Package org.richfaces.component

Examples of org.richfaces.component.AbstractDataScroller

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        String clientId = component.getClientId(context);
        String param = (String) paramMap.get(clientId + ":page");

        if (param != null) {

            AbstractDataScroller scroller = (AbstractDataScroller) component;
            int newPage = scroller.getPageForFacet(param);
            int page = scroller.getPage();

            if (newPage != 0 && newPage != page) {
                new DataScrollEvent(scroller, String.valueOf(page), param, newPage).queue();
            }
        }
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            }
        }
    }

    protected boolean shouldRender(UIComponent component){
        AbstractDataScroller ds = (AbstractDataScroller) component;
        if ((ds.getPageCount() == 1)&&(!ds.isRenderIfSinglePage())){
            return false;
        }else{
        return true;
        }
    }
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        String clientId = component.getClientId(context);
        String param = (String) paramMap.get(clientId + ":page");

        if (param != null) {

            AbstractDataScroller scroller = (AbstractDataScroller) component;
            int newPage = scroller.getPageForFacet(param);
            int page = scroller.getPage();

            if (newPage != 0 && newPage != page) {
                new DataScrollEvent(scroller, String.valueOf(page), param, newPage).queue();
            }
        }
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            }
        }
    }

    protected boolean shouldRender(UIComponent component){
        AbstractDataScroller ds = (AbstractDataScroller) component;
        if ((ds.getPageCount() == 1)&&(!ds.isRenderIfSinglePage())){
            return false;
        }else{
        return true;
        }
    }
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        public PageMapper(TagAttribute attribute) {
            page = attribute;
        }

        public void applyMetadata(FaceletContext ctx, Object instance) {
            AbstractDataScroller datascroller = (AbstractDataScroller) instance;

            ValueExpression ve = page.getValueExpression(ctx, int.class);
            if (ve.isLiteralText()) {
                Integer value = (Integer) ve.getValue(ctx.getFacesContext().getELContext());
                datascroller.setPage(value);
            } else {
                datascroller.setValueExpression("page", ve);
            }
        }
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        return ((source instanceof AbstractDataScroller) || (source instanceof UIDataAdaptor) || (source instanceof UIData));
    }

    public AbstractDataScroller processActiveDatascroller(FacesContext facesContext, List<AbstractDataScroller> dataScrollers,
        UIComponent dataTable) {
        AbstractDataScroller activeComponent = null;
        List<Object> values = new ArrayList<Object>(dataScrollers.size());

        String stateKey = dataTable.getClientId(facesContext) + AbstractDataScroller.SCROLLER_STATE_ATTRIBUTE;
        Map<String, Object> attributes = dataTable.getAttributes();
        Object pageValue = attributes.get(stateKey);
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        return activeComponent;
    }

    public void processEvent(SystemEvent event) throws AbortProcessingException {
        AbstractDataScroller activeDataScroller = null;
        UIComponent dataTable = null;
        FacesContext facesContext = FacesContext.getCurrentInstance();
        UIComponent source = (UIComponent) event.getSource();

        if ((source instanceof UIDataAdaptor) || (source instanceof UIData)) {
            dataTable = source;
            List<AbstractDataScroller> dataScrollers = DataScrollerUtils.findDataScrollers(dataTable);
            if (!dataScrollers.isEmpty()) {
                activeDataScroller = processActiveDatascroller(facesContext, dataScrollers, dataTable);
            }
        } else if (source instanceof AbstractDataScroller) {
            activeDataScroller = (AbstractDataScroller) source;
            dataTable = activeDataScroller.getDataTable();
        }

        if ((activeDataScroller != null) && (dataTable != null)) {
            DataComponentsContextUtil.resetDataModelOncePerPhase(facesContext, dataTable);

            String scrollerStateKey = dataTable.getClientId(facesContext) + AbstractDataScroller.SCROLLER_STATE_ATTRIBUTE;
            int rowCount = DataScrollerUtils.getRowCount(dataTable);
            int rows = DataScrollerUtils.getRows(dataTable);
            int pageCount = DataScrollerUtils.getPageCount(dataTable, rowCount, rows);

            int page = activeDataScroller.getPage();
            int newPage = -1;

            if (page < 1) {
                newPage = 1;
            } else if (page > pageCount) {
                newPage = (pageCount != 0 ? pageCount : 1);
            }

            if (newPage != -1) {
                Object label = MessageUtil.getLabel(facesContext, activeDataScroller);
                String formattedMessage = Messages.getMessage(Messages.DATASCROLLER_PAGE_MISSING, new Object[] { label, page,
                        pageCount, newPage });

                LOG.warn(formattedMessage);
                page = newPage;
                dataTable.getAttributes().put(scrollerStateKey, page);
            }

            int first;
            String lastPageMode = activeDataScroller.getLastPageMode();

            if (lastPageMode == null) {
                lastPageMode = AbstractDataScroller.PAGEMODE_SHORT;
            } else if (!AbstractDataScroller.PAGEMODE_SHORT.equals(lastPageMode)
                && !AbstractDataScroller.PAGEMODE_FULL.equals(lastPageMode)) {
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        StringBuilder builder = new StringBuilder("\n[");
        Iterator<AbstractDataScroller> scrollerItr = dataScrollers.iterator();
        Iterator<Object> valueItr = values.iterator();

        while (scrollerItr.hasNext()) {
            AbstractDataScroller next = scrollerItr.next();
            builder.append(MessageUtil.getLabel(facesContext, next));
            builder.append(": ");

            Object value = valueItr.next();
            if (value instanceof ValueExpression) {
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Related Classes of org.richfaces.component.AbstractDataScroller

  • org.richfaces.event.DataScrollEvent
  • org.richfaces.event.DataTablePreRenderListener
  • org.richfaces.renderkit.DataScrollerBaseRenderer
  • org.richfaces.taglib.DataScrollerHandler$PageMapper
  • javax.faces.application.FacesMessage
  • javax.el.ValueExpression
  • javax.faces.FacesException
  • javax.faces.context.FacesContext
  • javax.faces.component.UIComponent
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