Java Code Examples for org.eclipse.swt.widgets.Label#setVisible()

@Override
public void createControl(UI_POSITION position, Composite parent) {
  // We add controls only to the BOTTOM position.
  if (position == UI_POSITION.BOTTOM) {
    portLabel = new Label(parent, SWT.NONE);
    portLabel.setVisible(false);
    portLabel.setText(Messages.getString("NEW_SERVER_DIALOG_PORT"));

    portText = new Text(parent, SWT.SINGLE | SWT.BORDER);
    portText.setVisible(false);
    portText.setText(String.valueOf(LocalAppEngineServerBehaviour.DEFAULT_SERVER_PORT));
    portText.addVerifyListener(new PortChangeMonitor());
    portText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    FieldDecorationRegistry registry = FieldDecorationRegistry.getDefault();
    Image errorImage = registry.getFieldDecoration(FieldDecorationRegistry.DEC_ERROR).getImage();

    portDecoration = new ControlDecoration(portText, SWT.LEFT | SWT.TOP);
    portDecoration.setDescriptionText(Messages.getString("NEW_SERVER_DIALOG_INVALID_PORT_VALUE"));
    portDecoration.setImage(errorImage);
    portDecoration.hide();
  }
}
 

public void setVisible(boolean visible, Composite parent) {
    if (!useGroup) {
        Label labelControl = getLabelControl(parent);
        labelControl.setVisible(visible);
        Object layoutData = labelControl.getLayoutData();
        if (layoutData instanceof GridData) {
            ((GridData) layoutData).exclude = !visible;
        }

        radioBox.setVisible(visible);
        layoutData = radioBox.getLayoutData();
        if (layoutData instanceof GridData) {
            ((GridData) layoutData).exclude = !visible;
        }
    } else {
        // TODO: Implement when needed.
    }

}
 

public void setVisible(boolean visible, Composite parent) {
    Label labelControl = getLabelControl(parent);
    Text textControl = getTextControl(parent);
    labelControl.setVisible(visible);
    textControl.setVisible(visible);

    Object layoutData = labelControl.getLayoutData();
    if (layoutData instanceof GridData) {
        ((GridData) layoutData).exclude = !visible;
    }
    layoutData = textControl.getLayoutData();
    if (layoutData instanceof GridData) {
        ((GridData) layoutData).exclude = !visible;
    }

}
 

private Control createSearchFor(Composite parent) {
	Group result= new Group(parent, SWT.NONE);
	result.setText(SearchMessages.SearchPage_searchFor_label);
	result.setLayout(new GridLayout(2, true));

	fSearchFor= new Button[] {
		createButton(result, SWT.RADIO, SearchMessages.SearchPage_searchFor_type, TYPE, true),
		createButton(result, SWT.RADIO, SearchMessages.SearchPage_searchFor_method, METHOD, false),
		createButton(result, SWT.RADIO, SearchMessages.SearchPage_searchFor_package, PACKAGE, false),
		createButton(result, SWT.RADIO, SearchMessages.SearchPage_searchFor_constructor, CONSTRUCTOR, false),
		createButton(result, SWT.RADIO, SearchMessages.SearchPage_searchFor_field, FIELD, false)
	};

	// Fill with dummy radio buttons
	Label filler= new Label(result, SWT.NONE);
	filler.setVisible(false);
	filler.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1));

	return result;
}
 

private void addRowAllButAndAs(Composite parent, boolean selected, String astext) {
	Label lblNewLabel = new Label(parent, SWT.NONE);
	lblNewLabel.setText("ALL BUT");

	checkAllBut = new Button(parent, SWT.CHECK);
	checkAllBut.setSelection(selected);

	Label dummy = new Label(parent, SWT.NONE);
	dummy.setVisible(false);

	Label asPrompt = new Label(parent, SWT.NONE);
	asPrompt.setAlignment(SWT.RIGHT);
	asPrompt.setText("As:");

	as = new Text(parent, SWT.NONE);
	as.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	as.setText(astext);
}
 

private Label createSeparator(Composite parent) {
	Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
	separator.setFont(parent.getFont());
	separator.setVisible(false);
	GridData gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.verticalAlignment = GridData.BEGINNING;
	gd.verticalIndent = 4;
	separator.setLayoutData(gd);
	return separator;
}
 

private Label createSeparator(Composite parent) {
	Label separator= new Label(parent, SWT.NONE);
	separator.setFont(parent.getFont());
	separator.setVisible(false);
	GridData gd= new GridData();
	gd.horizontalAlignment= GridData.FILL;
	gd.verticalAlignment= GridData.BEGINNING;
	gd.heightHint= 4;
	separator.setLayoutData(gd);
	return separator;
}
 

private void createSeparator( Composite parent )
{
	Label separator = new Label( parent, SWT.SEPARATOR | SWT.HORIZONTAL );
	separator.setVisible( false );
	GridData gd = new GridData( );
	gd.verticalIndent = 20;
	separator.setLayoutData( gd );
}
 

private int create2ValueComposite( Composite condition )
{

	if ( expressionValue1 != null && !expressionValue1.isDisposed( ) )
	{
		return 0;
	}

	if ( valueListComposite != null && !valueListComposite.isDisposed( ) )
	{
		valueListComposite.dispose( );
		valueListComposite = null;
	}

	GridData expgd = new GridData( );
	expgd.widthHint = 100;

	expressionValue1 = createExpressionValue( condition );
	expressionValue1.setLayoutData( expgd );

	dummy1 = createDummy( condition, 3 );

	andLable = new Label( condition, SWT.NONE );
	andLable.setText( Messages.getString( "FilterConditionBuilder.text.AND" ) ); //$NON-NLS-1$
	andLable.setEnabled( false );
	andLable.setVisible( false );

	dummy2 = createDummy( condition, 3 );

	expressionValue2 = createExpressionValue( condition );
	expressionValue2.setLayoutData( expgd );

	expressionValue2.setVisible( false );
	ExpressionButtonUtil.getExpressionButton( expressionValue2 )
			.getControl( )
			.setVisible( false );

	condition.getParent( ).layout( true, true );
	return 1;
}
 

private void addRowAllBut(boolean selected) {
	Label lblNewLabel = new Label(this, SWT.NONE);
	lblNewLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	lblNewLabel.setText("ALL BUT");

	checkAllBut = new Button(this, SWT.CHECK);
	checkAllBut.setSelection(selected);

	Label dummy = new Label(this, SWT.NONE);
	dummy.setVisible(false);
}
 

private Label createSeparator(Composite parent) {
	Label separator= new Label(parent, SWT.NONE);
	separator.setFont(parent.getFont());
	separator.setVisible(false);
	GridData gd= new GridData();
	gd.horizontalAlignment= GridData.FILL;
	gd.verticalAlignment= GridData.BEGINNING;
	gd.heightHint= 4;
	separator.setLayoutData(gd);
	return separator;
}
 

private Group createUpnpGroup(Composite parent) {

    Group group = new Group(parent, SWT.NONE);
    group.setText(Messages.NetworkPreferencePage_upnp_devices);

    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 1;

    group.setLayout(gridLayout);
    group.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));

    gatewayInfo = new Label(group, SWT.CENTER);
    gatewayInfo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    upnpDevicesTable = new Table(group, SWT.CHECK | SWT.BORDER | SWT.FULL_SELECTION);

    upnpDevicesTable.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    upnpDevicesTable.addListener(
        SWT.Selection,
        new Listener() {
          @Override
          public void handleEvent(Event event) {
            if (event.detail == SWT.CHECK) handleGatewaySelection(event);
          }
        });

    gatewayInfo.setVisible(false);
    upnpDevicesTable.setVisible(false);

    return group;
  }
 

protected void setErrorLabel(Label label, String errorMessage) {
    if (label != null && !label.isDisposed()) {
        label.setText(errorMessage == null ? " \n " : errorMessage); //$NON-NLS-1$
        final boolean hasError = errorMessage != null && (StringConverter.removeWhiteSpaces(errorMessage)).length() > 0;
        label.setEnabled(hasError);
        label.setVisible(hasError);
        label.getParent().update();
        Control button = getButton(IDialogConstants.OK_ID);

        if (button != null) {
            button.setEnabled(errorMessage == null);
        }
    }
}
 

@Override
protected Control createCustomArea(Composite parent) {
    if (detailsMessage != null) {
        parent.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).create());
        //Above Image filler
        Image image = getImage();
        if (image != null) {
            Label filler = new Label(parent, SWT.NULL);
            filler.setImage(image);
            GridDataFactory.fillDefaults().align(SWT.CENTER, SWT.BEGINNING)
                    .applyTo(filler);
            filler.setVisible(false);
        }

        Section section = new Section(parent,
                Section.TWISTIE | Section.NO_TITLE_FOCUS_BOX | Section.CLIENT_INDENT);
        section.setText(Messages.moreDetails);
        section.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

        Composite client = new Composite(section, SWT.NONE);
        client.setLayoutData(GridDataFactory.fillDefaults().create());
        client.setLayout(GridLayoutFactory.fillDefaults().create());

        Link detailsLabel = new Link(client, getMessageLabelStyle());
        linkSelectionListener.ifPresent(listener -> detailsLabel.addListener(SWT.Selection, listener));
        detailsLabel.setText(detailsMessage);
        GridDataFactory
                .fillDefaults()
                .align(SWT.FILL, SWT.BEGINNING)
                .grab(true, false)
                .hint(convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH),
                        SWT.DEFAULT)
                .applyTo(detailsLabel);
        section.setClient(client);
        section.addExpansionListener(new ExpansionAdapter() {

            @Override
            public void expansionStateChanged(ExpansionEvent e) {
                parent.getShell().pack();
            }
        });
        return section;
    }
    return super.createCustomArea(parent);
}
 

private void createFiller(Composite composite, int h_span) {
   Label filler= new Label(composite, SWT.NONE);
filler.setVisible(false);
filler.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, h_span, 1));
  }
 

/**
 * Create contents of the dialog.
 * @param parent
 */
@Override
protected Control createDialogArea(Composite parent) {
	Composite container = (Composite) super.createDialogArea(parent);
	container.setLayout(new GridLayout(1, false));
	tabFolder = new TabFolder(container, SWT.NONE);
	tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
	
	TabItem ui_LayoutItem = new TabItem(tabFolder, SWT.NONE);
	ui_LayoutItem.setText(Messages.AddFeatureDialog_UI);
	TableViewer UIViewer = createTable(tabFolder, ui_LayoutItem);
	UIViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_THREE));
	
	TabItem navigationMenuItem = new TabItem(tabFolder, SWT.NONE);
	navigationMenuItem.setText(Messages.AddFeatureDialog_VIDEO);
	TableViewer videoViewer = createTable(tabFolder, navigationMenuItem);
	videoViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_FOUR));
	
	TabItem extendedItem = new TabItem(tabFolder, SWT.NONE);
	extendedItem.setText(Messages.AddFeatureDialog_3RD);
	TableViewer _3rdItemViewer = createTable(tabFolder, extendedItem);
	_3rdItemViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_FIVE));
	
	TabItem open_sdk_Item = new TabItem(tabFolder, SWT.NONE);
	open_sdk_Item.setText(Messages.AddFeatureDialog_CUSTOM);
	TableViewer customViewer = createTable(tabFolder, open_sdk_Item);
	customViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_EIGHT));
	
	TabItem deviceAccessItem = new TabItem(tabFolder, SWT.NONE);
	deviceAccessItem.setText(Messages.AddFeatureDialog_INTERACTION);
	TableViewer InteractionViewer = createTable(tabFolder, deviceAccessItem);
	InteractionViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_TWO));
	
	TabItem cloud_ServerItem = new TabItem(tabFolder, SWT.NONE);
	cloud_ServerItem.setText(Messages.AddFeatureDialog_CLOUDSERVER);
	TableViewer cloud_ServerViewer = createTable(tabFolder, cloud_ServerItem);
	cloud_ServerViewer.setInput(getFeatureByType(Messages.AddFeatureDialog_NINE));
	 
	Composite composite = new Composite(container, SWT.NONE);
	composite.setLayout(new GridLayout(4, false));
	composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
	
	lblParamkey = new Label(composite, SWT.NONE);
	lblParamkey.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblParamkey.setText("       urlScheme");
	lblParamkey.setVisible(false);
	
	text_urlScheme = new Text(composite, SWT.BORDER);
	text_urlScheme.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	text_urlScheme.setVisible(false);
	
	lblParamvalue = new Label(composite, SWT.NONE);
	lblParamvalue.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblParamvalue.setText("     apiKey");
	lblParamvalue.setVisible(false);
	
	text_apiKey = new Text(composite, SWT.BORDER);
	text_apiKey.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	text_apiKey.setVisible(false);
	return container;
}
 

/**
 * Create contents of the dialog.
 */
private void createContents() {
    shell = new Shell(getParent(), getStyle());
    shell.setSize(450, 415);
    shell.setText(getText());
    shell.setImage(SWTResourceManager.getImage(".\\icons\\title.png"));
    shell.setLayout(new GridLayout(1, false));
    display = getParent().getDisplay();

    Composite composite1 = new Composite(shell, SWT.NONE);
    GridData gd_composite1 = new GridData(435, 50);
    gd_composite1.verticalAlignment = SWT.CENTER;
    composite1.setLayoutData(gd_composite1);
    composite1.setLayout(new GridLayout(3, false));

    Label lbNewScript = new Label(composite1, SWT.CENTER);
    lbNewScript.setText("保存截图");
    lbNewScript.setFont(new Font(display, "宋体", 12, SWT.BOLD));
    new Label(composite1, SWT.NONE);
    new Label(composite1, SWT.NONE);

    lblError = new Label(composite1, SWT.NONE);
    GridData gd_lblError = new GridData(SWT.LEFT, SWT.CENTER, false, false, 3, 1);
    gd_lblError.widthHint = 207;
    lblError.setLayoutData(gd_lblError);
    lblError.setText("New Label");
    lblError.setVisible(false);
    /*
    Label abc1 = new Label(composite1,SWT.CENTER);
    abc1.setText("                                                                         ");
    abc1.setVisible(false);
    Label abc2 = new Label(composite1,SWT.CENTER);
    FileInputStream input;
    try {
    	input = new FileInputStream(new File(
    			".\\icons\\title.png"));
    	ImageData imageData = new ImageData(input);
    	abc2.setImage(new Image(Display.getDefault(), imageData));
    } catch (FileNotFoundException e) {
    	// TODO Auto-generated catch block
    	e.printStackTrace();
    }
    */

}
 

private void layoutUI() {
  FormLayout topicSelectionLayout = new FormLayout();
  this.setLayout( topicSelectionLayout );

  wTopicGroup = new Group( this, SWT.SHADOW_ETCHED_IN );
  props.setLook( wTopicGroup );
  wTopicGroup.setText( topicGroupLabel );

  FormLayout topicGroupLayout = new FormLayout();
  topicGroupLayout.marginHeight = 15;
  topicGroupLayout.marginWidth = 15;
  wTopicGroup.setLayout( topicGroupLayout );

  wTopicGroup.setLayoutData( new FormDataBuilder().top( 0, ConstUI.MEDUIM_MARGIN ).fullWidth().bottom().result() );

  wTopicFromText = new Button( wTopicGroup, SWT.RADIO );
  wTopicFromField = new Button( wTopicGroup, SWT.RADIO );
  props.setLook( wTopicFromText );
  props.setLook( wTopicFromField );

  SelectionAdapter selectionListener = new SelectionAdapter() {
    @Override
    public void widgetSelected( SelectionEvent selectionEvent ) {
      super.widgetSelected( selectionEvent );
      setTopicWidgetVisibility( wTopicFromField );
    }
  };

  wTopicFromField.addSelectionListener( selectionListener );
  wTopicFromText.addSelectionListener( selectionListener );

  wTopicFromField.setSelection( topicInField );
  wTopicFromText.setSelection( !topicInField );

  wTopicFromText.setText( textTopicRadioLabel );
  wTopicFromField.setText( fieldTopicRadioLabel );

  wTopicFromText.setLayoutData( new FormDataBuilder().left().top().result() );

  wTopicFromField.setLayoutData( new FormDataBuilder().left().top( wTopicFromText ).result() );
  wTopicFromField.addSelectionListener( selectionListener );
  wTopicFromText.addSelectionListener( selectionListener );

  Label separator = new Label( wTopicGroup, SWT.SEPARATOR | SWT.VERTICAL );
  separator.setLayoutData( new FormDataBuilder().top().left( wTopicFromField, 15 ).bottom().result() );

  wlTopic = new Label( wTopicGroup, SWT.LEFT );
  props.setLook( wlTopic );

  if ( displayTopicErrorIcon ) {
    //Connection Error Icon label
    wlTopic.setLayoutData( new FormDataBuilder().top().left( separator, 15 ).result() );

    wlConnectionError = new Label( wTopicGroup, SWT.LEFT );
    wlConnectionError.setToolTipText( fieldTopicErrorToolTip );
    wlConnectionError.setImage( SwtSvgImageUtil.getImage(
      this.getDisplay(), getClass().getClassLoader(), "error.svg", ConstUI.SMALL_ICON_SIZE,
      ConstUI.SMALL_ICON_SIZE ) );
    props.setLook( wlConnectionError );

    wlConnectionError.setLayoutData( new FormDataBuilder().top().left( wlTopic, MARGIN ).result() );
    wlConnectionError.setVisible( false );
  } else {
    wlTopic.setLayoutData( new FormDataBuilder().top().left( separator, 15 ).right().result() );
  }

  FormData fdTopic = new FormDataBuilder().top( wlTopic ).left( separator, 15 ).right().result();

  wTopicTextCombo = new ComboVar( transMeta, wTopicGroup, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
  props.setLook( wTopicTextCombo );
  wTopicTextCombo.setLayoutData( fdTopic );
  wTopicTextCombo.addModifyListener( lsMod );

  wTopicText = new TextVar( transMeta, wTopicGroup, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
  props.setLook( wTopicText );
  wTopicText.setLayoutData( fdTopic );
  wTopicText.addModifyListener( lsMod );

  wTopicField = createFieldDropDown( wTopicGroup, props, stepMeta, fdTopic );
  props.setLook( wTopicField );
  wTopicField.setLayoutData( fdTopic );
  setTopicWidgetVisibility( wTopicFromField );
  wTopicField.addModifyListener( lsMod );
}
 

/**
 * Create contents of the dialog.
 */
private void createContents() {
	shell = new Shell(getParent(), getStyle());
	shell.setSize(450, 300);
	shell.setText(getText());
	shell.setImage(SWTResourceManager.getImage(".\\icons\\title.png"));
	shell.setLayout(new GridLayout(1,false));
	display = getParent().getDisplay();
	 
	Composite composite1 = new Composite(shell, SWT.NONE);
	GridData gd_composite1 = new GridData(435, 50);
	gd_composite1.verticalAlignment = SWT.CENTER;
	composite1.setLayoutData(gd_composite1);
	composite1.setLayout(new GridLayout(3,false));
	
	Label lbNewScript = new Label(composite1,SWT.CENTER);
	lbNewScript.setText("新建脚本框");
	lbNewScript.setFont(new Font(display,"宋体",12,SWT.BOLD));
	new Label(composite1, SWT.NONE);
	new Label(composite1, SWT.NONE);
	
	lblError = new Label(composite1, SWT.NONE);
	GridData gd_lblError = new GridData(SWT.LEFT, SWT.CENTER, false, false, 3, 1);
	gd_lblError.widthHint = 207;
	lblError.setLayoutData(gd_lblError);
	lblError.setText("New Label");
	lblError.setVisible(false);
       /*
	Label abc1 = new Label(composite1,SWT.CENTER);
	abc1.setText("                                                                         ");
	abc1.setVisible(false);
	Label abc2 = new Label(composite1,SWT.CENTER);
	FileInputStream input;
	try {
		input = new FileInputStream(new File(
				".\\icons\\title.png"));
		ImageData imageData = new ImageData(input);
		abc2.setImage(new Image(Display.getDefault(), imageData));
	} catch (FileNotFoundException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
       */
	

}
 

/**
 * Setups gateway SWT controls by populating a gateway combobox and configuring an information
 * Label and the enabling checkbox.
 *
 * @param combo {@link Combo} selector to populate with discovered gateways
 * @param info {@link Label} displaying status information of the discovery
 * @param checkbox {@link Button} checkbox to enable/disable UPnP support
 */
private void populateGatewaySelectionControls(
    List<GatewayDevice> gateways, final Combo combo, final Label info, final Button checkbox) {

  combo.setEnabled(false);
  checkbox.setEnabled(false);
  combo.removeAll();

  // if no devices are found, return now - nothing to populate
  if (gateways == null || gateways.isEmpty()) {
    info.setText(Messages.UPnPUIUtils_no_gateway);
    info.getParent().pack();
    return;
  }

  this.gateways = new ArrayList<GatewayDevice>();

  // insert found gateways into combobox
  for (GatewayDevice gw : gateways) {
    try {
      String name = gw.getFriendlyName();
      if (!gw.isConnected()) name += Messages.UPnPUIUtils_disconnected;

      combo.add(name);
      this.gateways.add(gw);

    } catch (Exception e) {
      log.debug("Error updating UPnP selector:" + e.getMessage()); // $NON-NLS-1$
      // ignore faulty gateway
    }
  }

  // if valid gateway found, show info and enable
  if (combo.getItemCount() > 0) {
    checkbox.setEnabled(true);
    combo.setEnabled(true);
    combo.select(0);
    combo.pack();
    info.setVisible(false);
  } else {
    info.setText(Messages.UPnPUIUtils_no_valid_gateway);
  }
  info.getParent().pack();
}