protected SimpleImageMetaData createScaledImage(MasterImageMetaData mimd, double scaleFactor) throws Exception { ImageMetaData imageData = mimd.getMetaData(); SimpleImageMetaData output = new SimpleImageMetaData(); long height = Math.round(imageData.getHeight() / scaleFactor); long width = Math.round(imageData.getWidth() / scaleFactor); Dimension dim = new Dimension(new Long(width).intValue(), new Long(height).intValue()); resizeSimpleImage(output, mimd.getImageKey(), null, dim); return output; }
protected void setupDisplayImage(MasterImageMetaData mimd, UserSessionData usd) throws Exception { log.debug( "height is " + mimd.getMetaData().getHeight() + " width is " + mimd.getMetaData().getWidth()); double scalefactor = computeScaleFactor(mimd.getMetaData().getHeight(), mimd.getMetaData().getWidth()); log.debug("Scale Factor is " + scalefactor); usd.setScaleFactor(scalefactor); SimpleImageMetaData displayImage; if (scalefactor > 1.0) { // the image must be resized. displayImage = createScaledImage(mimd, scalefactor); log.debug("Display image is " + displayImage); } else { displayImage = new SimpleImageMetaData(mimd); } usd.setDisplayImage(displayImage); }
protected Map<String, String> buildDisplayImage(UserSessionData usd) { MasterImageMetaData mimd = usd.getMimd(); Map<String, String> displayImage = new HashMap<String, String>(); displayImage.put("title", mimd.getDisplayTitle()); displayImage.put("alt", mimd.getAlt()); String url; if (usd.getDisplayImage() != null) { displayImage.put("height", String.valueOf(usd.getDisplayImage().getHeight())); displayImage.put("width", String.valueOf(usd.getDisplayImage().getWidth())); url = this.urlBuilder.buildUrl(usd.getDisplayImage().getImageKey()); displayImage.put("url", url); } else { displayImage.put("height", String.valueOf(mimd.getMetaData().getHeight())); displayImage.put("width", String.valueOf(mimd.getMetaData().getWidth())); url = this.urlBuilder.buildUrl(mimd.getImageKey()); displayImage.put("url", url); } return displayImage; }
protected Map<String, String> buildMasterImageDisplay(MasterImageMetaData mimd) { ImageMetaData md = mimd.getMetaData(); Map<String, String> masterData = new HashMap<String, String>(); masterData.put("filename", md.getFilename()); masterData.put("ext", md.getExt()); masterData.put("mimetype", md.getMimeType()); masterData.put("size", String.valueOf(md.getSize())); masterData.put("height", String.valueOf(md.getHeight())); masterData.put("width", String.valueOf(md.getWidth())); String url = this.urlBuilder.buildUrl(mimd.getImageKey()); masterData.put("url", url); return masterData; }
@Override protected void postProcessPage( HttpServletRequest request, Object command, Errors errors, int page) throws Exception { UserSessionData usd = getUserSessionData(request); MasterImageMetaData mimd = usd.getMimd(); if (page == 0) { log.debug("postProcessPage: processing main page"); if (mimd.getMetaData().getSize() == 0L) { log.info("no image uploaded"); errors.reject("master.image.missing"); } if (mimd.getSizedImages().isEmpty()) { log.info("no image sizes selected"); errors.reject("no.image.sizes.selected"); } } }
@Override protected void onBind(HttpServletRequest request, Object command, BindException errors) throws Exception { log.debug("onBind: doing onBind..."); UserSessionData usd = getUserSessionData(request); MasterImageMetaData mimd = usd.getMimd(); ImageBean ib = (ImageBean) command; if (mimd == null) { log.error("onBind: mimd attribute is not set in session."); } else { int currentPage = getCurrentPage(request); if (request instanceof MultipartHttpServletRequest) { MultipartHttpServletRequest mRequest = (MultipartHttpServletRequest) request; MultipartFile mpFile = mRequest.getFile(FILE_UPLOAD_FIELD); String action = request.getParameter("action"); log.debug("onBind: the action is: " + action); if (mpFile.isEmpty() && StringUtils.isBlank(action)) { log.debug("onBind: nothing has been uploaded - not storing image..."); } else if (mpFile.isEmpty() && action.equals("cleared")) { log.debug( "onBind: nothing has been uploaded and something has been cleared - clearing stored image if any..."); mimd.setImageKey(null); mimd.setMetaData(null); mimd.clearSizedImages(); usd.setDirty(true); // clearing the file always sets dirty. } else { log.debug( "onBind: the original name of the file being uploaded is: " + mpFile.getOriginalFilename()); storeImage(mimd, mpFile); setupDisplayImage(mimd, usd); usd.setDirty(true); // uploaded files are always dirty. } mimd.setAlt(ib.getAlt()); mimd.setDescription(ib.getDescription()); mimd.setDisplayTitle(ib.getDisplayTitle()); mimd.setSysTitle(ib.getSysTitle()); } // set the dirty flag if the form is dirty or the session is already dirty. usd.setDirty(usd.isDirty() || ib.isDirty()); log.debug("onBind: The dirty flag is " + usd.isDirty()); log.debug( "onBind: There are " + getPageCount(request, command) + " pages. -- currently on page " + getCurrentPage(request)); log.debug("onBind: current Page is " + currentPage); // Figure out how many pages you will need to go through if (currentPage == 0) { String contentId = request.getParameter("sys_contentid"); String folderId = request.getParameter("sys_folderid"); String sessionId = RxRequestUtils.getSessionId(request); String username = request.getRemoteUser(); if (StringUtils.isBlank(contentId) && StringUtils.isNotBlank(folderId) && StringUtils.isNotBlank(ib.getSysTitle())) { boolean bval = imagePersistenceManager.validateSystemTitleUnique( ib.getSysTitle(), folderId, sessionId, username); if (!bval) { log.info("system title is not unique in folder " + ib.getSysTitle()); errors.rejectValue( "sysTitle", "title.not.unique", new String[] {ib.getSysTitle()}, "System Title is not unique in the specified folder."); } } log.debug("onBind: ib.getSizedImages(): " + ib.getSizedImages()); setPagesDynamically(request, ib.getSizedImages()); setupSizedImages(request, ib.getSizedImages(), mimd); } if (currentPage > 0 && currentPage < getPageCount(request, command) - 1) { log.debug("onBind: dealing with binding data for page " + currentPage); SizedImageMetaData simd = getCurrentSizedImage(mimd, currentPage - 1); ImageSizeDefinition isd = simd.getSizeDefinition(); if (ib.getX() == 0 && ib.getY() == 0 && ib.getWidth() == 0 && ib.getHeight() == 0) { // ignore this request, it was likely caused by a refresh... log.debug("No crop box data present, skipping this request"); return; } // can't do this on the client side because MSIE cannot detect change events. if (!usd.isDirty()) { // not already dirty, so we must check to see if the box has changed if (simd.getX() != ib.getX() || simd.getY() != ib.getY() || simd.getHeight() != ib.getHeight() || simd.getWidth() != ib.getWidth()) { usd.setDirty(true); } } Rectangle cropBox = new Rectangle(ib.getX(), ib.getY(), ib.getWidth(), ib.getHeight()); double scaleFactor = usd.getScaleFactor(); if (scaleFactor > 1.0) { log.debug("scaling crop box " + scaleFactor); ImageMetaData imd = mimd.getMetaData(); cropBox = scaledRectangle(cropBox, scaleFactor, new Dimension(imd.getWidth(), imd.getHeight())); log.debug("new crop box is " + cropBox); } Dimension size = new Dimension(isd.getWidth(), isd.getHeight()); resizeSimpleImage(simd, mimd.getImageKey(), cropBox, size); simd.setX(ib.getX()); simd.setY(ib.getY()); simd.setHeight(ib.getHeight()); simd.setWidth(ib.getWidth()); Boolean constraint = ib.isConstraint(); log.debug("constraint from ib: " + constraint); log.debug("request constraint: " + request.getParameter("constraint")); if (constraint == null) simd.setConstraint(false); else if (constraint.booleanValue()) simd.setConstraint(constraint); } else log.debug("onBind: page is not > 0 or < " + (getPageCount(request, command) - 1)); } log.debug("onBind: END"); }