5
if (typeof exports == "object" && typeof module == "object")
6
mod(require("../../lib/codemirror"));
7
else if (typeof define == "function" && define.amd)
8
define(["../../lib/codemirror"], mod);
11
})(function(CodeMirror) {
14
CodeMirror.defineOption("scrollPastEnd", false, function(cm, val, old) {
15
if (old && old != CodeMirror.Init) {
16
cm.off("change", onChange);
17
cm.off("refresh", updateBottomMargin);
18
cm.display.lineSpace.parentNode.style.paddingBottom = "";
19
cm.state.scrollPastEndPadding = null;
22
cm.on("change", onChange);
23
cm.on("refresh", updateBottomMargin);
24
updateBottomMargin(cm);
28
function onChange(cm, change) {
29
if (CodeMirror.changeEnd(change).line == cm.lastLine())
30
updateBottomMargin(cm);
33
function updateBottomMargin(cm) {
35
if (cm.lineCount() > 1) {
36
var totalH = cm.display.scroller.clientHeight - 30,
37
lastLineH = cm.getLineHandle(cm.lastLine()).height;
38
padding = (totalH - lastLineH) + "px";
40
if (cm.state.scrollPastEndPadding != padding) {
41
cm.state.scrollPastEndPadding = padding;
42
cm.display.lineSpace.parentNode.style.paddingBottom = padding;
43
cm.off("refresh", updateBottomMargin);
45
cm.on("refresh", updateBottomMargin);