abstractuiinputreceiver.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:   AbstractUIInputReceiver.java

package org.gudy.azureus2.pluginsimpl.local.ui;

import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.plugins.ui.UIInputReceiver;
import org.gudy.azureus2.plugins.ui.UIInputValidator;

public abstract class AbstractUIInputReceiver
	implements UIInputReceiver
{

	private boolean prompted;
	protected String messages[];
	protected String title;
	protected boolean multiline_mode;
	protected String preentered_text;
	protected boolean preentered_text_is_old_value;
	protected UIInputValidator validator;
	private boolean result_recorded;
	private boolean result_input_submitted;
	private String result_input;
	protected boolean maintain_whitespace;
	protected boolean allow_empty_input;

	public AbstractUIInputReceiver()
	{
		prompted = false;
		messages = new String[0];
		title = null;
		multiline_mode = false;
		preentered_text = null;
		preentered_text_is_old_value = false;
		validator = null;
		result_recorded = false;
		result_input_submitted = false;
		result_input = null;
		maintain_whitespace = false;
		allow_empty_input = true;
	}

	protected final void assertPrePrompt()
	{
		if (prompted)
			throw new RuntimeException("cannot invoke after prompt has been called");
		else
			return;
	}

	protected final void assertPostPrompt()
	{
		if (!prompted)
			throw new RuntimeException("cannot before after prompt has been called");
		else
			return;
	}

	public void setLocalisedMessage(String message)
	{
		setLocalisedMessages(new String[] {
			message
		});
	}

	public void setLocalisedMessages(String messages[])
	{
		assertPrePrompt();
		this.messages = messages;
	}

	public void setLocalisedTitle(String title)
	{
		assertPrePrompt();
		this.title = title;
	}

	public void setMessage(String message)
	{
		setLocalisedMessage(localise(message));
	}

	public void setMessages(String messages[])
	{
		String new_messages[] = new String[messages.length];
		for (int i = 0; i < new_messages.length; i++)
			new_messages[i] = localise(messages[i]);

		setLocalisedMessages(new_messages);
	}

	public void setMultiLine(boolean multiline)
	{
		assertPrePrompt();
		multiline_mode = multiline;
	}

	public void setPreenteredText(String text, boolean as_suggested)
	{
		assertPrePrompt();
		preentered_text = text;
		preentered_text_is_old_value = !as_suggested;
	}

	public void setTitle(String title)
	{
		setLocalisedTitle(localise(title));
	}

	public void setInputValidator(UIInputValidator validator)
	{
		assertPrePrompt();
		this.validator = validator;
	}

	public final void prompt()
	{
		assertPrePrompt();
		promptForInput();
		if (!result_recorded)
		{
			throw new RuntimeException((new StringBuilder()).append(toString()).append(" did not record a result.").toString());
		} else
		{
			prompted = true;
			return;
		}
	}

	protected abstract void promptForInput();

	protected final void recordUserInput(String input)
	{
		result_recorded = true;
		result_input_submitted = true;
		result_input = input;
		if (!maintain_whitespace)
			result_input = input.trim();
	}

	protected final void recordUserAbort()
	{
		result_recorded = true;
		result_input_submitted = false;
		result_input = null;
	}

	public boolean hasSubmittedInput()
	{
		assertPostPrompt();
		return result_input_submitted;
	}

	public String getSubmittedInput()
	{
		assertPostPrompt();
		return result_input;
	}

	public void maintainWhitespace(boolean keep_whitespace)
	{
		maintain_whitespace = keep_whitespace;
	}

	public void allowEmptyInput(boolean empty_input)
	{
		allow_empty_input = empty_input;
	}

	protected final String localise(String key)
	{
		return MessageText.getString(key);
	}
}