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1 package de.mpg.mpiwg.itgroup.digilib.manipulator.extensions;
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2
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3 import java.io.InputStream;
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4
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5 import org.eclipse.swt.graphics.Image;
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6 import org.eclipse.swt.widgets.Composite;
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7
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8 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImageController;
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9 import de.mpg.mpiwg.itgroup.digilib.manipulator.IDigilibImageManipulator;
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10
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9
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11 /**
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12 * Abstract class where all Digilib Manipulator extensions shoud be derived from
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13 *
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14 * @author dwinter
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15 *
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16 */
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17 public abstract class ManipulatorExtension implements IDigilibImageManipulator {
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18
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19 private String iconOff;
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20 private String iconOn;
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21
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22 private String imagePath;
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23 private String keyword;
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24
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25
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26 /* (non-Javadoc)
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27 * @see de.mpg.mpiwg.itgroup.digilib.manipulator.IDigilibImageManipulator#getKeyword()
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28 */
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29 public String getKeyword() {
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30 return keyword;
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31 }
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32
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33
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34 /* (non-Javadoc)
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35 * @see de.mpg.mpiwg.itgroup.digilib.manipulator.IDigilibImageManipulator#run(de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImageController)
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36 */
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37 public void run(DigiImageController dc) {};
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38
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39
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40 /**
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41 * Set path to icon. path is path with in classpath
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42 * @param ip
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43 */
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44 public void setImagePath(String ip) {
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45 imagePath=ip;
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46
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47 }
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48
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49 /**
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50 * @return path to the current icon within the class path
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51 */
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52 public String getImagePath() {
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53 return imagePath;
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54
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55 }
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56
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57 /**
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58 * @param keyword keyword which identifies the extension, used by
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59 * @see {@link de.mpg.mpiwg.itgroup.digilib.manipulator.DigilibImageManipulatorProvider}.
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60 *
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61 */
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62 public void setKeyword(String keyword) {
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63 this.keyword = keyword;
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64 }
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65
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66 /* (non-Javadoc)
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67 * @see de.mpg.mpiwg.itgroup.digilib.manipulator.IDigilibImageManipulator#createImage(org.eclipse.swt.widgets.Composite)
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68 */
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69 public Image createImage(Composite parent) {
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70 InputStream is = getClass().getResourceAsStream(getImagePath());
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71 Image img = new Image(parent.getDisplay(),is);
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72 return img;
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73 }
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74
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75 /**
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76 * Toggle selection state of the navigation icon
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77 */
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78 public void toggleIcon(){
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79 if(imagePath.equals(iconOff)){
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80 setImagePath(iconOn);
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81 } else {
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82 setImagePath(iconOff);
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83 }
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84 }
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85
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86 /**
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87 * Set icon to off state.
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88 */
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89 public void setOffIcon(){
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90 setImagePath(iconOff);
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91 }
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92
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93 /**
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94 * Setze die Pfade zu den Icons innerhalb des class path.
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95 * @param iconOff
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96 * @param iconOn
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97 */
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98 public void setIconPaths(String iconOff, String iconOn) {
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99 this.iconOff=iconOff;
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100 this.iconOn=iconOn;
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101
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102 }
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103
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104 }
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