mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-29 11:30:28 +00:00
44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
|
// A number of additional default bindings that are too obscure to
|
||
|
|
// include in the core codemirror.js file.
|
||
|
|
|
||
|
|
(function() {
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
var Pos = CodeMirror.Pos;
|
||
|
|
|
||
|
|
function moveLines(cm, start, end, dist) {
|
||
|
|
if (!dist || start > end) return 0;
|
||
|
|
|
||
|
|
var from = cm.clipPos(Pos(start, 0)), to = cm.clipPos(Pos(end));
|
||
|
|
var text = cm.getRange(from, to);
|
||
|
|
|
||
|
|
if (start <= cm.firstLine())
|
||
|
|
cm.replaceRange("", from, Pos(to.line + 1, 0));
|
||
|
|
else
|
||
|
|
cm.replaceRange("", Pos(from.line - 1), to);
|
||
|
|
var target = from.line + dist;
|
||
|
|
if (target <= cm.firstLine()) {
|
||
|
|
cm.replaceRange(text + "\n", Pos(target, 0));
|
||
|
|
return cm.firstLine() - from.line;
|
||
|
|
} else {
|
||
|
|
var targetPos = cm.clipPos(Pos(target - 1));
|
||
|
|
cm.replaceRange("\n" + text, targetPos);
|
||
|
|
return targetPos.line + 1 - from.line;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function moveSelectedLines(cm, dist) {
|
||
|
|
var head = cm.getCursor("head"), anchor = cm.getCursor("anchor");
|
||
|
|
cm.operation(function() {
|
||
|
|
var moved = moveLines(cm, Math.min(head.line, anchor.line), Math.max(head.line, anchor.line), dist);
|
||
|
|
cm.setSelection(Pos(anchor.line + moved, anchor.ch), Pos(head.line + moved, head.ch));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
CodeMirror.commands.moveLinesUp = function(cm) { moveSelectedLines(cm, -1); };
|
||
|
|
CodeMirror.commands.moveLinesDown = function(cm) { moveSelectedLines(cm, 1); };
|
||
|
|
|
||
|
|
CodeMirror.keyMap["default"]["Alt-Up"] = "moveLinesUp";
|
||
|
|
CodeMirror.keyMap["default"]["Alt-Down"] = "moveLinesDown";
|
||
|
|
})();
|