feat(contextPad): add color picker

Related to #1491

assets/bpmn-js.css

@@ -114,3 +114,60 @@
 .selected .bjs-drilldown-empty {
   display: inherit;
 }
+
+/* COLOR PICKER */
+
+.bpmn-color-picker .djs-popup-header {
+  display: flex;
+  width: 66px;
+  flex-wrap: wrap;
+  padding: 1px;
+}
+
+/* override popup menu to have color grid */
+[class^="color-icon-"],
+[class*=" color-icon-"] {
+  padding: 0 !important; 
+  margin: 1px !important;
+}
+
+[class^="color-icon-"]:before,
+[class*=" color-icon-"]:before {
+  display: flex;
+  content: '';
+  width: 16px;
+  height: 16px;
+  border-radius: 0.1em;
+  border: 0.03em solid black;
+  padding: 0;
+}
+
+.color-icon-default:before {
+  background-color: white;
+  border-color: black;
+}
+
+.color-icon-blue:before {
+  background-color: rgb(187, 222, 251);
+  border-color: rgb(30, 136, 229);
+}
+
+.color-icon-orange:before {
+  background-color: rgb(255, 224, 178);
+  border-color: rgb(251, 140, 0);
+}
+
+.color-icon-green:before {
+  background-color: rgb(200, 230, 201);
+  border-color: rgb(67, 160, 71);
+}
+
+.color-icon-red:before {
+  background-color: rgb(255, 205, 210);
+  border-color: rgb(229, 57, 53);
+}
+
+.color-icon-purple:before {
+  background-color: rgb(225, 190, 231);
+  border-color: rgb(142, 36, 170);
+}

lib/features/context-pad/ContextPadProvider.js

@@ -428,6 +428,33 @@ ContextPadProvider.prototype.getContextPadEntries = function(element) {
     });
   }
 
+
+  // color picker
+  var colorImageSvg = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2048 2048">' +
+    '<path d="M 1647.63 97.188 L 1248.282 497.465 L 1139.624 606.124 L 940.879 549.473 L 734.703 491.893 L 730.989 495.608 L 564.748 661.847 L 962.238 1059.336 L 1359.728 1456.827 L 1525.969 1290.587 L 1525.969 1289.658 L 1529.684 1286.873 L 1472.104 1080.698 L 1420.096 897.74 L 1534.327 783.509 L 1933.674 384.162 L 1647.63 97.188 Z M 446.802 781.652 L 76.244 1151.28 L 473.734 1548.77 L 871.224 1947.188 L 1241.783 1576.632 L 844.292 1179.142 L 446.802 781.652 Z"/>' +
+    '</svg>';
+
+  var colorImageUrl = 'data:image/svg+xml;utf8,' + encodeURIComponent(colorImageSvg);
+
+  assign(actions, {
+    'set-color': {
+      group: 'edit',
+      title: translate('Set color'),
+      imageUrl: colorImageUrl,
+      action: {
+        click: function(event, element) {
+          popupMenu.open(
+            element,
+            'bpmn-color-picker',
+            assign(getReplaceMenuPosition(element), {
+              cursor: { x: event.x, y: event.y }
+            })
+          );
+        }
+      }
+    } });
+
+
   // delete element entry, only show if allowed by rules
   var deleteAllowed = rules.allowed('elements.delete', { elements: [ element ] });
 

lib/features/popup-menu/ColorMenuProvider.js

@@ -0,0 +1,63 @@
+var COLORS = [{
+  title: 'Default',
+  fill: undefined,
+  stroke: undefined
+}, {
+  title: 'Blue',
+  fill: 'rgb(187, 222, 251)',
+  stroke: 'rgb(30, 136, 229)'
+}, {
+  title: 'Orange',
+  fill: 'rgb(255, 224, 178)',
+  stroke: 'rgb(251, 140, 0)'
+}, {
+  title: 'Green',
+  fill: 'rgb(200, 230, 201)',
+  stroke: 'rgb(67, 160, 71)'
+}, {
+  title: 'Red',
+  fill: 'rgb(255, 205, 210)',
+  stroke: 'rgb(229, 57, 53)'
+}, {
+  title: 'Purple',
+  fill: 'rgb(225, 190, 231)',
+  stroke: 'rgb(142, 36, 170)'
+}];
+
+
+export default function ColorMenuProvider(popupMenu, modeling, translate) {
+  this._popupMenu = popupMenu;
+  this._modeling = modeling;
+  this._translate = translate;
+
+  this.register();
+}
+
+ColorMenuProvider.prototype.register = function() {
+  this._popupMenu.registerProvider('bpmn-color-picker', this);
+};
+
+ColorMenuProvider.prototype.getEntries = function() {
+  return [];
+};
+
+ColorMenuProvider.prototype.getHeaderEntries = function(elements) {
+  var modeling = this._modeling;
+  var translate = this._translate;
+
+  return COLORS.map(function(color) {
+    return {
+      id: color.title.toLowerCase() + '-color',
+      title: translate(color.title),
+      className: 'color-icon-' + color.title.toLowerCase(),
+      action: function() {
+        modeling.setColor(elements, {
+          fill: color.fill,
+          stroke: color.stroke
+        });
+      }
+    };
+  });
+};
+
+ColorMenuProvider.$inject = ['popupMenu', 'modeling', 'translate'];

lib/features/popup-menu/index.js

@@ -1,6 +1,6 @@
 import PopupMenuModule from 'diagram-js/lib/features/popup-menu';
 import ReplaceModule from '../replace';
-
+import ColorMenuProvider from './ColorMenuProvider';
 import ReplaceMenuProvider from './ReplaceMenuProvider';
 
 
@@ -9,6 +9,11 @@ export default {
     PopupMenuModule,
     ReplaceModule
   ],
-  __init__: [ 'replaceMenuProvider' ],
+  __init__: [
-  replaceMenuProvider: [ 'type', ReplaceMenuProvider ]
+    'replaceMenuProvider',
+    'colorMenuProvider'
+  ],
+  replaceMenuProvider: [ 'type', ReplaceMenuProvider ],
+  colorMenuProvider: [ 'type', ColorMenuProvider ]
+
 };

test/spec/features/context-pad/ContextPadProviderSpec.js

@@ -207,7 +207,8 @@ describe('features - context-pad', function() {
         'append.gateway',
         'append.append-task',
         'append.intermediate-event',
-        'append.text-annotation'
+        'append.text-annotation',
+        'set-color'
       ]);
     }));
 
@@ -223,7 +224,8 @@ describe('features - context-pad', function() {
         'append.condition-intermediate-event',
         'append.signal-intermediate-event',
         'append.text-annotation',
-        '!append.task'
+        '!append.task',
+        'set-color'
       ]);
     }));
 
@@ -233,7 +235,8 @@ describe('features - context-pad', function() {
       expectContextPadEntries('EndEvent_1', [
         'connect',
         'replace',
-        '!append.task'
+        '!append.task',
+        'set-color'
       ]);
     }));
 
@@ -244,7 +247,8 @@ describe('features - context-pad', function() {
         'connect',
         'replace',
         '!append.end-event',
-        'append.text-annotation'
+        'append.text-annotation',
+        'set-color'
       ]);
     }));
 
@@ -255,7 +259,8 @@ describe('features - context-pad', function() {
         'connect',
         'replace',
         'append.compensation-activity',
-        '!append.end-event'
+        '!append.end-event',
+        'set-color'
       ]);
     }));
 
@@ -266,7 +271,8 @@ describe('features - context-pad', function() {
         'connect',
         'append.text-annotation',
         'replace',
-        '!append.end-event'
+        '!append.end-event',
+        'set-color'
       ]);
     }));
 
@@ -277,7 +283,8 @@ describe('features - context-pad', function() {
         'connect',
         'append.text-annotation',
         'replace',
-        '!append.end-event'
+        '!append.end-event',
+        'set-color'
       ]);
     }));
 
@@ -287,7 +294,8 @@ describe('features - context-pad', function() {
       expectContextPadEntries('Group_1', [
         'append.text-annotation',
         'delete',
-        '!replace'
+        '!replace',
+        'set-color'
       ]);
     }));
 
@@ -298,7 +306,8 @@ describe('features - context-pad', function() {
         'connect',
         'delete',
         '!replace',
-        '!append.text-annotation'
+        '!append.text-annotation',
+        'set-color'
       ]);
     }));
 
@@ -620,6 +629,45 @@ describe('features - context-pad', function() {
 
   });
 
+
+  describe('set-color', function() {
+
+    var diagramXML = require('../../../fixtures/bpmn/simple.bpmn');
+
+    beforeEach(bootstrapModeler(diagramXML, {
+      modules: testModules
+    }));
+
+    var container;
+
+    beforeEach(function() {
+      container = TestContainer.get(this);
+    });
+
+
+    it('should show popup menu in the correct position', inject(function(elementRegistry, contextPad) {
+
+      // given
+      var element = elementRegistry.get('StartEvent_1'),
+          padding = 5,
+          padMenuRect,
+          colorMenuRect;
+
+      contextPad.open(element);
+
+      // when
+      contextPad.trigger('click', padEvent('set-color'));
+
+      padMenuRect = contextPad.getPad(element).html.getBoundingClientRect();
+      colorMenuRect = domQuery('.bpmn-color-picker', container).getBoundingClientRect();
+
+      // then
+      expect(colorMenuRect.left).to.be.at.most(padMenuRect.left);
+      expect(colorMenuRect.top).to.be.at.most(padMenuRect.bottom + padding);
+    }));
+
+  });
+
 });
 
 

test/spec/features/popup-menu/ColorMenuProviderSpec.js

@@ -0,0 +1,103 @@
+import {
+  bootstrapModeler,
+  getBpmnJS,
+  inject
+} from 'test/TestHelper';
+
+import {
+  createEvent as globalEvent
+} from '../../../util/MockEvents';
+
+import coreModule from 'lib/core';
+import modelingModule from 'lib/features/modeling';
+import colorMenuProvider from 'lib/features/popup-menu';
+
+import {
+  query as domQuery,
+  queryAll as domQueryAll
+} from 'min-dom';
+
+describe('features/popup-menu - replace menu provider', function() {
+
+  var simpleXML= require('../../../fixtures/bpmn/simple.bpmn');
+
+  var testModules = [
+    coreModule,
+    colorMenuProvider,
+    modelingModule
+  ];
+
+  beforeEach(bootstrapModeler(simpleXML, { modules: testModules }));
+
+
+  it('should show all color options', inject(function(elementRegistry) {
+    var task = elementRegistry.get('Task_1');
+
+    openPopup(task);
+
+    var entries = queryEntries();
+
+    expect(entries).to.have.lengthOf(6);
+
+  }));
+
+
+  it('should call setColor', inject(function(modeling, elementRegistry) {
+    var spy = sinon.spy(modeling, 'setColor');
+    var task = elementRegistry.get('Task_1');
+
+    openPopup(task);
+
+    triggerAction('blue-color');
+
+    expect(spy).to.have.been.calledWith(
+      task,
+      {
+        fill: 'rgb(187, 222, 251)',
+        stroke: 'rgb(30, 136, 229)'
+      }
+    );
+
+  }));
+
+});
+
+
+
+// helpers ////////////
+
+function openPopup(element, offset) {
+  offset = offset || 100;
+
+  getBpmnJS().invoke(function(popupMenu) {
+
+    popupMenu.open(element, 'bpmn-color-picker', {
+      x: element.x + offset, y: element.y + offset
+    });
+
+  });
+}
+
+function queryEntry(id) {
+  var container = getBpmnJS().get('canvas').getContainer();
+
+  return domQuery('.djs-popup [data-id="' + id + '"]', container);
+}
+
+function queryEntries() {
+  var container = getBpmnJS().get('canvas').getContainer();
+
+  return domQueryAll('.djs-popup .entry', container);
+}
+
+function triggerAction(id) {
+  var entry = queryEntry(id);
+
+  if (!entry) {
+    throw new Error('entry "'+ id +'" not found in replace menu');
+  }
+
+  var popupMenu = getBpmnJS().get('popupMenu');
+
+  return popupMenu.trigger(globalEvent(entry, { x: 0, y: 0 }));
+}