/**
* Passes attribute information up to the parent TableTag.
*
* <p>When we hit the end of the tag, we simply let our parent (which better be a TableTag) know
* what the user wants to do with this column. We do that by simple registering this tag with the
* parent. This tag's only job is to hold the configuration information to describe this
* particular column. The TableTag does all the work.
*
* @return int
* @throws JspException if this tag is being used outside of a <display:list...> tag.
* @see javax.servlet.jsp.tagext.Tag#doEndTag()
*/
public int doEndTag() throws JspException {
TableTag tableTag = getTableTag();
MediaTypeEnum currentMediaType =
(MediaTypeEnum) this.pageContext.findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
if (currentMediaType != null && !MediaUtil.availableForMedia(this, currentMediaType)) {
if (log.isDebugEnabled()) {
log.debug("skipping column body, currentMediaType=" + currentMediaType);
}
return SKIP_BODY;
}
// add column header only once
if (tableTag.isFirstIteration()) {
addHeaderToTable(tableTag);
}
if (!tableTag.isIncludedRow()) {
return super.doEndTag();
}
Cell cell = null;
if (this.property == null && this.value != null) {
cell = new Cell(value);
} else if (this.property == null && this.bodyContent != null) {
cell = new Cell(this.bodyContent.getString());
}
Object rowStyle = this.attributeMap.get(TagConstants.ATTRIBUTE_STYLE);
Object rowClass = this.attributeMap.get(TagConstants.ATTRIBUTE_CLASS);
if (rowStyle != null || rowClass != null) {
HtmlAttributeMap perRowValues = new HtmlAttributeMap();
if (rowStyle != null) {
perRowValues.put(TagConstants.ATTRIBUTE_STYLE, rowStyle);
}
if (rowClass != null) {
perRowValues.put(TagConstants.ATTRIBUTE_CLASS, rowClass);
}
if (cell == null) {
cell = new Cell(null);
}
cell.setPerRowAttributes(perRowValues);
}
tableTag.addCell(cell != null ? cell : Cell.EMPTY_CELL);
// cleanup non-attribute variables
this.alreadySorted = false;
return super.doEndTag();
}
@Override
public int doStartTag() throws JspException {
int i = super.doStartTag();
Tag parent = getParent();
if (parent instanceof TableTag) {
Tablecol col = (Tablecol) component;
TableTag tbtag = (TableTag) parent;
List<Tablecol> columns = tbtag.getColumns();
int ci = tbtag.getColindex();
if (ci > columns.size()) {
ci = columns.size() - 1;
}
if (ci < 0) {
ci = 0;
}
if (StrUtil.isNull(dataattribute) || StrUtil.isNull(tbtag.getCustColumns())) {
columns.add(ci, col);
tbtag.setColindex(ci + 1);
} else {
int idx = tbtag.getTablecol(dataattribute);
if (idx >= 0) {
tbtag.getColumns().remove(idx);
tbtag.getColumns().add(idx, col);
tbtag.setColindex(idx + 1);
}
}
}
return i;
}
/** @see javax.servlet.jsp.tagext.Tag#doStartTag() */
public int doStartTag() throws JspException {
TableTag tableTag = getTableTag();
if (tableTag == null) {
throw new TagStructureException(getClass(), "column", "table");
}
// If the list is empty, do not execute the body; may result in NPE
if (tableTag.isEmpty() || !tableTag.isIncludedRow()) {
return SKIP_BODY;
}
MediaTypeEnum currentMediaType =
(MediaTypeEnum) this.pageContext.findAttribute(TableTag.PAGE_ATTRIBUTE_MEDIA);
if (!MediaUtil.availableForMedia(this, currentMediaType)) {
return SKIP_BODY;
}
return super.doStartTag();
}
@Override
public int doEndTag() throws JspException {
TableTag parent = (TableTag) findAncestorWithClass(this, TableTag.class);
// The tag is evaluated only once, at the first iteration
if (parent.isFirstIteration()) {
Option<?> option = DatatableOptions.findByName(name);
if (option == null) {
throw new JspException(
"'" + name + "' is not a valid option. Please read the documentation.");
} else {
parent.getStagingOptions().put(option, value);
}
}
return EVAL_PAGE;
}
/**
* Adds the current header to the table model calling addColumn in the parent table tag. This
* method should be called only at first iteration.
*
* @param tableTag parent table tag
* @throws DecoratorInstantiationException for error during column decorator instantiation
* @throws ObjectLookupException for errors in looking up values
*/
private void addHeaderToTable(TableTag tableTag)
throws DecoratorInstantiationException, ObjectLookupException {
// don't modify "title" directly
String evalTitle = this.title;
// title has precedence over titleKey
if (evalTitle == null && (this.titleKey != null || this.property != null)) {
// handle title i18n
evalTitle =
tableTag
.getProperties()
.geResourceProvider()
.getResource(this.titleKey, this.property, tableTag, this.pageContext);
}
HeaderCell headerCell = new HeaderCell();
headerCell.setHeaderAttributes((HtmlAttributeMap) this.headerAttributeMap.clone());
headerCell.setHtmlAttributes((HtmlAttributeMap) this.attributeMap.clone());
headerCell.setTitle(evalTitle);
headerCell.setSortable(this.sortable);
List<DisplaytagColumnDecorator> decorators = new ArrayList<DisplaytagColumnDecorator>();
// handle multiple chained decorators, whitespace separated
if (StringUtils.isNotEmpty(this.decorator)) {
String[] decoratorNames = StringUtils.split(this.decorator);
for (int j = 0; j < decoratorNames.length; j++) {
decorators.add(
tableTag
.getProperties()
.getDecoratorFactoryInstance()
.loadColumnDecorator(this.pageContext, decoratorNames[j]));
}
}
// "special" decorators
if (this.escapeXml) {
decorators.add(EscapeXmlColumnDecorator.INSTANCE);
}
if (this.autolink) {
decorators.add(AutolinkColumnDecorator.INSTANCE);
}
if (StringUtils.isNotBlank(this.format)) {
decorators.add(
new MessageFormatColumnDecorator(this.format, tableTag.getProperties().getLocale()));
}
headerCell.setColumnDecorators(
decorators.toArray(new DisplaytagColumnDecorator[decorators.size()]));
headerCell.setBeanPropertyName(this.property);
headerCell.setShowNulls(this.nulls);
headerCell.setMaxLength(this.maxLength);
headerCell.setMaxWords(this.maxWords);
headerCell.setGroup(this.group);
headerCell.setSortProperty(this.sortProperty);
headerCell.setTotaled(this.totaled);
Comparator<Object> headerComparator =
(comparator != null) ? comparator : tableTag.getProperties().getDefaultComparator();
headerCell.setComparator(headerComparator);
headerCell.setDefaultSortOrder(this.defaultorder);
headerCell.setSortName(this.sortName);
// href and parameter, create link
if (this.href != null) {
Href colHref;
// empty base url, use href with parameters from parent table
if (StringUtils.isEmpty(this.href.getBaseUrl())) {
colHref = (Href) tableTag.getBaseHref().clone();
} else {
colHref = (Href) this.href.clone();
}
if (this.paramId != null) {
// parameter value is in a different object than the iterated one
if (this.paramName != null || this.paramScope != null) {
// create a complete string for compatibility with previous version before expression
// evaluation.
// this approach is optimized for new expressions, not for previous property/scope
// parameters
StringBuffer expression = new StringBuffer();
// append scope
if (StringUtils.isNotBlank(this.paramScope)) {
expression.append(this.paramScope).append("Scope.");
}
// base bean name
if (this.paramId != null) {
expression.append(this.paramName);
} else {
expression.append(tableTag.getName());
}
// append property
if (StringUtils.isNotBlank(this.paramProperty)) {
expression.append('.').append(this.paramProperty);
}
// evaluate expression.
// note the value is fixed, not based on any object created during iteration
// this is here for compatibility with the old version mainly
Object paramValue = tableTag.evaluateExpression(expression.toString());
// add parameter
colHref.addParameter(this.paramId, paramValue);
} else {
// set id
headerCell.setParamName(this.paramId);
// set property
headerCell.setParamProperty(this.paramProperty);
}
}
// sets the base href
headerCell.setHref(colHref);
}
tableTag.addColumn(headerCell);
if (log.isDebugEnabled()) {
log.debug("columnTag.addHeaderToTable() :: first iteration - adding header " + headerCell);
}
}
@Override
protected void populateParams() {
Tablecol col = (Tablecol) component;
col.setId(id);
col.setType(type);
col.setMxevent_desc(mxevent_desc);
col.setMxevent(mxevent);
col.setMxevent_disabled(mxevent_disabled);
col.setDataattribute(dataattribute);
col.setLookup(lookup);
col.setLookupWidth(lookupWidth);
col.setLookupHeight(lookupHeight);
col.setLookupWrite(lookupWrite);
col.setLinkedcontrolid(linkedcontrolid);
col.setMxevent_icon(mxevent_icon);
col.setFilterable(filterable);
col.setFiltername(filtername);
col.setSortable(sortable);
col.setSortname(sortname);
col.setStartHtml(startHtml);
col.setHtml(html);
col.setRender(render);
col.setVisibleHead(visibleHead);
col.setFormat(format);
col.setTable(table);
col.setInputsize(inputsize);
col.setMaxlength(maxlength);
col.setWidth(width);
col.setHeight(height);
col.setNote(note);
col.setReadonly(readonly);
col.setSecondAttributes(secondAttributes);
col.setDataname(dataname);
JxParams jparam = BeanUtil.getJxParams();
if (jparam != null) {
if ("comtop".equalsIgnoreCase(urlType)) {
col.setUrlType(jparam.getComtopUrl());
} else if ("report".equalsIgnoreCase(urlType)) {
col.setUrlType(jparam.getReportUrl());
} else {
col.setUrlType(urlType);
}
} else {
col.setUrlType(urlType);
}
col.setUrlParamName(urlParamName);
col.setUrlParamValue(urlParamValue);
transformUrlParams(); // 转换所有参数的值
col.setAllUrlParams(allUrlParams);
col.setUrlTarget(urlTarget);
col.setTitle(title);
col.setAlign(align);
col.setDataDisplay(dataDisplay);
col.setVisible(visible);
col.setDescdataattribute(descdataattribute);
Tag tag = findAncestorWithClass(this, TableTag.class);
if (tag != null && dataattribute != null) {
TableTag ttag = (TableTag) tag;
JboSetIFace jboset = ttag.getJboset();
if (jboset != null) {
try {
Object jo = jboset.getJxAttribute(dataattribute.toUpperCase());
if (jo != null) {
jxattribute = (JxAttribute) jo;
col.setJxattribute(jxattribute);
for (JboIFace jbo : jboset.getJbolist()) {
if (null != jbo) {
if (!"TRUE".equalsIgnoreCase(required)) {
required = String.valueOf(jbo.isRequired(dataattribute));
} else {
jbo.setRequired(dataattribute, true);
}
}
}
}
} catch (Exception e) {
LOG.error(e.getMessage(), e);
}
}
}
super.populateParams();
}
