glenux-contrib/metamaps--metamaps
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Update Listeners.js

Browse source 
Simplified based on Connor's suggestion about usage of variables.
This commit is contained in:
Robert Best 2016-10-07 02:36:41 -04:00 committed by GitHub
parent 3e4ff59a82
commit b6da38e29e
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
frontend/src/Metamaps/Listeners.js
View file

@ -128,17 +128,17 @@ const Listeners = {
var canvas = Visualize.mGraph.canvas, var canvas = Visualize.mGraph.canvas,
scaleX = canvas.scaleOffsetX, scaleX = canvas.scaleOffsetX,
scaleY = canvas.scaleOffsetY, scaleY = canvas.scaleOffsetY,
centrePixX = Visualize.mGraph.canvas.canvases[0].size.width / 2, centrePixX = canvas.canvases[0].size.width / 2,
centrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2, centrePixY = 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 window size. Based on how JIT works, this also resets the map back to scale 1 and tranlations = 0 //Resize the canvas to fill the new window size. Based on how JIT works, this also resets the map back to scale 1 and tranlations = 0
Visualize.mGraph.canvas.resize($(window).width(), $(window).height()) canvas.resize($(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 //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 = canvas.canvases[0].size.width / 2,
newCentrePixY = Visualize.mGraph.canvas.canvases[0].size.height / 2, newCentrePixY = canvas.canvases[0].size.height / 2,
newCentreCoords = Util.pixelsToCoords({x:newCentrePixX ,y:newCentrePixY}); newCentreCoords = Util.pixelsToCoords({x:newCentrePixX ,y:newCentrePixY});
canvas.translate(newCentreCoords.x - centreCoords.x, newCentreCoords.y - centreCoords.y); canvas.translate(newCentreCoords.x - centreCoords.x, newCentreCoords.y - centreCoords.y);