package org.apache.myfaces.tobago.facelets;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
import com.sun.facelets.FaceletContext;
import com.sun.facelets.tag.MetaRule;
import com.sun.facelets.tag.Metadata;
import com.sun.facelets.tag.MetadataTarget;
import com.sun.facelets.tag.TagAttribute;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.UIFlowLayout;
import org.apache.myfaces.tobago.layout.Measure;
import org.apache.myfaces.tobago.layout.TextAlign;
public class FlowLayoutRule extends MetaRule {
public static final FlowLayoutRule INSTANCE = new FlowLayoutRule();
public Metadata applyRule(String name, TagAttribute attribute, MetadataTarget metadataTarget) {
if (metadataTarget.isTargetInstanceOf(UIFlowLayout.class)) {
if (attribute.isLiteral()) {
if (Attributes.TEXT_ALIGN.equals(name)) {
return new TextAlignMapper(attribute);
}
if (Attributes.MARGIN_LEFT.equals(name)) {
return new MarginLeftMapper(attribute);
}
if (Attributes.MARGIN_TOP.equals(name)) {
return new MarginTopMapper(attribute);
}
if (Attributes.MARGIN_RIGHT.equals(name)) {
return new MarginRightMapper(attribute);
}
if (Attributes.MARGIN_BOTTOM.equals(name)) {
return new MarginBottomMapper(attribute);
}
if (Attributes.MARGIN.equals(name)) {
return new MarginMapper(attribute);
}
}
}
return null;
}
static final class TextAlignMapper extends Metadata {
private final TagAttribute attribute;
TextAlignMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setTextAlign(TextAlign.parse(attribute.getValue()));
}
}
static final class MarginLeftMapper extends Metadata {
private final TagAttribute attribute;
MarginLeftMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setMarginLeft(Measure.valueOf(attribute.getValue()));
}
}
static final class MarginTopMapper extends Metadata {
private final TagAttribute attribute;
MarginTopMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setMarginTop(Measure.valueOf(attribute.getValue()));
}
}
static final class MarginRightMapper extends Metadata {
private final TagAttribute attribute;
MarginRightMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setMarginRight(Measure.valueOf(attribute.getValue()));
}
}
static final class MarginBottomMapper extends Metadata {
private final TagAttribute attribute;
MarginBottomMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setMarginBottom(Measure.valueOf(attribute.getValue()));
}
}
static final class MarginMapper extends Metadata {
private final TagAttribute attribute;
MarginMapper(TagAttribute attribute) {
this.attribute = attribute;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
UIFlowLayout gridLayout = (UIFlowLayout) instance;
gridLayout.setMargin(Measure.valueOf(attribute.getValue()));
}
}
}