+ var shownAlready = false;
+ var scrollbarPosition = 0,
+ cursorPosition;
+
+ canvasWrapper.onShow = function() {
+ if(!shownAlready) {
+ shownAlready = true;
+ canvas.setCurrentElement(canvas.doc().getVerticallyFirstTextElement());
+ } else {
+ canvas.setCursorPosition(cursorPosition);
+ this.find('#rng-module-documentCanvas-contentWrapper').scrollTop(scrollbarPosition);
+ }
+ };
+
+ canvasWrapper.onHide = function() {
+ scrollbarPosition = this.find('#rng-module-documentCanvas-contentWrapper').scrollTop();
+ cursorPosition = canvas.getCursor().getPosition();
+ };