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| org.apache.click.util</FONT> | |
| <BR> | |
| Annotation Type Bindable</H2> | |
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| <DL> | |
| <DT><PRE><FONT SIZE="-1"><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/Target.html" title="class or interface in java.lang.annotation">@Target</A>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/Target.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/ElementType.html#FIELD" title="class or interface in java.lang.annotation">FIELD</A>) | |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/Retention.html" title="class or interface in java.lang.annotation">@Retention</A>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/Retention.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/annotation/RetentionPolicy.html#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</A>) | |
| </FONT>public @interface <B>Bindable</B></DL> | |
| </PRE> | |
| <P> | |
| Provides a Page field auto binding annotation. Please see the user guide | |
| sections on <a href="../../../../../user-guide/html/ch05s02.html#application-autobinding">Autobinding</a> | |
| and <a href="../../../../../user-guide/html/ch05s02.html#application-autobinding-annotation">Autobinding Using Annotations</a> | |
| for a detailed description of Page field binding. | |
| <p/> | |
| Bindable can bind private, protected and public Page fields. | |
| <p/> | |
| Note if a @Bindable field's visibility is not public then Click will set | |
| the field to be accessible using reflection. If the Java application server | |
| has restricted security policies in place then this may cause a | |
| SecurityException to be thrown. In these environments you can either modify | |
| your fields visibility to be public or modify your servers Java security | |
| policy. | |
| <h3>Configuration</h3> | |
| By default "<tt>autobinding</tt>" will bind both public page | |
| fields and fields annotated with the @Bindable annotations. If you do not | |
| want <tt>"public"</tt> fields to be bindable you can set the autobinding | |
| attribute to "<tt>annotation</tt>" in your <tt>click.xml</tt> config file: | |
| <pre class="prettyprint"> | |
| <click-app> | |
| <pages package="com.mycorp.page" autobinding="annotation"/> | |
| </click-app> </pre> | |
| <h3>Bindable Example</h3> | |
| Below is an example using of page fields annotated with the @Bindable | |
| annotation: | |
| <pre class="prettyprint"> | |
| public class BindableDemo extends Page { | |
| // ActionLink automatically added to Page control list | |
| @Bindable protected ActionLink link = new ActionLink(); | |
| // Message string is automatically added to Page model | |
| @Bindable protected String message; | |
| public BindableDemo() { | |
| // Listener method invoked when link clicked | |
| link.setActionListener(new ActionListener() { | |
| public boolean onAction(Control source) { | |
| // message added to page mode and rendered in template | |
| message = "I was clicked"; | |
| return true; | |
| } | |
| }); | |
| } | |
| } </pre> | |
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subDecorations=PR_TAG_LEXER(chunk,start);PR_spliceArrayInto(subDecorations,decorations,i,2);i+=subDecorations.length-2;}}return decorations;}function PR_splitSourceNodes(source,decorations){for(var i=0;i<decorations.length;i+=2){var style=decorations[i+1];if(style==PR_SOURCE){var start=decorations[i];var end=i+2<decorations.length?decorations[i+2]:source.length;var subDecorations=PR_decorateSource(source.substring(start,end));for(var j=0,m=subDecorations.length;j<m;j+=2){subDecorations[j]+=start;}PR_spliceArrayInto(subDecorations,decorations,i,2);i+=subDecorations.length-2;}}return decorations;}function PR_splitSourceAttributes(source,decorations){var nextValueIsSource=false;for(var i=0;i<decorations.length;i+=2){var style=decorations[i+1];if(style===PR_ATTRIB_NAME){var start=decorations[i];var end=i+2<decorations.length?decorations[i+2]:source.length;nextValueIsSource=/^on|^style$/i.test(source.substring(start,end));}else if(style==PR_ATTRIB_VALUE){if(nextValueIsSource){var start=decorations[i];var end=i+2<decorations.length?decorations[i+2]:source.length;var attribValue=source.substring(start,end);var attribLen=attribValue.length;var quoted=(attribLen>=2&&/^["\']/.test(attribValue)&&attribValue.charAt(0)===attribValue.charAt(attribLen-1));var attribSource;var attribSourceStart;var attribSourceEnd;if(quoted){attribSourceStart=start+1;attribSourceEnd=end-1;attribSource=attribValue;}else{attribSourceStart=start+1;attribSourceEnd=end-1;attribSource=attribValue.substring(1,attribValue.length-1);}var attribSourceDecorations=PR_decorateSource(attribSource);for(var j=0,m=attribSourceDecorations.length;j<m;j+=2){attribSourceDecorations[j]+=attribSourceStart;}if(quoted){attribSourceDecorations.push(attribSourceEnd,PR_ATTRIB_VALUE);PR_spliceArrayInto(attribSourceDecorations,decorations,i+2,0);}else{PR_spliceArrayInto(attribSourceDecorations,decorations,i,2);}}nextValueIsSource=false;}}return decorations;}function PR_decorateSource(sourceCode){var decorations=PR_splitStringAndCommentTokens(sourceCode);decorations=PR_splitNonStringNonCommentTokens(sourceCode,decorations);return decorations;}function PR_decorateMarkup(sourceCode){var decorations=PR_tokenizeMarkup(sourceCode);decorations=PR_splitTagAttributes(sourceCode,decorations);decorations=PR_splitSourceNodes(sourceCode,decorations);decorations=PR_splitSourceAttributes(sourceCode,decorations);return decorations;}function PR_recombineTagsAndDecorations(sourceText,extractedTags,decorations){var html=[];var outputIdx=0;var openDecoration=null;var currentDecoration=null;var tagPos=0;var decPos=0;var tabExpander=PR_tabExpander(PR_TAB_WIDTH);function emitTextUpTo(sourceIdx){if(sourceIdx>outputIdx){if(openDecoration&&openDecoration!==currentDecoration){html.push('</span>');openDecoration=null;}if(!openDecoration&¤tDecoration){openDecoration=currentDecoration;html.push('<span class="',openDecoration,'">');}var htmlChunk=PR_textToHtml(tabExpander(sourceText.substring(outputIdx,sourceIdx))).replace(/(\r\n?|\n| ) /g,'$1 ').replace(/\r\n?|\n/g,' <br>');html.push(htmlChunk);outputIdx=sourceIdx;}}while(true){var outputTag;if(tagPos<extractedTags.length){if(decPos<decorations.length){outputTag=extractedTags[tagPos]<=decorations[decPos];}else{outputTag=true;}}else{outputTag=false;}if(outputTag){emitTextUpTo(extractedTags[tagPos]);if(openDecoration){html.push('</span>');openDecoration=null;}html.push(extractedTags[tagPos+1]);tagPos+=2;}else if(decPos<decorations.length){emitTextUpTo(decorations[decPos]);currentDecoration=decorations[decPos+1];decPos+=2;}else{break;}}emitTextUpTo(sourceText.length);if(openDecoration){html.push('</span>');}return html.join('');}function prettyPrintOne(sourceCodeHtml){try{var sourceAndExtractedTags=PR_extractTags(sourceCodeHtml);var source=sourceAndExtractedTags.source;var extractedTags=sourceAndExtractedTags.tags;var isMarkup=/^\s*</.test(source)&&/>\s*$/.test(source);var decorations=isMarkup?PR_decorateMarkup(source):PR_decorateSource(source);return PR_recombineTagsAndDecorations(source,extractedTags,decorations);}catch(e){if('console'in window){console.log(e);console.trace();}return sourceCodeHtml;}}var PR_SHOULD_USE_CONTINUATION=true;function prettyPrint(opt_whenDone){var codeSegments=[document.getElementsByTagName('pre'),document.getElementsByTagName('code'),document.getElementsByTagName('xmp')];var elements=[];for(var i=0;i<codeSegments.length;++i){for(var j=0;j<codeSegments[i].length;++j){elements.push(codeSegments[i][j]);}}codeSegments=null;var k=0;function doWork(){var endTime=(PR_SHOULD_USE_CONTINUATION?new Date().getTime()+250:Infinity);for(;k<elements.length&&new Date().getTime()<endTime;k++){var cs=elements[k];if(cs.className&&cs.className.indexOf('prettyprint')>=0){var nested=false;for(var 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