+++ /dev/null
-
-nv.models.cumulativeLineChart = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var lines = nv.models.line()
- , xAxis = nv.models.axis()
- , yAxis = nv.models.axis()
- , legend = nv.models.legend()
- , controls = nv.models.legend()
- , interactiveLayer = nv.interactiveGuideline()
- ;
-
- var margin = {top: 30, right: 30, bottom: 50, left: 60}
- , color = nv.utils.defaultColor()
- , width = null
- , height = null
- , showLegend = true
- , showXAxis = true
- , showYAxis = true
- , rightAlignYAxis = false
- , tooltips = true
- , showControls = true
- , useInteractiveGuideline = false
- , rescaleY = true
- , tooltip = function(key, x, y, e, graph) {
- return '<h3>' + key + '</h3>' +
- '<p>' + y + ' at ' + x + '</p>'
- }
- , x //can be accessed via chart.xScale()
- , y //can be accessed via chart.yScale()
- , id = lines.id()
- , state = { index: 0, rescaleY: rescaleY }
- , defaultState = null
- , noData = 'No Data Available.'
- , average = function(d) { return d.average }
- , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
- , transitionDuration = 250
- ;
-
- xAxis
- .orient('bottom')
- .tickPadding(7)
- ;
- yAxis
- .orient((rightAlignYAxis) ? 'right' : 'left')
- ;
-
- //============================================================
- controls.updateState(false);
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- var dx = d3.scale.linear()
- , index = {i: 0, x: 0}
- ;
-
- var showTooltip = function(e, offsetElement) {
- var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
- top = e.pos[1] + ( offsetElement.offsetTop || 0),
- x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
- y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
- content = tooltip(e.series.key, x, y, e, chart);
-
- nv.tooltip.show([left, top], content, null, null, offsetElement);
- };
-
-/*
- //Moved to see if we can get better behavior to fix issue #315
- var indexDrag = d3.behavior.drag()
- .on('dragstart', dragStart)
- .on('drag', dragMove)
- .on('dragend', dragEnd);
-
- function dragStart(d,i) {
- d3.select(chart.container)
- .style('cursor', 'ew-resize');
- }
-
- function dragMove(d,i) {
- d.x += d3.event.dx;
- d.i = Math.round(dx.invert(d.x));
-
- d3.select(this).attr('transform', 'translate(' + dx(d.i) + ',0)');
- chart.update();
- }
-
- function dragEnd(d,i) {
- d3.select(chart.container)
- .style('cursor', 'auto');
- chart.update();
- }
-*/
-
- //============================================================
-
-
- function chart(selection) {
- selection.each(function(data) {
- var container = d3.select(this).classed('nv-chart-' + id, true),
- that = this;
-
- var availableWidth = (width || parseInt(container.style('width')) || 960)
- - margin.left - margin.right,
- availableHeight = (height || parseInt(container.style('height')) || 400)
- - margin.top - margin.bottom;
-
-
- chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
- chart.container = this;
-
- //set state.disabled
- state.disabled = data.map(function(d) { return !!d.disabled });
-
- if (!defaultState) {
- var key;
- defaultState = {};
- for (key in state) {
- if (state[key] instanceof Array)
- defaultState[key] = state[key].slice(0);
- else
- defaultState[key] = state[key];
- }
- }
-
- var indexDrag = d3.behavior.drag()
- .on('dragstart', dragStart)
- .on('drag', dragMove)
- .on('dragend', dragEnd);
-
-
- function dragStart(d,i) {
- d3.select(chart.container)
- .style('cursor', 'ew-resize');
- }
-
- function dragMove(d,i) {
- index.x = d3.event.x;
- index.i = Math.round(dx.invert(index.x));
- updateZero();
- }
-
- function dragEnd(d,i) {
- d3.select(chart.container)
- .style('cursor', 'auto');
-
- // update state and send stateChange with new index
- state.index = index.i;
- dispatch.stateChange(state);
- }
-
- //------------------------------------------------------------
- // Display No Data message if there's nothing to show.
-
- if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
- var noDataText = container.selectAll('.nv-noData').data([noData]);
-
- noDataText.enter().append('text')
- .attr('class', 'nvd3 nv-noData')
- .attr('dy', '-.7em')
- .style('text-anchor', 'middle');
-
- noDataText
- .attr('x', margin.left + availableWidth / 2)
- .attr('y', margin.top + availableHeight / 2)
- .text(function(d) { return d });
-
- return chart;
- } else {
- container.selectAll('.nv-noData').remove();
- }
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup Scales
-
- x = lines.xScale();
- y = lines.yScale();
-
-
- if (!rescaleY) {
- var seriesDomains = data
- .filter(function(series) { return !series.disabled })
- .map(function(series,i) {
- var initialDomain = d3.extent(series.values, lines.y());
-
- //account for series being disabled when losing 95% or more
- if (initialDomain[0] < -.95) initialDomain[0] = -.95;
-
- return [
- (initialDomain[0] - initialDomain[1]) / (1 + initialDomain[1]),
- (initialDomain[1] - initialDomain[0]) / (1 + initialDomain[0])
- ];
- });
-
- var completeDomain = [
- d3.min(seriesDomains, function(d) { return d[0] }),
- d3.max(seriesDomains, function(d) { return d[1] })
- ]
-
- lines.yDomain(completeDomain);
- } else {
- lines.yDomain(null);
- }
-
-
- dx .domain([0, data[0].values.length - 1]) //Assumes all series have same length
- .range([0, availableWidth])
- .clamp(true);
-
- //------------------------------------------------------------
-
-
- var data = indexify(index.i, data);
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
- var interactivePointerEvents = (useInteractiveGuideline) ? "none" : "all";
- var wrap = container.selectAll('g.nv-wrap.nv-cumulativeLine').data([data]);
- var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-cumulativeLine').append('g');
- var g = wrap.select('g');
-
- gEnter.append('g').attr('class', 'nv-interactive');
- gEnter.append('g').attr('class', 'nv-x nv-axis').style("pointer-events","none");
- gEnter.append('g').attr('class', 'nv-y nv-axis');
- gEnter.append('g').attr('class', 'nv-background');
- gEnter.append('g').attr('class', 'nv-linesWrap').style("pointer-events",interactivePointerEvents);
- gEnter.append('g').attr('class', 'nv-avgLinesWrap').style("pointer-events","none");
- gEnter.append('g').attr('class', 'nv-legendWrap');
- gEnter.append('g').attr('class', 'nv-controlsWrap');
-
-
- //------------------------------------------------------------
- // Legend
-
- if (showLegend) {
- legend.width(availableWidth);
-
- g.select('.nv-legendWrap')
- .datum(data)
- .call(legend);
-
- if ( margin.top != legend.height()) {
- margin.top = legend.height();
- availableHeight = (height || parseInt(container.style('height')) || 400)
- - margin.top - margin.bottom;
- }
-
- g.select('.nv-legendWrap')
- .attr('transform', 'translate(0,' + (-margin.top) +')')
- }
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Controls
-
- if (showControls) {
- var controlsData = [
- { key: 'Re-scale y-axis', disabled: !rescaleY }
- ];
-
- controls.width(140).color(['#444', '#444', '#444']);
- g.select('.nv-controlsWrap')
- .datum(controlsData)
- .attr('transform', 'translate(0,' + (-margin.top) +')')
- .call(controls);
- }
-
- //------------------------------------------------------------
-
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
- if (rightAlignYAxis) {
- g.select(".nv-y.nv-axis")
- .attr("transform", "translate(" + availableWidth + ",0)");
- }
-
- // Show error if series goes below 100%
- var tempDisabled = data.filter(function(d) { return d.tempDisabled });
-
- wrap.select('.tempDisabled').remove(); //clean-up and prevent duplicates
- if (tempDisabled.length) {
- wrap.append('text').attr('class', 'tempDisabled')
- .attr('x', availableWidth / 2)
- .attr('y', '-.71em')
- .style('text-anchor', 'end')
- .text(tempDisabled.map(function(d) { return d.key }).join(', ') + ' values cannot be calculated for this time period.');
- }
-
- //------------------------------------------------------------
- // Main Chart Component(s)
-
- //------------------------------------------------------------
- //Set up interactive layer
- if (useInteractiveGuideline) {
- interactiveLayer
- .width(availableWidth)
- .height(availableHeight)
- .margin({left:margin.left,top:margin.top})
- .svgContainer(container)
- .xScale(x);
- wrap.select(".nv-interactive").call(interactiveLayer);
- }
-
- gEnter.select('.nv-background')
- .append('rect');
-
- g.select('.nv-background rect')
- .attr('width', availableWidth)
- .attr('height', availableHeight);
-
- lines
- //.x(function(d) { return d.x })
- .y(function(d) { return d.display.y })
- .width(availableWidth)
- .height(availableHeight)
- .color(data.map(function(d,i) {
- return d.color || color(d, i);
- }).filter(function(d,i) { return !data[i].disabled && !data[i].tempDisabled; }));
-
-
-
- var linesWrap = g.select('.nv-linesWrap')
- .datum(data.filter(function(d) { return !d.disabled && !d.tempDisabled }));
-
- //d3.transition(linesWrap).call(lines);
- linesWrap.call(lines);
-
- /*Handle average lines [AN-612] ----------------------------*/
-
- //Store a series index number in the data array.
- data.forEach(function(d,i) {
- d.seriesIndex = i;
- });
-
- var avgLineData = data.filter(function(d) {
- return !d.disabled && !!average(d);
- });
-
- var avgLines = g.select(".nv-avgLinesWrap").selectAll("line")
- .data(avgLineData, function(d) { return d.key; });
-
- var getAvgLineY = function(d) {
- //If average lines go off the svg element, clamp them to the svg bounds.
- var yVal = y(average(d));
- if (yVal < 0) return 0;
- if (yVal > availableHeight) return availableHeight;
- return yVal;
- };
-
- avgLines.enter()
- .append('line')
- .style('stroke-width',2)
- .style('stroke-dasharray','10,10')
- .style('stroke',function (d,i) {
- return lines.color()(d,d.seriesIndex);
- })
- .attr('x1',0)
- .attr('x2',availableWidth)
- .attr('y1', getAvgLineY)
- .attr('y2', getAvgLineY);
-
- avgLines
- .style('stroke-opacity',function(d){
- //If average lines go offscreen, make them transparent
- var yVal = y(average(d));
- if (yVal < 0 || yVal > availableHeight) return 0;
- return 1;
- })
- .attr('x1',0)
- .attr('x2',availableWidth)
- .attr('y1', getAvgLineY)
- .attr('y2', getAvgLineY);
-
- avgLines.exit().remove();
-
- //Create index line -----------------------------------------
-
- var indexLine = linesWrap.selectAll('.nv-indexLine')
- .data([index]);
- indexLine.enter().append('rect').attr('class', 'nv-indexLine')
- .attr('width', 3)
- .attr('x', -2)
- .attr('fill', 'red')
- .attr('fill-opacity', .5)
- .style("pointer-events","all")
- .call(indexDrag)
-
- indexLine
- .attr('transform', function(d) { return 'translate(' + dx(d.i) + ',0)' })
- .attr('height', availableHeight)
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup Axes
-
- if (showXAxis) {
- xAxis
- .scale(x)
- //Suggest how many ticks based on the chart width and D3 should listen (70 is the optimal number for MM/DD/YY dates)
- .ticks( Math.min(data[0].values.length,availableWidth/70) )
- .tickSize(-availableHeight, 0);
-
- g.select('.nv-x.nv-axis')
- .attr('transform', 'translate(0,' + y.range()[0] + ')');
- d3.transition(g.select('.nv-x.nv-axis'))
- .call(xAxis);
- }
-
-
- if (showYAxis) {
- yAxis
- .scale(y)
- .ticks( availableHeight / 36 )
- .tickSize( -availableWidth, 0);
-
- d3.transition(g.select('.nv-y.nv-axis'))
- .call(yAxis);
- }
- //------------------------------------------------------------
-
-
- //============================================================
- // Event Handling/Dispatching (in chart's scope)
- //------------------------------------------------------------
-
-
- function updateZero() {
- indexLine
- .data([index]);
-
- //When dragging the index line, turn off line transitions.
- // Then turn them back on when done dragging.
- var oldDuration = chart.transitionDuration();
- chart.transitionDuration(0);
- chart.update();
- chart.transitionDuration(oldDuration);
- }
-
- g.select('.nv-background rect')
- .on('click', function() {
- index.x = d3.mouse(this)[0];
- index.i = Math.round(dx.invert(index.x));
-
- // update state and send stateChange with new index
- state.index = index.i;
- dispatch.stateChange(state);
-
- updateZero();
- });
-
- lines.dispatch.on('elementClick', function(e) {
- index.i = e.pointIndex;
- index.x = dx(index.i);
-
- // update state and send stateChange with new index
- state.index = index.i;
- dispatch.stateChange(state);
-
- updateZero();
- });
-
- controls.dispatch.on('legendClick', function(d,i) {
- d.disabled = !d.disabled;
- rescaleY = !d.disabled;
-
- state.rescaleY = rescaleY;
- dispatch.stateChange(state);
- chart.update();
- });
-
-
- legend.dispatch.on('stateChange', function(newState) {
- state.disabled = newState.disabled;
- dispatch.stateChange(state);
- chart.update();
- });
-
- interactiveLayer.dispatch.on('elementMousemove', function(e) {
- lines.clearHighlights();
- var singlePoint, pointIndex, pointXLocation, allData = [];
-
-
- data
- .filter(function(series, i) {
- series.seriesIndex = i;
- return !series.disabled;
- })
- .forEach(function(series,i) {
- pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
- lines.highlightPoint(i, pointIndex, true);
- var point = series.values[pointIndex];
- if (typeof point === 'undefined') return;
- if (typeof singlePoint === 'undefined') singlePoint = point;
- if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
- allData.push({
- key: series.key,
- value: chart.y()(point, pointIndex),
- color: color(series,series.seriesIndex)
- });
- });
-
- //Highlight the tooltip entry based on which point the mouse is closest to.
- if (allData.length > 2) {
- var yValue = chart.yScale().invert(e.mouseY);
- var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
- var threshold = 0.03 * domainExtent;
- var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value}),yValue,threshold);
- if (indexToHighlight !== null)
- allData[indexToHighlight].highlight = true;
- }
-
- var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex), pointIndex);
- interactiveLayer.tooltip
- .position({left: pointXLocation + margin.left, top: e.mouseY + margin.top})
- .chartContainer(that.parentNode)
- .enabled(tooltips)
- .valueFormatter(function(d,i) {
- return yAxis.tickFormat()(d);
- })
- .data(
- {
- value: xValue,
- series: allData
- }
- )();
-
- interactiveLayer.renderGuideLine(pointXLocation);
-
- });
-
- interactiveLayer.dispatch.on("elementMouseout",function(e) {
- dispatch.tooltipHide();
- lines.clearHighlights();
- });
-
- dispatch.on('tooltipShow', function(e) {
- if (tooltips) showTooltip(e, that.parentNode);
- });
-
-
- // Update chart from a state object passed to event handler
- dispatch.on('changeState', function(e) {
-
- if (typeof e.disabled !== 'undefined') {
- data.forEach(function(series,i) {
- series.disabled = e.disabled[i];
- });
-
- state.disabled = e.disabled;
- }
-
-
- if (typeof e.index !== 'undefined') {
- index.i = e.index;
- index.x = dx(index.i);
-
- state.index = e.index;
-
- indexLine
- .data([index]);
- }
-
-
- if (typeof e.rescaleY !== 'undefined') {
- rescaleY = e.rescaleY;
- }
-
- chart.update();
- });
-
- //============================================================
-
- });
-
- return chart;
- }
-
-
- //============================================================
- // Event Handling/Dispatching (out of chart's scope)
- //------------------------------------------------------------
-
- lines.dispatch.on('elementMouseover.tooltip', function(e) {
- e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
- dispatch.tooltipShow(e);
- });
-
- lines.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.lines = lines;
- chart.legend = legend;
- chart.xAxis = xAxis;
- chart.yAxis = yAxis;
- chart.interactiveLayer = interactiveLayer;
-
- d3.rebind(chart, lines, 'defined', 'isArea', 'x', 'y', 'xScale','yScale', 'size', 'xDomain', 'yDomain', 'xRange', 'yRange', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi','useVoronoi', 'id');
-
- chart.options = nv.utils.optionsFunc.bind(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.rescaleY = function(_) {
- if (!arguments.length) return rescaleY;
- rescaleY = _;
- return chart;
- };
-
- chart.showControls = function(_) {
- if (!arguments.length) return showControls;
- showControls = _;
- return chart;
- };
-
- chart.useInteractiveGuideline = function(_) {
- if(!arguments.length) return useInteractiveGuideline;
- useInteractiveGuideline = _;
- if (_ === true) {
- chart.interactive(false);
- chart.useVoronoi(false);
- }
- return chart;
- };
-
- chart.showLegend = function(_) {
- if (!arguments.length) return showLegend;
- showLegend = _;
- return chart;
- };
-
- chart.showXAxis = function(_) {
- if (!arguments.length) return showXAxis;
- showXAxis = _;
- return chart;
- };
-
- chart.showYAxis = function(_) {
- if (!arguments.length) return showYAxis;
- showYAxis = _;
- return chart;
- };
-
- chart.rightAlignYAxis = function(_) {
- if(!arguments.length) return rightAlignYAxis;
- rightAlignYAxis = _;
- yAxis.orient( (_) ? 'right' : 'left');
- 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.state = function(_) {
- if (!arguments.length) return state;
- state = _;
- return chart;
- };
-
- chart.defaultState = function(_) {
- if (!arguments.length) return defaultState;
- defaultState = _;
- return chart;
- };
-
- chart.noData = function(_) {
- if (!arguments.length) return noData;
- noData = _;
- return chart;
- };
-
- chart.average = function(_) {
- if(!arguments.length) return average;
- average = _;
- return chart;
- };
-
- chart.transitionDuration = function(_) {
- if (!arguments.length) return transitionDuration;
- transitionDuration = _;
- return chart;
- };
-
- //============================================================
-
-
- //============================================================
- // Functions
- //------------------------------------------------------------
-
- /* Normalize the data according to an index point. */
- function indexify(idx, data) {
- return data.map(function(line, i) {
- if (!line.values) {
- return line;
- }
- var v = lines.y()(line.values[idx], idx);
-
- //TODO: implement check below, and disable series if series loses 100% or more cause divide by 0 issue
- if (v < -.95) {
- //if a series loses more than 100%, calculations fail.. anything close can cause major distortion (but is mathematically correct till it hits 100)
- line.tempDisabled = true;
- return line;
- }
-
- line.tempDisabled = false;
-
- line.values = line.values.map(function(point, pointIndex) {
- point.display = {'y': (lines.y()(point, pointIndex) - v) / (1 + v) };
- return point;
- })
-
- return line;
- })
- }
-
- //============================================================
-
-
- return chart;
-}
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