summaryrefslogtreecommitdiff
path: root/public/vendor/codemirror/addon/scroll/scrollpastend.js
diff options
context:
space:
mode:
authorWu Cheng-Han2015-05-04 15:53:29 +0800
committerWu Cheng-Han2015-05-04 15:53:29 +0800
commit4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch)
tree574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/addon/scroll/scrollpastend.js
parent61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff)
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/addon/scroll/scrollpastend.js')
-rwxr-xr-xpublic/vendor/codemirror/addon/scroll/scrollpastend.js46
1 files changed, 46 insertions, 0 deletions
diff --git a/public/vendor/codemirror/addon/scroll/scrollpastend.js b/public/vendor/codemirror/addon/scroll/scrollpastend.js
new file mode 100755
index 00000000..008ae4c7
--- /dev/null
+++ b/public/vendor/codemirror/addon/scroll/scrollpastend.js
@@ -0,0 +1,46 @@
+// 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();
+ }
+ }
+});