Esempio n. 1
0
		public void actionPerformed(ActionEvent evt)
		{
			JEditTextArea textArea = getTextArea(evt);

			if(!textArea.isEditable())
			{
				textArea.getToolkit().beep();
				return;
			}

			if(textArea.getSelectionStart()
			   != textArea.getSelectionEnd())
			{
				textArea.setSelectedText("");
			}
			else
			{
				int caret = textArea.getCaretPosition();
				if(caret == textArea.getDocumentLength())
				{
					textArea.getToolkit().beep();
					return;
				}
				try
				{
					textArea.getDocument().remove(caret,1);
				}
				catch(BadLocationException bl)
				{
					bl.printStackTrace();
				}
			}
		}
Esempio n. 2
0
		public void actionPerformed(ActionEvent evt)
		{
			JEditTextArea textArea = getTextArea(evt);

			if(!textArea.isEditable())
			{
				textArea.getToolkit().beep();
				return;
			}

			textArea.setSelectedText("\n");
		}
Esempio n. 3
0
		public void actionPerformed(ActionEvent evt)
		{
			JEditTextArea textArea = getTextArea(evt);
			int start = textArea.getSelectionStart();
			if(start != textArea.getSelectionEnd())
			{
				textArea.setSelectedText("");
			}

			int line = textArea.getCaretLine();
			int lineStart = textArea.getLineStartOffset(line);
			int caret = start - lineStart;

			String lineText = textArea.getLineText(textArea
				.getCaretLine());

			if(caret == 0)
			{
				if(lineStart == 0)
				{
					textArea.getToolkit().beep();
					return;
				}
				caret--;
			}
			else
			{
				String noWordSep = (String)textArea.getDocument().getProperty("noWordSep");
				caret = TextUtilities.findWordStart(lineText,caret,noWordSep);
			}

			try
			{
				textArea.getDocument().remove(
						caret + lineStart,
						start - (caret + lineStart));
			}
			catch(BadLocationException bl)
			{
				bl.printStackTrace();
			}
		}