diff options
author | Wu Cheng-Han | 2015-05-04 15:53:29 +0800 |
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committer | Wu Cheng-Han | 2015-05-04 15:53:29 +0800 |
commit | 4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch) | |
tree | 574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/addon/scroll/scrollpastend.js | |
parent | 61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff) |
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/addon/scroll/scrollpastend.js')
-rwxr-xr-x | public/vendor/codemirror/addon/scroll/scrollpastend.js | 46 |
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(); + } + } +}); |