multipagewizard.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:   MultipageWizard.java

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

import java.util.*;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.graphics.Image;
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.util.Debug;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.components.shell.ShellFactory;

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

public abstract class MultipageWizard
{

	private Shell shell;
	private Display display;
	private int shellStyle;
	private Shell parent;
	private Composite topPanel;
	private Composite contentPanel;
	private Label titleLabel;
	private Label descriptionLabel;
	private Map pages;
	private StackLayout contentStackLayout;
	private IWizardPage currentPage;
	private IWizardPage previousPage;
	private List initializedPages;

	public MultipageWizard(Display display, int shellStyle)
	{
		pages = new LinkedHashMap();
		initializedPages = new ArrayList();
		this.display = display;
		this.shellStyle = shellStyle;
		init();
	}

	public MultipageWizard(Shell parent, int shellStyle)
	{
		pages = new LinkedHashMap();
		initializedPages = new ArrayList();
		this.parent = parent;
		this.shellStyle = shellStyle;
		init();
	}

	public abstract void createPages();

	private void init()
	{
		if (null != parent)
			shell = ShellFactory.createShell(parent, shellStyle);
		else
			shell = ShellFactory.createShell(display, shellStyle);
		createControls();
		createPages();
	}

	private void createControls()
	{
		GridLayout gLayout = new GridLayout();
		gLayout.marginHeight = 0;
		gLayout.marginWidth = 0;
		gLayout.verticalSpacing = 0;
		shell.setLayout(gLayout);
		Utils.setShellIcon(shell);
		topPanel = new Composite(shell, 0);
		topPanel.setLayoutData(new GridData(4, 128, true, false));
		GridLayout gLayout1 = new GridLayout();
		gLayout1.marginBottom = 10;
		topPanel.setLayout(gLayout1);
		topPanel.setBackground(shell.getDisplay().getSystemColor(25));
		topPanel.setBackgroundMode(2);
		Label separator1 = new Label(shell, 258);
		separator1.setLayoutData(new GridData(4, 0x1000000, true, false));
		contentPanel = new Composite(shell, 0);
		contentPanel.setLayoutData(new GridData(4, 4, true, true));
		contentStackLayout = new StackLayout();
		contentPanel.setLayout(contentStackLayout);
		titleLabel = new Label(topPanel, 0);
		titleLabel.setLayoutData(new GridData(4, 128, true, false));
		Utils.setFontHeight(titleLabel, 16, 0);
		descriptionLabel = new Label(topPanel, 64);
		GridData gData = new GridData(4, 4, true, true);
		gData.horizontalIndent = 10;
		descriptionLabel.setLayoutData(gData);
		shell.layout(true, true);
	}

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

	public boolean addPage(IWizardPage page)
	{
		if (null == page)
			return false;
		if (pages.containsKey(page.getPageID()))
		{
			Debug.out((new StringBuilder()).append("MultipageWizard:: a page with this ID already exists ID:").append(page.getPageID()).toString());
			return false;
		}
		pages.put(page.getPageID(), page);
		if (page.isInitOnStartup())
		{
			page.createControls(contentPanel);
			initializedPages.add(page.getPageID());
		}
		return true;
	}

	public boolean isFirstPage(String pageID)
	{
		if (!pages.isEmpty())
			return pageID.equals(((IWizardPage)pages.values().iterator().next()).getPageID());
		else
			return false;
	}

	public boolean isLastPage(String pageID)
	{
		if (!pages.isEmpty())
		{
			IWizardPage page = null;
			for (Iterator iterator = pages.values().iterator(); iterator.hasNext();)
				page = (IWizardPage)iterator.next();

			if (null != page)
				return page.getPageID().equals(pageID);
		}
		return false;
	}

	public boolean removePage(IWizardPage page)
	{
		if (null == page)
			return false;
		if (!pages.containsKey(page.getPageID()))
		{
			Debug.out((new StringBuilder()).append("MultipageWizard:: a page with this ID is not found ID:").append(page.getPageID()).toString());
			return false;
		} else
		{
			pages.remove(page.getPageID());
			page.performDispose();
			return true;
		}
	}

	public void showPage(String pageID)
	{
		if (!pages.containsKey(pageID))
		{
			Debug.out((new StringBuilder()).append("MultipageWizard:: a page with this ID is not found ID:").append(pageID).toString());
			return;
		}
		IWizardPage page = (IWizardPage)pages.get(pageID);
		if (null != currentPage)
		{
			if (currentPage.getPageID().equals(page.getPageID()))
				return;
			currentPage.performAboutToBeHidden();
		}
		if (!initializedPages.contains(page.getPageID()))
		{
			page.createControls(contentPanel);
			initializedPages.add(page.getPageID());
		}
		page.performAboutToBeShown();
		previousPage = currentPage;
		currentPage = page;
		contentStackLayout.topControl = page.getControl();
		update();
		contentPanel.layout(true);
	}

	public void open()
	{
		if (!pages.isEmpty())
		{
			IWizardPage page = (IWizardPage)pages.values().iterator().next();
			showPage(page.getPageID());
		}
		shell.open();
	}

	private void update()
	{
		if (null != currentPage)
		{
			setText(currentPage.getWindowTitle());
			setTitle(currentPage.getTitle());
			setDescription(currentPage.getDesciption());
		}
	}

	public void setTitle(String title)
	{
		titleLabel.setText((new StringBuilder()).append(title).append("").toString());
	}

	public void setDescription(String description)
	{
		descriptionLabel.setText((new StringBuilder()).append(description).append("").toString());
	}

	public IWizardPage getPage(String pageID)
	{
		if (!pages.containsKey(pageID))
		{
			Debug.out((new StringBuilder()).append("MultipageWizard:: a Page with this ID is not found ID:").append(pageID).toString());
			return null;
		} else
		{
			return (IWizardPage)pages.get(pageID);
		}
	}

	public void performCancel()
	{
		close();
	}

	public void performNext()
	{
		if (pages.isEmpty())
			return;
		if (null == currentPage)
		{
			IWizardPage page = (IWizardPage)pages.values().iterator().next();
			showPage(page.getPageID());
		} else
		{
			boolean foundCurrent = false;
			Iterator iterator = pages.values().iterator();
			do
			{
				if (!iterator.hasNext())
					break;
				IWizardPage page = (IWizardPage)iterator.next();
				if (foundCurrent)
				{
					showPage(page.getPageID());
					return;
				}
				if (page.getPageID().equals(currentPage.getPageID()))
					foundCurrent = true;
			} while (true);
			if (!foundCurrent)
				Debug.out("MultipageWizard:: there is no more page to go to");
		}
	}

	public void performBack()
	{
		if (null != previousPage)
			showPage(previousPage.getPageID());
	}

	public Shell getShell()
	{
		return shell;
	}

	public void close()
	{
		shell.close();
	}

	public Object getData(String key)
	{
		return shell.getData(key);
	}

	public Point getLocation()
	{
		return shell.getLocation();
	}

	public Point getSize()
	{
		return shell.getSize();
	}

	public String getText()
	{
		return shell.getText();
	}

	public String getToolTipText()
	{
		return shell.getToolTipText();
	}

	public void setBounds(int x, int y, int width, int height)
	{
		shell.setBounds(x, y, width, height);
	}

	public void setData(String key, Object value)
	{
		shell.setData(key, value);
	}

	public void setLocation(int x, int y)
	{
		shell.setLocation(x, y);
	}

	public void setSize(int width, int height)
	{
		shell.setSize(width, height);
	}

	public void setText(String string)
	{
		shell.setText(string);
	}

	public void setToolTipText(String string)
	{
		shell.setToolTipText(string);
	}

	public void setVisible(boolean visible)
	{
		shell.setVisible(visible);
	}

	public Image getImage()
	{
		return shell.getImage();
	}

	public void setImage(Image image)
	{
		shell.setImage(image);
	}
}