mirror of
https://github.com/EDCD/coriolis.git
synced 2025-12-08 22:33:24 +00:00
248 lines
8.7 KiB
JavaScript
248 lines
8.7 KiB
JavaScript
angular.module('app').directive('lineChart', ['$window', '$translate', '$rootScope', function($window, $translate, $rootScope) {
|
|
|
|
var RENDER_POINTS = 20; // Only render 20 points on the graph
|
|
|
|
return {
|
|
restrict: 'A',
|
|
scope: {
|
|
config: '=',
|
|
series: '='
|
|
},
|
|
link: function(scope, element) {
|
|
var seriesConfig = scope.series,
|
|
series = seriesConfig.series,
|
|
color = d3.scale.ordinal().range(scope.series.colors ? scope.series.colors : ['#ff8c0d']),
|
|
config = scope.config,
|
|
labels = config.labels,
|
|
margin = { top: 15, right: 15, bottom: 35, left: 60 },
|
|
fmtLong = null,
|
|
func = seriesConfig.func,
|
|
drag = d3.behavior.drag(),
|
|
dragging = false,
|
|
// Define Scales
|
|
x = d3.scale.linear(),
|
|
y = d3.scale.linear(),
|
|
// Define Axes
|
|
xAxis = d3.svg.axis().scale(x).outerTickSize(0).orient('bottom'),
|
|
yAxis = d3.svg.axis().scale(y).ticks(6).outerTickSize(0).orient('left'),
|
|
data = [];
|
|
|
|
// Create chart
|
|
var svg = d3.select(element[0]).append('svg');
|
|
var vis = svg.append('g').attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
|
|
var lines = vis.append('g');
|
|
|
|
// Define Area
|
|
var line = d3.svg.line().y(function(d) { return y(d[1]); });
|
|
|
|
// Create Y Axis SVG Elements
|
|
var yTxt = vis.append('g').attr('class', 'y axis')
|
|
.append('text')
|
|
.attr('class', 'cap')
|
|
.attr('transform', 'rotate(-90)')
|
|
.attr('y', -50)
|
|
.attr('dy', '.1em')
|
|
.style('text-anchor', 'middle');
|
|
|
|
// Create X Axis SVG Elements
|
|
var xLbl = vis.append('g').attr('class', 'x axis');
|
|
var xTxt = xLbl.append('text')
|
|
.attr('class', 'cap')
|
|
.attr('y', 30)
|
|
.attr('dy', '.1em')
|
|
.style('text-anchor', 'middle');
|
|
|
|
// xTxt.append('tspan').attr('class', 'metric');
|
|
// yTxt.append('tspan').attr('class', 'metric');
|
|
|
|
// Create and Add tooltip
|
|
var tipHeight = 2 + (1.25 * (series ? series.length : 0.75));
|
|
var tips = vis.append('g').style('display', 'none').attr('class', 'tooltip');
|
|
var markers = vis.append('g').style('display', 'none');
|
|
|
|
tips.append('rect')
|
|
.attr('height', tipHeight + 'em')
|
|
.attr('y', (-tipHeight / 2) + 'em')
|
|
.attr('class', 'tip');
|
|
|
|
tips.append('text')
|
|
.attr('class', 'label x')
|
|
.attr('dy', (-tipHeight / 2) + 'em')
|
|
.attr('y', '1.25em');
|
|
|
|
var background = vis.append('rect') // Background to capture hover/drag
|
|
.attr('fill-opacity', 0)
|
|
.on('mouseover', showTip)
|
|
.on('mouseout', hideTip)
|
|
.on('mousemove', moveTip)
|
|
.call(drag);
|
|
|
|
drag
|
|
.on('dragstart', function() {
|
|
dragging = true;
|
|
moveTip.call(this);
|
|
showTip();
|
|
})
|
|
.on('dragend', function() {
|
|
dragging = false;
|
|
hideTip();
|
|
})
|
|
.on('drag', moveTip);
|
|
|
|
updateFormats();
|
|
|
|
function render() {
|
|
var width = element[0].parentElement.offsetWidth,
|
|
height = width * 0.5 * $rootScope.sizeRatio,
|
|
xMax = seriesConfig.xMax,
|
|
xMin = seriesConfig.xMin,
|
|
yMax = seriesConfig.yMax,
|
|
yMin = seriesConfig.yMin,
|
|
w = width - margin.left - margin.right,
|
|
h = height - margin.top - margin.bottom,
|
|
c, s, val, yVal, delta;
|
|
|
|
data.length = 0; // Reset Data array
|
|
|
|
if (seriesConfig.xMax == seriesConfig.xMin) {
|
|
line.x(function(d, i) { return i * w; });
|
|
} else {
|
|
line.x(function(d) { return x(d[0]); });
|
|
}
|
|
|
|
if (series) {
|
|
for (s = 0; s < series.length; s++) {
|
|
data.push([]);
|
|
}
|
|
|
|
if (xMax == xMin) {
|
|
yVal = func(xMin);
|
|
for (s = 0; s < series.length; s++) {
|
|
data[s].push( [ xMin, yVal[ series[s] ] ], [ 1, yVal[ series[s] ] ]);
|
|
}
|
|
} else {
|
|
delta = (xMax - xMin) / RENDER_POINTS;
|
|
val = 0;
|
|
for (c = 0; c <= RENDER_POINTS; c++) {
|
|
yVal = func(val);
|
|
for (s = 0; s < series.length; s++) {
|
|
data[s].push([ val, yVal[ series[s] ] ]);
|
|
}
|
|
val += delta;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
var seriesData = [];
|
|
if (xMax == xMin) {
|
|
yVal = func(xMin);
|
|
seriesData.push([ xMin, yVal ], [ 1, yVal ]);
|
|
} else {
|
|
delta = (xMax - xMin) / RENDER_POINTS;
|
|
val = 0;
|
|
for (c = 0; c <= RENDER_POINTS; c++) {
|
|
seriesData.push([val, func(val) ]);
|
|
val += delta;
|
|
}
|
|
}
|
|
|
|
data.push(seriesData);
|
|
}
|
|
|
|
// Update Chart Size
|
|
svg.attr('width', width).attr('height', height);
|
|
background.attr('height', h).attr('width', w);
|
|
|
|
// Update domain and scale for axes
|
|
x.range([0, w]).domain([xMin, xMax]).clamp(true);
|
|
xLbl.attr('transform', 'translate(0,' + h + ')');
|
|
xTxt.attr('x', w / 2);
|
|
y.range([h, 0]).domain([yMin, yMax]);
|
|
yTxt.attr('x', -h / 2);
|
|
vis.selectAll('.y.axis').call(yAxis);
|
|
vis.selectAll('.x.axis').call(xAxis);
|
|
|
|
lines.selectAll('path.line')
|
|
.data(data)
|
|
.attr('d', line) // Update existing series
|
|
.enter() // Add new series
|
|
.append('path')
|
|
.attr('class', 'line')
|
|
.attr('stroke', function(d, i) { return color(i); })
|
|
.attr('stroke-width', 2)
|
|
.attr('d', line);
|
|
|
|
tips.selectAll('text.label.y').data(data).enter()
|
|
.append('text')
|
|
.attr('class', 'label y')
|
|
.attr('dy', (-tipHeight / 2) + 'em')
|
|
.attr('y', function(d, i) { return 1.25 * (i + 2) + 'em'; });
|
|
|
|
markers.selectAll('circle.marker').data(data).enter().append('circle').attr('class', 'marker').attr('r', 4);
|
|
}
|
|
|
|
function showTip() {
|
|
tips.style('display', null);
|
|
markers.style('display', null);
|
|
}
|
|
|
|
function hideTip() {
|
|
if (!dragging) {
|
|
tips.style('display', 'none');
|
|
markers.style('display', 'none');
|
|
}
|
|
}
|
|
|
|
function moveTip() {
|
|
var xPos = d3.mouse(this)[0],
|
|
x0 = x.invert(xPos),
|
|
y0 = func(x0),
|
|
yTotal = 0,
|
|
flip = (x0 / x.domain()[1] > 0.65),
|
|
tipWidth = 0,
|
|
minTransY = (tips.selectAll('rect').node().getBoundingClientRect().height / 2) - margin.top;
|
|
|
|
tips.selectAll('text.label.y').text(function(d, i) {
|
|
var yVal = series ? y0[series[i]] : y0;
|
|
yTotal += yVal;
|
|
return (series ? $translate.instant(series[i]) : '') + ' ' + fmtLong(yVal);
|
|
}).append('tspan').attr('class', 'metric').text(' ' + $translate.instant(labels.yAxis.unit));
|
|
|
|
tips.selectAll('text').each(function() {
|
|
if (this.getBBox().width > tipWidth) {
|
|
tipWidth = Math.ceil(this.getBBox().width);
|
|
}
|
|
});
|
|
|
|
tipWidth += 8;
|
|
markers.selectAll('circle.marker').attr('cx', x(x0)).attr('cy', function(d, i) { return y(series ? y0[series[i]] : y0); });
|
|
tips.selectAll('text.label').attr('x', flip ? -12 : 12).style('text-anchor', flip ? 'end' : 'start');
|
|
tips.selectAll('text.label.x').text(fmtLong(x0)).append('tspan').attr('class', 'metric').text(' ' + $translate.instant(labels.xAxis.unit));
|
|
tips.attr('transform', 'translate(' + x(x0) + ',' + Math.max(minTransY, y(yTotal / (series ? series.length : 1))) + ')');
|
|
tips.selectAll('rect')
|
|
.attr('width', tipWidth + 4)
|
|
.attr('x', flip ? -tipWidth - 12 : 8)
|
|
.style('text-anchor', flip ? 'end' : 'start');
|
|
|
|
}
|
|
|
|
function updateFormats() {
|
|
xTxt.text($translate.instant(labels.xAxis.title)).append('tspan').attr('class', 'metric').text(' (' + $translate.instant(labels.xAxis.unit) + ')');
|
|
yTxt.text($translate.instant(labels.yAxis.title)).append('tspan').attr('class', 'metric').text(' (' + $translate.instant(labels.yAxis.unit) + ')');
|
|
fmtLong = $rootScope.localeFormat.numberFormat('.2f');
|
|
xAxis.tickFormat($rootScope.localeFormat.numberFormat('.2r'));
|
|
yAxis.tickFormat($rootScope.localeFormat.numberFormat('.3r'));
|
|
render();
|
|
}
|
|
|
|
angular.element($window).bind('orientationchange resize render', render);
|
|
scope.$watchCollection('series', render); // Watch for changes in the series data
|
|
scope.$on('languageChanged', updateFormats);
|
|
scope.$on('$destroy', function() {
|
|
angular.element($window).unbind('orientationchange resize render', render);
|
|
});
|
|
|
|
}
|
|
};
|
|
}]);
|