298 lines
10 KiB
JavaScript
298 lines
10 KiB
JavaScript
var BarChart = React.createClass({
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mixins: [ReactRouter.Navigation, ReactRouter.State, SVGChartMixin, ChartDataMixin],
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sorts: ['commits', 'delta'],
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numElements: 15,
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barHeight: 30,
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barMargin: 5,
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words: {
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values: { // Sort
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commits: "the number of commits",
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delta: "the delta between lines added and lines removed"
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},
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actions: { // Item-Sort
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"repo-commits": "made to",
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"repo-delta": "for",
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"team-commits": "made by the most active",
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"team-delta": "for the most active",
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"user-commits": "made by the most active",
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"user-delta": "for the most active"
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},
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items: { // Item
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repo: "repositories",
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team: "teams",
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user: "users"
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},
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whatHappened: { // Item-Target
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"user-repo": "working on",
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"team-repo": "working on",
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"team-org": "working on repositories of",
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"user-org": "working on repositories of",
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"repo-org": "that were most actively modified by the members of",
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"user-team": "working on repositories of the",
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"repo-team": "that were most actively modified by the members of the",
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"repo-user": "that were most actively modified by"
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},
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targetSuffix: { // Subject of current context
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repo: "repository",
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team: "team"
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},
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},
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getInitialState: function() {
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return {
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item: this.props.items[0],
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sort: 'commits',
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rawData: [],
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points: [],
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min: 0,
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max: 1
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};
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},
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componentDidMount: function() {
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this.calculateViewBoxWidth();
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window.addEventListener('resize', this.calculateViewBoxWidth);
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this.componentWillReceiveProps(this.props);
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},
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componentWillReceiveProps: function(newProps) {
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this.setState({
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item: (_.isEqual(newProps.items, this.props.items)
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? this.state.item
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: newProps.items[0]),
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state: 'newProps'
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}, this.fetchData);
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},
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shouldComponentUpdate: function(newProps, newState) {
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if (!newState.canvasWidth) {
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return false;
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}
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if (newState.state !== 'newPoints') {
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return false;
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}
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return true;
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},
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handleFilter: function(thing, i) {
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if (thing === 'item' && this.props.items[i] !== this.state.item) {
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this.setState({
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item: this.props.items[i],
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state: 'newProps'
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}, this.fetchData);
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} else if (thing === 'sort' && this.sorts[i] !== this.state.sort) {
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this.setState({
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sort: this.sorts[i],
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state: 'newProps'
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}, this.handleNewData);
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}
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},
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handleClick: function(point) {
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var params = {org: this.getParams().org};
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params[this.state.item] = point.item;
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this.transitionTo(this.state.item, params, this.getQuery());
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},
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handleNewData: function() {
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var min = 0, max = 1;
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var points = _.chain(this.state.rawData)
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.sort(function(a, b) {
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return Math.abs(b[this.state.sort]) - Math.abs(a[this.state.sort]);
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}.bind(this))
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.take(this.numElements)
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.value();
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for (var i = points.length; i < this.numElements; i++) {
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var point = {};
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point[this.state.sort] = 0;
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points.push(point);
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}
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this.setState({
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points: points,
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min: _.min(points, this.state.sort)[this.state.sort],
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max: _.max(points, this.state.sort)[this.state.sort],
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state: 'newPoints'
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});
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},
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height: function() {
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if (this.state.points.length === 0) {
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return 0;
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} else {
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return this.y(this.state.points.length) - this.barMargin;
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}
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},
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y: function(i) {
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return i*(this.barHeight + this.barMargin);
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},
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render: function() {
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var words = this.words,
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target = (this.getParams().repo ? 'repo'
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: this.getParams().team ? 'team'
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: this.getParams().user ? 'user'
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: 'org');
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subject = this.getParams()[target];
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return (
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<div className="barchart-container">
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<div className="whatsgoingon">
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This bar chart shows <em>{words.values[this.state.sort]}</em> {words.actions[this.state.item +'-'+ this.state.sort]} <em>{words.items[this.state.item]}</em> {words.whatHappened[this.state.item +'-'+ target]} <em>{subject}</em> {words.targetSuffix[target]} <WeekIntervalSelector />
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</div>
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<div className="filters">
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<Selector thing="sort"
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title="Show"
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items={this.sorts}
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value={this.state.sort}
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onChange={this.handleFilter.bind(this, 'sort')} />
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<Selector thing="item"
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title="Grouped by"
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items={this.props.items}
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value={this.state.item}
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onChange={this.handleFilter.bind(this, 'item')} />
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</div>
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<svg ref="svg" className="barchart" key="barchart-svg"
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width="100%" height={this.height()}
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viewBox={"0 0 "+ (this.state.canvasWidth || 0) + " "+ this.height()}>
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{this.state.points.map(this.renderBar)}
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</svg>
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</div>
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);
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},
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renderBar: function(point, i) {
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var maxWidth = this.state.canvasWidth,
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val = point[this.state.sort],
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min = this.state.min,
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max = this.state.max,
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max2 = (min < 0 ? max - min : max),
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width = Math.floor(Math.abs(val)/max2*maxWidth),
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height = this.barHeight,
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offset = (min < 0 ? -min : 0)/max2*maxWidth,
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x = (min >= 0 ? 0 : offset - (val >= 0 ? 0 : width)),
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y = this.y(i);
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return (
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<Bar key={'bar-'+ i}
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item={point.item}
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value={val}
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color={Colors[i]}
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x={x}
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y={y}
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offset={offset}
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width={width}
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height={height}
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max={maxWidth}
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onClick={this.handleClick.bind(this, point)} />
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);
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}
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});
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var Bar = React.createClass({
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mixins: [ReactRouter.Navigation, ChartAnimationMixin],
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height: 30,
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labelPaddingH: 5, // Label horizontal padding
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labelPaddingV: 2, // Label vertical padding
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labelMarginV: 5, // Same as padding
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labelHeight: 16, // Text size
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labelOuterHeight: 20, // labelHeight + 2*labelPaddingV,
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getInitialState: function() {
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return {
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labelX: 0,
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lastLabelX: this.labelPaddingH
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};
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},
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componentDidMount: function() {
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this.calculateLabelPosition();
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},
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componentWillReceiveProps: function(newProps) {
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if (_.isEqual(this.props, newProps)) {
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return;
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}
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this.setState({
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lastBarX: (this.props.x !== undefined ? this.props.x : newProps.x),
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lastBarWidth: (this.props.width !== undefined ? this.props.width : newProps.width),
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lastLabelX: this.state.labelX
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}, this.calculateLabelPosition);
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},
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calculateLabelPosition: function() {
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var val = this.props.value,
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offset = this.props.offset,
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label = this.props.item + ': ' + formatNumber(val),
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labelWidth = textWidth(label),
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labelOffsetWidth = labelWidth + 2*this.labelPaddingH,
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labelX;
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if (offset === 0) {
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labelX = this.labelPaddingH;
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} else {
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if (val < 0) {
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if (offset >= labelOffsetWidth) {
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labelX = offset - labelOffsetWidth + this.labelPaddingH;
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} else {
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labelX = offset + this.labelPaddingH;
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}
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} else {
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if (offset + labelOffsetWidth <= this.props.max) {
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labelX = offset + this.labelPaddingH;
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} else {
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labelX = offset - labelOffsetWidth + this.labelPaddingH;
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}
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}
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}
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this.setState({
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labelX: labelX,
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barWidth: (this.props.item && this.props.width < 5 ? 5 : this.props.width)
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}, this.animateAll);
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},
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animateAll: function() {
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this.clearAnimations(this.refs.bar);
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this.clearAnimations(this.refs.label);
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this.animate(this.refs.bar, 'width', this.state.lastBarWidth, this.state.barWidth);
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this.animate(this.refs.bar, 'x', this.state.lastBarX, this.props.x);
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this.animate(this.refs.label, 'x', this.state.lastLabelX, this.state.labelX);
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},
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render: function() {
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var label = this.props.item ? (this.props.item + ': ' + formatNumber(this.props.value)) : '',
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labelWidth = textWidth(label),
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labelOuterWidth = (labelWidth == 0 ? 0 : labelWidth + 2*this.labelPaddingH),
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barX = (this.state.lastBarX && this.state.lastBarX !== this.props.x
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? this.state.lastBarX
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: this.props.x),
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barWidth = (this.state.lastBarWidth && this.state.lastBarWidth !== this.state.barWidth
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? this.state.lastBarWidth
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: this.state.barWidth);
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return (
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<g onClick={this.props.onClick}>
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<rect ref="bar" className="bar"
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fill={this.props.color}
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width={barWidth}
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height={this.props.height}
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x={barX}
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y={this.props.y}
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rx="2"
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ry="2" />
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<text ref="label" className="label"
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x={this.state.labelX}
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y={this.props.y + this.labelMarginV + this.labelHeight}>
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{label}
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</text>
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</g>
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);
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}
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});
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