X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=jcr%2Forg.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fwidgets%2FImg.java;fp=jcr%2Forg.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fwidgets%2FImg.java;h=3a4a60c9ff5ec6d2841f55f1d769ec4debd920be;hb=8282011b0e20e80704b209ad55fa9fb132e16280;hp=0000000000000000000000000000000000000000;hpb=633a8acd189cc22f06944d278879601189be1bc8;p=lgpl%2Fargeo-commons.git

diff --git a/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/Img.java b/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/Img.java
new file mode 100644
index 000000000..3a4a60c9f
--- /dev/null
+++ b/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/widgets/Img.java
@@ -0,0 +1,155 @@
+package org.argeo.cms.ui.widgets;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.argeo.api.cms.Cms2DSize;
+import org.argeo.api.cms.CmsImageManager;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.ui.internal.JcrFileUploadReceiver;
+import org.argeo.cms.ui.viewers.NodePart;
+import org.argeo.cms.ui.viewers.Section;
+import org.argeo.cms.ui.viewers.SectionPart;
+import org.argeo.jcr.Jcr;
+import org.argeo.jcr.JcrException;
+import org.eclipse.rap.fileupload.FileUploadHandler;
+import org.eclipse.rap.fileupload.FileUploadListener;
+import org.eclipse.rap.fileupload.FileUploadReceiver;
+import org.eclipse.rap.rwt.service.ServerPushSession;
+import org.eclipse.rap.rwt.widgets.FileUpload;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/** An image within the Argeo Text framework */
+public class Img extends EditableImage implements SectionPart, NodePart {
+	private static final long serialVersionUID = 6233572783968188476L;
+
+	private final Section section;
+
+	private final CmsImageManager<Control, Node> imageManager;
+	private FileUploadHandler currentUploadHandler = null;
+	private FileUploadListener fileUploadListener;
+
+	public Img(Composite parent, int swtStyle, Node imgNode, Cms2DSize preferredImageSize) throws RepositoryException {
+		this(Section.findSection(parent), parent, swtStyle, imgNode, preferredImageSize, null);
+		setStyle(TextStyles.TEXT_IMAGE);
+	}
+
+	public Img(Composite parent, int swtStyle, Node imgNode) throws RepositoryException {
+		this(Section.findSection(parent), parent, swtStyle, imgNode, null, null);
+		setStyle(TextStyles.TEXT_IMAGE);
+	}
+
+	public Img(Composite parent, int swtStyle, Node imgNode, CmsImageManager<Control, Node> imageManager)
+			throws RepositoryException {
+		this(Section.findSection(parent), parent, swtStyle, imgNode, null, imageManager);
+		setStyle(TextStyles.TEXT_IMAGE);
+	}
+
+	Img(Section section, Composite parent, int swtStyle, Node imgNode, Cms2DSize preferredImageSize,
+			CmsImageManager<Control, Node> imageManager) throws RepositoryException {
+		super(parent, swtStyle, imgNode, false, preferredImageSize);
+		this.section = section;
+		this.imageManager = imageManager != null ? imageManager
+				: (CmsImageManager<Control, Node>) CmsSwtUtils.getCmsView(section).getImageManager();
+		CmsSwtUtils.style(this, TextStyles.TEXT_IMG);
+	}
+
+	@Override
+	protected Control createControl(Composite box, String style) {
+		if (isEditing()) {
+			try {
+				return createImageChooser(box, style);
+			} catch (RepositoryException e) {
+				throw new JcrException("Cannot create image chooser", e);
+			}
+		} else {
+			return createLabel(box, style);
+		}
+	}
+
+	@Override
+	public synchronized void stopEditing() {
+		super.stopEditing();
+		fileUploadListener = null;
+	}
+
+	@Override
+	protected synchronized Boolean load(Control lbl) {
+		Node imgNode = getNode();
+		boolean loaded = imageManager.load(imgNode, lbl, getPreferredImageSize());
+		// getParent().layout();
+		return loaded;
+	}
+
+	protected Node getUploadFolder() {
+		return Jcr.getParent(getNode());
+	}
+
+	protected String getUploadName() {
+		Node node = getNode();
+		return Jcr.getName(node) + '[' + Jcr.getIndex(node) + ']';
+	}
+
+	protected CmsImageManager<Control, Node> getImageManager() {
+		return imageManager;
+	}
+
+	protected Control createImageChooser(Composite box, String style) throws RepositoryException {
+		JcrFileUploadReceiver receiver = new JcrFileUploadReceiver(this, getUploadFolder(), getUploadName(),
+				imageManager);
+		if (currentUploadHandler != null)
+			currentUploadHandler.dispose();
+		currentUploadHandler = prepareUpload(receiver);
+		final ServerPushSession pushSession = new ServerPushSession();
+		final FileUpload fileUpload = new FileUpload(box, SWT.NONE);
+		CmsSwtUtils.style(fileUpload, style);
+		fileUpload.addSelectionListener(new SelectionAdapter() {
+			private static final long serialVersionUID = -9158471843941668562L;
+
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				pushSession.start();
+				fileUpload.submit(currentUploadHandler.getUploadUrl());
+			}
+		});
+		return fileUpload;
+	}
+
+	protected FileUploadHandler prepareUpload(FileUploadReceiver receiver) {
+		final FileUploadHandler uploadHandler = new FileUploadHandler(receiver);
+		if (fileUploadListener != null)
+			uploadHandler.addUploadListener(fileUploadListener);
+		return uploadHandler;
+	}
+
+	@Override
+	public Section getSection() {
+		return section;
+	}
+
+	public void setFileUploadListener(FileUploadListener fileUploadListener) {
+		this.fileUploadListener = fileUploadListener;
+		if (currentUploadHandler != null)
+			currentUploadHandler.addUploadListener(fileUploadListener);
+	}
+
+	@Override
+	public Node getItem() throws RepositoryException {
+		return getNode();
+	}
+
+	@Override
+	public String getPartId() {
+		return getNodeId();
+	}
+
+	@Override
+	public String toString() {
+		return "Img #" + getPartId();
+	}
+
+}