configsectionplugins.java

这是一个基于java编写的torrent的P2P源码

		
		String sAppPluginDir;
		
		try{
			sAppPluginDir = fAppPluginDir.getCanonicalPath();
		}catch( Throwable e ){
			sAppPluginDir = fAppPluginDir.toString();
		}

		if (!sAppPluginDir.endsWith(sep)) {
			sAppPluginDir += sep;
		}

		label = new Label(infoGroup, SWT.WRAP);
		label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		Messages.setLanguageText(label, "ConfigView.pluginlist.whereToPut");

		label = new Label(infoGroup, SWT.WRAP);
		gridData = new GridData(GridData.FILL_HORIZONTAL);
		gridData.horizontalIndent = 10;
		label.setLayoutData(gridData);
		label.setText(sUserPluginDir.replaceAll("&", "&&"));
		label.setForeground(Colors.blue);
		label.setCursor(Cursors.handCursor);

		final String _sUserPluginDir = sUserPluginDir;

		//TODO : Fix it for windows
		label.addMouseListener(new MouseAdapter() {
			public void mouseUp(MouseEvent arg0) {
				if (_sUserPluginDir.endsWith("/plugins/")
						|| _sUserPluginDir.endsWith("\\plugins\\")) {
					File f = new File(_sUserPluginDir);
					if (f.exists() && f.isDirectory()) {
						Utils.launch(_sUserPluginDir);
					} else {
						String azureusDir = _sUserPluginDir.substring(0, _sUserPluginDir
								.length() - 9);
						System.out.println(azureusDir);
						Utils.launch(azureusDir);
					}
				}
			}
		});

		label = new Label(infoGroup, SWT.WRAP);
		label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		Messages.setLanguageText(label, "ConfigView.pluginlist.whereToPutOr");

		label = new Label(infoGroup, SWT.WRAP);
		gridData = new GridData(GridData.FILL_HORIZONTAL);
		gridData.horizontalIndent = 10;
		label.setLayoutData(gridData);
		label.setText(sAppPluginDir.replaceAll("&", "&&"));
		label.setForeground(Colors.blue);
		label.setCursor(Cursors.handCursor);

		final String _sAppPluginDir = sAppPluginDir;

		//TODO : Fix it for windows
		label.addMouseListener(new MouseAdapter() {
			public void mouseUp(MouseEvent arg0) {
				if (_sAppPluginDir.endsWith("/plugins/")
						|| _sAppPluginDir.endsWith("\\plugins\\")) {
					File f = new File(_sAppPluginDir);
					if (f.exists() && f.isDirectory()) {
						Utils.launch(_sAppPluginDir);
					} else {
						String azureusDir = _sAppPluginDir.substring(0, _sAppPluginDir
								.length() - 9);
						System.out.println(azureusDir);
						Utils.launch(azureusDir);
					}
				}
			}
		});

		pluginIFs = Arrays.asList(azureusCore.getPluginManager().getPlugins());

		Collections.sort(pluginIFs, new Comparator() {
			public int compare(Object o1, Object o2) {
				return (((PluginInterface) o1).getPluginName()
						.compareToIgnoreCase(((PluginInterface) o2).getPluginName()));
			}
		});

		Label labelInfo = new Label(infoGroup, SWT.WRAP);
		labelInfo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		Messages.setLanguageText(labelInfo, "ConfigView.pluginlist.info");

		final Table table = new Table(infoGroup, SWT.BORDER | SWT.SINGLE
				| SWT.CHECK | SWT.VIRTUAL | SWT.FULL_SELECTION);
		gridData = new GridData(GridData.FILL_BOTH);
		gridData.heightHint = 200;
		gridData.widthHint = 200;
		table.setLayoutData(gridData);
		for (int i = 0; i < COLUMN_HEADERS.length; i++) {
			final TableColumn tc = new TableColumn(table, COLUMN_ALIGNS[i]);
			tc.setWidth(COLUMN_SIZES[i]);
			tc.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					boolean ascending = comparator.setField(table.indexOf(tc));
					try {
						table.setSortColumn(tc);
						table.setSortDirection(ascending ? SWT.UP : SWT.DOWN);
					} catch (NoSuchMethodError ignore) {
						// Ignore Pre 3.0
					}
					Collections.sort(pluginIFs, comparator);
					table.clearAll();
				}
			});
			Messages.setLanguageText(tc, HEADER_PREFIX + COLUMN_HEADERS[i]);
		}
		table.setHeaderVisible(true);
		
		Composite cButtons = new Composite(infoGroup, SWT.NONE);
		layout = new GridLayout();
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		layout.numColumns = 2;
		cButtons.setLayout(layout);
		cButtons.setLayoutData(new GridData());
		
		final Button btnUnload = new Button(cButtons, SWT.PUSH);
		btnUnload.setLayoutData(new GridData());
		Messages.setLanguageText(btnUnload, "ConfigView.pluginlist.unloadSelected");
		btnUnload.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				int[] items = table.getSelectionIndices();
				for (int i = 0; i < items.length; i++) {
					int index = items[i];
					if (index >= 0 && index < pluginIFs.size()) {
						PluginInterface pluginIF = (PluginInterface) pluginIFs.get(index);
						if (pluginIF.isOperational()) {
							if (pluginIF.isUnloadable()) {
								try {
									pluginIF.unload();
								} catch (PluginException e1) {
									// TODO Auto-generated catch block
									e1.printStackTrace();
								}
							}
						}
						pluginIFs = Arrays.asList(azureusCore.getPluginManager().getPlugins());
						table.setItemCount(pluginIFs.size());
						Collections.sort(pluginIFs, comparator);
						table.clearAll();
					}
				}
			}
		});
		
		
		final Button btnScan = new Button(cButtons, SWT.PUSH);
		btnScan.setLayoutData(new GridData());
		Messages.setLanguageText(btnScan, "ConfigView.pluginlist.scan");
		btnScan.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				azureusCore.getPluginManager().refreshPluginList();
				pluginIFs = Arrays.asList(azureusCore.getPluginManager().getPlugins());
				table.setItemCount(pluginIFs.size());
				Collections.sort(pluginIFs, comparator);
				table.clearAll();
			}
		});


		table.addListener(SWT.SetData, new Listener() {
			public void handleEvent(Event event) {
				TableItem item = (TableItem) event.item;
				int index = table.indexOf(item);
				PluginInterface pluginIF = (PluginInterface) pluginIFs.get(index);

				for (int i = 0; i < COLUMN_HEADERS.length; i++) {
					if (i == FilterComparator.FIELD_NAME)
						item.setImage(i, ImageRepository.getImage(pluginIF.isOperational()
								? "greenled" : "redled")); 
					
					String sText = comparator.getFieldValue(i, pluginIF);
					if (sText == null)
						sText = "";
					item.setText(i, sText);
				}

				item.setGrayed(pluginIF.isMandatory());
				boolean bEnabled = COConfigurationManager.getBooleanParameter("PluginInfo."
						+ pluginIF.getPluginID() + ".enabled", true);
		    Utils.setCheckedInSetData(item, bEnabled);
				item.setData("PluginID", pluginIF.getPluginID());
				Utils.alternateRowBackground(item);
			}
		});

		table.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				if (e.detail != SWT.CHECK)
					return;
				TableItem item = (TableItem) e.item;
				if (item.getGrayed()) {
					if (!item.getChecked())
						item.setChecked(true);
					return;
				}
				COConfigurationManager.setParameter("PluginInfo."
						+ item.getData("PluginID") + ".enabled", item.getChecked());
			}
		});

		table.setItemCount(pluginIFs.size());
		

		return infoGroup;
	}

	public void initPluginSubSections() {
		// Create subsections for plugins that used the PluginConfigModel object
		// =====================================================================

		TreeItem treePlugins = configView
				.findTreeItem(ConfigSection.SECTION_PLUGINS);
		ParameterRepository repository = ParameterRepository.getInstance();

		String[] names = repository.getNames();

		Arrays.sort(names);

		for (int i = 0; i < names.length; i++) {
			String pluginName = names[i];
			Parameter[] parameters = repository.getParameterBlock(pluginName);

			// Note: 2070's plugin documentation for PluginInterface.addConfigUIParameters
			//       said to pass <"ConfigView.plugins." + displayName>.  This was
			//       never implemented in 2070.  2070 read the key <displayName> without
			//       the prefix.
			//
			//       2071+ uses <sSectionPrefix ("ConfigView.section.plugins.") + pluginName>
			//       and falls back to <displayName>.  Since 
			//       <"ConfigView.plugins." + displayName> was never implemented in the
			//       first place, a check for it has not been created
			boolean bUsePrefix = MessageText.keyExists(ConfigView.sSectionPrefix
					+ "plugins." + pluginName);
			Composite pluginGroup = configView.createConfigSection(treePlugins,
					pluginName, -2, bUsePrefix);
			GridLayout pluginLayout = new GridLayout();
			pluginLayout.numColumns = 3;
			pluginGroup.setLayout(pluginLayout);

			Map parameterToPluginParameter = new HashMap();
			//Add all parameters
			for (int j = 0; j < parameters.length; j++) {
				Parameter parameter = parameters[j];
				parameterToPluginParameter.put(parameter, new PluginParameter(
						pluginGroup, parameter));
			}
			//Check for dependencies
			for (int j = 0; j < parameters.length; j++) {
				Parameter parameter = parameters[j];
				if (parameter instanceof BooleanParameterImpl) {
					List parametersToEnable = ((BooleanParameterImpl) parameter)
							.getEnabledOnSelectionParameters();
					List controlsToEnable = new ArrayList();
					Iterator iter = parametersToEnable.iterator();
					while (iter.hasNext()) {
						Parameter parameterToEnable = (Parameter) iter.next();
						PluginParameter pp = (PluginParameter) parameterToPluginParameter
								.get(parameterToEnable);
						Control[] controls = pp.getControls();
						for (int k = 0; k < controls.length; k++) {
							controlsToEnable.add(controls[k]);
						}
					}

					List parametersToDisable = ((BooleanParameterImpl) parameter)
							.getDisabledOnSelectionParameters();
					List controlsToDisable = new ArrayList();
					iter = parametersToDisable.iterator();
					while (iter.hasNext()) {
						Parameter parameterToDisable = (Parameter) iter.next();
						PluginParameter pp = (PluginParameter) parameterToPluginParameter
								.get(parameterToDisable);
						Control[] controls = pp.getControls();
						for (int k = 0; k < controls.length; k++) {
							controlsToDisable.add(controls[k]);
						}
					}

					Control[] ce = new Control[controlsToEnable.size()];
					Control[] cd = new Control[controlsToDisable.size()];

					if (ce.length + cd.length > 0) {
						IAdditionalActionPerformer ap = new DualChangeSelectionActionPerformer(
								(Control[]) controlsToEnable.toArray(ce),
								(Control[]) controlsToDisable.toArray(cd));
						PluginParameter pp = (PluginParameter) parameterToPluginParameter
								.get(parameter);
						pp.setAdditionalActionPerfomer(ap);
					}

				}
			}
		}

	}
}