| /* |
| * 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. |
| */ |
| |
| package org.apache.myfaces.tobago.internal.renderkit.renderer; |
| |
| import org.apache.myfaces.tobago.component.Attributes; |
| import org.apache.myfaces.tobago.component.LabelLayout; |
| import org.apache.myfaces.tobago.component.SupportsAccessKey; |
| import org.apache.myfaces.tobago.component.SupportsLabelLayout; |
| import org.apache.myfaces.tobago.context.Markup; |
| import org.apache.myfaces.tobago.internal.component.AbstractUIStyle; |
| import org.apache.myfaces.tobago.internal.util.HtmlRendererUtils; |
| import org.apache.myfaces.tobago.internal.util.StringUtils; |
| import org.apache.myfaces.tobago.renderkit.LabelWithAccessKey; |
| import org.apache.myfaces.tobago.renderkit.css.BootstrapClass; |
| import org.apache.myfaces.tobago.renderkit.css.TobagoClass; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlElements; |
| import org.apache.myfaces.tobago.util.ComponentUtils; |
| import org.apache.myfaces.tobago.webapp.TobagoResponseWriter; |
| |
| import javax.faces.component.UIComponent; |
| import javax.faces.context.FacesContext; |
| import java.io.IOException; |
| import java.util.List; |
| |
| /** |
| * Manages the rendering of the <b>label</b> and the <b>field</b> together with different possibilities for the position |
| * of the label (defined by {@link org.apache.myfaces.tobago.component.Attributes#labelLayout} |
| */ |
| public abstract class LabelLayoutRendererBase<T extends UIComponent & SupportsLabelLayout> |
| extends DecodingInputRendererBase<T> { |
| |
| public abstract HtmlElements getComponentTag(); |
| |
| @Override |
| public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException { |
| |
| encodeBeginSurroundingLabel(facesContext, component); |
| |
| if (component.isNextToRenderIsLabel()) { |
| // skip, because its only the lable to render |
| } else { |
| encodeBeginMessageField(facesContext, component); |
| } |
| } |
| |
| @Override |
| public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException { |
| |
| if (component.isNextToRenderIsLabel()) { |
| // skip, because its only the lable to render |
| } else { |
| encodeEndMessageField(facesContext, component); |
| } |
| |
| // render the styles here, because inside of <select> its not possible. |
| if (component.getRendersChildren()) { |
| final List<AbstractUIStyle> children = ComponentUtils.findDescendantList(component, AbstractUIStyle.class); |
| for (final AbstractUIStyle child : children) { |
| child.encodeAll(facesContext); |
| } |
| } |
| |
| encodeEndSurroundingLabel(facesContext, component); |
| } |
| |
| @Override |
| public void encodeChildrenInternal(final FacesContext context, final T component) throws IOException { |
| if (component.getChildCount() > 0) { |
| for (int i = 0, childCount = component.getChildCount(); i < childCount; i++) { |
| final UIComponent child = component.getChildren().get(i); |
| if (!child.isRendered()) { |
| continue; |
| } |
| if (child instanceof AbstractUIStyle) { |
| // will be rendered in {@link #encodeEnd} |
| continue; |
| } |
| |
| child.encodeAll(context); |
| } |
| } |
| } |
| |
| protected abstract void encodeBeginMessageField(FacesContext facesContext, T component) throws IOException; |
| |
| protected abstract void encodeEndMessageField(FacesContext facesContext, T component) throws IOException; |
| |
| protected void encodeBeginSurroundingLabel(final FacesContext facesContext, final T component) |
| throws IOException { |
| |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| String clientId = component.getClientId(facesContext); |
| final Markup markup = (Markup) ComponentUtils.getAttribute(component, Attributes.markup); |
| |
| final LabelLayout labelLayout = component.getLabelLayout(); |
| final boolean nextToRenderIsLabel = component.isNextToRenderIsLabel(); |
| final boolean flex; |
| |
| switch (labelLayout) { |
| case flexLeft: |
| case flexRight: |
| flex = true; |
| break; |
| case segmentLeft: |
| case segmentRight: |
| if (nextToRenderIsLabel) { |
| clientId += ComponentUtils.SUB_SEPARATOR + "label"; |
| } |
| flex = false; |
| break; |
| case flowLeft: |
| case gridLeft: |
| case gridRight: |
| case gridTop: |
| case gridBottom: |
| encodeLabel(facesContext, component, writer, labelLayout); |
| flex = false; |
| break; |
| case none: |
| case top: |
| case flowRight: |
| default: |
| flex = false; |
| } |
| |
| // if (labelLayout == LabelLayout.gridLeft || labelLayout == LabelLayout.gridRight |
| // || labelLayout == LabelLayout.gridTop || labelLayout == LabelLayout.gridBottom) { |
| // writer.startElement(HtmlElements.LABEL); |
| // writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "label"); |
| // } else { |
| if (nextToRenderIsLabel) { |
| // skip, because its only the lable to render |
| } else { |
| writer.startElement(getComponentTag()); |
| writer.writeIdAttribute(clientId); |
| writer.writeClassAttribute( |
| flex ? TobagoClass.LABEL__CONTAINER : null, |
| TobagoClass.MARGIN__BOTTOM, |
| ComponentUtils.getBooleanAttribute(component, Attributes.required) ? TobagoClass.REQUIRED : null, |
| markup != null && markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null); |
| } |
| |
| switch (labelLayout) { |
| case none: |
| case flexRight: |
| case flowRight: |
| case flowLeft: |
| case gridLeft: |
| case gridRight: |
| case gridTop: |
| case gridBottom: |
| break; |
| case segmentLeft: |
| case segmentRight: |
| if (nextToRenderIsLabel) { |
| encodeLabel(facesContext, component, writer, labelLayout); |
| } |
| break; |
| default: |
| encodeLabel(facesContext, component, writer, labelLayout); |
| } |
| |
| // switch (labelLayout) { |
| // case gridLeft: |
| // case gridRight: |
| // case gridTop: |
| // case gridBottom: |
| // writer.endElement(HtmlElements.LABEL); |
| |
| // writer.startElement(getComponentTag()); |
| // writer.writeIdAttribute(clientId); |
| // encodeAttributes(facesContext, component); |
| // writer.writeClassAttribute( |
| // BootstrapClass.MB_3, |
| // ComponentUtils.getBooleanAttribute(component, Attributes.required) ? TobagoClass.REQUIRED : null, |
| // markup != null && markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null); |
| // break; |
| // default: |
| // } |
| } |
| |
| protected void encodeEndSurroundingLabel(final FacesContext facesContext, final T component) |
| throws IOException { |
| |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| final LabelLayout labelLayout = component.getLabelLayout(); |
| |
| if (labelLayout == LabelLayout.flexRight) { |
| encodeLabel(facesContext, component, writer, labelLayout); |
| } |
| |
| final boolean nextToRenderIsLabel = component.isNextToRenderIsLabel(); |
| if (!nextToRenderIsLabel) { |
| writer.endElement(getComponentTag()); |
| } |
| |
| if (labelLayout == LabelLayout.flowRight) { |
| encodeLabel(facesContext, component, writer, labelLayout); |
| } |
| } |
| |
| protected void encodeLabel(final FacesContext facesContext, final T component, |
| final TobagoResponseWriter writer, final LabelLayout labelLayout) |
| throws IOException { |
| // TBD: maybe use an interface for getLabel() |
| final String label = ComponentUtils.getStringAttribute(component, Attributes.label); |
| if (StringUtils.isNotBlank(label)) { |
| writer.startElement(HtmlElements.LABEL); |
| writer.writeAttribute(HtmlAttributes.FOR, getFieldId(facesContext, component), false); |
| writer.writeClassAttribute(BootstrapClass.COL_FORM_LABEL); |
| if (component instanceof SupportsAccessKey) { |
| final LabelWithAccessKey labelWithAccessKey = new LabelWithAccessKey((SupportsAccessKey) component); |
| HtmlRendererUtils.writeLabelWithAccessKey(writer, labelWithAccessKey); |
| } else { |
| writer.writeText(label); |
| } |
| writer.endElement(HtmlElements.LABEL); |
| } |
| } |
| |
| protected abstract String getFieldId(final FacesContext facesContext, final T component); |
| } |