Files
grafana-statusmap/dist/rendering.js
T

715 lines
23 KiB
JavaScript

'use strict';
System.register(['lodash', 'jquery', 'moment', 'app/core/utils/kbn', 'app/core/core', 'app/core/utils/ticks', 'd3', './libs/d3-scale-chromatic/index', './tooltip', './annotations'], function (_export, _context) {
"use strict";
var _, $, moment, kbn, appEvents, contextSrv, tickStep, getScaledDecimals, getFlotTickSize, d3, d3ScaleChromatic, StatusHeatmapTooltip, AnnotationTooltip, MIN_CARD_SIZE, CARD_H_SPACING, CARD_V_SPACING, CARD_ROUND, DATA_RANGE_WIDING_FACTOR, DEFAULT_X_TICK_SIZE_PX, DEFAULT_Y_TICK_SIZE_PX, X_AXIS_TICK_PADDING, Y_AXIS_TICK_PADDING, MIN_SELECTION_WIDTH;
function link(scope, elem, attrs, ctrl) {
var data = void 0,
cardsData = void 0,
timeRange = void 0,
panel = void 0,
heatmap = void 0;
// $heatmap is JQuery object, but heatmap is D3
var $heatmap = elem.find('.status-heatmap-panel');
var tooltip = new StatusHeatmapTooltip($heatmap, scope);
var annotationTooltip = new AnnotationTooltip($heatmap, scope);
var width = void 0,
height = void 0,
yScale = void 0,
xScale = void 0,
chartWidth = void 0,
chartHeight = void 0,
chartTop = void 0,
chartBottom = void 0,
yAxisWidth = void 0,
xAxisHeight = void 0,
cardVSpacing = void 0,
cardHSpacing = void 0,
cardRound = void 0,
cardWidth = void 0,
cardHeight = void 0,
colorScale = void 0,
opacityScale = void 0,
mouseUpHandler = void 0,
xGridSize = void 0,
yGridSize = void 0;
var yOffset = 0;
var selection = {
active: false,
x1: -1,
x2: -1
};
var padding = { left: 0, right: 0, top: 0, bottom: 0 },
margin = { left: 25, right: 15, top: 10, bottom: 20 },
dataRangeWidingFactor = DATA_RANGE_WIDING_FACTOR;
ctrl.events.on('render', function () {
render();
});
function setElementHeight() {
try {
var height = ctrl.height || panel.height || ctrl.row.height;
if (_.isString(height)) {
height = parseInt(height.replace('px', ''), 10);
}
height -= panel.legend.show ? 32 : 10; // bottom padding and space for legend. Change margin in .status-heatmap-color-legend !
$heatmap.css('height', height + 'px');
return true;
} catch (e) {
// IE throws errors sometimes
return false;
}
}
function getYAxisWidth(elem) {
var axis_text = elem.selectAll(".axis-y text").nodes();
var max_text_width = _.max(_.map(axis_text, function (text) {
// Use SVG getBBox method
return text.getBBox().width;
}));
return Math.ceil(max_text_width);
}
function getXAxisHeight(elem) {
var axis_line = elem.select(".axis-x line");
if (!axis_line.empty()) {
var axis_line_position = parseFloat(elem.select(".axis-x line").attr("y2"));
var canvas_width = parseFloat(elem.attr("height"));
return canvas_width - axis_line_position;
} else {
// Default height
return 30;
}
}
function addXAxis() {
// Scale timestamps to cards centers
scope.xScale = xScale = d3.scaleTime().domain([timeRange.from, timeRange.to]).range([xGridSize / 2, chartWidth - xGridSize / 2]);
var ticks = chartWidth / DEFAULT_X_TICK_SIZE_PX;
var grafanaTimeFormatter = grafanaTimeFormat(ticks, timeRange.from, timeRange.to);
var timeFormat = void 0;
var dashboardTimeZone = ctrl.dashboard.getTimezone();
if (dashboardTimeZone === 'utc') {
timeFormat = d3.utcFormat(grafanaTimeFormatter);
} else {
timeFormat = d3.timeFormat(grafanaTimeFormatter);
}
var xAxis = d3.axisBottom(xScale).ticks(ticks).tickFormat(timeFormat).tickPadding(X_AXIS_TICK_PADDING).tickSize(chartHeight);
var posY = chartTop;
var posX = yAxisWidth;
heatmap.append("g").attr("class", "axis axis-x").attr("transform", "translate(" + posX + "," + posY + ")").call(xAxis);
// Remove horizontal line in the top of axis labels (called domain in d3)
heatmap.select(".axis-x").select(".domain").remove();
}
// divide chart height by ticks for cards drawing
function getYScale(ticks) {
var range = [];
var step = chartHeight / ticks.length;
// svg has y=0 on the top, so top card should have a minimal value in range
range.push(step);
for (var i = 1; i < ticks.length; i++) {
range.push(step * (i + 1));
}
return d3.scaleOrdinal().domain(ticks).range(range);
}
// divide chart height by ticks with offset for ticks drawing
function getYAxisScale(ticks) {
var range = [];
var step = chartHeight / ticks.length;
// svg has y=0 on the top, so top tick should have a minimal value in range
range.push(yOffset);
for (var i = 1; i < ticks.length; i++) {
range.push(step * i + yOffset);
}
return d3.scaleOrdinal().domain(ticks).range(range);
}
function addYAxis() {
var ticks = _.uniq(_.map(data, function (d) {
return d.target;
}));
// Set default Y min and max if no data
if (_.isEmpty(data)) {
ticks = [''];
}
if (panel.yAxisSort == 'a → z') {
ticks.sort(function (a, b) {
return a.localeCompare(b, 'en', { ignorePunctuation: false, numeric: true });
});
} else if (panel.yAxisSort == 'z → a') {
ticks.sort(function (b, a) {
return a.localeCompare(b, 'en', { ignorePunctuation: false, numeric: true });
});
}
var yAxisScale = getYAxisScale(ticks);
scope.yScale = yScale = getYScale(ticks);
var yAxis = d3.axisLeft(yAxisScale).tickValues(ticks).tickSizeInner(0 - width).tickPadding(Y_AXIS_TICK_PADDING);
heatmap.append("g").attr("class", "axis axis-y").call(yAxis);
// Calculate Y axis width first, then move axis into visible area
var posY = margin.top;
var posX = getYAxisWidth(heatmap) + Y_AXIS_TICK_PADDING;
heatmap.select(".axis-y").attr("transform", "translate(" + posX + "," + posY + ")");
// Remove vertical line in the right of axis labels (called domain in d3)
heatmap.select(".axis-y").select(".domain").remove();
heatmap.select(".axis-y").selectAll(".tick line").remove();
}
// Wide Y values range and adjust to bucket size
function wideYAxisRange(min, max, tickInterval) {
var y_widing = (max * (dataRangeWidingFactor - 1) - min * (dataRangeWidingFactor - 1)) / 2;
var y_min = void 0,
y_max = void 0;
if (tickInterval === 0) {
y_max = max * dataRangeWidingFactor;
y_min = min - min * (dataRangeWidingFactor - 1);
tickInterval = (y_max - y_min) / 2;
} else {
y_max = Math.ceil((max + y_widing) / tickInterval) * tickInterval;
y_min = Math.floor((min - y_widing) / tickInterval) * tickInterval;
}
// Don't wide axis below 0 if all values are positive
if (min >= 0 && y_min < 0) {
y_min = 0;
}
return { y_min: y_min, y_max: y_max };
}
function tickValueFormatter(decimals) {
var scaledDecimals = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
var format = panel.yAxis.format;
return function (value) {
return kbn.valueFormats[format](value, decimals, scaledDecimals);
};
}
// Create svg element, add axes and
// calculate sizes for cards drawing
function addHeatmapCanvas() {
var heatmap_elem = $heatmap[0];
width = Math.floor($heatmap.width()) - padding.right;
height = Math.floor($heatmap.height()) - padding.bottom;
if (heatmap) {
heatmap.remove();
}
heatmap = d3.select(heatmap_elem).append("svg").attr("width", width).attr("height", height);
chartHeight = height - margin.top - margin.bottom;
chartTop = margin.top;
chartBottom = chartTop + chartHeight;
cardHSpacing = panel.cards.cardHSpacing !== null ? panel.cards.cardHSpacing : CARD_H_SPACING;
cardVSpacing = panel.cards.cardVSpacing !== null ? panel.cards.cardVSpacing : CARD_V_SPACING;
cardRound = panel.cards.cardRound !== null ? panel.cards.cardRound : CARD_ROUND;
// calculate yOffset for YAxis
yGridSize = Math.floor(chartHeight / cardsData.yBucketSize);
cardHeight = yGridSize ? yGridSize - cardVSpacing : 0;
yOffset = cardHeight / 2;
addYAxis();
yAxisWidth = getYAxisWidth(heatmap) + Y_AXIS_TICK_PADDING;
chartWidth = width - yAxisWidth - margin.right;
// TODO allow per-y cardWidth!
// we need to fill chartWidth with xBucketSize cards.
xGridSize = chartWidth / (cardsData.xBucketSize + 1);
cardWidth = xGridSize - cardHSpacing;
addXAxis();
xAxisHeight = getXAxisHeight(heatmap);
if (!panel.yAxis.show) {
heatmap.select(".axis-y").selectAll("line").style("opacity", 0);
}
if (!panel.xAxis.show) {
heatmap.select(".axis-x").selectAll("line").style("opacity", 0);
}
}
function addHeatmap() {
addHeatmapCanvas();
var maxValue = panel.color.max || cardsData.maxValue;
var minValue = panel.color.min || cardsData.minValue;
if (panel.color.mode !== 'discrete') {
colorScale = getColorScale(maxValue, minValue);
}
setOpacityScale(maxValue);
var cards = heatmap.selectAll(".status-heatmap-card").data(cardsData.cards);
cards.append("title");
cards = cards.enter().append("rect").attr("cardId", function (c) {
return c.id;
}).attr("x", getCardX).attr("width", getCardWidth).attr("y", getCardY).attr("height", getCardHeight).attr("rx", cardRound).attr("ry", cardRound).attr("class", "bordered status-heatmap-card").style("fill", getCardColor).style("stroke", getCardColor).style("stroke-width", 0)
//.style("stroke-width", getCardStrokeWidth)
//.style("stroke-dasharray", "3,3")
.style("opacity", getCardOpacity);
var $cards = $heatmap.find(".status-heatmap-card");
$cards.on("mouseenter", function (event) {
tooltip.mouseOverBucket = true;
highlightCard(event);
}).on("mouseleave", function (event) {
tooltip.mouseOverBucket = false;
resetCardHighLight(event);
});
_renderAnnotations();
ctrl.events.emit('render-complete', {
"chartWidth": chartWidth
});
}
function highlightCard(event) {
var color = d3.select(event.target).style("fill");
var highlightColor = d3.color(color).darker(2);
var strokeColor = d3.color(color).brighter(4);
var current_card = d3.select(event.target);
tooltip.originalFillColor = color;
current_card.style("fill", highlightColor).style("stroke", strokeColor).style("stroke-width", 1);
}
function resetCardHighLight(event) {
d3.select(event.target).style("fill", tooltip.originalFillColor).style("stroke", tooltip.originalFillColor).style("stroke-width", 0);
}
function getColorScale(maxValue) {
var minValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var colorScheme = _.find(ctrl.colorSchemes, { value: panel.color.colorScheme });
var colorInterpolator = d3ScaleChromatic[colorScheme.value];
var colorScaleInverted = colorScheme.invert === 'always' || colorScheme.invert === 'dark' && !contextSrv.user.lightTheme;
if (maxValue == minValue) maxValue = minValue + 1;
var start = colorScaleInverted ? maxValue : minValue;
var end = colorScaleInverted ? minValue : maxValue;
return d3.scaleSequential(colorInterpolator).domain([start, end]);
}
function setOpacityScale(maxValue) {
if (panel.color.colorScale === 'linear') {
opacityScale = d3.scaleLinear().domain([0, maxValue]).range([0, 1]);
} else if (panel.color.colorScale === 'sqrt') {
opacityScale = d3.scalePow().exponent(panel.color.exponent).domain([0, maxValue]).range([0, 1]);
}
}
function getCardX(d) {
var x = void 0;
// cx is the center of the card. Card should be placed to the left.
var cx = xScale(d.x);
if (cx - cardWidth / 2 < 0) {
x = yAxisWidth + cardHSpacing / 2;
} else {
x = yAxisWidth + cx - cardWidth / 2;
}
return x;
}
// xScale returns card center. Adjust cardWidth in case of overlaping.
function getCardWidth(d) {
var w = void 0;
var cx = xScale(d.x);
if (cx < cardWidth / 2) {
// Center should not exceed half of card.
// Cut card to the left to prevent overlay of y axis.
var cutted_width = cx - cardHSpacing / 2 + cardWidth / 2;
w = cutted_width > 0 ? cutted_width : 0;
} else if (chartWidth - cx < cardWidth / 2) {
// Cut card to the right to prevent overlay of right graph edge.
w = cardWidth / 2 + (chartWidth - cx - cardHSpacing / 2);
} else {
w = cardWidth;
}
// Card width should be MIN_CARD_SIZE at least
w = Math.max(w, MIN_CARD_SIZE);
if (cardHSpacing == 0) {
w = w + 1;
}
return w;
}
function getCardY(d) {
return yScale(d.y) + chartTop - cardHeight - cardVSpacing / 2;
}
function getCardHeight(d) {
var ys = yScale(d.y);
var y = ys + chartTop - cardHeight - cardVSpacing / 2;
var h = cardHeight;
// Cut card height to prevent overlay
if (y < chartTop) {
h = ys - cardVSpacing / 2;
} else if (ys > chartBottom) {
h = chartBottom - y;
} else if (y + cardHeight > chartBottom) {
h = chartBottom - y;
}
// Height can't be more than chart height
h = Math.min(h, chartHeight);
// Card height should be MIN_CARD_SIZE at least
h = Math.max(h, MIN_CARD_SIZE);
if (cardVSpacing == 0) {
h = h + 1;
}
return h;
}
function getCardColor(d) {
if (panel.color.mode === 'opacity') {
return panel.color.cardColor;
} else if (panel.color.mode === 'spectrum') {
return colorScale(d.value);
} else if (panel.color.mode === 'discrete') {
return ctrl.discreteHelper.getBucketColor(d.values);
}
}
function getCardOpacity(d) {
if (panel.nullPointMode === 'as empty' && d.value == null) {
return 0;
}
if (panel.color.mode === 'opacity') {
return opacityScale(d.value);
} else {
return 1;
}
}
function getCardStrokeWidth(d) {
if (panel.color.mode === 'discrete') {
return '1';
}
return '0';
}
/////////////////////////////
// Selection and crosshair //
/////////////////////////////
// Shared crosshair and tooltip
appEvents.on('graph-hover', function (event) {
drawSharedCrosshair(event.pos);
}, scope);
appEvents.on('graph-hover-clear', function () {
clearCrosshair();
}, scope);
function onMouseDown(event) {
selection.active = true;
selection.x1 = event.offsetX;
mouseUpHandler = function mouseUpHandler() {
onMouseUp();
};
$(document).one("mouseup", mouseUpHandler);
}
function onMouseUp() {
$(document).unbind("mouseup", mouseUpHandler);
mouseUpHandler = null;
selection.active = false;
var selectionRange = Math.abs(selection.x2 - selection.x1);
if (selection.x2 >= 0 && selectionRange > MIN_SELECTION_WIDTH) {
var timeFrom = xScale.invert(Math.min(selection.x1, selection.x2) - yAxisWidth - xGridSize / 2);
var timeTo = xScale.invert(Math.max(selection.x1, selection.x2) - yAxisWidth - xGridSize / 2);
ctrl.timeSrv.setTime({
from: moment.utc(timeFrom),
to: moment.utc(timeTo)
});
}
clearSelection();
}
function onMouseLeave() {
appEvents.emit('graph-hover-clear');
clearCrosshair();
//annotationTooltip.destroy();
}
function onMouseMove(event) {
if (!heatmap) {
return;
}
if (selection.active) {
// Clear crosshair and tooltip
clearCrosshair();
tooltip.destroy();
annotationTooltip.destroy();
selection.x2 = limitSelection(event.offsetX);
drawSelection(selection.x1, selection.x2);
} else {
emitGraphHoverEvet(event);
drawCrosshair(event.offsetX);
tooltip.show(event); //, data);
annotationTooltip.show(event);
}
}
function emitGraphHoverEvet(event) {
var x = xScale.invert(event.offsetX - yAxisWidth - xGridSize / 2).valueOf();
var y = yScale(event.offsetY);
var pos = {
pageX: event.pageX,
pageY: event.pageY,
x: x, x1: x,
y: y, y1: y,
panelRelY: null
};
// Set minimum offset to prevent showing legend from another panel
pos.panelRelY = Math.max(event.offsetY / height, 0.001);
// broadcast to other graph panels that we are hovering
appEvents.emit('graph-hover', { pos: pos, panel: panel });
}
function limitSelection(x2) {
x2 = Math.max(x2, yAxisWidth);
x2 = Math.min(x2, chartWidth + yAxisWidth);
return x2;
}
function drawSelection(posX1, posX2) {
if (heatmap) {
heatmap.selectAll(".status-heatmap-selection").remove();
var selectionX = Math.min(posX1, posX2);
var selectionWidth = Math.abs(posX1 - posX2);
if (selectionWidth > MIN_SELECTION_WIDTH) {
heatmap.append("rect").attr("class", "status-heatmap-selection").attr("x", selectionX).attr("width", selectionWidth).attr("y", chartTop).attr("height", chartHeight);
}
}
}
function clearSelection() {
selection.x1 = -1;
selection.x2 = -1;
if (heatmap) {
heatmap.selectAll(".status-heatmap-selection").remove();
}
}
function drawCrosshair(position) {
if (heatmap) {
heatmap.selectAll(".status-heatmap-crosshair").remove();
var posX = position;
posX = Math.max(posX, yAxisWidth);
posX = Math.min(posX, chartWidth + yAxisWidth);
heatmap.append("g").attr("class", "status-heatmap-crosshair").attr("transform", "translate(" + posX + ",0)").append("line").attr("x1", 1).attr("y1", chartTop).attr("x2", 1).attr("y2", chartBottom).attr("stroke-width", 1);
}
}
// map time to X
function drawSharedCrosshair(pos) {
if (heatmap && ctrl.dashboard.graphTooltip !== 0) {
var posX = xScale(pos.x) + yAxisWidth;
drawCrosshair(posX);
}
}
function clearCrosshair() {
if (heatmap) {
heatmap.selectAll(".status-heatmap-crosshair").remove();
}
}
function render() {
data = ctrl.data;
panel = ctrl.panel;
timeRange = ctrl.range;
cardsData = ctrl.cardsData;
if (!data || !cardsData || !setElementHeight()) {
return;
}
// Draw default axes and return if no data
if (_.isEmpty(cardsData.cards)) {
addHeatmapCanvas();
return;
}
addHeatmap();
scope.yAxisWidth = yAxisWidth;
scope.xAxisHeight = xAxisHeight;
scope.chartHeight = chartHeight;
scope.chartWidth = chartWidth;
scope.chartTop = chartTop;
}
// Register selection listeners
$heatmap.on("mousedown", onMouseDown);
$heatmap.on("mousemove", onMouseMove);
$heatmap.on("mouseleave", onMouseLeave);
function _renderAnnotations() {
if (!ctrl.annotations || ctrl.annotations.length == 0) {
return;
}
if (!heatmap) {
return;
}
var annoData = _.map(ctrl.annotations, function (d, i) {
return { "x": Math.floor(yAxisWidth + xScale(d.time)), "id": i, "anno": d.source };
});
var anno = heatmap.append("g").attr("class", "statusmap-annotations").attr("transform", "translate(0.5,0)").selectAll(".statusmap-annotations").data(annoData).enter().append("g");
anno.append("line")
//.attr("class", "statusmap-annotation-tick")
.attr("x1", function (d) {
return d.x;
}).attr("y1", chartTop).attr("x2", function (d) {
return d.x;
}).attr("y2", chartBottom).style("stroke", function (d) {
return d.anno.iconColor;
}).style("stroke-width", 1).style("stroke-dasharray", "3,3");
anno.append("polygon").attr("points", function (d) {
return [[d.x, chartBottom + 1], [d.x - 5, chartBottom + 6], [d.x + 5, chartBottom + 6]].join(" ");
}).style("stroke-width", 0).style("fill", function (d) {
return d.anno.iconColor;
});
// Polygons didn't fire mouseevents
anno.append("rect").attr("x", function (d) {
return d.x - 5;
}).attr("width", 10).attr("y", chartBottom + 1).attr("height", 5).attr("class", "statusmap-annotation-tick").attr("annoId", function (d) {
return d.id;
}).style("opacity", 0);
var $ticks = $heatmap.find(".statusmap-annotation-tick");
$ticks.on("mouseenter", function (event) {
annotationTooltip.mouseOverAnnotationTick = true;
}).on("mouseleave", function (event) {
annotationTooltip.mouseOverAnnotationTick = false;
});
}
}
_export('default', link);
function grafanaTimeFormat(ticks, min, max) {
if (min && max && ticks) {
var range = max - min;
var secPerTick = range / ticks / 1000;
var oneDay = 86400000;
var oneYear = 31536000000;
if (secPerTick <= 45) {
return "%H:%M:%S";
}
if (secPerTick <= 7200 || range <= oneDay) {
return "%H:%M";
}
if (secPerTick <= 80000) {
return "%m/%d %H:%M";
}
if (secPerTick <= 2419200 || range <= oneYear) {
return "%m/%d";
}
return "%Y-%m";
}
return "%H:%M";
}
return {
setters: [function (_lodash) {
_ = _lodash.default;
}, function (_jquery) {
$ = _jquery.default;
}, function (_moment) {
moment = _moment.default;
}, function (_appCoreUtilsKbn) {
kbn = _appCoreUtilsKbn.default;
}, function (_appCoreCore) {
appEvents = _appCoreCore.appEvents;
contextSrv = _appCoreCore.contextSrv;
}, function (_appCoreUtilsTicks) {
tickStep = _appCoreUtilsTicks.tickStep;
getScaledDecimals = _appCoreUtilsTicks.getScaledDecimals;
getFlotTickSize = _appCoreUtilsTicks.getFlotTickSize;
}, function (_d) {
d3 = _d.default;
}, function (_libsD3ScaleChromaticIndex) {
d3ScaleChromatic = _libsD3ScaleChromaticIndex;
}, function (_tooltip) {
StatusHeatmapTooltip = _tooltip.StatusHeatmapTooltip;
}, function (_annotations) {
AnnotationTooltip = _annotations.AnnotationTooltip;
}],
execute: function () {
MIN_CARD_SIZE = 5;
CARD_H_SPACING = 2;
CARD_V_SPACING = 2;
CARD_ROUND = 0;
DATA_RANGE_WIDING_FACTOR = 1.2;
DEFAULT_X_TICK_SIZE_PX = 100;
DEFAULT_Y_TICK_SIZE_PX = 50;
X_AXIS_TICK_PADDING = 10;
Y_AXIS_TICK_PADDING = 5;
MIN_SELECTION_WIDTH = 2;
}
};
});
//# sourceMappingURL=rendering.js.map