chore(editor-actions): make dependencies optional

* Treat features as optional dependencies and register action
  only if feature exists
* Explicitly add features to the Modeler and NavigatedViewer types

lib/Modeler.js

@@ -6,24 +6,29 @@ import Viewer from './Viewer';
 
 import NavigatedViewer from './NavigatedViewer';
 
+import KeyboardMoveModule from 'diagram-js/lib/navigation/keyboard-move';
 import MoveCanvasModule from 'diagram-js/lib/navigation/movecanvas';
 import TouchModule from 'diagram-js/lib/navigation/touch';
 import ZoomScrollModule from 'diagram-js/lib/navigation/zoomscroll';
 
+import AlignElementsModule from 'diagram-js/lib/features/align-elements';
+import AutoPlaceModule from './features/auto-place';
+import AutoResizeModule from './features/auto-resize';
 import AutoScrollModule from 'diagram-js/lib/features/auto-scroll';
 import BendpointsModule from 'diagram-js/lib/features/bendpoints';
-import MoveModule from 'diagram-js/lib/features/move';
-import ResizeModule from 'diagram-js/lib/features/resize';
-import AutoResizeModule from './features/auto-resize';
-import AutoPlaceModule from './features/auto-place';
-import EditorActionsModule from './features/editor-actions';
 import ContextPadModule from './features/context-pad';
+import CopyPasteModule from 'diagram-js/lib/features/copy-paste';
+import DistributeElementsModule from './features/distribute-elements';
+import EditorActionsModule from './features/editor-actions';
 import KeyboardModule from './features/keyboard';
 import LabelEditingModule from './features/label-editing';
 import ModelingModule from './features/modeling';
+import MoveModule from 'diagram-js/lib/features/move';
 import PaletteModule from './features/palette';
 import ReplacePreviewModule from './features/replace-preview';
+import ResizeModule from 'diagram-js/lib/features/resize';
 import SnappingModule from './features/snapping';
+import SearchModule from './features/search';
 
 
 var initialDiagram =
@@ -187,6 +192,7 @@ Modeler.prototype._collectIds = function(definitions, context) {
 
 Modeler.prototype._interactionModules = [
   // non-modeling components
+  KeyboardMoveModule,
   MoveCanvasModule,
   TouchModule,
   ZoomScrollModule
@@ -194,20 +200,24 @@ Modeler.prototype._interactionModules = [
 
 Modeler.prototype._modelingModules = [
   // modeling components
-  AutoScrollModule,
-  BendpointsModule,
-  MoveModule,
-  ResizeModule,
-  AutoResizeModule,
+  AlignElementsModule,
   AutoPlaceModule,
-  EditorActionsModule,
+  AutoScrollModule,
+  AutoResizeModule,
+  BendpointsModule,
   ContextPadModule,
+  CopyPasteModule,
+  DistributeElementsModule,
+  EditorActionsModule,
   KeyboardModule,
   LabelEditingModule,
   ModelingModule,
+  MoveModule,
   PaletteModule,
   ReplacePreviewModule,
-  SnappingModule
+  ResizeModule,
+  SnappingModule,
+  SearchModule
 ];
 
 

lib/NavigatedViewer.js

@@ -2,6 +2,7 @@ import inherits from 'inherits';
 
 import Viewer from './Viewer';
 
+import KeyboardMoveModule from 'diagram-js/lib/navigation/keyboard-move';
 import MoveCanvasModule from 'diagram-js/lib/navigation/movecanvas';
 import ZoomScrollModule from 'diagram-js/lib/navigation/zoomscroll';
 
@@ -17,6 +18,7 @@ export default function NavigatedViewer(options) {
 inherits(NavigatedViewer, Viewer);
 
 NavigatedViewer.prototype._navigationModules = [
+  KeyboardMoveModule,
   MoveCanvasModule,
   ZoomScrollModule
 ];

lib/features/editor-actions/BpmnEditorActions.js

@@ -13,18 +13,49 @@ import {
 
 /**
  * Registers and executes BPMN specific editor actions.
+ *
+ * @param {Injector} injector
  */
-export default function BpmnEditorActions(
-    injector, canvas, elementRegistry,
-    selection, spaceTool, lassoTool,
-    handTool, globalConnect, distributeElements,
-    alignElements, directEditing, searchPad,
-    modeling) {
-
+export default function BpmnEditorActions(injector) {
   injector.invoke(EditorActions, this);
+}
 
-  this.register({
-    selectElements: function() {
+inherits(BpmnEditorActions, EditorActions);
+
+BpmnEditorActions.$inject = [
+  'injector'
+];
+
+/**
+ * Register default actions.
+ *
+ * @param {Injector} injector
+ */
+BpmnEditorActions.prototype._registerDefaultActions = function(injector) {
+
+  // (0) invoke super method
+
+  EditorActions.prototype._registerDefaultActions.call(this, injector);
+
+  // (1) retrieve optional components to integrate with
+
+  var canvas = injector.get('canvas', false);
+  var elementRegistry = injector.get('elementRegistry', false);
+  var selection = injector.get('selection', false);
+  var spaceTool = injector.get('spaceTool', false);
+  var lassoTool = injector.get('lassoTool', false);
+  var handTool = injector.get('handTool', false);
+  var globalConnect = injector.get('globalConnect', false);
+  var distributeElements = injector.get('distributeElements', false);
+  var alignElements = injector.get('alignElements', false);
+  var directEditing = injector.get('directEditing', false);
+  var searchPad = injector.get('searchPad', false);
+  var modeling = injector.get('modeling', false);
+
+  // (2) check components and register actions
+
+  if (canvas && elementRegistry && selection) {
+    this._registerAction('selectElements', function() {
       // select all elements except for the invisible
       // root element
       var rootElement = canvas.getRootElement();
@@ -36,28 +67,46 @@ export default function BpmnEditorActions(
       selection.select(elements);
 
       return elements;
-    },
-    spaceTool: function() {
+    });
+  }
+
+  if (spaceTool) {
+    this._registerAction('spaceTool', function() {
       spaceTool.toggle();
-    },
-    lassoTool: function() {
+    });
+  }
+
+  if (lassoTool) {
+    this._registerAction('lassoTool', function() {
       lassoTool.toggle();
-    },
-    handTool: function() {
+    });
+  }
+
+  if (handTool) {
+    this._registerAction('handTool', function() {
       handTool.toggle();
-    },
-    globalConnectTool: function() {
+    });
+  }
+
+  if (globalConnect) {
+    this._registerAction('globalConnectTool', function() {
       globalConnect.toggle();
-    },
-    distributeElements: function(opts) {
+    });
+  }
+
+  if (selection && distributeElements) {
+    this._registerAction('distributeElements', function(opts) {
       var currentSelection = selection.get(),
           type = opts.type;
 
       if (currentSelection.length) {
         distributeElements.trigger(currentSelection, type);
       }
-    },
-    alignElements: function(opts) {
+    });
+  }
+
+  if (selection && alignElements) {
+    this._registerAction('alignElements', function(opts) {
       var currentSelection = selection.get(),
           aligneableElements = [],
           type = opts.type;
@@ -69,25 +118,37 @@ export default function BpmnEditorActions(
 
         alignElements.trigger(aligneableElements, type);
       }
-    },
-    setColor: function(opts) {
+    });
+  }
+
+  if (selection && modeling) {
+    this._registerAction('setColor', function(opts) {
       var currentSelection = selection.get();
 
       if (currentSelection.length) {
         modeling.setColor(currentSelection, opts);
       }
-    },
-    directEditing: function() {
+    });
+  }
+
+  if (selection && directEditing) {
+    this._registerAction('directEditing', function() {
       var currentSelection = selection.get();
 
       if (currentSelection.length) {
         directEditing.activate(currentSelection[0]);
       }
-    },
-    find: function() {
+    });
+  }
+
+  if (searchPad) {
+    this._registerAction('find', function() {
       searchPad.toggle();
-    },
-    moveToOrigin: function() {
+    });
+  }
+
+  if (canvas && modeling) {
+    this._registerAction('moveToOrigin', function() {
       var rootElement = canvas.getRootElement(),
           boundingBox,
           elements;
@@ -104,25 +165,12 @@ export default function BpmnEditorActions(
 
       boundingBox = getBBox(elements);
 
-      modeling.moveElements(elements, { x: -boundingBox.x, y: -boundingBox.y }, rootElement);
-    }
-  });
-}
+      modeling.moveElements(
+        elements,
+        { x: -boundingBox.x, y: -boundingBox.y },
+        rootElement
+      );
+    });
+  }
 
-inherits(BpmnEditorActions, EditorActions);
-
-BpmnEditorActions.$inject = [
-  'injector',
-  'canvas',
-  'elementRegistry',
-  'selection',
-  'spaceTool',
-  'lassoTool',
-  'handTool',
-  'globalConnect',
-  'distributeElements',
-  'alignElements',
-  'directEditing',
-  'searchPad',
-  'modeling'
-];
+};

lib/features/editor-actions/index.js

@@ -1,29 +1,10 @@
-import AlignElementsModule from 'diagram-js/lib/features/align-elements';
 import EditorActionsModule from 'diagram-js/lib/features/editor-actions';
-import HandToolModule from 'diagram-js/lib/features/hand-tool';
-import LassoToolModule from 'diagram-js/lib/features/lasso-tool';
-import SpaceToolModule from 'diagram-js/lib/features/space-tool';
-import GlobalConnectModule from 'diagram-js/lib/features/global-connect';
-import DirectEditingModule from 'diagram-js-direct-editing';
-
-import CopyPasteModule from '../copy-paste';
-import DistributeElementsModule from '../distribute-elements';
-import SearchModule from '../search';
 
 import BpmnEditorActions from './BpmnEditorActions';
 
 export default {
   __depends__: [
-    AlignElementsModule,
-    EditorActionsModule,
-    HandToolModule,
-    LassoToolModule,
-    SpaceToolModule,
-    DirectEditingModule,
-    GlobalConnectModule,
-    CopyPasteModule,
-    DistributeElementsModule,
-    SearchModule
+    EditorActionsModule
   ],
   editorActions: [ 'type', BpmnEditorActions ]
 };