001 /* SplitPaneUI.java -- 002 Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package javax.swing.plaf; 040 041 import java.awt.Graphics; 042 043 import javax.swing.JSplitPane; 044 045 /** 046 * An abstract base class for delegates that implement the pluggable 047 * look and feel for a <code>JSplitPane</code>. 048 * 049 * @see javax.swing.JSplitPane 050 * 051 * @author Andrew Selkirk (aselkirk@sympatico.ca) 052 * @author Sascha Brawer (brawer@dandelis.ch) 053 */ 054 public abstract class SplitPaneUI extends ComponentUI 055 { 056 /** 057 * Constructs a new <code>SplitPaneUI</code>. 058 */ 059 public SplitPaneUI() 060 { 061 // Nothing to do here. 062 } 063 064 065 /** 066 * Moves the divider to the location which best respects 067 * the preferred sizes of the children. 068 * 069 * @param pane the <code>JSplitPane</code> for thich this 070 * delegate provides the look and feel. 071 */ 072 public abstract void resetToPreferredSizes(JSplitPane pane); 073 074 075 /** 076 * Moves the divider to the specified location. 077 * 078 * @param pane the <code>JSplitPane</code> for thich this 079 * delegate provides the look and feel. 080 * 081 * @param location the new location of the divider. 082 */ 083 public abstract void setDividerLocation(JSplitPane pane, 084 int location); 085 086 087 /** 088 * Determines the current location of the divider. 089 * 090 * @param pane the <code>JSplitPane</code> for thich this 091 * delegate provides the look and feel. 092 * 093 * @return the current location of the divider. 094 */ 095 public abstract int getDividerLocation(JSplitPane pane); 096 097 098 /** 099 * Determines the minimum location of the divider. 100 * 101 * @param pane the <code>JSplitPane</code> for thich this 102 * delegate provides the look and feel. 103 * 104 * @return the leftmost (or topmost) possible location 105 * of the divider. 106 */ 107 public abstract int getMinimumDividerLocation(JSplitPane pane); 108 109 110 /** 111 * Determines the maximum location of the divider. 112 * 113 * @param pane the <code>JSplitPane</code> for thich this 114 * delegate provides the look and feel. 115 * 116 * @return the bottommost (or rightmost) possible location 117 * of the divider. 118 */ 119 public abstract int getMaximumDividerLocation(JSplitPane pane); 120 121 122 /** 123 * Called by the <code>JSplitPane</code> after it has finished 124 * painting its children. 125 * 126 * @param pane the <code>JSplitPane</code> for thich this 127 * delegate provides the look and feel. 128 * 129 * @param g the Graphics used for painting. 130 */ 131 public abstract void finishedPaintingChildren(JSplitPane pane, 132 Graphics g); 133 }