glenux-contrib/metamaps--metamaps
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[Feature] Expand current selection to include neighbors by pressing CTRL+SHIFT+UP (#1090)

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* Expand current selection to include neighbors by pressing CTRL+SHIFT+UP

* minor fixes as requested
This commit is contained in:
Robert Best 2017-03-10 15:22:30 -08:00 • committed by GitHub
parent 1124d76475
commit 33276444c7
3 changed files with 43 additions and 23 deletions
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15
frontend/src/Metamaps/Control.js
View file

@ -20,6 +20,21 @@ const Control = {
node.setData('dim', 30, 'current') node.setData('dim', 30, 'current')
Selected.Nodes.push(node) Selected.Nodes.push(node)
}, },
selectNeighbors: function() {
if (Selected.Nodes.length > 0) {
//For each selected node, select all connected node and the synapses too
Selected.Nodes.forEach((item) => {
if (Visualize.mGraph.graph.getNode(item.id).adjacencies) {
for (const adjID in Visualize.mGraph.graph.getNode(item.id).adjacencies) {
Control.selectNode(Visualize.mGraph.graph.getNode(adjID))
Control.selectEdge(Visualize.mGraph.graph.getNode(item.id).adjacencies[adjID])
}
}
})
Visualize.mGraph.plot()
}
},
deselectAllNodes: function() { deselectAllNodes: function() {
var l = Selected.Nodes.length var l = Selected.Nodes.length
for (var i = l - 1; i >= 0; i -= 1) { for (var i = l - 1; i >= 0; i -= 1) {

7
frontend/src/Metamaps/Listeners.js
View file

@ -31,8 +31,13 @@ const Listeners = {
case 27: // if esc key is pressed case 27: // if esc key is pressed
JIT.escKeyHandler() JIT.escKeyHandler()
break break
case 38: // if UP key is pressed
if ((e.ctrlKey || e.metaKey) && e.shiftKey){
Control.selectNeighbors()
}
break
case 46: // if DEL is pressed case 46: // if DEL is pressed
if(e.target.tagName !== "INPUT" && e.target.tagName !== "TEXTAREA" && (Selected.Nodes.length + Selected.Edges.length) > 0){ if (e.target.tagName !== 'INPUT' && e.target.tagName !== 'TEXTAREA' && (Selected.Nodes.length + Selected.Edges.length) > 0) {
e.preventDefault() e.preventDefault()
Control.removeSelectedNodes() Control.removeSelectedNodes()
Control.removeSelectedEdges() Control.removeSelectedEdges()

14
frontend/src/Metamaps/Util.js
View file

@ -208,14 +208,14 @@ const Util = {
ox = graph.canvas.translateOffsetX, ox = graph.canvas.translateOffsetX,
oy = graph.canvas.translateOffsetY, oy = graph.canvas.translateOffsetY,
sx = graph.canvas.scaleOffsetX, sx = graph.canvas.scaleOffsetX,
sy = graph.canvas.scaleOffsetY; sy = graph.canvas.scaleOffsetY
var pointerCoordX = (zoomPoint.x - p.x - s.width / 2 - ox) * (1 / sx), var pointerCoordX = (zoomPoint.x - p.x - s.width / 2 - ox) * (1 / sx),
pointerCoordY = (zoomPoint.y - p.y - s.height / 2 - oy) * (1 / sy); pointerCoordY = (zoomPoint.y - p.y - s.height / 2 - oy) * (1 / sy)
// This translates the canvas to be centred over the zoomPoint, then the canvas is zoomed as intended. // This translates the canvas to be centred over the zoomPoint, then the canvas is zoomed as intended.
graph.canvas.translate(-pointerCoordX,-pointerCoordY); graph.canvas.translate(-pointerCoordX, -pointerCoordY)
graph.canvas.scale(ans, ans); graph.canvas.scale(ans, ans)
// Get the canvas attributes again now that is has changed // Get the canvas attributes again now that is has changed
s = graph.canvas.getSize(), s = graph.canvas.getSize(),
@ -223,12 +223,12 @@ const Util = {
ox = graph.canvas.translateOffsetX, ox = graph.canvas.translateOffsetX,
oy = graph.canvas.translateOffsetY, oy = graph.canvas.translateOffsetY,
sx = graph.canvas.scaleOffsetX, sx = graph.canvas.scaleOffsetX,
sy = graph.canvas.scaleOffsetY; sy = graph.canvas.scaleOffsetY
var newX = (zoomPoint.x - p.x - s.width / 2 - ox) * (1 / sx), var newX = (zoomPoint.x - p.x - s.width / 2 - ox) * (1 / sx),
newY = (zoomPoint.y - p.y - s.height / 2 - oy) * (1 / sy); newY = (zoomPoint.y - p.y - s.height / 2 - oy) * (1 / sy)
// Translate the canvas to put the pointer back over top the same coordinate it was over before // Translate the canvas to put the pointer back over top the same coordinate it was over before
graph.canvas.translate(newX-pointerCoordX,newY-pointerCoordY); graph.canvas.translate(newX - pointerCoordX, newY - pointerCoordY)
} }
} }