Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
AbstractPostfield |
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| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.wml; |
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16 | ||
17 | import org.apache.tapestry.IMarkupWriter; |
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18 | import org.apache.tapestry.IRequestCycle; |
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19 | import org.apache.tapestry.form.AbstractFormComponent; |
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20 | ||
21 | /** |
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22 | * A base class for building components that correspond to WML postfield elements. All such |
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23 | * components must be wrapped (directly or indirectly) by a {@link Go}component. |
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24 | * |
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25 | * @author David Solis |
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26 | * @since 3.0 |
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27 | */ |
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28 | ||
29 | 0 | public abstract class AbstractPostfield extends AbstractFormComponent |
30 | { |
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31 | /** |
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32 | * @see org.apache.tapestry.form.AbstractFormComponent#renderFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle) |
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33 | */ |
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34 | protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
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35 | { |
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36 | 0 | writer.beginEmpty("postfield"); |
37 | ||
38 | 0 | writer.attribute("name", getName()); |
39 | ||
40 | 0 | String varName = getVarName(); |
41 | 0 | writer.attributeRaw("value", varName != null ? getEncodedVarName(varName) : ""); |
42 | ||
43 | 0 | renderInformalParameters(writer, cycle); |
44 | ||
45 | 0 | writer.closeTag(); |
46 | 0 | } |
47 | ||
48 | private String getEncodedVarName(String varName) |
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49 | { |
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50 | 0 | return "$(" + varName + ")"; |
51 | } |
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52 | ||
53 | public boolean isDisabled() |
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54 | { |
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55 | 0 | return false; |
56 | } |
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57 | ||
58 | public abstract String getVarName(); |
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59 | ||
60 | public void updateValue(Object value) |
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61 | { |
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62 | 0 | getBinding("value").setObject(value); |
63 | 0 | } |
64 | } |