public void evaluateExtraParams()

in core/src/main/java/org/apache/struts2/components/OptionTransferSelect.java [137:325]
107 lines of code
41 McCabe index (conditional complexity)

    public void evaluateExtraParams() {
        super.evaluateExtraParams();

        Object doubleValue;

        // override DoubleListUIBean's
        if (doubleList != null) {
            doubleValue = findValue(doubleList);
            addParameter("doubleList", doubleValue);
        }
        if (StringUtils.isBlank(size)) {
            addParameter("size", "15");
        }
        if (StringUtils.isBlank(doubleSize)) {
            addParameter("doubleSize", "15");
        }
        if (StringUtils.isBlank(multiple)) {
            addParameter("multiple", Boolean.TRUE);
        }
        if (StringUtils.isBlank(doubleMultiple)) {
            addParameter("doubleMultiple", Boolean.TRUE);
        }

        // buttonCssClass
        if (StringUtils.isNotBlank(buttonCssClass)) {
            addParameter("buttonCssClass", buttonCssClass);
        }

        // buttonCssStyle
        if (StringUtils.isNotBlank(buttonCssStyle)) {
            addParameter("buttonCssStyle", buttonCssStyle);
        }

        // allowSelectAll
        addParameter("allowSelectAll",
                allowSelectAll != null ? findValue(allowSelectAll, Boolean.class) : Boolean.TRUE);

        // allowAddToLeft
        addParameter("allowAddToLeft",
                allowAddToLeft != null ? findValue(allowAddToLeft, Boolean.class) : Boolean.TRUE);

        // allowAddToRight
        addParameter("allowAddToRight",
                allowAddToRight != null ? findValue(allowAddToRight, Boolean.class) : Boolean.TRUE);

        // allowAddAllToLeft
        addParameter("allowAddAllToLeft",
                allowAddAllToLeft != null ? findValue(allowAddAllToLeft, Boolean.class) : Boolean.TRUE);

        // allowAddAllToRight
        addParameter("allowAddAllToRight",
                allowAddAllToRight != null ? findValue(allowAddAllToRight, Boolean.class) : Boolean.TRUE);

        // allowUpDownOnLeft
        addParameter("allowUpDownOnLeft",
                allowUpDownOnLeft != null ? findValue(allowUpDownOnLeft, Boolean.class) : Boolean.TRUE);

        // allowUpDownOnRight
        addParameter("allowUpDownOnRight",
                allowUpDownOnRight != null ? findValue(allowUpDownOnRight, Boolean.class) : Boolean.TRUE);


        // leftTitle
        if (leftTitle != null) {
            addParameter("leftTitle", findValue(leftTitle, String.class));
        }

        // rightTitle
        if (rightTitle != null) {
            addParameter("rightTitle", findValue(rightTitle, String.class));
        }


        // addToLeftLabel
        addParameter("addToLeftLabel",
                addToLeftLabel != null ? findValue(addToLeftLabel, String.class) : "<-" );

        // addToRightLabel
        addParameter("addToRightLabel",
                addToRightLabel != null ? findValue(addToRightLabel, String.class) : "->");

        // addAllToLeftLabel
        addParameter("addAllToLeftLabel",
                addAllToLeftLabel != null ? findValue(addAllToLeftLabel, String.class) : "<<--");

        // addAllToRightLabel
        addParameter("addAllToRightLabel",
                addAllToRightLabel != null ? findValue(addAllToRightLabel, String.class) : "-->>");

        // selectAllLabel
        addParameter("selectAllLabel",
                selectAllLabel != null ? findValue(selectAllLabel, String.class) : "<*>");

        // leftUpLabel
        addParameter("leftUpLabel",
                leftUpLabel != null ? findValue(leftUpLabel, String.class) : "^");


        // leftDownLabel
        addParameter("leftDownLabel",
                leftDownlabel != null ? findValue(leftDownlabel, String.class) : "v");


        // rightUpLabel
        addParameter("rightUpLabel",
                rightUpLabel != null ? findValue(rightUpLabel, String.class) : "^");


        // rightDownlabel
        addParameter("rightDownLabel",
                rightDownLabel != null ? findValue(rightDownLabel, String.class) : "v");


        // selectAllOnclick
        addParameter("selectAllOnclick",
                selectAllOnclick != null ? findValue(selectAllOnclick, String.class) : "");

        // addToLeftOnclick
        addParameter("addToLeftOnclick",
                addToLeftOnclick != null ? findValue(addToLeftOnclick, String.class) : "");

        // addToRightOnclick
        addParameter("addToRightOnclick",
                addToRightOnclick != null ? findValue(addToRightOnclick, String.class) : "");

        // addAllToLeftOnclick
        addParameter("addAllToLeftOnclick",
                addAllToLeftOnclick != null ? findValue(addAllToLeftOnclick, String.class) : "");

        // addAllToRightOnclick
        addParameter("addAllToRightOnclick",
                addAllToRightOnclick != null ? findValue(addAllToRightOnclick, String.class) : "");

        // upDownOnLeftOnclick
        addParameter("upDownOnLeftOnclick",
                upDownOnLeftOnclick != null ? findValue(upDownOnLeftOnclick, String.class) : "");

        // upDownOnRightOnclick
        addParameter("upDownOnRightOnclick",
                upDownOnRightOnclick != null ? findValue(upDownOnRightOnclick, String.class) : "");



        // inform the form component our select tag infos, so they know how to select
        // its elements upon onsubmit
        Form formAncestor = (Form) findAncestor(Form.class);
        if (formAncestor != null) {

            // inform ancestor form that we are having a customOnsubmit (see form-close.ftl [simple theme])
            enableAncestorFormCustomOnsubmit();


            // key -> select tag id, value -> headerKey (if exists)
            Map formOptiontransferselectIds = (Map) formAncestor.getAttributes().get("optiontransferselectIds");
            Map formOptiontransferselectDoubleIds = (Map) formAncestor.getAttributes().get("optiontransferselectDoubleIds");

            // init lists
            if (formOptiontransferselectIds == null) {
                formOptiontransferselectIds = new LinkedHashMap();
            }
            if (formOptiontransferselectDoubleIds == null) {
                formOptiontransferselectDoubleIds = new LinkedHashMap();
            }


            // id
            String tmpId = (String) getAttributes().get("id");
            String tmpHeaderKey = (String) getAttributes().get("headerKey");
            if (tmpId != null && (! formOptiontransferselectIds.containsKey(tmpId))) {
                formOptiontransferselectIds.put(tmpId, tmpHeaderKey);
            }

            // doubleId
            String tmpDoubleId = (String) getAttributes().get("doubleId");
            String tmpDoubleHeaderKey = (String) getAttributes().get("doubleHeaderKey");
            if (tmpDoubleId != null && (! formOptiontransferselectDoubleIds.containsKey(tmpDoubleId))) {
                formOptiontransferselectDoubleIds.put(tmpDoubleId, tmpDoubleHeaderKey);
            }

            formAncestor.getAttributes().put("optiontransferselectIds", formOptiontransferselectIds);
            formAncestor.getAttributes().put("optiontransferselectDoubleIds", formOptiontransferselectDoubleIds);

        }
        else {
            if (LOG.isWarnEnabled()) {
                LOG.warn("form enclosing optiontransferselect {} not found, auto select upon form submit of optiontransferselect will not work", this);
            }
        }
    }