com.google.gwt.query.client.impl.AttributeTridentImpl Maven / Gradle / Ivy
/*
* Copyright 2011, The gwtquery team.
*
* 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.query.client.impl;
import com.google.gwt.dom.client.Element;
/**
* Helper class for setting and getting attribute on an element.
*/
public class AttributeTridentImpl extends AttributeImpl {
/**
* Use {@link AttrNodeSetter} for button element.
*/
protected static class IEValueAttrSetter extends ValueAttrSetter {
private static AttributeSetter INSTANCE;
public static AttributeSetter getInstance() {
if (INSTANCE == null) {
INSTANCE = new IEValueAttrSetter();
}
return INSTANCE;
}
public void setAttribute(Element e, String key, Object value) {
if ("button".equals(e.getTagName())) {
AttrNodeSetter.getInstance().setAttribute(e, key, value);
return;
}
super.setAttribute(e, key, value);
}
}
private static class AttrNodeSetter extends DefaultSetter {
private static AttributeSetter INSTANCE;
public static AttributeSetter getInstance() {
if (INSTANCE == null) {
INSTANCE = new AttrNodeSetter();
}
return INSTANCE;
}
public void setAttribute(Element e, String key, Object value) {
if (!setAttributeNode(e, key, value)) {
super.setAttribute(e, key, value);
}
}
}
private static native String getAttributeNode(Element e, String name) /*-{
var attrNode = e.getAttributeNode(name);
if (attrNode && attrNode.nodeValue !== "") {
return attrNode.nodeValue;
}
return null;
}-*/;
private static native boolean setAttributeNode(Element e, String name,
Object value) /*-{
var attrNode = e.getAttributeNode(name);
if (attrNode) {
attrNode.nodeValue = value;
return true;
}
return false;
}-*/;
@Override
protected Object fixValue(String key, Object value) {
if (("width".equalsIgnoreCase(key) || "height".equalsIgnoreCase(key))
&& (key == null || "".equals(key))) {
return "auto";
}
return value;
}
@Override
protected AttributeSetter getAttributeSetter(String key) {
if (!"className".equals(key)
&& ("name".equals(key) || "title".equals(key) || key.contains(":") || key.startsWith("on"))) {
return AttrNodeSetter.getInstance();
} else if ("value".equals(key)) {
return IEValueAttrSetter.getInstance();
}
return super.getAttributeSetter(key);
}
}