Examples of org.openfaces.component.panel.FoldingPanel

org.openfaces.component.panel.FoldingPanel
The FoldingPanel component is a container for other components that can be expanded and collapsed by the user. The component supports different folding directions to reveal its content and provides various options to customize its appearance. Plus, there are several ways to control the content loading (using Ajax). @author Kharchenko

    @Override
    public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
        if (AjaxUtil.getSkipExtraRenderingOnPortletsAjax(context))
            return;


        FoldingPanel foldingPanel = (FoldingPanel) component;
        ResponseWriter writer = context.getResponseWriter();
        if (!foldingPanel.isExpanded() && (foldingPanel.getLoadingMode().equals(LoadingMode.AJAX_LAZY) ||
                                           foldingPanel.getLoadingMode().equals(LoadingMode.AJAX_ALWAYS))) {
            AjaxUtil.prepareComponentForAjax(context, component);
        }
        writer.startElement("table", foldingPanel);


        writeIdAttribute(context, foldingPanel);
        Rendering.writeComponentClassAttribute(writer, foldingPanel, "o_folding_panel");
        writer.writeAttribute("cellpadding", "0", null);
        writer.writeAttribute("border", "0", null);
        writer.writeAttribute("cellspacing", "0", null);
        Rendering.writeStandardEvents(writer, foldingPanel);
        writer.startElement("tr", foldingPanel);
        writer.startElement("td", foldingPanel);
        List<CaptionArea> captionAreas = getCaptionAreas(foldingPanel);
        for (CaptionArea captionArea : captionAreas) {
            List<ExpansionToggleButton> expansionToggleButtons = Components.findChildrenWithClass(captionArea, ExpansionToggleButton.class);
            for (ExpansionToggleButton expansionToggleButton : expansionToggleButtons) {
                prepareToggleButton(foldingPanel, expansionToggleButton);
            }
        }


        FoldingDirection foldingDirection = foldingPanel.getFoldingDirection();
        if (!FoldingDirection.UP.equals(foldingDirection)) {
            renderCaption(context, foldingPanel);


            writer.endElement("td");
            writer.endElement("tr");

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        String value = context.getExternalContext().getRequestParameterMap().get(key);
        if (value == null)
            return;


        boolean newExpanded = Boolean.valueOf(value);
        FoldingPanel panel = (FoldingPanel) component;
        if (panel.isExpanded() != newExpanded) {
            panel.setExpanded(newExpanded);
            component.queueEvent(new StateChangeEvent(component));
        }
    }

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    public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
        if (AjaxUtil.getSkipExtraRenderingOnPortletsAjax(context))
            return;


        ResponseWriter writer = context.getResponseWriter();
        FoldingPanel panel = (FoldingPanel) component;
        FoldingDirection foldingDirection = panel.getFoldingDirection();
        if (FoldingDirection.UP.equals(foldingDirection)) {
            writer.endElement("td");
            writer.endElement("tr");


            writer.startElement("tr", panel);

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    }




    private void renderStateField(FacesContext context, UIComponent component) throws IOException {
        ResponseWriter writer = context.getResponseWriter();
        FoldingPanel foldingPanel = (FoldingPanel) component;
        String value = String.valueOf(foldingPanel.isExpanded());
        Rendering.renderHiddenField(writer, component.getClientId(context) + STATE_SUFFIX, value);
    }

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        String value = String.valueOf(foldingPanel.isExpanded());
        Rendering.renderHiddenField(writer, component.getClientId(context) + STATE_SUFFIX, value);
    }


    private void renderInitScript(FacesContext context, UIComponent component) throws IOException {
        FoldingPanel foldingPanel = (FoldingPanel) component;


        LoadingMode loadingMode = foldingPanel.getLoadingMode();
        String defaultClass = Styles.getCSSClass(context, foldingPanel, Rendering.DEFAULT_FOCUSED_STYLE, StyleGroup.selectedStyleGroup(0));
        String focusedClass = Styles.getCSSClass(context,
                foldingPanel,
                foldingPanel.getFocusedStyle(), StyleGroup.selectedStyleGroup(1), foldingPanel.getFocusedClass(), defaultClass);
        String focusedContentClass = Styles.getCSSClass(context, foldingPanel,
                foldingPanel.getFocusedContentStyle(), StyleGroup.selectedStyleGroup(0), foldingPanel.getFocusedContentClass(), null);


        String focusedCaptionClass = Styles.getCSSClass(context, foldingPanel,
                foldingPanel.getFocusedCaptionStyle(), StyleGroup.selectedStyleGroup(0), foldingPanel.getFocusedCaptionClass(), null);


        String rolloverTogglableCaptionClass = Styles.getCSSClass(context, foldingPanel,
                foldingPanel.getRolloverTogglableCaptionStyle(), StyleGroup.rolloverStyleGroup(),
                foldingPanel.getRolloverTogglableCaptionClass(),
                DEFAULT_CAPTION_TOGGLABLE_ROLLOVER_CLASS);


        ScriptBuilder sb = new ScriptBuilder();
        sb.initScript(context, foldingPanel, "O$.FoldingPanel._init",
                foldingPanel.isExpanded(),
                foldingPanel.getFoldingDirection(),
                Rendering.getRolloverClass(context, foldingPanel),
                loadingMode,
                foldingPanel.isFocusable(),
                focusedClass,
                focusedContentClass,
                focusedCaptionClass,
                foldingPanel.getToggleOnCaptionClick(),
                rolloverTogglableCaptionClass);


        Rendering.renderInitScript(context, sb, Resources.utilJsURL(context),
                Resources.internalURL(context, "panel/foldingPanel.js"));
    }

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                Resources.internalURL(context, "panel/foldingPanel.js"));
    }


    @Override
    protected void writeAdditionalCaptionCellContent(ResponseWriter writer, ComponentWithCaption component) throws IOException {
        FoldingPanel panel = (FoldingPanel) component;
        FoldingDirection foldingDirection = panel.getFoldingDirection();
        if (!panel.isExpanded() &&
                (FoldingDirection.LEFT.equals(panel.getFoldingDirection()) || FoldingDirection.RIGHT.equals(foldingDirection))) {
            writer.writeAttribute("style", "display: none;", null);
        }
    }

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    @Override
    protected CaptionArea getDefaultButtonsArea(ComponentWithCaption component) {
        CaptionArea area = super.getDefaultButtonsArea(component);


        FoldingPanel foldingPanel = (FoldingPanel) component;
        FoldingDirection foldingDirection = foldingPanel.getFoldingDirection();
        boolean horizontalFoldingDirection =
                FoldingDirection.LEFT.equals(foldingDirection) || FoldingDirection.RIGHT.equals(foldingDirection);
        boolean buttonsOnTheLeft = horizontalFoldingDirection && FoldingDirection.RIGHT.equals(foldingDirection);
        area.setAlignment(buttonsOnTheLeft ? Side.LEFT : Side.RIGHT);
        return area;

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Related Classes of org.openfaces.component.panel.FoldingPanel

org.openfaces.component.CaptionArea

org.openfaces.renderkit.panel.FoldingPanelRenderer

javax.faces.component.UIComponent

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