| /********************************************************************* |
| * Copyright (c) 2005, 2019 SAP SE |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * SAP SE - initial API, implementation and documentation |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| **********************************************************************/ |
| package org.eclipse.graphiti.platform.ga; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * The Class VisualState, a simple implementation of {@link IVisualState}. |
| */ |
| public class VisualState implements IVisualState { |
| |
| private ArrayList<IVisualStateChangeListener> changeListeners = new ArrayList<IVisualStateChangeListener>(); |
| |
| private int actionTargetFeedback = ACTION_TARGET_FEEDBACK_OFF; |
| |
| private int selectionFeedback = SELECTION_FEEDBACK_OFF; |
| |
| private int hoverFeedback = HOVER_OFF; |
| |
| public void addChangeListener(IVisualStateChangeListener listener) { |
| this.changeListeners.add(listener); |
| } |
| |
| public void removeChangeListener(IVisualStateChangeListener listener) { |
| this.changeListeners.remove(listener); |
| } |
| |
| /** |
| * Propagates the visual state change to registered listeners. |
| * |
| * @param e |
| * the {@link VisualStateChangedEvent } event |
| */ |
| protected void fireVisualStateChanged(VisualStateChangedEvent e) { |
| for (IVisualStateChangeListener listener : this.changeListeners) { |
| listener.visualStateChanged(e); |
| } |
| } |
| |
| public int getActionTargetFeedback() { |
| return this.actionTargetFeedback; |
| } |
| |
| public void setActionTargetFeedback(int feedback) { |
| int oldActionTargetFeedback = this.actionTargetFeedback; |
| this.actionTargetFeedback = feedback; |
| if (oldActionTargetFeedback != this.actionTargetFeedback) { |
| fireVisualStateChanged(new VisualStateChangedEvent(Type.ACTION_TARGET_FEEDBACK, oldActionTargetFeedback, feedback)); |
| } |
| } |
| |
| public int getSelectionFeedback() { |
| return this.selectionFeedback; |
| } |
| |
| public void setSelectionFeedback(int feedback) { |
| int oldSelectionFeedback = this.selectionFeedback; |
| this.selectionFeedback = feedback; |
| if (oldSelectionFeedback != this.selectionFeedback) { |
| fireVisualStateChanged(new VisualStateChangedEvent(Type.SELECTION, oldSelectionFeedback, feedback)); |
| } |
| } |
| |
| public void setHoverFeedback(int feedback) { |
| int oldHoverFeedback = this.hoverFeedback; |
| this.hoverFeedback = feedback; |
| if (oldHoverFeedback != this.hoverFeedback) { |
| fireVisualStateChanged(new VisualStateChangedEvent(Type.HOVER, oldHoverFeedback, feedback)); |
| } |
| |
| } |
| |
| public int getHoverFeedback() { |
| return this.hoverFeedback; |
| } |
| } |