update

ebpm-process-modeler/public/js/bpmn-js/lib/features/search/BpmnSearchProvider.js

@@ -0,0 +1,129 @@
+import {
+  map,
+  filter,
+  sortBy
+} from 'min-dash';
+
+import {
+  getLabel
+} from '../label-editing/LabelUtil';
+
+
+/**
+ * Provides ability to search through BPMN elements
+ */
+export default function BpmnSearchProvider(elementRegistry, searchPad, canvas) {
+
+  this._elementRegistry = elementRegistry;
+  this._canvas = canvas;
+
+  searchPad.registerProvider(this);
+}
+
+BpmnSearchProvider.$inject = [
+  'elementRegistry',
+  'searchPad',
+  'canvas'
+];
+
+
+/**
+ * Finds all elements that match given pattern
+ *
+ * <Result> :
+ *  {
+ *    primaryTokens: <Array<Token>>,
+ *    secondaryTokens: <Array<Token>>,
+ *    element: <Element>
+ *  }
+ *
+ * <Token> :
+ *  {
+ *    normal|matched: <String>
+ *  }
+ *
+ * @param  {String} pattern
+ * @return {Array<Result>}
+ */
+BpmnSearchProvider.prototype.find = function(pattern) {
+  var rootElement = this._canvas.getRootElement();
+
+  var elements = this._elementRegistry.filter(function(element) {
+    if (element.labelTarget) {
+      return false;
+    }
+    return true;
+  });
+
+  // do not include root element
+  elements = filter(elements, function(element) {
+    return element !== rootElement;
+  });
+
+  elements = map(elements, function(element) {
+    return {
+      primaryTokens: matchAndSplit(getLabel(element), pattern),
+      secondaryTokens: matchAndSplit(element.id, pattern),
+      element: element
+    };
+  });
+
+  // exclude non-matched elements
+  elements = filter(elements, function(element) {
+    return hasMatched(element.primaryTokens) || hasMatched(element.secondaryTokens);
+  });
+
+  elements = sortBy(elements, function(element) {
+    return getLabel(element.element) + element.element.id;
+  });
+
+  return elements;
+};
+
+
+function hasMatched(tokens) {
+  var matched = filter(tokens, function(t) {
+    return !!t.matched;
+  });
+
+  return matched.length > 0;
+}
+
+
+function matchAndSplit(text, pattern) {
+  var tokens = [],
+      originalText = text;
+
+  if (!text) {
+    return tokens;
+  }
+
+  text = text.toLowerCase();
+  pattern = pattern.toLowerCase();
+
+  var i = text.indexOf(pattern);
+
+  if (i > -1) {
+    if (i !== 0) {
+      tokens.push({
+        normal: originalText.substr(0, i)
+      });
+    }
+
+    tokens.push({
+      matched: originalText.substr(i, pattern.length)
+    });
+
+    if (pattern.length + i < text.length) {
+      tokens.push({
+        normal: originalText.substr(pattern.length + i, text.length)
+      });
+    }
+  } else {
+    tokens.push({
+      normal: originalText
+    });
+  }
+
+  return tokens;
+}

ebpm-process-modeler/public/js/bpmn-js/lib/features/search/index.js

@@ -0,0 +1,12 @@
+import SearchPadModule from 'diagram-js/lib/features/search-pad';
+
+import BpmnSearchProvider from './BpmnSearchProvider';
+
+
+export default {
+  __depends__: [
+    SearchPadModule
+  ],
+  __init__: [ 'bpmnSearch'],
+  bpmnSearch: [ 'type', BpmnSearchProvider ]
+};