+++ /dev/null
-nv.models.lineWithFocusChart = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var lines = nv.models.line()
- , lines2 = nv.models.line()
- , xAxis = nv.models.axis()
- , yAxis = nv.models.axis()
- , x2Axis = nv.models.axis()
- , y2Axis = nv.models.axis()
- , legend = nv.models.legend()
- , brush = d3.svg.brush()
- ;
-
- var margin = {top: 30, right: 30, bottom: 30, left: 60}
- , margin2 = {top: 0, right: 30, bottom: 20, left: 60}
- , color = nv.utils.defaultColor()
- , width = null
- , height = null
- , height2 = 100
- , x
- , y
- , x2
- , y2
- , showLegend = true
- , brushExtent = null
- , tooltips = true
- , tooltip = function(key, x, y, e, graph) {
- return '<h3>' + key + '</h3>' +
- '<p>' + y + ' at ' + x + '</p>'
- }
- , noData = "No Data Available."
- , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'brush')
- , transitionDuration = 250
- ;
-
- lines
- .clipEdge(true)
- ;
- lines2
- .interactive(false)
- ;
- xAxis
- .orient('bottom')
- .tickPadding(5)
- ;
- yAxis
- .orient('left')
- ;
- x2Axis
- .orient('bottom')
- .tickPadding(5)
- ;
- y2Axis
- .orient('left')
- ;
- //============================================================
-
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- 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);
- };
-
- //============================================================
-
-
- 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,
- availableHeight1 = (height || parseInt(container.style('height')) || 400)
- - margin.top - margin.bottom - height2,
- availableHeight2 = height2 - margin2.top - margin2.bottom;
-
- chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
- chart.container = this;
-
-
- //------------------------------------------------------------
- // 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 + availableHeight1 / 2)
- .text(function(d) { return d });
-
- return chart;
- } else {
- container.selectAll('.nv-noData').remove();
- }
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup Scales
-
- x = lines.xScale();
- y = lines.yScale();
- x2 = lines2.xScale();
- y2 = lines2.yScale();
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
-
- var wrap = container.selectAll('g.nv-wrap.nv-lineWithFocusChart').data([data]);
- var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineWithFocusChart').append('g');
- var g = wrap.select('g');
-
- gEnter.append('g').attr('class', 'nv-legendWrap');
-
- var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
- focusEnter.append('g').attr('class', 'nv-x nv-axis');
- focusEnter.append('g').attr('class', 'nv-y nv-axis');
- focusEnter.append('g').attr('class', 'nv-linesWrap');
-
- var contextEnter = gEnter.append('g').attr('class', 'nv-context');
- contextEnter.append('g').attr('class', 'nv-x nv-axis');
- contextEnter.append('g').attr('class', 'nv-y nv-axis');
- contextEnter.append('g').attr('class', 'nv-linesWrap');
- contextEnter.append('g').attr('class', 'nv-brushBackground');
- contextEnter.append('g').attr('class', 'nv-x nv-brush');
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Legend
-
- if (showLegend) {
- legend.width(availableWidth);
-
- g.select('.nv-legendWrap')
- .datum(data)
- .call(legend);
-
- if ( margin.top != legend.height()) {
- margin.top = legend.height();
- availableHeight1 = (height || parseInt(container.style('height')) || 400)
- - margin.top - margin.bottom - height2;
- }
-
- g.select('.nv-legendWrap')
- .attr('transform', 'translate(0,' + (-margin.top) +')')
- }
-
- //------------------------------------------------------------
-
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
-
- //------------------------------------------------------------
- // Main Chart Component(s)
-
- lines
- .width(availableWidth)
- .height(availableHeight1)
- .color(
- data
- .map(function(d,i) {
- return d.color || color(d, i);
- })
- .filter(function(d,i) {
- return !data[i].disabled;
- })
- );
-
- lines2
- .defined(lines.defined())
- .width(availableWidth)
- .height(availableHeight2)
- .color(
- data
- .map(function(d,i) {
- return d.color || color(d, i);
- })
- .filter(function(d,i) {
- return !data[i].disabled;
- })
- );
-
- g.select('.nv-context')
- .attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')')
-
- var contextLinesWrap = g.select('.nv-context .nv-linesWrap')
- .datum(data.filter(function(d) { return !d.disabled }))
-
- d3.transition(contextLinesWrap).call(lines2);
-
- //------------------------------------------------------------
-
-
- /*
- var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
- .datum(data.filter(function(d) { return !d.disabled }))
-
- d3.transition(focusLinesWrap).call(lines);
- */
-
-
- //------------------------------------------------------------
- // Setup Main (Focus) Axes
-
- xAxis
- .scale(x)
- .ticks( availableWidth / 100 )
- .tickSize(-availableHeight1, 0);
-
- yAxis
- .scale(y)
- .ticks( availableHeight1 / 36 )
- .tickSize( -availableWidth, 0);
-
- g.select('.nv-focus .nv-x.nv-axis')
- .attr('transform', 'translate(0,' + availableHeight1 + ')');
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup Brush
-
- brush
- .x(x2)
- .on('brush', function() {
- //When brushing, turn off transitions because chart needs to change immediately.
- var oldTransition = chart.transitionDuration();
- chart.transitionDuration(0);
- onBrush();
- chart.transitionDuration(oldTransition);
- });
-
- if (brushExtent) brush.extent(brushExtent);
-
- var brushBG = g.select('.nv-brushBackground').selectAll('g')
- .data([brushExtent || brush.extent()])
-
- var brushBGenter = brushBG.enter()
- .append('g');
-
- brushBGenter.append('rect')
- .attr('class', 'left')
- .attr('x', 0)
- .attr('y', 0)
- .attr('height', availableHeight2);
-
- brushBGenter.append('rect')
- .attr('class', 'right')
- .attr('x', 0)
- .attr('y', 0)
- .attr('height', availableHeight2);
-
- var gBrush = g.select('.nv-x.nv-brush')
- .call(brush);
- gBrush.selectAll('rect')
- //.attr('y', -5)
- .attr('height', availableHeight2);
- gBrush.selectAll('.resize').append('path').attr('d', resizePath);
-
- onBrush();
-
- //------------------------------------------------------------
-
-
- //------------------------------------------------------------
- // Setup Secondary (Context) Axes
-
- x2Axis
- .scale(x2)
- .ticks( availableWidth / 100 )
- .tickSize(-availableHeight2, 0);
-
- g.select('.nv-context .nv-x.nv-axis')
- .attr('transform', 'translate(0,' + y2.range()[0] + ')');
- d3.transition(g.select('.nv-context .nv-x.nv-axis'))
- .call(x2Axis);
-
-
- y2Axis
- .scale(y2)
- .ticks( availableHeight2 / 36 )
- .tickSize( -availableWidth, 0);
-
- d3.transition(g.select('.nv-context .nv-y.nv-axis'))
- .call(y2Axis);
-
- g.select('.nv-context .nv-x.nv-axis')
- .attr('transform', 'translate(0,' + y2.range()[0] + ')');
-
- //------------------------------------------------------------
-
-
- //============================================================
- // Event Handling/Dispatching (in chart's scope)
- //------------------------------------------------------------
-
- legend.dispatch.on('stateChange', function(newState) {
- chart.update();
- });
-
- dispatch.on('tooltipShow', function(e) {
- if (tooltips) showTooltip(e, that.parentNode);
- });
-
- //============================================================
-
-
- //============================================================
- // Functions
- //------------------------------------------------------------
-
- // Taken from crossfilter (http://square.github.com/crossfilter/)
- function resizePath(d) {
- var e = +(d == 'e'),
- x = e ? 1 : -1,
- y = availableHeight2 / 3;
- return 'M' + (.5 * x) + ',' + y
- + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
- + 'V' + (2 * y - 6)
- + 'A6,6 0 0 ' + e + ' ' + (.5 * x) + ',' + (2 * y)
- + 'Z'
- + 'M' + (2.5 * x) + ',' + (y + 8)
- + 'V' + (2 * y - 8)
- + 'M' + (4.5 * x) + ',' + (y + 8)
- + 'V' + (2 * y - 8);
- }
-
-
- function updateBrushBG() {
- if (!brush.empty()) brush.extent(brushExtent);
- brushBG
- .data([brush.empty() ? x2.domain() : brushExtent])
- .each(function(d,i) {
- var leftWidth = x2(d[0]) - x.range()[0],
- rightWidth = x.range()[1] - x2(d[1]);
- d3.select(this).select('.left')
- .attr('width', leftWidth < 0 ? 0 : leftWidth);
-
- d3.select(this).select('.right')
- .attr('x', x2(d[1]))
- .attr('width', rightWidth < 0 ? 0 : rightWidth);
- });
- }
-
-
- function onBrush() {
- brushExtent = brush.empty() ? null : brush.extent();
- var extent = brush.empty() ? x2.domain() : brush.extent();
-
- //The brush extent cannot be less than one. If it is, don't update the line chart.
- if (Math.abs(extent[0] - extent[1]) <= 1) {
- return;
- }
-
- dispatch.brush({extent: extent, brush: brush});
-
-
- updateBrushBG();
-
- // Update Main (Focus)
- var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
- .datum(
- data
- .filter(function(d) { return !d.disabled })
- .map(function(d,i) {
- return {
- key: d.key,
- values: d.values.filter(function(d,i) {
- return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
- })
- }
- })
- );
- focusLinesWrap.transition().duration(transitionDuration).call(lines);
-
-
- // Update Main (Focus) Axes
- g.select('.nv-focus .nv-x.nv-axis').transition().duration(transitionDuration)
- .call(xAxis);
- g.select('.nv-focus .nv-y.nv-axis').transition().duration(transitionDuration)
- .call(yAxis);
- }
-
- //============================================================
-
-
- });
-
- 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.legend = legend;
- chart.lines = lines;
- chart.lines2 = lines2;
- chart.xAxis = xAxis;
- chart.yAxis = yAxis;
- chart.x2Axis = x2Axis;
- chart.y2Axis = y2Axis;
-
- d3.rebind(chart, lines, 'defined', 'isArea', 'size', 'xDomain', 'yDomain', 'xRange', 'yRange', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
-
- chart.options = nv.utils.optionsFunc.bind(chart);
-
- chart.x = function(_) {
- if (!arguments.length) return lines.x;
- lines.x(_);
- lines2.x(_);
- return chart;
- };
-
- chart.y = function(_) {
- if (!arguments.length) return lines.y;
- lines.y(_);
- lines2.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.margin2 = function(_) {
- if (!arguments.length) return margin2;
- margin2 = _;
- 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.height2 = function(_) {
- if (!arguments.length) return height2;
- height2 = _;
- 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.interpolate = function(_) {
- if (!arguments.length) return lines.interpolate();
- lines.interpolate(_);
- lines2.interpolate(_);
- return chart;
- };
-
- chart.noData = function(_) {
- if (!arguments.length) return noData;
- noData = _;
- return chart;
- };
-
- // Chart has multiple similar Axes, to prevent code duplication, probably need to link all axis functions manually like below
- chart.xTickFormat = function(_) {
- if (!arguments.length) return xAxis.tickFormat();
- xAxis.tickFormat(_);
- x2Axis.tickFormat(_);
- return chart;
- };
-
- chart.yTickFormat = function(_) {
- if (!arguments.length) return yAxis.tickFormat();
- yAxis.tickFormat(_);
- y2Axis.tickFormat(_);
- return chart;
- };
-
- chart.brushExtent = function(_) {
- if (!arguments.length) return brushExtent;
- brushExtent = _;
- return chart;
- };
-
- chart.transitionDuration = function(_) {
- if (!arguments.length) return transitionDuration;
- transitionDuration = _;
- return chart;
- };
-
- //============================================================
-
-
- return chart;
-}
Code Review / portal.git / blobdiff