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gitea/public/vendor/plugins/codemirror/addon/scroll/scrollpastend.js
oscar.lofwenhamn 1e9b330525 Update CodeMirror to version 5.49.0 (#8381)
* Update CodeMirror to version 5.49.0

* Update CodeMirror versions in librejs and VERSIONS
2019-10-15 11:40:42 +03:00

49 lines
1.5 KiB
JavaScript
Vendored

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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.off("refresh", updateBottomMargin);
cm.setSize();
cm.on("refresh", updateBottomMargin);
}
}
});