cmsphotoalbumbean.java

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            result.append(">");
            result.append(title);
            result.append("</td>\n</tr>\n");

        }

        // show the navigation if configured position is top below text
        result.append(buildHtmlImageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_TOP_BELOW, photoIndex, photo));

        // show image row
        result.append("<tr>\n\t<td>");
        // create the image
        result.append("<img src=\"");
        StringBuffer link = new StringBuffer(256);
        link.append(resourceName);
        link.append(getConfiguration().getDetailImageScaler().toRequestParam());
        result.append(link(link.toString()));
        result.append("\" border=\"0\" width=\"");
        result.append(getConfiguration().getDetailImageScaler().getWidth());
        result.append("\" height=\"");
        result.append(getConfiguration().getDetailImageScaler().getHeight());
        result.append("\" alt=\"");
        result.append(title);
        result.append("\" title=\"");
        result.append(title);
        result.append("\">");
        result.append("</td>\n</tr>\n");

        // show the navigation if configured position is bottom above text
        result.append(buildHtmlImageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_BOTTOM_ABOVE, photoIndex, photo));

        // show the image description if configured and present
        if (getConfiguration().showDetailDescription()) {
            String description = property(CmsPropertyDefinition.PROPERTY_DESCRIPTION, resourceName, "");
            if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(description)) {
                result.append("<tr>\n\t<td");
                result.append(getStyle().getClassDetailImageDescription());
                result.append(getConfiguration().getStyleAlignAttribute(getConfiguration().getDetailAlignTitle()));
                result.append(">");
                result.append(description);
                result.append("</td>\n</tr>\n");
            }
        }

        // show the navigation if configured position is bottom below text
        result.append(buildHtmlImageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_BOTTOM_BELOW, photoIndex, photo));

        result.append("</table>");
        return result.toString();
    }

    /**
     * Returns the HTML to build a thumbnail overview page of the photo album.<p>
     * 
     * @return the HTML to build a thumbnail overview page of the photo album
     */
    protected String buildHtmlViewThumbNail() {

        StringBuffer result = new StringBuffer(4096);

        // determine photo indizes to display and the number of thumb rows
        int startIndex = (getCurrentPage() - 1) * getPhotosPerPage();
        int endIndex = 0;
        int rowCount = getConfiguration().getThumbRows();
        if (getConfiguration().showPageNavigation()) {
            // navigation is shown, calculate end index
            endIndex = (getCurrentPage() * getPhotosPerPage()) - 1;
            if (endIndex > (getAlbumPhotos().size() - 1)) {
                endIndex = getAlbumPhotos().size() - 1;
            }
        } else {
            // all photos on one page
            endIndex = getAlbumPhotos().size() - 1;
        }
        int photoCount = endIndex - startIndex + 1;
        rowCount = photoCount / getConfiguration().getThumbCols();
        if ((photoCount % getConfiguration().getThumbCols()) > 0) {
            rowCount += 1;
        }

        // show the photo album title
        result.append(buildHtmlAlbumTitle());

        result.append("<table border=\"0\"");
        result.append(getStyle().getClassThumbTable());
        result.append(" width=\"");
        result.append(getConfiguration().getThumbCols() * getConfiguration().getThumbNailScaler().getWidth());
        result.append("\">\n");

        // show the navigation if configured position is top above text
        result.append(buildHtmlPageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_TOP_ABOVE));

        // show the top text if present
        result.append(buildHtmlThumbTextRow(getConfiguration().getThumbTextTop()));

        // show the navigation if configured position is top below text
        result.append(buildHtmlPageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_TOP_BELOW));

        String styleAttr = getConfiguration().getStyleAlignAttribute(getConfiguration().getThumbAlignTitle());

        int photoIndex = startIndex;
        for (int i = 1; i <= rowCount; i++) {
            // build the table thumbnail rows
            result.append("<tr>\n");
            for (int k = 1; k <= getConfiguration().getThumbCols(); k++) {
                // build the tumbnail table data cell
                result.append("\t<td width=\"");
                result.append(getConfiguration().getThumbNailScaler().getWidth());
                result.append("\"");
                result.append(getStyle().getClassThumbImageTitle());
                result.append(styleAttr);
                result.append(">");
                if (photoIndex <= endIndex) {
                    // current photo is in list range, show it
                    CmsResource photo = (CmsResource)getAlbumPhotos().get(photoIndex);
                    String resourceName = getCmsObject().getSitePath(photo);
                    String title = "";
                    if (getConfiguration().showResourceNameAsTitle()) {
                        title = CmsResource.getName(resourceName);
                    }
                    title = property(CmsPropertyDefinition.PROPERTY_TITLE, resourceName, title);
                    title = CmsEncoder.escapeXml(title);
                    // create the link to the detail view
                    result.append("<a href=\"");
                    StringBuffer link = new StringBuffer(256);
                    link.append(getRequestContext().getUri());
                    link.append("?");
                    link.append(PARAM_ACTION).append("=").append(VALUE_ACTION_DETAIL);
                    link.append("&").append(PARAM_IMAGE).append("=").append(photoIndex);
                    result.append(link(link.toString()));
                    result.append("\">");
                    // create the scaled thumbnail
                    result.append("<img src=\"");
                    link = new StringBuffer(256);
                    link.append(resourceName);
                    link.append(getConfiguration().getThumbNailScaler().toRequestParam());
                    result.append(link(link.toString()));
                    result.append("\" border=\"0\" width=\"");
                    result.append(getConfiguration().getThumbNailScaler().getWidth());
                    result.append("\" height=\"");
                    result.append(getConfiguration().getThumbNailScaler().getHeight());
                    result.append("\" alt=\"");
                    result.append(title);
                    result.append("\" title=\"");
                    result.append(title);
                    result.append("\">");
                    result.append("</a>");
                    if (getConfiguration().showThumbTitle() && CmsStringUtil.isNotEmptyOrWhitespaceOnly(title)) {
                        // show title below the thumbnail
                        result.append("<br clear=\"all\"><span");
                        result.append(getStyle().getClassThumbImageTitle());
                        result.append(">");
                        result.append(title);
                        result.append("</span>");
                    }
                    photoIndex++;
                }
                result.append("</td>\n");
            }
            result.append("</tr>\n");
        }

        // show the navigation if configured position is bottom above text
        result.append(buildHtmlPageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_BOTTOM_ABOVE));

        // show the bottom text if present
        result.append(buildHtmlThumbTextRow(getConfiguration().getThumbTextBottom()));

        // show the navigation if configured position is bottom below text
        result.append(buildHtmlPageNavigation(CmsPhotoAlbumConfiguration.NAVPOS_BOTTOM_BELOW));

        result.append("</table>");
        return result.toString();
    }

    /**
     * Determines the necessary page information to build the navigation elements for the album pages.<p>
     * 
     * Calculates the following values and stores them in members:
     * <ul>
     * <li>the number of photos to display on one overview page</li>
     * <li>the current thumbnail page to show</li>
     * <li>the number of pages to create to show all images of the selected gallery</li>
     * </ul>
     */
    protected void calculatePageData() {

        if (getConfiguration().showPageNavigation()) {
            // show page navigation, do calculations
            setPhotosPerPage(getConfiguration().getThumbCols() * getConfiguration().getThumbRows());
            int pageCount = getAlbumPhotos().size() / getPhotosPerPage();
            if ((getAlbumPhotos().size() % getPhotosPerPage()) != 0) {
                pageCount++;
            }
            setPageCount(pageCount);
            // determine page to show
            String page = getRequest().getParameter(PARAM_PAGE);
            if (CmsStringUtil.isNotEmpty(page) && getPageCount() > 1) {
                int currentPage = Integer.parseInt(page);
                if (currentPage > getPageCount()) {
                    currentPage = getPageCount();
                }
                setCurrentPage(currentPage);
            } else {
                setCurrentPage(1);
            }
        } else {
            // no navigation shown, set to default values
            setPhotosPerPage(0);
            setPageCount(1);
            setCurrentPage(1);
        }
    }

    /**
     * Returns if the current navigation position to check is the configured position.<p>
     * 
     * @param currentPosition the current navigation position to check
     * @return true if the current navigation position to check is the configured position, otherwise false
     */
    protected boolean checkNavigationPosition(String currentPosition) {

        return getConfiguration().getNavigationPosition().indexOf(currentPosition) > -1;
    }

    /**
     * Returns non breakable spaces (<code>&amp;nbsp;</code>) as replacement for the given replace value.<p>
     * 
     * @param replaceValue the value to replace with spaces
     * @return non breakable spaces as replacement
     */
    protected String fillNavSpaces(String replaceValue) {

        int centerIndex = getConfiguration().getAlignNavigation().indexOf("center");
        if (centerIndex > -1 && CmsStringUtil.isNotEmpty(replaceValue)) {
            int length = replaceValue.length();
            StringBuffer result = new StringBuffer(6 * length);
            for (int i = 0; i < length; i++) {
                result.append("&nbsp;");
            }
            return result.toString();
        }
        return "";
    }

    /**
     * Returns the configuration errors that occured.<p>
     * 
     * @return the configuration errors that occured
     */
    protected List getConfigErrors() {

        return m_configErrors;
    }

    /**
     * Sets the configuration errors that occured.<p>
     * 
     * @param configErrors the configuration errors that occured
     */
    protected void setConfigErrors(List configErrors) {

        m_configErrors = configErrors;
    }

    /**
     * Sets the current page to display for the thumbnail view.<p>
     * 
     * @param currentPage the current page to display for the thumbnail view
     */
    protected void setCurrentPage(int currentPage) {

        m_currentPage = currentPage;
    }

    /**
     * Sets the display action to determine the view to generate.<p>
     * 
     * @param displayAction the display action to determine the view to generate
     */
    protected void setDisplayAction(int displayAction) {

        m_displayAction = displayAction;
    }

    /**
     * Sets the number of pages to display for the thumbnail view.<p>
     * 
     * @param pageCount the number of pages to display for the thumbnail view
     */
    protected void setPageCount(int pageCount) {

        m_pageCount = pageCount;
    }

    /**
     * Sets the number of photos to display on a single thumbnail overview page.<p>
     * 
     * @param photosPerPage the number of photos to display on a single thumbnail overview page
     */
    protected void setPhotosPerPage(int photosPerPage) {

        m_photosPerPage = photosPerPage;
    }

}