxValue, rangeTo, tickStepSize)) {
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ticks.push(maxValue);
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}
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ticks.push(rangeTo);
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ticks = _.sortBy(_.uniq(ticks));
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return ticks;
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}
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function isValueCloseTo(val, valueTo, step) {
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var diff = Math.abs(val - valueTo);
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return diff < step * 0.3;
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}
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return {
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setters: [function (_angular) {
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angular = _angular.default;
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}, function (_lodash) {
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_ = _lodash.default;
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}, function (_jquery) {
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$ = _jquery.default;
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}, function (_d) {
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d3 = _d.default;
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}, function (_libsD3ScaleChromaticIndex) {
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d3ScaleChromatic = _libsD3ScaleChromaticIndex;
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}, function (_appCoreCore) {
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contextSrv = _appCoreCore.contextSrv;
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}, function (_appCoreUtilsTicks) {
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tickStep = _appCoreUtilsTicks.tickStep;
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}],
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execute: function () {
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mod = angular.module('grafana.directives');
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MIN_LEGEND_STEPS = 10;
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/**
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* Color legend for heatmap editor.
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*/
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mod.directive('optionsColorLegend', function () {
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return {
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restrict: 'E',
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template: '<div class="status-heatmap-color-legend"><svg width="16.8rem" height="24px"></svg></div>',
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link: function link(scope, elem, attrs) {
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var ctrl = scope.ctrl;
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var panel = scope.ctrl.panel;
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render();
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ctrl.events.on('render', function () {
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render();
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});
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function render() {
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var legendElem = $(elem).find('svg');
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var legendWidth = Math.floor(legendElem.outerWidth());
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if (panel.color.mode === 'spectrum') {
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var colorScheme = _.find(ctrl.colorSchemes, { value: panel.color.colorScheme });
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var colorScale = getColorScale(colorScheme, legendWidth);
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drawSimpleColorLegend(elem, colorScale);
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} else if (panel.color.mode === 'opacity') {
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var colorOptions = panel.color;
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drawSimpleOpacityLegend(elem, colorOptions);
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}
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}
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}
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};
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});
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/**
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* Heatmap legend with scale values.
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*/
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mod.directive('statusHeatmapLegend', function () {
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return {
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restrict: 'E',
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template: '<div class="status-heatmap-color-legend"><svg width="100px" height="6px"></svg></div>',
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link: function link(scope, elem, attrs) {
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var ctrl = scope.ctrl;
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var panel = scope.ctrl.panel;
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render();
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ctrl.events.on('render', function () {
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render();
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});
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function render() {
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clearLegend(elem);
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if (!_.isEmpty(ctrl.cardsData) && !_.isEmpty(ctrl.cardsData.cards)) {
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var rangeFrom = ctrl.cardsData.minValue;
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var rangeTo = ctrl.cardsData.maxValue;
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var maxValue = panel.color.max || rangeTo;
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var minValue = panel.color.min || rangeFrom;
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if (panel.color.mode === 'spectrum') {
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var colorScheme = _.find(ctrl.colorSchemes, { value: panel.color.colorScheme });
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drawColorLegend(elem, colorScheme, rangeFrom, rangeTo, maxValue, minValue);
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} else if (panel.color.mode === 'opacity') {
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var colorOptions = panel.color;
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drawOpacityLegend(elem, colorOptions, rangeFrom, rangeTo, maxValue, minValue);
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} else if (panel.color.mode === 'discrete') {
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var _colorOptions = panel.color;
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drawDiscreteColorLegend(elem, _colorOptions, ctrl.discreteHelper);
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}
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}
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}
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}
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};
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});
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}
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};
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});
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//# sourceMappingURL=color_legend.js.map
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