IndexBrowser.java

package thaw.plugins;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import thaw.core.Core;
import thaw.core.I18n;
import thaw.gui.IconBox;
import thaw.core.Logger;
import thaw.core.Plugin;
import thaw.plugins.index.AutoRefresh;
import thaw.plugins.index.DatabaseManager;
import thaw.plugins.index.IndexBrowserPanel;
import thaw.plugins.index.IndexConfigTab;
import thaw.plugins.index.IndexManagementHelper;


public class IndexBrowser extends ToolbarModifier implements Plugin, ChangeListener {

	/**
	 * Thaw index is always specified first
	 */
	public static final String[] DEFAULT_INDEXES = new String[] {
		/* Thaw index */
		"USK@p-uFAWUomLm37MCQLu3r67-B8e6yF1kS4q2v0liM1Vk,"+
		"h0MWqM~lF0Bec-AIv445PLn06ams9-RFbnwO6Cm2Snc,AQACAAE"+
		"/Thaw/12/Thaw.frdx",

		/* publicly writable index */
		"USK@61m2WMJEA9pyQQQ-hjGN8lIM2xToNJHyacJ8ZPB9JCQ,"+
		"5aEPJBhwIV~HpGIG8YTpKSB39WCGgd0BUNWZ012745Y,AQACAAE"+
		"/Publicly%20writable%20index/102/Publicly writable index.frdx"
	};

	private Core core;
	private Hsqldb hsqldb;
	private Signatures signatures;


	private IndexBrowserPanel browserPanel;

	private IndexConfigTab configPanel;

	private AutoRefresh autoRefresh = null;

	public IndexBrowser() {

	}

	public boolean run(final Core core) {
		this.core = core;

		core.getConfig().addListener("advancedMode",                 this);
		core.getConfig().addListener("indexAutoRefreshActivated",    this);
		core.getConfig().addListener("indexRefreshInterval",         this);
		core.getConfig().addListener("nmbIndexesPerRefreshInterval", this);
		core.getConfig().addListener("loadIndexTreeOnTheFly",        this);
		core.getConfig().addListener("indexFetchNegative",           this);
		core.getConfig().addListener("indexFetchComments",           this);
		core.getConfig().addListener("minTrustLevel",                this);

		if(core.getPluginManager().getPlugin("thaw.plugins.Hsqldb") == null) {
			Logger.info(this, "Loading Hsqldb plugin");

			if(core.getPluginManager().loadPlugin("thaw.plugins.Hsqldb") == null
			   || !core.getPluginManager().runPlugin("thaw.plugins.Hsqldb")) {
				Logger.error(this, "Unable to load thaw.plugins.Hsqldb !");
				return false;
			}
		}

		hsqldb = (Hsqldb)core.getPluginManager().getPlugin("thaw.plugins.Hsqldb");
		hsqldb.registerChild(this);


		if(core.getPluginManager().getPlugin("thaw.plugins.Signatures") == null) {
			Logger.info(this, "Loading signatures plugin");

			if(core.getPluginManager().loadPlugin("thaw.plugins.Signatures") == null
			   || !core.getPluginManager().runPlugin("thaw.plugins.Signatures")) {
				Logger.error(this, "Unable to load thaw.plugins.Signatures !");
				return false;
			}
		}

		signatures = (Signatures)core.getPluginManager().getPlugin("thaw.plugins.Signatures");
		signatures.registerChild(this);


		boolean newDb;

		newDb = DatabaseManager.init(hsqldb, core.getConfig(), core.getSplashScreen());

		browserPanel = new IndexBrowserPanel(hsqldb, core);
		setMainWindow(core.getMainWindow());
		core.getMainWindow().getTabbedPane().addChangeListener(this);

		core.getMainWindow().addTab(I18n.getMessage("thaw.plugin.index.indexes"),
					    IconBox.indexBrowser,
					    browserPanel.getPanel());

		browserPanel.restoreState();

		if (newDb) {
			for (int i = 0 ; i < DEFAULT_INDEXES.length ; i++) {
				IndexManagementHelper.addIndex(core.getQueueManager(),
							       browserPanel, null,
							       DEFAULT_INDEXES[i],
							       true);
			}
		}

		stateChanged(null);


		configPanel = new IndexConfigTab(core.getConfigWindow(), core.getConfig(),
						 browserPanel);
		configPanel.addTab();

		autoRefresh = null;

		if (core.getConfig().getValue("indexAutoRefreshActivated") != null) {
			if (Boolean.valueOf(core.getConfig().getValue("indexAutoRefreshActivated")).booleanValue()) {
				autoRefresh = new AutoRefresh(hsqldb, browserPanel, core.getQueueManager(), core.getConfig());
			}
		} else {
			if (AutoRefresh.DEFAULT_ACTIVATED) {
				autoRefresh = new AutoRefresh(hsqldb, browserPanel, core.getQueueManager(), core.getConfig());
			}
		}

		thaw.plugins.index.File.resumeTransfers(core.getQueueManager(), hsqldb);

		if (autoRefresh != null)
			autoRefresh.start();

		return true;
	}

	public IndexBrowserPanel getIndexBrowserPanel() {
		return browserPanel;
	}

	public void stop() {
		if (autoRefresh != null)
			autoRefresh.stop();

		if (browserPanel != null) {
			browserPanel.getCommentTab().hideTab();
			browserPanel.getBlackList().hidePanel();

			browserPanel.stopAllThreads();
		}

		core.getMainWindow().getTabbedPane().removeChangeListener(this);

		if (browserPanel != null) {
			core.getMainWindow().removeTab(browserPanel.getPanel());
			browserPanel.saveState();
		}

		if (hsqldb != null)
			hsqldb.unregisterChild(this);
		if (signatures != null)
			signatures.unregisterChild(this);

		if (configPanel != null)
			configPanel.removeTab();
	}

	public String getNameForUser() {
		return I18n.getMessage("thaw.plugin.index.browser");
	}


       	/**
	 * Called when the JTabbedPane changed (ie change in the selected tab, etc)
	 * @param e can be null.
	 */
	public void stateChanged(final ChangeEvent e) {
		int tabId;

		tabId = core.getMainWindow().getTabbedPane().indexOfTab(I18n.getMessage("thaw.plugin.index.indexes"));

		if (tabId < 0) {
			Logger.warning(this, "Unable to find the tab !");
			return;
		}

		browserPanel.setVisible(core.getMainWindow().getTabbedPane().getSelectedIndex() == tabId);
	}

	public javax.swing.ImageIcon getIcon() {
		return thaw.gui.IconBox.indexBrowser;
	}
}