Author: abelevich Date: 2007-05-02 11:46:56 -0400 (Wed, 02 May 2007) New Revision: 612 Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnVisitor.java trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnWalker.java Modified: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java Log: Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnVisitor.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnVisitor.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnVisitor.java 2007-05-02 15:46:56 UTC (rev 612) @@ -0,0 +1,18 @@ +/** + * + */ +package org.richfaces.renderkit.html; + +import java.io.IOException; + +import javax.faces.component.UIComponent; +import javax.faces.context.FacesContext; +import javax.faces.context.ResponseWriter; + +/** + * @author Anton Belevich + * + */ +public interface ColumnVisitor { + public void visit(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException; +} Added: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnWalker.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnWalker.java (rev 0) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ColumnWalker.java 2007-05-02 15:46:56 UTC (rev 612) @@ -0,0 +1,48 @@ +/** + * + */ +package org.richfaces.renderkit.html; + +import java.io.IOException; +import java.util.Iterator; + +import javax.faces.component.UIColumn; +import javax.faces.component.UIComponent; +import javax.faces.context.FacesContext; +import javax.faces.context.ResponseWriter; + +import org.ajax4jsf.framework.renderer.RendererUtils.HTML; + +/** + * @author Anton Belevich + * + */ +public class ColumnWalker { + + static void iterateOverKids(FacesContext context, UIComponent component, ColumnVisitor visitor, ResponseWriter writer) throws IOException{ + + if(context == null || component == null){ + throw new NullPointerException(); + } + + if(!component.isRendered()){ + return ; + } + + if(null != component.getChildren()){ + writer.startElement(HTML.TR_ELEMENT, component); + writer.writeText("\n", null); + + for (Iterator iter = component.getChildren().iterator(); iter.hasNext(); ) { + UIComponent kid = (UIComponent) iter.next(); + if (kid.isRendered()) { + if (kid instanceof UIColumn){ + visitor.visit(context, kid, writer); + } + } + } + writer.endElement(HTML.TR_ELEMENT); + writer.writeText("\n", null); + } + } +} Modified: trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java =================================================================== --- trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java 2007-05-02 15:46:36 UTC (rev 611) +++ trunk/sandbox/scrollable-grid/src/main/java/org/richfaces/renderkit/html/ScrollableGridBaseRenderer.java 2007-05-02 15:46:56 UTC (rev 612) @@ -1,7 +1,12 @@ package org.richfaces.renderkit.html; +import java.io.IOException; + +import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; +import javax.faces.context.ResponseWriter; +import org.ajax4jsf.framework.renderer.RendererUtils.HTML; import org.richfaces.component.UIScrollableGrid; import org.richfaces.renderkit.CompositeRenderer; @@ -11,7 +16,55 @@ */ public abstract class ScrollableGridBaseRenderer extends CompositeRenderer { + + private final String FOOTER_PART = "footer"; + private final String HEADER_PART = "header"; + + + private final ColumnVisitor headerRenderer = new ColumnVisitor(){ + + public void visit(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException { + + writer.startElement(HTML.td_ELEM, component); + writer.writeText("\n", null); + + if(component.getFacet(HEADER_PART) != null){ + component = component.getFacet(HEADER_PART); + renderChild(context, component); + } + writer.endElement(HTML.td_ELEM); + writer.writeText("\n", null); + } + }; + + private final ColumnVisitor footerRenderer = new ColumnVisitor(){ + + public void visit(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException { + writer.startElement(HTML.td_ELEM, component); + writer.writeText("\n", null); + + if(component.getFacet(FOOTER_PART) != null){ + component = component.getFacet(HEADER_PART); + renderChild(context, component); + } + writer.endElement(HTML.td_ELEM); + writer.writeText("\n", null); + } + }; + + private final ColumnVisitor bodyRenderer = new ColumnVisitor(){ + + public void visit(FacesContext context, UIComponent component, ResponseWriter writer) throws IOException { + writer.startElement(HTML.td_ELEM, component); + writer.writeText("\n", null); + renderChildren(context, component); + writer.endElement(HTML.td_ELEM); + writer.writeText("\n", null); + } + }; + + protected String getJavaScriptVarName(FacesContext context, UIScrollableGrid grid) { String id = grid.getBaseClientId(context); return "Richfaces_ScrollableGrid_" + id.replaceAll("[^A-Za-z0-9_]", "_"); @@ -20,4 +73,22 @@ protected String getScriptContributions(FacesContext context, UIScrollableGrid grid) { return super.getScriptContributions(getJavaScriptVarName(context, grid), context, grid); } + + public boolean getRendersChildren() { + return true; + } + + protected void doEncodeChildren(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException { + ColumnWalker.iterateOverKids(context, component, bodyRenderer, writer); + } + + public void renderHeaders(FacesContext context, UIComponent component)throws IOException{ + ResponseWriter writer = context.getResponseWriter(); + ColumnWalker.iterateOverKids(context, component, headerRenderer, writer); + } + + public void renderFooters(FacesContext context, UIComponent component) throws IOException{ + ResponseWriter writer = context.getResponseWriter(); + ColumnWalker.iterateOverKids(context, component, footerRenderer, writer); + } }