Source Code Cross Referenced for PreviousMessageAction.java in  » Mail-Clients » columba-1.4 » org » columba » mail » gui » table » action » 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.table.action 
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:        package org.columba.mail.gui.table.action;
017:
018:        import java.awt.event.ActionEvent;
019:
020:        import org.columba.api.gui.frame.IFrameMediator;
021:        import org.columba.api.selection.ISelectionListener;
022:        import org.columba.api.selection.SelectionChangedEvent;
023:        import org.columba.core.command.CommandProcessor;
024:        import org.columba.core.gui.action.AbstractColumbaAction;
025:        import org.columba.core.resourceloader.IconKeys;
026:        import org.columba.core.resourceloader.ImageLoader;
027:        import org.columba.mail.command.IMailFolderCommandReference;
028:        import org.columba.mail.gui.frame.MailFrameMediator;
029:        import org.columba.mail.gui.frame.TableViewOwner;
030:        import org.columba.mail.gui.message.command.ViewMessageCommand;
031:        import org.columba.mail.gui.table.IMessageNode;
032:        import org.columba.mail.gui.table.ITableController;
033:        import org.columba.mail.gui.table.model.MessageNode;
034:        import org.columba.mail.gui.table.selection.TableSelectionChangedEvent;
035:        import org.columba.mail.util.MailResourceLoader;
036:
037:        /**
038:         * Select previous message in message list.
039:         * 
040:         * <p>
041:         * Note that this action is also used in the message-frame (frame without
042:         * folder tree and without message list), which depends on the parent frame
043:         * for referencing messages.
044:         * 
045:         * @see org.columba.mail.gui.messageframe.MessageFrameController
046:         * 
047:         * @author fdietz
048:         */
049:        public class PreviousMessageAction extends AbstractColumbaAction
050:                implements  ISelectionListener {
051:            public PreviousMessageAction(IFrameMediator frameMediator) {
052:                super (frameMediator, MailResourceLoader.getString("menu",
053:                        "mainframe", "menu_view_prevmessage"));
054:
055:                // tooltip text
056:                putValue(SHORT_DESCRIPTION, MailResourceLoader.getString(
057:                        "menu", "mainframe", "menu_view_prevmessage_tooltip")
058:                        .replaceAll("&", ""));
059:
060:                // icons
061:                putValue(LARGE_ICON, ImageLoader.getIcon(IconKeys.GO_PREVIOUS));
062:                putValue(SMALL_ICON, ImageLoader
063:                        .getSmallIcon(IconKeys.GO_PREVIOUS));
064:
065:                // shortcut key
066:                //putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke("B"));
067:
068:                // disable toolbar text
069:                setShowToolBarText(false);
070:
071:                //setEnabled(false);
072:
073:                // uncomment to enable action
074:
075:                /*
076:                 * ((MailFrameMediator)
077:                 * frameMediator).registerTableSelectionListener(this);
078:                 */
079:            }
080:
081:            /**
082:             * 
083:             * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
084:             */
085:            public void actionPerformed(ActionEvent evt) {
086:                IMailFolderCommandReference r = ((MailFrameMediator) getFrameMediator())
087:                        .getTableSelection();
088:                ITableController table = ((TableViewOwner) getFrameMediator())
089:                        .getTableController();
090:                if (table == null)
091:                    return;
092:
093:                if (r == null)
094:                    return;
095:
096:                IMessageNode[] nodes = table.getSelectedNodes();
097:                if (nodes.length == 0)
098:                    return;
099:
100:                MessageNode node = (MessageNode) nodes[0];
101:                MessageNode previousNode = (MessageNode) node.getPreviousNode();
102:                if (previousNode == null)
103:                    return;
104:
105:                //		 necessary for the message-frame only
106:                r.setUids(new Object[] { previousNode.getUid() });
107:                ((MailFrameMediator) getFrameMediator()).setTableSelection(r);
108:                CommandProcessor.getInstance().addOp(
109:                        new ViewMessageCommand(getFrameMediator(), r));
110:
111:                //		 select message in message list
112:                table.setSelected(new Object[] { previousNode.getUid() });
113:            }
114:
115:            /**
116:             * 
117:             * @see org.columba.core.gui.util.ISelectionListener#connectionChanged(org.columba.core.gui.util.SelectionChangedEvent)
118:             */
119:            public void selectionChanged(SelectionChangedEvent e) {
120:                setEnabled(((TableSelectionChangedEvent) e).getUids().length > 0);
121:            }
122:        }
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