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- // Licensed to Cloudera, Inc. under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. Cloudera, Inc. licenses this file
- // to you under the Apache License, Version 2.0 (the
- // "License"); you may not use this file except in compliance
- // with the License. You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- nv.models.scatterChart = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
- var scatter = nv.models.scatter()
- , xAxis = nv.models.axis()
- , yAxis = nv.models.axis()
- , legend = nv.models.legend()
- , controls = nv.models.legend()
- , distX = nv.models.distribution()
- , distY = nv.models.distribution()
- ;
- var margin = {top: 30, right: 20, bottom: 50, left: 75}
- , width = null
- , height = null
- , color = nv.utils.defaultColor()
- , x = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.xScale()
- , y = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.yScale()
- , xPadding = 0
- , yPadding = 0
- , showDistX = false
- , showDistY = false
- , showLegend = true
- , showXAxis = true
- , showYAxis = true
- , rightAlignYAxis = false
- , showControls = !!d3.fisheye
- , fisheye = 0
- , pauseFisheye = false
- , tooltips = true
- , tooltipX = function(key, x, y) { return '<strong>' + x + '</strong>' }
- , tooltipY = function(key, x, y) { return '<strong>' + y + '</strong>' }
- , tooltip = null
- , state = {}
- , defaultState = null
- , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
- , noData = "No Data Available."
- , transitionDuration = 250
- ;
- scatter
- .xScale(x)
- .yScale(y)
- ;
- xAxis
- .orient('bottom')
- .tickPadding(10)
- ;
- yAxis
- .orient((rightAlignYAxis) ? 'right' : 'left')
- .tickPadding(10)
- ;
- distX
- .axis('x')
- ;
- distY
- .axis('y')
- ;
- controls.updateState(false);
- //============================================================
- //============================================================
- // Private Variables
- //------------------------------------------------------------
- var x0, y0;
- var showTooltip = function(e, offsetElement) {
- //TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?)
- var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
- top = e.pos[1] + ( offsetElement.offsetTop || 0),
- leftX = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
- topX = y.range()[0] + margin.top + ( offsetElement.offsetTop || 0),
- leftY = x.range()[0] + margin.left + ( offsetElement.offsetLeft || 0 ),
- topY = e.pos[1] + ( offsetElement.offsetTop || 0),
- xVal = xAxis.tickFormat()(scatter.x()(e.point, e.pointIndex)),
- yVal = yAxis.tickFormat()(scatter.y()(e.point, e.pointIndex));
- if( tooltipX != null )
- nv.tooltip.show([leftX, topX], tooltipX(e.series.key, xVal, yVal, e, chart), 'n', 1, offsetElement, 'x-nvtooltip');
- if( tooltipY != null )
- nv.tooltip.show([leftY, topY], tooltipY(e.series.key, xVal, yVal, e, chart), 'e', 1, offsetElement, 'y-nvtooltip');
- if( tooltip != null )
- nv.tooltip.show([left, top], tooltip(e.series.key, xVal, yVal, e, chart), e.value < 0 ? 'n' : 's', 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().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];
- }
- }
- //------------------------------------------------------------
- // Display noData 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
- x0 = x0 || x;
- y0 = y0 || y;
- //------------------------------------------------------------
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
- var wrap = container.selectAll('g.nv-wrap.nv-scatterChart').data([data]);
- var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatterChart nv-chart-' + scatter.id());
- var gEnter = wrapEnter.append('g');
- var g = wrap.select('g');
- // background for pointer events
- gEnter.append('rect').attr('class', 'nvd3 nv-background');
- gEnter.append('g').attr('class', 'nv-x nv-axis');
- gEnter.append('g').attr('class', 'nv-y nv-axis');
- gEnter.append('g').attr('class', 'nv-scatterWrap');
- gEnter.append('g').attr('class', 'nv-distWrap');
- gEnter.append('g').attr('class', 'nv-legendWrap');
- gEnter.append('g').attr('class', 'nv-controlsWrap');
- //------------------------------------------------------------
- //------------------------------------------------------------
- // Legend
- if (showLegend) {
- var legendWidth = (showControls) ? availableWidth / 2 : availableWidth;
- legend.width(legendWidth);
- wrap.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;
- }
- wrap.select('.nv-legendWrap')
- .attr('transform', 'translate(' + (availableWidth - legendWidth) + ',' + (-margin.top) +')');
- }
- //------------------------------------------------------------
- //------------------------------------------------------------
- // Controls
- if (showControls) {
- controls.width(180).color(['#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)");
- }
- //------------------------------------------------------------
- // Main Chart Component(s)
- scatter
- .width(availableWidth)
- .height(availableHeight)
- .color(data.map(function(d,i) {
- return d.color || color(d, i);
- }).filter(function(d,i) { return !data[i].disabled }));
- if (xPadding !== 0)
- scatter.xDomain(null);
- if (yPadding !== 0)
- scatter.yDomain(null);
- wrap.select('.nv-scatterWrap')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(scatter);
- //Adjust for x and y padding
- if (xPadding !== 0) {
- var xRange = x.domain()[1] - x.domain()[0];
- scatter.xDomain([x.domain()[0] - (xPadding * xRange), x.domain()[1] + (xPadding * xRange)]);
- }
- if (yPadding !== 0) {
- var yRange = y.domain()[1] - y.domain()[0];
- scatter.yDomain([y.domain()[0] - (yPadding * yRange), y.domain()[1] + (yPadding * yRange)]);
- }
- //Only need to update the scatter again if x/yPadding changed the domain.
- if (yPadding !== 0 || xPadding !== 0) {
- wrap.select('.nv-scatterWrap')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(scatter);
- }
- //------------------------------------------------------------
- //------------------------------------------------------------
- // Setup Axes
- if (showXAxis) {
- xAxis
- .scale(x)
- .ticks( xAxis.ticks() && xAxis.ticks().length ? xAxis.ticks() : availableWidth / 100 )
- .tickSize( -availableHeight , 0);
- g.select('.nv-x.nv-axis')
- .attr('transform', 'translate(0,' + y.range()[0] + ')')
- .call(xAxis);
- }
- if (showYAxis) {
- yAxis
- .scale(y)
- .ticks( yAxis.ticks() && yAxis.ticks().length ? yAxis.ticks() : availableHeight / 36 )
- .tickSize( -availableWidth, 0);
- g.select('.nv-y.nv-axis')
- .call(yAxis);
- }
- if (showDistX) {
- distX
- .getData(scatter.x())
- .scale(x)
- .width(availableWidth)
- .color(data.map(function(d,i) {
- return d.color || color(d, i);
- }).filter(function(d,i) { return !data[i].disabled }));
- gEnter.select('.nv-distWrap').append('g')
- .attr('class', 'nv-distributionX');
- g.select('.nv-distributionX')
- .attr('transform', 'translate(0,' + y.range()[0] + ')')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(distX);
- }
- if (showDistY) {
- distY
- .getData(scatter.y())
- .scale(y)
- .width(availableHeight)
- .color(data.map(function(d,i) {
- return d.color || color(d, i);
- }).filter(function(d,i) { return !data[i].disabled }));
- gEnter.select('.nv-distWrap').append('g')
- .attr('class', 'nv-distributionY');
- g.select('.nv-distributionY')
- .attr('transform',
- 'translate(' + (rightAlignYAxis ? availableWidth : -distY.size() ) + ',0)')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(distY);
- }
- //------------------------------------------------------------
- if (d3.fisheye) {
- g.select('.nv-background')
- .attr('width', availableWidth)
- .attr('height', availableHeight);
- g.select('.nv-background').on('mousemove', updateFisheye);
- g.select('.nv-background').on('click', function() { pauseFisheye = !pauseFisheye;});
- scatter.dispatch.on('elementClick.freezeFisheye', function() {
- pauseFisheye = !pauseFisheye;
- });
- }
- function updateFisheye() {
- if (pauseFisheye) {
- g.select('.nv-point-paths').style('pointer-events', 'all');
- return false;
- }
- g.select('.nv-point-paths').style('pointer-events', 'none' );
- var mouse = d3.mouse(this);
- x.distortion(fisheye).focus(mouse[0]);
- y.distortion(fisheye).focus(mouse[1]);
- g.select('.nv-scatterWrap')
- .call(scatter);
- if (showXAxis)
- g.select('.nv-x.nv-axis').call(xAxis);
-
- if (showYAxis)
- g.select('.nv-y.nv-axis').call(yAxis);
-
- g.select('.nv-distributionX')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(distX);
- g.select('.nv-distributionY')
- .datum(data.filter(function(d) { return !d.disabled }))
- .call(distY);
- }
- //============================================================
- // Event Handling/Dispatching (in chart's scope)
- //------------------------------------------------------------
- controls.dispatch.on('legendClick', function(d,i) {
- d.disabled = !d.disabled;
- fisheye = d.disabled ? 0 : 2.5;
- g.select('.nv-background') .style('pointer-events', d.disabled ? 'none' : 'all');
- g.select('.nv-point-paths').style('pointer-events', d.disabled ? 'all' : 'none' );
- if (d.disabled) {
- x.distortion(fisheye).focus(0);
- y.distortion(fisheye).focus(0);
- g.select('.nv-scatterWrap').call(scatter);
- g.select('.nv-x.nv-axis').call(xAxis);
- g.select('.nv-y.nv-axis').call(yAxis);
- } else {
- pauseFisheye = false;
- }
- chart.update();
- });
- legend.dispatch.on('stateChange', function(newState) {
- state.disabled = newState.disabled;
- dispatch.stateChange(state);
- chart.update();
- });
- scatter.dispatch.on('elementMouseover.tooltip', function(e) {
- d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
- .attr('y1', function(d,i) { return e.pos[1] - availableHeight;});
- d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
- .attr('x2', e.pos[0] + distX.size());
- e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
- dispatch.tooltipShow(e);
- });
- 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;
- }
- chart.update();
- });
- //============================================================
- //store old scales for use in transitions on update
- x0 = x.copy();
- y0 = y.copy();
- });
- return chart;
- }
- //============================================================
- // Event Handling/Dispatching (out of chart's scope)
- //------------------------------------------------------------
- scatter.dispatch.on('elementMouseout.tooltip', function(e) {
- dispatch.tooltipHide(e);
- d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
- .attr('y1', 0);
- d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
- .attr('x2', distY.size());
- });
- dispatch.on('tooltipHide', function() {
- if (tooltips) nv.tooltip.cleanup();
- });
- //============================================================
- //============================================================
- // Expose Public Variables
- //------------------------------------------------------------
- // expose chart's sub-components
- chart.dispatch = dispatch;
- chart.scatter = scatter;
- chart.legend = legend;
- chart.controls = controls;
- chart.xAxis = xAxis;
- chart.yAxis = yAxis;
- chart.distX = distX;
- chart.distY = distY;
- d3.rebind(chart, scatter, 'id', 'interactive', 'pointActive', 'x', 'y', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'xRange', 'yRange', 'sizeDomain', 'sizeRange', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'useVoronoi');
- 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);
- distX.color(color);
- distY.color(color);
- return chart;
- };
- chart.showDistX = function(_) {
- if (!arguments.length) return showDistX;
- showDistX = _;
- return chart;
- };
- chart.showDistY = function(_) {
- if (!arguments.length) return showDistY;
- showDistY = _;
- return chart;
- };
- chart.showControls = function(_) {
- if (!arguments.length) return showControls;
- showControls = _;
- 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.fisheye = function(_) {
- if (!arguments.length) return fisheye;
- fisheye = _;
- return chart;
- };
- chart.xPadding = function(_) {
- if (!arguments.length) return xPadding;
- xPadding = _;
- return chart;
- };
- chart.yPadding = function(_) {
- if (!arguments.length) return yPadding;
- yPadding = _;
- 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.tooltipXContent = function(_) {
- if (!arguments.length) return tooltipX;
- tooltipX = _;
- return chart;
- };
- chart.tooltipYContent = function(_) {
- if (!arguments.length) return tooltipY;
- tooltipY = _;
- 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.transitionDuration = function(_) {
- if (!arguments.length) return transitionDuration;
- transitionDuration = _;
- return chart;
- };
- //============================================================
- return chart;
- }
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