swt/org.argeo.cms.swt/src/org/argeo/cms/swt/widgets/EditableImage.java

   1 package org.argeo.cms.swt.widgets;
   2
   3 import org.argeo.api.cms.CmsLog;
   4 import org.argeo.api.cms.ux.Cms2DSize;
   5 import org.argeo.cms.swt.CmsSwtUtils;
   6 import org.argeo.cms.ux.AbstractImageManager;
   7 import org.argeo.cms.ux.CmsUxUtils;
   8 import org.eclipse.swt.graphics.Point;
   9 import org.eclipse.swt.widgets.Composite;
  10 import org.eclipse.swt.widgets.Control;
  11 import org.eclipse.swt.widgets.Label;
  12 import org.eclipse.swt.widgets.Text;
  13
  14 /** A stylable and editable image. */
  15 @Deprecated
  16 public abstract class EditableImage extends StyledControl {
  17         private static final long serialVersionUID = -5689145523114022890L;
  18         private final static CmsLog log = CmsLog.getLog(EditableImage.class);
  19
  20         private Cms2DSize preferredImageSize;
  21         private Boolean loaded = false;
  22
  23         public EditableImage(Composite parent, int swtStyle) {
  24                 super(parent, swtStyle);
  25         }
  26
  27         public EditableImage(Composite parent, int swtStyle, Cms2DSize preferredImageSize) {
  28                 super(parent, swtStyle);
  29                 this.preferredImageSize = preferredImageSize;
  30         }
  31
  32         @Override
  33         protected void setContainerLayoutData(Composite composite) {
  34                 // composite.setLayoutData(fillWidth());
  35         }
  36
  37         @Override
  38         protected void setControlLayoutData(Control control) {
  39                 // control.setLayoutData(fillWidth());
  40         }
  41
  42         /** To be overriden. */
  43         protected String createImgTag() {
  44                 return noImg(preferredImageSize != null ? preferredImageSize : new Cms2DSize(getSize().x, getSize().y));
  45         }
  46
  47         protected Label createLabel(Composite box, String style) {
  48                 Label lbl = new Label(box, getStyle());
  49                 // lbl.setLayoutData(CmsUiUtils.fillWidth());
  50                 CmsSwtUtils.markup(lbl);
  51                 CmsSwtUtils.style(lbl, style);
  52                 if (mouseListener != null)
  53                         lbl.addMouseListener(mouseListener);
  54                 load(lbl);
  55                 return lbl;
  56         }
  57
  58         /** To be overriden. */
  59         protected synchronized Boolean load(Control control) {
  60                 String imgTag;
  61                 try {
  62                         imgTag = createImgTag();
  63                 } catch (Exception e) {
  64                         // throw new CmsException("Cannot retrieve image", e);
  65                         log.error("Cannot retrieve image", e);
  66                         imgTag = noImg(preferredImageSize);
  67                         loaded = false;
  68                 }
  69
  70                 if (imgTag == null) {
  71                         loaded = false;
  72                         imgTag = noImg(preferredImageSize);
  73                 } else
  74                         loaded = true;
  75                 if (control != null) {
  76                         ((Label) control).setText(imgTag);
  77                         control.setSize(
  78                                         preferredImageSize != null ? new Point(preferredImageSize.width(), preferredImageSize.height())
  79                                                         : getSize());
  80                 } else {
  81                         loaded = false;
  82                 }
  83                 getParent().layout();
  84                 return loaded;
  85         }
  86
  87         public void setPreferredSize(Cms2DSize size) {
  88                 this.preferredImageSize = size;
  89                 if (!loaded) {
  90                         load((Label) getControl());
  91                 }
  92         }
  93
  94         protected Text createText(Composite box, String style) {
  95                 Text text = new Text(box, getStyle());
  96                 CmsSwtUtils.style(text, style);
  97                 return text;
  98         }
  99
 100         public Cms2DSize getPreferredImageSize() {
 101                 return preferredImageSize;
 102         }
 103
 104         public static String noImg(Cms2DSize size) {
 105 //              ResourceManager rm = RWT.getResourceManager();
 106 //              String noImgPath=rm.getLocation(AbstractImageManager.NO_IMAGE);
 107                 // FIXME load it via package service
 108                 String noImgPath = "";
 109                 return CmsUxUtils.img(noImgPath, size);
 110         }
 111
 112         public static String noImg() {
 113                 return noImg(AbstractImageManager.NO_IMAGE_SIZE);
 114         }
 115
 116 }