Example usage for org.springframework.web.servlet.tags.form TagWriter writeOptionalAttributeValue

Introduction

In this page you can find the example usage for org.springframework.web.servlet.tags.form TagWriter writeOptionalAttributeValue.

Prototype

public void writeOptionalAttributeValue(String attributeName, @Nullable String attributeValue)
        throws JspException 

Source Link

Document

Write an HTML attribute if the supplied value is not null or zero length.

Usage

From source file:com.jigsforjava.web.tags.LinkTag.java

@Override
protected int writeTagContents(TagWriter tagWriter) throws Exception {
    tagWriter.writeAttribute(HREF_ATTRIBUTE, toUrl());
    tagWriter.writeOptionalAttributeValue(TARGET_ATTRIBUTE, getTarget());
    return EVAL_BODY_INCLUDE;
}

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From source file:com.jigsforjava.web.tags.ImageTag.java

@Override
protected int writeTagContents(TagWriter tagWriter) throws Exception {
    tagWriter.writeAttribute(SRC_ATTRIBUTE, getRequestContext().getContextPath() + getSrc());
    tagWriter.writeOptionalAttributeValue(ALT_ATTRIBUTE, getAlt());
    return SKIP_BODY;
}

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From source file:com.jigsforjava.web.tags.form.FormTag.java

@Override
protected int writeTagContents(TagWriter tagWriter) throws Exception {
    tagWriter.writeAttribute(ACTION_ATTRIBUTE, toUrl());
    tagWriter.writeOptionalAttributeValue(METHOD_ATTRIBUTE, getMethod());
    tagWriter.writeOptionalAttributeValue(TARGET_ATTRIBUTE, getTarget());
    tagWriter.writeOptionalAttributeValue(ENCTYPE_ATTRIBUTE, getEnctype());
    tagWriter.writeOptionalAttributeValue(ACCEPT_CHARSET_ATTRIBUTE, getAcceptCharset());
    tagWriter.writeOptionalAttributeValue(ONSUBMIT_ATTRIBUTE, getOnsubmit());
    tagWriter.writeOptionalAttributeValue(ONRESET_ATTRIBUTE, getOnreset());
    tagWriter.writeOptionalAttributeValue(AUTOCOMPLETE_ATTRIBUTE, getAutocomplete());
    return EVAL_BODY_INCLUDE;
}

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From source file:com.jigsforjava.web.tags.HtmlTag.java

private void writeAttributes(TagWriter tagWriter) throws JspException {
    tagWriter.writeOptionalAttributeValue(ONCLICK_ATTRIBUTE, getOnclick());
    tagWriter.writeOptionalAttributeValue(ID_ATTRIBUTE, getId());
    tagWriter.writeOptionalAttributeValue(NAME_ATTRIBUTE, getName());
    tagWriter.writeOptionalAttributeValue(CLASS_ATTRIBUTE, getCssClass());
    tagWriter.writeOptionalAttributeValue(STYLE_ATTRIBUTE, getCssStyle());
    tagWriter.writeOptionalAttributeValue(TITLE_ATTRIBUTE, getTitle());
    tagWriter.writeOptionalAttributeValue(TABINDEX_ATTRIBUTE, getTabindex());
    tagWriter.writeOptionalAttributeValue(ONCLICK_ATTRIBUTE, getOnclick());
    tagWriter.writeOptionalAttributeValue(ONDBLCLICK_ATTRIBUTE, getOndblclick());
    tagWriter.writeOptionalAttributeValue(ONMOUSEDOWN_ATTRIBUTE, getOnmousedown());
    tagWriter.writeOptionalAttributeValue(ONMOUSEUP_ATTRIBUTE, getOnmouseup());
    tagWriter.writeOptionalAttributeValue(ONMOUSEOVER_ATTRIBUTE, getOnmouseover());
    tagWriter.writeOptionalAttributeValue(ONMOUSEMOVE_ATTRIBUTE, getOnmousemove());
    tagWriter.writeOptionalAttributeValue(ONMOUSEOUT_ATTRIBUTE, getOnmouseout());
    tagWriter.writeOptionalAttributeValue(ONKEYPRESS_ATTRIBUTE, getOnkeypress());
    tagWriter.writeOptionalAttributeValue(ONKEYUP_ATTRIBUTE, getOnkeyup());
    tagWriter.writeOptionalAttributeValue(ONKEYDOWN_ATTRIBUTE, getOnkeydown());
}

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From source file:org.hdiv.web.servlet.tags.form.SelectTagHDIV.java

/**
 * Renders the HTML '<code>select</code>' tag to the supplied
 * {@link TagWriter}.// w ww.  java2 s  . com
 * <p>Renders nested '<code>option</code>' tags if the
 * {@link #setItems items} property is set, otherwise exposes the
 * bound value for the nested {@link OptionTag OptionTags}.
 */
@Override
protected int writeTagContent(TagWriter tagWriter) throws JspException {

    dataComposer = (IDataComposer) this.pageContext.getRequest().getAttribute(TagUtils.DATA_COMPOSER);
    dataComposer.compose(this.getName(), "", false);

    tagWriter.startTag("select");
    writeDefaultAttributes(tagWriter);
    if (isMultiple()) {
        tagWriter.writeAttribute("multiple", "multiple");
    }
    tagWriter.writeOptionalAttributeValue("size", getDisplayString(evaluate("size", getSize())));

    Object items = getItems();
    if (items != null) {
        // Items specified, but might still be empty...
        if (items != EMPTY) {
            Object itemsObject = evaluate("items", items);
            if (itemsObject != null) {

                String valueProperty = (getItemValue() != null
                        ? ObjectUtils.getDisplayString(evaluate("itemValue", getItemValue()))
                        : null);
                String labelProperty = (getItemLabel() != null
                        ? ObjectUtils.getDisplayString(evaluate("itemLabel", getItemLabel()))
                        : null);

                OptionWriterHDIV optionWriter = new OptionWriterHDIV(dataComposer, this.getName(), itemsObject,
                        getBindStatus(), valueProperty, labelProperty, isHtmlEscape());
                optionWriter.writeOptions(tagWriter);
            }
        }
        tagWriter.endTag(true);
        writeHiddenTagIfNecessary(tagWriter);
        return SKIP_BODY;
    } else {
        // Using nested <form:option/> tags, so just expose the value in the PageContext...
        tagWriter.forceBlock();
        this.tagWriter = tagWriter;
        this.pageContext.setAttribute(LIST_VALUE_PAGE_ATTRIBUTE, getBindStatus());
        return EVAL_BODY_INCLUDE;
    }
}

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From source file:com.benfante.taglib.frontend.tags.CheckboxTag.java

@Override
protected int writeTagContent(TagWriter tagWriter) throws JspException {
    tagWriter.startTag("div");
    if (this.getBindStatus().isError()) {
        tagWriter.writeAttribute("class", "form-group has-danger");
    } else {//from   w  ww  .j av  a2  s  .c om
        tagWriter.writeAttribute("class", "form-group");
    }
    tagWriter.startTag("div");
    tagWriter.writeAttribute("class", "row");

    tagWriter.startTag("div");
    tagWriter.writeAttribute("class", "checkbox " + this.getCssClass());
    String labelText = null;
    try {
        labelText = this.getRequestContext().getMessage(getLabel().toString());
    } catch (NoSuchMessageException nsme) {
        Object resolvedLabel = evaluate("label", getLabel());
        if (resolvedLabel != null) {
            labelText = convertToDisplayString(resolvedLabel);
        }
    }

    String id = resolveId();
    tagWriter.startTag("label");
    tagWriter.writeAttribute("for", id);
    tagWriter.writeOptionalAttributeValue("class", this.getLabelCssClass());

    if (!isDisabled()) {
        // Write out the 'field was present' marker.
        tagWriter.startTag("input");
        tagWriter.writeAttribute("type", "hidden");
        tagWriter.writeAttribute("name", WebDataBinder.DEFAULT_FIELD_MARKER_PREFIX + getName());
        tagWriter.writeAttribute("value", "on");
        tagWriter.endTag();
    }

    tagWriter.startTag("input");
    writeOptionalAttribute(tagWriter, "id", id);
    writeOptionalAttribute(tagWriter, "name", getName());
    writeTagDetails(tagWriter);
    tagWriter.endTag();

    tagWriter.appendValue(labelText);
    tagWriter.endTag();
    tagWriter.forceBlock();

    // Help Tooltip
    if (StringUtils.hasText(help)) {
        tagWriter.startTag("a");
        tagWriter.writeAttribute("class", "");
        tagWriter.writeAttribute("role", "button");
        tagWriter.writeAttribute("tabindex", "0");
        tagWriter.writeAttribute("style",
                "display: inline; padding: .375rem .75rem; font-size: 1rem; font-weight: normal; line-height: 1; color: #55595c; text-align: center; width: 1%; white-space: nowrap; vertical-align: middle;");
        writeOptionalAttribute(tagWriter, "data-toggle", "popover");
        writeOptionalAttribute(tagWriter, "data-trigger", "focus");
        writeOptionalAttribute(tagWriter, "data-html", "true");
        writeOptionalAttribute(tagWriter, "title", labelText);
        writeOptionalAttribute(tagWriter, "data-content",
                this.getRequestContext().getMessage(this.getHelp(), this.getHelp()));
        tagWriter.startTag("i");
        tagWriter.writeAttribute("class", "fa fa-question-circle");
        tagWriter.endTag(true);
        tagWriter.endTag();
    }

    tagWriter.endTag();
    tagWriter.endTag();

    // Validation messages
    if (this.getBindStatus().isError()) {
        tagWriter.startTag("div");
        tagWriter.writeAttribute("class", "row");

        tagWriter.startTag("div");
        writeOptionalAttribute(tagWriter, "class", labelCssClass);
        tagWriter.endTag(true);

        tagWriter.startTag("div");
        tagWriter.writeAttribute("id", autogenerateErrorId());
        tagWriter.writeAttribute("class", "text-help" + " " + extractControlContainerClasses());
        String[] errorMessages = getBindStatus().getErrorMessages();
        if (errorMessages.length > 0) {
            if (errorMessages.length > 1) {
                tagWriter.startTag("ul");
                for (int i = 0; i < errorMessages.length; i++) {
                    String errorMessage = errorMessages[i];
                    tagWriter.startTag("li");
                    tagWriter.appendValue(getDisplayString(errorMessage));
                    tagWriter.endTag();
                }
                tagWriter.endTag();
            } else {
                tagWriter.appendValue(getDisplayString(errorMessages[0]));
            }
        }
        tagWriter.endTag();
        tagWriter.endTag();
    }

    tagWriter.endTag();
    return SKIP_BODY;
}

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