swt/org.argeo.cms.swt/src/org/argeo/cms/swt/acr/Img.java

   1 package org.argeo.cms.swt.acr;
   2
   3 import org.argeo.api.acr.Content;
   4 import org.argeo.api.acr.NamespaceUtils;
   5 import org.argeo.api.acr.spi.ProvidedContent;
   6 import org.argeo.api.cms.ux.Cms2DSize;
   7 import org.argeo.api.cms.ux.CmsImageManager;
   8 import org.argeo.cms.swt.CmsSwtUtils;
   9 import org.argeo.cms.swt.widgets.EditableImage;
  10 import org.argeo.cms.ux.acr.ContentPart;
  11 import org.argeo.eclipse.ui.specific.CmsFileUpload;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.events.SelectionAdapter;
  14 import org.eclipse.swt.events.SelectionEvent;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.Control;
  17
  18 /** An image within the Argeo Text framework */
  19 public class Img extends EditableImage implements SwtSectionPart, ContentPart {
  20         private static final long serialVersionUID = 6233572783968188476L;
  21
  22         private final SwtSection section;
  23
  24         private final CmsImageManager<Control, Content> imageManager;
  25 //      private FileUploadHandler currentUploadHandler = null;
  26 //      private FileUploadListener fileUploadListener;
  27
  28         public Img(Composite parent, int swtStyle, Content imgNode, Cms2DSize preferredImageSize) {
  29                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, preferredImageSize, null);
  30 //              setStyle(TextStyles.TEXT_IMAGE);
  31         }
  32
  33         public Img(Composite parent, int swtStyle, Content imgNode) {
  34                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, null, null);
  35 //              setStyle(TextStyles.TEXT_IMAGE);
  36         }
  37
  38         public Img(Composite parent, int swtStyle, Content imgNode, CmsImageManager<Control, Content> imageManager) {
  39                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, null, imageManager);
  40 //              setStyle(TextStyles.TEXT_IMAGE);
  41         }
  42
  43         Img(SwtSection section, Composite parent, int swtStyle, Content imgNode, Cms2DSize preferredImageSize,
  44                         CmsImageManager<Control, Content> imageManager) {
  45                 super(parent, swtStyle, preferredImageSize);
  46                 this.section = section;
  47                 this.imageManager = imageManager != null ? imageManager
  48                                 : (CmsImageManager<Control, Content>) CmsSwtUtils.getCmsView(section).getImageManager();
  49 //              CmsSwtUtils.style(this, TextStyles.TEXT_IMG);
  50                 setData(imgNode);
  51         }
  52
  53         @Override
  54         protected Control createControl(Composite box, String style) {
  55                 if (isEditing()) {
  56                         return createImageChooser(box, style);
  57                 } else {
  58                         return createLabel(box, style);
  59                 }
  60         }
  61
  62         @Override
  63         public synchronized void stopEditing() {
  64                 super.stopEditing();
  65 //              fileUploadListener = null;
  66         }
  67
  68         @Override
  69         protected synchronized Boolean load(Control lbl) {
  70                 Content imgNode = getContent();
  71                 boolean loaded = imageManager.load(imgNode, lbl, getPreferredImageSize());
  72                 // getParent().layout();
  73                 return loaded;
  74         }
  75
  76         protected Content getUploadFolder() {
  77                 return getContent().getParent();
  78         }
  79
  80         protected String getUploadName() {
  81                 Content node = getContent();
  82                 // TODO centralise pattern?
  83                 return NamespaceUtils.toPrefixedName(node.getName()) + '[' + node.getSiblingIndex() + ']';
  84         }
  85
  86         protected CmsImageManager<Control, Content> getImageManager() {
  87                 return imageManager;
  88         }
  89
  90         protected Control createImageChooser(Composite box, String style) {
  91 //              JcrFileUploadReceiver receiver = new JcrFileUploadReceiver(this, getUploadFolder(), getUploadName(),
  92 //                              imageManager);
  93 //              if (currentUploadHandler != null)
  94 //                      currentUploadHandler.dispose();
  95 //              currentUploadHandler = prepareUpload(receiver);
  96 //              final ServerPushSession pushSession = new ServerPushSession();
  97                 final CmsFileUpload fileUpload = new CmsFileUpload(box, SWT.NONE);
  98                 CmsSwtUtils.style(fileUpload, style);
  99                 fileUpload.addSelectionListener(new SelectionAdapter() {
 100                         private static final long serialVersionUID = -9158471843941668562L;
 101
 102                         @Override
 103                         public void widgetSelected(SelectionEvent e) {
 104 //                              pushSession.start();
 105 //                              fileUpload.submit(currentUploadHandler.getUploadUrl());
 106                         }
 107                 });
 108                 return fileUpload;
 109         }
 110
 111 //      protected FileUploadHandler prepareUpload(FileUploadReceiver receiver) {
 112 //              final FileUploadHandler uploadHandler = new FileUploadHandler(receiver);
 113 //              if (fileUploadListener != null)
 114 //                      uploadHandler.addUploadListener(fileUploadListener);
 115 //              return uploadHandler;
 116 //      }
 117
 118         @Override
 119         public SwtSection getSection() {
 120                 return section;
 121         }
 122
 123 //      public void setFileUploadListener(FileUploadListener fileUploadListener) {
 124 //              this.fileUploadListener = fileUploadListener;
 125 //              if (currentUploadHandler != null)
 126 //                      currentUploadHandler.addUploadListener(fileUploadListener);
 127 //      }
 128
 129         @Override
 130         public Content getContent() {
 131                 return (Content) getData();
 132         }
 133
 134         @Override
 135         public String getPartId() {
 136                 return ((ProvidedContent) getContent()).getSessionLocalId();
 137         }
 138
 139         @Override
 140         public String toString() {
 141                 return "Img #" + getPartId();
 142         }
 143
 144 }