/*
* ShadowBorder.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.core.client.theme;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.LayoutPanel;
import org.rstudio.core.client.theme.res.ThemeResources;
import org.rstudio.core.client.theme.res.ThemeStyles;
/**
* Creates the visual effect of a "window" with shadowed border and
* titlebar. This widget isn't designed to contain any content, but
* rather be layered behind the content that should be shadowed (see
* WindowFrame).
*/
class ShadowBorder extends Composite
{
public ShadowBorder()
{
ThemeStyles styles = ThemeResources.INSTANCE.themeStyles();
layout_ = new LayoutPanel();
addPanel(styles.NW(), LEFT, TOP);
addPanel(styles.N(), CENTER, TOP);
addPanel(styles.NE(), RIGHT, TOP);
addPanel(styles.W(), LEFT, MIDDLE);
addPanel(styles.C(), CENTER, MIDDLE);
addPanel(styles.E(), RIGHT, MIDDLE);
addPanel(styles.SW(), LEFT, BOTTOM);
addPanel(styles.S(), CENTER, BOTTOM);
addPanel(styles.SE(), RIGHT, BOTTOM);
initWidget(layout_);
}
private DivElement addPanel(String styleName, int halign, int valign)
{
DivElement div = Document.get().createDivElement();
div.setClassName(styleName);
Style style = div.getStyle();
style.setPosition(Style.Position.ABSOLUTE);
switch (halign)
{
case LEFT:
style.setPropertyPx("left", 0);
style.setPropertyPx("width", 10);
break;
case CENTER:
style.setPropertyPx("left", 10);
style.setPropertyPx("right", 10);
break;
case RIGHT:
style.setPropertyPx("right", 0);
style.setPropertyPx("width", 10);
break;
}
switch (valign)
{
case TOP:
style.setPropertyPx("top", 0);
style.setPropertyPx("height", 26);
break;
case MIDDLE:
style.setPropertyPx("top", 26);
style.setPropertyPx("bottom", 26);
break;
case BOTTOM:
style.setPropertyPx("bottom", 0);
style.setPropertyPx("height", 26);
}
layout_.getElement().appendChild(div);
return div;
}
private final LayoutPanel layout_;
private static final int LEFT=0, CENTER=1, RIGHT=2;
private static final int TOP=0, MIDDLE=1, BOTTOM=2;
public static final int TOP_SHADOW_WIDTH = 3,
LEFT_SHADOW_WIDTH = 3,
RIGHT_SHADOW_WIDTH = 3,
BOTTOM_SHADOW_WIDTH = 5,
TITLEBAR_REGION_BOTTOM = 26,
CONTENT_REGION_TOP = 26;
}