+++ /dev/null
-package org.argeo.cms;
-
-import java.io.InputStream;
-import java.net.MalformedURLException;
-import java.net.URL;
-
-import javax.jcr.Node;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.eclipse.gemini.blueprint.context.BundleContextAware;
-import org.eclipse.rap.rwt.RWT;
-import org.eclipse.rap.rwt.service.ResourceManager;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.MouseListener;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.osgi.framework.BundleContext;
-import org.springframework.beans.factory.InitializingBean;
-
-/** A link to an internal or external location. */
-public class CmsLink implements CmsUiProvider, InitializingBean,
- BundleContextAware {
- private final static Log log = LogFactory.getLog(CmsLink.class);
-
- private String label;
- private String custom;
- private String target;
- private String image;
- private MouseListener mouseListener;
-
- private int verticalAlignment = SWT.CENTER;
-
- // internal
- //private Boolean isUrl = false;
- private Integer imageWidth, imageHeight;
-
- private BundleContext bundleContext;
-
- public CmsLink() {
- super();
- }
-
- public CmsLink(String label, String target) {
- this(label, target, null);
- }
-
- public CmsLink(String label, String target, String custom) {
- super();
- this.label = label;
- this.target = target;
- this.custom = custom;
- afterPropertiesSet();
- }
-
- @Override
- public void afterPropertiesSet() {
-// if (target != null) {
-// if (target.startsWith("/")) {
-// isUrl = true;
-// } else {
-// try {
-// new URL(target);
-// isUrl = true;
-// } catch (MalformedURLException e1) {
-// isUrl = false;
-// }
-// }
-// }
-
- if (image != null) {
- ImageData image = loadImage();
- imageWidth = image.width;
- imageHeight = image.height;
- }
- }
-
- @Override
- public Control createUi(final Composite parent, Node context) {
- Composite comp = new Composite(parent, SWT.BOTTOM);
- comp.setLayout(CmsUtils.noSpaceGridLayout());
-
- Label link = new Label(comp, SWT.NONE);
- link.setData(RWT.MARKUP_ENABLED, Boolean.TRUE);
- GridData layoutData = new GridData(SWT.CENTER, verticalAlignment, true,
- true);
- if (image != null) {
- layoutData.heightHint = imageHeight;
- if (label == null)
- layoutData.widthHint = imageWidth;
- }
-
- link.setLayoutData(layoutData);
- if (custom != null) {
- comp.setData(RWT.CUSTOM_VARIANT, custom);
- link.setData(RWT.CUSTOM_VARIANT, custom);
- } else {
- comp.setData(RWT.CUSTOM_VARIANT, CmsStyles.CMS_LINK);
- link.setData(RWT.CUSTOM_VARIANT, CmsStyles.CMS_LINK);
- }
-
- // label
- StringBuilder labelText = new StringBuilder();
- if (target != null) {
- labelText
- .append("<a style='color:inherit;text-decoration:inherit;' href=\"");
-// if (!isUrl)
-// labelText.append('#');
- labelText.append(target);
- labelText.append("\">");
- }
- if (image != null) {
- registerImageIfNeeded();
- String imageLocation = RWT.getResourceManager().getLocation(image);
- labelText.append("<img width='").append(imageWidth)
- .append("' height='").append(imageHeight)
- .append("' src=\"").append(imageLocation).append("\"/>");
-
- // final Image img = loadImage(parent.getDisplay());
- // link.setImage(img);
- // link.addDisposeListener(new DListener(img));
- }
-
- if (label != null) {
- // link.setText(label);
- labelText.append(' ').append(label);
- }
-
- if (target != null)
- labelText.append("</a>");
-
- link.setText(labelText.toString());
-
- // link.setCursor(link.getDisplay().getSystemCursor(SWT.CURSOR_HAND));
- // CmsSession cmsSession = (CmsSession) parent.getDisplay().getData(
- // CmsSession.KEY);
- if (mouseListener != null)
- link.addMouseListener(mouseListener);
-
- return comp;
- }
-
- private void registerImageIfNeeded() {
- ResourceManager resourceManager = RWT.getResourceManager();
- if (!resourceManager.isRegistered(image)) {
- URL res = getImageUrl();
- InputStream inputStream = null;
- try {
- IOUtils.closeQuietly(inputStream);
- inputStream = res.openStream();
- resourceManager.register(image, inputStream);
- if (log.isTraceEnabled())
- log.trace("Registered image " + image);
- } catch (Exception e) {
- throw new CmsException("Cannot load image " + image, e);
- } finally {
- IOUtils.closeQuietly(inputStream);
- }
- }
- }
-
- private ImageData loadImage() {
- URL url = getImageUrl();
- ImageData result = null;
- InputStream inputStream = null;
- try {
- inputStream = url.openStream();
- result = new ImageData(inputStream);
- if (log.isTraceEnabled())
- log.trace("Loaded image " + image);
- } catch (Exception e) {
- throw new CmsException("Cannot load image " + image, e);
- } finally {
- IOUtils.closeQuietly(inputStream);
- }
- return result;
- }
-
- private URL getImageUrl() {
- URL url;
- try {
- // pure URL
- url = new URL(image);
- } catch (MalformedURLException e1) {
- // in OSGi bundle
- if (bundleContext == null)
- throw new CmsException("No bundle context available");
- url = bundleContext.getBundle().getResource(image);
- }
-
- if (url == null)
- throw new CmsException("No image " + image + " available.");
-
- return url;
- }
-
- public void setLabel(String label) {
- this.label = label;
- }
-
- public void setCustom(String custom) {
- this.custom = custom;
- }
-
- public void setTarget(String target) {
- this.target = target;
- // try {
- // new URL(target);
- // isUrl = true;
- // } catch (MalformedURLException e1) {
- // isUrl = false;
- // }
- }
-
- public void setImage(String image) {
- this.image = image;
- }
-
- @Override
- public void setBundleContext(BundleContext bundleContext) {
- this.bundleContext = bundleContext;
- }
-
- public void setMouseListener(MouseListener mouseListener) {
- this.mouseListener = mouseListener;
- }
-
- public void setvAlign(String vAlign) {
- if ("bottom".equals(vAlign)) {
- verticalAlignment = SWT.BOTTOM;
- } else if ("top".equals(vAlign)) {
- verticalAlignment = SWT.TOP;
- } else if ("center".equals(vAlign)) {
- verticalAlignment = SWT.CENTER;
- } else {
- throw new CmsException("Unsupported vertical allignment " + vAlign
- + " (must be: top, bottom or center)");
- }
- }
-
- // private class MListener extends MouseAdapter {
- // private static final long serialVersionUID = 3634864186295639792L;
- //
- // @Override
- // public void mouseDown(MouseEvent e) {
- // if (e.button == 1) {
- // }
- // }
- // }
- //
- // private class DListener implements DisposeListener {
- // private static final long serialVersionUID = -3808587499269394812L;
- // private final Image img;
- //
- // public DListener(Image img) {
- // super();
- // this.img = img;
- // }
- //
- // @Override
- // public void widgetDisposed(DisposeEvent event) {
- // img.dispose();
- // }
- //
- // }
-}
projects / lgpl / argeo-commons.git / blobdiff