abstractwizardpage.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:   AbstractWizardPage.java

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

import java.util.LinkedHashMap;
import java.util.Map;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
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.ui.swt.mainwindow.Colors;

// Referenced classes of package org.gudy.azureus2.ui.swt.shells:
//			IWizardPage, MultipageWizard

public abstract class AbstractWizardPage
	implements IWizardPage
{

	public static final String BUTTON_OK = "button.ok";
	public static final String BUTTON_CANCEL = "button.cancel";
	public static final String BUTTON_NEXT = "button.next";
	public static final String BUTTON_BACK = "button.back";
	private MultipageWizard wizard;
	private Composite pageControl;
	private Composite contentPanel;
	private Composite toolbarPanel;
	private Map buttons;
	protected SelectionListener defaultButtonListener;
	private int buttonExtraMargin;

	public AbstractWizardPage(MultipageWizard wizard)
	{
		buttons = new LinkedHashMap();
		buttonExtraMargin = 50;
		this.wizard = wizard;
	}

	public Composite createControls(Composite parent)
	{
		pageControl = new Composite(parent, 0);
		pageControl.setBackground(Colors.red);
		GridLayout gLayout = new GridLayout();
		gLayout.marginHeight = 0;
		gLayout.marginWidth = 0;
		gLayout.verticalSpacing = 0;
		pageControl.setLayout(gLayout);
		contentPanel = new Composite(pageControl, 0);
		contentPanel.setLayoutData(new GridData(4, 4, true, true));
		Label separator2 = new Label(pageControl, 258);
		separator2.setLayoutData(new GridData(4, 0x1000000, true, false));
		toolbarPanel = new Composite(pageControl, 0);
		toolbarPanel.setLayoutData(new GridData(4, 1024, true, false));
		GridLayout gLayout2 = new GridLayout(3, false);
		gLayout2.marginHeight = 16;
		gLayout2.marginWidth = 16;
		toolbarPanel.setLayout(gLayout2);
		defaultButtonListener = new SelectionListener() {

			final AbstractWizardPage this$0;

			public void widgetSelected(SelectionEvent e)
			{
				if ("button.ok".equals(e.widget.getData("button.id")))
					performOK();
				else
				if ("button.cancel".equals(e.widget.getData("button.id")))
					performCancel();
				else
				if ("button.next".equals(e.widget.getData("button.id")))
					performNext();
				else
				if ("button.back".equals(e.widget.getData("button.id")))
					performBack();
			}

			public void widgetDefaultSelected(SelectionEvent e)
			{
				widgetSelected(e);
			}

			
			{
				this$0 = AbstractWizardPage.this;
				Object();
			}
		};
		Label dummy = new Label(toolbarPanel, 0);
		dummy.setLayoutData(new GridData(4, 4, true, false));
		createButtons(toolbarPanel);
		return contentPanel;
	}

	public void fullScreen(boolean isFullScreen)
	{
		toolbarPanel.setVisible(!isFullScreen);
		((GridData)toolbarPanel.getLayoutData()).exclude = isFullScreen;
		pageControl.layout(true, true);
		getWizard().fullScreen(isFullScreen);
	}

	protected void createButtons(Composite buttonPanel)
	{
		createButton("button.cancel", MessageText.getString("Button.cancel"), defaultButtonListener);
		createButton("button.back", MessageText.getString("wizard.previous"), defaultButtonListener);
		createButton("button.next", MessageText.getString("wizard.next"), defaultButtonListener);
		createButton("button.ok", MessageText.getString("wizard.finish"), defaultButtonListener);
	}

	protected Button createButton(String buttonID, String buttonText, SelectionListener listener)
	{
		if (null == buttonID)
			throw new IllegalArgumentException("A button requires a non-null ID");
		if (buttons.containsKey(buttonID))
		{
			Debug.out((new StringBuilder()).append("AbstractWizardPage:: a button with this same ID already exists ID:").append(buttonID).toString());
			return (Button)buttons.get(buttonID);
		}
		Button button = new Button(toolbarPanel, 8);
		GridData gData = new GridData(0x1000008, 1024, false, false);
		gData.widthHint = button.computeSize(-1, -1).y + buttonExtraMargin;
		button.setLayoutData(gData);
		if (null != listener)
			button.addSelectionListener(listener);
		button.setText(buttonText);
		button.setData("button.id", buttonID);
		buttons.put(buttonID, button);
		adjustToolbar();
		return button;
	}

	protected void enableButton(String buttonID, boolean value)
	{
		if (!buttons.containsKey(buttonID))
		{
			Debug.out((new StringBuilder()).append("AbstractWizardPage:: a button with this ID is not found ID:").append(buttonID).toString());
			return;
		} else
		{
			((Button)buttons.get(buttonID)).setEnabled(value);
			toolbarPanel.layout(true);
			return;
		}
	}

	protected void showButton(String buttonID, boolean value)
	{
		if (!buttons.containsKey(buttonID))
		{
			Debug.out((new StringBuilder()).append("AbstractWizardPage:: a button with this ID is not found ID:").append(buttonID).toString());
			return;
		}
		Button button = (Button)buttons.get(buttonID);
		button.setVisible(value);
		if (value)
		{
			GridData gData = (GridData)button.getLayoutData();
			gData.exclude = false;
			gData.widthHint = button.computeSize(-1, -1).y + buttonExtraMargin;
		} else
		{
			GridData gData = (GridData)button.getLayoutData();
			gData.exclude = true;
			gData.widthHint = 0;
		}
		toolbarPanel.layout(true);
	}

	protected Button getButton(String buttonID)
	{
		if (!buttons.containsKey(buttonID))
			return null;
		else
			return (Button)buttons.get(buttonID);
	}

	public void performOK()
	{
	}

	public void performCancel()
	{
		getWizard().performCancel();
	}

	public void performNext()
	{
		getWizard().performNext();
	}

	public void performBack()
	{
		getWizard().performBack();
	}

	private void adjustToolbar()
	{
		((GridLayout)toolbarPanel.getLayout()).numColumns = buttons.size() + 1;
		toolbarPanel.layout(true);
	}

	public Control getControl()
	{
		return pageControl;
	}

	public MultipageWizard getWizard()
	{
		return wizard;
	}

	public String getDesciption()
	{
		return null;
	}

	public String getTitle()
	{
		return null;
	}

	public String getWindowTitle()
	{
		return null;
	}

	public boolean isComplete()
	{
		return false;
	}

	public void performDispose()
	{
	}

	public void performFinish()
	{
	}

	public boolean setComplete()
	{
		return true;
	}

	public void performAboutToBeHidden()
	{
	}

	public void performAboutToBeShown()
	{
		if (null != getButton("button.next"))
			enableButton("button.next", !getWizard().isLastPage(getPageID()));
		if (null != getButton("button.back"))
			enableButton("button.back", !getWizard().isFirstPage(getPageID()));
	}

	public boolean isInitOnStartup()
	{
		return false;
	}
}