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.api.service.IMediaService;
  21 import eu.etaxonomy.cdm.common.mediaMetaData.ImageMetaData;
  22 import eu.etaxonomy.cdm.model.media.ImageFile;
  23 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  24 import eu.etaxonomy.taxeditor.forms.AbstractFormSection;
  25 import eu.etaxonomy.taxeditor.forms.CdmFormFactory;
  26 import eu.etaxonomy.taxeditor.forms.ICdmFormElement;
  27 import eu.etaxonomy.taxeditor.forms.ImageElement;
  28 import eu.etaxonomy.taxeditor.forms.KeyValueViewerElement;
  29 import eu.etaxonomy.taxeditor.forms.NumberWithLabelElement;
  30 import eu.etaxonomy.taxeditor.store.CdmStore;
  31
  32 /**
  33  * <p>ImageFileElement class.</p>
  34  *
  35  * @author n.hoffmann
  36  * @created Mar 26, 2010
  37  * @version 1.0
  38  */
  39 public class ImageFileElement extends AbstractMediaRepresentationPartElement<ImageFile> {
  40
  41         private NumberWithLabelElement text_height;
  42         private NumberWithLabelElement text_width;
  43         private KeyValueViewerElement element_keyValue;
  44         private ImageElement element_image;
  45
  46         /**
  47          * <p>Constructor for ImageFileElement.</p>
  48          *
  49          * @param cdmFormFactory a {@link eu.etaxonomy.taxeditor.forms.CdmFormFactory} object.
  50          * @param section a {@link eu.etaxonomy.taxeditor.forms.AbstractFormSection} object.
  51          * @param element a {@link eu.etaxonomy.cdm.model.media.ImageFile} object.
  52          * @param removeListener a {@link org.eclipse.swt.events.SelectionListener} object.
  53          * @param style a int.
  54          */
  55         public ImageFileElement(CdmFormFactory cdmFormFactory,
  56                         AbstractFormSection section, ImageFile element,
  57                         SelectionListener removeListener, int style) {
  58                 super(cdmFormFactory, section, element, removeListener, style);
  59         }
  60
  61         /** {@inheritDoc} */
  62         @Override
  63         public void createControls(ICdmFormElement formElement, int style) {
  64                 super.createControls(formElement, style);
  65
  66                 text_height = formFactory.createIntegerTextWithLabelElement(formElement, "Height", null, style);
  67                 text_height.setEnabled(false);
  68                 text_width = formFactory.createIntegerTextWithLabelElement(formElement, "Width", null, style);
  69                 text_width.setEnabled(false);
  70                 element_image = formFactory.createImageElement(formElement, null, style);
  71
  72                 element_keyValue = formFactory.createKeyValueViewerElement(formElement, "Key", "Value", null);
  73         }
  74
  75         /** {@inheritDoc} */
  76         @Override
  77         public void setEntity(ImageFile entity) {
  78                 this.entity = entity;
  79                 if(entity.getUri() != null){
  80                         text_uri.setText(entity.getUri().toString());
  81                 }
  82                 if(entity.getSize() != null){
  83                         text_size.setText(FileUtils.byteCountToDisplaySize(entity.getSize()));
  84                 }
  85                 text_height.setInteger(entity.getHeight());
  86                 text_width.setInteger(entity.getWidth());
  87
  88                 showImage(entity.getUri());
  89         }
  90
  91         private void showImage(URI uri){
  92                 if(uri == null){
  93                         return;
  94                 }
  95                 try {
  96
  97                         Integer size = CdmStore.getService(IMediaService.class).getImageSize(uri, 10000);
  98
  99                         if(size != null){
 100                                 text_size.setText(FileUtils.byteCountToDisplaySize(size));
 101                                 getEntity().setSize(size);
 102                         }
 103
 104
 105                         ImageMetaData imageInfo;
 106                         try {
 107
 108                                 imageInfo = CdmStore.getService(IMediaService.class).getImageInfo(uri, 10000);
 109
 110                                 text_height.setInteger(imageInfo.getHeight());
 111                                 getEntity().setHeight(imageInfo.getHeight());
 112
 113                                 text_width.setInteger(imageInfo.getWidth());
 114                                 getEntity().setWidth(imageInfo.getWidth());
 115                                 element_keyValue.setInput(imageInfo.getMetaData());
 116
 117                                 element_image.setImageUri(uri);
 118
 119                                 element_image.loadImage(new Runnable(){
 120                                         public void run() {
 121                                                 getLayoutComposite().layout();
 122                                                 EditorUtil.reflowDetailsViewer();
 123                                         }
 124                                 });
 125
 126                         } catch (IOException e) {
 127                                 EditorUtil.error(getClass(), e);
 128                         }
 129                 }  catch (Exception e) {
 130                         EditorUtil.error(getClass(), "Image could not be shown: ", e);
 131                 }
 132         }
 133
 134         /*
 135          * (non-Javadoc)
 136          * @see eu.etaxonomy.taxeditor.section.AbstractEntityCollectionElement#handleEvent(java.lang.Object)
 137          */
 138         /** {@inheritDoc} */
 139         @Override
 140         public void handleEvent(Object eventSource) {
 141                 if(eventSource == text_uri){
 142                         try {
 143                                 getEntity().setUri(new URI(text_uri.getText()));
 144                         } catch (URISyntaxException e) {
 145                                 EditorUtil.warningDialog("Could not parse URI", getClass(), e.getMessage());
 146                         }
 147                         showImage(getEntity().getUri());
 148                 }
 149         }
 150 }