objectviewerinterface.java

用于GIS(全球地理系统)的分析和处理的代码。

			objectViewerThemeProperties.getFillInSelectionColor());
		themeSelectShadeStyle.setLineColor(
			objectViewerThemeProperties.getOutlineSelectionColor());
		t.setSelectionStyle(themeSelectShadeStyle);

		themeSelectMgr.addSelectionChangedListener(new SelectionChangedListener() {
			public void selectionChanged(SelectionChangedEvent hce) {
				System.out.println("Selection sur un theme ...");
				selectedObjects = new Vector();
				for (int i = 0; i < themesPropertiesList.size(); i++) {
					Theme activetheme = ((ObjectViewerThemeProperties) (themesPropertiesList.get(i))).getObjectViewerTheme();
					if (isActive(activetheme)) {
						System.out.println("Themes: " + activetheme.getName());
						GeoData activethemeGeoData = activetheme.getGeoData();
	
						int[] selectedIdObjects = activetheme.getSelectionManager().getSelection();
						Vector selectedIdObjectsNotNullVector = new Vector();
						int nbselectedIdObjects = selectedIdObjects.length;
						for (int j = 0; j < nbselectedIdObjects; j++) {
							if (selectedIdObjects[j] != -1) {
								System.out.println("	ObjectID: " + selectedIdObjects[j]);
								selectedIdObjectsNotNullVector.add(new Integer (selectedIdObjects[j]));
							}
						}
						int[] selectedIdObjectsNotNullArray = new int[selectedIdObjectsNotNullVector.size()];
						for (int j=0; j < selectedIdObjectsNotNullArray.length; j++)
							selectedIdObjectsNotNullArray[j] = ((Integer)selectedIdObjectsNotNullVector.get(j)).intValue();
						selectedObjects.add (new ObjectsIDAndSource (selectedIdObjectsNotNullArray,
											((ObjectViewerThemeProperties)themesPropertiesList.get(i)).getDataSource() ));
					}
				}
			}
		});
		t.setSelectionManager(themeSelectMgr);
		objectViewerThemeProperties.setThemeSelectionManager(t.getSelectionManager());

	}


	/** Display objects stored in the FeatureCollection, with a given name. */
	protected void addAShapefileTheme(URL url) {
		ShapefileReader sfr = new ShapefileReader(url);
		final Theme t = sfr.getTheme();
		String theme_name = t.getName();
		String shapefile_name = theme_name.substring(theme_name.lastIndexOf("/") + 1);
		t.setName(shapefile_name);
		this.addTheme(t, Utils.SHAPEFILE, sfr);
	}


	/** Display objects stored in the FeatureCollection, in a Theme with the given name. */
	protected void addAFeatureCollectionTheme(FT_FeatureCollection fColl, String themeName) {
		GeOxygeneReader geOxyRead = new GeOxygeneReader (fColl);
		final Theme t = geOxyRead.getTheme();
		t.setName(themeName);
		this.addTheme(t, Utils.GEOXYGENE, geOxyRead);	
	}
	
	
	/** Refresh the FeatureCollection displayed in the viewer with this given name. */	
	protected void refreshAFeatureCollectionTheme (FT_FeatureCollection fColl, String themeName) {
		// Get the GeOxygeneReader of this collection
		if (themesPropertiesList.size() > 0) {
			for (int i=0; i<themesPropertiesList.size(); i++) {
				ObjectViewerThemeProperties oldThemeProp = (ObjectViewerThemeProperties) themesPropertiesList.get(i);
				Theme oldTheme = oldThemeProp.getObjectViewerTheme();
				// theme exists !!
				if (oldThemeProp.getDataSourceType().equals (Utils.GEOXYGENE) && oldTheme.getName().equals(themeName)) {
					GeOxygeneReader oldGeOxyRead = (GeOxygeneReader) oldThemeProp.getDataSource();
					int index = themesPropertiesList.indexOf(oldThemeProp);
					view.removeStaticTheme(oldTheme);
					GeOxygeneReader newGeOxyRead = new GeOxygeneReader (fColl);
					final Theme newTheme = newGeOxyRead.getTheme();
					newTheme.setName(themeName);
					this.setTheme(newTheme, Utils.GEOXYGENE, newGeOxyRead, index, oldThemeProp.isActive(), oldThemeProp.isVisible());
					activeThemes.remove (oldTheme);
					activeThemes.add(newTheme);		
					return;
				}				
			}
		}
		// Theme doesn't exist yet 
		System.out.println(" ## REFRESH : the Theme doesn't exist yet ! ");
		return;
	}
	
	
	/** Refresh the FeatureCollection displayed in the viewer with this given name with this feature.
	 * The feature must already belong to the collection. */
	// ATTENTION apres un refresh, le highlight manager continue a etre active meme si le theme est deselectionne ...
	public void refreshAFeatureCollectionTheme (FT_Feature feature, String themeName) {
		// Get the GeOxygeneReader of this collection
		if (themesPropertiesList.size() > 0) {
			for (int i=0; i<themesPropertiesList.size(); i++) {
				ObjectViewerThemeProperties themeProp = (ObjectViewerThemeProperties) themesPropertiesList.get(i);
				Theme theme = themeProp.getObjectViewerTheme();
				// theme exists !!
				if (themeProp.getDataSourceType().equals (Utils.GEOXYGENE) && theme.getName().equals(themeName)) {
					GeOxygeneReader geOxyRead = (GeOxygeneReader) themeProp.getDataSource();
					FT_FeatureCollection fColl = geOxyRead.getFeatureCollection();
					if (! fColl.getElements().contains(feature)) {
						System.out.println(" ## REFRESH : the Feature Collection does not contain the Feature !");
						return;
					}
					geOxyRead.refreshFeature(feature);
					return;
				}
			}
		}
		// Theme doesn't exist yet 
		System.out.println(" ## REFRESH : the Theme doesn't exist yet ! ");
		return;				
				
	}	
	
	
	/** Display a JPEG image */
	protected void addAnImageTheme (String fileName, int x, int y, int width, int height) {
		File fichier=new File(fileName);
		System.out.println(fichier.getAbsolutePath());
		try {
			FileInputStream fis=new FileInputStream(fichier);			
			ImageLayer imageLayer = new ImageLayer(	fis, new GeoRectangle(x,y,width,height));
			Theme t = new Theme (imageLayer);
			String theme_name = fileName.substring(fileName.lastIndexOf("/") + 1, fileName.lastIndexOf("."));
			t.setName(theme_name);
			this.addTheme(t, Utils.IMAGE, new ImageReader());
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	
	protected Vector getSelectedObjects() {
		return selectedObjects;
	}
	
	
	protected Vector getActiveThemes () {
		return activeThemes;
	}
	
	
	private boolean isActive (Theme t) {
		if (activeThemes.contains(t)) return true;
		else return false;
	}
	
	
	private void setThemeButton (int index, ObjectViewerThemeProperties prop) {
		// Init "theme button"
		ObjectViewerThemeButton theme_chkbox =	new ObjectViewerThemeButton(this, prop);

		// Add a popup for the "theme button"
		ObjectViewerThemePopupMenu ThemePopup = new ObjectViewerThemePopupMenu(this,theme_chkbox,prop);

		// Add a listener for popups.
		MouseListener popupListener = new PopupListener(ThemePopup);
		theme_chkbox.addMouseListener(popupListener);		
		
		// Get "theme button" and remove it
		panel_themes.add(theme_chkbox,index);
		panel_themes.add(Box.createVerticalStrut(2));
		theme_chkbox.setPreferredSize(new Dimension(177, 30));
		theme_chkbox.setMaximumSize(new Dimension(177, 30));

	}
		
	
	/** Move up a theme */
	protected void upTheme (Theme t) {
		for (int k=1; k<themesPropertiesList.size(); k++) {
			ObjectViewerThemeProperties thPr1 = (ObjectViewerThemeProperties) themesPropertiesList.get(k);
			Theme t1 = thPr1.getObjectViewerTheme();
			if ( t1.equals(t)) {
				ObjectViewerThemeProperties thPr0 = (ObjectViewerThemeProperties) themesPropertiesList.get(k-1);
				Theme t0 = thPr0.getObjectViewerTheme();
				view.swapThemes(t0,t1);
				themesPropertiesList.set(k-1,thPr1);
				themesPropertiesList.set(k,thPr0);				
				panel_themes.remove(k-1);					
				setThemeButton(k-1,thPr1);
				panel_themes.remove(k);
				setThemeButton(k,thPr0);
				panel_themes.revalidate();
				panel_themes.repaint();		
				break;
			}
		}
	}
	
	
	/** Moves down a theme */
	protected void downTheme (Theme t) {
		for (int k=0; k<themesPropertiesList.size()-1; k++) {
			ObjectViewerThemeProperties thPr1 = (ObjectViewerThemeProperties) themesPropertiesList.get(k);
			Theme t1 = thPr1.getObjectViewerTheme();
			if ( t1.equals(t)) {	
				ObjectViewerThemeProperties thPr0 = (ObjectViewerThemeProperties) themesPropertiesList.get(k+1);
				Theme t0 = thPr0.getObjectViewerTheme();
				view.swapThemes(t0,t1);
				themesPropertiesList.set(k+1,thPr1);
				themesPropertiesList.set(k,thPr0);				
				panel_themes.remove(k+1);					
				setThemeButton(k+1,thPr1);
				panel_themes.remove(k);
				setThemeButton(k,thPr0);
				panel_themes.revalidate();
				panel_themes.repaint();						
				break;
			}
		}
	}
	
	
	protected void removeTheme (ObjectViewerThemeProperties prop) {
		int index = themesPropertiesList.indexOf(prop);
		Theme t = prop.getObjectViewerTheme();
		view.setThemeIsVisible(t,false,true);
	    panel_themes.remove(index);
		panel_themes.revalidate();
		panel_themes.repaint();
		view.removeStaticTheme(t);
		activeThemes.remove(t);
		themesPropertiesList.remove(index);		
	}
	
	
	/** Structure for IDs and DataSource */
	protected class ObjectsIDAndSource {
		public int[] objectsID;
		public DataSource source;
		public ObjectsIDAndSource (int[] ids, DataSource s) {
			objectsID = ids;
			source = s;
		}
		public int[] getObjectsID() {
			return objectsID;
		}
		public DataSource getDataSource() {
			return source;
		}
	}
		
}