chore(auto-place): adjust to new auto place API

lib/features/auto-place/BpmnAutoPlaceUtil.js

@@ -8,7 +8,8 @@ import {
 } from 'diagram-js/lib/layout/LayoutUtil';
 
 import {
-  deconflictPosition,
+  findFreePosition,
+  generateGetNextPosition,
   getConnectedDistance
 } from 'diagram-js/lib/features/auto-place/AutoPlaceUtil';
 
@@ -46,13 +47,15 @@ export function getFlowNodePosition(source, element) {
   var sourceTrbl = asTRBL(source);
   var sourceMid = getMid(source);
 
-  var horizontalDistance = getConnectedDistance(source, 'x', function(connection) {
+  var horizontalDistance = getConnectedDistance(source, {
+    filter: function(connection) {
       return is(connection, 'bpmn:SequenceFlow');
+    }
   });
 
-  var orientation = 'left',
+  var margin = 30,
-      rowSize = 80,
+      minDistance = 80,
-      margin = 30;
+      orientation = 'left';
 
   if (is(source, 'bpmn:BoundaryEvent')) {
     orientation = getOrientation(source, source.host, -25);
@@ -62,31 +65,32 @@ export function getFlowNodePosition(source, element) {
     }
   }
 
-  function getVerticalDistance(orient) {
+  var position = {
-    if (orient.indexOf('top') != -1) {
+    x: sourceTrbl.right + horizontalDistance + element.width / 2,
-      return -1 * rowSize;
+    y: sourceMid.y + getVerticalDistance(orientation, minDistance)
-    } else if (orient.indexOf('bottom') != -1) {
+  };
-      return rowSize;
+
+  var nextPositionDirection = {
+    y: {
+      margin: margin,
+      minDistance: minDistance
+    }
+  };
+
+  return findFreePosition(source, element, position, generateGetNextPosition(nextPositionDirection));
+}
+
+
+function getVerticalDistance(orientation, minDistance) {
+  if (orientation.indexOf('top') != -1) {
+    return -1 * minDistance;
+  } else if (orientation.indexOf('bottom') != -1) {
+    return minDistance;
   } else {
     return 0;
   }
 }
 
-  var position = {
-    x: sourceTrbl.right + horizontalDistance + element.width / 2,
-    y: sourceMid.y + getVerticalDistance(orientation)
-  };
-
-  var escapeDirection = {
-    y: {
-      margin: margin,
-      rowSize: rowSize
-    }
-  };
-
-  return deconflictPosition(source, element, position, escapeDirection);
-}
-
 
 /**
  * Always try to place text annotations top right of source.
@@ -100,14 +104,14 @@ export function getTextAnnotationPosition(source, element) {
     y: sourceTrbl.top - 50 - element.height / 2
   };
 
-  var escapeDirection = {
+  var nextPositionDirection = {
     y: {
       margin: -30,
-      rowSize: 20
+      minDistance: 20
     }
   };
 
-  return deconflictPosition(source, element, position, escapeDirection);
+  return findFreePosition(source, element, position, generateGetNextPosition(nextPositionDirection));
 }
 
 
@@ -123,12 +127,12 @@ export function getDataElementPosition(source, element) {
     y: sourceTrbl.bottom + 40 + element.width / 2
   };
 
-  var escapeDirection = {
+  var nextPositionDirection = {
     x: {
       margin: 30,
-      rowSize: 30
+      minDistance: 30
     }
   };
 
-  return deconflictPosition(source, element, position, escapeDirection);
+  return findFreePosition(source, element, position, generateGetNextPosition(nextPositionDirection));
 }