Source Code Cross Referenced for OpenContentBorder.java in  » Swing-Library » InfoNode-Tabbed-Panel » net » infonode » tabbedpanel » border » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » InfoNode Tabbed Panel » net.infonode.tabbedpanel.border 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (C) 2004 NNL Technology AB
003:         * Visit www.infonode.net for information about InfoNode(R) 
004:         * products and how to contact NNL Technology AB.
005:         *
006:         * This program is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU General Public License
008:         * as published by the Free Software Foundation; either version 2
009:         * of the License, or (at your option) any later version.
010:         *
011:         * This program is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:         * GNU General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU General Public License
017:         * along with this program; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
019:         * MA 02111-1307, USA.
020:         */
021:
022:        // $Id: OpenContentBorder.java,v 1.29 2005/07/17 14:29:05 johan Exp $
023:        package net.infonode.tabbedpanel.border;
024:
025:        import net.infonode.gui.GraphicsUtil;
026:        import net.infonode.gui.colorprovider.ColorProvider;
027:        import net.infonode.gui.colorprovider.ColorProviderUtil;
028:        import net.infonode.gui.colorprovider.FixedColorProvider;
029:        import net.infonode.gui.colorprovider.UIManagerColorProvider;
030:        import net.infonode.tabbedpanel.Tab;
031:        import net.infonode.tabbedpanel.TabbedPanel;
032:        import net.infonode.tabbedpanel.TabbedUtils;
033:        import net.infonode.util.Direction;
034:
035:        import javax.swing.*;
036:        import javax.swing.border.Border;
037:        import java.awt.*;
038:        import java.awt.geom.PathIterator;
039:        import java.io.Serializable;
040:
041:        /**
042:         * <p>
043:         * OpenContentBorder is a border that draws a 1 pixel wide line border around a
044:         * component that is used as content area component in a tabbed panel. The border
045:         * also optionally draws a highlight inside the line on the top and left sides of the
046:         * component. It is open, i.e. no content border will be drawn where the highlighted
047:         * tab in the tabbed panel is located.
048:         * </p>
049:         *
050:         * <p>
051:         * If the highlighted tab has a {@link net.infonode.gui.shaped.border.ShapedBorder} its
052:         * shape will be used to calculate where the OpenContentBorder should be open.
053:         * </p>
054:         *
055:         * @author $Author: johan $
056:         * @version $Revision: 1.29 $
057:         * @see TabbedPanel
058:         */
059:        public class OpenContentBorder implements  Border, Serializable {
060:            private static final long serialVersionUID = 1;
061:
062:            private ColorProvider topLeftLineColor;
063:            private ColorProvider bottomRightLineColor;
064:            private ColorProvider highlightColorProvider;
065:            private int tabLeftInset = 1;
066:
067:            /**
068:             * Constructor.
069:             *
070:             * @param color        the line color
071:             * @param tabLeftInset the left border inset of the tab
072:             */
073:            public OpenContentBorder(Color color, int tabLeftInset) {
074:                this (color);
075:                this .tabLeftInset = tabLeftInset;
076:            }
077:
078:            /**
079:             * Constructor. Uses the TabbedPane.darkShadow color from the UIManager as line color.
080:             */
081:            public OpenContentBorder() {
082:                this (null);
083:            }
084:
085:            /**
086:             * Constructs a OpenContentBorder without highlight and with the given color as line
087:             * color.
088:             *
089:             * @param color the line color
090:             */
091:            public OpenContentBorder(Color color) {
092:                this (color, null);
093:            }
094:
095:            /**
096:             * Constructs a OpenContentBorder with highlight and with the given colors as line
097:             * color and highlight color.
098:             *
099:             * @param color          the line color
100:             * @param highlightColor the highlight color
101:             */
102:            public OpenContentBorder(Color color, Color highlightColor) {
103:                this (ColorProviderUtil.getColorProvider(color,
104:                        UIManagerColorProvider.TABBED_PANE_DARK_SHADOW),
105:                        highlightColor == null ? null : new FixedColorProvider(
106:                                highlightColor), 1);
107:            }
108:
109:            /**
110:             * Constructs a OpenContentBorder with highlight and with the given colors as line
111:             * color and highlight color.
112:             *
113:             * @param lineColor              the line color provider
114:             * @param highlightColorProvider the highlight color provider
115:             * @param tabLeftInset           the left border inset of the tab
116:             */
117:            public OpenContentBorder(ColorProvider lineColor,
118:                    ColorProvider highlightColorProvider, int tabLeftInset) {
119:                this (lineColor, lineColor, highlightColorProvider, tabLeftInset);
120:            }
121:
122:            /**
123:             * Constructs a OpenContentBorder with highlight and with the given colors as line
124:             * color and highlight color.
125:             *
126:             * @param topLeftLineColor       the line color provider for the top and left lines
127:             * @param bottomRightLineColor   the line color provider for the bottom and right lines
128:             * @param highlightColorProvider the highlight color provider
129:             * @param tabLeftInset           the left border inset of the tab
130:             */
131:            public OpenContentBorder(ColorProvider topLeftLineColor,
132:                    ColorProvider bottomRightLineColor,
133:                    ColorProvider highlightColorProvider, int tabLeftInset) {
134:                this .topLeftLineColor = topLeftLineColor;
135:                this .bottomRightLineColor = bottomRightLineColor;
136:                this .highlightColorProvider = highlightColorProvider;
137:                this .tabLeftInset = tabLeftInset;
138:            }
139:
140:            private static int getLineIntersection(int edge, float x1,
141:                    float y1, float x2, float y2, Direction orientation) {
142:                return (orientation.isHorizontal() ?
143:
144:                ((x1 <= edge && x2 >= edge) || (x1 >= edge && x2 <= edge) ? Math
145:                        .round(x2 == x1 ? y2 : y1 + (edge - x1) * (y2 - y1)
146:                                / (x2 - x1))
147:                        : Integer.MAX_VALUE)
148:                        :
149:
150:                        ((y1 <= edge && y2 >= edge)
151:                                || (y1 >= edge && y2 <= edge) ? Math
152:                                .round(y2 == y1 ? x2 : x1 + (edge - y1)
153:                                        * (x2 - x1) / (y2 - y1))
154:                                : Integer.MAX_VALUE));
155:            }
156:
157:            private static Point getTabBounds(Component c, Tab tab,
158:                    Direction orientation, int x, int y, int width, int height) {
159:                Rectangle r = tab.getVisibleRect();
160:                r = SwingUtilities.convertRectangle(tab, r, c);
161:                int start = orientation.isHorizontal() ? Math.max(y, r.y)
162:                        : Math.max(x, r.x);
163:                int end = start
164:                        + (orientation.isHorizontal() ? r.height : r.width) - 1;
165:                Shape shape = tab.getShape();
166:
167:                if (shape != null) {
168:                    int edge = orientation == Direction.UP ? tab.getHeight()
169:                            : orientation == Direction.RIGHT ? -1
170:                                    : orientation == Direction.DOWN ? -1 : tab
171:                                            .getWidth();
172:
173:                    float[] coords = new float[6];
174:                    PathIterator it = shape.getPathIterator(null);
175:                    it.currentSegment(coords);
176:                    it.next();
177:                    float x1 = coords[0];
178:                    float y1 = coords[1];
179:                    int min = Integer.MAX_VALUE;
180:                    int max = Integer.MIN_VALUE;
181:
182:                    for (; !it.isDone(); it.next()) {
183:                        float lastX = coords[0];
184:                        float lastY = coords[1];
185:                        int type = it.currentSegment(coords);
186:                        int li = getLineIntersection(edge, lastX, lastY,
187:                                coords[0], coords[1], orientation);
188:
189:                        if (li != Integer.MAX_VALUE) {
190:                            if (li < min)
191:                                min = li;
192:
193:                            if (li > max)
194:                                max = li;
195:                        }
196:                    }
197:
198:                    int li = getLineIntersection(edge, coords[0], coords[1],
199:                            x1, y1, orientation);
200:
201:                    if (li != Integer.MAX_VALUE) {
202:                        if (li < min)
203:                            min = li;
204:
205:                        if (li > max)
206:                            max = li;
207:                    }
208:
209:                    Point p0 = SwingUtilities.convertPoint(tab, 0, 0, c);
210:
211:                    if (orientation.isHorizontal()) {
212:                        min += p0.y;
213:                        max += p0.y;
214:                    } else {
215:                        min += p0.x;
216:                        max += p0.x;
217:                    }
218:
219:                    start = Math.max(start, min);
220:                    end = Math.min(end, max);
221:                }
222:
223:                return new Point(start, end);
224:            }
225:
226:            public void paintBorder(Component c, Graphics g, int x, int y,
227:                    int width, int height) {
228:                TabbedPanel tabbedPanel = TabbedUtils
229:                        .getParentTabbedPanelContentPanel(c).getTabbedPanel();
230:
231:                if (c != null && tabbedPanel != null) {
232:                    Tab tab = tabbedPanel.getHighlightedTab();
233:                    int tabStart = -1;
234:                    int tabEnd = -1;
235:                    int clipOffset = 0;
236:                    Direction orientation = tabbedPanel.getProperties()
237:                            .getTabAreaOrientation();
238:
239:                    if (tab != null) {
240:                        Point p = getTabBounds(c, tab, orientation, x, y,
241:                                width, height);
242:                        tabStart = p.x;
243:                        tabEnd = p.y;
244:
245:                        Rectangle visible = tab.getVisibleRect();
246:                        int tabWidth = (int) visible.getWidth();
247:                        int tabHeight = (int) visible.getHeight();
248:                        clipOffset = (orientation.isHorizontal() ? tab
249:                                .getHeight() > tabHeight
250:                                : tab.getWidth() > tabWidth) ? -1 : 0;
251:                    }
252:
253:                    Color topLeftColor = topLeftLineColor != null ? topLeftLineColor
254:                            .getColor(c)
255:                            : null;
256:                    Color bottomRightColor = bottomRightLineColor != null ? bottomRightLineColor
257:                            .getColor(c)
258:                            : null;
259:                    Color hc1 = highlightColorProvider == null ? null
260:                            : highlightColorProvider.getColor(c);
261:
262:                    if (orientation == Direction.UP && tab != null) {
263:                        if (topLeftColor != null) {
264:                            g.setColor(topLeftColor);
265:                            drawLine(g, x, y, tabStart - 1 + tabLeftInset, y);
266:                            drawLine(g, tabEnd - clipOffset, y, x + width - 1,
267:                                    y);
268:                        }
269:
270:                        if (highlightColorProvider != null) {
271:                            g.setColor(hc1);
272:                            drawLine(g, x + 1, y + 1, tabStart + tabLeftInset
273:                                    - 1, y + 1);
274:
275:                            if (tabEnd > tabStart)
276:                                drawLine(g, tabStart + tabLeftInset, y,
277:                                        tabStart + tabLeftInset, y + 1);
278:
279:                            drawLine(g, tabEnd, y + 1, x + width - 3, y + 1);
280:                        }
281:                    } else {
282:                        if (topLeftColor != null) {
283:                            g.setColor(topLeftColor);
284:                            drawLine(g, x, y, x + width - 1, y);
285:                        }
286:
287:                        if (highlightColorProvider != null) {
288:                            g.setColor(hc1);
289:                            drawLine(g, x + 1, y + 1, x
290:                                    + width
291:                                    - (orientation == Direction.RIGHT
292:                                            && tabStart == 0 ? 1 : 3), y + 1);
293:                        }
294:                    }
295:
296:                    if (orientation == Direction.LEFT && tab != null) {
297:                        if (topLeftColor != null) {
298:                            g.setColor(topLeftColor);
299:                            drawLine(g, x, y + 1, x, tabStart - 1
300:                                    + tabLeftInset);
301:                            drawLine(g, x, tabEnd - clipOffset, x, y + height
302:                                    - 1);
303:                        }
304:
305:                        if (highlightColorProvider != null) {
306:                            g.setColor(hc1);
307:                            drawLine(g, x + 1, y + 2, x + 1, tabStart
308:                                    + tabLeftInset - 1);
309:
310:                            if (tabEnd > tabStart)
311:                                drawLine(g, x, tabStart + tabLeftInset, x + 1,
312:                                        tabStart + tabLeftInset);
313:
314:                            drawLine(g, x + 1, tabEnd, x + 1, y + height - 3);
315:                        }
316:                    } else {
317:                        if (topLeftColor != null) {
318:                            g.setColor(topLeftColor);
319:                            drawLine(g, x, y + 1, x, y + height - 1);
320:                        }
321:
322:                        if (highlightColorProvider != null) {
323:                            g.setColor(hc1);
324:                            drawLine(g, x + 1, y + 2, x + 1, y
325:                                    + height
326:                                    - (orientation == Direction.DOWN
327:                                            && tabStart == 0 ? 1 : 3));
328:                        }
329:                    }
330:
331:                    if (bottomRightColor != null) {
332:                        g.setColor(bottomRightColor);
333:
334:                        if (orientation == Direction.RIGHT && tab != null) {
335:                            drawLine(g, x + width - 1, y + 1, x + width - 1,
336:                                    tabStart - 1 + tabLeftInset);
337:                            drawLine(g, x + width - 1, tabEnd - clipOffset, x
338:                                    + width - 1, y + height - 1);
339:                        } else {
340:                            drawLine(g, x + width - 1, y + 1, x + width - 1, y
341:                                    + height - 1);
342:                        }
343:
344:                        if (orientation == Direction.DOWN && tab != null) {
345:                            g.setColor(bottomRightColor);
346:                            drawLine(g, x + 1, y + height - 1, tabStart - 1
347:                                    + tabLeftInset, y + height - 1);
348:                            drawLine(g, tabEnd - clipOffset, y + height - 1, x
349:                                    + width - 2, y + height - 1);
350:                        } else {
351:                            drawLine(g, x + 1, y + height - 1, x + width - 2, y
352:                                    + height - 1);
353:                        }
354:                    }
355:                }
356:            }
357:
358:            private static void drawLine(Graphics graphics, int x1, int y1,
359:                    int x2, int y2) {
360:                if (x2 < x1 || y2 < y1)
361:                    return;
362:
363:                GraphicsUtil.drawOptimizedLine(graphics, x1, y1, x2, y2);
364:                //graphics.drawLine(x1, y1, x2, y2);
365:            }
366:
367:            public Insets getBorderInsets(Component c) {
368:                int hInset = highlightColorProvider != null ? 1 : 0;
369:                int tlInset = (topLeftLineColor != null ? 1 : 0) + hInset;
370:                int brInset = bottomRightLineColor != null ? 1 : 0;
371:                return new Insets(tlInset, tlInset, brInset, brInset);
372:            }
373:
374:            public boolean isBorderOpaque() {
375:                return true;
376:            }
377:
378:        }
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