| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2005, the JUNG Project and the Regents of the University | |
| 3 | * of California | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * This software is open-source under the BSD license; see either | |
| 7 | * "license.txt" or | |
| 8 | * http://jung.sourceforge.net/license.txt for a description. | |
| 9 | * Created on Mar 8, 2005 | |
| 10 | * | |
| 11 | */ | |
| 12 | package edu.uci.ics.jung.visualization; | |
| 13 | ||
| 14 | import edu.uci.ics.jung.visualization.control.LayoutScalingControl; | |
| 15 | import edu.uci.ics.jung.visualization.control.PluggableGraphMouse; | |
| 16 | import edu.uci.ics.jung.visualization.control.ScalingGraphMousePlugin; | |
| 17 | import edu.uci.ics.jung.visualization.control.TranslatingGraphMousePlugin; | |
| 18 | ||
| 19 | ||
| 20 | /** | |
| 21 | * ZoomPanGraphMouse is a PluggableGraphMouse class that includes | |
| 22 | * zoom via the mouse wheel, and pan via a mouse drag | |
| 23 | * | |
| 24 | * | |
| 25 | * @author Tom Nelson | |
| 26 | */ | |
| 27 | public class ZoomPanGraphMouse extends PluggableGraphMouse { | |
| 28 | ||
| 29 | protected TranslatingGraphMousePlugin translatingPlugin; | |
| 30 | protected ScalingGraphMousePlugin scalingPlugin; | |
| 31 | ||
| 32 | /** | |
| 33 | * create an instance with default zoom in/out values | |
| 34 | * @deprecated no need to pass a VisualizationViewer in constructor | |
| 35 | * @param vv the VisualizationViewer not used | |
| 36 | */ | |
| 37 | public ZoomPanGraphMouse(VisualizationViewer vv) { | |
| 38 | 0 | this(1.1f, 1/1.1f); |
| 39 | 0 | } |
| 40 | ||
| 41 | /** | |
| 42 | * create an instance with passed zoom in/out values | |
| 43 | * @deprecated no need to pass a VisualizationViewer | |
| 44 | * @param vv the VisualizationViewer - not used | |
| 45 | * @param in zoom in value | |
| 46 | * @param out zoom out value | |
| 47 | */ | |
| 48 | public ZoomPanGraphMouse(VisualizationViewer vv, float in, float out) { | |
| 49 | 0 | this(in, out); |
| 50 | 0 | } |
| 51 | ||
| 52 | public ZoomPanGraphMouse() { | |
| 53 | 0 | this(1.1f, 1/1.1f); |
| 54 | 0 | } |
| 55 | ||
| 56 | 0 | public ZoomPanGraphMouse(float in, float out) { |
| 57 | 0 | translatingPlugin = new TranslatingGraphMousePlugin(); |
| 58 | 0 | scalingPlugin = new ScalingGraphMousePlugin(new LayoutScalingControl(), 0, in, out); |
| 59 | 0 | add(translatingPlugin); |
| 60 | 0 | add(scalingPlugin); |
| 61 | 0 | } |
| 62 | ||
| 63 | /** | |
| 64 | * @param zoomAtMouse The zoomAtMouse to set. | |
| 65 | */ | |
| 66 | public void setZoomAtMouse(boolean zoomAtMouse) { | |
| 67 | 0 | scalingPlugin.setZoomAtMouse(zoomAtMouse); |
| 68 | 0 | } |
| 69 | } |
|
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