Source Code Cross Referenced for MetalLayoutStyle.java in  » IDE-Netbeans » cvsclient » org » jdesktop » layout » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » cvsclient » org.jdesktop.layout 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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 1997-2006 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:
042:        package org.jdesktop.layout;
043:
044:        import java.awt.Container;
045:        import javax.swing.ButtonModel;
046:        import javax.swing.DefaultButtonModel;
047:        import javax.swing.JComponent;
048:        import javax.swing.JToggleButton;
049:        import javax.swing.SwingConstants;
050:        import javax.swing.plaf.metal.MetalLookAndFeel;
051:        import javax.swing.plaf.metal.MetalTheme;
052:        import java.lang.reflect.*;
053:
054:        /**
055:         * An implementation of <code>LayoutStyle</code> for the java look and feel.
056:         * This information comes from the
057:         * <a href="http://java.sun.com/products/jlf/ed2/book/HIG.Visual2.html">
058:         * The Java Look and Feel Design Guidelines</a>.
059:         *
060:         * @version $Revision$
061:         */
062:        class MetalLayoutStyle extends LayoutStyle {
063:            /**
064:             * Whether or not we're using ocean, the default metal theme in 1.5.
065:             */
066:            private boolean isOcean;
067:
068:            public MetalLayoutStyle() {
069:                isOcean = false;
070:                try {
071:                    Method method = MetalLookAndFeel.class.getMethod(
072:                            "getCurrentTheme", (Class[]) null);
073:                    isOcean = ((MetalTheme) method
074:                            .invoke(null, (Object[]) null)).getName() == "Ocean";
075:                } catch (NoSuchMethodException nsme) {
076:                } catch (IllegalAccessException iae) {
077:                } catch (IllegalArgumentException iae2) {
078:                } catch (InvocationTargetException ite) {
079:                }
080:            }
081:
082:            // NOTE: The JLF makes reference to a number of guidelines in terms of
083:            // 6 pixels - 1 pixel.  The rationale is because steel buttons have
084:            // a heavy border followed by a light border, and so that if you pad
085:            // by 6 pixels it'll look like 7.  Using 5 pixels than produces an effect
086:            // of 6 pixels.  With Ocean things are different, the only component
087:            // that you want this behavior to happen with is checkboxs.
088:
089:            public int getPreferredGap(JComponent source, JComponent target,
090:                    int type, int position, Container parent) {
091:                // Invoke super to check arguments.
092:                super .getPreferredGap(source, target, type, position, parent);
093:
094:                if (type == INDENT) {
095:                    if (position == SwingConstants.EAST
096:                            || position == SwingConstants.WEST) {
097:                        int gap = getButtonChildIndent(source, position);
098:                        if (gap != 0) {
099:                            return gap;
100:                        }
101:                        return 12;
102:                    }
103:                    // Treat vertical INDENT as RELATED
104:                    type = RELATED;
105:                }
106:
107:                String sourceCID = source.getUIClassID();
108:                String targetCID = target.getUIClassID();
109:                int offset;
110:
111:                if (type == RELATED) {
112:                    if (sourceCID == "ToggleButtonUI"
113:                            && targetCID == "ToggleButtonUI") {
114:                        ButtonModel sourceModel = ((JToggleButton) source)
115:                                .getModel();
116:                        ButtonModel targetModel = ((JToggleButton) target)
117:                                .getModel();
118:                        if ((sourceModel instanceof  DefaultButtonModel)
119:                                && (targetModel instanceof  DefaultButtonModel)
120:                                && (((DefaultButtonModel) sourceModel)
121:                                        .getGroup() == ((DefaultButtonModel) targetModel)
122:                                        .getGroup())
123:                                && ((DefaultButtonModel) sourceModel)
124:                                        .getGroup() != null) {
125:                            // When toggle buttons are exclusive (that is, they form a
126:                            // radio button set), separate them with 2 pixels. This
127:                            // rule applies whether the toggle buttons appear in a
128:                            // toolbar or elsewhere in the interface.
129:                            // Note: this number does not appear to include any borders
130:                            // and so is not adjusted by the border of the toggle
131:                            // button
132:                            return 2;
133:                        }
134:                        // When toggle buttons are independent (like checkboxes)
135:                        // and used outside a toolbar, separate them with 5
136:                        // pixels.
137:                        if (isOcean) {
138:                            return 6;
139:                        }
140:                        return 5;
141:                    }
142:                    offset = 6;
143:                } else {
144:                    offset = 12;
145:                }
146:                if ((position == SwingConstants.EAST || position == SwingConstants.WEST)
147:                        && ((sourceCID == "LabelUI" && targetCID != "LabelUI") || (sourceCID != "LabelUI" && targetCID == "LabelUI"))) {
148:                    // Insert 12 pixels between the trailing edge of a
149:                    // label and any associated components. Insert 12
150:                    // pixels between the trailing edge of a label and the
151:                    // component it describes when labels are
152:                    // right-aligned. When labels are left-aligned, insert
153:                    // 12 pixels between the trailing edge of the longest
154:                    // label and its associated component
155:                    return getCBRBPadding(source, target, position, offset + 6);
156:                }
157:                return getCBRBPadding(source, target, position, offset);
158:            }
159:
160:            int getCBRBPadding(JComponent source, JComponent target,
161:                    int position, int offset) {
162:                offset = super .getCBRBPadding(source, target, position, offset);
163:                if (offset > 0) {
164:                    int buttonAdjustment = getButtonAdjustment(source, position);
165:                    if (buttonAdjustment == 0) {
166:                        buttonAdjustment = getButtonAdjustment(target,
167:                                flipDirection(position));
168:                    }
169:                    offset -= buttonAdjustment;
170:                }
171:                if (offset < 0) {
172:                    return 0;
173:                }
174:                return offset;
175:            }
176:
177:            private int getButtonAdjustment(JComponent source, int edge) {
178:                String uid = source.getUIClassID();
179:                if (uid == "ButtonUI" || uid == "ToggleButtonUI") {
180:                    if (!isOcean
181:                            && (edge == SwingConstants.EAST || edge == SwingConstants.SOUTH)) {
182:                        return 1;
183:                    }
184:                } else if (edge == SwingConstants.SOUTH) {
185:                    if (uid == "RadioButtonUI"
186:                            || (!isOcean && uid == "CheckBoxUI")) {
187:                        return 1;
188:                    }
189:                }
190:                return 0;
191:            }
192:
193:            public int getContainerGap(JComponent component, int position,
194:                    Container parent) {
195:                super .getContainerGap(component, position, parent);
196:                // Here's the rules we should be honoring:
197:                //
198:                // Include 11 pixels between the bottom and right
199:                // borders of a dialog box and its command
200:                // buttons. (To the eye, the 11-pixel spacing appears
201:                // to be 12 pixels because the white borders on the
202:                // lower and right edges of the button components are
203:                // not visually significant.)
204:                // NOTE: this last text was designed with Steel in mind, not Ocean.
205:                //
206:                // Insert 12 pixels between the edges of the panel and the
207:                // titled border. Insert 11 pixels between the top of the
208:                // title and the component above the titled border. Insert 12
209:                // pixels between the bottom of the title and the top of the
210:                // first label in the panel. Insert 11 pixels between
211:                // component groups and between the bottom of the last
212:                // component and the lower border.
213:                return getCBRBPadding(component, position,
214:                        12 - getButtonAdjustment(component, position));
215:            }
216:        }
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