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20 package org.apache.myfaces.tobago.internal.renderkit.renderer;
21
22 import org.apache.myfaces.tobago.component.RendererTypes;
23 import org.apache.myfaces.tobago.component.Tags;
24 import org.apache.myfaces.tobago.context.Markup;
25 import org.apache.myfaces.tobago.internal.component.AbstractUIGridLayout;
26 import org.apache.myfaces.tobago.internal.component.AbstractUIStyle;
27 import org.apache.myfaces.tobago.layout.Measure;
28 import org.apache.myfaces.tobago.layout.MeasureList;
29 import org.apache.myfaces.tobago.renderkit.RendererBase;
30 import org.apache.myfaces.tobago.renderkit.css.TobagoClass;
31 import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
32 import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
33 import org.apache.myfaces.tobago.renderkit.html.HtmlRoleValues;
34 import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
35
36 import javax.faces.context.FacesContext;
37 import java.io.IOException;
38
39 public class GridLayoutRenderer<T extends AbstractUIGridLayout> extends RendererBase<T> {
40
41 @Override
42 public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException {
43 final TobagoResponseWriter writer = getResponseWriter(facesContext);
44 final Markup markup = component.getMarkup();
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46 writer.startElement(HtmlElements.DIV);
47 writer.writeAttribute(HtmlAttributes.ROLE, HtmlRoleValues.PRESENTATION.toString(), false);
48 writer.writeIdAttribute(component.getClientId(facesContext));
49 writer.writeClassAttribute(
50 TobagoClass.GRID_LAYOUT,
51 TobagoClass.GRID_LAYOUT.createMarkup(markup),
52 markup != null && markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null);
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54 final MeasureList columns = MeasureList.parse(component.getColumns());
55 final MeasureList rows = MeasureList.parse(component.getRows());
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57 final AbstractUIStyle style = (AbstractUIStyle) facesContext.getApplication().createComponent(
58 facesContext, Tags.style.componentType(), RendererTypes.Style.name());
59 style.setTransient(true);
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66
67 if (columns.stream().anyMatch(measure -> Measure.Unit.AUTO.equals(measure.getUnit()))
68 && columns.stream().noneMatch(measure -> Measure.Unit.FR.equals(measure.getUnit()))) {
69 columns.add(new Measure(1, Measure.Unit.FR));
70 }
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72 style.setGridTemplateColumns(columns.serialize());
73 style.setGridTemplateRows(rows.serialize());
74 component.getChildren().add(style);
75 }
76
77 @Override
78 public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException {
79 final TobagoResponseWriter writer = getResponseWriter(facesContext);
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81 writer.endElement(HtmlElements.DIV);
82 }
83 }