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Merge pull request #699 from metamaps/feature/arrow-keys-pan

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arrow key panning - fixes #239
This commit is contained in:
Devin Howard 2016-10-02 00:13:16 +08:00 committed by GitHub
parent 77d353464b ca981898d4
commit 05c1e4c60d
1 changed files with 12 additions and 0 deletions
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12
frontend/src/Metamaps/Listeners.js
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@ -24,6 +24,18 @@ const Listeners = {
case 27: // if esc key is pressed
JIT.escKeyHandler()
break
case 37: // if Left arrow key is pressed
Visualize.mGraph.canvas.translate(-20, 0)
break
case 38: // if Up arrow key is pressed
Visualize.mGraph.canvas.translate(0, -20)
break
case 39: // if Right arrow key is pressed
Visualize.mGraph.canvas.translate(20, 0)
break
case 40: // if Down arrow key is pressed
Visualize.mGraph.canvas.translate(0, 20)
break
case 65: // if a or A is pressed
if (e.ctrlKey) {
Control.deselectAllNodes()