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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
AbstractTextField.java | 92.9% | 95.7% | 100% | 94.9% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.form;
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import org.apache.tapestry.IForm;
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import org.apache.tapestry.IMarkupWriter;
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import org.apache.tapestry.IRequestCycle;
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/**
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* Base class for implementing various types of text input fields. This includes {@link TextField}
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* and {@link org.apache.tapestry.valid.ValidField}.
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*
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* @author Howard Lewis Ship
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* @since 1.0.2
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*/
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public abstract class AbstractTextField extends AbstractFormComponent |
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{ |
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/**
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* Renders the form element, or responds when the form containing the element is submitted (by
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* checking {@link Form#isRewinding()}.
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*/
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protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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IForm form = getForm(cycle); |
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if (form.wasPrerendered(writer, this)) |
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return;
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// It isn't enough to know whether the cycle in general is rewinding, need to know
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// specifically if the form which contains this component is rewinding.
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boolean rewinding = form.isRewinding();
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// If the cycle is rewinding, but the form containing this field is not,
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// then there's no point in doing more work.
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if (!rewinding && cycle.isRewinding())
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return;
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// Used whether rewinding or not.
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String name = form.getElementId(this);
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if (rewinding)
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{ |
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if (!isDisabled())
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{ |
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String value = cycle.getParameter(name); |
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updateValue(value); |
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} |
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return;
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} |
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writer.beginEmpty("input");
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writer.attribute("type", isHidden() ? "password" : "text"); |
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if (isDisabled())
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writer.attribute("disabled", "disabled"); |
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writer.attribute("name", name);
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String value = readValue(); |
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if (value != null) |
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writer.attribute("value", value);
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renderInformalParameters(writer, cycle); |
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beforeCloseTag(writer, cycle); |
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writer.closeTag(); |
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} |
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/**
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* Invoked from {@link #render(IMarkupWriter, IRequestCycle)}just before the tag is closed.
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* This implementation does nothing, subclasses may override.
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*/
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protected void beforeCloseTag(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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// Do nothing.
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} |
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/**
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* Invoked by {@link #render(IMarkupWriter writer, IRequestCycle cycle)}when a value is
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* obtained from the {@link javax.servlet.http.HttpServletRequest}.
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*/
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abstract protected void updateValue(String value); |
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/**
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* Invoked by {@link #render(IMarkupWriter writer, IRequestCycle cycle)}when rendering a
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* response.
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*
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* @return the current value for the field, as a String, or null.
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*/
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abstract protected String readValue();
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public abstract boolean isHidden(); |
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public abstract boolean isDisabled(); |
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} |
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