EditRulePage.java

package com.philemonworks.critter.ui;

import static org.rendersnake.HtmlAttributesFactory.*;

import java.io.IOException;

import org.rendersnake.HtmlCanvas;
import org.rendersnake.Renderable;

// TODO http://codemirror.net/doc/manual.html
public class EditRulePage implements Renderable {

    @Override
    // formatter:off
    public void renderOn(HtmlCanvas html) throws IOException {
        String rulexml = html.getPageContext().getString("rulexml");

        String alert = html.getPageContext().getString("alert");
        if (alert != null) {
            html.div(id("alertmessage")).content(alert, false);
        }

        html.h3().content("Edit the rule");

        html.form(id("newrule").action(String.format("/ui/rules/%s/edit", html.getPageContext().getString("id"))).method("post"));

        html.div(dataRole("fieldcontain"))
                .label(for_("rulexml"))
                .content("xml definition:")
                .textarea(name("rulexml")
                        .id("rulexml")
                        .rows("10")
                        .style("font-size:small;font-family:\"Lucida Console\", Monaco, monospace")).content(rulexml)

                ._div();

        this.renderFullExampleOn(html);

        html.render(new SubmitCancel("newrule"));

        html._form();
    }

    private void renderFullExampleOn(HtmlCanvas html) throws IOException {
        html.a(href("/example").rel("external").target("_blank"))
                .content("Rule example with all features");
    }
}