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| package org.apache.tapestry.components; |
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| import org.apache.hivemind.HiveMind; |
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| import org.apache.tapestry.AbstractComponent; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.IRequestCycle; |
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| public abstract class ElseBean extends AbstractComponent |
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| { |
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| public abstract String getElement(); |
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| protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
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| { |
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| Object conditionObject = cycle.getAttribute(IfBean.IF_VALUE_ATTRIBUTE);
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| if (conditionObject instanceof Boolean && !((Boolean) conditionObject).booleanValue())
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| { |
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| String element = getElement();
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| boolean render = !cycle.isRewinding() && HiveMind.isNonBlank(element);
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| if (render)
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| { |
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| writer.begin(element);
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| renderInformalParameters(writer, cycle);
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| } |
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| renderBody(writer, cycle);
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| if (render)
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| writer.end(element);
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| } |
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| } |
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| } |