/*******************************************************************************
* CogTool Copyright Notice and Distribution Terms
* CogTool 1.3, Copyright (c) 2005-2013 Carnegie Mellon University
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
*
* CogTool is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* CogTool 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with CogTool; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* CogTool makes use of several third-party components, with the
* following notices:
*
* Eclipse SWT version 3.448
* Eclipse GEF Draw2D version 3.2.1
*
* Unless otherwise indicated, all Content made available by the Eclipse
* Foundation is provided to you under the terms and conditions of the Eclipse
* Public License Version 1.0 ("EPL"). A copy of the EPL is provided with this
* Content and is also available at http://www.eclipse.org/legal/epl-v10.html.
*
* CLISP version 2.38
*
* Copyright (c) Sam Steingold, Bruno Haible 2001-2006
* This software is distributed under the terms of the FSF Gnu Public License.
* See COPYRIGHT file in clisp installation folder for more information.
*
* ACT-R 6.0
*
* Copyright (c) 1998-2007 Dan Bothell, Mike Byrne, Christian Lebiere &
* John R Anderson.
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
*
* Apache Jakarta Commons-Lang 2.1
*
* This product contains software developed by the Apache Software Foundation
* (http://www.apache.org/)
*
* jopt-simple version 1.0
*
* Copyright (c) 2004-2013 Paul R. Holser, Jr.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Mozilla XULRunner 1.9.0.5
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/.
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The J2SE(TM) Java Runtime Environment version 5.0
*
* Copyright 2009 Sun Microsystems, Inc., 4150
* Network Circle, Santa Clara, California 95054, U.S.A. All
* rights reserved. U.S.
* See the LICENSE file in the jre folder for more information.
******************************************************************************/
package edu.cmu.cs.hcii.cogtool.util;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.GC;
public class SWTStringUtil
{
public static final Font DEFAULT_FONT =
WindowUtil.GLOBAL_DISPLAY.getSystemFont();
public static class SWTWidthComputer implements WidthComputer
{
public static final SWTWidthComputer ONLY = new SWTWidthComputer();
public static final int DEFAULT_WIDTH = 250;
protected static final GC gc = new GC(WindowUtil.GLOBAL_DISPLAY);
private SWTWidthComputer() {}
public static void setFont(Font labelFont)
{
gc.setFont(labelFont);
}
public int computeWidth(String s)
{
return gc.stringExtent(s).x;
}
}
/**
* Insert an ellipsis into a string, removing enough characters to make it
* fit into the desired width, given a default left and right margin.
* @param s the string to abbreviate
* @param ratio the desired ratio of the visible characters at the
* front to those at the back of the resulting string (see EQUAL, NO_FRONT
* and NO_BACK constants in StringUtil for special cases)
* @param labelFont the font that the width computer should use
* @return the resulting abbreviated string
*/
public static String insertEllipsis(String s,
double ratio,
Font labelFont)
{
SWTWidthComputer.setFont(labelFont);
return StringUtil.insertEllipsis(s,
SWTWidthComputer.DEFAULT_WIDTH,
5,
5,
ratio,
SWTWidthComputer.ONLY);
}
/**
* Insert an ellipsis into a string, removing enough characters to make it
* fit into the desired width, given a default left and right margin.
* @param s the string to abbreviate
* @param desiredWidth the width in pixels that the string should fit in
* @param ratio the desired ratio of the visible characters at the
* front to those at the back of the resulting string (see EQUAL, NO_FRONT
* and NO_BACK constants in StringUtil for special cases)
* @param labelFont the font that the width computer should use
* @return the resulting abbreviated string
*/
public static String insertEllipsis(String s,
int desiredWidth,
double ratio,
Font labelFont)
{
SWTWidthComputer.setFont(labelFont);
return StringUtil.insertEllipsis(s,
desiredWidth,
5,
5,
ratio,
SWTWidthComputer.ONLY);
}
public static class SWTEllipsizer implements IEllipsizer
{
protected int desiredWidth;
protected double ratio;
protected Font labelFont;
public SWTEllipsizer(int width, double charRatio, Font f)
{
desiredWidth = width;
ratio = charRatio;
labelFont = f;
}
public String ellipsize(String s)
{
return insertEllipsis(s, desiredWidth, ratio, labelFont);
}
}
}