Examples with GroupBlock org.xwiki.rendering.block.GroupBlock used on opensource projects

Example 6 with GroupBlock

use of org.xwiki.rendering.block.GroupBlock in project xwiki-platform by xwiki.

the class RssMacro method generateEntries.

/**
 * Renders the given RSS's entries.
 *
 * @param parentBlock the parent Block to which the output is going to be added
 * @param feed the RSS Channel we retrieved via the Feed URL
 * @param parameters our parameter helper object
 * @throws MacroExecutionException if the content cannot be rendered
 */
private void generateEntries(Block parentBlock, SyndFeed feed, RssMacroParameters parameters) throws MacroExecutionException {
    int maxElements = parameters.getCount();
    int count = 0;
    for (Object item : feed.getEntries()) {
        ++count;
        if (count > maxElements) {
            break;
        }
        SyndEntry entry = (SyndEntry) item;
        ResourceReference titleResourceReference = new ResourceReference(entry.getLink(), ResourceType.URL);
        Block titleBlock = new LinkBlock(parsePlainText(entry.getTitle()), titleResourceReference, true);
        ParagraphBlock paragraphTitleBlock = new ParagraphBlock(Collections.singletonList(titleBlock));
        paragraphTitleBlock.setParameter(CLASS_ATTRIBUTE, "rssitemtitle");
        parentBlock.addChild(paragraphTitleBlock);
        if (parameters.isContent() && entry.getDescription() != null) {
            // We are wrapping the feed entry content in a HTML macro, not considering what the declared content
            // is, because some feed will declare text while they actually contain HTML.
            // See http://stuffthathappens.com/blog/2007/10/29/i-hate-rss/
            // A case where doing this might hurt is if a feed declares "text" and has any XML inside it does
            // not want to be interpreted as such, but displayed as is instead. But this certainly is too rare
            // compared to mis-formed feeds that say text while they want to say HTML.
            Block html = new RawBlock(entry.getDescription().getValue(), Syntax.XHTML_1_0);
            parentBlock.addChild(new GroupBlock(Arrays.asList(html), Collections.singletonMap(CLASS_ATTRIBUTE, "rssitemdescription")));
        }
    }
}

Example 7 with GroupBlock

use of org.xwiki.rendering.block.GroupBlock in project xwiki-platform by xwiki.

the class UserAvatarMacro method execute.

@Override
public List<Block> execute(UserAvatarMacroParameters parameters, String content, MacroTransformationContext context) throws MacroExecutionException {
    DocumentReference userReference = this.currentDocumentReferenceResolver.resolve(parameters.getUsername(), new EntityReference(USER_SPACE, EntityType.SPACE));
    // Find the avatar attachment name or null if not defined or an error happened when locating it
    String fileName = null;
    if (this.documentAccessBridge.exists(userReference)) {
        Object avatarProperty = this.documentAccessBridge.getProperty(userReference, new DocumentReference(userReference.getWikiReference().getName(), USER_SPACE, "XWikiUsers"), "avatar");
        if (avatarProperty != null) {
            fileName = avatarProperty.toString();
        }
    } else {
        throw new MacroExecutionException("User [" + this.compactWikiEntityReferenceSerializer.serialize(userReference) + "] is not registered in this wiki");
    }
    // Initialize with the default avatar.
    ResourceReference imageReference = new ResourceReference(this.skinAccessBridge.getSkinFile("icons/xwiki/noavatar.png"), ResourceType.URL);
    // Try to use the configured avatar.
    if (!StringUtils.isBlank(fileName)) {
        AttachmentReference attachmentReference = new AttachmentReference(fileName, userReference);
        // Check if the configured avatar file actually exists.
        try {
            if (documentAccessBridge.getAttachmentVersion(attachmentReference) != null) {
                // Use it.
                imageReference = new ResourceReference(this.compactWikiEntityReferenceSerializer.serialize(attachmentReference), ResourceType.ATTACHMENT);
            }
        } catch (Exception e) {
            // Log and fallback on default.
            logger.warn("Failed to get the avatar for user [{}]: [{}]. Using default.", this.compactWikiEntityReferenceSerializer.serialize(userReference), ExceptionUtils.getRootCauseMessage(e));
        }
    }
    ImageBlock imageBlock = new ImageBlock(imageReference, false);
    imageBlock.setParameter("alt", "Picture of " + userReference.getName());
    imageBlock.setParameter("title", userReference.getName());
    if (parameters.getWidth() != null) {
        imageBlock.setParameter("width", String.valueOf(parameters.getWidth()));
    }
    if (parameters.getHeight() != null) {
        imageBlock.setParameter("height", String.valueOf(parameters.getHeight()));
    }
    List<Block> result = Collections.singletonList(imageBlock);
    return context.isInline() ? result : Collections.singletonList(new GroupBlock(result));
}

Example 8 with GroupBlock

use of org.xwiki.rendering.block.GroupBlock in project xwiki-platform by xwiki.

the class InternalTemplateManager method generateError.

private XDOM generateError(Throwable throwable) {
    List<Block> errorBlocks = new ArrayList<Block>();
    // Add short message
    Map<String, String> errorBlockParams = Collections.singletonMap("class", "xwikirenderingerror");
    errorBlocks.add(new GroupBlock(Arrays.<Block>asList(new WordBlock("Failed to render step content")), errorBlockParams));
    // Add complete error
    StringWriter writer = new StringWriter();
    throwable.printStackTrace(new PrintWriter(writer));
    Block descriptionBlock = new VerbatimBlock(writer.toString(), false);
    Map<String, String> errorDescriptionBlockParams = Collections.singletonMap("class", "xwikirenderingerrordescription hidden");
    errorBlocks.add(new GroupBlock(Arrays.asList(descriptionBlock), errorDescriptionBlockParams));
    return new XDOM(errorBlocks);
}

Example 9 with GroupBlock

use of org.xwiki.rendering.block.GroupBlock in project xwiki-platform by xwiki.

the class ColumnsDashboardRenderer method renderGadgets.

@Override
public List<Block> renderGadgets(List<Gadget> gadgets, GadgetRenderer gadgetsRenderer, MacroTransformationContext context) throws MacroExecutionException {
    // transform the passed gagdets in a list of column gadgets
    List<ColumnGadget> columnGadgets = new ArrayList<ColumnGadget>();
    List<Gadget> invalidGadgets = new ArrayList<Gadget>();
    for (Gadget gadget : gadgets) {
        ColumnGadget cGadget = new ColumnGadget(gadget);
        if (cGadget.getColumn() != null && cGadget.getIndex() != null) {
            columnGadgets.add(cGadget);
        } else {
            invalidGadgets.add(gadget);
        }
    }
    // sort the column gadgets by first the column number then by index in column, for all those which have a valid
    // position
    Collections.sort(columnGadgets, new Comparator<ColumnGadget>() {

        public int compare(ColumnGadget g1, ColumnGadget g2) {
            return g1.getColumn().equals(g2.getColumn()) ? g1.getIndex() - g2.getIndex() : g1.getColumn() - g2.getColumn();
        }
    });
    // get the maximmum column number in the gadgets list and create that number of columns. This is the column
    // number of the last gadget in the ordered list. Default is 1 column, the empty dashboard is made of one empty
    // column
    int columns = 1;
    if (!columnGadgets.isEmpty()) {
        // prevent bad configurations to mess up the dashboard layout
        int lastGadgetsColumn = columnGadgets.get(columnGadgets.size() - 1).getColumn();
        if (lastGadgetsColumn > 1) {
            columns = lastGadgetsColumn;
        }
    }
    // create the list of gadget containers
    List<Block> gadgetContainers = new ArrayList<Block>();
    for (int i = 0; i < columns; i++) {
        GroupBlock gContainer = new GroupBlock();
        gContainer.setParameter(CLASS, DashboardMacro.GADGET_CONTAINER);
        // and generate the ids of the gadget containers, which are column numbers, 1 based
        gContainer.setParameter(ID, DashboardMacro.GADGET_CONTAINER_PREFIX + (i + 1));
        gadgetContainers.add(gContainer);
    }
    // render them as columns using the container macro and appropriate parameters
    ContainerMacroParameters containerParams = new ContainerMacroParameters();
    containerParams.setLayoutStyle("columns");
    BlocksContainerMacro containerMacro = new BlocksContainerMacro();
    containerMacro.setComponentManager(this.componentManager);
    containerMacro.setContent(gadgetContainers);
    List<Block> layoutedResult = containerMacro.execute(containerParams, null, context);
    for (ColumnGadget gadget : columnGadgets) {
        int columnIndex = gadget.getColumn() - 1;
        gadgetContainers.get(columnIndex).addChildren(gadgetsRenderer.decorateGadget(gadget));
    }
    // and return the result
    return layoutedResult;
}

Example 10 with GroupBlock

use of org.xwiki.rendering.block.GroupBlock in project xwiki-platform by xwiki.

the class DefaultGadgetRenderer method decorateGadget.

@Override
public List<Block> decorateGadget(Gadget gadget) {
    List<Block> result;
    // a gadget or not.
    if (!this.emptyXDOMChecker.check(gadget.getContent())) {
        // prepare the title of the gadget, in a heading 2
        HeaderBlock titleBlock = new HeaderBlock(gadget.getTitle(), HeaderLevel.LEVEL1);
        titleBlock.setParameter(CLASS, "gadget-title");
        // And then the content wrapped in a group block with class, to style it
        GroupBlock contentGroup = new GroupBlock();
        contentGroup.setParameter(CLASS, "gadget-content");
        contentGroup.addChildren(gadget.getContent());
        // and wrap everything in a container, to give it a class
        GroupBlock gadgetBlock = new GroupBlock();
        String idPrefix = "gadget";
        gadgetBlock.setParameter(CLASS, idPrefix);
        // put an underscore here because it doesn't hurt at this level and it helps scriptaculous on the frontend
        gadgetBlock.setParameter(ID, idPrefix + "_" + gadget.getId());
        gadgetBlock.addChild(titleBlock);
        gadgetBlock.addChild(contentGroup);
        result = Collections.singletonList(gadgetBlock);
    } else {
        result = Collections.emptyList();
    }
    return result;
}