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+// Licensed to Cloudera, Inc. under one
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+// or more contributor license agreements. See the NOTICE file
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+// distributed with this work for additional information
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+// regarding copyright ownership. Cloudera, Inc. licenses this file
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+// to you under the Apache License, Version 2.0 (the
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+// "License"); you may not use this file except in compliance
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+// with the License. You may obtain a copy of the License at
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+//
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+// http://www.apache.org/licenses/LICENSE-2.0
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+//
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+// Unless required by applicable law or agreed to in writing, software
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+// distributed under the License is distributed on an "AS IS" BASIS,
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+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+// See the License for the specific language governing permissions and
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+// limitations under the License.
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+
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+
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+nv.models.lineWithBrushChart = function() {
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+ "use strict";
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+ //============================================================
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+ // Public Variables with Default Settings
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+ //------------------------------------------------------------
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+
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+ var lines = nv.models.line()
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+ , xAxis = nv.models.axis()
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+ , yAxis = nv.models.axis()
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+ , legend = nv.models.legend()
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+ , interactiveLayer = nv.interactiveGuideline()
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+ , brush = d3.svg.brush()
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+ ;
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+
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+ var margin = {top: 30, right: 20, bottom: 50, left: 60}
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+ , color = nv.utils.defaultColor()
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+ , width = null
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+ , height = null
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+ , showLegend = true
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+ , showXAxis = true
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+ , showYAxis = true
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+ , rightAlignYAxis = false
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+ , useInteractiveGuideline = false
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+ , tooltips = true
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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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+ , x
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+ , y
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+ , state = {}
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+ , defaultState = null
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+ , noData = 'No Data Available.'
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+ , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'brush')
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+ , transitionDuration = 250
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+ , extent
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+ , brushExtent = null
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+ , selectionEnabled = false
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+ , onSelectRange = null
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+ ;
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+
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+ xAxis
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+ .orient('bottom')
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+ .tickPadding(7)
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+ ;
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+ yAxis
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+ .orient((rightAlignYAxis) ? 'right' : 'left')
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+ ;
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+
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+ //============================================================
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+
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+
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+ //============================================================
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+ // Private Variables
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+ //------------------------------------------------------------
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+
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+ var showTooltip = function(e, offsetElement) {
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+ var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
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+ top = e.pos[1] + ( offsetElement.offsetTop || 0),
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+ x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
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+ y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
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+ content = tooltip(e.series.key, x, y, e, chart);
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+
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+ nv.tooltip.show([left, top], content, null, null, offsetElement);
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+ };
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+
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+ //============================================================
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+
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+
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+ function chart(selection) {
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+ selection.each(function(data) {
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+ var container = d3.select(this),
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+ that = this;
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+
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+ var availableWidth = (width || parseInt(container.style('width')) || 960)
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+ - margin.left - margin.right,
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+ availableHeight = (height || parseInt(container.style('height')) || 400)
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+ - margin.top - margin.bottom;
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+
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+
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+ chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
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+ chart.container = this;
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+
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+ //set state.disabled
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+ state.disabled = data.map(function(d) { return !!d.disabled });
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+
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+
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+ if (!defaultState) {
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+ var key;
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+ defaultState = {};
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+ for (key in state) {
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+ if (state[key] instanceof Array)
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+ defaultState[key] = state[key].slice(0);
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+ else
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+ defaultState[key] = state[key];
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+ }
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+ }
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+
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+ //------------------------------------------------------------
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+ // Display noData message if there's nothing to show.
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+
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+ if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
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+ var noDataText = container.selectAll('.nv-noData').data([noData]);
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+
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+ noDataText.enter().append('text')
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+ .attr('class', 'nvd3 nv-noData')
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+ .attr('dy', '-.7em')
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+ .style('text-anchor', 'middle');
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+
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+ noDataText
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+ .attr('x', margin.left + availableWidth / 2)
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+ .attr('y', margin.top + availableHeight / 2)
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+ .text(function(d) { return d });
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+
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+ return chart;
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+ } else {
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+ container.selectAll('.nv-noData').remove();
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+ }
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+
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+ //------------------------------------------------------------
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+
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+
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+ //------------------------------------------------------------
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+ // Setup Scales
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+
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+ x = lines.xScale();
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+ y = lines.yScale();
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+
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+ //------------------------------------------------------------
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+
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+
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+ //------------------------------------------------------------
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+ // Setup containers and skeleton of chart
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+
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+ var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
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+ var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
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+ var g = wrap.select('g');
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+
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+ gEnter.append("rect").style("opacity",0);
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+ gEnter.append('g').attr('class', 'nv-x nv-axis');
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+ gEnter.append('g').attr('class', 'nv-y nv-axis');
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+ gEnter.append('g').attr('class', 'nv-linesWrap');
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+ gEnter.append('g').attr('class', 'nv-legendWrap');
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+ gEnter.append('g').attr('class', 'nv-interactive');
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+ if (selectionEnabled){
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+ gEnter.append('g').attr('class', 'nv-brushBackground');
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+ gEnter.append('g').attr('class', 'nv-x nv-brush');
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+ }
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+
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+ g.select("rect")
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+ .attr("width",availableWidth)
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+ .attr("height",(availableHeight > 0) ? availableHeight : 0);
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+ //------------------------------------------------------------
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+ // Legend
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+
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+ if (showLegend) {
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+ legend.width(availableWidth);
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+
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+ g.select('.nv-legendWrap')
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+ .datum(data)
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+ .call(legend);
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+
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+ if ( margin.top != legend.height()) {
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+ margin.top = legend.height();
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+ availableHeight = (height || parseInt(container.style('height')) || 400)
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+ - margin.top - margin.bottom;
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+ }
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+
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+ wrap.select('.nv-legendWrap')
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+ .attr('transform', 'translate(0,' + (-margin.top) +')')
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+ }
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+
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+ //------------------------------------------------------------
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+
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+ wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
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+
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+ if (rightAlignYAxis) {
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+ g.select(".nv-y.nv-axis")
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+ .attr("transform", "translate(" + availableWidth + ",0)");
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+ }
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+
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+ //------------------------------------------------------------
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+ // Main Chart Component(s)
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+
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+
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+ //------------------------------------------------------------
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+ //Set up interactive layer
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+ if (useInteractiveGuideline) {
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+ interactiveLayer
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+ .width(availableWidth)
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+ .height(availableHeight)
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+ .margin({left:margin.left, top:margin.top})
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+ .svgContainer(container)
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+ .xScale(x);
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+ wrap.select(".nv-interactive").call(interactiveLayer);
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+ }
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+
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+
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+ lines
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+ .width(availableWidth)
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+ .height(availableHeight)
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+ .color(data.map(function(d,i) {
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+ return d.color || color(d, i);
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+ }).filter(function(d,i) { return !data[i].disabled }));
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+
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+
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+ var linesWrap = g.select('.nv-linesWrap')
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+ .datum(data.filter(function(d) { return !d.disabled }))
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+
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+ linesWrap.transition().call(lines);
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+
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+ //------------------------------------------------------------
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+
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+ //------------------------------------------------------------
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+ // Setup Brush
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+ if (selectionEnabled){
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+ brush
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+ .x(x)
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+ .on('brush', onBrush)
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+ .on('brushend', onBrushEnd)
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+
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+ if (brushExtent) brush.extent(brushExtent);
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+ var brushBG = g.select('.nv-brushBackground').selectAll('g')
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+ .data([brushExtent || brush.extent()])
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+ var brushBGenter = brushBG.enter()
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+ .append('g');
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+
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+ brushBGenter.append('rect')
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+ .attr('class', 'left')
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+ .attr('x', 0)
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+ .attr('y', 0)
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+ .attr('height', availableHeight);
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+
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+ brushBGenter.append('rect')
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+ .attr('class', 'right')
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+ .attr('x', 0)
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+ .attr('y', 0)
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+ .attr('height', availableHeight);
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+
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+ var gBrush = g.select('.nv-x.nv-brush')
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+ .call(brush);
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+ gBrush.selectAll('rect')
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+ .attr('height', availableHeight);
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+ }
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+
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+
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+ //------------------------------------------------------------
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+ // Setup Axes
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+
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+ if (showXAxis) {
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+ xAxis
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+ .scale(x)
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+ .ticks( availableWidth / 100 )
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+ .tickSize(-availableHeight, 0);
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+
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+ g.select('.nv-x.nv-axis')
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+ .attr('transform', 'translate(0,' + y.range()[0] + ')');
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+ g.select('.nv-x.nv-axis')
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+ .transition()
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+ .call(xAxis);
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+ }
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+
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+ if (showYAxis) {
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+ yAxis
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+ .scale(y)
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+ .ticks( availableHeight / 36 )
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+ .tickSize( -availableWidth, 0);
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+
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+ g.select('.nv-y.nv-axis')
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+ .transition()
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+ .call(yAxis);
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+ }
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+ //------------------------------------------------------------
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+
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+
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+ //============================================================
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+ // Event Handling/Dispatching (in chart's scope)
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+ //------------------------------------------------------------
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+
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+ legend.dispatch.on('stateChange', function(newState) {
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+ state = newState;
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+ dispatch.stateChange(state);
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+ chart.update();
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+ });
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+
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+ interactiveLayer.dispatch.on('elementMousemove', function(e) {
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+ lines.clearHighlights();
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+ var singlePoint, pointIndex, pointXLocation, allData = [];
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+ data
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+ .filter(function(series, i) {
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+ series.seriesIndex = i;
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+ return !series.disabled;
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+ })
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+ .forEach(function(series,i) {
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+ pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
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+ lines.highlightPoint(i, pointIndex, true);
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+ var point = series.values[pointIndex];
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+ if (typeof point === 'undefined') return;
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+ if (typeof singlePoint === 'undefined') singlePoint = point;
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+ if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
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+ allData.push({
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+ key: series.key,
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+ value: chart.y()(point, pointIndex),
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+ color: color(series,series.seriesIndex)
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+ });
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+ });
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+ //Highlight the tooltip entry based on which point the mouse is closest to.
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+ if (allData.length > 2) {
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+ var yValue = chart.yScale().invert(e.mouseY);
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+ var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
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+ var threshold = 0.03 * domainExtent;
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+ var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value}),yValue,threshold);
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+ if (indexToHighlight !== null)
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+ allData[indexToHighlight].highlight = true;
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+ }
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+
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+ var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex));
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+ interactiveLayer.tooltip
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+ .position({left: pointXLocation + margin.left, top: e.mouseY + margin.top})
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+ .chartContainer(that.parentNode)
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+ .enabled(tooltips)
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+ .valueFormatter(function(d,i) {
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+ return yAxis.tickFormat()(d);
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+ })
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+ .data(
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+ {
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+ value: xValue,
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+ series: allData
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+ }
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+ )();
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+
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+ interactiveLayer.renderGuideLine(pointXLocation);
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+
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+ });
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+
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+ interactiveLayer.dispatch.on("elementMouseout",function(e) {
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+ dispatch.tooltipHide();
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+ lines.clearHighlights();
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+ });
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+
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+ dispatch.on('tooltipShow', function(e) {
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+ if (tooltips) showTooltip(e, that.parentNode);
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+ });
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+
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+
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+ dispatch.on('changeState', function(e) {
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+
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+ if (typeof e.disabled !== 'undefined' && data.length === e.disabled.length) {
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+ data.forEach(function(series,i) {
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+ series.disabled = e.disabled[i];
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+ });
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+
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+ state.disabled = e.disabled;
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+ }
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+
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+ chart.update();
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+ });
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+
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+ //============================================================
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+
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+ function onBrush(){
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+ brushExtent = brush.empty() ? null : brush.extent();
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+ extent = brush.empty() ? x.domain() : brush.extent();
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+
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+ dispatch.brush({extent: extent, brush: brush});
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+ }
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+
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+ function onBrushEnd(){
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+ brushExtent = brush.empty() ? null : brush.extent();
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+ extent = brush.empty() ? x.domain() : brush.extent();
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+
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+ if (onSelectRange != null){
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+ var _leftEdges = x.range();
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+ var _width = x.rangeBand();
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+ var _j;
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+ for(_j=0; extent[0] > (_leftEdges[_j] + _width); _j++) {}
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+ var _from = typeof x.domain()[_j] != "undefined" ? x.domain()[_j] : x.domain()[0];
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+
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+ for(_j=0; extent[1] > (_leftEdges[_j] + _width); _j++) {}
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+ var _to = typeof x.domain()[_j] != "undefined" ? x.domain()[_j] : x.domain()[x.domain().length-1];
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+
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+ onSelectRange(_from, _to);
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+ }
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+ }
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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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+
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+ //============================================================
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+ // Event Handling/Dispatching (out of chart's scope)
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+ //------------------------------------------------------------
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+
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+ lines.dispatch.on('elementMouseover.tooltip', function(e) {
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+ e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
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+ dispatch.tooltipShow(e);
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+ });
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+
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+ lines.dispatch.on('elementMouseout.tooltip', function(e) {
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+ dispatch.tooltipHide(e);
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+ });
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+
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+ dispatch.on('tooltipHide', function() {
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+ if (tooltips) nv.tooltip.cleanup();
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+ });
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+
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+ //============================================================
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+
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+
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+ //============================================================
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+ // Expose Public Variables
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+ //------------------------------------------------------------
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+
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+ // expose chart's sub-components
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+ chart.dispatch = dispatch;
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+ chart.lines = lines;
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+ chart.legend = legend;
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+ chart.xAxis = xAxis;
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+ chart.yAxis = yAxis;
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+ chart.interactiveLayer = interactiveLayer;
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+
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+ d3.rebind(chart, lines, 'defined', 'isArea', 'x', 'y', 'size', 'xScale', 'yScale', 'xDomain', 'yDomain', 'xRange', 'yRange'
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+ , 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'useVoronoi','id', 'interpolate');
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+
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+ chart.options = nv.utils.optionsFunc.bind(chart);
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+
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+ chart.margin = function(_) {
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+ if (!arguments.length) return margin;
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+ margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
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+ margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
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+ margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
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+ margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
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+ return chart;
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+ };
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+
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+ chart.width = function(_) {
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+ if (!arguments.length) return width;
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+ width = _;
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+ return chart;
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+ };
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+
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+ chart.height = function(_) {
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+ if (!arguments.length) return height;
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+ height = _;
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+ return chart;
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+ };
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+
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+ chart.color = function(_) {
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+ if (!arguments.length) return color;
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+ color = nv.utils.getColor(_);
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+ legend.color(color);
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+ return chart;
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+ };
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+
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+ chart.showLegend = function(_) {
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+ if (!arguments.length) return showLegend;
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+ showLegend = _;
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+ return chart;
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+ };
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+
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+ chart.showXAxis = function(_) {
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+ if (!arguments.length) return showXAxis;
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+ showXAxis = _;
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+ return chart;
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+ };
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+
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+ chart.showYAxis = function(_) {
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+ if (!arguments.length) return showYAxis;
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+ showYAxis = _;
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+ return chart;
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|
+ };
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+
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+ chart.rightAlignYAxis = function(_) {
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+ if(!arguments.length) return rightAlignYAxis;
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+ rightAlignYAxis = _;
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+ yAxis.orient( (_) ? 'right' : 'left');
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+ return chart;
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|
+ };
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+
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|
+ chart.useInteractiveGuideline = function(_) {
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+ if(!arguments.length) return useInteractiveGuideline;
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|
+ useInteractiveGuideline = _;
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+ if (_ === true) {
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|
+ chart.interactive(false);
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+ chart.useVoronoi(false);
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|
|
+ }
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+ return chart;
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|
|
+ };
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+
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|
|
+ chart.tooltips = function(_) {
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|
|
+ if (!arguments.length) return tooltips;
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|
+ tooltips = _;
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|
+ return chart;
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|
|
+ };
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|
+
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|
+ chart.tooltipContent = 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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|
|
+
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|
|
+ chart.state = function(_) {
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|
|
+ if (!arguments.length) return state;
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|
|
+ state = _;
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|
|
+ return chart;
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|
|
+ };
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|
|
+
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|
|
+ chart.defaultState = function(_) {
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|
|
+ if (!arguments.length) return defaultState;
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|
|
+ defaultState = _;
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|
|
+ return chart;
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|
|
+ };
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|
|
+
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|
|
+ chart.noData = function(_) {
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|
|
+ if (!arguments.length) return noData;
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|
|
+ noData = _;
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|
|
+ return chart;
|
|
|
+ };
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|
|
+
|
|
|
+ chart.transitionDuration = function(_) {
|
|
|
+ if (!arguments.length) return transitionDuration;
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|
|
+ transitionDuration = _;
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|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.enableSelection = function() {
|
|
|
+ selectionEnabled = true;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ chart.onSelectRange = function(_) {
|
|
|
+ if (!arguments.length) return onSelectRange;
|
|
|
+ onSelectRange = _;
|
|
|
+ return chart;
|
|
|
+ };
|
|
|
+
|
|
|
+ //============================================================
|
|
|
+
|
|
|
+
|
|
|
+ return chart;
|
|
|
+}
|