Here you can find the source of setTabs(int charactersPerTab, JTextPane textpane)
Parameter | Description |
---|---|
charactersPerTab | a parameter |
textpane | a parameter |
public static void setTabs(int charactersPerTab, JTextPane textpane)
//package com.java2s; /**//from w w w. j a v a 2s. c o m BlackBoard BreadBoard Designer Written and maintained by Matthias Pueski Copyright (c) 2010-2011 Matthias Pueski This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import java.awt.FontMetrics; import javax.swing.JTextPane; import javax.swing.text.SimpleAttributeSet; import javax.swing.text.StyleConstants; import javax.swing.text.TabSet; import javax.swing.text.TabStop; public class Main { /** * Sets the tabWidth for a textpane * * @param charactersPerTab * @param textpane */ public static void setTabs(int charactersPerTab, JTextPane textpane) { charactersPerTab--; FontMetrics fm = textpane.getFontMetrics(textpane.getFont()); int charWidth = fm.charWidth('w'); int tabWidth = charWidth * charactersPerTab; TabStop[] tabs = new TabStop[10]; for (int j = 0; j < tabs.length; j++) { int tab = j + 1; tabs[j] = new TabStop(tab * tabWidth); } TabSet tabSet = new TabSet(tabs); SimpleAttributeSet attributes = new SimpleAttributeSet(); StyleConstants.setTabSet(attributes, tabSet); int length = textpane.getDocument().getLength(); textpane.getStyledDocument().setParagraphAttributes(0, length, attributes, false); } }