Attachment 110081 Details for Bug 198389 – First implementation

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[patch] First implementation

patch.txt (text/plain), 30.77 KB, created by Ivan Furnadjiev

on 2008-08-15 05:12:02 EDT

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Creator: Ivan Furnadjiev

Created: 2008-08-15 05:12:02 EDT

Size: 30.77 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.rap.demo
>Index: src/org/eclipse/rap/demo/controls/DialogsTab.java
>===================================================================
>RCS file: /cvsroot/technology/org.eclipse.rap/org.eclipse.rap.demo/src/org/eclipse/rap/demo/controls/DialogsTab.java,v
>retrieving revision 1.15
>diff -u -r1.15 DialogsTab.java
>--- src/org/eclipse/rap/demo/controls/DialogsTab.java	12 Jun 2008 14:00:46 -0000	1.15
>+++ src/org/eclipse/rap/demo/controls/DialogsTab.java	14 Aug 2008 12:28:12 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2002, 2007 Innoopract Informationssysteme GmbH.
>+ * Copyright (c) 2002, 2008 Innoopract Informationssysteme GmbH.
> * All rights reserved. This program and the accompanying materials
> * are made available under the terms of the Eclipse Public License v1.0
> * which accompanies this distribution, and is available at
>@@ -16,8 +16,7 @@
> import org.eclipse.jface.dialogs.*;
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.custom.CTabFolder;
>-import org.eclipse.swt.events.SelectionAdapter;
>-import org.eclipse.swt.events.SelectionEvent;
>+import org.eclipse.swt.events.*;
> import org.eclipse.swt.layout.GridData;
> import org.eclipse.swt.layout.GridLayout;
> import org.eclipse.swt.widgets.*;
>@@ -28,12 +27,25 @@
> private Label loginDlgResLabel;
> private Label messageDlgResLabel;
> private Label errorDlgResLabel;
>+ private Label messageBoxDlgResLabel;
>+
>+ private Button okButton, cancelButton;
>+ private Button yesButton, noButton;
>+ private Button retryButton;
>+ private Button abortButton, ignoreButton;
>+ private Button iconErrorButton, iconInformationButton, iconQuestionButton;
>+ private Button iconWarningButton, iconWorkingButton, noIconButton;
>+
>+ private Button showMessageBoxDlgButton;
> 
> public DialogsTab( final CTabFolder topFolder ) {
> super( topFolder, "Dialogs" );
> }
> 
> protected void createStyleControls( final Composite parent ) {
>+ parent.setLayout( new GridLayout( 1, true ) );
>+
>+ createMessageBoxStyleControls( parent );
> }
> 
> protected void createExampleControls( final Composite parent ) {
>@@ -42,37 +54,40 @@
> group1.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
> group1.setText( "JFace Dialogs" );
> group1.setLayout( new GridLayout( 3, true ) );
>- 
>+
> // JFace input dialog
> Button showInputDlgButton = new Button( group1, SWT.PUSH );
> showInputDlgButton.setText( "Input Dialog" );
> showInputDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showInputDialog();
> }
> } );
> showInputDlgButton.setLayoutData( createGridDataFillBoth() );
> insertSpaceLabels( group1, 2 );
>- 
>+
> inputDlgResLabel = new Label( group1, SWT.WRAP );
> inputDlgResLabel.setText( "Result:" );
> GridData gdInputDlgResLabel = new GridData();
> gdInputDlgResLabel.horizontalSpan = 3;
> inputDlgResLabel.setLayoutData( gdInputDlgResLabel );
>- 
>+
> Button showMessageInfoDlgButton = new Button( group1, SWT.PUSH );
> showMessageInfoDlgButton.setLayoutData( createGridDataFillBoth() );
> showMessageInfoDlgButton.setText( "Info Message" );
> showMessageInfoDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showMessageDialogInfo();
> }
> } );
>- 
>+
> Button showMessageWarningDlgButton = new Button( group1, SWT.PUSH );
> showMessageWarningDlgButton.setLayoutData( createGridDataFillBoth() );
> showMessageWarningDlgButton.setText( "Warning Dialog" );
> showMessageWarningDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showMessageDialogWarning();
> }
>@@ -81,38 +96,42 @@
> showMessageErrorDlgButton.setLayoutData( createGridDataFillBoth() );
> showMessageErrorDlgButton.setText( "Error Message" );
> showMessageErrorDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showMessageDialogError();
> }
> } );
>- 
>+
> Button showMessageQuestionDlgButton = new Button( group1, SWT.PUSH );
> showMessageQuestionDlgButton.setLayoutData( createGridDataFillBoth() );
> showMessageQuestionDlgButton.setText( "Question Dialog" );
> showMessageQuestionDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showMessageDialogQuestion();
> }
> } );
>- 
>+
> Button showMessageConfirmDlgButton = new Button( group1, SWT.PUSH );
> showMessageConfirmDlgButton.setLayoutData( createGridDataFillBoth() );
> showMessageConfirmDlgButton.setText( "Confirm Message" );
> showMessageConfirmDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showMessageDialogConfirm();
> }
> } );
> insertSpaceLabels( group1, 1 );
>- 
>+
> messageDlgResLabel = new Label( group1, SWT.WRAP );
> messageDlgResLabel.setText( "Result:" );
> insertSpaceLabels( group1, 2 );
>- 
>+
> Button showErrorDlgButton = new Button( group1, SWT.PUSH );
> showErrorDlgButton.setLayoutData( createGridDataFillBoth() );
> showErrorDlgButton.setText( "Error Dialog" );
> showErrorDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showErrorDialog();
> }
>@@ -122,8 +141,7 @@
> errorDlgResLabel = new Label( group1, SWT.WRAP );
> errorDlgResLabel.setText( "Result:" );
> insertSpaceLabels( group1, 2 );
>- 
>- 
>+
> Group group2 = new Group( parent, SWT.NONE );
> group2.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
> group2.setText( "Custom Dialogs" );
>@@ -132,15 +150,35 @@
> Button showLoginDlgButton = new Button( group2, SWT.PUSH );
> showLoginDlgButton.setText( "Login Dialog" );
> showLoginDlgButton.addSelectionListener( new SelectionAdapter() {
>+
> public void widgetSelected( final SelectionEvent event ) {
> showLoginDialog();
> }
> } );
> showLoginDlgButton.setLayoutData( createGridDataFillBoth() );
> insertSpaceLabels( group2, 2 );
>- 
>+
> loginDlgResLabel = new Label( group2, SWT.WRAP );
> loginDlgResLabel.setText( "Result:" );
>+
>+ Group group3 = new Group( parent, SWT.NONE );
>+ group3.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
>+ group3.setText( "SWT Dialogs" );
>+ group3.setLayout( new GridLayout( 3, true ) );
>+
>+ showMessageBoxDlgButton = new Button( group3, SWT.PUSH );
>+ showMessageBoxDlgButton.setText( "MessageBox Dialog" );
>+ showMessageBoxDlgButton.addSelectionListener( new SelectionAdapter() {
>+
>+ public void widgetSelected( final SelectionEvent event ) {
>+ showMessageBoxDialog();
>+ }
>+ } );
>+ showMessageBoxDlgButton.setLayoutData( createGridDataFillBoth() );
>+ insertSpaceLabels( group3, 2 );
>+
>+ messageBoxDlgResLabel = new Label( group3, SWT.WRAP );
>+ messageBoxDlgResLabel.setText( "Result:" );
> }
> 
> private GridData createGridDataFillBoth() {
>@@ -155,6 +193,7 @@
> 
> private void showInputDialog() {
> final IInputValidator val = new IInputValidator() {
>+
> public String isValid( String newText ) {
> String result = null;
> if( newText.length() < 5 ) {
>@@ -199,8 +238,7 @@
> + "Your answer will not be recorded or evaluated "
> + "nor does this question have any purpose apart from "
> + "filling the empty space in this dialog window.";
>- boolean result
>- = MessageDialog.openQuestion( getShell(), title, mesg );
>+ boolean result = MessageDialog.openQuestion( getShell(), title, mesg );
> messageDlgResLabel.setText( "Question closed (" + result + ")" );
> messageDlgResLabel.pack();
> }
>@@ -208,8 +246,7 @@
> private void showMessageDialogConfirm() {
> String title = "Confirmation";
> String mesg = "Nothing will be done. Ok?";
>- boolean result
>- = MessageDialog.openConfirm( getShell(), title, mesg );
>+ boolean result = MessageDialog.openConfirm( getShell(), title, mesg );
> messageDlgResLabel.setText( "Confirm closed (" + result + ")" );
> messageDlgResLabel.pack();
> }
>@@ -248,14 +285,184 @@
> int returnCode = loginDialog.open();
> String username = loginDialog.getUsername();
> String password = loginDialog.getPassword();
>- String pwd = password == null ? "n/a" : password.length() + " chars.";
>- loginDlgResLabel.setText( "Login Dialog User: "
>- + username
>- + ", Password: "
>- + pwd
>- + " ("
>- + returnCode
>- + ")" );
>+ String pwd = password == null
>+ ? "n/a"
>+ : password.length() + " chars.";
>+ loginDlgResLabel.setText( "Login Dialog User: "
>+ + username
>+ + ", Password: "
>+ + pwd
>+ + " ("
>+ + returnCode
>+ + ")" );
> loginDlgResLabel.pack();
> }
>+
>+ private void showMessageBoxDialog() {
>+ int style = getStyle();
>+ if( okButton.getEnabled() && okButton.getSelection() ) {
>+ style |= SWT.OK;
>+ } 
>+ if( cancelButton.getEnabled() && cancelButton.getSelection() ) {
>+ style |= SWT.CANCEL;
>+ } 
>+ if( yesButton.getEnabled() && yesButton.getSelection() ) {
>+ style |= SWT.YES;
>+ } 
>+ if( noButton.getEnabled() && noButton.getSelection() ) {
>+ style |= SWT.NO;
>+ } 
>+ if( retryButton.getEnabled() && retryButton.getSelection() ) {
>+ style |= SWT.RETRY;
>+ } 
>+ if( abortButton.getEnabled() && abortButton.getSelection() ) {
>+ style |= SWT.ABORT;
>+ } 
>+ if( ignoreButton.getEnabled() && ignoreButton.getSelection() ) {
>+ style |= SWT.IGNORE;
>+ } 
>+ if( iconErrorButton.getEnabled() && iconErrorButton.getSelection() ) {
>+ style |= SWT.ICON_ERROR;
>+ } 
>+ if( iconInformationButton.getEnabled()
>+ && iconInformationButton.getSelection() ) {
>+ style |= SWT.ICON_INFORMATION;
>+ } 
>+ if( iconQuestionButton.getEnabled() && iconQuestionButton.getSelection() ) {
>+ style |= SWT.ICON_QUESTION;
>+ } 
>+ if( iconWarningButton.getEnabled() && iconWarningButton.getSelection() ) {
>+ style |= SWT.ICON_WARNING;
>+ } 
>+ if( iconWorkingButton.getEnabled() && iconWorkingButton.getSelection() ) {
>+ style |= SWT.ICON_WORKING;
>+ } 
>+ 
>+ String title = "MessageBox Title";
>+ String mesg = "Lorem ipsum dolor sit amet consectetuer adipiscing elit.";
>+ MessageBox mb = new MessageBox( getShell(), style );
>+ mb.setText( title );
>+ mb.setMessage( mesg );
>+ int result = mb.open();
>+ String strResult = "";
>+ switch( result ) {
>+ case SWT.OK:
>+ strResult = "SWT.OK";
>+ break;
>+ case SWT.YES:
>+ strResult = "SWT.YES";
>+ break;
>+ case SWT.NO:
>+ strResult = "SWT.NO";
>+ break;
>+ case SWT.CANCEL:
>+ strResult = "SWT.CANCEL";
>+ break;
>+ case SWT.ABORT:
>+ strResult = "SWT.ABORT";
>+ break;
>+ case SWT.RETRY:
>+ strResult = "SWT.RETRY";
>+ break;
>+ case SWT.IGNORE:
>+ strResult = "SWT.IGNORE";
>+ break;
>+ default:
>+ strResult = "" + result;
>+ break;
>+ }
>+ messageBoxDlgResLabel.setText( "Result: " + strResult );
>+ messageBoxDlgResLabel.pack();
>+ }
>+
>+ private void createMessageBoxStyleControls( final Composite parent ) {
>+ Group buttonStyleGroup = new Group( parent, SWT.NONE );
>+ buttonStyleGroup.setLayout( new GridLayout() );
>+ buttonStyleGroup.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_FILL
>+ | GridData.VERTICAL_ALIGN_FILL ) );
>+ buttonStyleGroup.setText( "SWT MessageBox Styles" );
>+
>+ okButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ okButton.setText( "SWT.OK" );
>+ cancelButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ cancelButton.setText( "SWT.CANCEL" );
>+ yesButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ yesButton.setText( "SWT.YES" );
>+ noButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ noButton.setText( "SWT.NO" );
>+ retryButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ retryButton.setText( "SWT.RETRY" );
>+ abortButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ abortButton.setText( "SWT.ABORT" );
>+ ignoreButton = new Button( buttonStyleGroup, SWT.CHECK );
>+ ignoreButton.setText( "SWT.IGNORE" );
>+
>+ Group iconStyleGroup = new Group( parent, SWT.NONE );
>+ iconStyleGroup.setLayout( new GridLayout() );
>+ iconStyleGroup.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_FILL
>+ | GridData.VERTICAL_ALIGN_FILL ) );
>+ iconStyleGroup.setText( "SWT MessageBox Icon Styles" );
>+
>+ iconErrorButton = new Button( iconStyleGroup, SWT.RADIO );
>+ iconErrorButton.setText( "SWT.ICON_ERROR" );
>+ iconInformationButton = new Button( iconStyleGroup, SWT.RADIO );
>+ iconInformationButton.setText( "SWT.ICON_INFORMATION" );
>+ iconQuestionButton = new Button( iconStyleGroup, SWT.RADIO );
>+ iconQuestionButton.setText( "SWT.ICON_QUESTION" );
>+ iconWarningButton = new Button( iconStyleGroup, SWT.RADIO );
>+ iconWarningButton.setText( "SWT.ICON_WARNING" );
>+ iconWorkingButton = new Button( iconStyleGroup, SWT.RADIO );
>+ iconWorkingButton.setText( "SWT.ICON_WORKING" );
>+ noIconButton = new Button( iconStyleGroup, SWT.RADIO );
>+ noIconButton.setText( "No Icon" );
>+
>+ SelectionListener buttonStyleListener = new SelectionAdapter() {
>+
>+ public void widgetSelected( SelectionEvent event ) {
>+ buttonStyleSelected( event );
>+ }
>+ };
>+
>+ okButton.addSelectionListener( buttonStyleListener );
>+ cancelButton.addSelectionListener( buttonStyleListener );
>+ yesButton.addSelectionListener( buttonStyleListener );
>+ noButton.addSelectionListener( buttonStyleListener );
>+ retryButton.addSelectionListener( buttonStyleListener );
>+ abortButton.addSelectionListener( buttonStyleListener );
>+ ignoreButton.addSelectionListener( buttonStyleListener );
>+
>+ noIconButton.setSelection( true );
>+ }
>+
>+ private void buttonStyleSelected( SelectionEvent event ) {
>+ boolean ok = okButton.getSelection();
>+ boolean cancel = cancelButton.getSelection();
>+ boolean yes = yesButton.getSelection();
>+ boolean no = noButton.getSelection();
>+ boolean abort = abortButton.getSelection();
>+ boolean retry = retryButton.getSelection();
>+ boolean ignore = ignoreButton.getSelection();
>+
>+ okButton.setEnabled( !( yes || no || retry || abort || ignore ) );
>+ cancelButton.setEnabled( !( abort || ignore || ( yes != no ) ) );
>+ yesButton.setEnabled( !( ok || retry || abort || ignore || ( cancel && !yes && !no ) ) );
>+ noButton.setEnabled( !( ok || retry || abort || ignore || ( cancel && !yes && !no ) ) );
>+ retryButton.setEnabled( !( ok || yes || no ) );
>+ abortButton.setEnabled( !( ok || cancel || yes || no ) );
>+ ignoreButton.setEnabled( !( ok || cancel || yes || no ) );
>+
>+ showMessageBoxDlgButton.setEnabled( !( ok
>+ || cancel
>+ || yes
>+ || no
>+ || retry
>+ || abort || ignore )
>+ || ok
>+ || ( ok && cancel )
>+ || ( yes && no )
>+ || ( yes && no && cancel )
>+ || ( retry && cancel )
>+ || ( abort && retry && ignore ) );
>+
>+ }
> }
>#P org.eclipse.rap.rwt
>Index: src/org/eclipse/swt/SWT.java
>===================================================================
>RCS file: /cvsroot/technology/org.eclipse.rap/org.eclipse.rap.rwt/src/org/eclipse/swt/SWT.java,v
>retrieving revision 1.30
>diff -u -r1.30 SWT.java
>--- src/org/eclipse/swt/SWT.java	4 Jul 2008 07:39:50 -0000	1.30
>+++ src/org/eclipse/swt/SWT.java	14 Aug 2008 12:28:19 -0000
>@@ -1002,6 +1002,61 @@
> * behavior (value is 1&lt;&lt;4).
> */
> public static final int ICON_WORKING = 1 << 4;
>+ 
>+ /**
>+ * The <code>MessageBox</code> style constant for an OK button;
>+ * valid combinations are OK, OK|CANCEL
>+ * (value is 1&lt;&lt;5).
>+ */
>+ public static final int OK = 1 << 5;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for YES button;
>+ * valid combinations are YES|NO, YES|NO|CANCEL
>+ * (value is 1&lt;&lt;6).
>+ */
>+ public static final int YES = 1 << 6;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for NO button;
>+ * valid combinations are YES|NO, YES|NO|CANCEL
>+ * (value is 1&lt;&lt;7).
>+ */
>+ public static final int NO = 1 << 7;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for a CANCEL button;
>+ * valid combinations are OK|CANCEL, YES|NO|CANCEL, RETRY|CANCEL
>+ * (value is 1&lt;&lt;8). This style constant is also used with 
>+ * <code>Text</code> in combination with SEARCH.
>+ * 
>+ * Used By:<ul>
>+ * <li><code>MessageBox</code></li>
>+ * <li><code>Text</code></li>
>+ * </ul>
>+ */
>+ public static final int CANCEL = 1 << 8;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for an ABORT button;
>+ * the only valid combination is ABORT|RETRY|IGNORE
>+ * (value is 1&lt;&lt;9).
>+ */
>+ public static final int ABORT = 1 << 9;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for a RETRY button;
>+ * valid combinations are ABORT|RETRY|IGNORE, RETRY|CANCEL
>+ * (value is 1&lt;&lt;10).
>+ */
>+ public static final int RETRY = 1 << 10;
>+
>+ /**
>+ * The <code>MessageBox</code> style constant for an IGNORE button;
>+ * the only valid combination is ABORT|RETRY|IGNORE
>+ * (value is 1&lt;&lt;11).
>+ */
>+ public static final int IGNORE = 1 << 11;
> 
> /**
> * The <code>Composite</code> constant to indicate that
>Index: src/org/eclipse/swt/widgets/MessageBox.java
>===================================================================
>RCS file: src/org/eclipse/swt/widgets/MessageBox.java
>diff -N src/org/eclipse/swt/widgets/MessageBox.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/swt/widgets/MessageBox.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,318 @@
>+/*******************************************************************************
>+ * Copyright (c) 2002, 2008 Innoopract Informationssysteme GmbH.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Innoopract Informationssysteme GmbH - initial API and implementation
>+ ******************************************************************************/
>+package org.eclipse.swt.widgets;
>+
>+import java.util.StringTokenizer;
>+
>+import org.eclipse.rwt.graphics.Graphics;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.SWTException;
>+import org.eclipse.swt.events.SelectionAdapter;
>+import org.eclipse.swt.events.SelectionEvent;
>+import org.eclipse.swt.graphics.*;
>+import org.eclipse.swt.internal.graphics.TextSizeDetermination;
>+import org.eclipse.swt.layout.GridData;
>+import org.eclipse.swt.layout.GridLayout;
>+
>+/**
>+ * Instances of this class are used to inform or warn the user.
>+ * <dl>
>+ * <dt>Styles:</dt>
>+ * <dd>ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, ICON_WARNING, ICON_WORKING</dd>
>+ * <dd>OK, OK | CANCEL</dd>
>+ * <dd>YES | NO, YES | NO | CANCEL</dd>
>+ * <dd>RETRY | CANCEL</dd>
>+ * <dd>ABORT | RETRY | IGNORE</dd>
>+ * <dt>Events:</dt>
>+ * <dd>(none)</dd>
>+ * </dl>
>+ * 
>+ * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, ICON_QUESTION,
>+ * ICON_WARNING and ICON_WORKING may be specified.
>+ * 
>+ * IMPORTANT: This class is intended to be subclassed only
>+ * within the SWT implementation.
>+ * 
>+ * 
>+ */
>+public class MessageBox extends Dialog {
>+ 
>+ private static final int BUTTON_WIDTH = 61;
>+ private static final int HORIZONTAL_DIALOG_UNIT_PER_CHAR = 4;
>+ private static final int MAX_WIDTH = 640;
>+ 
>+ private Shell shell; 
>+	private String message = "";
>+	private int result;
>+	
>+ /**
>+ * Constructs a new instance of this class given only its parent.
>+ *
>+ * @param parent a shell which will be the parent of the new instance
>+ *
>+ * @exception IllegalArgumentException <ul>
>+ * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
>+ * </ul>
>+ * @exception SWTException <ul>
>+ * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
>+ * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
>+ * </ul>
>+ */
>+ public MessageBox( final Shell parent ) {
>+ 	this( parent, SWT.OK | SWT.ICON_INFORMATION | SWT.APPLICATION_MODAL );
>+ }
>+
>+ /**
>+ * Constructs a new instance of this class given its parent
>+ * and a style value describing its behavior and appearance.
>+ * 
>+ * The style value is either one of the style constants defined in
>+ * class <code>SWT</code> which is applicable to instances of this
>+ * class, or must be built by bitwise OR'ing together 
>+ * (that is, using the <code>int</code> "|" operator) two or more
>+ * of those <code>SWT</code> style constants. The class description
>+ * lists the style constants that are applicable to the class.
>+ * Style bits are also inherited from superclasses.
>+ *
>+ * @param parent a shell which will be the parent of the new instance
>+ * @param style the style of dialog to construct
>+ *
>+ * @exception IllegalArgumentException <ul>
>+ * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
>+ * </ul>
>+ * @exception SWTException <ul>
>+ * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
>+ * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
>+ * </ul>
>+ */
>+ public MessageBox( final Shell parent, final int style ) {
>+ 	super( parent, checkStyle ( style ) );
>+ 	checkSubclass();
>+ }
>+ 
>+ static int checkStyle( final int style ) {
>+ int chkStyle = 0;
>+ 	int mask = ( SWT.YES | SWT.NO 
>+ 	 | SWT.OK | SWT.CANCEL 
>+ 	 | SWT.ABORT | SWT.RETRY | SWT.IGNORE );
>+ 	int bits = style & mask;
>+ 	if( bits == SWT.OK || bits == SWT.CANCEL
>+ 	 || bits == ( SWT.OK | SWT.CANCEL ) ) {
>+ 	 chkStyle = style;
>+ 	} else if( bits == SWT.YES || bits == SWT.NO
>+ 	 || bits == ( SWT.YES | SWT.NO )
>+ 	 || bits == ( SWT.YES | SWT.NO | SWT.CANCEL ) ) {
>+ 	 chkStyle = style;
>+ 	} else if( bits == ( SWT.RETRY | SWT.CANCEL )
>+ 	 || bits == ( SWT.ABORT | SWT.RETRY | SWT.IGNORE ) ) {
>+ 	 chkStyle = style;
>+ 	} else {
>+ 	 chkStyle = ( style & ~mask ) | SWT.OK;
>+ 	}
>+ 	return chkStyle;
>+ }
>+
>+ /**
>+ * Returns the dialog's message, or an empty string if it does not have one.
>+ * The message is a description of the purpose for which the dialog was opened.
>+ * This message will be visible in the dialog while it is open.
>+ *
>+ * @return the message
>+ */
>+ public String getMessage() {
>+ 	return message;
>+ }
>+ 
>+ /**
>+ * Sets the dialog's message, which is a description of
>+ * the purpose for which it was opened. This message will be
>+ * visible on the dialog while it is open.
>+ *
>+ * @param string the message
>+ * 
>+ * @exception IllegalArgumentException <ul>
>+ * <li>ERROR_NULL_ARGUMENT - if the string is null</li>
>+ * </ul>
>+ */
>+ public void setMessage( final String string ) {
>+ if( string == null ) {
>+ error( SWT.ERROR_NULL_ARGUMENT );
>+ }
>+ message = string;
>+ }
>+
>+ /**
>+ * Makes the dialog visible and brings it to the front
>+ * of the display.
>+ *
>+ * @return the ID of the button that was selected to dismiss the
>+ * message box (e.g. SWT.OK, SWT.CANCEL, etc.)
>+ *
>+ * @exception SWTException <ul>
>+ * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li>
>+ * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li>
>+ * </ul>
>+ */
>+ public int open() {
>+ shell = new Shell( parent, SWT.TITLE | SWT.BORDER | SWT.APPLICATION_MODAL );
>+ shell.setText( getText() );
>+ 
>+ createControls( shell );
>+ 
>+ Rectangle parentSize = parent.getBounds();
>+ Point prefSize = shell.computeSize( SWT.DEFAULT, SWT.DEFAULT );
>+ if( prefSize.x > MAX_WIDTH ) {
>+ prefSize.x = MAX_WIDTH; 
>+ }
>+ shell.setSize( prefSize );
>+
>+ int locationX = ( parentSize.width - prefSize.x ) / 2 + parentSize.x;
>+ int locationY = ( parentSize.height - prefSize.y ) / 2 + parentSize.y;
>+ shell.setLocation( new Point( locationX, locationY ) );
>+
>+ shell.pack();
>+ shell.open();
>+ 
>+ Display display = parent.getDisplay();
>+ while( !shell.isDisposed() ) {
>+ if( !display.readAndDispatch() ) display.sleep();
>+ }
>+ 
>+ return result;
>+ } 
>+ 
>+ private void createControls( final Composite parent ) {
>+ Display display = parent.getDisplay();
>+ Image icon = null;
>+ parent.setLayout( new GridLayout( 2, false ) ); 
>+ 
>+ // Icon
>+ int systemImageID = -1;
>+ if( ( style & SWT.ICON_ERROR ) != 0 ) {
>+ systemImageID = SWT.ICON_ERROR;
>+ } else if( ( style & SWT.ICON_INFORMATION ) != 0 ) {
>+ systemImageID = SWT.ICON_INFORMATION;
>+ } else if( ( style & SWT.ICON_QUESTION ) != 0 ) {
>+ systemImageID = SWT.ICON_QUESTION;
>+ } else if( ( style & SWT.ICON_WARNING ) != 0 ) {
>+ systemImageID = SWT.ICON_WARNING;
>+ } else if( ( style & SWT.ICON_WORKING ) != 0 ) {
>+ systemImageID = SWT.ICON_WORKING;
>+ } 
>+ if( systemImageID != -1 ) { 
>+ icon = display.getSystemImage( systemImageID );
>+ createIcon( parent, icon );
>+ }
>+ 
>+ // Text
>+ createText( parent, icon );
>+ 
>+ // Buttons
>+ Composite buttonComp = new Composite( parent, SWT.NONE );
>+ buttonComp.setLayout( new GridLayout( 0, true ) );
>+ GridData buttonData = new GridData( SWT.CENTER, SWT.CENTER, true, false );
>+ buttonData.horizontalSpan = 2; 
>+ buttonComp.setLayoutData( buttonData );
>+ 
>+ if( ( style & SWT.YES ) == SWT.YES ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_Yes" ), SWT.YES );
>+ }
>+ if( ( style & SWT.NO ) == SWT.NO ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_No" ), SWT.NO );
>+ }
>+ if( ( style & SWT.OK ) == SWT.OK ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_OK" ), SWT.OK );
>+ }
>+ if( ( style & SWT.ABORT ) == SWT.ABORT ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_Abort" ), SWT.ABORT );
>+ }
>+ if( ( style & SWT.RETRY ) == SWT.RETRY ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_Retry" ), SWT.RETRY );
>+ }
>+ if( ( style & SWT.CANCEL ) == SWT.CANCEL ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_Cancel" ), SWT.CANCEL ); 
>+ } 
>+ if( ( style & SWT.IGNORE ) == SWT.IGNORE ) {
>+ createButton( buttonComp, SWT.getMessage( "SWT_Ignore" ), SWT.IGNORE );
>+ }
>+ }
>+ 
>+ private void createButton( final Composite parent, 
>+ final String btnText, 
>+ final int resCode ) {
>+ // Increment the number of columns in the button bar
>+ ( ( GridLayout ) parent.getLayout() ).numColumns++;
>+ Button btn = new Button( parent, SWT.PUSH );
>+ // Set button layout data
>+ GridData data = new GridData( GridData.HORIZONTAL_ALIGN_FILL );
>+ int widthHint = convertHorizontalDLUsToPixels( BUTTON_WIDTH );
>+ Point minSize = btn.computeSize( SWT.DEFAULT, SWT.DEFAULT, true );
>+ data.widthHint = Math.max( widthHint, minSize.x );
>+ btn.setLayoutData( data );
>+ // Set text
>+ btn.setText( btnText ); 
>+ btn.addSelectionListener( new SelectionAdapter() {
>+ public void widgetSelected( final SelectionEvent event ) {
>+ result = resCode;
>+ shell.close();
>+ }
>+ } );
>+ }
>+ 
>+ private void createIcon( final Composite parent, final Image icon ) { 
>+ Label iconLabel = new Label( parent, SWT.CENTER );
>+ // Set label layout data
>+ GridData data = new GridData( SWT.CENTER, SWT.TOP, false, false );
>+ data.widthHint = icon.getBounds().width + 20;
>+ iconLabel.setLayoutData( data );
>+ // Set image
>+ iconLabel.setImage( icon );
>+ }
>+ 
>+ private void createText( final Composite parent, final Image icon ) {
>+ Label textLabel = new Label( parent, SWT.WRAP );
>+ String text = getMessage();
>+ Font font = textLabel.getFont();
>+ // Set label layout data
>+ GridData data = new GridData( GridData.HORIZONTAL_ALIGN_FILL );
>+ int iconWidth = icon == null ? 0 : icon.getBounds().width;
>+ int maxTextWidth = MAX_WIDTH - iconWidth - 20;
>+ // Determine the max line length
>+ int maxLineWidth = 0;
>+ StringTokenizer st = new StringTokenizer( text, "\n" );
>+ while( st.hasMoreTokens() ) {
>+ String line = st.nextToken();
>+ int lineWidth = TextSizeDetermination.stringExtent( font, line ).x;
>+ maxLineWidth = Math.max( maxLineWidth, lineWidth ); 
>+ }
>+ // Set wrap width
>+ if( maxLineWidth > maxTextWidth ){
>+ data.widthHint = maxTextWidth;
>+ } 
>+ textLabel.setLayoutData( data );
>+ textLabel.setText( text ); 
>+ }
>+ 
>+ /**
>+ * Returns the number of pixels corresponding to the given number of
>+ * horizontal dialog units. 
>+ * 
>+ * @param dlus
>+ * the number of horizontal dialog units
>+ * @return the number of pixels
>+ */
>+ private int convertHorizontalDLUsToPixels( final int dlus ) { 
>+ Font dialogFont = shell.getFont();
>+ return ( int)( ( Graphics.getAvgCharWidth( dialogFont ) * dlus 
>+ + HORIZONTAL_DIALOG_UNIT_PER_CHAR / 2 ) 
>+ / HORIZONTAL_DIALOG_UNIT_PER_CHAR ); 
>+ }
>+}

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Attachments on bug 198389: 110081 | 111669