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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.AbstractUIProgress;
26 import org.apache.myfaces.tobago.internal.component.AbstractUIStyle;
27 import org.apache.myfaces.tobago.internal.util.HtmlRendererUtils;
28 import org.apache.myfaces.tobago.internal.util.StyleRenderUtils;
29 import org.apache.myfaces.tobago.layout.Measure;
30 import org.apache.myfaces.tobago.renderkit.RendererBase;
31 import org.apache.myfaces.tobago.renderkit.css.BootstrapClass;
32 import org.apache.myfaces.tobago.renderkit.css.TobagoClass;
33 import org.apache.myfaces.tobago.renderkit.html.Arias;
34 import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
35 import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
36 import org.apache.myfaces.tobago.renderkit.html.HtmlRoleValues;
37 import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
38
39 import javax.faces.context.FacesContext;
40 import java.io.IOException;
41
42 public class ProgressRenderer<T extends AbstractUIProgress> extends RendererBase<T> {
43
44 @Override
45 public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException {
46 final double value = component.getRangeValue();
47 final double max = component.getRangeMax();
48 final double percent = value / max;
49 final Markup markup = component.getMarkup();
50
51 final TobagoResponseWriter writer = getResponseWriter(facesContext);
52
53 writer.startElement(HtmlElements.DIV);
54 final String clientId = component.getClientId(facesContext);
55 writer.writeIdAttribute(clientId);
56 writer.writeClassAttribute(
57 TobagoClass.PROGRESS,
58 TobagoClass.PROGRESS.createMarkup(markup),
59 BootstrapClass.PROGRESS,
60 component.getCustomClass());
61 HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
62
63 writer.startElement(HtmlElements.DIV);
64 writer.writeClassAttribute(BootstrapClass.PROGRESS_BAR);
65 writer.writeAttribute(HtmlAttributes.ROLE, HtmlRoleValues.PROGRESSBAR.toString(), false);
66 writer.writeAttribute(Arias.VALUEMIN, 0);
67 writer.writeAttribute(Arias.VALUEMAX, 100);
68 writer.writeAttribute(Arias.VALUENOW, String.valueOf((int) percent * 100), false);
69
70 final AbstractUIStyle style = (AbstractUIStyle) facesContext.getApplication()
71 .createComponent(facesContext, Tags.style.componentType(), RendererTypes.Style.name());
72 style.setTransient(true);
73 style.setSelector(StyleRenderUtils.encodeIdSelector(clientId) + ">." + BootstrapClass.PROGRESS_BAR.getName());
74 style.setWidth(new Measure(percent * 100, Measure.Unit.PERCENT));
75 component.getChildren().add(style);
76
77 encodeBehavior(writer, facesContext, component);
78 }
79
80 @Override
81 public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException {
82
83 final TobagoResponseWriter writer = getResponseWriter(facesContext);
84 writer.endElement(HtmlElements.DIV);
85 writer.endElement(HtmlElements.DIV);
86 }
87 }