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Class jclass.util.JCString 

java.lang.Object
   |
   +----java.util.Vector
           |
           +----jclass.util.JCVector
                   |
                   +----jclass.util.JCString
public class JCString
extends JCVector
JCString is a Vector used to display a combination of text and images in mixed fonts and colors.

HTML examples:

Default[COLOR=red][font=TimesRoman-ITALIC-20] red[DEFAULT_FONT][Color=orange] orange\nAn [UL]orange[/UL] line[RESET]\nWhoops\, a [STRIKETHROUGH][Color=red]mistake<

HELLO[HREF=jclass.util.JCCache.html]see cache\nnline 5[/HREF]GOODBYE\nAnother link: [HREF=file:/8/java-extra/api/javag1.htm TARGET=_top][IMAGE=images/term4.gif] see BorderLayout[/HREF]

Variable Index

o ALIGN_CENTER
o ALIGN_LEFT
o ALIGN_RIGHT
o BOTTOM
o CENTER
o DEFAULT_COLOR
o DEFAULT_FONT
o END_HREF
o END_STRIKETHROUGH
o END_UNDERLINE
o HORIZ_SPACE
o HREF
o LEFT
o MIDDLE
o NEWLINE
o RESET
o RIGHT
o STRIKETHROUGH
o STRING_BOTTOM
o STRING_LEFT
o STRING_RIGHT
o STRING_TOP
o TOP
o UNDERLINE
o VERT_SPACE

Constructor Index

o JCString()
Constructs an empty JCString with a 10-element capacity.
o JCString(int)
Constructs a JCString with an initial capacity.
o JCString(String)
Constructs a JCString with an initial String.
o JCString(String, Image, int)
Constructs a JCString from a String and an Image.

Method Index

o add(int)
Adds an element.
o add(int, Object)
Adds an attribute and value.
o add(Object)
Adds an object.
o addImage(Applet, String)
Creates and adds an image, using a name relative to the applet through Applet.getDocumentBase().
o addImage(Applet, String, String)
Creates and adds an image, using the URL.
o draw(Component, Graphics, Rectangle, int)
Draws the JCString.
o getApplet(Component)
Given an AWT component, follows the component's parents until a parent applet is found.
o getHeight(Component, Font)
Returns the height.
o getImage()
Gets the first image.
o getLineSize(Component, Font, int, Dimension)
Calculates the size of a particular line in a JCString.
o getSize(Component, Font)
Returns the size of the JCString.
o getString()
Concatenates all string items.
o getURL(Applet, Object, int, int)
Checks whether the point is within an URL stored in a JCString within the active cell.
o getURL(int, int)
This determine whether or not the point is within the HREF's URL.
o getWidth(Component, Font)
Returns the width.
o parse(Component, String)
o setURLoffset(int, int)
Sets the offset for URL rectangle tracking.
o showURL(String, AppletContext, Applet)
If a URL is present, displays it at the specified location.

Variables

o UNDERLINE 
  public final static Integer UNDERLINE
o STRIKETHROUGH 
  public final static Integer STRIKETHROUGH
o END_UNDERLINE 
  public final static Integer END_UNDERLINE
o END_STRIKETHROUGH 
  public final static Integer END_STRIKETHROUGH
o HORIZ_SPACE 
  public final static Integer HORIZ_SPACE
o VERT_SPACE 
  public final static Integer VERT_SPACE
o NEWLINE 
  public final static Integer NEWLINE
o RESET 
  public final static Integer RESET
o DEFAULT_FONT 
  public final static Integer DEFAULT_FONT
o DEFAULT_COLOR 
  public final static Integer DEFAULT_COLOR
o TOP 
  public final static Integer TOP
o MIDDLE 
  public final static Integer MIDDLE
o BOTTOM 
  public final static Integer BOTTOM
o LEFT 
  public final static Integer LEFT
o CENTER 
  public final static Integer CENTER
o RIGHT 
  public final static Integer RIGHT
o HREF 
  public final static Integer HREF
o END_HREF 
  public final static Integer END_HREF
o STRING_LEFT 
  public final static int STRING_LEFT
o STRING_RIGHT 
  public final static int STRING_RIGHT
o STRING_TOP 
  public final static int STRING_TOP
o STRING_BOTTOM 
  public final static int STRING_BOTTOM
o ALIGN_LEFT 
  public final static int ALIGN_LEFT
o ALIGN_CENTER 
  public final static int ALIGN_CENTER
o ALIGN_RIGHT 
  public final static int ALIGN_RIGHT

Constructors

o JCString 
  public JCString()
Constructs an empty JCString with a 10-element capacity.

o JCString 
  public JCString(int capacity)
Constructs a JCString with an initial capacity.

o JCString 
  public JCString(String s)
Constructs a JCString with an initial String.

o JCString 
  public JCString(String s,
                  Image image,
                  int layout)
Constructs a JCString from a String and an Image.

Parameters:
layout - the relative position of the string with respect to the image: STRING_LEFT, STRING_RIGHT, STRING_TOP or STRING_BOTTOM

Methods

o add 
  public void add(Object o)
Adds an object. If the object is not one of the following classes, its toString() method is called: 
String      Adds text
Color       The text that follows is drawn using this color
Font        The text that follows is drawn using this font
Image       Adds an image

Overrides:
add in class JCVector
o add 
  public void add(int element)
Adds an element. Must be one of the following: 
TAB                 Adds a tab
UNDERLINE           Underlines the text that follows
END_UNDERLINE       Ends the underlining of text
END_HREF            Ends the underlining of text
STRIKETHROUGH       The following text is struckthrough
END_STRIKETHROUGH   Ends the strikethrough of text
NEWLINE             Adds a newline
DEFAULT_COLOR       The following text is drawn using the foreground color of the component
DEFAULT_FONT        The following text is drawn using the font of the component
RESET               The following text is drawn using the font and forground color of the component using default values

o add 
  public void add(int attr,
                  Object value)
Adds an attribute and value. Its attributes and accompanying value are provided below: 
Attribute			Value
HREF           String              Sets a link anchor. The string may contain a TARGET=
HORIZ_SPACE    Integer             Adds a horizontal space
VERT_SPACE     Integer             Offsets the next line by a vertical space
ALIGN          TOP,MIDDLE, BOTTOM  The vertical alignment within each line

o parse 
  public static JCString parse(Component c,
                               String s)
o getApplet 
  public static Applet getApplet(Component comp)
Given an AWT component, follows the component's parents until a parent applet is found. Returns null if no applet is found.

o addImage 
  public boolean addImage(Applet app,
                          String name)
Creates and adds an image, using a name relative to the applet through Applet.getDocumentBase(). The routine waits until the image has been downloaded.

Returns:
false if an error occurred
See Also:
getDocumentBase
o addImage 
  public boolean addImage(Applet app,
                          String url,
                          String name)
Creates and adds an image, using the URL. The routine waits until the image has been downloaded.

Returns:
false if an error occurred
o getHeight 
  public int getHeight(Component comp,
                       Font default_font)
Returns the height.

Parameters:
comp - this is used to obtain the default font
o getWidth 
  public int getWidth(Component comp,
                      Font default_font)
Returns the width.

Parameters:
comp - this is used to obtain the default font
o getSize 
  public Dimension getSize(Component comp,
                           Font default_font)
Returns the size of the JCString.

Parameters:
comp - this is used to obtain the default font
o getLineSize 
  public int getLineSize(Component comp,
                         Font default_font,
                         int index,
                         Dimension size)
Calculates the size of a particular line in a JCString.

Parameters:
comp - used to obtain and set font information
default_font - default font to use if no font specified
index - index of first item on the current line
size - size information is returned inside this object
Returns:
index in the JCString of the first item on the next line
o draw 
  public void draw(Component comp,
                   Graphics gc,
                   Rectangle rect,
                   int align)
Draws the JCString.

Parameters:
comp - used to obtain the default font
gc - the gc to be used
rect - string drawn within the rectangle, clipped to the gc's clipRect
align - alignment: ALIGN_LEFT, ALIGN_CENTER or ALIGN_RIGHT
o setURLoffset 
  public void setURLoffset(int x,
                           int y)
Sets the offset for URL rectangle tracking.

o getURL 
  public String getURL(int x,
                       int y)
This determine whether or not the point is within the HREF's URL.

o getURL 
  public static String getURL(Applet applet,
                              Object value,
                              int x,
                              int y)
Checks whether the point is within an URL stored in a JCString within the active cell.

Parameters:
row,col - the cell position
x,y - the unscrolled co-ordinates
Returns:
the URL, or null if none was found
o showURL 
  public static boolean showURL(String url_string,
                                AppletContext context,
                                Applet applet)
If a URL is present, displays it at the specified location.

o getString 
  public String getString()
Concatenates all string items.

o getImage 
  public Image getImage()
Gets the first image. 

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