Examples of org.eclipse.jface.fieldassist.ControlDecoration

org.eclipse.jface.fieldassist.ControlDecoration
ControlDecoration renders an image decoration near a control. It allows clients to specify an image and a position for the image relative to the control. A ControlDecoration may be assigned description text, which can optionally be shown when the user hovers over the image. Clients can decorate any kind of control.
Decoration images always appear on the left or right side of the field, never above or below it. Decorations can be positioned at the top, center, or bottom of either side of the control. Future implementations may provide additional positioning options for decorations.
ControlDecoration renders the image adjacent to the specified (already created) control, with no guarantee that it won't be clipped or otherwise obscured or overlapped by adjacent controls, including another ControlDecoration placed in the same location. Clients should ensure that there is adequate space adjacent to the control to show the decoration properly.
Clients using ControlDecoration should typically ensure that enough margin space is reserved for a decoration by altering the layout data margins, although this is not assumed or required by the ControlDecoration implementation.
This class is intended to be instantiated and used by clients. It is not intended to be subclassed by clients. @since 3.3 @see FieldDecoration @see FieldDecorationRegistry @noextend This class is not intended to be subclassed by clients.

  private void setupPasswordText(Composite paramComposite, KeyListener paramKeyListener) {
    this.passwordLData.width = 176;
    this.passwordLData.height = 19;
    this.passwordLData.top = new FormAttachment(0, 1000, getDistanceFromTop());
    this.password = new Text(paramComposite, 4196352);
    ControlDecoration localControlDecoration = new ControlDecoration(this.password, 131200);
    localControlDecoration.setDescriptionText(requiredDecorator.getDescription());
    localControlDecoration.setImage(requiredDecorator.getImage());
    this.password.setLayoutData(this.passwordLData);
    this.password.addKeyListener(paramKeyListener);
    if (this.userid.getText().length() > 0)
      this.password.forceFocus();
  }

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  private void setupUserIDText(Composite paramComposite, KeyListener paramKeyListener) {
    this.userNameLData.width = 176;
    this.userNameLData.height = 19;
    this.userNameLData.top = new FormAttachment(0, 1000, getDistanceFromTop());
    this.userid = new Text(paramComposite, 2048);
    ControlDecoration localControlDecoration = new ControlDecoration(this.userid, 131200);
    localControlDecoration.setDescriptionText(requiredDecorator.getDescription());
    localControlDecoration.setImage(requiredDecorator.getImage());
    this.userid.setLayoutData(this.userNameLData);
    this.userid.setDragDetect(false);
    this.userid.addKeyListener(paramKeyListener);
  }

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        fControlDecoration= null;
      }
      
    } else {
      if (fControlDecoration == null) {
        fControlDecoration= new ControlDecoration(getControl(), (SWT.TOP | SWT.LEFT));
        getControl().addDisposeListener(new DisposeListener() {
          public void widgetDisposed(DisposeEvent e) {
            if (fCueLabelProvider != null) {
              fCueLabelProvider.dispose();
              fCueLabelProvider= null;

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    addRuleModificationListeners();
  }


  private void addRuleModificationListeners() {
    final ControlDecoration badSeperatorNotification = new ControlDecoration(seperatorToken, SWT.RIGHT | SWT.TOP);
    badSeperatorNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
    badSeperatorNotification.hide();
    final ControlDecoration badStartFromNotification = new ControlDecoration(startFrom, SWT.RIGHT | SWT.TOP);
    badStartFromNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
    badStartFromNotification.hide();
    badStartFromNotification.setDescriptionText("Start from must be numeric");


    ModifyListener numDigitsListener = new ModifyListener() {
      @Override
      public void modifyText(ModifyEvent e) {
        inputRule.setDigitsDisplayed(numDigitsSpinner.getSelection());
        fireRuleChanged(inputRule);
      }
    };
    numDigitsSpinner.addModifyListener(numDigitsListener);
    // TODO: Add support for starting from RomanNumeralValues or
    // Alphabetical values
    ModifyListener startFromModifiedListener = new ModifyListener() {
      @Override
      public void modifyText(ModifyEvent e) {
        boolean isGood = true;
        try {
          Integer.parseInt(startFrom.getText());
        } catch (NumberFormatException f) {
          isGood = false;
        }
        if (isGood) {
          badStartFromNotification.hide();
          inputRule.setStartFrom(Integer.parseInt(startFrom.getText()));
          fireRuleChanged(inputRule);
        } else {
          badStartFromNotification.show();
        }
      }
    };
    startFrom.addModifyListener(startFromModifiedListener);
    VerifyListener seperatorTokenVerifyListener = new VerifyListener() {

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          browserContentProvider.removeFilter(renamer.changingFileFilter);
        }
        browserTableViewer.refresh(true);
      }
    });
    final ControlDecoration lessThanZeroListNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
    lessThanZeroListNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
    lessThanZeroListNotification.hide();


    final ControlDecoration namingConflictNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
    namingConflictNotification
        .setDescriptionText("One or more files would have been renamed to the same thing. \nModify your inputs to avoid this happening again.");
    namingConflictNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
    namingConflictNotification.hide();


    final ControlDecoration badRegexNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
    badRegexNotification.setDescriptionText("The regular expression you entered is invalid. Please edit it and try again");
    badRegexNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
    badRegexNotification.hide();


    final ControlDecoration ioExceptionNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
    final String ioExceptionString = "An I/O Error occurred during renaming.";


    ioExceptionNotification.setDescriptionText(ioExceptionString);
    ioExceptionNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_WARNING));
    ioExceptionNotification.hide();


    renamer.addEventListener(new EventListener() {


      @Override
      public void seeEvent(EventType eventType, File file, RenamerRule rule) {
        switch (eventType) {
        case BadRegex:
          badRegexNotification.show();
          applyButton.setEnabled(false);
          break;
        case IOException:
          ioExceptionNotification.setDescriptionText(ioExceptionString);
          ioExceptionNotification.show();
          break;
        case CouldNotRename:
          ioExceptionNotification.setDescriptionText("Could not rename <" + file.getName() + ">");
          ioExceptionNotification.show();
          break;
        case NameConflict:
          namingConflictNotification.show();
          applyButton.setEnabled(false);
          break;
        case RenamedWithNoProblems:
          namingConflictNotification.hide();
          ioExceptionNotification.hide();
          badRegexNotification.hide();
          lessThanZeroListNotification.hide();
          applyButton.setEnabled(true);
          break;
        case LessThanOneRomanList:

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                {
                    add( availableObjectClassesViewer.getSelection() );
                }
            }
        } );
        ControlDecoration availableObjectClassesInstantSearchDecoration = new ControlDecoration(
            availableObjectClassesInstantSearch, SWT.TOP | SWT.LEFT, composite );
        availableObjectClassesInstantSearchDecoration.setDescriptionText( Messages
            .getString( "NewEntryObjectclassWizardPage.FilterDescription" ) ); //$NON-NLS-1$
        availableObjectClassesInstantSearchDecoration.setImage( FieldDecorationRegistry.getDefault()
            .getFieldDecoration( FieldDecorationRegistry.DEC_CONTENT_PROPOSAL ).getImage() );
        Button reloadButton = new Button( availableObjectClassesInstantSearchComposite, SWT.PUSH | SWT.FLAT );
        reloadButton.setToolTipText( Messages.getString( "NewEntryObjectclassWizardPage.ReloadSchema" ) ); //$NON-NLS-1$
        reloadButton.setImage( BrowserCommonActivator.getDefault().getImage( BrowserCommonConstants.IMG_REFRESH ) );
        reloadButton.addSelectionListener( new SelectionAdapter()

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   * @param control the control to decorate
   * @param message the message to show
   * @return the decorator
   */
  public static ControlDecoration createErrorDecorator(Control control, String message) {
    ControlDecoration controlDecoration = new ControlDecoration(control,
        SWT.RIGHT | SWT.TOP);
    controlDecoration.setDescriptionText(message);
    FieldDecoration fieldDecoration = FieldDecorationRegistry.getDefault()
        .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
    controlDecoration.setImage(fieldDecoration.getImage());
    controlDecoration.hide();
    return controlDecoration;
  }

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   * @param control the control to decorate
   * @param message the message to show
   * @return the decorator
   */
  public static ControlDecoration createContentProposalDecorator(Control control, String message) {
    ControlDecoration controlDecoration = new ControlDecoration(control,
        SWT.LEFT | SWT.TOP);
    controlDecoration.setDescriptionText(message);
    FieldDecoration fieldDecoration = FieldDecorationRegistry.getDefault()
        .getFieldDecoration(FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);
    controlDecoration.setImage(fieldDecoration.getImage());
    controlDecoration.setShowOnlyOnFocus(false);
    return controlDecoration;
  }

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  private void createTypeEntry(Composite client, FormToolkit toolkit) {
    typeEntry = new FormEntry(client, toolkit, "Type", null, false);
    typeEntry.setValue(composerPackage.getType(), true);
    
    ControlDecoration decoration = new ControlDecoration(typeEntry.getText(), SWT.TOP | SWT.LEFT);
    
        FieldDecoration indicator = FieldDecorationRegistry.getDefault().
                getFieldDecoration(FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);


        decoration.setImage(indicator.getImage());
        decoration.setDescriptionText(indicator.getDescription() + "(Ctrl+Space)");
        decoration.setShowOnlyOnFocus(true);
    
    new AutoCompleteField(typeEntry.getText(), new TextContentAdapter(), ComposerConstants.TYPES);
    
    
    typeEntry.addFormEntryListener(new FormEntryAdapter() {

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  }
  
  private void createLicenseEntry(Composite client, FormToolkit toolkit) {
    licenseEntry = new FormEntry(client, toolkit, "License", null, false);
    
    ControlDecoration decoration = new ControlDecoration(licenseEntry.getText(), SWT.TOP | SWT.LEFT);
    
        FieldDecoration indicator = FieldDecorationRegistry.getDefault().
                getFieldDecoration(FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);


        decoration.setImage(indicator.getImage());
        decoration.setDescriptionText(indicator.getDescription() + "(Ctrl+Space)");
        decoration.setShowOnlyOnFocus(true);
    
    new AutoCompleteField(licenseEntry.getText(), new LicenseContentAdapter(), ComposerConstants.LICENSES);
    
    final License2StringConverter converter = new License2StringConverter();
    licenseEntry.setValue(converter.convert(composerPackage.getLicense()), true);

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