Better windows box saving + expand-shrink back to previous

app/libs/EIC/EICDomContent.js

@@ -14,13 +14,22 @@ class EICDomContent extends View {
 
     get expanded() { return this.el.hasAttribute('expanded'); }
 
+    _saveWindowBox(){
+        const box = this.el.getBoundingClientRect()
+        this.savedWindowBox = {
+                    width: `${box.width}px`,
+                    height: `${box.height}px`,
+                    left: `${box.x}px`,
+                    top: `${box.y}px`,
+        }
+    }
 
-//TODO: memorize size & position
 
     /**
      * 
      */
     expand() { 
+        this._saveWindowBox()
         this.el.setAttribute('expanded',''); 
         this.el.dispatchEvent(new CustomEvent('expanded'));
         this.el.style.left = 'auto';
@@ -31,17 +40,15 @@ class EICDomContent extends View {
         this.DOMContentResized()
     }
 
-//TODO: restore to previous memorize size & position
-
-
     /**
      * 
      */
     shrink() { 
         this.el.removeAttribute('expanded'); 
         this.el.dispatchEvent(new CustomEvent('shrinked'));
-        this.el.style.left = this.el.getBoundingClientRect().x;
-        this.el.style.top = this.el.getBoundingClientRect().y;
+        Object.assign(this.el.style, this.savedWindowBox)
+        // this.el.style.left = this.el.getBoundingClientRect().x;
+        // this.el.style.top = this.el.getBoundingClientRect().y;
 
         this.DOMContentResized();
     }