Merge pull request #54 from davidpeckham/issue53

Fixes issue #53

Author: davidpeckham

CONTRIBUTORS.md

@@ -12,3 +12,4 @@ Contributors
 - skafian and purplelizard for suggesting source line numbers (Sublime Text 3 only)
 - timothyaaron for fixing a code folding bug and defaulting search to the word at cursor
 - poma for performance improvements, filtering in place, and adding commands for filtering in place and inverse filters
+- uglycoyote, reagle, and FichteFoll for their persistence and insight with issue #53

filter.py

@@ -115,3 +115,38 @@ def prepare_output_line(self, line):
             return '%5d: %s' % (line_number, self.view.substr(line))
         else:
             return self.view.substr(line)
+
+
+class PromptFoldToLinesCommand(PromptFilterToLinesCommand):
+
+    def run(self, search_type='string', invert_search=False):
+        self._run(search_type, "fold_to_lines", "Fold", invert_search)
+
+
+class FoldToLinesCommand(FilterToLinesCommand):
+
+    def show_filtered_lines(self, edit, lines):
+        source_lines = self.view.lines(sublime.Region(0, self.view.size()))
+        filtered_line_numbers = {
+            self.view.rowcol(line.begin())[0] for line in lines
+        }
+        regions = []
+        region = None
+        for line in source_lines:
+            matched = (
+                self.view.rowcol(
+                    line.begin()
+                )[0] in filtered_line_numbers) ^ self.invert_search
+            if matched:
+                if region:
+                    regions.append(region)
+                    region = None
+            else:
+                if region:
+                    region = region.cover(line)
+                else:
+                    region = sublime.Region(line.begin(), line.end())
+        if region:
+            regions.append(region)
+        if regions:
+            self.view.fold(regions)

fold.py

@@ -7,5 +7,6 @@
 	"3.0.0": "messages/3.0.0.md",
 	"3.1.0": "messages/3.1.0.md",
 	"3.1.2": "messages/3.1.2.md",
-	"3.1.3": "messages/3.1.3.md"
+	"3.1.3": "messages/3.1.3.md",
+	"3.1.4": "messages/3.1.4.md"
 }

messages.json

@@ -0,0 +1,7 @@
+#3.1.4  August 8, 2019
+
+This release is for Sublime Text 3 users. I have separate versions of the plugin for Sublime Text 2 and 3, and the version for Sublime Text 2 remains unchanged for now.
+
+##Changes
+
+- Merged fold.py into filter.py as suggested by FichteFoll to resolve issue #53, which sometimes caused Filter Lines menu items to appear disabled in ST 3.