| Clover coverage report - Code Coverage for tapestry release 4.0.3 |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| Option.java | 90% | 100% | 100% | 96.7% |
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| 1 | // Copyright 2004, 2005 The Apache Software Foundation | |
| 2 | // | |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 | // you may not use this file except in compliance with the License. | |
| 5 | // You may obtain a copy of the License at | |
| 6 | // | |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | // | |
| 9 | // Unless required by applicable law or agreed to in writing, software | |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 | // See the License for the specific language governing permissions and | |
| 13 | // limitations under the License. | |
| 14 | ||
| 15 | package org.apache.tapestry.form; | |
| 16 | ||
| 17 | import org.apache.hivemind.ApplicationRuntimeException; | |
| 18 | import org.apache.tapestry.AbstractComponent; | |
| 19 | import org.apache.tapestry.IMarkupWriter; | |
| 20 | import org.apache.tapestry.IRequestCycle; | |
| 21 | import org.apache.tapestry.Tapestry; | |
| 22 | ||
| 23 | /** | |
| 24 | * A component that renders an HTML <option> form element. Such a component must be wrapped | |
| 25 | * (possibly indirectly) inside a {@link Select}component. [ <a | |
| 26 | * href="../../../../../ComponentReference/Option.html">Component Reference </a>] | |
| 27 | * | |
| 28 | * @author Howard Lewis Ship | |
| 29 | */ | |
| 30 | ||
| 31 | public abstract class Option extends AbstractComponent | |
| 32 | { | |
| 33 | /** | |
| 34 | * Renders the <option> element, or responds when the form containing the element is | |
| 35 | * submitted (by checking {@link Form#isRewinding()}. | |
| 36 | * <p> | |
| 37 | * If the <code>label</code> property is set, it is inserted inside the <option> | |
| 38 | * element. | |
| 39 | */ | |
| 40 | ||
| 41 | 93 | protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
| 42 | { | |
| 43 | 93 | Select select = Select.get(cycle); |
| 44 | 93 | if (select == null) |
| 45 | 3 | throw new ApplicationRuntimeException(Tapestry |
| 46 | .getMessage("Option.must-be-contained-by-select"), this, null, null); | |
| 47 | ||
| 48 | // It isn't enough to know whether the cycle in general is rewinding, need to know | |
| 49 | // specifically if the form which contains this component is rewinding. | |
| 50 | ||
| 51 | 90 | boolean rewinding = select.isRewinding(); |
| 52 | ||
| 53 | 90 | String value = select.getNextOptionId(); |
| 54 | ||
| 55 | 90 | if (rewinding) |
| 56 | { | |
| 57 | 33 | if (!select.isDisabled()) |
| 58 | 33 | setSelected(select.isSelected(value)); |
| 59 | ||
| 60 | 33 | renderBody(writer, cycle); |
| 61 | } | |
| 62 | else | |
| 63 | { | |
| 64 | 57 | writer.begin("option"); |
| 65 | ||
| 66 | 57 | writer.attribute("value", value); |
| 67 | ||
| 68 | 57 | if (isSelected()) |
| 69 | 12 | writer.attribute("selected", "selected"); |
| 70 | ||
| 71 | 57 | renderInformalParameters(writer, cycle); |
| 72 | ||
| 73 | 57 | String label = getLabel(); |
| 74 | ||
| 75 | 57 | if (label != null) |
| 76 | 42 | writer.print(label); |
| 77 | ||
| 78 | 57 | renderBody(writer, cycle); |
| 79 | ||
| 80 | 57 | writer.end(); |
| 81 | } | |
| 82 | ||
| 83 | } | |
| 84 | ||
| 85 | public abstract String getLabel(); | |
| 86 | ||
| 87 | public abstract boolean isSelected(); | |
| 88 | ||
| 89 | public abstract void setSelected(boolean selected); | |
| 90 | } |
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