36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
//This file is only for saving the whiteboard. (Not to a file, only to RAM atm. Whiteboard is gone after server restart)
|
|
|
|
var savedBoards = {};
|
|
module.exports = {
|
|
handleEventsAndData : function(content) {
|
|
var tool = content["t"]; //Tool witch is used
|
|
var wid = content["wid"]; //whiteboard ID
|
|
var username = content["username"];
|
|
if(tool==="clear") { //Clear the whiteboard
|
|
delete savedBoards[wid];
|
|
} else if(tool==="undo") { //Undo an action
|
|
if(savedBoards[wid]) {
|
|
for(var i=savedBoards[wid].length-1;i>=0;i--){
|
|
if(savedBoards[wid][i]["username"]==username) {
|
|
var drawId = savedBoards[wid][i]["drawId"];
|
|
for(var i=savedBoards[wid].length-1;i>=0;i--){
|
|
if(savedBoards[wid][i]["drawId"]==drawId && savedBoards[wid][i]["username"]==username) {
|
|
savedBoards[wid].splice(i, 1);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else if(["line", "pen", "rect", "circle", "eraser", "addImgBG", "recSelect", "eraseRec"].includes(tool)) { //Save all this actions
|
|
if(!savedBoards[wid]) {
|
|
savedBoards[wid] = [];
|
|
}
|
|
delete content["wid"]; //Delete id from content so we don't store it twice
|
|
savedBoards[wid].push(content);
|
|
}
|
|
},
|
|
loadStoredData : function(wid) { //Load saved whiteboard
|
|
return savedBoards[wid] ? savedBoards[wid] : [];
|
|
}
|
|
} |