fr.fg.client.openjwt.OpenJWT.java Source code

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Here is the source code for fr.fg.client.openjwt.OpenJWT.java

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/*
Copyright 2010 Jeremie Gottero
    
This file is part of Fallen Galaxy.
    
Fallen Galaxy is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
Fallen Galaxy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
    
You should have received a copy of the GNU Affero General Public License
along with Fallen Galaxy. If not, see <http://www.gnu.org/licenses/>.
*/

package fr.fg.client.openjwt;

import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.WindowResizeListener;

public final class OpenJWT {
    // ------------------------------------------------------- CONSTANTES -- //

    public final static String ELEMENT = "element", INNER_HTML = "innerHtml", DEFAULT_WIDTH = "width",
            DEFAULT_HEIGHT = "height", LINE_HEIGHT = "lineHeight", HORIZONTAL_MARGIN = "horizontalMargin",
            VERTICAL_MARGIN = "verticalMargin", INNER_HORIZONTAL_MARGIN = "innerHorizontalMargin",
            INNER_VERTICAL_MARGIN = "innerVerticalMargin", CSS_CLASS = "cssClass", FX_DECORATION = "fx.decoration",
            FX_DECORATION_OFFSET_X = "fx.decoration.offsetX", FX_DECORATION_OFFSET_Y = "fx.decoration.offsetY",
            SCROLL_UP_BUTTON_WIDTH = "scrollUpButtonWidth", SCROLL_UP_BUTTON_HEIGHT = "scrollUpButtonHeight",
            SCROLL_DOWN_BUTTON_WIDTH = "scrollDownButtonWidth",
            SCROLL_DOWN_BUTTON_HEIGHT = "scrollDownButtonHeight",
            SCROLL_BUBBLE_MIN_HEIGHT = "scrollBubbleMinHeight", SCROLL_BUBBLE_WIDTH = "scrollBubbleWidth";

    // -------------------------------------------------------- ATTRIBUTS -- //

    private static int clientWidth, clientHeight;

    private static XmlStyle style;

    static {
        clientWidth = Window.getClientWidth();
        clientHeight = Window.getClientHeight();

        Window.addWindowResizeListener(new WindowResizeListener() {
            public void onWindowResized(int width, int height) {
                clientWidth = Window.getClientWidth();
                clientHeight = Window.getClientHeight();
            }
        });
    }

    // ---------------------------------------------------- CONSTRUCTEURS -- //
    // --------------------------------------------------------- METHODES -- //

    public final static boolean isStyleReady() {
        return style != null && style.isReady();
    }

    public final static void loadStyle(String url) {
        style = XmlStyle.load(url);
    }

    public final static int getClientWidth() {
        return clientWidth;
    }

    public final static int getClientHeight() {
        return clientHeight;
    }

    public final static native void select(com.google.gwt.dom.client.Element element) /*-{
                                                                                      element.select();
                                                                                      }-*/;

    public final static native void focus(com.google.gwt.dom.client.Element element) /*-{
                                                                                     element.focus();
                                                                                     }-*/;

    public final static native void blur(com.google.gwt.dom.client.Element element) /*-{
                                                                                    element.blur();
                                                                                    }-*/;

    public final static native int eventGetPointerX(Event event) /*-{
                                                                 return event.pageX || (event.clientX + 
                                                                 (document.documentElement.scrollLeft || document.body.scrollLeft));
                                                                 }-*/;

    public final static native int eventGetPointerY(Event event) /*-{
                                                                 return event.pageY || (event.clientY + 
                                                                 (document.documentElement.scrollTop || document.body.scrollTop));
                                                                 }-*/;

    public final static Element getElementById(String id, Element parent) {
        if (parent == null)
            return null;

        if (parent.getId() != null && parent.getId().equals(id))
            return parent;

        int count = parent.getChildNodes().getLength();

        for (int i = 0; i < count; i++) {
            Element element = getElementById(id, DOM.getChild(parent, i));
            if (element != null)
                return element;
        }

        return null;
    }

    public final static void setElementOpacity(Element element, double opacity) {
        if (opacity < 0.00001)
            opacity = 0.0;
        if (opacity > 1.0)
            opacity = 1.0;

        element.getStyle().setProperty("opacity", String.valueOf(opacity));
        element.getStyle().setProperty("mozOpacity", String.valueOf(opacity));
        if (opacity == 1) {
            element.getStyle().setProperty("filter", "");
        } else {
            element.getStyle().setProperty("filter",
                    "progid:DXImageTransform.Microsoft.Alpha(opacity=" + (int) Math.round(opacity * 100) + ")");
        }
    }

    public final static void setElementFloat(Element element, String cssFloat) {
        element.getStyle().setProperty("cssFloat", cssFloat);
        element.getStyle().setProperty("styleFloat", cssFloat);
    }

    public final static String getUIProperty(String UIClassId, String key) {
        return style != null && style.isReady() ? style.getProperty(UIClassId, key) : null;
    }

    // ------------------------------------------------- METHODES PRIVEES -- //
}