com.sencha.gxt.theme.base.client.frame.DivFrame.java Source code

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Here is the source code for com.sencha.gxt.theme.base.client.frame.DivFrame.java

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/**
 * Sencha GXT 4.0.0 - Sencha for GWT
 * Copyright (c) 2006-2015, Sencha Inc.
 *
 * licensing@sencha.com
 * http://www.sencha.com/products/gxt/license/
 *
 * ================================================================================
 * Open Source License
 * ================================================================================
 * This version of Sencha GXT is licensed under the terms of the Open Source GPL v3
 * license. You may use this license only if you are prepared to distribute and
 * share the source code of your application under the GPL v3 license:
 * http://www.gnu.org/licenses/gpl.html
 *
 * If you are NOT prepared to distribute and share the source code of your
 * application under the GPL v3 license, other commercial and oem licenses
 * are available for an alternate download of Sencha GXT.
 *
 * Please see the Sencha GXT Licensing page at:
 * http://www.sencha.com/products/gxt/license/
 *
 * For clarification or additional options, please contact:
 * licensing@sencha.com
 * ================================================================================
 *
 *
 * ================================================================================
 * Disclaimer
 * ================================================================================
 * THIS SOFTWARE IS DISTRIBUTED "AS-IS" WITHOUT ANY WARRANTIES, CONDITIONS AND
 * REPRESENTATIONS WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE
 * IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY, MERCHANTABLE QUALITY,
 * FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, NON-INFRINGEMENT, PERFORMANCE AND
 * THOSE ARISING BY STATUTE OR FROM CUSTOM OR USAGE OF TRADE OR COURSE OF DEALING.
 * ================================================================================
 */
package com.sencha.gxt.theme.base.client.frame;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.dom.client.Style.Display;
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.resources.StyleInjectorHelper;
import com.sencha.gxt.core.client.util.Size;

/**
 * <code>Frame</code> implementation that renders its frame using 9 absolutely
 * positioned DIVs.
 * <p/>
 * See <a
 * href='http://code.google.com/p/google-web-toolkit/wiki/CssResourceCookbook'>
 * CssResourceCookbook </a> for more information.
 */
public class DivFrame implements Frame {

    public interface DivFrameResources {

        ImageResource bottomBorder();

        ImageResource bottomLeftBorder();

        ImageResource bottomRightBorder();

        ImageResource leftBorder();

        ImageResource rightBorder();

        DivFrameStyle style();

        ImageResource topBorder();

        ImageResource topLeftBorder();

        ImageResource topRightBorder();
    }

    public interface DivFrameStyle extends CssResource {

        String bottom();

        String bottomLeft();

        String bottomRight();

        String content();

        String contentArea();

        String left();

        String over();

        String pressed();

        String right();

        String top();

        String topLeft();

        String topRight();

    }

    public interface Template extends XTemplates {
        @XTemplate(source = "DivFrame.html")
        SafeHtml render(DivFrameStyle style, SafeHtml content);
    }

    private final DivFrameStyle style;
    private Template template = GWT.create(Template.class);
    private final DivFrameResources resources;

    public DivFrame(DivFrameResources resources) {
        this.resources = resources;
        this.style = resources.style();

        StyleInjectorHelper.ensureInjected(this.style, true);
    }

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

    @Override
    public Size getFrameSize(XElement parent) {
        return new Size(resources.leftBorder().getWidth(), resources.rightBorder().getWidth());
    }

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

    public DivFrameResources getResources() {
        return resources;
    }

    @Override
    public void onFocus(XElement parent, boolean focus) {

    }

    @Override
    public void onHideHeader(XElement parent, boolean hide) {
        XElement header = getHeaderElem(parent);
        if (header != null && header.hasChildNodes()) {
            NodeList<Node> children = header.getChildNodes();
            for (int i = 0; i < children.getLength(); i++) {
                Node node = children.getItem(i);
                if (Element.is(node)) {
                    Element.as(node).getStyle().setDisplay(hide ? Display.NONE : Display.BLOCK);
                }
            }
        }
    }

    @Override
    public void onOver(XElement parent, boolean over) {
        parent.setClassName(style.over(), over);
    }

    @Override
    public void onPress(XElement parent, boolean pressed) {
        parent.setClassName(style.pressed(), pressed);
    }

    @Override
    public String overClass() {
        return style.over();
    }

    @Override
    public String pressedClass() {
        return style.pressed();
    }

    @Override
    public void render(SafeHtmlBuilder builder, FrameOptions options, SafeHtml content) {
        builder.append(template.render(style, content));
    }

}