| 0,0 → 1,119 |
|---|
| package ak.hostadmiral.core.taglib.list; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.tagext.BodyTagSupport; |
| import org.apache.struts.util.RequestUtils; |
| import org.apache.struts.util.ResponseUtils; |
| import ak.hostadmiral.util.CollectionInfo; |
| |
| public class PageIterateTag |
| extends BodyTagSupport |
| { |
| protected String infoBean = null; |
| |
| public String getInfoBean() |
| { |
| return this.infoBean; |
| } |
| |
| public void setInfoBean(String infoBean) |
| { |
| this.infoBean = infoBean; |
| } |
| |
| protected String infoProperty = null; |
| |
| public String getInfoProperty() |
| { |
| return this.infoProperty; |
| } |
| |
| public void setInfoProperty(String infoProperty) |
| { |
| this.infoProperty = infoProperty; |
| } |
| |
| protected int max = 0; |
| |
| public String getMax() |
| { |
| return Integer.toString(this.max); |
| } |
| |
| public void setMax(String max) |
| { |
| this.max = Integer.parseInt(max); |
| } |
| |
| protected int displayPage; |
| |
| public int getDisplayPage() |
| { |
| return this.displayPage; |
| } |
| |
| protected CollectionInfo collectionInfo; |
| |
| public CollectionInfo getCollectionInfo() |
| { |
| return this.collectionInfo; |
| } |
| |
| public int doStartTag() throws JspException |
| { |
| collectionInfo = findCollectionInfo(); |
| displayPage = (max == 0) ? 0 |
| : Math.max(0, collectionInfo.getCurrentPage() - max/2); |
| |
| if(collectionInfo == null) return SKIP_BODY; |
| |
| if(collectionInfo.getTotalPages() > 0) |
| return EVAL_BODY_TAG; |
| else |
| return SKIP_BODY; |
| } |
| |
| public int doAfterBody() throws JspException |
| { |
| // Render the output from this iteration to the output stream |
| if(bodyContent != null) { |
| ResponseUtils.writePrevious(pageContext, bodyContent.getString()); |
| bodyContent.clearBody(); |
| } |
| |
| displayPage++; |
| |
| if(max == 0 && displayPage < collectionInfo.getTotalPages()) { |
| return EVAL_BODY_TAG; |
| } |
| else if(max > 0 && displayPage < collectionInfo.getTotalPages() |
| && displayPage < collectionInfo.getCurrentPage() + max/2) |
| { |
| return EVAL_BODY_TAG; |
| } |
| else { |
| return SKIP_BODY; |
| } |
| } |
| |
| public int doEndTag() throws JspException |
| { |
| return EVAL_PAGE; |
| } |
| |
| protected CollectionInfo findCollectionInfo() |
| throws JspException |
| { |
| return (CollectionInfo) |
| RequestUtils.lookup(pageContext, infoBean, infoProperty, null); |
| } |
| |
| public void release() |
| { |
| super.release(); |
| infoBean = null; |
| infoProperty = null; |
| max = 0; |
| } |
| } |