xapi.gwt.ui.autoui.client.ToHtmlUiRenderer Maven / Gradle / Ivy

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Everything needed to run a comprehensive dev environment. Just type X_ and pick a service from autocomplete; new dev modules will be added as they are built. The only dev service not included in the uber jar is xapi-dev-maven, as it includes all runtime dependencies of maven, adding ~4 seconds to build time, and 6 megabytes to the final output jar size (without xapi-dev-maven, it's ~1MB).

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package xapi.gwt.ui.autoui.client;

import xapi.gwt.ui.autoui.api.IsSafeHtmlBuilder;
import xapi.ui.autoui.api.UiRenderer;
import xapi.ui.autoui.api.UiRendererSelector;
import xapi.ui.autoui.api.UiRenderingContext;
import xapi.ui.autoui.api.UserInterface;

import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;

public class ToHtmlUiRenderer implements UiRenderer, UiRendererSelector {

  @Override
  public UiRenderer renderInto(UserInterface ui, UiRenderingContext ctx, String path, T data) {
    assert (ui instanceof IsSafeHtmlBuilder);
    SafeHtmlBuilder out = ((IsSafeHtmlBuilder)ui).getSafeHtmlBuilder();
    if (ctx.isTemplateSet()) {
      String html = ctx.applyTemplate(path, data);
      out.appendHtmlConstant(html);
    } else {
      if (data instanceof SafeHtml) {
        out.appendHtmlConstant(((SafeHtml)data).asString());
      } else {
        out.appendHtmlConstant(String.valueOf(data));
      }
    }
    return this;
  }

  @Override
  public boolean useRenderer(UserInterface ui, UiRenderer renderer, String path, Object o) {
    return ui instanceof IsSafeHtmlBuilder;
  }

}