To understand the remark about the resize and rotate handles, please consider what I am trying to achieve at http://dojo.telerik.com/ecUWE
The issue I have is "should I use the hint?" and although it is clear how to use it when translating an element, it is not clear how to use it when resizing and rotating, especially to ensure the element remains within the boundaries of a container.
As far as the examples you mention are concerned:
- diagram rotation tools (kendo.dataviz.diagram.js) seem programmatic and apparently do not use drag and drop or Draggable. See also http://demos.telerik.com/kendo-ui/diagram/index. So there is not much to learn here except formulas for rotating.
- window resizing, besides not implementing rotation, does not use the hint. See kendo.window.js line 1237:
group: wnd.wrapper.id +
dragstart: proxy(that.dragstart, that),
drag: proxy(that.drag, that),
dragend: proxy(that.dragend, that)
My impression is that the hint cannot be used when resizing and rotating. In this case, you are very much on your own. Please confirm.