1 18 package org.apache.beehive.netui.tags.rendering; 19 20 import org.apache.beehive.netui.tags.html.HtmlConstants; 21 22 import java.util.HashMap ; 23 24 28 public abstract class OptionTag extends TagHtmlBase implements HtmlConstants 29 { 30 public static void add(HashMap html, HashMap htmlQuirks, HashMap xhtml) 31 { 32 html.put(OPTION_TAG, new HtmlRendering()); 33 htmlQuirks.put(OPTION_TAG, new HtmlRendering()); 34 xhtml.put(OPTION_TAG, new XhtmlRendering()); 35 } 36 37 public static class State extends AbstractHtmlState 38 { 39 public String value; 40 public boolean disabled; 41 public boolean selected; 42 43 public void clear() 44 { 45 super.clear(); 46 47 value = null; 48 disabled = false; 49 selected = false; 50 } 51 } 52 53 public void doStartTag(AbstractRenderAppender sb, AbstractTagState renderState) 54 { 55 assert(sb != null) : "Parameter 'sb' must not be null"; 56 assert(renderState != null) : "Parameter 'renderState' must not be null"; 57 assert(renderState instanceof State) : "Paramater 'renderState' must be an instance of OptionTag.State"; 58 59 State state = (State) renderState; 60 61 renderTag(sb, OPTION); 62 renderAttribute(sb, ID, state.id); 63 renderAttribute(sb, CLASS, state.styleClass); 64 renderAttribute(sb, VALUE, state.value); 65 renderDisabled(sb, state.disabled); 66 renderSelected(sb, state.selected); 67 68 69 renderAttributes(AbstractHtmlState.ATTR_GENERAL, sb, state); 70 renderAttribute(sb, STYLE, state.style); 71 renderAttributes(AbstractHtmlState.ATTR_JAVASCRIPT, sb, state); 72 sb.append(">"); 73 } 74 75 public void doEndTag(AbstractRenderAppender sb) 76 { 77 renderEndTag(sb, OPTION); 78 } 79 80 abstract protected void renderDisabled(AbstractRenderAppender sb, boolean disabled); 81 82 abstract protected void renderSelected(AbstractRenderAppender sb, boolean selected); 83 84 private static class HtmlRendering extends OptionTag 85 { 86 protected void renderDisabled(AbstractRenderAppender sb, boolean disabled) 87 { 88 if (disabled) 89 sb.append(" disabled"); 90 } 91 92 protected void renderSelected(AbstractRenderAppender sb, boolean selected) 93 { 94 if (selected) 95 sb.append(" selected"); 96 } 97 } 98 99 private static class XhtmlRendering extends OptionTag 100 { 101 protected void renderDisabled(AbstractRenderAppender sb, boolean disabled) 102 { 103 if (disabled) 104 renderAttribute(sb, "disabled", "disabled"); 105 } 106 107 protected void renderSelected(AbstractRenderAppender sb, boolean selected) 108 { 109 if (selected) 110 renderAttribute(sb, "selected", "selected"); 111 } 112 } 113 } 114 | Popular Tags |