eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/element/AbstractUriWithExceptionLabelElement.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.ui.element;
  12
  13 import org.eclipse.jface.resource.JFaceResources;
  14 import org.eclipse.swt.SWT;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Display;
  17 import org.eclipse.swt.widgets.Label;
  18 import org.eclipse.ui.forms.widgets.TableWrapLayout;
  19
  20 import eu.etaxonomy.taxeditor.Messages;
  21
  22 /**
  23  *
  24  * @author pplitzner
  25  * @date Sep 21, 2015
  26  *
  27  */
  28 public abstract class AbstractUriWithExceptionLabelElement <T> extends TextWithLabelElement {
  29
  30     protected Label labelException;
  31
  32         protected AbstractUriWithExceptionLabelElement(CdmFormFactory formFactory,
  33                         ICdmFormElement parentElement, String labelString,
  34                         T initialObject, Integer textHeight, int style) {
  35                 super(formFactory, parentElement, false);
  36
  37         init(formFactory, labelString, initialObject, textHeight, style);
  38     }
  39
  40     protected void init(CdmFormFactory formFactory, String labelString, T initialObject, Integer textHeight, int style) {
  41         //label
  42         initLabel(formFactory, labelString, false, getLayoutComposite());
  43
  44         //uri text
  45         initText(formFactory, null, textHeight, null, false, style, getLayoutComposite());
  46
  47         //exceptionLabel
  48         initExceptionLabel(getLayoutComposite(), formFactory, initialObject);
  49     }
  50
  51     protected void initExceptionLabel(Composite parent, CdmFormFactory formFactory, T initialObject) {
  52         labelException = formFactory.createLabel(parent, "", SWT.WRAP); //$NON-NLS-1$
  53                 int numColumns = AbstractFormSection.DEFAULT_NUM_COLUMNS;
  54                 if(parent.getLayout() instanceof TableWrapLayout){
  55                     numColumns = ((TableWrapLayout)parent.getLayout()).numColumns;
  56                 }
  57         labelException.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(numColumns, 1));
  58                 addControl(labelException);
  59                 setParsedText(initialObject);
  60     }
  61
  62
  63     public abstract void setParsedText(T object);
  64
  65     protected abstract T getParsedText() throws Exception;
  66
  67     public T parseText(){
  68         try {
  69             labelException.setFont(JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT));
  70             labelException.setForeground(getPersistentBackground());
  71             labelException.setText(""); //$NON-NLS-1$
  72             return getParsedText();
  73         } catch (Exception e) {
  74             labelException.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT));
  75             labelException.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
  76             labelException.setText(Messages.UriWithLabelElement_URL_NOT_SAVED+e.getLocalizedMessage());
  77             return null;
  78         }
  79     }
  80
  81 }