library/js/literallycanvas/js/core/actions.js

   1 var AddShapeAction, ClearAction;
   2
   3 ClearAction = (function() {
   4   function ClearAction(lc1, oldShapes, newShapes1) {
   5     this.lc = lc1;
   6     this.oldShapes = oldShapes;
   7     this.newShapes = newShapes1;
   8   }
   9
  10   ClearAction.prototype["do"] = function() {
  11     this.lc.shapes = this.newShapes;
  12     return this.lc.repaintLayer('main');
  13   };
  14
  15   ClearAction.prototype.undo = function() {
  16     this.lc.shapes = this.oldShapes;
  17     return this.lc.repaintLayer('main');
  18   };
  19
  20   return ClearAction;
  21
  22 })();
  23
  24 AddShapeAction = (function() {
  25   function AddShapeAction(lc1, shape1, previousShapeId) {
  26     this.lc = lc1;
  27     this.shape = shape1;
  28     this.previousShapeId = previousShapeId != null ? previousShapeId : null;
  29   }
  30
  31   AddShapeAction.prototype["do"] = function() {
  32     var found, i, len, newShapes, ref, shape;
  33     if (!this.lc.shapes.length || this.lc.shapes[this.lc.shapes.length - 1].id === this.previousShapeId || this.previousShapeId === null) {
  34       this.lc.shapes.push(this.shape);
  35     } else {
  36       newShapes = [];
  37       found = false;
  38       ref = this.lc.shapes;
  39       for (i = 0, len = ref.length; i < len; i++) {
  40         shape = ref[i];
  41         newShapes.push(shape);
  42         if (shape.id === this.previousShapeId) {
  43           newShapes.push(this.shape);
  44           found = true;
  45         }
  46       }
  47       if (!found) {
  48         newShapes.push(this.shape);
  49       }
  50       this.lc.shapes = newShapes;
  51     }
  52     return this.lc.repaintLayer('main');
  53   };
  54
  55   AddShapeAction.prototype.undo = function() {
  56     var i, len, newShapes, ref, shape;
  57     if (this.lc.shapes[this.lc.shapes.length - 1].id === this.shape.id) {
  58       this.lc.shapes.pop();
  59     } else {
  60       newShapes = [];
  61       ref = this.lc.shapes;
  62       for (i = 0, len = ref.length; i < len; i++) {
  63         shape = ref[i];
  64         if (shape.id !== this.shape.id) {
  65           newShapes.push(shape);
  66         }
  67       }
  68       lc.shapes = newShapes;
  69     }
  70     return this.lc.repaintLayer('main');
  71   };
  72
  73   return AddShapeAction;
  74
  75 })();
  76
  77 module.exports = {
  78   ClearAction: ClearAction,
  79   AddShapeAction: AddShapeAction
  80 };