ipwfilepanel.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   IPWFilePanel.java

package org.gudy.azureus2.ui.swt.pluginsinstaller;

import com.aelitis.azureus.core.AzureusCore;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.plugins.PluginException;
import org.gudy.azureus2.plugins.PluginManager;
import org.gudy.azureus2.plugins.installer.PluginInstaller;
import org.gudy.azureus2.ui.swt.Messages;
import org.gudy.azureus2.ui.swt.wizard.*;

// Referenced classes of package org.gudy.azureus2.ui.swt.pluginsinstaller:
//			IPWInstallModePanel, InstallPluginWizard

public class IPWFilePanel extends AbstractWizardPanel
{

	Text txtFile;
	boolean valid;

	public IPWFilePanel(Wizard wizard, IWizardPanel previous)
	{
		super(wizard, previous);
		valid = false;
	}

	public void show()
	{
		wizard.setTitle(MessageText.getString("installPluginsWizard.file.title"));
		wizard.setErrorMessage("");
		Composite rootPanel = wizard.getPanel();
		GridLayout layout = new GridLayout();
		layout.numColumns = 1;
		rootPanel.setLayout(layout);
		Composite panel = new Composite(rootPanel, 0);
		GridData gridData = new GridData(772);
		panel.setLayoutData(gridData);
		layout = new GridLayout();
		layout.numColumns = 3;
		panel.setLayout(layout);
		Label label = new Label(panel, 0);
		Messages.setLanguageText(label, "installPluginsWizard.file.file");
		txtFile = new Text(panel, 2048);
		GridData data = new GridData(768);
		txtFile.setLayoutData(data);
		txtFile.addListener(24, new Listener() {

			final IPWFilePanel this$0;

			public void handleEvent(Event event)
			{
				checkValidFile();
			}

			
			{
				this$0 = IPWFilePanel.this;
				super();
			}
		});
		Button btnBrowse = new Button(panel, 8);
		Messages.setLanguageText(btnBrowse, "installPluginsWizard.file.browse");
		btnBrowse.addListener(13, new Listener() );
		checkValidFile();
	}

	private void checkValidFile()
	{
		String fileName = txtFile.getText();
		String error_message = null;
		try
		{
			File f = new File(fileName);
			if (f.isFile() && (f.getName().endsWith(".jar") || f.getName().endsWith(".zip")))
			{
				wizard.setErrorMessage("");
				wizard.setNextEnabled(true);
				List list = new ArrayList();
				org.gudy.azureus2.plugins.installer.InstallablePlugin plugin = wizard.getAzureusCore().getPluginManager().getPluginInstaller().installFromFile(f);
				list.add(plugin);
				((InstallPluginWizard)wizard).plugins = list;
				valid = true;
				return;
			}
		}
		catch (PluginException e)
		{
			error_message = e.getMessage();
			Debug.printStackTrace(e);
		}
		catch (Exception e)
		{
			error_message = null;
			Debug.printStackTrace(e);
		}
		valid = false;
		if (!fileName.equals(""))
		{
			String error_message_full;
			if ((new File(fileName)).isFile())
				error_message_full = MessageText.getString("installPluginsWizard.file.invalidfile");
			else
				error_message_full = MessageText.getString("installPluginsWizard.file.no_such_file");
			if (error_message != null)
				error_message_full = (new StringBuilder()).append(error_message_full).append(" (").append(error_message).append(")").toString();
			wizard.setErrorMessage(error_message_full);
			wizard.setNextEnabled(false);
		}
	}

	public boolean isNextEnabled()
	{
		return valid;
	}

	public IWizardPanel getNextPanel()
	{
		return new IPWInstallModePanel(wizard, this);
	}


}