function SplitScreen (nonScrollingRegionId, scrollingRegionId) { | |
// store references to the two regions | |
this.nonScrollingRegion = document.getElementById(nonScrollingRegionId); | |
this.scrollingRegion = document.getElementById(scrollingRegionId); | |
// set the scrolling settings | |
this.scrollingRegion.parentElement.style.margin = "0px"; | |
this.scrollingRegion.parentElement.style.overflow = "hidden"; | |
this.scrollingRegion.style.overflow = "auto"; | |
// fix the size of the scrolling region | |
this.resize(null); | |
// add an event handler to resize the scrolling region when the window is resized | |
registerEventHandler(window, 'resize', getInstanceDelegate(this, "resize")); | |
} | |
SplitScreen.prototype.resize = function(e) { | |
var height = document.body.clientHeight - this.nonScrollingRegion.offsetHeight; | |
if (height > 0) { | |
this.scrollingRegion.style.height = height; | |
} else { | |
this.scrollingRegion.style.height = 0; | |
} | |
this.scrollingRegion.style.width = this.scrollingRegion.parentElement.clientWidth; | |
} |