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.ux.acr.ContentPart;
  10 import org.argeo.eclipse.ui.specific.CmsFileUpload;
  11 import org.eclipse.swt.SWT;
  12 import org.eclipse.swt.events.SelectionAdapter;
  13 import org.eclipse.swt.events.SelectionEvent;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Control;
  16 import org.eclipse.swt.widgets.Label;
  17
  18 /** An image within the Argeo Text framework */
  19 public class Img extends LinkedControl 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
  26         private Cms2DSize preferredImageSize;
  27
  28         public Img(Composite parent, int swtStyle, Content imgNode, Cms2DSize preferredImageSize) {
  29                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, preferredImageSize, null);
  30         }
  31
  32         public Img(Composite parent, int swtStyle, Content imgNode) {
  33                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, null, null);
  34         }
  35
  36         public Img(Composite parent, int swtStyle, Content imgNode, CmsImageManager<Control, Content> imageManager) {
  37                 this(SwtSection.findSection(parent), parent, swtStyle, imgNode, null, imageManager);
  38         }
  39
  40         Img(SwtSection section, Composite parent, int swtStyle, Content imgNode, Cms2DSize preferredImageSize,
  41                         CmsImageManager<Control, Content> imageManager) {
  42                 super(parent, swtStyle);
  43                 this.preferredImageSize = preferredImageSize;
  44                 this.section = section;
  45                 this.imageManager = imageManager != null ? imageManager : CmsSwtUtils.getCmsView(section).getImageManager();
  46                 setData(imgNode);
  47         }
  48
  49         @Override
  50         protected Control createControl(Composite box, String style) {
  51                 if (isEditing()) {
  52                         return createImageChooser(box, style);
  53                 } else {
  54                         return createLabel(box, style);
  55                 }
  56         }
  57
  58         protected synchronized Boolean load(Control lbl) {
  59                 Content imgNode = getContent();
  60                 boolean loaded = imageManager.load(imgNode, lbl, preferredImageSize, toUri());
  61                 return loaded;
  62         }
  63
  64         protected Label createLabel(Composite box, String style) {
  65                 Label lbl = new Label(box, getStyle());
  66                 // lbl.setLayoutData(CmsUiUtils.fillWidth());
  67                 CmsSwtUtils.markup(lbl);
  68                 CmsSwtUtils.style(lbl, style);
  69                 if (mouseListener != null)
  70                         lbl.addMouseListener(mouseListener);
  71                 load(lbl);
  72                 return lbl;
  73         }
  74
  75         protected Content getUploadFolder() {
  76                 return getContent().getParent();
  77         }
  78
  79         protected String getUploadName() {
  80                 Content node = getContent();
  81                 // TODO centralise pattern?
  82                 return NamespaceUtils.toPrefixedName(node.getName()) + '[' + node.getSiblingIndex() + ']';
  83         }
  84
  85         protected CmsImageManager<Control, Content> getImageManager() {
  86                 return imageManager;
  87         }
  88
  89         protected Control createImageChooser(Composite box, String style) {
  90 //              JcrFileUploadReceiver receiver = new JcrFileUploadReceiver(this, getUploadFolder(), getUploadName(),
  91 //                              imageManager);
  92 //              if (currentUploadHandler != null)
  93 //                      currentUploadHandler.dispose();
  94 //              currentUploadHandler = prepareUpload(receiver);
  95 //              final ServerPushSession pushSession = new ServerPushSession();
  96                 final CmsFileUpload fileUpload = new CmsFileUpload(box, SWT.NONE);
  97                 CmsSwtUtils.style(fileUpload, style);
  98                 fileUpload.addSelectionListener(new SelectionAdapter() {
  99                         private static final long serialVersionUID = -9158471843941668562L;
 100
 101                         @Override
 102                         public void widgetSelected(SelectionEvent e) {
 103 //                              pushSession.start();
 104 //                              fileUpload.submit(currentUploadHandler.getUploadUrl());
 105                         }
 106                 });
 107                 return fileUpload;
 108         }
 109
 110 //      protected FileUploadHandler prepareUpload(FileUploadReceiver receiver) {
 111 //              final FileUploadHandler uploadHandler = new FileUploadHandler(receiver);
 112 //              if (fileUploadListener != null)
 113 //                      uploadHandler.addUploadListener(fileUploadListener);
 114 //              return uploadHandler;
 115 //      }
 116
 117         @Override
 118         public SwtSection getSection() {
 119                 return section;
 120         }
 121
 122 //      public void setFileUploadListener(FileUploadListener fileUploadListener) {
 123 //              this.fileUploadListener = fileUploadListener;
 124 //              if (currentUploadHandler != null)
 125 //                      currentUploadHandler.addUploadListener(fileUploadListener);
 126 //      }
 127
 128         @Override
 129         public Content getContent() {
 130                 return (Content) getData();
 131         }
 132
 133         @Override
 134         public String getPartId() {
 135                 return ((ProvidedContent) getContent()).getSessionLocalId();
 136         }
 137
 138         @Override
 139         public String toString() {
 140                 return "Img #" + getPartId();
 141         }
 142
 143         public void setPreferredSize(Cms2DSize size) {
 144                 this.preferredImageSize = size;
 145         }
 146
 147         public Cms2DSize getPreferredImageSize() {
 148                 return preferredImageSize;
 149         }
 150
 151         public void setPreferredImageSize(Cms2DSize preferredImageSize) {
 152                 this.preferredImageSize = preferredImageSize;
 153         }
 154 }