+++ /dev/null
-
-// Chart design based on the recommendations of Stephen Few. Implementation
-// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
-// http://projects.instantcognition.com/protovis/bulletchart/
-nv.models.bulletChart = function() {
- "use strict";
- //============================================================
- // Public Variables with Default Settings
- //------------------------------------------------------------
-
- var bullet = nv.models.bullet()
- ;
-
- var orient = 'left' // TODO top & bottom
- , reverse = false
- , margin = {top: 5, right: 40, bottom: 20, left: 120}
- , ranges = function(d) { return d.ranges }
- , markers = function(d) { return d.markers }
- , measures = function(d) { return d.measures }
- , width = null
- , height = 55
- , tickFormat = null
- , tooltips = true
- , tooltip = function(key, x, y, e, graph) {
- return '<h3>' + x + '</h3>' +
- '<p>' + y + '</p>'
- }
- , noData = 'No Data Available.'
- , dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
- ;
-
- //============================================================
-
-
- //============================================================
- // Private Variables
- //------------------------------------------------------------
-
- var showTooltip = function(e, offsetElement) {
- var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ) + margin.left,
- top = e.pos[1] + ( offsetElement.offsetTop || 0) + margin.top,
- content = tooltip(e.key, e.label, e.value, e, chart);
-
- nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w', null, offsetElement);
- };
-
- //============================================================
-
-
- function chart(selection) {
- selection.each(function(d, i) {
- var container = d3.select(this);
-
- var availableWidth = (width || parseInt(container.style('width')) || 960)
- - margin.left - margin.right,
- availableHeight = height - margin.top - margin.bottom,
- that = this;
-
-
- chart.update = function() { chart(selection) };
- chart.container = this;
-
- //------------------------------------------------------------
- // Display No Data message if there's nothing to show.
-
- if (!d || !ranges.call(this, d, i)) {
- 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', 18 + margin.top + availableHeight / 2)
- .text(function(d) { return d });
-
- return chart;
- } else {
- container.selectAll('.nv-noData').remove();
- }
-
- //------------------------------------------------------------
-
-
-
- var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
- markerz = markers.call(this, d, i).slice().sort(d3.descending),
- measurez = measures.call(this, d, i).slice().sort(d3.descending);
-
-
- //------------------------------------------------------------
- // Setup containers and skeleton of chart
-
- var wrap = container.selectAll('g.nv-wrap.nv-bulletChart').data([d]);
- var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bulletChart');
- var gEnter = wrapEnter.append('g');
- var g = wrap.select('g');
-
- gEnter.append('g').attr('class', 'nv-bulletWrap');
- gEnter.append('g').attr('class', 'nv-titles');
-
- wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
-
- //------------------------------------------------------------
-
-
- // Compute the new x-scale.
- var x1 = d3.scale.linear()
- .domain([0, Math.max(rangez[0], markerz[0], measurez[0])]) // TODO: need to allow forceX and forceY, and xDomain, yDomain
- .range(reverse ? [availableWidth, 0] : [0, availableWidth]);
-
- // Retrieve the old x-scale, if this is an update.
- var x0 = this.__chart__ || d3.scale.linear()
- .domain([0, Infinity])
- .range(x1.range());
-
- // Stash the new scale.
- this.__chart__ = x1;
-
- /*
- // Derive width-scales from the x-scales.
- var w0 = bulletWidth(x0),
- w1 = bulletWidth(x1);
-
- function bulletWidth(x) {
- var x0 = x(0);
- return function(d) {
- return Math.abs(x(d) - x(0));
- };
- }
-
- function bulletTranslate(x) {
- return function(d) {
- return 'translate(' + x(d) + ',0)';
- };
- }
- */
-
- var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
- w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
-
-
- var title = gEnter.select('.nv-titles').append('g')
- .attr('text-anchor', 'end')
- .attr('transform', 'translate(-6,' + (height - margin.top - margin.bottom) / 2 + ')');
- title.append('text')
- .attr('class', 'nv-title')
- .text(function(d) { return d.title; });
-
- title.append('text')
- .attr('class', 'nv-subtitle')
- .attr('dy', '1em')
- .text(function(d) { return d.subtitle; });
-
-
-
- bullet
- .width(availableWidth)
- .height(availableHeight)
-
- var bulletWrap = g.select('.nv-bulletWrap');
-
- d3.transition(bulletWrap).call(bullet);
-
-
-
- // Compute the tick format.
- var format = tickFormat || x1.tickFormat( availableWidth / 100 );
-
- // Update the tick groups.
- var tick = g.selectAll('g.nv-tick')
- .data(x1.ticks( availableWidth / 50 ), function(d) {
- return this.textContent || format(d);
- });
-
- // Initialize the ticks with the old scale, x0.
- var tickEnter = tick.enter().append('g')
- .attr('class', 'nv-tick')
- .attr('transform', function(d) { return 'translate(' + x0(d) + ',0)' })
- .style('opacity', 1e-6);
-
- tickEnter.append('line')
- .attr('y1', availableHeight)
- .attr('y2', availableHeight * 7 / 6);
-
- tickEnter.append('text')
- .attr('text-anchor', 'middle')
- .attr('dy', '1em')
- .attr('y', availableHeight * 7 / 6)
- .text(format);
-
-
- // Transition the updating ticks to the new scale, x1.
- var tickUpdate = d3.transition(tick)
- .attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
- .style('opacity', 1);
-
- tickUpdate.select('line')
- .attr('y1', availableHeight)
- .attr('y2', availableHeight * 7 / 6);
-
- tickUpdate.select('text')
- .attr('y', availableHeight * 7 / 6);
-
- // Transition the exiting ticks to the new scale, x1.
- d3.transition(tick.exit())
- .attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
- .style('opacity', 1e-6)
- .remove();
-
-
- //============================================================
- // Event Handling/Dispatching (in chart's scope)
- //------------------------------------------------------------
-
- dispatch.on('tooltipShow', function(e) {
- e.key = d.title;
- if (tooltips) showTooltip(e, that.parentNode);
- });
-
- //============================================================
-
- });
-
- d3.timer.flush();
-
- return chart;
- }
-
-
- //============================================================
- // Event Handling/Dispatching (out of chart's scope)
- //------------------------------------------------------------
-
- bullet.dispatch.on('elementMouseover.tooltip', function(e) {
- dispatch.tooltipShow(e);
- });
-
- bullet.dispatch.on('elementMouseout.tooltip', function(e) {
- dispatch.tooltipHide(e);
- });
-
- dispatch.on('tooltipHide', function() {
- if (tooltips) nv.tooltip.cleanup();
- });
-
- //============================================================
-
-
- //============================================================
- // Expose Public Variables
- //------------------------------------------------------------
-
- chart.dispatch = dispatch;
- chart.bullet = bullet;
-
- d3.rebind(chart, bullet, 'color');
-
- chart.options = nv.utils.optionsFunc.bind(chart);
-
- // left, right, top, bottom
- chart.orient = function(x) {
- if (!arguments.length) return orient;
- orient = x;
- reverse = orient == 'right' || orient == 'bottom';
- return chart;
- };
-
- // ranges (bad, satisfactory, good)
- chart.ranges = function(x) {
- if (!arguments.length) return ranges;
- ranges = x;
- return chart;
- };
-
- // markers (previous, goal)
- chart.markers = function(x) {
- if (!arguments.length) return markers;
- markers = x;
- return chart;
- };
-
- // measures (actual, forecast)
- chart.measures = function(x) {
- if (!arguments.length) return measures;
- measures = x;
- return chart;
- };
-
- chart.width = function(x) {
- if (!arguments.length) return width;
- width = x;
- return chart;
- };
-
- chart.height = function(x) {
- if (!arguments.length) return height;
- height = x;
- 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.tickFormat = function(x) {
- if (!arguments.length) return tickFormat;
- tickFormat = x;
- 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;
-};
-
-
Code Review / policy / engine.git / blobdiff