move a few things away in to-be-integrated/

[myslice.git] / third-party / codemirror-3.15 / addon / fold / foldgutter.js

diff --git a/third-party/codemirror-3.15/addon/fold/foldgutter.js b/third-party/codemirror-3.15/addon/fold/foldgutter.js
deleted file mode 100644 (file)
index b809c93..0000000
--- a/third-party/codemirror-3.15/addon/fold/foldgutter.js
+++ /dev/null
@@ -1,122 +0,0 @@
-(function() {
-  "use strict";
-
-  CodeMirror.defineOption("foldGutter", false, function(cm, val, old) {
-    if (old && old != CodeMirror.Init) {
-      cm.clearGutter(cm.state.foldGutter.options.gutter);
-      cm.state.foldGutter = null;
-      cm.off("gutterClick", onGutterClick);
-      cm.off("change", onChange);
-      cm.off("viewportChange", onViewportChange);
-      cm.off("fold", onFold);
-      cm.off("unfold", onFold);
-    }
-    if (val) {
-      cm.state.foldGutter = new State(parseOptions(val));
-      updateInViewport(cm);
-      cm.on("gutterClick", onGutterClick);
-      cm.on("change", onChange);
-      cm.on("viewportChange", onViewportChange);
-      cm.on("fold", onFold);
-      cm.on("unfold", onFold);
-    }
-  });
-
-  var Pos = CodeMirror.Pos;
-
-  function State(options) {
-    this.options = options;
-    this.from = this.to = 0;
-  }
-
-  function parseOptions(opts) {
-    if (opts === true) opts = {};
-    if (opts.gutter == null) opts.gutter = "CodeMirror-foldgutter";
-    if (opts.indicatorOpen == null) opts.indicatorOpen = "CodeMirror-foldgutter-open";
-    if (opts.indicatorFolded == null) opts.indicatorFolded = "CodeMirror-foldgutter-folded";
-    return opts;
-  }
-
-  function isFolded(cm, line) {
-    var marks = cm.findMarksAt(Pos(line));
-    for (var i = 0; i < marks.length; ++i)
-      if (marks[i].__isFold && marks[i].find().from.line == line) return true;
-  }
-
-  function marker(spec) {
-    if (typeof spec == "string") {
-      var elt = document.createElement("div");
-      elt.className = spec;
-      return elt;
-    } else {
-      return spec.cloneNode(true);
-    }
-  }
-
-  function updateFoldInfo(cm, from, to) {
-    var opts = cm.state.foldGutter.options, cur = from;
-    cm.eachLine(from, to, function(line) {
-      var mark = null;
-      if (isFolded(cm, cur)) {
-        mark = marker(opts.indicatorFolded);
-      } else {
-        var pos = Pos(cur, 0), func = opts.rangeFinder || cm.getHelper(pos, "fold");
-        var range = func && func(cm, pos);
-        if (range && range.from.line + 1 < range.to.line)
-          mark = marker(opts.indicatorOpen);
-      }
-      cm.setGutterMarker(line, opts.gutter, mark);
-      ++cur;
-    });
-  }
-
-  function updateInViewport(cm) {
-    var vp = cm.getViewport(), state = cm.state.foldGutter;
-    if (!state) return;
-    cm.operation(function() {
-      updateFoldInfo(cm, vp.from, vp.to);
-    });
-    state.from = vp.from; state.to = vp.to;
-  }
-
-  function onGutterClick(cm, line, gutter) {
-    var opts = cm.state.foldGutter.options;
-    if (gutter != opts.gutter) return;
-    cm.foldCode(Pos(line, 0), opts.rangeFinder);
-  }
-
-  function onChange(cm) {
-    var state = cm.state.foldGutter;
-    state.from = state.to = 0;
-    clearTimeout(state.changeUpdate);
-    state.changeUpdate = setTimeout(function() { updateInViewport(cm); }, 600);
-  }
-
-  function onViewportChange(cm) {
-    var state = cm.state.foldGutter;
-    clearTimeout(state.changeUpdate);
-    state.changeUpdate = setTimeout(function() {
-      var vp = cm.getViewport();
-      if (state.from == state.to || vp.from - state.to > 20 || state.from - vp.to > 20) {
-        updateInViewport(cm);
-      } else {
-        cm.operation(function() {
-          if (vp.from < state.from) {
-            updateFoldInfo(cm, vp.from, state.from);
-            state.from = vp.from;
-          }
-          if (vp.to > state.to) {
-            updateFoldInfo(cm, state.to, vp.to);
-            state.to = vp.to;
-          }
-        });
-      }
-    }, 400);
-  }
-
-  function onFold(cm, from) {
-    var state = cm.state.foldGutter, line = from.line;
-    if (line >= state.from && line < state.to)
-      updateFoldInfo(cm, line, line + 1);
-  }
-})();