From a830c1e1e0ae5786733c2636e0cd2bab40ee4d5d Mon Sep 17 00:00:00 2001
From: Nico Rehwaldt <nico.rehwaldt@camunda.com>
Date: Sun, 10 Dec 2017 00:39:47 +0100
Subject: [PATCH] chore(snapping): remove dead code

* we don't support moving of lanes;
  the removed code never made it into production.
---
 lib/features/snapping/BpmnSnapping.js | 86 ---------------------------
 1 file changed, 86 deletions(-)

diff --git a/lib/features/snapping/BpmnSnapping.js b/lib/features/snapping/BpmnSnapping.js
index c18bbb42..199e2a3e 100644
--- a/lib/features/snapping/BpmnSnapping.js
+++ b/lib/features/snapping/BpmnSnapping.js
@@ -2,10 +2,7 @@
 
 var inherits = require('inherits');
 
-var abs = Math.abs;
-
 var forEach = require('lodash/collection/forEach'),
-    filter = require('lodash/collection/filter'),
     assign = require('lodash/object/assign');
 
 var getBoundingBox = require('diagram-js/lib/util/Elements').getBBox;
@@ -171,89 +168,6 @@ function BpmnSnapping(eventBus, canvas, bpmnRules, elementRegistry) {
   });
 
 
-  eventBus.on([
-    'create.move',
-    'shape.move.move'
-  ], function(event) {
-
-    var context = event.context,
-        shape = context.shape,
-        target = context.target;
-
-    var threshold = 30;
-
-    if (is(shape, 'bpmn:Lane')) {
-      if (isAny(target, [ 'bpmn:Lane', 'bpmn:Participant' ])) {
-
-        var childLanes = filter(target.children, function(c) {
-          return is(c, 'bpmn:Lane');
-        });
-
-        var y = event.y,
-            targetTrbl;
-
-        var insert = childLanes.reduce(function(insert, l) {
-
-          var laneTrbl = asTRBL(l);
-
-          if (abs(laneTrbl.top - y) < threshold) {
-            insert = assign(insert || {}, { before: { element: l, y: laneTrbl.top } });
-          } else
-          if (abs(laneTrbl.bottom - y) < threshold) {
-            insert = assign(insert || {}, { after: { element: l, y: laneTrbl.bottom } });
-          } else
-          if (laneTrbl.top < y && laneTrbl.bottom > y) {
-            if (abs(laneTrbl.top - y) > abs(laneTrbl.bottom - y)) {
-              insert = assign(insert || {}, { after: { element: l, y: laneTrbl.bottom } });
-            } else {
-              insert = assign(insert || {}, { before: { element: l, y: laneTrbl.top } });
-            }
-
-          }
-
-          return insert;
-        }, false);
-
-
-        if (!insert) {
-          targetTrbl = asTRBL(target);
-
-          if (abs(targetTrbl.top - y) < threshold) {
-            insert = { before: { element: target, y: targetTrbl.top } };
-          } else
-          if (abs(targetTrbl.bottom - y) < threshold) {
-            insert = { after: { element: target, y: targetTrbl.bottom } };
-          } else {
-            insert = { into: { element: target, y: (targetTrbl.top + targetTrbl.bottom) / 2 } };
-          }
-
-        }
-
-        if (insert.before && insert.after) {
-          console.log('insert between', insert.before.element.id, 'and', insert.after.element.id);
-          setSnapped(event, 'x', insert.before.element.x + insert.before.element.width / 2);
-          setSnapped(event, 'y', insert.before.y);
-        } else
-        if (insert.after) {
-          console.log('insert after', insert.after.element.id);
-          setSnapped(event, 'x', insert.after.element.x + insert.after.element.width / 2);
-          setSnapped(event, 'y', insert.after.y);
-        } else
-        if (insert.before) {
-          console.log('insert before', insert.before.element.id);
-          setSnapped(event, 'x', insert.before.element.x + insert.before.element.width / 2);
-          setSnapped(event, 'y', insert.before.y);
-        } else
-        if (insert.into) {
-          console.log('insert into', insert.into.element.id);
-          setSnapped(event, 'x', insert.into.element.x + insert.into.element.width / 2);
-          setSnapped(event, 'y', insert.into.y);
-        }
-      }
-    }
-
-  });
-
   eventBus.on('resize.start', HIGH_PRIORITY, function(event) {
     var context = event.context,
         shape = context.shape;