textsprite.java

来自「Sony Ericsson手机上的Facebook客户端全套代码」· Java 代码 · 共 290 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   TextSprite.java

package se.southend.drops.gui;

import java.util.Vector;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import se.southend.drops.scene.Sprite;
import se.southend.drops.tools.Tools;

// Referenced classes of package se.southend.drops.gui:
//            TextPart, TextStyle

public class TextSprite extends Sprite
{

    public TextSprite()
    {
        maxWidth = -1;
        maxLines = -1;
        truncation = 0;
        pressedLinkColor = 0xffffff;
        focusLinkIndex = -1;
        focusedLinkPressed = false;
        setFont(Font.getDefaultFont());
    }

    public TextSprite(String text, Font font, int color)
    {
        maxWidth = -1;
        maxLines = -1;
        truncation = 0;
        pressedLinkColor = 0xffffff;
        focusLinkIndex = -1;
        focusedLinkPressed = false;
        setText(text, font, color);
    }

    public String getText()
    {
        return text;
    }

    public void setText(String text, Font font, int color)
    {
        setColor(color);
        setText(text);
        setFont(font);
    }

    public void setText(String text)
    {
        if(text != null && text.equals(this.text))
        {
            return;
        } else
        {
            this.text = text;
            update();
            return;
        }
    }

    public void setTruncation(int truncation)
    {
        this.truncation = truncation;
        update();
    }

    public void setHTMLSupport(boolean handleHTML)
    {
        this.handleHTML = handleHTML;
        update();
    }

    public Font getFont()
    {
        return font;
    }

    public void setFont(Font font)
    {
        this.font = font;
        update();
    }

    public int getColor()
    {
        return color;
    }

    public void setColor(int color)
    {
        this.color = color;
        update();
    }

    public int getWidth()
    {
        doUpdate();
        return width;
    }

    public int getHeight()
    {
        doUpdate();
        return height;
    }

    public void setMaxWidth(int width)
    {
        maxWidth = width;
        update();
    }

    public void setMaxLines(int nbrLines)
    {
        maxLines = nbrLines;
        update();
    }

    private void update()
    {
        needsUpdate = true;
    }

    private void doUpdate()
    {
        if(!needsUpdate)
            return;
        needsUpdate = false;
        if(text != null && font != null)
        {
            text = Tools.format(text);
            lines = maxWidth != -1 || handleHTML ? Tools.splitStringByWidth(text, maxWidth, font, color, truncation, handleHTML, maxLines) : null;
            if(lines != null)
            {
                width = 0;
                height = 0;
                for(int i = 0; i < lines.size(); i++)
                {
                    TextPart part = (TextPart)lines.elementAt(i);
                    int lineWidth = part.xPos + part.width;
                    if(lineWidth > width)
                        width = lineWidth;
                    int tmpHeight = part.yPos + part.style.font.getHeight();
                    if(tmpHeight > height)
                        height = tmpHeight;
                }

            } else
            {
                width = font.stringWidth(text);
                height = font.getHeight();
            }
        } else
        {
            lines = null;
            width = 0;
            height = 0;
        }
    }

    public void paint(Graphics graphics)
    {
        if(!isOnScreen())
            return;
        doUpdate();
        if(text != null)
        {
            int xScr = getScreenX();
            int yScr = getScreenY();
            if(lines == null)
            {
                graphics.setColor(color);
                graphics.setFont(font);
                graphics.drawString(text, getScreenX(), getScreenY(), 20);
            } else
            {
                int linkIndex = 0;
                for(int i = 0; i < lines.size(); i++)
                {
                    TextPart part = (TextPart)lines.elementAt(i);
                    boolean isSelectedLink = false;
                    if(part.link != null)
                    {
                        isSelectedLink = linkIndex == focusLinkIndex;
                        linkIndex++;
                    }
                    if(isSelectedLink)
                    {
                        graphics.setColor(focusedLinkPressed ? pressedLinkColor : part.style.color);
                        graphics.setFont(Font.getFont(part.style.font.getFace(), part.style.font.getStyle() | 0x4, part.style.font.getSize()));
                    } else
                    {
                        graphics.setColor(part.style.color);
                        graphics.setFont(part.style.font);
                    }
                    graphics.drawString(part.text, xScr + part.xPos, yScr + part.yPos, 20);
                }

            }
        }
    }

    public int getLinkCount()
    {
        doUpdate();
        if(lines == null)
            return 0;
        int count = 0;
        for(int i = 0; i < lines.size(); i++)
        {
            TextPart part = (TextPart)lines.elementAt(i);
            if(part.link != null)
                count++;
        }

        return count;
    }

    public boolean focusLink(int index, boolean pressed)
    {
        if(index >= 0 && index < getLinkCount())
        {
            focusLinkIndex = index;
            focusedLinkPressed = pressed;
            update();
            return true;
        } else
        {
            return false;
        }
    }

    public void unFocusLinks()
    {
        if(focusLinkIndex >= 0)
        {
            focusLinkIndex = -1;
            update();
        }
    }

    public void setPressedLinkColor(int color)
    {
        pressedLinkColor = color;
        if(focusLinkIndex >= 0)
            update();
    }

    public String getLink(int index)
    {
        int linkIndex = 0;
        for(int i = 0; i < lines.size(); i++)
        {
            TextPart part = (TextPart)lines.elementAt(i);
            if(part.link == null)
                continue;
            if(linkIndex == index)
                return part.link;
            linkIndex++;
        }

        return null;
    }

    public static final int INFINITE = -1;
    public static final int TRUNCATION_NONE = 0;
    public static final int TRUNCATION_END_ELLIPSIS = 1;
    public static final int TRUNCATION_WORD_ELLIPSIS = 2;
    private String text;
    private Vector lines;
    private Font font;
    private int color;
    private int maxWidth;
    private int maxLines;
    private boolean needsUpdate;
    private boolean handleHTML;
    private int width;
    private int height;
    private int truncation;
    private int pressedLinkColor;
    private int focusLinkIndex;
    private boolean focusedLinkPressed;
}