all files / bpmn-js/lib/features/keyboard/ BpmnKeyboardBindings.js

86.54% Statements 45/52
73.33% Branches 22/30
100% Functions 10/10
86.54% Lines 45/52
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import inherits from 'inherits';
 
import KeyboardBindings from 'diagram-js/lib/features/keyboard/KeyboardBindings';
 
 
/**
 * BPMN 2.0 specific keyboard bindings.
 *
 * @param {Injector} injector
 */
export default function BpmnKeyboardBindings(injector) {
  injector.invoke(KeyboardBindings, this);
}
 
inherits(BpmnKeyboardBindings, KeyboardBindings);
 
BpmnKeyboardBindings.$inject = [
  'injector'
];
 
 
/**
 * Register available keyboard bindings.
 *
 * @param {Keyboard} keyboard
 * @param {EditorActions} editorActions
 */
BpmnKeyboardBindings.prototype.registerBindings = function(keyboard, editorActions) {
 
  // inherit default bindings
  KeyboardBindings.prototype.registerBindings.call(this, keyboard, editorActions);
 
  /**
   * Add keyboard binding if respective editor action
   * is registered.
   *
   * @param {String} action name
   * @param {Function} fn that implements the key binding
   */
  function addListener(action, fn) {
 
    Eif (editorActions.isRegistered(action)) {
      keyboard.addListener(fn);
    }
  }
 
  // select all elements
  // CTRL + A
  addListener('selectElements', function(context) {
 
    var event = context.keyEvent;
 
    if (keyboard.isKey(['a', 'A'], event) && keyboard.isCmd(event)) {
      editorActions.trigger('selectElements');
 
      return true;
    }
  });
 
  // search labels
  // CTRL + F
  addListener('find', function(context) {
 
    var event = context.keyEvent;
 
    if (keyboard.isKey(['f', 'F'], event) && keyboard.isCmd(event)) {
      editorActions.trigger('find');
 
      return true;
    }
  });
 
  // activate space tool
  // S
  addListener('spaceTool', function(context) {
 
    var event = context.keyEvent;
 
    Iif (keyboard.hasModifier(event)) {
      return;
    }
 
    if (keyboard.isKey(['s', 'S'], event)) {
      editorActions.trigger('spaceTool');
 
      return true;
    }
  });
 
  // activate lasso tool
  // L
  addListener('lassoTool', function(context) {
 
    var event = context.keyEvent;
 
    Iif (keyboard.hasModifier(event)) {
      return;
    }
 
    if (keyboard.isKey(['l', 'L'], event)) {
      editorActions.trigger('lassoTool');
 
      return true;
    }
  });
 
  // activate hand tool
  // H
  addListener('handTool', function(context) {
 
    var event = context.keyEvent;
 
    Iif (keyboard.hasModifier(event)) {
      return;
    }
 
    Iif (keyboard.isKey(['h', 'H'], event)) {
      editorActions.trigger('handTool');
 
      return true;
    }
  });
 
  // activate global connect tool
  // C
  addListener('globalConnectTool', function(context) {
 
    var event = context.keyEvent;
 
    Iif (keyboard.hasModifier(event)) {
      return;
    }
 
    if (keyboard.isKey(['c', 'C'], event)) {
      editorActions.trigger('globalConnectTool');
 
      return true;
    }
  });
 
  // activate direct editing
  // E
  addListener('directEditing', function(context) {
 
    var event = context.keyEvent;
 
    Iif (keyboard.hasModifier(event)) {
      return;
    }
 
    Eif (keyboard.isKey(['e', 'E'], event)) {
      editorActions.trigger('directEditing');
 
      return true;
    }
  });
 
};