com.sencha.gxt.theme.base.client.status.StatusBaseAppearance.java Source code

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Here is the source code for com.sencha.gxt.theme.base.client.status.StatusBaseAppearance.java

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/**
 * Sencha GXT 3.0.1 - Sencha for GWT
 * Copyright(c) 2007-2012, Sencha, Inc.
 * licensing@sencha.com
 *
 * http://www.sencha.com/products/gxt/license/
 */
package com.sencha.gxt.theme.base.client.status;

import com.google.gwt.resources.client.CssResource;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.sencha.gxt.core.client.XTemplates;
import com.sencha.gxt.core.client.dom.XElement;
import com.sencha.gxt.core.client.util.IconHelper;
import com.sencha.gxt.widget.core.client.Status;

public abstract class StatusBaseAppearance implements Status.StatusAppearance {

    public interface StatusResources {

        ImageResource loading();

        StatusStyle style();

    }

    public interface StatusStyle extends CssResource {

        String status();

        String statusIcon();

        String statusText();

    }

    public interface Template extends XTemplates {

        @XTemplate(source = "Status.html")
        SafeHtml template(StatusStyle style);

    }

    private final StatusResources resources;
    private final StatusStyle style;
    private Template template;

    public StatusBaseAppearance(StatusResources resources, Template template) {
        this.resources = resources;
        style = resources.style();
        style.ensureInjected();

        this.template = template;
    }

    @Override
    public XElement getTextElem(XElement parent) {
        return parent.selectNode("." + style.statusText());
    }

    @Override
    public void render(SafeHtmlBuilder sb) {
        sb.append(template.template(style));
    }

    @Override
    public ImageResource getBusyIcon() {
        return resources.loading();
    }

    @Override
    public void onUpdateIcon(XElement parent, ImageResource icon) {
        XElement iconWrap = parent.selectNode("." + style.statusIcon());
        iconWrap.setVisible(icon != null);
        if (icon != null) {
            iconWrap.removeChildren();
            iconWrap.appendChild(IconHelper.getElement(icon));
        }
    }

}