chore(resize-behavior): move resize behavior to seperate behavior

* setting minimum bounds and resize constraints moved to ResizeBehavior

Related to #1290

lib/features/modeling/behavior/ResizeBehavior.js

@@ -0,0 +1,44 @@
+import { is } from '../../../util/ModelUtil';
+
+import { isExpanded } from '../../../util/DiUtil';
+
+import { getParticipantResizeConstraints } from './util/ResizeUtil';
+
+var HIGH_PRIORITY = 1500;
+
+var PARTICIPANT_MIN_DIMENSIONS = { width: 300, height: 150 },
+    SUB_PROCESS_MIN_DIMENSIONS = { width: 140, height: 120 },
+    TEXT_ANNOTATION_MIN_DIMENSIONS = { width: 50, height: 30 };
+
+
+/**
+ * Set minimum bounds/resize constraints on resize.
+ *
+ * @param {EventBus} eventBus
+ */
+export default function ResizeBehavior(eventBus) {
+  eventBus.on('resize.start', HIGH_PRIORITY, function(event) {
+    var context = event.context,
+        shape = context.shape,
+        direction = context.direction,
+        balanced = context.balanced;
+
+    if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {
+      context.resizeConstraints = getParticipantResizeConstraints(shape, direction, balanced);
+    }
+
+    if (is(shape, 'bpmn:Participant')) {
+      context.minDimensions = PARTICIPANT_MIN_DIMENSIONS;
+    }
+
+    if (is(shape, 'bpmn:SubProcess') && isExpanded(shape)) {
+      context.minDimensions = SUB_PROCESS_MIN_DIMENSIONS;
+    }
+
+    if (is(shape, 'bpmn:TextAnnotation')) {
+      context.minDimensions = TEXT_ANNOTATION_MIN_DIMENSIONS;
+    }
+  });
+}
+
+ResizeBehavior.$inject = [ 'eventBus' ];

lib/features/modeling/behavior/index.js

@@ -20,6 +20,7 @@ import ModelingFeedback from './ModelingFeedback';
 import ReplaceConnectionBehavior from './ReplaceConnectionBehavior';
 import RemoveParticipantBehavior from './RemoveParticipantBehavior';
 import ReplaceElementBehaviour from './ReplaceElementBehaviour';
+import ResizeBehavior from './ResizeBehavior';
 import ResizeLaneBehavior from './ResizeLaneBehavior';
 import RemoveElementBehavior from './RemoveElementBehavior';
 import SubProcessStartEventBehavior from './SubProcessStartEventBehavior';
@@ -53,6 +54,7 @@ export default {
     'removeParticipantBehavior',
     'replaceConnectionBehavior',
     'replaceElementBehaviour',
+    'resizeBehavior',
     'resizeLaneBehavior',
     'toggleElementCollapseBehaviour',
     'subProcessStartEventBehavior',
@@ -82,6 +84,7 @@ export default {
   replaceConnectionBehavior: [ 'type', ReplaceConnectionBehavior ],
   removeParticipantBehavior: [ 'type', RemoveParticipantBehavior ],
   replaceElementBehaviour: [ 'type', ReplaceElementBehaviour ],
+  resizeBehavior: [ 'type', ResizeBehavior ],
   resizeLaneBehavior: [ 'type', ResizeLaneBehavior ],
   removeElementBehavior: [ 'type', RemoveElementBehavior ],
   toggleElementCollapseBehaviour : [ 'type', ToggleElementCollapseBehaviour ],

lib/features/modeling/behavior/util/ResizeUtil.js

@@ -0,0 +1,132 @@
+import { is } from '../../../../util/ModelUtil';
+
+import {
+  asTRBL
+} from 'diagram-js/lib/layout/LayoutUtil';
+
+import {
+  collectLanes,
+  getLanesRoot
+} from '../../../modeling/util/LaneUtil';
+
+var abs = Math.abs,
+    min = Math.min,
+    max = Math.max;
+
+
+function addToTrbl(trbl, attr, value, choice) {
+  var current = trbl[attr];
+
+  // make sure to set the value if it does not exist
+  // or apply the correct value by comparing against
+  // choice(value, currentValue)
+  trbl[attr] = current === undefined ? value : choice(value, current);
+}
+
+function addMin(trbl, attr, value) {
+  return addToTrbl(trbl, attr, value, min);
+}
+
+function addMax(trbl, attr, value) {
+  return addToTrbl(trbl, attr, value, max);
+}
+
+var LANE_MIN_HEIGHT = 60,
+    LANE_MIN_WIDTH = 300,
+    LANE_RIGHT_PADDING = 20,
+    LANE_LEFT_PADDING = 50,
+    LANE_TOP_PADDING = 20,
+    LANE_BOTTOM_PADDING = 20;
+
+
+export function getParticipantResizeConstraints(laneShape, resizeDirection, balanced) {
+  var lanesRoot = getLanesRoot(laneShape);
+
+  var isFirst = true,
+      isLast = true;
+
+  // max top/bottom size for lanes
+  var allLanes = collectLanes(lanesRoot, [ lanesRoot ]);
+
+  var laneTrbl = asTRBL(laneShape);
+
+  var maxTrbl = {},
+      minTrbl = {};
+
+  if (/e/.test(resizeDirection)) {
+    minTrbl.right = laneTrbl.left + LANE_MIN_WIDTH;
+  } else
+  if (/w/.test(resizeDirection)) {
+    minTrbl.left = laneTrbl.right - LANE_MIN_WIDTH;
+  }
+
+  allLanes.forEach(function(other) {
+
+    var otherTrbl = asTRBL(other);
+
+    if (/n/.test(resizeDirection)) {
+
+      if (otherTrbl.top < (laneTrbl.top - 10)) {
+        isFirst = false;
+      }
+
+      // max top size (based on next element)
+      if (balanced && abs(laneTrbl.top - otherTrbl.bottom) < 10) {
+        addMax(maxTrbl, 'top', otherTrbl.top + LANE_MIN_HEIGHT);
+      }
+
+      // min top size (based on self or nested element)
+      if (abs(laneTrbl.top - otherTrbl.top) < 5) {
+        addMin(minTrbl, 'top', otherTrbl.bottom - LANE_MIN_HEIGHT);
+      }
+    }
+
+    if (/s/.test(resizeDirection)) {
+
+      if (otherTrbl.bottom > (laneTrbl.bottom + 10)) {
+        isLast = false;
+      }
+
+      // max bottom size (based on previous element)
+      if (balanced && abs(laneTrbl.bottom - otherTrbl.top) < 10) {
+        addMin(maxTrbl, 'bottom', otherTrbl.bottom - LANE_MIN_HEIGHT);
+      }
+
+      // min bottom size (based on self or nested element)
+      if (abs(laneTrbl.bottom - otherTrbl.bottom) < 5) {
+        addMax(minTrbl, 'bottom', otherTrbl.top + LANE_MIN_HEIGHT);
+      }
+    }
+  });
+
+  // max top/bottom/left/right size based on flow nodes
+  var flowElements = lanesRoot.children.filter(function(s) {
+    return !s.hidden && !s.waypoints && (is(s, 'bpmn:FlowElement') || is(s, 'bpmn:Artifact'));
+  });
+
+  flowElements.forEach(function(flowElement) {
+
+    var flowElementTrbl = asTRBL(flowElement);
+
+    if (isFirst && /n/.test(resizeDirection)) {
+      addMin(minTrbl, 'top', flowElementTrbl.top - LANE_TOP_PADDING);
+    }
+
+    if (/e/.test(resizeDirection)) {
+      addMax(minTrbl, 'right', flowElementTrbl.right + LANE_RIGHT_PADDING);
+    }
+
+    if (isLast && /s/.test(resizeDirection)) {
+      addMax(minTrbl, 'bottom', flowElementTrbl.bottom + LANE_BOTTOM_PADDING);
+    }
+
+    if (/w/.test(resizeDirection)) {
+      addMin(minTrbl, 'left', flowElementTrbl.left - LANE_LEFT_PADDING);
+    }
+  });
+
+  return {
+    min: minTrbl,
+    max: maxTrbl
+  };
+}

lib/features/snapping/BpmnSnapping.js

@@ -11,8 +11,6 @@ import { is } from '../../util/ModelUtil';
 
 import { isAny } from '../modeling/util/ModelingUtil';
 
-import { isExpanded } from '../../util/DiUtil';
-
 import {
   bottomRight,
   isSnapped,
@@ -23,10 +21,7 @@ import {
 
 import { asTRBL } from 'diagram-js/lib/layout/LayoutUtil';
 
-import {
+import { getBoundaryAttachment } from './BpmnSnappingUtil';
-  getBoundaryAttachment,
-  getParticipantSizeConstraints
-} from './BpmnSnappingUtil';
 
 import { getLanesRoot } from '../modeling/util/LaneUtil';
 
@@ -150,33 +145,6 @@ export default function BpmnSnapping(bpmnRules, elementRegistry, eventBus, injec
     }
 
   });
-
-
-  eventBus.on('resize.start', HIGH_PRIORITY, function(event) {
-    var context = event.context,
-        shape = context.shape;
-
-    if (is(shape, 'bpmn:SubProcess') && isExpanded(shape)) {
-      context.minDimensions = { width: 140, height: 120 };
-    }
-
-    if (is(shape, 'bpmn:Participant')) {
-      context.minDimensions = { width: 300, height: 150 };
-    }
-
-    if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {
-      context.resizeConstraints = getParticipantSizeConstraints(
-        shape,
-        context.direction,
-        context.balanced
-      );
-    }
-
-    if (is(shape, 'bpmn:TextAnnotation')) {
-      context.minDimensions = { width: 50, height: 30 };
-    }
-  });
-
 }
 
 inherits(BpmnSnapping, Snapping);
@@ -261,7 +229,6 @@ BpmnSnapping.prototype.initSnap = function(event) {
   }
 };
 
-
 BpmnSnapping.prototype.addTargetSnaps = function(snapPoints, shape, target) {
 
   // snap shape to itself

lib/features/snapping/BpmnSnappingUtil.js

@@ -1,7 +1,4 @@
-import {
+import { getOrientation } from 'diagram-js/lib/layout/LayoutUtil';
-  getOrientation
-} from 'diagram-js/lib/layout/LayoutUtil';
-
 
 export function getBoundaryAttachment(position, targetBounds) {
 
@@ -13,146 +10,3 @@ export function getBoundaryAttachment(position, targetBounds) {
     return null;
   }
 }
-
-
-// participant snapping box implementation //////////////////////
-
-import { is } from '../../util/ModelUtil';
-
-import {
-  asTRBL
-} from 'diagram-js/lib/layout/LayoutUtil';
-
-import {
-  collectLanes,
-  getLanesRoot
-} from '../modeling/util/LaneUtil';
-
-var abs = Math.abs,
-    min = Math.min,
-    max = Math.max;
-
-
-function addToTrbl(trbl, attr, value, choice) {
-
-  var current = trbl[attr];
-
-  // make sure to set the value if it does not exist
-  // or apply the correct value by comparing against
-  // choice(value, currentValue)
-  trbl[attr] = current === undefined ? value : choice(value, current);
-}
-
-function addMin(trbl, attr, value) {
-  return addToTrbl(trbl, attr, value, min);
-}
-
-function addMax(trbl, attr, value) {
-  return addToTrbl(trbl, attr, value, max);
-}
-
-
-var LANE_MIN_HEIGHT = 60,
-    LANE_MIN_WIDTH = 300,
-    LANE_RIGHT_PADDING = 20,
-    LANE_LEFT_PADDING = 50,
-    LANE_TOP_PADDING = 20,
-    LANE_BOTTOM_PADDING = 20;
-
-
-export function getParticipantSizeConstraints(laneShape, resizeDirection, balanced) {
-
-  var lanesRoot = getLanesRoot(laneShape);
-
-  var isFirst = true,
-      isLast = true;
-
-  // max top/bottom size for lanes
-
-  var allLanes = collectLanes(lanesRoot, [ lanesRoot ]);
-
-  var laneTrbl = asTRBL(laneShape);
-
-  var maxTrbl = {},
-      minTrbl = {};
-
-  if (/e/.test(resizeDirection)) {
-    minTrbl.right = laneTrbl.left + LANE_MIN_WIDTH;
-  } else
-  if (/w/.test(resizeDirection)) {
-    minTrbl.left = laneTrbl.right - LANE_MIN_WIDTH;
-  }
-
-  allLanes.forEach(function(other) {
-
-    var otherTrbl = asTRBL(other);
-
-    if (/n/.test(resizeDirection)) {
-
-      if (otherTrbl.top < (laneTrbl.top - 10)) {
-        isFirst = false;
-      }
-
-      // max top size (based on next element)
-      if (balanced && abs(laneTrbl.top - otherTrbl.bottom) < 10) {
-        addMax(maxTrbl, 'top', otherTrbl.top + LANE_MIN_HEIGHT);
-      }
-
-      // min top size (based on self or nested element)
-      if (abs(laneTrbl.top - otherTrbl.top) < 5) {
-        addMin(minTrbl, 'top', otherTrbl.bottom - LANE_MIN_HEIGHT);
-      }
-    }
-
-    if (/s/.test(resizeDirection)) {
-
-      if (otherTrbl.bottom > (laneTrbl.bottom + 10)) {
-        isLast = false;
-      }
-
-      // max bottom size (based on previous element)
-      if (balanced && abs(laneTrbl.bottom - otherTrbl.top) < 10) {
-        addMin(maxTrbl, 'bottom', otherTrbl.bottom - LANE_MIN_HEIGHT);
-      }
-
-      // min bottom size (based on self or nested element)
-      if (abs(laneTrbl.bottom - otherTrbl.bottom) < 5) {
-        addMax(minTrbl, 'bottom', otherTrbl.top + LANE_MIN_HEIGHT);
-      }
-    }
-  });
-
-
-  // max top/bottom/left/right size based on flow nodes
-
-  var flowElements = lanesRoot.children.filter(function(s) {
-    return !s.hidden && !s.waypoints && (is(s, 'bpmn:FlowElement') || is(s, 'bpmn:Artifact'));
-  });
-
-  flowElements.forEach(function(flowElement) {
-
-    var flowElementTrbl = asTRBL(flowElement);
-
-    if (isFirst && /n/.test(resizeDirection)) {
-      addMin(minTrbl, 'top', flowElementTrbl.top - LANE_TOP_PADDING);
-    }
-
-    if (/e/.test(resizeDirection)) {
-      addMax(minTrbl, 'right', flowElementTrbl.right + LANE_RIGHT_PADDING);
-    }
-
-    if (isLast && /s/.test(resizeDirection)) {
-      addMax(minTrbl, 'bottom', flowElementTrbl.bottom + LANE_BOTTOM_PADDING);
-    }
-
-    if (/w/.test(resizeDirection)) {
-      addMin(minTrbl, 'left', flowElementTrbl.left - LANE_LEFT_PADDING);
-    }
-  });
-
-
-  return {
-    min: minTrbl,
-    max: maxTrbl
-  };
-}

test/spec/features/modeling/behavior/ResizeBehaviorSpec.js

@@ -0,0 +1,258 @@
+import {
+  bootstrapModeler,
+  inject
+} from 'test/TestHelper';
+
+import coreModule from 'lib/core';
+import modelingModule from 'lib/features/modeling';
+import resizeModule from 'diagram-js/lib/features/resize';
+import rulesModule from 'lib/features/rules';
+import snappingModule from 'lib/features/snapping';
+
+import {
+  createCanvasEvent as canvasEvent
+} from '../../../../util/MockEvents';
+
+var testModules = [
+  coreModule,
+  modelingModule,
+  resizeModule,
+  rulesModule,
+  snappingModule
+];
+
+
+describe('features/modeling - resize behavior', function() {
+
+  describe('participant', function() {
+
+    describe('minimum dimensions', function() {
+
+      var diagramXML = require('./ResizeBehavior.participant.bpmn');
+
+      beforeEach(bootstrapModeler(diagramXML, { modules: testModules }));
+
+
+      it('should snap to children from <se>', inject(function(dragging, elementRegistry, resize) {
+
+        // given
+        var participant = elementRegistry.get('Participant_2');
+
+        // when
+        resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
+
+        dragging.move(canvasEvent({ x: 0, y: 0 }));
+
+        dragging.end();
+
+        // then
+        expect(participant.width).to.equal(482);
+        expect(participant.height).to.equal(252);
+      }));
+
+
+      it('should snap to children from <nw>', inject(function(dragging, elementRegistry, resize) {
+
+        // given
+        var participant = elementRegistry.get('Participant_2');
+
+        // when
+        resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
+
+        dragging.move(canvasEvent({ x: 500, y: 500 }));
+
+        dragging.end();
+
+        // then
+        expect(participant.width).to.equal(467);
+        expect(participant.height).to.equal(287);
+      }));
+
+
+      it('should snap to min dimensions from <se>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var participant = elementRegistry.get('Participant_1');
+
+          // when
+          resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
+
+          dragging.move(canvasEvent({ x: 0, y: 0 }));
+
+          dragging.end();
+
+          // then
+          expect(participant.width).to.equal(300);
+          expect(participant.height).to.equal(60);
+        })
+      );
+
+
+      it('should snap to min dimensions from <nw>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var participant = elementRegistry.get('Participant_1');
+
+          // when
+          resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
+
+          dragging.move(canvasEvent({ x: 500, y: 500 }));
+
+          dragging.end();
+
+          // then
+          expect(participant.width).to.equal(300);
+          expect(participant.height).to.equal(60);
+        })
+      );
+
+
+      it('should snap to min dimensions + children from <se>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var participant = elementRegistry.get('Participant_3');
+
+          // when
+          resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
+
+          dragging.move(canvasEvent({ x: 0, y: 0 }));
+
+          dragging.end();
+
+          // then
+          expect(participant.width).to.equal(305);
+          expect(participant.height).to.equal(143);
+        })
+      );
+
+
+      it('should snap to min dimensions + children from <nw>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var participant = elementRegistry.get('Participant_3');
+
+          // when
+          resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
+
+          dragging.move(canvasEvent({ x: 500, y: 500 }));
+
+          dragging.end();
+
+          // then
+          expect(participant.width).to.equal(353);
+          expect(participant.height).to.equal(177);
+        })
+      );
+
+    });
+
+
+    describe('resize constraints', function() {
+
+      var diagramXML = require('./ResizeBehavior.lanes.bpmn');
+
+      beforeEach(bootstrapModeler(diagramXML, { modules: testModules }));
+
+
+      it('should snap to child lanes from <nw>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var participant = elementRegistry.get('Participant');
+
+          // when
+          resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
+
+          dragging.move(canvasEvent({ x: 500, y: 500 }));
+
+          dragging.end();
+
+          // then
+          expect(participant.width).to.equal(563);
+          expect(participant.height).to.equal(223);
+        })
+      );
+
+
+      it('should snap to nested child lanes from <se>', inject(
+        function(dragging, elementRegistry, resize) {
+
+          // given
+          var lane = elementRegistry.get('Lane_B_0');
+
+          // when
+          resize.activate(canvasEvent({ x: 0, y: 0 }), lane, 'se');
+
+          dragging.move(canvasEvent({ x: -500, y: -500 }));
+
+          dragging.end();
+
+          // then
+          expect(lane.width).to.equal(313);
+          expect(lane.height).to.equal(122);
+        })
+      );
+
+    });
+
+  });
+
+
+  describe('sub process', function() {
+
+    var diagramXML = require('./ResizeBehavior.subProcess.bpmn');
+
+    beforeEach(bootstrapModeler(diagramXML, { modules: testModules }));
+
+
+    it('should set minimum dimensions', inject(function(dragging, elementRegistry, resize) {
+
+      // given
+      var subProcess = elementRegistry.get('SubProcess');
+
+      // when
+      resize.activate(canvasEvent({ x: 0, y: 0 }), subProcess, 'se');
+
+      dragging.move(canvasEvent({ x: -400, y: -400 }));
+
+      dragging.end();
+
+      // then
+      expect(subProcess.width).to.equal(140);
+      expect(subProcess.height).to.equal(120);
+    }));
+
+  });
+
+
+  describe('text annotation', function() {
+
+    var diagramXML = require('./ResizeBehavior.textAnnotation.bpmn');
+
+    beforeEach(bootstrapModeler(diagramXML, { modules: testModules }));
+
+
+    it('should set minimum dimensions', inject(function(dragging, elementRegistry, resize) {
+
+      // given
+      var textAnnotation = elementRegistry.get('TextAnnotation');
+
+      // when
+      resize.activate(canvasEvent({ x: 0, y: 0 }), textAnnotation, 'se');
+
+      dragging.move(canvasEvent({ x: -400, y: -400 }));
+
+      dragging.end();
+
+      // then
+      expect(textAnnotation.width).to.equal(50);
+      expect(textAnnotation.height).to.equal(30);
+    }));
+
+  });
+
+});

test/spec/features/modeling/behavior/util/ResizeUtilSpec.js

@@ -3,7 +3,7 @@ import {
   inject
 } from 'test/TestHelper';
 
-var getParticipantSizeConstraints = require('lib/features/snapping/BpmnSnappingUtil').getParticipantSizeConstraints;
+import { getParticipantResizeConstraints } from 'lib/features/modeling/behavior/util/ResizeUtil';
 
 import coreModule from 'lib/core';
 
@@ -14,13 +14,13 @@ var LANE_MIN_HEIGHT = 60,
     LANE_BOTTOM_PADDING = 20;
 
 
-describe('features/snapping - BpmnSnappingUtil', function() {
+describe('modeling/behavior/util - Resize', function() {
 
-  describe('#getParticipantSizeConstraints', function() {
+  describe('#getParticipantResizeConstraints', function() {
 
     describe('lanes', function() {
 
-      var diagramXML = require('./BpmnSnappingUtil.lanes.bpmn');
+      var diagramXML = require('./ResizeUtil.lanes.bpmn');
 
       beforeEach(bootstrapModeler(diagramXML, { modules: [ coreModule ] }));
 
@@ -32,7 +32,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherLaneShape = elementRegistry.get('Lane_B');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 's');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 's');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -52,7 +52,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherLaneShape = elementRegistry.get('Lane_B');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 's');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 's');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -72,7 +72,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherLaneShape = elementRegistry.get('Nested_Lane_A');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'n');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'n');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -92,7 +92,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherLaneShape = elementRegistry.get('Nested_Lane_A');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'n');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'n');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -112,7 +112,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             aboveLaneShape = elementRegistry.get('Nested_Lane_A');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'n', true);
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'n', true);
 
         // then
         expect(sizeConstraints).to.eql({
@@ -134,7 +134,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherLaneShape = elementRegistry.get('Lane_B');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 's', true);
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 's', true);
 
         // then
         expect(sizeConstraints).to.eql({
@@ -153,7 +153,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
 
     describe('flowNodes', function() {
 
-      var diagramXML = require('./BpmnSnappingUtil.lanes-flowNodes.bpmn');
+      var diagramXML = require('./ResizeUtil.lanes-flowNodes.bpmn');
 
       beforeEach(bootstrapModeler(diagramXML, { modules: [ coreModule ] }));
 
@@ -165,7 +165,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             taskShape = elementRegistry.get('Task');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 's');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 's');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -185,7 +185,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             taskShape = elementRegistry.get('Task');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 's');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 's');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -205,7 +205,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             taskShape = elementRegistry.get('Task_Boundary');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'n');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'n');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -225,7 +225,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             taskShape = elementRegistry.get('Task_Boundary');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'n');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'n');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -245,7 +245,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherShape = elementRegistry.get('Boundary_label');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'w');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'w');
 
         // then
         expect(sizeConstraints).to.eql({
@@ -265,7 +265,7 @@ describe('features/snapping - BpmnSnappingUtil', function() {
             otherShape = elementRegistry.get('Task');
 
         // when
-        var sizeConstraints = getParticipantSizeConstraints(resizeShape, 'e');
+        var sizeConstraints = getParticipantResizeConstraints(resizeShape, 'e');
 
         // then
         expect(sizeConstraints).to.eql({

test/spec/features/snapping/BpmnSnappingSpec.js

@@ -13,7 +13,6 @@ import coreModule from 'lib/core';
 import snappingModule from 'lib/features/snapping';
 import modelingModule from 'lib/features/modeling';
 import createModule from 'diagram-js/lib/features/create';
-import resizeModule from 'diagram-js/lib/features/resize';
 import moveModule from 'diagram-js/lib/features/move';
 import rulesModule from 'lib/features/rules';
 import connectModule from 'diagram-js/lib/features/connect';
@@ -449,216 +448,13 @@ describe('features/snapping - BpmnSnapping', function() {
   });
 
 
-  describe('on Participant resize', function() {
-
-    describe('snap min bounds', function() {
-
-      var diagramXML = require('./BpmnSnapping.participant-resize.bpmn');
-
-      var testResizeModules = [
-        coreModule,
-        resizeModule,
-        modelingModule,
-        rulesModule,
-        snappingModule
-      ];
-
-      beforeEach(bootstrapModeler(diagramXML, { modules: testResizeModules }));
-
-
-      it('should snap to children from <se>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_2');
-
-        resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
-        dragging.move(canvasEvent({ x: 0, y: 0 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(482);
-        expect(participant.height).to.equal(252);
-      }));
-
-
-      it('should snap to children from <nw>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_2');
-
-        resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
-        dragging.move(canvasEvent({ x: 500, y: 500 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(467);
-        expect(participant.height).to.equal(287);
-      }));
-
-
-      it('should snap to min dimensions from <se>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_1');
-
-        resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
-        dragging.move(canvasEvent({ x: 0, y: 0 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(300);
-        expect(participant.height).to.equal(60);
-      }));
-
-
-      it('should snap to min dimensions from <nw>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_1');
-
-        resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
-        dragging.move(canvasEvent({ x: 500, y: 500 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(300);
-        expect(participant.height).to.equal(60);
-      }));
-
-
-      it('should snap to min dimensions + children from <se>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_3');
-
-        resize.activate(canvasEvent({ x: 500, y: 500 }), participant, 'se');
-        dragging.move(canvasEvent({ x: 0, y: 0 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(305);
-
-        // snap to children rather than min dimensions
-        expect(participant.height).to.equal(143);
-      }));
-
-
-      it('should snap to min dimensions + children from <nw>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant_3');
-
-        resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
-        dragging.move(canvasEvent({ x: 500, y: 500 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(353);
-        expect(participant.height).to.equal(177);
-      }));
-
-    });
-
-
-    describe('snap child lanes', function() {
-
-      var diagramXML = require('./BpmnSnapping.lanes-resize.bpmn');
-
-      var testResizeModules = [
-        coreModule,
-        resizeModule,
-        modelingModule,
-        rulesModule,
-        snappingModule
-      ];
-
-      beforeEach(bootstrapModeler(diagramXML, { modules: testResizeModules }));
-
-
-      it('should snap to child lanes from <nw>', inject(function(elementRegistry, resize, dragging) {
-
-        var participant = elementRegistry.get('Participant');
-
-        resize.activate(canvasEvent({ x: 0, y: 0 }), participant, 'nw');
-        dragging.move(canvasEvent({ x: 500, y: 500 }));
-        dragging.end();
-
-        expect(participant.width).to.equal(563);
-        expect(participant.height).to.equal(223);
-      }));
-
-
-      it('should snap to nested child lanes from <se>', inject(function(elementRegistry, resize, dragging) {
-
-        var lane = elementRegistry.get('Lane_B_0');
-
-        resize.activate(canvasEvent({ x: 0, y: 0 }), lane, 'se');
-        dragging.move(canvasEvent({ x: -500, y: -500 }));
-        dragging.end();
-
-        expect(lane.width).to.equal(313);
-        expect(lane.height).to.equal(122);
-      }));
-
-    });
-
-  });
-
-
-  describe('on SubProcess resize', function() {
-
-    var diagramXML = require('./BpmnSnapping.subProcess-resize.bpmn');
-
-    var testResizeModules = [
-      coreModule,
-      modelingModule,
-      resizeModule,
-      rulesModule,
-      snappingModule
-    ];
-
-    beforeEach(bootstrapModeler(diagramXML, { modules: testResizeModules }));
-
-
-    it('should snap to minimum bounds', inject(function(elementRegistry, resize, dragging) {
-
-      var subProcess = elementRegistry.get('SubProcess');
-
-      resize.activate(canvasEvent({ x: 0, y: 0 }), subProcess, 'se');
-      dragging.move(canvasEvent({ x: -400, y: -400 }));
-      dragging.end();
-
-      expect(subProcess.width).to.equal(140);
-      expect(subProcess.height).to.equal(120);
-    }));
-
-  });
-
-
-  describe('on TextAnnotation resize', function() {
-
-    var diagramXML = require('./BpmnSnapping.textAnnotation-resize.bpmn');
-
-    var testResizeModules = [
-      coreModule,
-      modelingModule,
-      resizeModule,
-      rulesModule,
-      snappingModule
-    ];
-
-    beforeEach(bootstrapModeler(diagramXML, { modules: testResizeModules }));
-
-
-    it('should snap to minimum bounds', inject(function(elementRegistry, resize, dragging) {
-
-      var textAnnotation = elementRegistry.get('TextAnnotation');
-
-      resize.activate(canvasEvent({ x: 0, y: 0 }), textAnnotation, 'se');
-      dragging.move(canvasEvent({ x: -400, y: -400 }));
-      dragging.end();
-
-      expect(textAnnotation.width).to.equal(50);
-      expect(textAnnotation.height).to.equal(30);
-    }));
-
-  });
-
-
   describe('labels', function() {
 
     var diagramXML = require('./BpmnSnapping.labels.bpmn');
 
     beforeEach(bootstrapModeler(diagramXML, { modules: testModules }));
 
+
     it('should snap to start events', inject(function(canvas, elementRegistry, move, dragging) {
 
       var label = elementRegistry.get('StartEvent_1_label'),