import java.awt.*;
// CHUVIEW: For displaying and editing Chu spaces
class ChuView extends Panel
{
 // Data
 Chu currentChu;
 
 // GUI elements
 TextField rowField,colField,kField;
 TextArea textArea;
 ChuView() {
 super(); 
 this.currentChu = null; 
 // Build and layout ChuView
 setLayout(new GridBagLayout());
 rowField = new TextField(4); 
 rowField.setEditable(false);
 Layout.addComponent(this, new Label("Points"), 
 0, 0, 1, 1);
 Layout.addComponent(this, rowField, 
 0, 1, 1, 1);
 colField = new TextField(4); 
 colField.setEditable(false);
 Layout.addComponent(this, new Label("States"), 
 1, 0, 1, 1);
 Layout.addComponent(this, colField, 
 1, 1, 1, 1);
 kField = new TextField(4); 
 kField.setEditable(false); 
 Layout.addComponent(this, new Label("k"), 
 2, 0, 1, 1);
 Layout.addComponent(this, kField, 
 2, 1, 1, 1);
 textArea = new TextArea(10,20); 
 textArea.setEditable(false);
 Layout.addComponent(this, textArea, 
 0, 2, 3, 3);
 }
 /* Convenience methods */
 void DisplayMessage(String message)
 {
 currentChu = null;
 rowField.setText("");
 colField.setText("");
 kField.setText("");
 textArea.setText(message);
 }
 // By default, display matrix, nrows, ncols, and k.
 // call DisplaySpace(foo, true) to display only the matrix.
 void DisplaySpace(Chu newChu) { 
 DisplaySpace(newChu, false); 
 } 
 void DisplaySpace(Chu newChu, boolean matrixOnly) 
 {
 if(newChu == null) {
 currentChu = null;
 DisplayMessage("Undefined");
 }
 else if(newChu != currentChu) {
 currentChu = newChu;
 
 if(!matrixOnly) {
 kField.setText(String.valueOf(currentChu.K()));
 rowField.setText(String.valueOf(currentChu.nrows()));
 colField.setText(String.valueOf(currentChu.ncols()));
 }
 try {
 textArea.setText(currentChu.unparse());
 }
 catch(Chu.ParseException x) {
 DisplayMessage(x.getMessage());
 }
 }
 }
 
}
</div><div class="naked_ctrl">
<form action="/index.cgi/larger-text" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="http://chu.stanford.edu/source/ChuView.java">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="http://chu.stanford.edu/source/ChuView.java" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast">配色反転</option>
<option value="larger-text" selected="selected">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>