Java Code Examples for org.eclipse.swt.events.ModifyListener

public AuthComposite( Composite composite, int style, PropsUi props, ModifyListener lsMod, PipelineMeta pipelineMeta,
                      String credentialGroupName, String usernameLabel, String passwordLabel ) {
  super( composite, style );
  checkNotNull( props );
  checkNotNull( lsMod );
  checkNotNull( pipelineMeta );

  this.props = props;
  this.lsMod = lsMod;
  this.pipelineMeta = pipelineMeta;

  this.authGroupLabel = credentialGroupName;
  this.usernameLabel = usernameLabel;
  this.passwordLabel = passwordLabel;

  layoutComposite();
}
 

/**
 * Add a <code>Text</code> control to the handler so that the Cut, Copy, Paste, Delete, Undo, Redo and Select All
 * actions are redirected to it when active.
 * @param viewer
 *            the inline <code>Text</code> control
 */
public void addTextViewer(CellEditorTextViewer viewer) {
	if (viewer == null) {
		return;
	}
	this.viewer = viewer;
	StyledText textControl = viewer.getTextWidget();

	viewer.addSelectionChangedListener(new ISelectionChangedListener() {
		public void selectionChanged(SelectionChangedEvent event) {
			updateActionsEnableState();
		}
	});

	textControl.addModifyListener(new ModifyListener() {
		public void modifyText(ModifyEvent e) {
			updateActionsEnableState();
		}
	});

	updateActionsEnableState();
}
 

/**
 * 
 * @param parent
 * @param index
 */
private void createTextCell( Composite parent, final int index )
{
	firstLabel = ControlProvider.createLabel( parent,
			dialogLabels[index] );
	this.maxWidth = computeMaxWidth( firstLabel );

	txtColumnName = ControlProvider.createText( parent,
			(String) getProperty( getStructureOrHandle( ),
					cellProperties[index] ) );
	txtColumnName.setLayoutData( ControlProvider.getGridDataWithHSpan( 2 ) );
	columnName = txtColumnName.getText( );
	txtColumnName.addModifyListener( new ModifyListener( ) {

		public void modifyText( ModifyEvent e )
		{
			validateSyntax( );
		}
	} );
}
 

@Override
public void createControl(Composite parent) {
    initializeDialogUnits(parent);
    Composite container = new Composite(parent, SWT.NULL);
    setControl(container);

    container.setLayout(new GridLayout(2, false));

    SWTFactory.createVerticalSpacer(container, 2.0);
    SWTFactory.createLabel(container, Messages.SdkToolsControlAddDialog_GroupName + ':', 1);
    text = SWTFactory.createSingleText(container,  1);
    text.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            validatePage();
        }
    });
    
    text.setText(groupName);
    text.setFocus();
    validatePage();
}
 

/**
 * Create contents of the dialog.
 *
 * @param parent
 */
@Override
protected Control createDialogArea(Composite parent) {
  Composite comp = (Composite) super.createDialogArea(parent);
  ((GridLayout) comp.getLayout()).numColumns = 2;

  Label nameLabel = new Label(comp, SWT.NONE);
  nameLabel.setText("Variable &name:");
  GridData gd_nameLabel = new GridData();
  gd_nameLabel.horizontalAlignment = SWT.LEFT;
  nameLabel.setLayoutData(gd_nameLabel);

  variableName = new Text(comp, SWT.BORDER);
  // disable OK button if variable name is empty..
  variableName.addModifyListener(new ModifyListener() {
    public void modifyText(ModifyEvent e) {
      final boolean enable = ((Text) e.widget).getText().trim().length() > 0;
      final Button button = getButton(IDialogConstants.OK_ID);
      button.setEnabled(enable);
    }
  });
  variableName.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

  return comp;
}
 

/**
 * @param parent
 * @param in
 * @param tr
 * @param sname
 */
public IngresVectorwiseLoaderDialog( Shell parent, Object in, TransMeta tr, String sname ) {
  super( parent, (BaseStepMeta) in, tr, sname );
  input = (IngresVectorwiseLoaderMeta) in;

  lsMod = new ModifyListener() {
    public void modifyText( ModifyEvent e ) {
      input.setChanged();
    }
  };

  lsSelMod = new SelectionAdapter() {
    public void widgetSelected( SelectionEvent arg0 ) {
      input.setChanged();
    }
  };
}
 

/**
 * Creates or returns the created text control.
 * @param parent The parent composite or <code>null</code> when the widget has
 * already been created.
 * @return the text control
 */
public Text getTextControl(Composite parent) {
	if (fTextControl == null) {
		assertCompositeNotNull(parent);
		fModifyListener= new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				doModifyText();
			}
		};

		fTextControl= createTextControl(parent);
		// moved up due to 1GEUNW2
		fTextControl.setText(fText);
		fTextControl.setFont(parent.getFont());
		fTextControl.addModifyListener(fModifyListener);

		fTextControl.setEnabled(isEnabled());
		if (fContentAssistProcessor != null) {
		    ControlContentAssistHelper.createTextContentAssistant(fTextControl, fContentAssistProcessor);
		}
	}
	return fTextControl;
}
 

private Text createCWTimeoutEntry(Composite comp, String label, String prefKey) {
    Label timeoutLabel = new Label(comp, SWT.NONE);
    timeoutLabel.setText(label);
    timeoutLabel.setLayoutData(new GridData(GridData.BEGINNING, GridData.FILL, false, false));
    
    Text text = new Text(comp, SWT.BORDER);
    text.setText(Integer.toString(prefs.getInt(prefKey)));
    GridData data = new GridData(GridData.BEGINNING, GridData.FILL, false, false);
	data.widthHint = 50;
	text.setLayoutData(data);
	
	text.addModifyListener(new ModifyListener() {
		@Override
		public void modifyText(ModifyEvent arg0) {
			validate();
		}
	});
	
    return text;
}
 

private void createSearchText(final Composite composite) {
    searchText = new Text(composite, SWT.SEARCH | SWT.ICON_SEARCH | SWT.BORDER | SWT.CANCEL);
    searchText.setMessage(Messages.search);
    searchText.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create());

    searchFilter = new ViewerFilter() {

        @Override
        public boolean select(final Viewer arg0, final Object arg1, final Object element) {
            if (!searchText.getText().isEmpty()) {
                final String searchQuery = searchText.getText().toLowerCase();
                final IRepositoryFileStore file = (IRepositoryFileStore) element;
                return file.getName().toLowerCase().contains(searchQuery);
            }
            return true;
        }
    };

    searchText.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(final ModifyEvent e) {
            tableViewer.refresh();
        }
    });
}
 

private void setupControls() {
  buttonBrowse.addSelectionListener(new SelectionAdapter() {

    @Override
    public void widgetSelected(SelectionEvent event) {
      FileDialog fd = new FileDialog(getShell(), SWT.SAVE);
      fd.setText(Messages.LoginDialog_FileDialog_title);
      String path = fd.open();
      if (path != null) {
        updateWalletPath(path);
      }
    };
  });

  ModifyListener listener = new ModifyListener() {

    @Override
    public void modifyText(ModifyEvent e) {
      updateDialogButtons();
    }
  };
  textPassword.addModifyListener(listener);
  textPassword2.addModifyListener(listener);
}
 

private void createFilterPart( Composite composite )
{
    new Label( composite, SWT.NONE ).setText( Messages.getString( "MeasureDialog.Label.Filter" ) ); //$NON-NLS-1$
    txtFilter = new Text( composite, SWT.BORDER | SWT.MULTI );
    GridData gd = new GridData( GridData.FILL_HORIZONTAL );
    gd.heightHint = txtFilter.computeSize( SWT.DEFAULT, SWT.DEFAULT ).y - txtFilter.getBorderWidth( ) * 2;
    gd.horizontalSpan = 1;
    txtFilter.setLayoutData( gd );

    txtFilter.addModifyListener( new ModifyListener( ) {

        public void modifyText( ModifyEvent arg0 )
        {
            checkOkButtonStatus( );
        }
    } );
    ExpressionButtonUtil.createExpressionButton( composite,
            txtFilter,
            provider,
            input );        
}
 

/**
 * Adds the text field.
 *
 * @param parent the parent
 * @param strLabel the str label
 * @param strText the str text
 * @param editable the editable
 * @return the text
 */
public Text addTextField(Composite parent, String strLabel, String strText, boolean editable) {
  Label label = new Label(parent, SWT.NULL);
  label.setText(strLabel);

  Text text = new Text(parent, SWT.BORDER | SWT.SINGLE);
  text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  text.setText(strText);
  text.addModifyListener(new ModifyListener() {
    @Override
    public void modifyText(ModifyEvent e) {
      dialogChanged();
    }
  });
  text.setEditable(editable);
  return text;
}
 

private void createNameArea(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.marginWidth = 0;
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
layout.numColumns = 2;
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
composite.setFont(parent.getFont());

Label label = new Label(composite, SWT.NONE);
label.setText(Policy.bind("CommitSetDialog_0")); 
label.setLayoutData(new GridData(GridData.BEGINNING));

nameText = new Text(composite, SWT.BORDER);
nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
      nameText.addModifyListener(new ModifyListener() {
          public void modifyText(ModifyEvent e) {
              updateEnablements();
          }
      });
  }
 

private void createNameArea(Composite parent, String areaName, Consumer<String> textHandler) {
	final Group area = new Group(parent, SHADOW_ETCHED_IN);
	area.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create());
	area.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	area.setText(areaName);

	final Text txtPackageName = getSimpleTextArea(area);
	txtPackageName.addModifyListener(new ModifyListener() {

		@Override
		public void modifyText(ModifyEvent e) {
			Text textWidget = (Text) e.getSource();
			textHandler.accept(textWidget.getText());
		}
	});
}
 

/**
 * Adds the connection line for the given parent and previous control, and returns a meta selection manager control
 *
 * @param parent   the parent composite object
 * @param previous the previous control
 * @param
 * @return the combo box UI component
 */
public MetaSelectionLine<DatabaseMeta> addConnectionLine( Composite parent, Control previous, DatabaseMeta selected, ModifyListener lsMod ) {

  final MetaSelectionLine<DatabaseMeta> wConnection = new MetaSelectionLine<>(
    workflowMeta,
    metadataProvider,
    DatabaseMeta.class, parent, SWT.NONE,
    BaseMessages.getString( PKG, "BaseTransformDialog.Connection.Label" ),
    "Select the relational database connection to use" // TODO : i18n
  );
  wConnection.addToConnectionLine( parent, previous, selected, lsMod );
  return wConnection;
}
 

public EnterCQLDialog(Shell parent, TransMeta transMeta, ModifyListener lsMod, 
    String title, String cql) {
  super(parent, SWT.NONE);
  
  m_parent = parent;
  m_props = PropsUI.getInstance();
  m_title = title;
  m_originalCQL = cql;
  m_transMeta = transMeta;
  m_lsMod = lsMod;
}
 

@Override
public void createControl(Composite parent) 
{
	container = new Composite(parent, SWT.NONE);
	container.setLayout(new GridLayout(2, false));

	this.sourceFileField = new FileFieldEditor("fileSelect", "[y] Source Archive:", container);
	sourceFileField.setFileExtensions( new String[]{"*.zip"} );
	// Set the starting path to the downloads folder or home dir of the current user.
	sourceFileField.setFilterPath( new File(System.getProperty("user.home")) );

	sourceFileField.getTextControl( container ).addModifyListener( new ModifyListener() 
	{
		@Override
		public void modifyText( ModifyEvent e )
		{
			// no validation just yet, as this even gets triggered:
			// (1) copy and paste: once
			// (2) manual typing: once per character entered
			// (3) per change button - selection: once
			// so because of #2: need to do validation when submitting the wizard (in it's performFinish())
			// TODO: there must be a better way, but the FocusListener does not see when the selection is done via the browse button
			
			setErrorMessage(null);
			setPageComplete(true);
			// let the wizard update it's buttons
			getWizard().getContainer().updateButtons();
		}
	} );
			
	// required to avoid an error in the system
	setControl(container);
	// if this is an optional page, we set this page to complete right away.
	setPageComplete(isOptional);
}
 

public static Spinner createFieldSpinner(FieldWidget<Integer> field, Composite parent, int style) {
	final Spinner spinner = new Spinner(parent, style);
	spinner.addModifyListener(new ModifyListener() {
		@Override
		public void modifyText(ModifyEvent e) {
			field.setFieldValueFromControl(spinner.getSelection());
		}
	});
	return spinner;
}
 

public void setModified() {
  for ( int i = 0; i < modListeners.size(); i++ ) {
    ModifyListener lsMod = modListeners.get( i );
    if ( lsMod != null ) {
      Event e = new Event();
      e.widget = this;
      lsMod.modifyText( new ModifyEvent( e ) );
    }
  }
}
 

public void createControl( Composite parent ) {
  int margin = Const.MARGIN;
  int middle = props.getMiddlePct();

  // create the composite to hold the widgets
  Composite composite = new Composite( parent, SWT.NONE );
  props.setLook( composite );

  FormLayout compLayout = new FormLayout();
  compLayout.marginHeight = Const.FORM_MARGIN;
  compLayout.marginWidth = Const.FORM_MARGIN;
  composite.setLayout( compLayout );

  wlTNS = new Label( composite, SWT.RIGHT );
  wlTNS.setText( BaseMessages.getString( PKG, "CreateDatabaseWizardPageOCI.TNS.Label" ) );
  props.setLook( wlTNS );
  fdlTNS = new FormData();
  fdlTNS.left = new FormAttachment( 0, 0 );
  fdlTNS.right = new FormAttachment( middle, 0 );
  wlTNS.setLayoutData( fdlTNS );
  wTNS = new Text( composite, SWT.SINGLE | SWT.BORDER );
  props.setLook( wTNS );
  fdTNS = new FormData();
  fdTNS.left = new FormAttachment( middle, margin );
  fdTNS.right = new FormAttachment( 100, 0 );
  wTNS.setLayoutData( fdTNS );
  wTNS.addModifyListener( new ModifyListener() {
    public void modifyText( ModifyEvent arg0 ) {
      setPageComplete( false );
    }
  } );

  // set the composite as the control for this page
  setControl( composite );
}
 

public WorkingDirectoryBlock(MainModuleTab mainModuleTab) {
    this.mainModuleTab = mainModuleTab;
    this.mainModuleTab.fProjectBlock.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            //project modified
            updateLaunchConfigurationDialog();
        }
    });
}
 

private void createNameControl(Composite parent) {
	Composite name= new Composite(parent, SWT.NONE);
	name.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridLayout layout= new GridLayout(1, false);
	layout.marginHeight= 0;
	layout.marginWidth= 0;
	name.setLayout(layout);

	Label label= new Label(name, SWT.NONE);
	label.setText(RefactoringMessages.ChangeSignatureInputPage_method_name);

	final Text text= new Text(name, SWT.BORDER);
	text.setText(getChangeMethodSignatureProcessor().getMethodName());
	text.setLayoutData((new GridData(GridData.FILL_HORIZONTAL)));
	TextFieldNavigationHandler.install(text);

	if (getChangeMethodSignatureProcessor().canChangeNameAndReturnType()) {
		text.addModifyListener(new ModifyListener(){
			public void modifyText(ModifyEvent e) {
				getChangeMethodSignatureProcessor().setNewMethodName(text.getText());
				update(true);
			}
		});
	} else {
		text.setEnabled(false);
	}
}
 

@SuppressWarnings("unused")
private void createDetailsPage() {
  Composite parent = new Composite(getContainer(), SWT.NONE);
  GridLayout layout = new GridLayout();
  layout.numColumns = 3;
  layout.marginTop = 9;
  parent.setLayout(layout);

  Label nameLabel = Widgets.buildCompactLabel(parent, "Description");
  final Text name = Widgets.buildGridBoxedText(parent);

  String descr = Strings.nullToEmpty(viewInfo.getDescription());
  name.setText(descr);

  name.addModifyListener(new ModifyListener() {

    @Override
    public void modifyText(ModifyEvent e) {
      if (viewInfo != null) {
        String newDescription = name.getText();
        viewInfo.setDescription(newDescription);
        markDirty();
      }
    }
  });
  int index = addPage(parent);
  setPageText(index, "Properties");
}
 

/**
 * Add a modify listener that triggers whenever a text within this component is modified.
 */
public void addModifyListener(ModifyListener listener) {
  textModifyListeners.add(listener);
  for (Text text : texts.values()) {
    text.addModifyListener(listener);
  }
}
 

/**
 * Creates custom control for user-defined query text.
 */
private Control createPageControl( Composite parent )
{
    Composite composite = new Composite( parent, SWT.NONE );
    composite.setLayout( new GridLayout( 1, false ) );
    GridData gridData = new GridData( GridData.HORIZONTAL_ALIGN_FILL
            | GridData.VERTICAL_ALIGN_FILL );

    composite.setLayoutData( gridData );

    Label fieldLabel = new Label( composite, SWT.NONE );
    fieldLabel.setText( "&Query Text:" );

    m_queryTextField = new Text( composite, SWT.BORDER
            | SWT.V_SCROLL | SWT.H_SCROLL );
    GridData data = new GridData( GridData.FILL_HORIZONTAL );
    data.heightHint = 100;
    m_queryTextField.setLayoutData( data );
    m_queryTextField.addModifyListener( new ModifyListener( )
    {
        public void modifyText( ModifyEvent e )
        {
            validateData();
        }
    } );

    setPageComplete( false );
    return composite;
}
 

protected void createContents_Text(Composite topControl) {
	text = createText(topControl);
	text.addModifyListener(new ModifyListener() {
		@Override
		public void modifyText(ModifyEvent evt) {
			setFieldValueFromControl(text.getText());
			
			handleFieldValueAndControlChanged();
		}
	});
}
 

@Override
protected Control createDialogArea(Composite parent) {
    // create composite
    Composite composite = (Composite) super.createDialogArea(parent);
    // create message
    if (message != null) {
        Label label = new Label(composite, SWT.WRAP);
        label.setText(message);
        GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL |
                                     GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        label.setLayoutData(data);
        label.setFont(parent.getFont());
    }
    combo = new Combo(composite, SWT.NONE);
    combo.setItems(choices);
    combo.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
    combo.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            validateInput();
        }
    });
    errorMessageText = new Text(composite, SWT.READ_ONLY | SWT.WRAP);
    errorMessageText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
    errorMessageText.setBackground(errorMessageText.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    // Set the error message text
    // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=66292
    setErrorMessage(errorMessage);

    applyDialogFont(composite);
    return composite;
}
 

@Override
public Control createControl(Composite parent) {
  textQuantity = new Text(parent, SWT.BORDER);
  textQuantity.setText("0");
  textQuantity.addModifyListener(new ModifyListener() {

    @Override
    public void modifyText(ModifyEvent e) {
      requestVerification();
    }
  });
  return textQuantity;
}
 

protected Control createDialogArea( Composite parent )
{
	Composite composite = (Composite) super.createDialogArea( parent );

	Composite container = new Composite( composite, SWT.NONE );
	GridLayout layout = new GridLayout( );
	layout.numColumns = 3;
	layout.verticalSpacing = 10;
	container.setLayout( layout );

	new Label( container, SWT.NONE ).setText( Messages.getString( "ExpressionEditor.Label.Expression" ) ); //$NON-NLS-1$
	exprText = new Text( container, SWT.BORDER | SWT.MULTI );
	GridData gd = new GridData( );
	gd.widthHint = 200;
	gd.heightHint = exprText.computeSize( SWT.DEFAULT, SWT.DEFAULT ).y
			- exprText.getBorderWidth( )
			* 2;
	exprText.setLayoutData( gd );
	exprText.addModifyListener( new ModifyListener( ) {

		public void modifyText( ModifyEvent e )
		{
			checkStatus( );
		}

	} );

	ExpressionButtonUtil.createExpressionButton( container,
			exprText,
			provider,
			contextObject,
			allowConstant,
			SWT.PUSH );

	ExpressionButtonUtil.initExpressionButtonControl( exprText, expression );

	UIUtil.bindHelp( parent, IHelpContextIds.EXPRESSION_EDITOR_ID );

	return composite;
}
 

public static void addModifyListener(final Text text, final AbstractDialog dialog) {
    text.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            dialog.validate();
        }
    });
}