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Update Listeners.js

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Robert Best 2016-10-06 23:56:39 -04:00 • committed by GitHub
parent b978247785
commit 08f89ee630
1 changed files with 3 additions and 0 deletions
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frontend/src/Metamaps/Listeners.js
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@ -124,6 +124,7 @@ const Listeners = {
$(window).resize(function () { $(window).resize(function () {
if (Visualize && Visualize.mGraph){ if (Visualize && Visualize.mGraph){
//Find the current canvas scale and map-coordinate at the centre of the user's screen
var canvas = Visualize.mGraph.canvas, var canvas = Visualize.mGraph.canvas,
scaleX = canvas.scaleOffsetX, scaleX = canvas.scaleOffsetX,
scaleY = canvas.scaleOffsetY, scaleY = canvas.scaleOffsetY,
@ -131,8 +132,10 @@ const Listeners = {
centrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2, centrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2,
centreCoords = Util.pixelsToCoords({x:centrePixX ,y:centrePixY}); centreCoords = Util.pixelsToCoords({x:centrePixX ,y:centrePixY});
//Resize the canvas to fill the new indow size, based on how JIT works, this also resets the map back to scale 1 and tranlations = 0
Visualize.mGraph.canvas.resize($(window).width(), $(window).height()) Visualize.mGraph.canvas.resize($(window).width(), $(window).height())
//Return the map to the original scale, and then put the previous central map-coordinate back to the centre of user's newly resized screen
canvas.scale(scaleX,scaleY); canvas.scale(scaleX,scaleY);
var newCentrePixX = Visualize.mGraph.canvas.canvases[0].size.width / 2, var newCentrePixX = Visualize.mGraph.canvas.canvases[0].size.width / 2,
newCentrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2, newCentrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2,