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657 lines
20 KiB
JavaScript
657 lines
20 KiB
JavaScript
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nv.models.linePlusBarWithFocusChart = function() {
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"use strict";
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//============================================================
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// Public Variables with Default Settings
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//------------------------------------------------------------
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var lines = nv.models.line()
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, lines2 = nv.models.line()
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, bars = nv.models.historicalBar()
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, bars2 = nv.models.historicalBar()
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, xAxis = nv.models.axis()
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, x2Axis = nv.models.axis()
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, y1Axis = nv.models.axis()
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, y2Axis = nv.models.axis()
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, y3Axis = nv.models.axis()
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, y4Axis = nv.models.axis()
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, legend = nv.models.legend()
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, brush = d3.svg.brush()
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;
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var margin = {top: 30, right: 30, bottom: 30, left: 60}
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, margin2 = {top: 0, right: 30, bottom: 20, left: 60}
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, width = null
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, height = null
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, height2 = 100
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, getX = function(d) { return d.x }
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, getY = function(d) { return d.y }
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, color = nv.utils.defaultColor()
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, showLegend = true
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, extent
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, brushExtent = null
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, tooltips = true
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, tooltip = function(key, x, y, e, graph) {
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return '<h3>' + key + '</h3>' +
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'<p>' + y + ' at ' + x + '</p>';
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}
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, x
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, x2
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, y1
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, y2
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, y3
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, y4
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, noData = "No Data Available."
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, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'brush')
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, transitionDuration = 0
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;
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lines
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.clipEdge(true)
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;
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lines2
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.interactive(false)
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;
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xAxis
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.orient('bottom')
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.tickPadding(5)
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;
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y1Axis
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.orient('left')
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;
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y2Axis
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.orient('right')
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;
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x2Axis
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.orient('bottom')
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.tickPadding(5)
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;
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y3Axis
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.orient('left')
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;
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y4Axis
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.orient('right')
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;
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//============================================================
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//============================================================
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// Private Variables
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//------------------------------------------------------------
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var showTooltip = function(e, offsetElement) {
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if (extent) {
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e.pointIndex += Math.ceil(extent[0]);
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}
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var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
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top = e.pos[1] + ( offsetElement.offsetTop || 0),
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x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
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y = (e.series.bar ? y1Axis : y2Axis).tickFormat()(lines.y()(e.point, e.pointIndex)),
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content = tooltip(e.series.key, x, y, e, chart);
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nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
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};
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//------------------------------------------------------------
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function chart(selection) {
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selection.each(function(data) {
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var container = d3.select(this),
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that = this;
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var availableWidth = (width || parseInt(container.style('width')) || 960)
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- margin.left - margin.right,
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availableHeight1 = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom - height2,
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availableHeight2 = height2 - margin2.top - margin2.bottom;
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chart.update = function() { container.transition().duration(transitionDuration).call(chart); };
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chart.container = this;
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//------------------------------------------------------------
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// Display No Data message if there's nothing to show.
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if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
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var noDataText = container.selectAll('.nv-noData').data([noData]);
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noDataText.enter().append('text')
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.attr('class', 'nvd3 nv-noData')
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.attr('dy', '-.7em')
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.style('text-anchor', 'middle');
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noDataText
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.attr('x', margin.left + availableWidth / 2)
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.attr('y', margin.top + availableHeight1 / 2)
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.text(function(d) { return d });
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return chart;
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} else {
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container.selectAll('.nv-noData').remove();
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}
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup Scales
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var dataBars = data.filter(function(d) { return !d.disabled && d.bar });
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var dataLines = data.filter(function(d) { return !d.bar }); // removed the !d.disabled clause here to fix Issue #240
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x = bars.xScale();
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x2 = x2Axis.scale();
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y1 = bars.yScale();
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y2 = lines.yScale();
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y3 = bars2.yScale();
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y4 = lines2.yScale();
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var series1 = data
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.filter(function(d) { return !d.disabled && d.bar })
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.map(function(d) {
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return d.values.map(function(d,i) {
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return { x: getX(d,i), y: getY(d,i) }
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})
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});
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var series2 = data
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.filter(function(d) { return !d.disabled && !d.bar })
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.map(function(d) {
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return d.values.map(function(d,i) {
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return { x: getX(d,i), y: getY(d,i) }
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})
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});
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x .range([0, availableWidth]);
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x2 .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x } ))
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.range([0, availableWidth]);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup containers and skeleton of chart
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var wrap = container.selectAll('g.nv-wrap.nv-linePlusBar').data([data]);
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var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-linePlusBar').append('g');
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var g = wrap.select('g');
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gEnter.append('g').attr('class', 'nv-legendWrap');
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var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
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focusEnter.append('g').attr('class', 'nv-x nv-axis');
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focusEnter.append('g').attr('class', 'nv-y1 nv-axis');
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focusEnter.append('g').attr('class', 'nv-y2 nv-axis');
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focusEnter.append('g').attr('class', 'nv-barsWrap');
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focusEnter.append('g').attr('class', 'nv-linesWrap');
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var contextEnter = gEnter.append('g').attr('class', 'nv-context');
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contextEnter.append('g').attr('class', 'nv-x nv-axis');
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contextEnter.append('g').attr('class', 'nv-y1 nv-axis');
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contextEnter.append('g').attr('class', 'nv-y2 nv-axis');
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contextEnter.append('g').attr('class', 'nv-barsWrap');
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contextEnter.append('g').attr('class', 'nv-linesWrap');
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contextEnter.append('g').attr('class', 'nv-brushBackground');
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contextEnter.append('g').attr('class', 'nv-x nv-brush');
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Legend
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if (showLegend) {
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legend.width( availableWidth / 2 );
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g.select('.nv-legendWrap')
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.datum(data.map(function(series) {
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series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
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series.key = series.originalKey + (series.bar ? ' (left axis)' : ' (right axis)');
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return series;
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}))
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.call(legend);
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if ( margin.top != legend.height()) {
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margin.top = legend.height();
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availableHeight1 = (height || parseInt(container.style('height')) || 400)
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- margin.top - margin.bottom - height2;
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}
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g.select('.nv-legendWrap')
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.attr('transform', 'translate(' + ( availableWidth / 2 ) + ',' + (-margin.top) +')');
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}
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//------------------------------------------------------------
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wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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//------------------------------------------------------------
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// Context Components
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bars2
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.width(availableWidth)
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.height(availableHeight2)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && data[i].bar }));
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lines2
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.width(availableWidth)
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.height(availableHeight2)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && !data[i].bar }));
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var bars2Wrap = g.select('.nv-context .nv-barsWrap')
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.datum(dataBars.length ? dataBars : [{values:[]}]);
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var lines2Wrap = g.select('.nv-context .nv-linesWrap')
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.datum(!dataLines[0].disabled ? dataLines : [{values:[]}]);
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g.select('.nv-context')
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.attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')')
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bars2Wrap.transition().call(bars2);
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lines2Wrap.transition().call(lines2);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup Brush
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brush
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.x(x2)
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.on('brush', onBrush);
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if (brushExtent) brush.extent(brushExtent);
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var brushBG = g.select('.nv-brushBackground').selectAll('g')
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.data([brushExtent || brush.extent()])
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var brushBGenter = brushBG.enter()
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.append('g');
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brushBGenter.append('rect')
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.attr('class', 'left')
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.attr('x', 0)
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.attr('y', 0)
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.attr('height', availableHeight2);
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brushBGenter.append('rect')
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.attr('class', 'right')
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.attr('x', 0)
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.attr('y', 0)
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.attr('height', availableHeight2);
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var gBrush = g.select('.nv-x.nv-brush')
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.call(brush);
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gBrush.selectAll('rect')
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//.attr('y', -5)
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.attr('height', availableHeight2);
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gBrush.selectAll('.resize').append('path').attr('d', resizePath);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup Secondary (Context) Axes
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x2Axis
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.ticks( availableWidth / 100 )
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.tickSize(-availableHeight2, 0);
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g.select('.nv-context .nv-x.nv-axis')
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.attr('transform', 'translate(0,' + y3.range()[0] + ')');
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g.select('.nv-context .nv-x.nv-axis').transition()
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.call(x2Axis);
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y3Axis
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.scale(y3)
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.ticks( availableHeight2 / 36 )
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.tickSize( -availableWidth, 0);
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g.select('.nv-context .nv-y1.nv-axis')
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.style('opacity', dataBars.length ? 1 : 0)
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.attr('transform', 'translate(0,' + x2.range()[0] + ')');
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g.select('.nv-context .nv-y1.nv-axis').transition()
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.call(y3Axis);
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y4Axis
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.scale(y4)
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.ticks( availableHeight2 / 36 )
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.tickSize(dataBars.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
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g.select('.nv-context .nv-y2.nv-axis')
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.style('opacity', dataLines.length ? 1 : 0)
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.attr('transform', 'translate(' + x2.range()[1] + ',0)');
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g.select('.nv-context .nv-y2.nv-axis').transition()
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.call(y4Axis);
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//------------------------------------------------------------
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//============================================================
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// Event Handling/Dispatching (in chart's scope)
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//------------------------------------------------------------
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legend.dispatch.on('stateChange', function(newState) {
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chart.update();
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});
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dispatch.on('tooltipShow', function(e) {
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if (tooltips) showTooltip(e, that.parentNode);
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});
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//============================================================
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//============================================================
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// Functions
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//------------------------------------------------------------
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// Taken from crossfilter (http://square.github.com/crossfilter/)
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function resizePath(d) {
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var e = +(d == 'e'),
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x = e ? 1 : -1,
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y = availableHeight2 / 3;
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return 'M' + (.5 * x) + ',' + y
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+ 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
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+ 'V' + (2 * y - 6)
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+ 'A6,6 0 0 ' + e + ' ' + (.5 * x) + ',' + (2 * y)
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+ 'Z'
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+ 'M' + (2.5 * x) + ',' + (y + 8)
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+ 'V' + (2 * y - 8)
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+ 'M' + (4.5 * x) + ',' + (y + 8)
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+ 'V' + (2 * y - 8);
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}
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function updateBrushBG() {
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if (!brush.empty()) brush.extent(brushExtent);
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brushBG
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.data([brush.empty() ? x2.domain() : brushExtent])
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.each(function(d,i) {
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var leftWidth = x2(d[0]) - x2.range()[0],
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rightWidth = x2.range()[1] - x2(d[1]);
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d3.select(this).select('.left')
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.attr('width', leftWidth < 0 ? 0 : leftWidth);
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d3.select(this).select('.right')
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.attr('x', x2(d[1]))
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.attr('width', rightWidth < 0 ? 0 : rightWidth);
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});
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}
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function onBrush() {
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brushExtent = brush.empty() ? null : brush.extent();
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extent = brush.empty() ? x2.domain() : brush.extent();
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dispatch.brush({extent: extent, brush: brush});
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updateBrushBG();
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//------------------------------------------------------------
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// Prepare Main (Focus) Bars and Lines
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bars
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.width(availableWidth)
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.height(availableHeight1)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && data[i].bar }));
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lines
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.width(availableWidth)
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.height(availableHeight1)
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.color(data.map(function(d,i) {
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return d.color || color(d, i);
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}).filter(function(d,i) { return !data[i].disabled && !data[i].bar }));
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var focusBarsWrap = g.select('.nv-focus .nv-barsWrap')
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.datum(!dataBars.length ? [{values:[]}] :
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dataBars
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.map(function(d,i) {
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return {
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key: d.key,
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values: d.values.filter(function(d,i) {
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return bars.x()(d,i) >= extent[0] && bars.x()(d,i) <= extent[1];
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})
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}
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})
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);
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var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
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.datum(dataLines[0].disabled ? [{values:[]}] :
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dataLines
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.map(function(d,i) {
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return {
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key: d.key,
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values: d.values.filter(function(d,i) {
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return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
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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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// Update Main (Focus) X Axis
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if (dataBars.length) {
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x = bars.xScale();
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} else {
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x = lines.xScale();
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}
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xAxis
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.scale(x)
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.ticks( availableWidth / 100 )
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.tickSize(-availableHeight1, 0);
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xAxis.domain([Math.ceil(extent[0]), Math.floor(extent[1])]);
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g.select('.nv-x.nv-axis').transition().duration(transitionDuration)
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.call(xAxis);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Update Main (Focus) Bars and Lines
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focusBarsWrap.transition().duration(transitionDuration).call(bars);
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focusLinesWrap.transition().duration(transitionDuration).call(lines);
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//------------------------------------------------------------
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//------------------------------------------------------------
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// Setup and Update Main (Focus) Y Axes
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g.select('.nv-focus .nv-x.nv-axis')
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.attr('transform', 'translate(0,' + y1.range()[0] + ')');
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y1Axis
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.scale(y1)
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.ticks( availableHeight1 / 36 )
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.tickSize(-availableWidth, 0);
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g.select('.nv-focus .nv-y1.nv-axis')
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.style('opacity', dataBars.length ? 1 : 0);
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y2Axis
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.scale(y2)
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.ticks( availableHeight1 / 36 )
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.tickSize(dataBars.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
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g.select('.nv-focus .nv-y2.nv-axis')
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.style('opacity', dataLines.length ? 1 : 0)
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.attr('transform', 'translate(' + x.range()[1] + ',0)');
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g.select('.nv-focus .nv-y1.nv-axis').transition().duration(transitionDuration)
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.call(y1Axis);
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g.select('.nv-focus .nv-y2.nv-axis').transition().duration(transitionDuration)
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.call(y2Axis);
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}
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//============================================================
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onBrush();
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});
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return chart;
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}
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//============================================================
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// Event Handling/Dispatching (out of chart's scope)
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//------------------------------------------------------------
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lines.dispatch.on('elementMouseover.tooltip', function(e) {
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e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
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dispatch.tooltipShow(e);
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});
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lines.dispatch.on('elementMouseout.tooltip', function(e) {
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dispatch.tooltipHide(e);
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});
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bars.dispatch.on('elementMouseover.tooltip', function(e) {
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e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
|
|
dispatch.tooltipShow(e);
|
|
});
|
|
|
|
bars.dispatch.on('elementMouseout.tooltip', function(e) {
|
|
dispatch.tooltipHide(e);
|
|
});
|
|
|
|
dispatch.on('tooltipHide', function() {
|
|
if (tooltips) nv.tooltip.cleanup();
|
|
});
|
|
|
|
//============================================================
|
|
|
|
|
|
//============================================================
|
|
// Expose Public Variables
|
|
//------------------------------------------------------------
|
|
|
|
// expose chart's sub-components
|
|
chart.dispatch = dispatch;
|
|
chart.legend = legend;
|
|
chart.lines = lines;
|
|
chart.lines2 = lines2;
|
|
chart.bars = bars;
|
|
chart.bars2 = bars2;
|
|
chart.xAxis = xAxis;
|
|
chart.x2Axis = x2Axis;
|
|
chart.y1Axis = y1Axis;
|
|
chart.y2Axis = y2Axis;
|
|
chart.y3Axis = y3Axis;
|
|
chart.y4Axis = y4Axis;
|
|
|
|
d3.rebind(chart, lines, 'defined', 'size', 'clipVoronoi', 'interpolate');
|
|
//TODO: consider rebinding x, y and some other stuff, and simply do soemthign lile bars.x(lines.x()), etc.
|
|
//d3.rebind(chart, lines, 'x', 'y', 'size', 'xDomain', 'yDomain', 'xRange', 'yRange', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
|
|
|
|
chart.x = function(_) {
|
|
if (!arguments.length) return getX;
|
|
getX = _;
|
|
lines.x(_);
|
|
bars.x(_);
|
|
return chart;
|
|
};
|
|
|
|
chart.y = function(_) {
|
|
if (!arguments.length) return getY;
|
|
getY = _;
|
|
lines.y(_);
|
|
bars.y(_);
|
|
return chart;
|
|
};
|
|
|
|
chart.margin = function(_) {
|
|
if (!arguments.length) return margin;
|
|
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
|
|
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
|
|
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
|
|
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
|
|
return chart;
|
|
};
|
|
|
|
chart.width = function(_) {
|
|
if (!arguments.length) return width;
|
|
width = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.height = function(_) {
|
|
if (!arguments.length) return height;
|
|
height = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.color = function(_) {
|
|
if (!arguments.length) return color;
|
|
color = nv.utils.getColor(_);
|
|
legend.color(color);
|
|
return chart;
|
|
};
|
|
|
|
chart.showLegend = function(_) {
|
|
if (!arguments.length) return showLegend;
|
|
showLegend = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.tooltips = function(_) {
|
|
if (!arguments.length) return tooltips;
|
|
tooltips = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.tooltipContent = function(_) {
|
|
if (!arguments.length) return tooltip;
|
|
tooltip = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.noData = function(_) {
|
|
if (!arguments.length) return noData;
|
|
noData = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.brushExtent = function(_) {
|
|
if (!arguments.length) return brushExtent;
|
|
brushExtent = _;
|
|
return chart;
|
|
};
|
|
|
|
|
|
//============================================================
|
|
|
|
|
|
return chart;
|
|
}
|