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package javax.swing.text;
import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.*;
public class JTextComponent extends JComponent
{
class KeyBinding
{
char from, to;
}
int icon_gap;
Icon icon;
int align;
Document doc;
JTextComponent()
{
this("", null, 0);
}
JTextComponent(Icon image)
{
this("", image, 0);
}
JTextComponent(Icon image, int horizontalAlignment)
{
this("", image, horizontalAlignment);
}
JTextComponent(String text)
{
this(text, null, 0);
}
JTextComponent(String text, int horizontalAlignment)
{
this(text, null, horizontalAlignment);
}
JTextComponent(String text, Icon icon, int horizontalAlignment)
{
setDocument(new PlainDocument());
// do the work.....
setText(text);
this.icon = icon;
this.align = horizontalAlignment;
// its an editor, so:
enableEvents(AWTEvent.KEY_EVENT_MASK);
updateUI();
}
void setDocument(Document s)
{
doc = s;
revalidate();
repaint();
}
Document getDocument()
{
if (doc == null)
System.out.println("doc == null !!!");
return doc;
}
protected int checkHorizontalKey(int key, String message)
{
// Verify that key is a legal value for the horizontalAlignment properties.
return 0;
}
protected int checkVerticalKey(int key, String message)
{
// Verify that key is a legal value for the verticalAlignment or verticalTextPosition properties.
return 0;
}
AccessibleContext getAccessibleContext()
{
// Get the AccessibleContext of this object
return null;
}
Icon getDisabledIcon()
{
return null;
}
int getDisplayedMnemonic()
{
// Return the keycode that indicates a mnemonic key.
return 0;
}
int getHorizontalAlignment()
{
// Returns the alignment of the label's contents along the X axis.
return 0;
}
int getHorizontalTextPosition()
{
// Returns the horizontal position of the label's text, relative to its image.
return 0;
}
Icon getIcon()
{ return icon; }
int getIconTextGap()
{ return icon_gap; }
Component getLabelFor()
{
// Get the component this is labelling.
return null;
}
void setText(String text)
{
getDocument().remove(0,doc.getLength());
getDocument().insertString(0, text, null);
}
public String getText()
{
return getDocument().getText(0,
getDocument().getLength());
}
String getUIClassID()
{
// Returns a string that specifies the name of the l&f class that renders this component.
return "JTextComponent";
}
int getVerticalAlignment()
{
// Returns the alignment of the label's contents along the Y axis.
return 0;
}
int getVerticalTextPosition()
{
// Returns the vertical position of the label's text, relative to its image.
return 0;
}
public boolean imageUpdate(Image img, int infoflags, int x, int y, int w, int h)
{
// This is overriden to return false if the current Icon's Image is not equal to the passed in Image img.
return (img == icon);
}
protected String paramString()
{
// Returns a string representation of this JTextComponent.
return "JTextComponent";
}
void setDisabledIcon(Icon disabledIcon)
{
// Set the icon to be displayed if this JTextComponent is "disabled" (JTextComponent.setEnabled(false)).
}
void setDisplayedMnemonic(char aChar)
{
// Specifies the displayedMnemonic as a char value.
}
void setDisplayedMnemonic(int key)
{
// Specify a keycode that indicates a mnemonic key.
}
void setHorizontalAlignment(int alignment)
{
// Sets the alignment of the label's contents along the X axis.
}
void setHorizontalTextPosition(int textPosition)
{
// Sets the horizontal position of the label's text, relative to its image.
}
void setIcon(Icon icon)
{
// Defines the icon this component will display.
}
void setIconTextGap(int iconTextGap)
{
// If both the icon and text properties are set, this property defines the space between them.
}
void setLabelFor(Component c)
{
// Set the component this is labelling.
}
void setVerticalAlignment(int alignment)
{
// Sets the alignment of the label's contents along the Y axis.
}
void setVerticalTextPosition(int textPosition)
{
// Sets the vertical position of the label's text, relative to its image.
}
TextUI getUI()
{ return (TextUI) ui;
}
void updateUI()
{
TextUI b = (TextUI)UIManager.getUI(this);
setUI(b);
}
}
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