com.google.gwt.uibinder.elementparsers.HasAlignmentParser Maven / Gradle / Ivy
/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.uibinder.elementparsers;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.uibinder.rebind.UiBinderWriter;
import com.google.gwt.uibinder.rebind.XMLElement;
import com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant;
import com.google.gwt.user.client.ui.HasVerticalAlignment.VerticalAlignmentConstant;
/**
* Parses widgets that inherit from
* {@link com.google.gwt.user.client.ui.HasAlignment}.
* This class is needed to resolve the parse order of alignment attributes for
* these classes.
*
*
* See {@link "http://code.google.com/p/google-web-toolkit/issues/detail?id=5518"}
* for issue details.
*/
public class HasAlignmentParser implements ElementParser {
public void parse(XMLElement elem, String fieldName, JClassType type,
UiBinderWriter writer) throws UnableToCompleteException {
// Get fully qualified class name for horizontal alignment
JClassType hAlignConstantType = writer.getOracle().findType(
HorizontalAlignmentConstant.class.getCanonicalName());
// Get horizontal alignment value
String horizontalAlignment = elem.consumeAttributeWithDefault(
"horizontalAlignment", null, hAlignConstantType);
// Set horizontal alignment if not null
if (horizontalAlignment != null) {
writer.addStatement("%s.setHorizontalAlignment(%s);", fieldName,
horizontalAlignment);
}
// Get fully qualified class name for vertical alignment
JClassType vAlignConstantType = writer.getOracle().findType(
VerticalAlignmentConstant.class.getCanonicalName());
// Get vertical alignment value
String verticalAlignment = elem.consumeAttributeWithDefault(
"verticalAlignment", null, vAlignConstantType);
// Set vertical alignment if not null
if (verticalAlignment != null) {
writer.addStatement("%s.setVerticalAlignment(%s);", fieldName,
verticalAlignment);
}
}
}