mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-15 07:58:41 +00:00
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
|
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
||
|
|
|
||
|
|
(function(mod) {
|
||
|
|
if (typeof exports == "object" && typeof module == "object") // CommonJS
|
||
|
|
mod(require("../../lib/codemirror"));
|
||
|
|
else if (typeof define == "function" && define.amd) // AMD
|
||
|
|
define(["../../lib/codemirror"], mod);
|
||
|
|
else // Plain browser env
|
||
|
|
mod(CodeMirror);
|
||
|
|
})(function(CodeMirror) {
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
CodeMirror.defineOption("scrollPastEnd", false, function(cm, val, old) {
|
||
|
|
if (old && old != CodeMirror.Init) {
|
||
|
|
cm.off("change", onChange);
|
||
|
|
cm.off("refresh", updateBottomMargin);
|
||
|
|
cm.display.lineSpace.parentNode.style.paddingBottom = "";
|
||
|
|
cm.state.scrollPastEndPadding = null;
|
||
|
|
}
|
||
|
|
if (val) {
|
||
|
|
cm.on("change", onChange);
|
||
|
|
cm.on("refresh", updateBottomMargin);
|
||
|
|
updateBottomMargin(cm);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
function onChange(cm, change) {
|
||
|
|
if (CodeMirror.changeEnd(change).line == cm.lastLine())
|
||
|
|
updateBottomMargin(cm);
|
||
|
|
}
|
||
|
|
|
||
|
|
function updateBottomMargin(cm) {
|
||
|
|
var padding = "";
|
||
|
|
if (cm.lineCount() > 1) {
|
||
|
|
var totalH = cm.display.scroller.clientHeight - 30,
|
||
|
|
lastLineH = cm.getLineHandle(cm.lastLine()).height;
|
||
|
|
padding = (totalH - lastLineH) + "px";
|
||
|
|
}
|
||
|
|
if (cm.state.scrollPastEndPadding != padding) {
|
||
|
|
cm.state.scrollPastEndPadding = padding;
|
||
|
|
cm.display.lineSpace.parentNode.style.paddingBottom = padding;
|
||
|
|
cm.setSize();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|