Java 类org.eclipse.xtext.ui.editor.tasks.dialogfields.IDialogFieldListener 实例源码

private IDialogFieldListener getProjectValueListener() {
  return new IDialogFieldListener() {
    public void dialogFieldChanged(final DialogField field) {
      projectNameStatus = validator.checkProjectName(getProjectName());
      handleFieldChanged(field.toString());
    }
  };
}

/** copied from PropertyAndPreferencePage */
@Override
protected Label createDescriptionLabel(Composite parent) {
    parentComposite = parent;
    if (isProjectPreferencePage()) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setFont(parent.getFont());
        GridLayout layout = new GridLayout();
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.numColumns = 2;
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        IDialogFieldListener listener = new IDialogFieldListener() {
            @Override
            public void dialogFieldChanged(DialogField dialogField) {
                boolean enabled = ((SelectionButtonDialogField) dialogField).isSelected();
                enableProjectSpecificSettings(enabled);
                projectSpecificChanged = true;

                if (enabled && getData() != null) {
                    applyData(getData());
                }
            }
        };

        useProjectSettings = new SelectionButtonDialogField(SWT.CHECK);
        useProjectSettings.setDialogFieldListener(listener);
        useProjectSettings
                .setLabelText(org.eclipse.xtext.ui.preferences.Messages.PropertyAndPreferencePage_useprojectsettings_label);
        useProjectSettings.doFillIntoGrid(composite, 1);
        LayoutUtil.setHorizontalGrabbing(useProjectSettings.getSelectionButton(null));

        if (offerLink()) {
            changeWorkspaceSettings = createLink(composite,
                    org.eclipse.xtext.ui.preferences.Messages.PropertyAndPreferencePage_useworkspacesettings_change);
            changeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false));
        } else {
            LayoutUtil.setHorizontalSpan(useProjectSettings.getSelectionButton(null), 2);
        }

        Label horizontalLine = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
        horizontalLine.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, 2, 1));
        horizontalLine.setFont(composite.getFont());
    } else if (supportsProjectSpecificOptions() && offerLink()) {
        changeWorkspaceSettings = createLink(
                parent,
                org.eclipse.xtext.ui.preferences.Messages.PropertyAndPreferencePage_showprojectspecificsettings_label);
        changeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, true, false));
    }

    return super.createDescriptionLabel(parent);
}

@Override
protected Label createDescriptionLabel(Composite parent) {
    parentComposite = parent;
    if (isProjectPreferencePage()) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setFont(parent.getFont());
        GridLayout layout = new GridLayout();
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.numColumns = 2;
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        IDialogFieldListener listener = new IDialogFieldListener() {
            public void dialogFieldChanged(DialogField field) {
                boolean enabled = ((SelectionButtonDialogField) field).isSelected();
                enableProjectSpecificSettings(enabled);

                if (enabled && getData() != null) {
                    applyData(getData());
                }
            }
        };

        useProjectSettings = new SelectionButtonDialogField(SWT.CHECK);
        useProjectSettings.setDialogFieldListener(listener);
        useProjectSettings.setLabelText(Messages.PropertyAndPreferencePage_useprojectsettings_label);
        useProjectSettings.doFillIntoGrid(composite, 1);
        LayoutUtil.setHorizontalGrabbing(useProjectSettings.getSelectionButton(null));

        if (offerLink()) {
            changeWorkspaceSettings = createLink(composite,
                    Messages.PropertyAndPreferencePage_useworkspacesettings_change);
            changeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false));
        } else {
            LayoutUtil.setHorizontalSpan(useProjectSettings.getSelectionButton(null), 2);
        }

        Label horizontalLine = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
        horizontalLine.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, 2, 1));
        horizontalLine.setFont(composite.getFont());
    } else if (supportsProjectSpecificOptions() && offerLink()) {
        changeWorkspaceSettings = createLink(parent,
                Messages.PropertyAndPreferencePage_showprojectspecificsettings_label);
        changeWorkspaceSettings.setLayoutData(new GridData(SWT.END, SWT.CENTER, true, false));
    }

    return super.createDescriptionLabel(parent);
}