Author: sviluppatorefico Date: 2009-07-22 19:04:01 -0400 (Wed, 22 Jul 2009) New Revision: 13589 Modified: branches/JBoss_Portal_Branch_2_7/theme/src/main/org/jboss/portal/theme/tag/RegionTagHandler.java Log: JBPORTAL-2430 it lets drag and drop and partial refresh in a region Modified: branches/JBoss_Portal_Branch_2_7/theme/src/main/org/jboss/portal/theme/tag/RegionTagHandler.java =================================================================== --- branches/JBoss_Portal_Branch_2_7/theme/src/main/org/jboss/portal/theme/tag/RegionTagHandler.java 2009-07-22 23:03:30 UTC (rev 13588) +++ branches/JBoss_Portal_Branch_2_7/theme/src/main/org/jboss/portal/theme/tag/RegionTagHandler.java 2009-07-22 23:04:01 UTC (rev 13589) @@ -22,234 +22,254 @@ ******************************************************************************/ package org.jboss.portal.theme.tag; +import java.io.IOException; +import java.io.PrintWriter; +import java.util.Collection; +import java.util.Collections; +import java.util.Map; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.jsp.JspException; +import javax.servlet.jsp.JspWriter; +import javax.servlet.jsp.PageContext; +import javax.servlet.jsp.tagext.SimpleTagSupport; + import org.jboss.logging.Logger; import org.jboss.portal.theme.LayoutConstants; import org.jboss.portal.theme.Orientation; import org.jboss.portal.theme.impl.JSPRendererContext; +import org.jboss.portal.theme.impl.render.dynamic.DynaRenderOptions; import org.jboss.portal.theme.render.RenderException; import org.jboss.portal.theme.render.renderer.PageRendererContext; import org.jboss.portal.theme.render.renderer.RegionRendererContext; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.jsp.JspException; -import javax.servlet.jsp.JspWriter; -import javax.servlet.jsp.PageContext; -import javax.servlet.jsp.tagext.SimpleTagSupport; -import java.io.IOException; -import java.io.PrintWriter; -import java.util.Collection; -import java.util.Collections; -import java.util.Map; - /** - * Tag handler for the region tag. <p>A region represents a subsection of a portal page. A region can host several - * portlets. The portlets can be arranged horizontally or vertically. The region tag utilizes a render set to create the - * markup around the individual portlets.</p> - * + * Tag handler for the region tag. + * <p> + * A region represents a subsection of a portal page. A region can host several + * portlets. The portlets can be arranged horizontally or vertically. The region + * tag utilizes a render set to create the markup around the individual + * portlets. + * </p> + * * @author <a href="mailto:mholzner@novell.com>Martin Holzner</a> * @author <a href="mailto:roy@jboss.org>Roy Russo</a> - * @version $LastChangedRevision$, $LastChangedDate$ + * @version $LastChangedRevision$, $LastChangedDate: 2007-10-28 01:01:46 + * +0200 (dom, 28 ott 2007) $ * @see org.jboss.portal.theme.PortalRenderSet */ -public class RegionTagHandler - extends SimpleTagSupport -{ - private static Logger log = Logger.getLogger(RegionTagHandler.class); - //default to vertical +public class RegionTagHandler extends SimpleTagSupport { + private static Logger log = Logger.getLogger(RegionTagHandler.class); + // default to vertical - private Orientation regionOrientation; - private String regionName = null; - private String regionCssId = null; + private Orientation regionOrientation; + private String regionName = null; + private String regionCssId = null; + private String dndEnabled = null; + private String partialRefreshEnabled = null; - /** - * create the markup of this tag - * - * @throws JspException - * @throws IOException - */ - public void doTag() throws JspException, IOException - { - if (regionCssId == null) - { - regionCssId = regionName; - } - log.debug("rendering " + regionName + " [" + regionOrientation + "] cssId[" + regionCssId + "]"); + /** + * create the markup of this tag + * + * @throws JspException + * @throws IOException + */ + public void doTag() throws JspException, IOException { + if (regionCssId == null) { + regionCssId = regionName; + } + log.debug("rendering " + regionName + " [" + regionOrientation + + "] cssId[" + regionCssId + "]"); - // get page and region - PageContext app = (PageContext)getJspContext(); - HttpServletRequest request = (HttpServletRequest)app.getRequest(); + // get page and region + PageContext app = (PageContext) getJspContext(); + HttpServletRequest request = (HttpServletRequest) app.getRequest(); - PageRendererContext page = (PageRendererContext)request.getAttribute(LayoutConstants.ATTR_PAGE); - JspWriter out = this.getJspContext().getOut(); - if (page == null) - { - out.write("<p bgcolor='red'>No page to render!</p>"); - out.write("<p bgcolor='red'>The page to render (PageResult) must be set in the request attribute '" + - LayoutConstants.ATTR_PAGE + "'</p>"); - out.flush(); - return; - } + PageRendererContext page = (PageRendererContext) request + .getAttribute(LayoutConstants.ATTR_PAGE); + JspWriter out = this.getJspContext().getOut(); + if (page == null) { + out.write("<p bgcolor='red'>No page to render!</p>"); + out + .write("<p bgcolor='red'>The page to render (PageResult) must be set in the request attribute '" + + LayoutConstants.ATTR_PAGE + "'</p>"); + out.flush(); + return; + } - final String cssId = regionCssId == null ? regionName : regionCssId; - final Orientation orientation = this.regionOrientation == null ? Orientation.DEFAULT : this.regionOrientation; + final String cssId = regionCssId == null ? regionName : regionCssId; + final Orientation orientation = this.regionOrientation == null ? Orientation.DEFAULT + : this.regionOrientation; - if (page.getRegion(regionName) == null) // non-window display of content - { - // Create a dummy region obj, based on region name - RegionRendererContext rrc = new RegionRendererContext() - { - public String getId() - { - return regionName; - } + if (page.getRegion(regionName) == null) // non-window display of content + { + // Create a dummy region obj, based on region name + RegionRendererContext rrc = new RegionRendererContext() { + public String getId() { + return regionName; + } - public Collection getWindows() - { - return Collections.EMPTY_LIST; - } + public Collection getWindows() { + return Collections.EMPTY_LIST; + } - public PageRendererContext getPage() - { - return null; - } + public PageRendererContext getPage() { + return null; + } - public Orientation getOrientation() - { - return orientation; - } + public Orientation getOrientation() { + return orientation; + } - public String getCSSId() - { - return cssId; - } + public String getCSSId() { + return cssId; + } - public String getProperty(String name) - { - return null; - } + public String getProperty(String name) { + return null; + } - public Map getProperties() - { - return Collections.EMPTY_MAP; - } - }; + public Map getProperties() { + return Collections.EMPTY_MAP; + } + }; - JSPRendererContext renderContext = (JSPRendererContext)request.getAttribute(LayoutConstants.ATTR_RENDERCONTEXT); - try - { - PrintWriter pw = new PrintWriter(out); - renderContext.setWriter(pw); - renderContext.render(rrc); - pw.flush(); - } - catch (RenderException e) - { - throw new JspException(e); - } - } - else - { - // window-centric display of content - JSPRendererContext renderContext = (JSPRendererContext)request.getAttribute(LayoutConstants.ATTR_RENDERCONTEXT); - if (renderContext == null) - { - log.debug("no render context available in request"); - return; - } + JSPRendererContext renderContext = (JSPRendererContext) request + .getAttribute(LayoutConstants.ATTR_RENDERCONTEXT); + try { + PrintWriter pw = new PrintWriter(out); + renderContext.setWriter(pw); + renderContext.render(rrc); + pw.flush(); + } catch (RenderException e) { + throw new JspException(e); + } + } else { + // window-centric display of content + JSPRendererContext renderContext = (JSPRendererContext) request + .getAttribute(LayoutConstants.ATTR_RENDERCONTEXT); + if (renderContext == null) { + log.debug("no render context available in request"); + return; + } - final RegionRendererContext region = page.getRegion(regionName); - RegionRendererContext rrc = new RegionRendererContext() - { - public String getId() - { - return region.getId(); - } + final RegionRendererContext region = page.getRegion(regionName); + RegionRendererContext rrc = new RegionRendererContext() { + public String getId() { + return region.getId(); + } - public Collection getWindows() - { - return region.getWindows(); - } + public Collection getWindows() { + return region.getWindows(); + } - public Orientation getOrientation() - { - return orientation; - } + public Orientation getOrientation() { + return orientation; + } - public String getCSSId() - { - return cssId; - } + public String getCSSId() { + return cssId; + } - public String getProperty(String name) - { - return region.getProperty(name); - } + public String getProperty(String name) { + return region.getProperty(name); + } - public Map getProperties() - { - return region.getProperties(); - } - }; - try - { - PrintWriter pw = new PrintWriter(out); - renderContext.setWriter(pw); - renderContext.render(rrc); - pw.flush(); - } - catch (RenderException e) - { - throw new JspException(e); - } + public Map getProperties() { + return region.getProperties(); + } + }; + + if (dndEnabled != null) + rrc.getProperties().put(DynaRenderOptions.DND_ENABLED, + dndEnabled); + + if (partialRefreshEnabled != null) + rrc.getProperties().put(DynaRenderOptions.PARTIAL_REFRESH_ENABLED, + partialRefreshEnabled); + + try { + PrintWriter pw = new PrintWriter(out); + renderContext.setWriter(pw); + renderContext.render(rrc); + pw.flush(); + } catch (RenderException e) { + throw new JspException(e); + } - log.debug("done rendering page region [" + regionName + "]"); - } - } + log.debug("done rendering page region [" + regionName + "]"); + } + } - // ------ attribute handlers + // ------ attribute handlers - /** - * Attribute handler for the orientation attribute of this tag - * - * @param orientation the orientation attribute value set in the hosting jsp - */ - public void setOrientation(String orientation) - { - if (orientation == null) - { - log.error("no null value allowed"); - } + /** + * Attribute handler for the orientation attribute of this tag + * + * @param orientation + * the orientation attribute value set in the hosting jsp + */ + public void setOrientation(String orientation) { + if (orientation == null) { + log.error("no null value allowed"); + } - try - { - this.regionOrientation = Orientation.parse(orientation); - } - catch (IllegalArgumentException e) - { - log.error(e); - this.regionOrientation = Orientation.DEFAULT; - } - } + try { + this.regionOrientation = Orientation.parse(orientation); + } catch (IllegalArgumentException e) { + log.error(e); + this.regionOrientation = Orientation.DEFAULT; + } + } - /** - * Attribute handler for the region name attribute of this tag - * - * @param regionName the name of the region this tag should render the markup for - */ - public void setRegionName(String regionName) - { - this.regionName = regionName; - } + /** + * Attribute handler for the region name attribute of this tag + * + * @param regionName + * the name of the region this tag should render the markup for + */ + public void setRegionName(String regionName) { + this.regionName = regionName; + } - /** - * Attribute handler for the region id attribute of this tag <p>The region Id can be used as the value of the id - * attribute of the region container tag. In case of the DivRenderer render set, this is the id attribute of the div - * tag that represents this region on the page.</p> - * - * @param regionID the id attribute value to set for this tag - */ - public void setRegionID(String regionID) - { - this.regionCssId = regionID; - } + /** + * Attribute handler for the region id attribute of this tag + * <p> + * The region Id can be used as the value of the id attribute of the region + * container tag. In case of the DivRenderer render set, this is the id + * attribute of the div tag that represents this region on the page. + * </p> + * + * @param regionID + * the id attribute value to set for this tag + */ + public void setRegionID(String regionID) { + this.regionCssId = regionID; + } + + /** + * Attribute handler for the drag and drop of this tag + * <p> + * This field enables drag and drop on a chosen region + * </p> + * + * @param dndEnabled + * it can be true or false + */ + public void setDndEnabled(String dndEnabled) { + this.dndEnabled = dndEnabled; + } + + /** + * Attribute handler for the partial refresh of this tag + * <p> + * This field enables partial refresh on a chosen region + * </p> + * + * @param partialRefreshEnabled + * it can be true or false + */ + public void setPartialRefreshEnabled(String partialRefreshEnabled) { + this.partialRefreshEnabled = partialRefreshEnabled; + } }