Java Utilities.getRowStart方法代码示例

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public int getRow(int pos,JTextArea textPane1)
{
    int rn=(pos==0) ? 1:0;
    try
    {
        int offs=pos;
        while(offs>0)
        {
            offs=Utilities.getRowStart(textPane1, offs)-1;
            rn++;
        }
    }
    catch(BadLocationException evt){ evt.printStackTrace();}

    return rn;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
/**
 * Get the cursor position for the popup menu
 * 
 * @param jText
 *            current JTextComponent
 * @return the current position
 * @throws BadLocationException
 *             should never occur
 */
protected int getCursorPosition( JTextComponent jText ) throws BadLocationException {
    Caret caret = jText.getCaret();
    int offs;
    Point p = jText.getMousePosition();
    if( p != null ) {
        // use position from mouse click and not from editor cursor position 
        offs = jText.viewToModel( p );
        // calculate rectangle of line
        int startPos = Utilities.getRowStart( jText, offs );
        int endPos = Utilities.getRowEnd( jText, offs );
        Rectangle bounds = jText.modelToView( startPos ).union( jText.modelToView( endPos ) );
        if( !bounds.contains( p ) ){
            return -1; // mouse is outside of text
        }
    } else {
        offs = Math.min( caret.getDot(), caret.getMark() );
    }
    Document doc = jText.getDocument();
    if( offs > 0 && (offs >= doc.getLength() || Character.isWhitespace( doc.getText( offs, 1 ).charAt( 0 ) )) ) {
        // if the next character is a white space then use the word on the left site
        offs--;
    }
    return offs;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public void action()
{
	JTextComponent c = getTextComponent();
	if(c != null)
	{
		try
		{
			int offs = c.getCaretPosition();
			int begOffs = Utilities.getRowStart(c, offs);
			if(select)
			{
				c.moveCaretPosition(begOffs);
			}
			else
			{
				c.setCaretPosition(begOffs);
			}
		}
		catch(Exception e)
		{
			UIManager.getLookAndFeel().provideErrorFeedback(c);
		}
	}
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
@Override
public void mouseClicked(MouseEvent me) {
    if (me.getClickCount() < 2) return;

    int pos = output.viewToModel(me.getPoint());

    try {
        int rowStart = Utilities.getRowStart(output, pos);
        int rowEnd = Utilities.getRowEnd(output, pos);
        String line = output.getDocument().getText(rowStart, rowEnd - rowStart);
        if (opListener.getCmdHistory().contains(line)) {
            output.select(rowStart, rowEnd);
            cliGuiCtx.getCommandLine().getCmdText().setText(line);
            systemClipboard.setContents(new StringSelection(line), this);
        }
    } catch (BadLocationException e) {
        e.printStackTrace();
    }

}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public int getColumn(int pos,JTextArea textPane1)
{
    try
    {
        return pos-Utilities.getRowStart(textPane1, pos)+1;
    }
    catch (BadLocationException evt) {evt.printStackTrace();  }

    return -1;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public static int getRow(int pos, JTextPane editor) {
    int rn = (pos == 0) ? 1 : 0;
    try {
        int offs = pos;
        while (offs > 0) {
            offs = Utilities.getRowStart(editor, offs) - 1;
            rn++;
        }
    } catch (BadLocationException e) {
    }
    return rn;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public static int getColumn(int pos, JTextPane editor) {
    try {
        return pos - Utilities.getRowStart(editor, pos) + 1;
    } catch (BadLocationException e) {
    }
    return -1;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
private int getCurrentCaretPosition() {
	int rowNum=0;
	try {
		int caretPos = PrincipalWindow.interpreter.getCaretPosition();
		rowNum = (caretPos == 0) ? 1 : 0;
		for (int offset = caretPos; offset > 0;) {
		    offset = Utilities.getRowStart(PrincipalWindow.interpreter, offset) - 1;
		    rowNum++;
		}
	} catch (BadLocationException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}
	return rowNum;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
private static int getRow(final int pos, final JTextComponent editor) {
  int rn = (pos == 0) ? 1 : 0;
  try {
    int offs = pos;
    while (offs > 0) {
      offs = Utilities.getRowStart(editor, offs) - 1;
      rn++;
    }
  } catch (BadLocationException e) {
    LOGGER.error("Bad location", e); //NOI18N
  }
  return rn;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
private static int getColumn(final int pos, final JTextComponent editor) {
  try {
    return pos - Utilities.getRowStart(editor, pos) + 1;
  } catch (BadLocationException e) {
    LOGGER.error("Bad location", e); //NOI18N
  }
  return -1;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
private int currentLine() {
    int caretPos = scriptField.getCaretPosition();
    int rowNum = (caretPos == 0) ? 1 : 0;
    for (int offset = caretPos; offset > 0; ) {
        try {
            offset = Utilities.getRowStart(scriptField, offset) - 1;
        } catch (BadLocationException e) {
            e.printStackTrace();
        }
        rowNum++;
    }
    return rowNum;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
/**
 * 指定キャレット位置の行番号を取得する
 * 
 * @param editor
 *            テキストコンポーネント
 * @param pos
 *            キャレット位置
 * @return 行番号(1〜)
 */
public static int getRow(JTextComponent editor, int pos) {
	int rn = (pos == 0) ? 1 : 0;
	try {
		int offs = pos;
		while (offs > 0) {
			offs = Utilities.getRowStart(editor, offs) - 1;
			rn++;
		}
	} catch (BadLocationException e) {
		e.printStackTrace();
	}
	return rn;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public static int getRow(int pos, JTextComponent editor) {
    int rn = (pos==0) ? 1 : 0;
    try {
        int offs=pos;
        while( offs>0) {
            offs=Utilities.getRowStart(editor, offs)-1;
            rn++;
        }
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
    return rn;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
public static int getColumn(int pos, JTextComponent editor) {
    try {
        return pos-Utilities.getRowStart(editor, pos)+1;
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
    return -1;
}
 

import javax.swing.text.Utilities; //导入方法依赖的package包/类
private boolean shouldComment(int start, int end) throws BadLocationException {
    int offset = start;
    int length = editor.getDocument().getLength();
    
    do {
        int rowStart = Utilities.getRowStart(editor, offset);
        int rowEnd = Utilities.getRowEnd(editor, offset);
        if(!isCommented(rowStart, rowEnd))
            return true;
        offset = rowEnd + 1;
    } while(offset <= end && offset < length);
    
    return false;
}