001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.visualweb.propertyeditors;
042:
043: import java.text.MessageFormat;
044: import java.util.ResourceBundle;
045:
046: /**
047: * A property editor for strings that represent length measurements, as
048: * defined by HTML 4.01. The value may be either a non-negative integer,
049: * which represents an absolute length measured in pixels; or a percentage,
050: * which represents a percentage of the available screen dimension. The
051: * editor will also normalize the submitted string before it is set, e.g.
052: * "<code>000123</code>" will be submitted as "<code>123</code>", and
053: * "<code> 50 % </code>" will be submitted as "<code>50%</code>".
054: *
055: * @author gjmurphy
056: */
057: public class LengthPropertyEditor extends PropertyEditorBase implements
058: com.sun.rave.propertyeditors.LengthPropertyEditor {
059:
060: static ResourceBundle bundle = ResourceBundle
061: .getBundle(LengthPropertyEditor.class.getPackage()
062: .getName()
063: + ".Bundle"); //NOI18N
064:
065: public String getAsText() {
066: if (this .getValue() == null && super .unsetValue == null)
067: return "";
068: return super .getAsText();
069: }
070:
071: public void setAsText(String text) throws IllegalArgumentException {
072: text = text == null ? "" : text.trim();
073: if (text.length() > 0) {
074: try {
075: int value;
076: if (text.endsWith("%")) {
077: value = Integer.parseInt(text.substring(0,
078: text.length() - 1).trim());
079: if (value < 0 || value > 100)
080: throw new IllegalArgumentException();
081: text = Integer.toString(value) + "%";
082: } else {
083: value = Integer.parseInt(text);
084: text = Integer.toString(value);
085: }
086: } catch (NumberFormatException e) {
087: throw new IllegalTextArgumentException(
088: MessageFormat
089: .format(
090: bundle
091: .getString("LengthPropertyEditor.formatErrorMessage"),
092: new String[] { text }), e);
093: }
094: super.setValue(text);
095: } else {
096: super.setValue(null);
097: }
098: }
099:
100: }
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