Java Code Examples for org.eclipse.swt.widgets.Button

/**
 * Enables or disables the mapping button. We can only enable it if the target steps allows a mapping to be made
 * against it.
 *
 * @param button         The button to disable or enable
 * @param input          input or output. If it's true, we keep the button enabled all the time.
 * @param sourceStepname The mapping output step
 * @param targetStepname The target step to verify
 * @throws KettleException
 */
private void enableMappingButton( final Button button, boolean input, String sourceStepname, String targetStepname ) throws KettleException {
  if ( input ) {
    return; // nothing to do
  }

  boolean enabled = false;

  if ( mappingTransMeta != null ) {
    StepMeta mappingInputStep = mappingTransMeta.findMappingInputStep( sourceStepname );
    if ( mappingInputStep != null ) {
      StepMeta mappingOutputStep = transMeta.findMappingOutputStep( targetStepname );
      RowMetaInterface requiredFields = mappingOutputStep.getStepMetaInterface().getRequiredFields( transMeta );
      if ( requiredFields != null && requiredFields.size() > 0 ) {
        enabled = true;
      }
    }
  }

  button.setEnabled( enabled );
}
 

/**
 * Creates and returns a new push button with the given label and/or image.
 * 
 * @param parent
 *            parent control
 * @param label
 *            button label or <code>null</code>
 * @param image
 *            image or <code>null</code>
 * @return a new push button
 */
public static Button createPushButton(Composite parent, String label, Image image)
{
	Button button = new Button(parent, SWT.PUSH);
	button.setFont(parent.getFont());
	if (image != null)
	{
		button.setImage(image);
	}
	if (label != null)
	{
		button.setText(label);
	}
	GridData gd = new GridData();
	button.setLayoutData(gd);
	SWTFactory.setButtonDimensionHint(button);
	return button;
}
 

/**
 * Creates the "plus" button
 *
 * @param buttonHolder aprent composite
 */
private void createPlusButton(final Composite buttonHolder) {
	final Button plusButton = new Button(buttonHolder, SWT.PUSH);
	plusButton.setText("...");
	plusButton.setToolTipText(ResourceManager.getLabel(ResourceManager.EDIT_PROPERTY));
	plusButton.setEnabled(property.isEnabled());

	plusButton.addListener(SWT.Selection, event -> {
		openWindow(widget, item, property);
	});

	plusButton.addListener(SWT.FocusIn, event -> {
		widget.updateDescriptionPanel(property);
	});

	plusButton.pack();
}
 

public void createControl(Composite parent) {
	setTitle(Messages.getString("AssignChoicePage_title"));//$NON-NLS-1$
	setDescription(Messages.getString("AssignChoicePage_message"));//$NON-NLS-1$

	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(new GridLayout(1, false));
	
	newJob = new Button(composite, SWT.RADIO);
	newJob.setText(Messages.getString("AssignChoicePage_newJobLabel"));//$NON-NLS-1$
	
	assignJob = new Button(composite, SWT.RADIO);
	assignJob.setText(Messages.getString("AssignChoicePage_assignJobLabel"));//$NON-NLS-1$
	
	newJob.setSelection(true);
	
	setControl(composite);
}
 

private void initRadioButton( Button button,
		IParameterSelectionChoice choice, String choiceLabel )
{
	if ( ( choice.getValue( ) == defaultValue )
			|| ( choice.getValue( ) != null && choice.getValue( )
					.equals( defaultValue ) ) )
	{
		button.setSelection( true );
		putConfigValue( paramterHandleName, button.getData( ) );
		clearSelectRadio( radioItems );
	}
	else if ( defaultValue == null
			&& choiceLabel.equals( InputParameterSelectionChoice.NULLVALUECHOICE ) )
	{
		button.setSelection( true );
		removeConfigValue( paramterHandleName );
		clearSelectRadio( radioItems );
	}
	radioItems.add( button );
}
 

public TimeNowActionController ( final ControllerManager controllerManager, final ChartContext chartContext, final TimeNowAction controller )
{
    super ( controllerManager.getContext (), chartContext, controller );

    final Composite space = chartContext.getExtensionSpaceProvider ().getExtensionSpace ();
    if ( space != null )
    {
        this.button = new Button ( space, SWT.PUSH );
        this.button.setText ( Messages.TimeNowActionController_Label );
        this.button.setToolTipText ( Messages.TimeNowActionController_Description );
        this.button.addSelectionListener ( new SelectionAdapter () {
            @Override
            public void widgetSelected ( final SelectionEvent e )
            {
                action ();
            };

        } );
        space.layout ();
    }
    else
    {
        this.button = null;
    }
}
 

@Override
protected void buttonPressed(int buttonId){
	super.buttonPressed(buttonId);
	
	if (IDialogConstants.NEXT_ID == buttonId) {
		Button nextBtn = getButton(IDialogConstants.NEXT_ID);
		
		// the text of the button will be changed
		if ("Korrigierte Rechnung öffnen".equals(nextBtn.getText())) {
			if (invoiceCorrectionDTO != null) {
				invoiceCorrectionDTO.setOpenNewInvoice(true);
				finishPressed();
				return;
			}
		} else if (invoiceCorrectionDTO != null && invoiceCorrectionDTO.isCorrectionSuccess()) {
			nextBtn.setEnabled(true);
			nextBtn.setText("Korrigierte Rechnung öffnen");
		}
		getButton(IDialogConstants.CANCEL_ID).setEnabled(false);
		getButton(IDialogConstants.FINISH_ID).setVisible(true);
		
	}
}
 

private void addAutoclosingSection(Composite composite) {

		GridLayout layout= new GridLayout();
		layout.numColumns= 1;
		composite.setLayout(layout);

		String label;
		Button master, slave;

		label= PreferencesMessages.JavaEditorPreferencePage_closeStrings;
		addCheckBox(composite, label, PreferenceConstants.EDITOR_CLOSE_STRINGS, 0);

		label= PreferencesMessages.JavaEditorPreferencePage_closeBrackets;
		addCheckBox(composite, label, PreferenceConstants.EDITOR_CLOSE_BRACKETS, 0);

		label= PreferencesMessages.JavaEditorPreferencePage_closeBraces;
		addCheckBox(composite, label, PreferenceConstants.EDITOR_CLOSE_BRACES, 0);

		label= PreferencesMessages.JavaEditorPreferencePage_closeJavaDocs;
		master= addCheckBox(composite, label, PreferenceConstants.EDITOR_CLOSE_JAVADOCS, 0);

		label= PreferencesMessages.JavaEditorPreferencePage_addJavaDocTags;
		slave= addCheckBox(composite, label, PreferenceConstants.EDITOR_ADD_JAVADOC_TAGS, 0);
		createDependency(master, slave);
	}
 

private void createExistingSection(Composite body) {
	Button existingCheck = new Button(body, SWT.RADIO);
	existingCheck.setText("Existing database");
	existingCheck.setSelection(true);
	Controls.onSelect(existingCheck, (e) -> {
		setSelection(config.EXISTING_MODE);
	});
	Composite composite = new Composite(body, SWT.NONE);
	UI.gridLayout(composite, 1);
	UI.gridData(composite, true, false);
	existingViewer = new ComboViewer(composite);
	UI.gridData(existingViewer.getControl(), true, false);
	existingViewer.setLabelProvider(new DbLabel());
	existingViewer.setContentProvider(ArrayContentProvider.getInstance());
	existingViewer.addSelectionChangedListener(e -> selectDatabase());
	fillExistingViewer();
}
 

/**
 * Creates a check box button using the parents' font
 * 
 * @param parent
 *            the parent to add the button to
 * @param label
 *            the label for the button
 * @param image
 *            the image for the button
 * @param checked
 *            the initial checked state of the button
 * @param hspan
 *            the horizontal span to take up in the parent composite
 * @return a new checked button set to the initial checked state
 */
public static Button createCheckButton(Composite parent, String label, Image image, boolean checked, int hspan)
{
	Button button = new Button(parent, SWT.CHECK);
	button.setFont(parent.getFont());
	button.setSelection(checked);
	if (image != null)
	{
		button.setImage(image);
	}
	if (label != null)
	{
		button.setText(label);
	}
	GridData gd = new GridData();
	gd.horizontalSpan = hspan;
	button.setLayoutData(gd);
	setButtonDimensionHint(button);
	return button;
}
 

/**
 * Aligns the buttons as right-aligned on the dialog.
 *
 * @param buttons     the array of buttons to align
 * @param width       the standardized width of all the buttons
 * @param margin      the margin between buttons
 * @param lastControl (optional) the bottom most control used for aligning the buttons relative to the bottom of the
 *                    controls on the dialog
 */
protected static void rightAlignButtons( Button[] buttons, int width, int margin, Control lastControl ) {
  for ( int i = buttons.length - 1; i >= 0; --i ) {
    FormData formData = createDefaultFormData( buttons[ i ], width, margin, lastControl );

    // Set the right side of the buttons (either offset from the edge, or relative to the previous button)
    if ( i == buttons.length - 1 ) {
      formData.left = new FormAttachment( 100, -( width + margin ) );
    } else {
      formData.left = new FormAttachment( buttons[ i + 1 ], -( 2 * ( width + margin ) ) - margin );
    }

    // Apply the layout data
    buttons[ i ].setLayoutData( formData );
  }
}
 

FilterEqualsNodeComposite(Composite parent, TmfFilterEqualsNode node) {
    super(parent, node);
    fNode = node;

    createAspectControls();

    createValueText(fNode);

    new Label(this, SWT.NONE);

    fIgnoreCaseButton = new Button(this, SWT.CHECK);
    fIgnoreCaseButton.setSelection(fNode.isIgnoreCase());
    fIgnoreCaseButton.setText(Messages.FilterViewer_IgnoreCaseButtonText);
    fIgnoreCaseButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            fNode.setIgnoreCase(fIgnoreCaseButton.getSelection());
            fViewer.refresh(fNode);
        }
    });
}
 

@Override
protected void createButtonsForButtonBar(Composite parent) {
	((GridLayout) parent.getLayout()).numColumns++;
	Button button = new Button(parent, SWT.PUSH);
	button.setText("Apply");
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
	Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	data.widthHint = Math.max(widthHint, minSize.x);
	button.setLayoutData(data);
	button.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			applyChanges();
		}
	});
	super.createButtonsForButtonBar(parent);
	Shell shell = parent.getShell();
	if (shell != null) {
		shell.setDefaultButton(button);
	}
}
 

protected void createRemoveButton(Composite composite) {
    removeButton = new Button(composite,SWT.PUSH) ;
    removeButton.setText(Messages.removeData);
    removeButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            if (!configurationViewers.getSelection().isEmpty()) {
                final Object selection = ((StructuredSelection) configurationViewers.getSelection()).getFirstElement();
                if(selection instanceof ConnectorConfiguration){
                    final Resource r = ((ConnectorConfiguration)selection).eResource() ;
                    final String fileName =  URI.decode(r.getURI().lastSegment()) ;
                    final IRepositoryFileStore artifact = configurationStore.getChild(fileName, true) ;
                    if(artifact != null){
                        if(FileActionDialog.confirmDeletionQuestion(fileName)){
                            artifact.delete();
                        }
                    }
                    configurationViewers.setInput(new Object());
                }
            }

        }
    });
    removeButton.setEnabled(false);
}
 

private void renderDirection(Shell shell) {
	Group group = new Group(shell, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 3, 1));
	group.setLayout(new GridLayout(1, false));
	group.setText("Direction");

	directionForward = new Button(group, SWT.RADIO);
	directionForward.setText("Fordward");
	directionBackward = new Button(group, SWT.RADIO);
	directionBackward.setText("Backwards");
	directionForward.setSelection(true);
}
 

private void updateEnableState(boolean isCustom, final ListDialogField<IJavaProject> settingsField, Button configureCustom, BulletListBlock bulletListBlock) {
	settingsField.getListControl(null).setEnabled(!isCustom);
	if (isCustom) {
		fEnableState= ControlEnableState.disable(settingsField.getButtonBox(null));
	} else if (fEnableState != null) {
		fEnableState.restore();
		fEnableState= null;
	}
	bulletListBlock.setEnabled(isCustom);
	configureCustom.setEnabled(isCustom);
}
 

public static Button createAddButton(Composite composite) {
	GridData gridData = new GridData();
	gridData.grabExcessVerticalSpace = true;
	gridData.verticalAlignment = GridData.END;
	gridData.widthHint = Resources.BUTTON_WIDTH;

	Button button = new Button(composite, SWT.NONE);
	button.setText(ResourceString.getResourceString("label.right.arrow"));
	button.setLayoutData(gridData);

	return button;
}
 

/**
 * Create a check box
 *
 * @param numberOfColumns
 */
private void createCheckBox() {
	final Button button = new Button(bottomComponent, SWT.CHECK);
	button.setText(checkBoxLabel);
	button.setSelection(checkBoxValue);
	button.setLayoutData(new GridData(SWT.BEGINNING, SWT.BOTTOM, true, true, 1, 1));
	button.addListener(SWT.Selection, e -> {
		checkBoxValue = button.getSelection();
	});
}
 

/**
 * Returns a width hint for a button control.
 */
public static int getButtonWidthHint(Button button) {
	/*button.setFont(JFaceResources.getDialogFont());*/
	PixelConverter converter= new PixelConverter(button);
	int widthHint= converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
	return Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
}
 

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);

	for (int i = 0; i <= 10; i++) {
		Button button = new Button(shell, SWT.PUSH);
		button.setText("Button " + 1);
		button.setBounds(i*10, i*10, 200, 200);
		button.moveAbove(null);
		button.addSelectionListener(new SelectionAdapter() {
			
			@Override
			public void widgetSelected(SelectionEvent e) {
				Control control = (Control) e.widget;
				control.moveAbove(null);
			}
			
		});
	}
	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch()) {
			display.sleep();
		}
	}
}
 

private void addDropListener(Composite parent) {
	LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();

	DropTargetAdapter dragAdapter = new DropTargetAdapter() {
		@Override
		public void drop(DropTargetEvent event) {
			Control droppedObj = (Control) ((StructuredSelection) transfer.getSelection()).getFirstElement();

			// Get the existing parent of the dragged control
			Composite oldParent = droppedObj.getParent();

			if (oldParent == parent) {
				return;
			}

			if  (droppedObj instanceof Label) {
				System.out.println("Dropped");
			}
			// handle the drop
			if (droppedObj instanceof Label) {
				Label droppedLabel = (Label) droppedObj;
				droppedLabel.setParent(parent); // Change parent
			}

			if (droppedObj instanceof Button) {
				Button droppedButton = (Button) droppedObj;
				droppedButton.setParent(parent); // Change parent
			}

			// request a layout pass
			oldParent.requestLayout();
			// If you change that to layout the layout will be correct
			parent.layout();
		}
	};

	DropTarget dropTarget = new DropTarget(parent, DND.DROP_MOVE | DND.DROP_COPY);
	dropTarget.setTransfer(new Transfer[] { transfer });
	dropTarget.addDropListener(dragAdapter);
}
 

private Button createAccountGroupButton(
    Composite composite, Image icon, String text, Listener listener) {
  Button button = new Button(composite, SWT.PUSH);
  button.setImage(icon);
  button.setText(text);
  button.addListener(SWT.Selection, listener);
  button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  return button;
}
 

public void setUp1() throws Exception {
	Shell shell = getShell();
	shell.setLayout(new GridLayout(2, true));

	// row 1
	button1 = new Button(shell, SWT.PUSH);
	button1.setText("B1");
	button1.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	VCanvas c1 = new VCanvas(shell, SWT.NONE);
	c1.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	c1.getPanel().setLayout(new VSimpleLayout());
	
	vbutton1 = new VButton(c1.getPanel(), SWT.PUSH);
	vbutton1.setText("VB1");

	// row 2
	button2 = new Button(shell, SWT.PUSH);
	button2.setText("B2");
	button2.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	VCanvas c2 = new VCanvas(shell, SWT.NONE);
	c2.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	c2.getPanel().setLayout(new VSimpleLayout());

	vbutton2 = new VButton(c2.getPanel(), SWT.PUSH);
	vbutton2.setText("VB2");
}
 

/**
 * Update the status of the ok button to reflect the given status.
 * Subclasses may override this method to update additional buttons.
 * 
 * @param status
 */
protected void updateButtonsEnableState( IStatus status )
{
	Button okButton = getOkButton( );
	if ( okButton != null && !okButton.isDisposed( ) )
	{
		okButton.setEnabled( !status.matches( IStatus.ERROR ) );
	}
}
 

@Override
protected void createButtonsForButtonBar(Composite parent) {
	super.createButtonsForButtonBar(parent);
	Button ok= getButton(IDialogConstants.OK_ID);
	ok.setText( RefactoringMessages.ChangeExceptionHandler_undo_button);
	Button abort= createButton(parent, IDialogConstants.CANCEL_ID, RefactoringMessages.ChangeExceptionHandler_abort_button, true);
	abort.moveBelow(ok);
	abort.setFocus();
}
 

public void validatePage() {
		if (targetCategory != null) {
			List<NodeElement> selectedNodeElementList = new ArrayList<NodeElement>();

			for (NodeElement table : this.nodeCheckMap.keySet()) {
				Button selectCheckButton = (Button) this.nodeCheckMap
						.get(table).getEditor();

				if (selectCheckButton.getSelection()) {
					selectedNodeElementList.add(table);
				}
			}

			targetCategory.setContents(selectedNodeElementList);
		}

		List<VGroup> selectedCategories = new ArrayList<VGroup>();

		for (VGroup category : erModel.getGroups()) {
			Button button = (Button) this.categoryCheckMap.get(category).getEditor();

			if (button.getSelection()) {
				selectedCategories.add(category);
			}
		}

//		categorySettings.setSelectedCategories(selectedCategories);
	}
 

/**
 * This method initializes composite
 * 
 */
private void createGroupListComposite(Composite parent) {
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 3;
	gridLayout.verticalSpacing = 10;

	GridData gridData = new GridData();
	gridData.heightHint = HEIGHT;

	Composite composite = new Composite(parent, SWT.BORDER);
	composite.setLayoutData(gridData);
	composite.setLayout(gridLayout);
	createGroup(composite);

	groupAddButton = new Button(composite, SWT.NONE);
	groupAddButton.setText(ResourceString
			.getResourceString("label.button.group.add"));

	groupEditButton = new Button(composite, SWT.NONE);
	groupEditButton.setText(ResourceString
			.getResourceString("label.button.group.edit"));

	this.groupDeleteButton = new Button(composite, SWT.NONE);
	this.groupDeleteButton.setText(ResourceString
			.getResourceString("label.button.group.delete"));

	this.addToGlobalGroupButton = new Button(composite, SWT.NONE);
	this.addToGlobalGroupButton.setText(ResourceString
			.getResourceString("label.button.add.to.global.group"));

	GridData gridData3 = new GridData();
	gridData3.horizontalSpan = 3;
	this.addToGlobalGroupButton.setLayoutData(gridData3);

	if (this.globalGroup) {
		this.addToGlobalGroupButton.setVisible(false);
	}

	setButtonEnabled(false);
}
 

/**
 * @param key
 * @param checkBox
 * 
 */
protected void checkBoxChange( Button checkBox, String key )
{
	dirtyProperties.put( key, Boolean.valueOf( checkBox.getSelection( ) ) );
	if ( CHECKBOX_ISREQUIRED.equals( key )
			|| CHECKBOX_DISTINCT.equals( key ) )
	{
		if ( ( isStatic( ) && !distinct.isEnabled( ) )
				|| ( distinct.isEnabled( ) && !distinct.getSelection( ) ) )
		{
			boolean change = makeUniqueAndValid( );
			if ( change )
			{
				if ( isStatic( ) )
				{
					refreshStaticValueTable( );
				}
				else
				{
					refreshDynamicValueTable( );
				}
			}
		}
		if ( getSelectedDataType( ).equals( DesignChoiceConstants.PARAM_TYPE_STRING ) )
		{
			clearDefaultValueChooser( checkBox.getSelection( ) );
		}

		handleDefaultValueModifyEvent( );

		updateMessageLine( );
	}
}
 

public RadioProfileEntry ( final DataBindingContext dbc, final Composite parent, final ProfileManager profileManager, final Profile profile, final ChartContext chartContext )
{
    super ( dbc, profileManager, profile, chartContext );

    this.widget = new Button ( parent, SWT.RADIO );
    addBinding ( dbc.bindValue ( SWTObservables.observeText ( this.widget ), EMFObservables.observeValue ( profile, ChartPackage.Literals.PROFILE__LABEL ) ) );

    this.widget.addSelectionListener ( new SelectionAdapter () {
        @Override
        public void widgetSelected ( final SelectionEvent e )
        {
            fireSelection ( RadioProfileEntry.this.widget.getSelection () );
        };
    } );
}
 

private void createFileTypeChoice(Composite composite, int cols2) {
	Group group1 = new Group(composite, SWT.SHADOW_IN);
	group1.setText("Model syntax");
	group1.setLayout(new RowLayout(SWT.VERTICAL));
	group1.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 3, 1));
	xtxt = new Button(group1, SWT.RADIO);
	xtxt.setText("XtxtUML (custom syntax)");
	xtxt.setSelection(true);
	txt = new Button(group1, SWT.RADIO);
	txt.setText("JtxtUML (Java syntax)");
}