Select & delete edges

actions/pulse.js

@@ -16,6 +16,10 @@ module.exports = createActionCreators({
 		MOVE_SOURCE_OUTPUT: (sourceOutputIndex, destSourceIndex) => ({ sourceOutputIndex, destSourceIndex }),
 
 		KILL_CLIENT_BY_INDEX: clientIndex => ({ clientIndex }),
+
+		KILL_SINK_INPUT_BY_INDEX: sinkInputIndex => ({ sinkInputIndex }),
+		KILL_SOURCE_OUTPUT_BY_INDEX: sourceOutputIndex => ({ sourceOutputIndex }),
+
 		UNLOAD_MODULE_BY_INDEX: moduleIndex => ({ moduleIndex }),
 	},
 });

components/graph/base.js

@@ -101,7 +101,7 @@ class Edge extends EdgeBase {
 		});
 
 		return r.g({
-			className: 'edge-container',
+			className: 'edge-container ' + (this.props.className || ''),
 			'data-source': data.source,
 			'data-target': data.target,
 		}, [

components/graph/index.js

@@ -148,6 +148,19 @@ const Module = Client;
 
 const gridDotSize = 2;
 const gridSpacing = 36;
+
+const Marker = ({ id, d }) => r('marker', {
+	id,
+	viewBox: '0 -8 16 16',
+	refX: '16',
+	markerWidth: '16',
+	markerHeight: '16',
+	orient: 'auto',
+}, r.path({
+	className: 'arrow',
+	d,
+}));
+
 const renderDefs = () => r(React.Fragment, [
 	r.pattern({
 		id: 'background-pattern',
@@ -162,29 +175,26 @@ const renderDefs = () => r(React.Fragment, [
 		r: gridDotSize,
 	})),
 
-	r('marker', {
+	r(Marker, {
 		id: 'my-source-arrow',
-		viewBox: '0 -8 16 16',
-		refX: '16',
-		markerWidth: '16',
-		markerHeight: '16',
-		orient: 'auto',
-	}, r.path({
-		className: 'arrow',
 		d: 'M 16,-8 L 0,0 L 16,8',
-	})),
+	}),
 
-	r('marker', {
+	r(Marker, {
 		id: 'my-sink-arrow',
-		viewBox: '0 -8 16 16',
-		refX: '16',
-		markerWidth: '16',
-		markerHeight: '16',
-		orient: 'auto',
-	}, r.path({
-		className: 'arrow',
 		d: 'M 0,-8 L 16,0 L 0,8',
-	})),
+	}),
+
+	// WORKAROUND: `context-fill` did not work
+	r(Marker, {
+		id: 'my-source-arrow-selected',
+		d: 'M 16,-8 L 0,0 L 16,8',
+	}),
+
+	r(Marker, {
+		id: 'my-sink-arrow-selected',
+		d: 'M 0,-8 L 16,0 L 0,8',
+	}),
 ]);
 
 const renderNode = (nodeRef, data, key, selected, hovered) => r({
@@ -262,13 +272,12 @@ const renderNodeText = state => dgo => r('foreignObject', {
 	state,
 })));
 
-const afterRenderEdge = (id, element, edge, edgeContainer) => {
-	if (edge.type) {
-		edgeContainer.classList.add(edge.type);
-	}
-};
-
-const renderEdge = edgeProps => r(Edge, edgeProps);
+const renderEdge = props => r(Edge, {
+	classSet: {
+		[props.data.type]: true,
+	},
+	...props,
+});
 
 const renderEdgeText = state => ({ data, transform }) => r('foreignObject', {
 	transform,
@@ -361,7 +370,8 @@ class Graph extends React.Component {
 		}
 	}
 
-	onSelectEdge() {
+	onSelectEdge(selected) {
+		this.setState({ selected });
 	}
 
 	onCreateEdge() {
@@ -375,7 +385,12 @@ class Graph extends React.Component {
 		}
 	}
 
-	onDeleteEdge() {
+	onDeleteEdge(selected) {
+		if (selected.type === 'sinkInput') {
+			this.props.killSinkInputByIndex(selected.index);
+		} else if (selected.type === 'sourceOutput') {
+			this.props.killSourceOutputByIndex(selected.index);
+		}
 	}
 
 	render() {
@@ -488,7 +503,7 @@ class Graph extends React.Component {
 
 			showGraphControls: false,
 
-			edgeArrowSize: 128,
+			edgeArrowSize: 64,
 
 			backgroundFillId: '#background-pattern',
 
@@ -499,8 +514,6 @@ class Graph extends React.Component {
 
 			renderEdge,
 			renderEdgeText: renderEdgeText(this.props),
-
-			afterRenderEdge,
 		}));
 	}
 }

components/graph/satellites-graph.js

@@ -43,6 +43,8 @@ class GraphView extends React.Component {
 			onSwapEdge: this.onSwapEdge.bind(this),
 			onNodeMove: this.onNodeMove.bind(this),
 
+			onSelectEdge: this.onSelectEdge.bind(this),
+
 			renderNode: this.renderNode.bind(this),
 			renderNodeText: this.renderNodeText.bind(this),
 
@@ -96,6 +98,11 @@ class GraphView extends React.Component {
 		}
 	}
 
+	onSelectEdge(edge) {
+		const originalEdge = satelliteEdgeToOriginalEdge.get(edge);
+		this.props.onSelectEdge(originalEdge);
+	}
+
 	renderNode(nodeRef, dgo, key, selected, hovered) {
 		if (dgo.type !== 'satellite') {
 			return this.props.renderNode(nodeRef, dgo, key, selected, hovered);
@@ -127,6 +134,8 @@ class GraphView extends React.Component {
 			return satelliteNodes.concat(node);
 		}, this.props.nodes));
 
+		let { selected } = this.props;
+
 		const edges = flatten(values(mapObjIndexed((edges, target) => mapIndexed((edge, i) => {
 			const satelliteEdge = {
 				id: edge.id,
@@ -136,6 +145,11 @@ class GraphView extends React.Component {
 				index: edge.index,
 				type: edge.type,
 			};
+
+			if (edge === selected) {
+				selected = satelliteEdge;
+			}
+
 			satelliteEdgeToOriginalEdge.set(satelliteEdge, edge);
 			return satelliteEdge;
 		}, edges), edgesByTargetNodeKey)));
@@ -143,6 +157,8 @@ class GraphView extends React.Component {
 		return r(GraphViewBase, {
 			...this.props,
 
+			selected,
+
 			ref: this.graph,
 
 			nodes,
@@ -151,10 +167,12 @@ class GraphView extends React.Component {
 			onSwapEdge: this.onSwapEdge,
 			onNodeMove: this.onNodeMove,
 
+			onSelectEdge: this.onSelectEdge,
+
 			renderNode: this.renderNode,
 			renderNodeText: this.renderNodeText,
 
-			afterRenderEdge: this.afterRenderEdge,
+			afterRenderEdge: this.props.afterRenderEdge && this.afterRenderEdge,
 		});
 	}
 }

index.css

@@ -63,15 +63,27 @@ button:active {
 	color: var(--themeSelectedFgColor);
 }
 
+.view-wrapper .graph .edge.selected {
+	stroke: var(--themeSelectedBgColor);
+}
+
+#my-source-arrow-selected > .arrow, #my-sink-arrow-selected > .arrow {
+	fill: var(--themeSelectedBgColor);
+}
+
 .view-wrapper .sourceOutput .edge {
-	/* marker-end: none; */
-	/* marker-start: url(#start-arrow); */
 	marker-end: url(#my-source-arrow);
 }
+.view-wrapper .sourceOutput .edge.selected {
+	marker-end: url(#my-source-arrow-selected);
+}
 
 .view-wrapper .sinkInput .edge {
 	marker-end: url(#my-sink-arrow);
 }
+.view-wrapper .sinkInput .edge.selected {
+	marker-end: url(#my-sink-arrow-selected);
+}
 
 #edge-custom-container .edge {
 	marker-end: none;

store/pulse-middleware.js

@@ -109,10 +109,21 @@ module.exports = store => {
 			pa.moveSourceOutput(sourceOutputIndex, destSourceIndex, rethrow);
 			return state;
 		},
+
 		[pulseActions.killClientByIndex]: (state, { payload: { clientIndex } }) => {
 			pa.killClientByIndex(clientIndex, rethrow);
 			return state;
 		},
+
+		[pulseActions.killSinkInputByIndex]: (state, { payload: { sinkInputIndex } }) => {
+			pa.killSinkInputByIndex(sinkInputIndex, rethrow);
+			return state;
+		},
+		[pulseActions.killSourceOutputByIndex]: (state, { payload: { sourceOutputIndex } }) => {
+			pa.killSourceOutputByIndex(sourceOutputIndex, rethrow);
+			return state;
+		},
+
 		[pulseActions.unloadModuleByIndex]: (state, { payload: { moduleIndex } }) => {
 			pa.unloadModuleByIndex(moduleIndex, rethrow);
 			return state;