в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:18:35Z

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== JTextPane: getDocument() ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
public class MainClass extends JFrame {
private JTextPane textPane = new JTextPane();
public MainClass() {
super();
setSize(300, 200);
textPane.setFont(new Font("Serif", Font.PLAIN, 24));
// create some handy attribute sets
SimpleAttributeSet red = new SimpleAttributeSet();
StyleConstants.setForeground(red, Color.red);
StyleConstants.setBold(red, true);
SimpleAttributeSet blue = new SimpleAttributeSet();
StyleConstants.setForeground(blue, Color.blue);
SimpleAttributeSet italic = new SimpleAttributeSet();
StyleConstants.setItalic(italic, true);
StyleConstants.setForeground(italic, Color.orange);
// add the text
append("NULL ", null);
append("Blue", blue);
append("italic", italic);
append("red", red);
Container content = getContentPane();
content.add(new JScrollPane(textPane), BorderLayout.CENTER);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
protected void append(String s, AttributeSet attributes) {
Document d = textPane.getDocument();
try {
d.insertString(d.getLength(), s, attributes);
} catch (BadLocationException ble) {
}
}
public static void main(String[] args) {
new MainClass().setVisible(true);
}
}

</source>



== JTextPane: getStyledDocument() ==



<source lang="java">

import java.awt.Color;
import javax.swing.JTextPane;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;
public class Main {
public static void main(String[] argv) throws Exception {
JTextPane textPane = new JTextPane();
StyledDocument doc = textPane.getStyledDocument();
// Makes text red
Style style = textPane.addStyle("Red", null);
StyleConstants.setForeground(style, Color.red);

}
}

</source>



== JTextPane: insertComponent(Component c) ==



<source lang="java">

import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextPane;
public class PaneInsertionMethods {
public static void main(String[] args) {
final JTextPane pane = new JTextPane();
pane.replaceSelection("text");
pane.insertIcon(new ImageIcon("imageName.gif"));
pane.insertComponent(new JButton("Click Me"));
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(pane, BorderLayout.CENTER);
frame.setSize(360, 180);
frame.setVisible(true);
}
}

</source>



== JTextPane: insertIcon(Icon g) ==



<source lang="java">

import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextPane;
public class PaneInsertionMethods {
public static void main(String[] args) {
final JTextPane pane = new JTextPane();
pane.replaceSelection("text");
pane.insertIcon(new ImageIcon("imageName.gif"));
pane.insertComponent(new JButton("Click Me"));
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(pane, BorderLayout.CENTER);
frame.setSize(360, 180);
frame.setVisible(true);
}
}

</source>



== JTextPane: replaceSelection(String content) ==



<source lang="java">

import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
public class MainClass{
public static void main(String argv[]) {
ColorPane pane = new ColorPane();
for (int n = 1; n <= 400; n += 1) {
if (isPrime(n)) {
pane.append(Color.red, String.valueOf(n) + " ");
} else if (isPerfectSquare(n)) {
pane.append(Color.blue, String.valueOf(n) + " ");
} else {
pane.append(Color.black, String.valueOf(n) + " ");
}
}
JFrame f = new JFrame("ColorPane example");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(new JScrollPane(pane));
f.setSize(600, 400);
f.setVisible(true);
}
public static boolean isPrime(int n) {
if (n < 2)
return false;
double max = Math.sqrt(n);
for (int j = 2; j <= max; j += 1)
if (n % j == 0)
return false; // j is a factor
return true;
}
public static boolean isPerfectSquare(int n) {
int j = 1;
while (j * j < n && j * j > 0)
j += 1;
return (j * j == n);
}

}
class ColorPane extends JTextPane {
public void appendNaive(Color c, String s) {
SimpleAttributeSet aset = new SimpleAttributeSet();
StyleConstants.setForeground(aset, c);
int len = getText().length();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}
public void append(Color c, String s) {
StyleContext sc = StyleContext.getDefaultStyleContext();
AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, c);
int len = getDocument().getLength();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}

}

</source>



== JTextPane: setCaretPosition(int position) ==



<source lang="java">

import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
public class MainClass{
public static void main(String argv[]) {
ColorPane pane = new ColorPane();
for (int n = 1; n <= 400; n += 1) {
if (isPrime(n)) {
pane.append(Color.red, String.valueOf(n) + " ");
} else if (isPerfectSquare(n)) {
pane.append(Color.blue, String.valueOf(n) + " ");
} else {
pane.append(Color.black, String.valueOf(n) + " ");
}
}
JFrame f = new JFrame("ColorPane example");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(new JScrollPane(pane));
f.setSize(600, 400);
f.setVisible(true);
}
public static boolean isPrime(int n) {
if (n < 2)
return false;
double max = Math.sqrt(n);
for (int j = 2; j <= max; j += 1)
if (n % j == 0)
return false; // j is a factor
return true;
}
public static boolean isPerfectSquare(int n) {
int j = 1;
while (j * j < n && j * j > 0)
j += 1;
return (j * j == n);
}

}
class ColorPane extends JTextPane {
public void appendNaive(Color c, String s) {
SimpleAttributeSet aset = new SimpleAttributeSet();
StyleConstants.setForeground(aset, c);
int len = getText().length();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}
public void append(Color c, String s) {
StyleContext sc = StyleContext.getDefaultStyleContext();
AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, c);
int len = getDocument().getLength();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}

}

</source>



== JTextPane.setCharacterAttributes(AttributeSet attr, boolean replace) ==



<source lang="java">

import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
public class MainClass{
public static void main(String argv[]) {
ColorPane pane = new ColorPane();
for (int n = 1; n <= 400; n += 1) {
if (isPrime(n)) {
pane.append(Color.red, String.valueOf(n) + " ");
} else if (isPerfectSquare(n)) {
pane.append(Color.blue, String.valueOf(n) + " ");
} else {
pane.append(Color.black, String.valueOf(n) + " ");
}
}
JFrame f = new JFrame("ColorPane example");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(new JScrollPane(pane));
f.setSize(600, 400);
f.setVisible(true);
}
public static boolean isPrime(int n) {
if (n < 2)
return false;
double max = Math.sqrt(n);
for (int j = 2; j <= max; j += 1)
if (n % j == 0)
return false; // j is a factor
return true;
}
public static boolean isPerfectSquare(int n) {
int j = 1;
while (j * j < n && j * j > 0)
j += 1;
return (j * j == n);
}

}
class ColorPane extends JTextPane {
public void appendNaive(Color c, String s) {
SimpleAttributeSet aset = new SimpleAttributeSet();
StyleConstants.setForeground(aset, c);
int len = getText().length();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}
public void append(Color c, String s) {
StyleContext sc = StyleContext.getDefaultStyleContext();
AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, c);
int len = getDocument().getLength();
setCaretPosition(len);
setCharacterAttributes(aset, false);
replaceSelection(s);
}

}

</source>



== JTextPane: setFont(Font font) ==



<source lang="java">

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
public class MainClass extends JFrame {
private JTextPane textPane = new JTextPane();
public MainClass() {
super();
setSize(300, 200);
textPane.setFont(new Font("Serif", Font.PLAIN, 24));
// create some handy attribute sets
SimpleAttributeSet red = new SimpleAttributeSet();
StyleConstants.setForeground(red, Color.red);
StyleConstants.setBold(red, true);
SimpleAttributeSet blue = new SimpleAttributeSet();
StyleConstants.setForeground(blue, Color.blue);
SimpleAttributeSet italic = new SimpleAttributeSet();
StyleConstants.setItalic(italic, true);
StyleConstants.setForeground(italic, Color.orange);
// add the text
append("NULL ", null);
append("Blue", blue);
append("italic", italic);
append("red", red);
Container content = getContentPane();
content.add(new JScrollPane(textPane), BorderLayout.CENTER);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
protected void append(String s, AttributeSet attributes) {
Document d = textPane.getDocument();
try {
d.insertString(d.getLength(), s, attributes);
} catch (BadLocationException ble) {
}
}
public static void main(String[] args) {
new MainClass().setVisible(true);
}
}

</source>



== JTextPane: setLogicalStyle(Style s) ==



<source lang="java">

import java.util.ArrayList;
import java.util.List;
import javax.swing.JTextPane;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.TabSet;
import javax.swing.text.TabStop;
public class Main {
public static void main(String[] argv) {
JTextPane textPane = new JTextPane();
List list = new ArrayList();
TabStop[] tstops = (TabStop[]) list.toArray(new TabStop[0]);
TabSet tabs = new TabSet(tstops);
Style style = textPane.getLogicalStyle();
StyleConstants.setTabSet(style, tabs);
textPane.setLogicalStyle(style);
}
}

</source>



== JTextPane: setParagraphAttributes(AttributeSet attr, boolean replace) ==



<source lang="java">

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
import javax.swing.text.TabSet;
import javax.swing.text.TabStop;
public class Main {
public static void main(String[] args) {
JTextPane pane = new JTextPane();
TabStop[] tabs = new TabStop[1];
tabs[0] = new TabStop(60, TabStop.ALIGN_RIGHT, TabStop.LEAD_NONE);
TabSet tabset = new TabSet(tabs);
StyleContext sc = StyleContext.getDefaultStyleContext();
AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY,
StyleConstants.TabSet, tabset);
pane.setParagraphAttributes(aset, false);
pane.setText("\tright\tleft\tcenter\tdecimal\n" + "\t1\t1\t1\t1.0\n"
+ "\t200.002\t200.002\t200.002\t200.002\n"
+ "\t.33\t.33\t.33\t.33\n");
JFrame frame = new JFrame("TabExample");
frame.setContentPane(new JScrollPane(pane));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(360, 120);
frame.setVisible(true);
}
}

</source>

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Java by API/javax.swing/JTextPane - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия