?? bufferswitcher.java
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/* * BufferSwitcher.java - Status bar * Copyright (C) 2000 Slava Pestov * * 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 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. */package org.gjt.sp.jedit.gui;import javax.swing.*;import java.awt.event.*;import java.awt.*;import org.gjt.sp.jedit.*;public class BufferSwitcher extends JComboBox{ public BufferSwitcher(EditPane editPane) { this.editPane = editPane; //setFont(new Font("Dialog",Font.BOLD,10)); setRenderer(new BufferCellRenderer()); setMaximumRowCount(jEdit.getIntegerProperty("bufferSwitcher.maxRowCount",10)); addActionListener(new ActionHandler()); } public void updateBufferList() { // if the buffer count becomes 0, then it is guaranteed to // become 1 very soon, so don't do anything in that case. if(jEdit.getBufferCount() == 0) return; updating = true; setMaximumRowCount(jEdit.getIntegerProperty("bufferSwitcher.maxRowCount",10)); setModel(new DefaultComboBoxModel(jEdit.getBuffers())); setSelectedItem(editPane.getBuffer()); updating = false; } // private members private EditPane editPane; private boolean updating; class ActionHandler implements ActionListener { public void actionPerformed(ActionEvent evt) { if(!updating) { Buffer buffer = (Buffer)getSelectedItem(); if(buffer != null) editPane.setBuffer(buffer); } } } class BufferCellRenderer extends DefaultListCellRenderer { public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { super.getListCellRendererComponent(list,value,index, isSelected,cellHasFocus); Buffer buffer = (Buffer)value; if(buffer == null) setIcon(null); else setIcon(buffer.getIcon()); return this; } }}
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