taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/section/supplemental/ImageFileElement.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.section.supplemental;
  12
  13 import java.io.IOException;
  14 import java.net.URI;
  15 import java.net.URISyntaxException;
  16
  17 import org.apache.commons.io.FileUtils;
  18 import org.eclipse.swt.events.SelectionListener;
  19
  20 import eu.etaxonomy.cdm.common.mediaMetaData.ImageMetaData;
  21 import eu.etaxonomy.cdm.model.media.ImageFile;
  22 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  23 import eu.etaxonomy.taxeditor.forms.AbstractFormSection;
  24 import eu.etaxonomy.taxeditor.forms.CdmFormFactory;
  25 import eu.etaxonomy.taxeditor.forms.ICdmFormElement;
  26 import eu.etaxonomy.taxeditor.forms.ImageElement;
  27 import eu.etaxonomy.taxeditor.forms.KeyValueViewerElement;
  28 import eu.etaxonomy.taxeditor.forms.NumberWithLabelElement;
  29 import eu.etaxonomy.taxeditor.store.CdmStore;
  30
  31 /**
  32  * <p>ImageFileElement class.</p>
  33  *
  34  * @author n.hoffmann
  35  * @created Mar 26, 2010
  36  * @version 1.0
  37  */
  38 public class ImageFileElement extends AbstractMediaRepresentationPartElement<ImageFile> {
  39
  40         private NumberWithLabelElement text_height;
  41         private NumberWithLabelElement text_width;
  42         private KeyValueViewerElement element_keyValue;
  43         private ImageElement element_image;
  44
  45         /**
  46          * <p>Constructor for ImageFileElement.</p>
  47          *
  48          * @param cdmFormFactory a {@link eu.etaxonomy.taxeditor.forms.CdmFormFactory} object.
  49          * @param section a {@link eu.etaxonomy.taxeditor.forms.AbstractFormSection} object.
  50          * @param element a {@link eu.etaxonomy.cdm.model.media.ImageFile} object.
  51          * @param removeListener a {@link org.eclipse.swt.events.SelectionListener} object.
  52          * @param style a int.
  53          */
  54         public ImageFileElement(CdmFormFactory cdmFormFactory,
  55                         AbstractFormSection section, ImageFile element,
  56                         SelectionListener removeListener, int style) {
  57                 super(cdmFormFactory, section, element, removeListener, style);
  58         }
  59
  60         /** {@inheritDoc} */
  61         @Override
  62         public void createControls(ICdmFormElement formElement, int style) {
  63                 super.createControls(formElement, style);
  64
  65                 text_height = formFactory.createIntegerTextWithLabelElement(formElement, "Height", null, style);
  66                 text_height.setEnabled(false);
  67                 text_width = formFactory.createIntegerTextWithLabelElement(formElement, "Width", null, style);
  68                 text_width.setEnabled(false);
  69                 element_image = formFactory.createImageElement(formElement, null, style);
  70
  71                 element_keyValue = formFactory.createKeyValueViewerElement(formElement, "Key", "Value", null);
  72         }
  73
  74         /** {@inheritDoc} */
  75         @Override
  76         public void setEntity(ImageFile entity) {
  77                 this.entity = entity;
  78                 if(entity.getUri() != null){
  79                         text_uri.setText(entity.getUri().toString());
  80                 }
  81                 if(entity.getSize() != null){
  82                         text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
  83                 }
  84                 text_height.setInteger(entity.getHeight());
  85                 text_width.setInteger(entity.getWidth());
  86
  87                 showImage(entity.getUri());
  88         }
  89
  90         private void showImage(URI uri){
  91                 if(uri == null){
  92                         return;
  93                 }
  94                 try {
  95
  96                         Integer size = CdmStore.getMediaService().getImageSize(uri, 10000);
  97
  98                         if(size != null){
  99                                 text_size.setText(FileUtils.byteCountToDisplaySize(size));
 100                                 getEntity().setSize(size);
 101                         }
 102
 103
 104                         ImageMetaData imageInfo;
 105                         try {
 106
 107                                 imageInfo = CdmStore.getMediaService().getImageInfo(uri, 10000);
 108
 109                                 text_height.setInteger(imageInfo.getHeight());
 110                                 getEntity().setHeight(imageInfo.getHeight());
 111
 112                                 text_width.setInteger(imageInfo.getWidth());
 113                                 getEntity().setWidth(imageInfo.getWidth());
 114                                 element_keyValue.setInput(imageInfo.getMetaData());
 115
 116                                 element_image.setImageUri(uri);
 117
 118                         } catch (IOException e) {
 119                                 EditorUtil.error(getClass(), e);
 120                         }
 121                 }  catch (Exception e) {
 122                         EditorUtil.error(getClass(), "Image could not be shown: ", e);
 123                 }
 124         }
 125
 126         /*
 127          * (non-Javadoc)
 128          * @see eu.etaxonomy.taxeditor.section.AbstractEntityCollectionElement#handleEvent(java.lang.Object)
 129          */
 130         /** {@inheritDoc} */
 131         @Override
 132         public void handleEvent(Object eventSource) {
 133                 if(eventSource == text_uri){
 134                         try {
 135                                 getEntity().setUri(new URI(text_uri.getText()));
 136                         } catch (URISyntaxException e) {
 137                                 EditorUtil.warningDialog("Could not parse URI", getClass(), e.getMessage());
 138                         }
 139                         showImage(getEntity().getUri());
 140                 }
 141         }
 142 }