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Viewing changes to src/org/herac/tuxguitar/gui/actions/help/ShowAboutDialogAction.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mfrom: (1.1.1 upstream) (2.1.3 hardy)
  • Revision ID: james.westby@ubuntu.com-20080619003030-agens2gvd5m4dacu
http://bugs.debian.org/481728
https://launchpad.net/bugs/176979
https://launchpad.net/bugs/212207
New upstream release (Closes: #481728) also (LP: #176979, #212207)

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src/org/herac/tuxguitar/gui/actions/help/ShowAboutDialogAction.java
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/*
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 * Created on 17-dic-2005
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 *
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 * TODO To change the template for this generated file go to
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 * Window - Preferences - Java - Code Style - Code Templates
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 */
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package org.herac.tuxguitar.gui.actions.help;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.PaintEvent;
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import org.eclipse.swt.events.PaintListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.TypedEvent;
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import org.eclipse.swt.graphics.Font;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.layout.FormData;
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import org.eclipse.swt.layout.FormLayout;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Canvas;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.swt.widgets.TabFolder;
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import org.eclipse.swt.widgets.TabItem;
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import org.eclipse.swt.widgets.Text;
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import org.herac.tuxguitar.gui.SystemImages;
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import org.herac.tuxguitar.gui.TuxGuitar;
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import org.herac.tuxguitar.gui.actions.Action;
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import org.herac.tuxguitar.gui.doc.DocReader;
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import org.herac.tuxguitar.gui.editors.TablatureEditor;
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import org.herac.tuxguitar.gui.system.config.ConfigKeys;
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/**
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 * @author julian
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 * 
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 * TODO To change the template for this generated type comment go to Window -
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 * Preferences - Java - Code Style - Code Templates
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 */
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public class ShowAboutDialogAction extends Action {
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        public static final String NAME = "action.help.about";
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        private static final String RELEASE_NAME = ("TuxGuitar " + TuxGuitar.TUXGUITAR_VERSION);
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        private static final int IMAGE_WIDTH = 100;
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        private static final int IMAGE_HEIGHT = 100;
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        private static final int TAB_ITEM_WIDTH = 500;
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        private static final int TAB_ITEM_HEIGHT = 200; 
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        private Canvas imageCanvas;
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        private Image tabImage; 
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        public ShowAboutDialogAction(TablatureEditor tablatureEditor) {
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                super(NAME, false, tablatureEditor);
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        }
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        public boolean doAction(TypedEvent e) {
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                showDialog(getEditor().getTablature().getShell());
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                return true;
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        }
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        public void showDialog(Shell shell) {
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                final Shell dialog = new Shell(shell,SWT.DIALOG_TRIM|SWT.APPLICATION_MODAL);
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                dialog.setLayout(new GridLayout());
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                dialog.setText(TuxGuitar.getProperty("help.about"));
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                //--------------------HEADER----------------------------------
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                Composite header = new Composite(dialog,SWT.NONE);
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                imageCanvas = new Canvas(header,SWT.NONE);
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                tabImage = SystemImages.ABOUT_DESCRIPTION;
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                Label title = new Label(header,SWT.NONE);               
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                Font font = new Font(dialog.getDisplay(),TuxGuitar.instance().getConfig().getFontDataConfigValue(ConfigKeys.FONT_ABOUT_DIALOG_TITLE));          
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                header.setLayout(new GridLayout(2,false));              
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                imageCanvas.setLayoutData(new GridData(IMAGE_WIDTH,IMAGE_HEIGHT));
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                imageCanvas.addPaintListener(new PaintListener() {
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                        public void paintControl(PaintEvent e) {
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                                Rectangle bounds = tabImage.getBounds();
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                                e.gc.drawImage(tabImage,((IMAGE_WIDTH - bounds.width) /2),((IMAGE_HEIGHT - bounds.height) /2));
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                        }
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                });
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                title.setFont(font);
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                title.setForeground(dialog.getDisplay().getSystemColor(SWT.COLOR_GRAY));
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                title.setText(RELEASE_NAME);            
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                font.dispose();
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                //-------------------TABS-----------------------
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        Composite tabs = new Composite(dialog, SWT.NONE);
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        tabs.setLayout(new GridLayout());
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        tabs.setLayoutData(new GridData(SWT.FILL,SWT.FILL,true,true));  
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                final TabFolder tabFolder = new TabFolder(tabs, SWT.NONE);
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                tabFolder.setLayoutData(new GridData(SWT.FILL,SWT.FILL,true,true));  
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                tabFolder.setLayout(new FormLayout());
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        DocReader docReader = new DocReader();
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        makeTabItem(tabFolder,DocReader.DESCRIPTION,docReader.read(DocReader.DESCRIPTION).toString());
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        makeTabItem(tabFolder,DocReader.AUTHORS,docReader.read(DocReader.AUTHORS).toString());
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                makeTabItem(tabFolder,DocReader.LICENSE,docReader.read(DocReader.LICENSE).toString());
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        tabFolder.addSelectionListener(new SelectionAdapter() {         
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                        public void widgetSelected(SelectionEvent e) {
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                                if(tabFolder.getSelectionIndex() == 0){
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                                        tabImage = SystemImages.ABOUT_DESCRIPTION;
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                                }else if(tabFolder.getSelectionIndex() == 1){
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                                        tabImage = SystemImages.ABOUT_AUTHORS;
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                                }else if(tabFolder.getSelectionIndex() == 2){
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                                        tabImage = SystemImages.ABOUT_LICENSE;
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                                }
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                                imageCanvas.redraw();
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                        }
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                });
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        tabFolder.setSelection(0);
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                //------------------BUTTONS--------------------------            
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        Composite buttons = new Composite(dialog, SWT.NONE);
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        buttons.setLayout(new GridLayout());
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        buttons.setLayoutData(new GridData(SWT.END,SWT.FILL,true,true));        
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        GridData data = new GridData(SWT.FILL,SWT.FILL,true,true);    
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        data.minimumWidth = 80;
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        data.minimumHeight = 25;    
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                Button buttonExit = new Button(buttons, SWT.PUSH);
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                buttonExit.setLayoutData(data);
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                buttonExit.setText(TuxGuitar.getProperty("exit"));
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                buttonExit.addSelectionListener(new SelectionAdapter() {
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                        public void widgetSelected(SelectionEvent arg0) {
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                                dialog.dispose();
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                        }
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                });
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                dialog.pack();
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                dialog.open();
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                int x = shell.getBounds().x
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                                + (shell.getBounds().width - dialog.getSize().x) / 2;
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                int y = shell.getBounds().y
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                                + (shell.getBounds().height - dialog.getSize().y) / 2;
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                dialog.setLocation(x, y);
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        }
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        private void makeTabItem(TabFolder tabFolder,String itemName,String itemText){          
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        Composite control = new Composite(tabFolder, SWT.NONE);                    
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        control.setLayout(new GridLayout());
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        control.setLayoutData(new FormData(TAB_ITEM_WIDTH,TAB_ITEM_HEIGHT));
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        Text text = new Text(control,SWT.BORDER | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
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        text.setLayoutData(new GridData(SWT.FILL,SWT.FILL,true,true));  
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        text.setEditable(false);
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        text.append(itemText);        
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        text.setSelection(0);
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        TabItem tabItem = new TabItem(tabFolder, SWT.NONE);
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        tabItem.setText(itemName);
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        tabItem.setControl(control);            
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        }
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}