transitive-js
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A tool for generating dynamic stylized transit maps that are easy to understand.
734 lines (720 loc) • 37.7 kB
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<title>Code coverage report for lib/renderer/default-renderer.js</title>
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<h1><a href="../../index.html">All files</a> / <a href="index.html">lib/renderer</a> default-renderer.js</h1>
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<div class='fl pad1y space-right2'>
<span class="strong">0% </span>
<span class="quiet">Statements</span>
<span class='fraction'>0/99</span>
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<span class="strong">0% </span>
<span class="quiet">Branches</span>
<span class='fraction'>0/34</span>
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<span class="strong">0% </span>
<span class="quiet">Functions</span>
<span class='fraction'>0/29</span>
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<span class="strong">0% </span>
<span class="quiet">Lines</span>
<span class='fraction'>0/85</span>
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<pre><table class="coverage">
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js"><span class="cstat-no" title="statement not covered" >import { forEach } from 'lodash'</span>
<span class="cstat-no" title="statement not covered" >import Renderer from './renderer'</span>
/**
* A Renderer subclass for the default network rendering engine.
*
* @param {Object} the main Transitive object
*/
<span class="cstat-no" title="statement not covered" >export default class D</span>efaultRenderer extends Renderer {
<span class="fstat-no" title="function not covered" > render(</span>) {
<span class="cstat-no" title="statement not covered" > super.render()</span>
const display = <span class="cstat-no" title="statement not covered" >this.transitive.display</span>
const network = <span class="cstat-no" title="statement not covered" >this.transitive.network</span>
<span class="cstat-no" title="statement not covered" > display.styler = this.transitive.styler</span>
// TODO: restore legend?
// Process vertices/points
const focusedPoints = <span class="cstat-no" title="statement not covered" >[]</span>
const unfocusedPoints = <span class="cstat-no" title="statement not covered" >[]</span>
<span class="cstat-no" title="statement not covered" > forEach(network.graph.vertices, <span class="fstat-no" title="function not covered" >(v</span>ertex) => {</span>
<span class="cstat-no" title="statement not covered" > vertex.point.clearRenderData()</span>
<span class="cstat-no" title="statement not covered" > if (!vertex.point.isFocused()) <span class="cstat-no" title="statement not covered" >unfocusedPoints.push(vertex.point)</span></span>
else <span class="cstat-no" title="statement not covered" >focusedPoints.push(vertex.point)</span>
})
<span class="cstat-no" title="statement not covered" > forEach(network.renderedEdges, <span class="fstat-no" title="function not covered" >(r</span>Edge) => {</span>
<span class="cstat-no" title="statement not covered" > rEdge.refreshRenderData(display)</span>
})
// Create arrays of focused, unfocused RenderedSegments
const focusedSegments = <span class="cstat-no" title="statement not covered" >[]</span>
const unfocusedSegments = <span class="cstat-no" title="statement not covered" >[]</span>
<span class="cstat-no" title="statement not covered" > forEach(network.paths, <span class="fstat-no" title="function not covered" >(p</span>ath) => {</span>
<span class="cstat-no" title="statement not covered" > forEach(path.segments, <span class="fstat-no" title="function not covered" >(p</span>athSegment) => {</span>
<span class="cstat-no" title="statement not covered" > forEach(pathSegment.renderedSegments, <span class="fstat-no" title="function not covered" >(r</span>enderedSegment) => {</span>
<span class="cstat-no" title="statement not covered" > if (renderedSegment.isFocused()) <span class="cstat-no" title="statement not covered" >focusedSegments.push(renderedSegment)</span></span>
else <span class="cstat-no" title="statement not covered" >unfocusedSegments.push(renderedSegment)</span>
})
})
})
// Render elements in the following order:
// 1. Unfocused segments
<span class="cstat-no" title="statement not covered" > unfocusedSegments.forEach(<span class="fstat-no" title="function not covered" >(r</span>s) => <span class="cstat-no" title="statement not covered" >rs.render(display))</span></span>
// 2. Unfocused points
<span class="cstat-no" title="statement not covered" > forEach(unfocusedPoints, <span class="fstat-no" title="function not covered" >(p</span>t) => <span class="cstat-no" title="statement not covered" >pt.render(display))</span></span>
// 3. Focused segments
<span class="cstat-no" title="statement not covered" > focusedSegments.forEach(<span class="fstat-no" title="function not covered" >(r</span>s) => <span class="cstat-no" title="statement not covered" >rs.render(display))</span></span>
// 4. Focused points
<span class="cstat-no" title="statement not covered" > forEach(focusedPoints, <span class="fstat-no" title="function not covered" >(p</span>t) => <span class="cstat-no" title="statement not covered" >pt.render(display))</span></span>
// TODO: draw the edge-based points
/* forEach(network.graph.edges, edge => {
forEach(edge.pointArray, point => {
point.render(display)
})
}) */
// 5. Labels
const labels = <span class="cstat-no" title="statement not covered" >this.transitive.labeler.doLayout()</span>
<span class="cstat-no" title="statement not covered" > forEach(labels.pointLabels, <span class="fstat-no" title="function not covered" >(l</span>abel) => <span class="cstat-no" title="statement not covered" >label.render(display))</span></span>
<span class="cstat-no" title="statement not covered" > forEach(labels.segmentLabels, <span class="fstat-no" title="function not covered" >(l</span>abel) => <span class="cstat-no" title="statement not covered" >label.render(display))</span></span>
// Keep internal collection of rendered segments
<span class="cstat-no" title="statement not covered" > this.renderedSegments = focusedSegments.concat(unfocusedSegments)</span>
}
<span class="fstat-no" title="function not covered" > refreshSegmentRenderData(</span>) {
<span class="cstat-no" title="statement not covered" > forEach(this.transitive.network.renderedEdges, <span class="fstat-no" title="function not covered" >(r</span>Edge) => {</span>
<span class="cstat-no" title="statement not covered" > rEdge.refreshRenderData(this.transitive.display)</span>
})
// try intersecting adjacent rendered edges to create a smooth transition
const isectKeys = <span class="cstat-no" title="statement not covered" >[] </span>// keep track of edge-edge intersections we've already computed
<span class="cstat-no" title="statement not covered" > forEach(this.transitive.network.paths, <span class="fstat-no" title="function not covered" >(p</span>ath) => {</span>
<span class="cstat-no" title="statement not covered" > forEach(path.segments, <span class="fstat-no" title="function not covered" >(p</span>athSegment) => {</span>
<span class="cstat-no" title="statement not covered" > forEach(pathSegment.renderedSegments, <span class="fstat-no" title="function not covered" >(r</span>Segment) => {</span>
<span class="cstat-no" title="statement not covered" > for (let s = <span class="cstat-no" title="statement not covered" >0;</span> s < rSegment.renderedEdges.length - 1; s++) {</span>
const rEdge1 = <span class="cstat-no" title="statement not covered" >rSegment.renderedEdges[s]</span>
const rEdge2 = <span class="cstat-no" title="statement not covered" >rSegment.renderedEdges[s + 1]</span>
const key = <span class="cstat-no" title="statement not covered" >rEdge1.getId() + '_' + rEdge2.getId()</span>
<span class="cstat-no" title="statement not covered" > if (isectKeys.indexOf(key) !== -1) <span class="cstat-no" title="statement not covered" >continue</span></span>
<span class="cstat-no" title="statement not covered" > if (rEdge1.graphEdge.isInternal && rEdge2.graphEdge.isInternal) {</span>
<span class="cstat-no" title="statement not covered" > rEdge1.intersect(rEdge2)</span>
}
<span class="cstat-no" title="statement not covered" > isectKeys.push(key)</span>
}
})
})
})
}
/**
* sortElements
*/
<span class="fstat-no" title="function not covered" > sortElements(</span>) {
<span class="cstat-no" title="statement not covered" > this.renderedSegments.sort(<span class="fstat-no" title="function not covered" >function (a</span>, b) {</span>
<span class="cstat-no" title="statement not covered" > return a.compareTo(b)</span>
})
const focusBaseZIndex = <span class="cstat-no" title="statement not covered" >100000</span>
<span class="cstat-no" title="statement not covered" > forEach(this.renderedSegments, <span class="fstat-no" title="function not covered" >(r</span>Segment, index) => {</span>
<span class="cstat-no" title="statement not covered" > rSegment.zIndex =</span>
index * 10 + (rSegment.isFocused() ? focusBaseZIndex : 0)
})
<span class="cstat-no" title="statement not covered" > forEach(this.transitive.network.graph.vertices, <span class="fstat-no" title="function not covered" >(v</span>ertex) => {</span>
const point = <span class="cstat-no" title="statement not covered" >vertex.point</span>
<span class="cstat-no" title="statement not covered" > point.zIndex = point.zIndex + (point.isFocused() ? focusBaseZIndex : 0)</span>
})
<span class="cstat-no" title="statement not covered" > this.transitive.display.svg</span>
.selectAll('.transitive-sortable')
.sort(<span class="fstat-no" title="function not covered" >function (a</span>, b) {
const aIndex =
<span class="cstat-no" title="statement not covered" > typeof a.getZIndex === 'function'</span>
? a.getZIndex()
: a.owner.getZIndex()
const bIndex =
<span class="cstat-no" title="statement not covered" > typeof b.getZIndex === 'function'</span>
? b.getZIndex()
: b.owner.getZIndex()
<span class="cstat-no" title="statement not covered" > return aIndex - bIndex</span>
})
}
/**
* focusPath
*/
<span class="fstat-no" title="function not covered" > focusPath(</span>path) {
let pathRenderedSegments = <span class="cstat-no" title="statement not covered" >[]</span>
const graph = <span class="cstat-no" title="statement not covered" >this.transitive.network.graph</span>
<span class="cstat-no" title="statement not covered" > if (path) {</span>
// if we're focusing a specific path
<span class="cstat-no" title="statement not covered" > pathRenderedSegments = path.getRenderedSegments()</span>
// un-focus all internal points
<span class="cstat-no" title="statement not covered" > forEach(graph.edges, <span class="fstat-no" title="function not covered" >(e</span>dge) => {</span>
<span class="cstat-no" title="statement not covered" > edge.pointArray.forEach(<span class="fstat-no" title="function not covered" >function (p</span>oint, i) {</span>
<span class="cstat-no" title="statement not covered" > point.setAllPatternsFocused(false)</span>
})
})
} else {
// if we're returning to 'all-focused' mode
// re-focus all internal points
<span class="cstat-no" title="statement not covered" > forEach(graph.edges, <span class="fstat-no" title="function not covered" >(e</span>dge) => {</span>
<span class="cstat-no" title="statement not covered" > forEach(edge.pointArray, <span class="fstat-no" title="function not covered" >(p</span>oint, i) => {</span>
<span class="cstat-no" title="statement not covered" > point.setAllPatternsFocused(true)</span>
})
})
}
// Keep track of changed segments / points for transition animation (currently disabled)
const focusChangeSegments = <span class="cstat-no" title="statement not covered" >[]</span>
const focusedVertexPoints = <span class="cstat-no" title="statement not covered" >[]</span>
<span class="cstat-no" title="statement not covered" > forEach(this.renderedSegments, <span class="fstat-no" title="function not covered" >(r</span>Segment) => {</span>
<span class="cstat-no" title="statement not covered" > if (path && pathRenderedSegments.indexOf(rSegment) === -1) {</span>
<span class="cstat-no" title="statement not covered" > if (rSegment.isFocused()) <span class="cstat-no" title="statement not covered" >focusChangeSegments.push(rSegment)</span></span>
<span class="cstat-no" title="statement not covered" > rSegment.setFocused(false)</span>
} else {
<span class="cstat-no" title="statement not covered" > if (!rSegment.isFocused()) <span class="cstat-no" title="statement not covered" >focusChangeSegments.push(rSegment)</span></span>
<span class="cstat-no" title="statement not covered" > rSegment.setFocused(true)</span>
<span class="cstat-no" title="statement not covered" > focusedVertexPoints.push(rSegment.pathSegment.startVertex().point)</span>
<span class="cstat-no" title="statement not covered" > focusedVertexPoints.push(rSegment.pathSegment.endVertex().point)</span>
}
})
const focusChangePoints = <span class="cstat-no" title="statement not covered" >[]</span>
<span class="cstat-no" title="statement not covered" > forEach(graph.vertices, <span class="fstat-no" title="function not covered" >(v</span>ertex) => {</span>
const point = <span class="cstat-no" title="statement not covered" >vertex.point</span>
<span class="cstat-no" title="statement not covered" > if (focusedVertexPoints.indexOf(point) !== -1) {</span>
<span class="cstat-no" title="statement not covered" > if (!point.isFocused()) <span class="cstat-no" title="statement not covered" >focusChangePoints.push(point)</span></span>
<span class="cstat-no" title="statement not covered" > point.setFocused(true)</span>
} else {
<span class="cstat-no" title="statement not covered" > if (point.isFocused()) <span class="cstat-no" title="statement not covered" >focusChangePoints.push(point)</span></span>
<span class="cstat-no" title="statement not covered" > point.setFocused(false)</span>
}
})
// bring the focused elements to the front for the transition
// if (path) this.sortElements();
// TODO: restore transitions
/*
// create a transition callback function that invokes refresh() after all transitions complete
var n = 0
var refreshOnEnd = (transition, callback) => {
transition
.each(() => { ++n })
.on('end', () => { if (!--n) this.transitive.refresh() })
}
// run the transitions on the affected elements
forEach(focusChangeSegments, segment => {
segment.runFocusTransition(this.transitive.display, refreshOnEnd)
})
forEach(focusChangePoints, point => {
point.runFocusTransition(this.transitive.display, refreshOnEnd)
})
*/
<span class="cstat-no" title="statement not covered" > this.transitive.render()</span>
}
}
</pre></td></tr></table></pre>
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