--- /dev/null
+
+nv.models.lineChart = function() {
+ "use strict";
+ var margin = {top: 30, right: 20, bottom: 50, left: 60},
+ color = nv.utils.defaultColor(),
+ width = null,
+ height = null,
+ showLegend = true,
+ showControls = true,
+ fisheye = 0,
+ pauseFisheye = false,
+ tooltips = true,
+ tooltip = function(key, x, y, e, graph) {
+ return '<h3>' + key + '</h3>' +
+ '<p>' + y + ' at ' + x + '</p>'
+ },
+ noData = "No Data Available."
+ ;
+
+
+ var x = d3.fisheye.scale(d3.scale.linear).distortion(0);
+
+ var lines = nv.models.line().xScale(x),
+ //x = lines.xScale(),
+ y = lines.yScale(),
+ xAxis = nv.models.axis().scale(x).orient('bottom').tickPadding(5),
+ yAxis = nv.models.axis().scale(y).orient('left'),
+ legend = nv.models.legend().height(30),
+ controls = nv.models.legend().height(30).updateState(false),
+ dispatch = d3.dispatch('tooltipShow', 'tooltipHide');
+
+
+ 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);
+ };
+
+
+ var controlsData = [
+ { key: 'Magnify', disabled: true }
+ ];
+
+
+ function chart(selection) {
+ selection.each(function(data) {
+ var container = d3.select(this),
+ 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().call(chart) };
+ chart.container = this; // I need a reference to the container in order to have outside code check if the chart is visible or not
+ //------------------------------------------------------------
+ // Display No Data message if there's nothing to show.
+
+ if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
+ container.append('text')
+ .attr('class', 'nvd3 nv-noData')
+ .attr('x', availableWidth / 2)
+ .attr('y', availableHeight / 2)
+ .attr('dy', '-.7em')
+ .style('text-anchor', 'middle')
+ .text(noData);
+ return chart;
+ } else {
+ container.select('.nv-noData').remove();
+ }
+
+ //------------------------------------------------------------
+
+
+
+ var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
+ var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
+
+
+ gEnter.append('rect')
+ .attr('class', 'nvd3 nv-background')
+ .attr('width', availableWidth)
+ .attr('height', availableHeight);
+
+
+ gEnter.append('g').attr('class', 'nv-x nv-axis');
+ gEnter.append('g').attr('class', 'nv-y nv-axis');
+ gEnter.append('g').attr('class', 'nv-linesWrap');
+ gEnter.append('g').attr('class', 'nv-legendWrap');
+ gEnter.append('g').attr('class', 'nv-controlsWrap');
+ gEnter.append('g').attr('class', 'nv-controlsWrap');
+
+
+ var g = wrap.select('g');
+
+
+
+
+ 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) +')')
+ }
+
+ if (showControls) {
+ controls.width(180).color(['#444']);
+ g.select('.nv-controlsWrap')
+ .datum(controlsData)
+ .attr('transform', 'translate(0,' + (-margin.top) +')')
+ .call(controls);
+ }
+
+
+
+ lines
+ .width(availableWidth)
+ .height(availableHeight)
+ .color(data.map(function(d,i) {
+ return d.color || color(d, i);
+ }).filter(function(d,i) { return !data[i].disabled }));
+
+
+
+ g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
+
+
+ var linesWrap = g.select('.nv-linesWrap')
+ .datum(data.filter(function(d) { return !d.disabled }))
+
+ d3.transition(linesWrap).call(lines);
+
+
+
+ xAxis
+ //.scale(x)
+ .ticks( availableWidth / 100 )
+ .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);
+
+
+ yAxis
+ //.scale(y)
+ .ticks( availableHeight / 36 )
+ .tickSize( -availableWidth, 0);
+
+ d3.transition(g.select('.nv-y.nv-axis'))
+ .call(yAxis);
+
+
+
+ g.select('.nv-background').on('mousemove', updateFisheye);
+ g.select('.nv-background').on('click', function() { pauseFisheye = !pauseFisheye; });
+ //g.select('.point-paths').on('mousemove', updateFisheye);
+
+
+ function updateFisheye() {
+ if (pauseFisheye) {
+ //g.select('.background') .style('pointer-events', 'none');
+ g.select('.nv-point-paths').style('pointer-events', 'all');
+ return false;
+ }
+
+ g.select('.nv-background') .style('pointer-events', 'all');
+ g.select('.nv-point-paths').style('pointer-events', 'none' );
+
+ var mouse = d3.mouse(this);
+ linesWrap.call(lines);
+ g.select('.nv-x.nv-axis').call(xAxis);
+ x.distortion(fisheye).focus(mouse[0]);
+ }
+
+
+ controls.dispatch.on('legendClick', function(d,i) {
+ d.disabled = !d.disabled;
+
+ fisheye = d.disabled ? 0 : 5;
+ g.select('.nv-background') .style('pointer-events', d.disabled ? 'none' : 'all');
+ g.select('.nv-point-paths').style('pointer-events', d.disabled ? 'all' : 'none' );
+
+ //scatter.interactive(d.disabled);
+ //tooltips = d.disabled;
+
+ if (d.disabled) {
+ x.distortion(fisheye).focus(0);
+
+ linesWrap.call(lines);
+ g.select('.nv-x.nv-axis').call(xAxis);
+ } else {
+ pauseFisheye = false;
+ }
+
+ chart.update();
+ });
+
+
+ legend.dispatch.on('stateChange', function(newState) {
+ chart.update();
+ });
+
+ lines.dispatch.on('elementMouseover.tooltip', function(e) {
+ e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
+ dispatch.tooltipShow(e);
+ });
+ if (tooltips) dispatch.on('tooltipShow', function(e) { showTooltip(e, that.parentNode) } ); // TODO: maybe merge with above?
+
+ lines.dispatch.on('elementMouseout.tooltip', function(e) {
+ dispatch.tooltipHide(e);
+ });
+ if (tooltips) dispatch.on('tooltipHide', nv.tooltip.cleanup);
+
+ });
+
+ return chart;
+ }
+
+
+ chart.dispatch = dispatch;
+ chart.legend = legend;
+ chart.xAxis = xAxis;
+ chart.yAxis = yAxis;
+
+ d3.rebind(chart, lines, 'defined', 'x', 'y', 'size', 'xDomain', 'yDomain', 'xRange', 'yRange', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id', 'interpolate');
+
+ chart.options = nv.utils.optionsFunc.bind(chart);
+
+ chart.margin = function(_) {
+ if (!arguments.length) return margin;
+ margin = _;
+ 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;
+ };
+
+
+ return chart;
+}
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