Added lineChartDaily example, and modified line and lineWithLegend models to feed getX and getY x,i not just i
Bob Monteverde
12 years ago
parent
4737ead469
commit
83d56ef755
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// This is an attempt to make an extremely easy to use chart that is ready to go,
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// basically the chart models with the extra glue... Queuing, tooltips, automatic resize, etc.
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// I may make these more specific, like 'time series line with month end data points', etc.
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// or may make yet another layer of abstraction... common settings.
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nv.charts.lineChartDaily = function() {
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var selector = null,
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data = [],
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duration = 500,
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tooltip = function(key, x, y, e, graph) {
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return '<h3>' + key + '</h3>' +
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'<p>' + y + ' at ' + x + '</p>'
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};
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var graph = nv.models.lineWithLegend()
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.x(function(d,i) { return i }),
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showTooltip = function(e) {
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var offset = $(selector).offset(),
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left = e.pos[0] + offset.left,
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top = e.pos[1] + offset.top,
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formatX = graph.xAxis.tickFormat(),
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formatY = graph.yAxis.tickFormat(),
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x = formatX(graph.x()(e, e.pointIndex)),
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//x = formatX(graph.x()(e.point)),
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y = formatY(graph.y()(e.point)),
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content = tooltip(e.series.key, x, y, e, graph);
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nvtooltip.show([left, top], content);
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};
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//setting component defaults
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//graph.xAxis.tickFormat(d3.format(',r'));
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graph.xAxis.tickFormat(function(d) {
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//return d3.time.format('%x')(new Date(d))
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return d3.time.format('%x')(new Date(data[0].values[d].x))
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});
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//graph.yAxis.tickFormat(d3.format(',.2f'));
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graph.yAxis.tickFormat(d3.format(',.2%'));
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//TODO: consider a method more similar to how the models are built
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function chart() {
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if (!selector || !data.length) return chart; //do nothing if you have nothing to work with
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d3.select(selector).select('svg')
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.datum(data)
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.transition().duration(duration).call(graph); //consider using transition chaining like in the models
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return chart;
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}
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// This should always only be called once, then update should be used after,
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// in which case should consider the 'd3 way' and merge this with update,
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// but simply do this on enter... should try anoter example that way
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chart.build = function() {
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if (!selector || !data.length) return chart; //do nothing if you have nothing to work with
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nv.addGraph({
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generate: function() {
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var container = d3.select(selector),
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width = function() { return parseInt(container.style('width')) },
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height = function() { return parseInt(container.style('height')) },
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svg = container.append('svg');
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graph
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.width(width)
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.height(height);
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svg
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.attr('width', width())
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.attr('height', height())
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.datum(data)
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.transition().duration(duration).call(graph);
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return graph;
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},
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callback: function(graph) {
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graph.dispatch.on('tooltipShow', showTooltip);
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graph.dispatch.on('tooltipHide', nvtooltip.cleanup);
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//TODO: create resize queue and have nv core handle resize instead of binding all to window resize
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$(window).resize(function() {
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// now that width and height are functions, should be automatic..of course you can always override them
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d3.select(selector + ' svg')
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.attr('width', graph.width()()) //need to set SVG dimensions, chart is not aware of the SVG component
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.attr('height', graph.height()())
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.call(graph);
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});
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}
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});
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return chart;
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};
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/*
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// moved to chart()
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chart.update = function() {
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if (!selector || !data.length) return chart; //do nothing if you have nothing to work with
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d3.select(selector).select('svg')
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.datum(data)
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.transition().duration(duration).call(graph);
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return chart;
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};
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*/
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chart.data = function(_) {
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if (!arguments.length) return data;
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data = _;
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return chart;
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};
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chart.selector = function(_) {
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if (!arguments.length) return selector;
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selector = _;
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return chart;
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};
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chart.duration = function(_) {
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if (!arguments.length) return duration;
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duration = _;
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return chart;
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};
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chart.tooltip = function(_) {
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if (!arguments.length) return tooltip;
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tooltip = _;
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return chart;
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};
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chart.xTickFormat = function(_) {
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if (!arguments.length) return graph.xAxis.tickFormat();
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graph.xAxis.tickFormat(typeof _ === 'function' ? _ : d3.format(_));
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return chart;
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};
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chart.yTickFormat = function(_) {
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if (!arguments.length) return graph.yAxis.tickFormat();
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graph.yAxis.tickFormat(typeof _ === 'function' ? _ : d3.format(_));
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return chart;
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};
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chart.xAxisLabel = function(_) {
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if (!arguments.length) return graph.xAxis.axisLabel();
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graph.xAxis.axisLabel(_);
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return chart;
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};
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chart.yAxisLabel = function(_) {
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if (!arguments.length) return graph.yAxis.axisLabel();
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graph.yAxis.axisLabel(_);
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return chart;
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};
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d3.rebind(chart, graph, 'x', 'y');
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chart.graph = graph; // Give direct access for getter/setters, and dispatchers
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return chart;
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};
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