|
|
@@ -0,0 +1,452 @@
|
|
|
+// 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.growingPie = function() {
|
|
|
+ "use strict";
|
|
|
+ //============================================================
|
|
|
+ // Public Variables with Default Settings
|
|
|
+ //------------------------------------------------------------
|
|
|
+
|
|
|
+ var margin = {top: 0, right: 0, bottom: 0, left: 0}
|
|
|
+ , width = 500
|
|
|
+ , height = 500
|
|
|
+ , getX = function(d) { return d.x }
|
|
|
+ , getY = function(d) { return d.y }
|
|
|
+ , getDescription = function(d) { return d.description }
|
|
|
+ , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
|
|
|
+ , color = nv.utils.defaultColor()
|
|
|
+ , valueFormat = d3.format(',.2f')
|
|
|
+ , showLabels = true
|
|
|
+ , pieLabelsOutside = true
|
|
|
+ , donutLabelsOutside = false
|
|
|
+ , labelType = "key"
|
|
|
+ , labelThreshold = .02 //if slice percentage is under this, don't show label
|
|
|
+ , donut = false
|
|
|
+ , labelSunbeamLayout = false
|
|
|
+ , startAngle = false
|
|
|
+ , endAngle = false
|
|
|
+ , donutRatio = 0.5
|
|
|
+ , selectSlices = null
|
|
|
+ , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
|
|
|
+ ;
|
|
|
+
|
|
|
+ //============================================================
|
|
|
+
|
|
|
+
|
|
|
+ function chart(selection) {
|
|
|
+ selection.each(function(data) {
|
|
|
+ var availableWidth = width - margin.left - margin.right,
|
|
|
+ availableHeight = height - margin.top - margin.bottom,
|
|
|
+ radius = Math.min(availableWidth, availableHeight) / 2,
|
|
|
+ arcRadius = radius-(radius / 5),
|
|
|
+ container = d3.select(this);
|
|
|
+
|
|
|
+
|
|
|
+ //------------------------------------------------------------
|
|
|
+ // Setup containers and skeleton of chart
|
|
|
+
|
|
|
+ //var wrap = container.selectAll('.nv-wrap.nv-pie').data([data]);
|
|
|
+ var wrap = container.selectAll('.nv-wrap.nv-pie').data(data);
|
|
|
+ var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
|
|
|
+ var gEnter = wrapEnter.append('g');
|
|
|
+ var g = wrap.select('g');
|
|
|
+
|
|
|
+ gEnter.append('g').attr('class', 'nv-pie');
|
|
|
+ gEnter.append('g').attr('class', 'nv-pieLabels');
|
|
|
+
|
|
|
+ wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
|
|
|
+ g.select('.nv-pie').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
|
|
|
+ g.select('.nv-pieLabels').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
|
|
|
+
|
|
|
+ //------------------------------------------------------------
|
|
|
+
|
|
|
+
|
|
|
+ container
|
|
|
+ .on('click', function(d,i) {
|
|
|
+ dispatch.chartClick({
|
|
|
+ data: d,
|
|
|
+ index: i,
|
|
|
+ pos: d3.event,
|
|
|
+ id: id
|
|
|
+ });
|
|
|
+ });
|
|
|
+
|
|
|
+
|
|
|
+ var arc = d3.svg.arc()
|
|
|
+ .outerRadius(arcRadius);
|
|
|
+
|
|
|
+ var arcOver = d3.svg.arc()
|
|
|
+ .outerRadius(arcRadius + 10);
|
|
|
+
|
|
|
+ if (startAngle) arc.startAngle(startAngle)
|
|
|
+ if (endAngle) arc.endAngle(endAngle);
|
|
|
+ if (donut) arc.innerRadius(radius * donutRatio);
|
|
|
+
|
|
|
+ // Setup the Pie chart and choose the data element
|
|
|
+ var pie = d3.layout.pie()
|
|
|
+ .sort(null)
|
|
|
+ .value(function(d) { return d.disabled ? 0 : getY(d) });
|
|
|
+
|
|
|
+ var slices = wrap.select('.nv-pie').selectAll('.nv-slice')
|
|
|
+ .data(pie);
|
|
|
+
|
|
|
+ var pieLabels = wrap.select('.nv-pieLabels').selectAll('.nv-label')
|
|
|
+ .data(pie);
|
|
|
+
|
|
|
+ slices.exit().remove();
|
|
|
+ pieLabels.exit().remove();
|
|
|
+
|
|
|
+ selectSlices = function(selected) {
|
|
|
+ $(selected).each(function(cnt, item){
|
|
|
+ slices.each(function(d, i) {
|
|
|
+ if (d.data.obj.value == item) {
|
|
|
+ d3.select(this).classed('selected', true);
|
|
|
+ d3.select(this).select("path").transition().duration(100).attr("d", arcOver);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ var ae = slices.enter().append('g')
|
|
|
+ .attr('class', 'nv-slice')
|
|
|
+ .on('mouseover', function(d,i){
|
|
|
+ d3.select(this).select("path").transition().duration(100).attr("d", arcOver);
|
|
|
+ d3.select(this).classed('hover', true);
|
|
|
+ dispatch.elementMouseover({
|
|
|
+ label: getX(d.data),
|
|
|
+ value: getY(d.data),
|
|
|
+ point: d.data,
|
|
|
+ pointIndex: i,
|
|
|
+ pos: [d3.event.pageX, d3.event.pageY],
|
|
|
+ id: id
|
|
|
+ });
|
|
|
+ })
|
|
|
+ .on('mouseout', function(d,i){
|
|
|
+ if (!d3.select(this).classed('selected')){
|
|
|
+ d3.select(this).select("path").transition().duration(100).attr("d", arc);
|
|
|
+ }
|
|
|
+ d3.select(this).classed('hover', false);
|
|
|
+ dispatch.elementMouseout({
|
|
|
+ label: getX(d.data),
|
|
|
+ value: getY(d.data),
|
|
|
+ point: d.data,
|
|
|
+ index: i,
|
|
|
+ id: id
|
|
|
+ });
|
|
|
+ })
|
|
|
+ .on('click', function(d,i) {
|
|
|
+ d3.select(this).select("path").transition().duration(100).attr("d", arcOver);
|
|
|
+ dispatch.elementClick({
|
|
|
+ label: getX(d.data),
|
|
|
+ value: getY(d.data),
|
|
|
+ point: d.data,
|
|
|
+ index: i,
|
|
|
+ pos: d3.event,
|
|
|
+ id: id
|
|
|
+ });
|
|
|
+ d3.event.stopPropagation();
|
|
|
+ })
|
|
|
+ .on('dblclick', function(d,i) {
|
|
|
+ d3.select(this).select("path").transition().duration(100).attr("d", arc);
|
|
|
+ dispatch.elementDblClick({
|
|
|
+ label: getX(d.data),
|
|
|
+ value: getY(d.data),
|
|
|
+ point: d.data,
|
|
|
+ index: i,
|
|
|
+ pos: d3.event,
|
|
|
+ id: id
|
|
|
+ });
|
|
|
+ d3.event.stopPropagation();
|
|
|
+ });
|
|
|
+
|
|
|
+ slices
|
|
|
+ .attr('fill', function(d,i) { return color(d, i); })
|
|
|
+ .attr('stroke', function(d,i) { return color(d, i); });
|
|
|
+
|
|
|
+ var paths = ae.append('path')
|
|
|
+ .each(function(d) { this._current = d; });
|
|
|
+ //.attr('d', arc);
|
|
|
+
|
|
|
+ slices.select('path')
|
|
|
+ .transition()
|
|
|
+ .attr('d', arc)
|
|
|
+ .attrTween('d', arcTween);
|
|
|
+
|
|
|
+ if (showLabels) {
|
|
|
+ // This does the normal label
|
|
|
+ var labelsArc = d3.svg.arc().innerRadius(0);
|
|
|
+
|
|
|
+ if (pieLabelsOutside){ labelsArc = arc; }
|
|
|
+
|
|
|
+ if (donutLabelsOutside) { labelsArc = d3.svg.arc().outerRadius(arc.outerRadius()); }
|
|
|
+
|
|
|
+ pieLabels.enter().append("g").classed("nv-label",true)
|
|
|
+ .each(function(d,i) {
|
|
|
+ var group = d3.select(this);
|
|
|
+
|
|
|
+ group
|
|
|
+ .attr('transform', function(d) {
|
|
|
+ if (labelSunbeamLayout) {
|
|
|
+ d.outerRadius = arcRadius + 10; // Set Outer Coordinate
|
|
|
+ d.innerRadius = arcRadius + 15; // Set Inner Coordinate
|
|
|
+ var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
|
|
|
+ if ((d.startAngle+d.endAngle)/2 < Math.PI) {
|
|
|
+ rotateAngle -= 90;
|
|
|
+ } else {
|
|
|
+ rotateAngle += 90;
|
|
|
+ }
|
|
|
+ return 'translate(' + labelsArc.centroid(d) + ') rotate(' + rotateAngle + ')';
|
|
|
+ } else {
|
|
|
+ d.outerRadius = radius + 10; // Set Outer Coordinate
|
|
|
+ d.innerRadius = radius + 15; // Set Inner Coordinate
|
|
|
+ return 'translate(' + labelsArc.centroid(d) + ')'
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ group.append('rect')
|
|
|
+ .style('stroke', '#fff')
|
|
|
+ .style('fill', '#fff')
|
|
|
+ .attr("rx", 3)
|
|
|
+ .attr("ry", 3);
|
|
|
+
|
|
|
+ group.append('text')
|
|
|
+ .style('text-anchor', labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle') //center the text on it's origin or begin/end if orthogonal aligned
|
|
|
+ .style('fill', '#000')
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ var labelLocationHash = {};
|
|
|
+ var avgHeight = 14;
|
|
|
+ var avgWidth = 140;
|
|
|
+ var createHashKey = function(coordinates) {
|
|
|
+
|
|
|
+ return Math.floor(coordinates[0]/avgWidth) * avgWidth + ',' + Math.floor(coordinates[1]/avgHeight) * avgHeight;
|
|
|
+ };
|
|
|
+ pieLabels.transition()
|
|
|
+ .attr('transform', function(d) {
|
|
|
+ if (labelSunbeamLayout) {
|
|
|
+ d.outerRadius = arcRadius + 10; // Set Outer Coordinate
|
|
|
+ d.innerRadius = arcRadius + 15; // Set Inner Coordinate
|
|
|
+ var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
|
|
|
+ if ((d.startAngle+d.endAngle)/2 < Math.PI) {
|
|
|
+ rotateAngle -= 90;
|
|
|
+ } else {
|
|
|
+ rotateAngle += 90;
|
|
|
+ }
|
|
|
+ return 'translate(' + labelsArc.centroid(d) + ') rotate(' + rotateAngle + ')';
|
|
|
+ } else {
|
|
|
+ d.outerRadius = radius + 10; // Set Outer Coordinate
|
|
|
+ d.innerRadius = radius + 15; // Set Inner Coordinate
|
|
|
+
|
|
|
+ /*
|
|
|
+ Overlapping pie labels are not good. What this attempts to do is, prevent overlapping.
|
|
|
+ Each label location is hashed, and if a hash collision occurs, we assume an overlap.
|
|
|
+ Adjust the label's y-position to remove the overlap.
|
|
|
+ */
|
|
|
+ var center = labelsArc.centroid(d);
|
|
|
+ var hashKey = createHashKey(center);
|
|
|
+ if (labelLocationHash[hashKey]) {
|
|
|
+ center[1] -= avgHeight;
|
|
|
+ }
|
|
|
+ labelLocationHash[createHashKey(center)] = true;
|
|
|
+ return 'translate(' + center + ')'
|
|
|
+ }
|
|
|
+ });
|
|
|
+ pieLabels.select(".nv-label text")
|
|
|
+ .style('text-anchor', labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle') //center the text on it's origin or begin/end if orthogonal aligned
|
|
|
+ .text(function(d, i) {
|
|
|
+ var percent = (d.endAngle - d.startAngle) / (2 * Math.PI);
|
|
|
+ var labelTypes = {
|
|
|
+ "key" : getX(d.data),
|
|
|
+ "value": getY(d.data),
|
|
|
+ "percent": d3.format('%')(percent)
|
|
|
+ };
|
|
|
+ return (d.value && percent > labelThreshold) ? labelTypes[labelType] : '';
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ // Computes the angle of an arc, converting from radians to degrees.
|
|
|
+ function angle(d) {
|
|
|
+ var a = (d.startAngle + d.endAngle) * 90 / Math.PI - 90;
|
|
|
+ return a > 90 ? a - 180 : a;
|
|
|
+ }
|
|
|
+
|
|
|
+ function arcTween(a) {
|
|
|
+ a.endAngle = isNaN(a.endAngle) ? 0 : a.endAngle;
|
|
|
+ a.startAngle = isNaN(a.startAngle) ? 0 : a.startAngle;
|
|
|
+ if (!donut) a.innerRadius = 0;
|
|
|
+ var i = d3.interpolate(this._current, a);
|
|
|
+ this._current = i(0);
|
|
|
+ return function(t) {
|
|
|
+ return arc(i(t));
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ function tweenPie(b) {
|
|
|
+ b.innerRadius = 0;
|
|
|
+ var i = d3.interpolate({startAngle: 0, endAngle: 0}, b);
|
|
|
+ return function(t) {
|
|
|
+ return arc(i(t));
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ });
|
|
|
+
|
|
|
+ return chart;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ //============================================================
|
|
|
+ // Expose Public Variables
|
|
|
+ //------------------------------------------------------------
|
|
|
+
|
|
|
+ chart.dispatch = dispatch;
|
|
|
+ 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.values = function(_) {
|
|
|
+ nv.log("pie.values() is no longer supported.");
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.x = function(_) {
|
|
|
+ if (!arguments.length) return getX;
|
|
|
+ getX = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.y = function(_) {
|
|
|
+ if (!arguments.length) return getY;
|
|
|
+ getY = d3.functor(_);
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.description = function(_) {
|
|
|
+ if (!arguments.length) return getDescription;
|
|
|
+ getDescription = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.showLabels = function(_) {
|
|
|
+ if (!arguments.length) return showLabels;
|
|
|
+ showLabels = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.labelSunbeamLayout = function(_) {
|
|
|
+ if (!arguments.length) return labelSunbeamLayout;
|
|
|
+ labelSunbeamLayout = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.donutLabelsOutside = function(_) {
|
|
|
+ if (!arguments.length) return donutLabelsOutside;
|
|
|
+ donutLabelsOutside = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.pieLabelsOutside = function(_) {
|
|
|
+ if (!arguments.length) return pieLabelsOutside;
|
|
|
+ pieLabelsOutside = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.labelType = function(_) {
|
|
|
+ if (!arguments.length) return labelType;
|
|
|
+ labelType = _;
|
|
|
+ labelType = labelType || "key";
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.donut = function(_) {
|
|
|
+ if (!arguments.length) return donut;
|
|
|
+ donut = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.donutRatio = function(_) {
|
|
|
+ if (!arguments.length) return donutRatio;
|
|
|
+ donutRatio = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.startAngle = function(_) {
|
|
|
+ if (!arguments.length) return startAngle;
|
|
|
+ startAngle = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.endAngle = function(_) {
|
|
|
+ if (!arguments.length) return endAngle;
|
|
|
+ endAngle = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.id = function(_) {
|
|
|
+ if (!arguments.length) return id;
|
|
|
+ id = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.color = function(_) {
|
|
|
+ if (!arguments.length) return color;
|
|
|
+ color = nv.utils.getColor(_);
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.valueFormat = function(_) {
|
|
|
+ if (!arguments.length) return valueFormat;
|
|
|
+ valueFormat = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.labelThreshold = function(_) {
|
|
|
+ if (!arguments.length) return labelThreshold;
|
|
|
+ labelThreshold = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.selectSlices = function(args) {
|
|
|
+ if (!arguments.length) return selectSlices;
|
|
|
+ selectSlices(args);
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+ //============================================================
|
|
|
+
|
|
|
+
|
|
|
+ return chart;
|
|
|
+}
|