Source Code Cross Referenced for HtmlToolbar.java in  » Mail-Clients » columba-1.4 » org » columba » mail » gui » composer » html » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Mail Clients » columba 1.4 » org.columba.mail.gui.composer.html 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //The contents of this file are subject to the Mozilla Public License Version 1.1
002:        //(the "License"); you may not use this file except in compliance with the
003:        //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
004:        //
005:        //Software distributed under the License is distributed on an "AS IS" basis,
006:        //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
007:        //for the specific language governing rights and
008:        //limitations under the License.
009:        //
010:        //The Original Code is "The Columba Project"
011:        //
012:        //The Initial Developers of the Original Code are Frederik Dietz and Timo Stich.
013:        //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
014:        //
015:        //All Rights Reserved.
016:
017:        package org.columba.mail.gui.composer.html;
018:
019:        import java.awt.Component;
020:        import java.awt.event.ActionEvent;
021:        import java.awt.event.ActionListener;
022:        import java.util.logging.Logger;
023:
024:        import javax.swing.BorderFactory;
025:        import javax.swing.Box;
026:        import javax.swing.DefaultListCellRenderer;
027:        import javax.swing.JComboBox;
028:        import javax.swing.JList;
029:        import javax.swing.JToolBar;
030:        import javax.swing.UIManager;
031:        import javax.swing.text.html.HTML;
032:
033:        import org.columba.api.gui.frame.IFrameMediator;
034:        import org.columba.api.plugin.IExtension;
035:        import org.columba.api.plugin.IExtensionHandler;
036:        import org.columba.api.plugin.IExtensionHandlerKeys;
037:        import org.columba.api.plugin.PluginException;
038:        import org.columba.api.plugin.PluginHandlerNotFoundException;
039:        import org.columba.core.gui.action.AbstractColumbaAction;
040:        import org.columba.core.gui.action.AbstractSelectableAction;
041:        import org.columba.core.gui.base.LabelWithMnemonic;
042:        import org.columba.core.gui.base.RoundedBorder;
043:        import org.columba.core.gui.toolbar.ToggleToolbarButton;
044:        import org.columba.core.logging.Logging;
045:        import org.columba.core.plugin.PluginManager;
046:        import org.columba.mail.gui.composer.ComposerController;
047:        import org.columba.mail.gui.composer.ComposerModelChangedEvent;
048:        import org.columba.mail.gui.composer.IComposerModelChangedListener;
049:        import org.columba.mail.gui.composer.html.action.FontSizeMenu;
050:        import org.columba.mail.gui.composer.html.action.ParagraphMenu;
051:        import org.columba.mail.util.MailResourceLoader;
052:        import org.frapuccino.htmleditor.api.IFormatChangedListener;
053:        import org.frapuccino.htmleditor.event.FormatChangedEvent;
054:        import org.frapuccino.htmleditor.event.FormatInfo;
055:
056:        /**
057:         * JPanel with useful HTML related actions.
058:         *
059:         * @author fdietz
060:         */
061:        public class HtmlToolbar extends JToolBar implements  ActionListener,
062:                IFormatChangedListener, IComposerModelChangedListener {
063:
064:            /** JDK 1.4+ logging framework logger, used for logging. */
065:            private static final Logger LOG = Logger
066:                    .getLogger("org.columba.mail.gui.composer.html");
067:
068:            private ComposerController controller;
069:
070:            private JComboBox paragraphComboBox;
071:
072:            private JComboBox sizeComboBox;
073:
074:            /**
075:             * Flag indicating whether we are programatically changing the paragraph
076:             * combobox, and therefore shall do nothing in actionPerformed.
077:             */
078:            private boolean ignoreFormatAction = false;
079:
080:            private IExtensionHandler handler = null;
081:
082:            /**
083:             *
084:             */
085:            public HtmlToolbar(ComposerController controller) {
086:                super ();
087:                this .controller = controller;
088:
089:                setBorder(BorderFactory.createCompoundBorder(new RoundedBorder(
090:                        UIManager.getColor("controlShadow")), BorderFactory
091:                        .createEmptyBorder(4, 4, 4, 4)));
092:
093:                setRollover(true);
094:
095:                setFloatable(false);
096:
097:                try {
098:                    handler = PluginManager.getInstance().getExtensionHandler(
099:                            IExtensionHandlerKeys.ORG_COLUMBA_CORE_ACTION);
100:                } catch (PluginHandlerNotFoundException e) {
101:                    e.printStackTrace();
102:                }
103:
104:                try {
105:                    initComponents();
106:                } catch (Exception e) {
107:                    e.printStackTrace();
108:                }
109:
110:                ((HtmlEditorController2) controller.getHtmlEditorController())
111:                        .addFormatChangedListener(this );
112:
113:                // register for text selection changes
114:                // controller.getEditorController().addObserver(this);
115:
116:                // register for changes to the editor
117:                // controller.addContainerListenerForEditor(this);
118:
119:                // register for changes to editor type (text / html)
120:                controller.getModel().addModelChangedListener(this );
121:
122:                // XmlElement optionsElement = MailConfig.getInstance().get(
123:                // "composer_options").getElement("/options");
124:                // XmlElement htmlElement = optionsElement.getElement("html");
125:                //
126:                // if (htmlElement == null) {
127:                // htmlElement = optionsElement.addSubElement("html");
128:                // }
129:                //
130:                // htmlElement.addObserver(this);
131:            }
132:
133:            protected void initComponents() throws Exception {
134:                // CellConstraints cc = new CellConstraints();
135:
136:                // we generate most buttons using the actions already instanciated
137:
138:                paragraphComboBox = new JComboBox(ParagraphMenu.STYLE_TAGS);
139:                paragraphComboBox.setRenderer(new ParagraphTagRenderer());
140:                paragraphComboBox.setActionCommand("PARA");
141:                paragraphComboBox.addActionListener(this );
142:                paragraphComboBox.setFocusable(false);
143:
144:                LabelWithMnemonic sizeLabel = new LabelWithMnemonic(
145:                        MailResourceLoader.getString("dialog", "composer",
146:                                "size"));
147:                sizeComboBox = new JComboBox(FontSizeMenu.SIZES);
148:                sizeComboBox.setActionCommand("SIZE");
149:                sizeComboBox.addActionListener(this );
150:                sizeComboBox.setSelectedIndex(2);
151:                sizeComboBox.setFocusable(false);
152:
153:                // set initial enabled state of combo boxes
154:                // XmlElement optionsElement = MailConfig.getInstance().get(
155:                // "composer_options").getElement("/options");
156:                // XmlElement htmlElement = optionsElement.getElement("html");
157:                // String s = htmlElement.getAttribute("enable", "false");
158:                // boolean enableHtml = Boolean.valueOf(s).booleanValue();
159:
160:                // paragraphComboBox.setEnabled(enableHtml);
161:
162:                // TODO (@author javaprog):sizeComboBox can be enabled as
163:                // paragraphComboBox when implemented
164:                sizeComboBox.setEnabled(false);
165:
166:                ToggleToolbarButton boldFormatButton = new ToggleToolbarButton(
167:                        (AbstractSelectableAction) getAction(
168:                                "BoldFormatAction", getFrameController()));
169:                ToggleToolbarButton italicFormatButton = new ToggleToolbarButton(
170:                        (AbstractSelectableAction) getAction(
171:                                "ItalicFormatAction", getFrameController()));
172:                ToggleToolbarButton underlineFormatButton = new ToggleToolbarButton(
173:                        (AbstractSelectableAction) getAction(
174:                                "UnderlineFormatAction", getFrameController()));
175:                ToggleToolbarButton strikeoutFormatButton = new ToggleToolbarButton(
176:                        (AbstractSelectableAction) getAction(
177:                                "StrikeoutFormatAction", getFrameController()));
178:                ToggleToolbarButton leftJustifyButton = new ToggleToolbarButton(
179:                        (AbstractSelectableAction) getAction(
180:                                "LeftJustifyAction", getFrameController()));
181:                ToggleToolbarButton centerJustifyButton = new ToggleToolbarButton(
182:                        (AbstractSelectableAction) getAction(
183:                                "CenterJustifyAction", getFrameController()));
184:                ToggleToolbarButton rightJustifyButton = new ToggleToolbarButton(
185:                        (AbstractSelectableAction) getAction(
186:                                "RightJustifyAction", getFrameController()));
187:
188:                // builder.add(paraLabel, cc.xy(1, 7));
189:
190:                add(paragraphComboBox);
191:                addSeparator();
192:                add(sizeLabel);
193:                add(sizeComboBox);
194:                addSeparator();
195:
196:                add(boldFormatButton);
197:                add(italicFormatButton);
198:                add(underlineFormatButton);
199:                add(strikeoutFormatButton);
200:                addSeparator();
201:                add(leftJustifyButton);
202:                add(centerJustifyButton);
203:                add(rightJustifyButton);
204:
205:                add(Box.createHorizontalGlue());
206:                // FormLayout layout = new FormLayout(
207:                // "default, 3dlu, default, 3dlu, default, 3dlu, "
208:                // + "default, 3dlu, default, 3dlu, default, 3dlu, "
209:                // + "default, 6dlu, default, 3dlu, default, 3dlu, "
210:                // + "default, 3dlu", "fill:default");
211:                // PanelBuilder b = new PanelBuilder(this, layout);
212:                //
213:                // CellConstraints c = new CellConstraints();
214:                //
215:                // b.add(paragraphComboBox, cc.xy(1, 1));
216:                // b.add(sizeLabel, cc.xy(3, 1));
217:                // b.add(sizeComboBox, cc.xy(5, 1));
218:                // b.add(boldFormatButton, cc.xy(7, 1));
219:                // b.add(italicFormatButton, cc.xy(9, 1));
220:                // b.add(underlineFormatButton, cc.xy(11, 1));
221:                // b.add(strikeoutFormatButton, cc.xy(13, 1));
222:                // b.add(leftJustifyButton, cc.xy(15, 1));
223:                // b.add(centerJustifyButton, cc.xy(17, 1));
224:                // b.add(rightJustifyButton, cc.xy(19, 1));
225:
226:                // builder.add(panel, cc.xy(1, 7));
227:            }
228:
229:            /**
230:             * @return
231:             */
232:            public ComposerController getFrameController() {
233:                return controller;
234:            }
235:
236:            /**
237:             * Method is called when text selection has changed.
238:             * <p>
239:             * Set state of togglebutton / -menu to pressed / not pressed when
240:             * selections change.
241:             *
242:             * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
243:             */
244:            // public void update(Observable arg0, Object arg1) {
245:            // if (arg0 instanceof HtmlEditorController2) {
246:            // // Handling of paragraph combo box
247:            // // select the item in the combo box corresponding to present format
248:            // FormatInfo info = (FormatInfo) arg1;
249:            //
250:            // if (info.isHeading1()) {
251:            // selectInParagraphComboBox(HTML.Tag.H1);
252:            // } else if (info.isHeading2()) {
253:            // selectInParagraphComboBox(HTML.Tag.H2);
254:            // } else if (info.isHeading3()) {
255:            // selectInParagraphComboBox(HTML.Tag.H3);
256:            // } else if (info.isPreformattet()) {
257:            // selectInParagraphComboBox(HTML.Tag.PRE);
258:            // } else if (info.isAddress()) {
259:            // selectInParagraphComboBox(HTML.Tag.ADDRESS);
260:            // } else {
261:            // // select the "Normal" entry as default
262:            // selectInParagraphComboBox(HTML.Tag.P);
263:            // }
264:            //
265:            // // Font size combo box
266:            // // TODO (@author fdietz): Add handling for font size combo box
267:            // } else if (arg0 instanceof XmlElement) {
268:            // // possibly change btw. html and text
269:            // XmlElement e = (XmlElement) arg0;
270:            //
271:            // if (e.getName().equals("html")) {
272:            // // paragraphComboBox should only be enabled in html mode
273:            // paragraphComboBox.setEnabled(Boolean.valueOf(
274:            // e.getAttribute("enable", "false")).booleanValue());
275:            //
276:            // // TODO (@author fdietz): Add handling for font size combo box
277:            // }
278:            // }
279:            // }
280:            /**
281:             * Private utility to select an item in the paragraph combo box, given the
282:             * corresponding html tag. If such a sub menu does not exist - nothing
283:             * happens
284:             */
285:            private void selectInParagraphComboBox(HTML.Tag tag) {
286:                // need to change selection
287:                // Set ignore flag
288:                ignoreFormatAction = true;
289:
290:                paragraphComboBox.setSelectedItem(tag);
291:
292:                // clear ignore flag
293:                ignoreFormatAction = false;
294:            }
295:
296:            /*
297:             * (non-Javadoc)
298:             *
299:             * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
300:             */
301:            public void actionPerformed(ActionEvent arg0) {
302:                String action = arg0.getActionCommand();
303:
304:                if (action.equals("PARA")) {
305:                    // selection in the paragraph combo box
306:                    if (!ignoreFormatAction) {
307:                        // only do something if ignore flag is not set
308:                        HtmlEditorController2 ctrl = (HtmlEditorController2) getFrameController()
309:                                .getCurrentEditor();
310:
311:                        // set paragraph formatting according to the selection
312:                        int selectedIndex = paragraphComboBox
313:                                .getSelectedIndex();
314:                        HTML.Tag tag = ParagraphMenu.STYLE_TAGS[selectedIndex];
315:
316:                        LOG.fine("Setting paragraph format to: "
317:                                + tag.toString());
318:
319:                        ctrl.setParagraphFormat(tag);
320:                    }
321:                } else if (action.equals("SIZE")) {
322:                    // int selectedIndex = sizeComboBox.getSelectedIndex();
323:
324:                    // TODO (@author fdietz):: implement action for font size combo box!
325:                }
326:            }
327:
328:            // /**
329:            // * This event could mean that a the editor controller has changed.
330:            // Therefore
331:            // * this object is re-registered as observer to keep getting information
332:            // * about format changes.
333:            // *
334:            // * @see
335:            // java.awt.event.ContainerListener#componentAdded(java.awt.event.ContainerEvent)
336:            // */
337:            // public void componentAdded(ContainerEvent e) {
338:            // LOG.info("Re-registering as observer on editor controller");
339:            // controller.getEditorController().addObserver(this);
340:            // }
341:            //
342:            // public void componentRemoved(ContainerEvent e) {
343:            // }
344:
345:            /**
346:             * Cell renderer responsible for displaying localized strings in the combo
347:             * box.
348:             */
349:            protected static class ParagraphTagRenderer extends
350:                    DefaultListCellRenderer {
351:                public Component getListCellRendererComponent(JList list,
352:                        Object value, int index, boolean selected,
353:                        boolean hasFocus) {
354:                    return super .getListCellRendererComponent(list,
355:                            MailResourceLoader
356:                                    .getString("menu", "composer",
357:                                            "menu_format_paragraph_"
358:                                                    + value.toString()), index,
359:                            selected, hasFocus);
360:                }
361:            }
362:
363:            private AbstractColumbaAction getAction(String id,
364:                    IFrameMediator controller) {
365:                if (id == null)
366:                    throw new IllegalArgumentException("id == null");
367:                if (controller == null)
368:                    throw new IllegalArgumentException("controller == null");
369:
370:                IExtension extension = handler.getExtension(id);
371:
372:                AbstractColumbaAction a = null;
373:
374:                try {
375:                    if (extension != null)
376:                        a = (AbstractColumbaAction) extension
377:                                .instanciateExtension(new Object[] { controller });
378:                } catch (PluginException e) {
379:                    LOG.severe(e.getMessage());
380:                    if (Logging.DEBUG)
381:                        e.printStackTrace();
382:
383:                }
384:
385:                return a;
386:
387:            }
388:
389:            // Handling of paragraph combo box
390:            // select the item in the combo box corresponding to present format
391:            public void formatChanged(FormatChangedEvent event) {
392:
393:                FormatInfo info = event.getInfo();
394:
395:                if (info.isHeading1()) {
396:                    selectInParagraphComboBox(HTML.Tag.H1);
397:                } else if (info.isHeading2()) {
398:                    selectInParagraphComboBox(HTML.Tag.H2);
399:                } else if (info.isHeading3()) {
400:                    selectInParagraphComboBox(HTML.Tag.H3);
401:                } else if (info.isPreformattet()) {
402:                    selectInParagraphComboBox(HTML.Tag.PRE);
403:                } else if (info.isAddress()) {
404:                    selectInParagraphComboBox(HTML.Tag.ADDRESS);
405:                } else {
406:                    // select the "Normal" entry as default
407:                    selectInParagraphComboBox(HTML.Tag.P);
408:                }
409:            }
410:
411:            // enable controls if we are not in html edit mode
412:            public void htmlModeChanged(ComposerModelChangedEvent event) {
413:                paragraphComboBox.setEnabled(event.isHtmlEnabled());
414:                sizeComboBox.setEnabled(event.isHtmlEnabled());
415:            }
416:
417:            public void modelChanged(ComposerModelChangedEvent event) {
418:            }
419:        }
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