X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=to-be-integrated%2Fthird-party%2Fcodemirror-3.15%2Faddon%2Fedit%2Fmatchtags.js;fp=to-be-integrated%2Fthird-party%2Fcodemirror-3.15%2Faddon%2Fedit%2Fmatchtags.js;h=3eabfeb8d3be9fd65016d3c6d2ea2f18d3369d73;hb=31540dd504798e0aca69e10d8144fbedc5b16af8;hp=0000000000000000000000000000000000000000;hpb=937653fd70bbf7d95bcf870e7f2b46b4a8fec486;p=myslice.git

diff --git a/to-be-integrated/third-party/codemirror-3.15/addon/edit/matchtags.js b/to-be-integrated/third-party/codemirror-3.15/addon/edit/matchtags.js
new file mode 100644
index 00000000..3eabfeb8
--- /dev/null
+++ b/to-be-integrated/third-party/codemirror-3.15/addon/edit/matchtags.js
@@ -0,0 +1,51 @@
+(function() {
+  "use strict";
+
+  CodeMirror.defineOption("matchTags", false, function(cm, val, old) {
+    if (old && old != CodeMirror.Init) {
+      cm.off("cursorActivity", doMatchTags);
+      cm.off("viewportChange", maybeUpdateMatch);
+      clear(cm);
+    }
+    if (val) {
+      cm.on("cursorActivity", doMatchTags);
+      cm.on("viewportChange", maybeUpdateMatch);
+      doMatchTags(cm);
+    }
+  });
+
+  function clear(cm) {
+    if (cm.state.matchedTag) {
+      cm.state.matchedTag.clear();
+      cm.state.matchedTag = null;
+    }
+  }
+
+  function doMatchTags(cm) {
+    cm.state.failedTagMatch = false;
+    cm.operation(function() {
+      clear(cm);
+      var cur = cm.getCursor(), range = cm.getViewport();
+      range.from = Math.min(range.from, cur.line); range.to = Math.max(cur.line + 1, range.to);
+      var match = CodeMirror.findMatchingTag(cm, cur, range);
+      if (!match) return;
+      var other = match.at == "close" ? match.open : match.close;
+      if (other)
+        cm.state.matchedTag = cm.markText(other.from, other.to, {className: "CodeMirror-matchingtag"});
+      else
+        cm.state.failedTagMatch = true;
+    });
+  }
+
+  function maybeUpdateMatch(cm) {
+    if (cm.state.failedTagMatch) doMatchTags(cm);
+  }
+
+  CodeMirror.commands.toMatchingTag = function(cm) {
+    var found = CodeMirror.findMatchingTag(cm, cm.getCursor());
+    if (found) {
+      var other = found.at == "close" ? found.open : found.close;
+      if (other) cm.setSelection(other.to, other.from);
+    }
+  };
+})();