Files
2024-11-20 09:09:44 +01:00

69 lines
2.4 KiB
JavaScript

/*
* ISC License
*
* Copyright (c) 2024 idnovate.com
* idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* @author idnovate
* @copyright 2024 idnovate
* @license https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC 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);
}
}
});