eu.webtoolkit.jwt.PositionScheme Maven / Gradle / Ivy
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/*
* Copyright (C) 2009 Emweb bvba, Leuven, Belgium.
*
* See the LICENSE file for terms of use.
*/
package eu.webtoolkit.jwt;
import java.util.*;
import java.util.regex.*;
import java.io.*;
import java.lang.ref.*;
import java.util.concurrent.locks.ReentrantLock;
import javax.servlet.http.*;
import javax.servlet.*;
import eu.webtoolkit.jwt.*;
import eu.webtoolkit.jwt.chart.*;
import eu.webtoolkit.jwt.utils.*;
import eu.webtoolkit.jwt.servlet.*;
/**
* Enumeration that specifies a layout mechanism for a widget.
*
* The layout mechanism determines how the widget positions itself relative to
* the parent or sibling widgets.
*
*
* @see WWidget#setPositionScheme(PositionScheme scheme)
*/
public enum PositionScheme {
/**
* Static position scheme.
*
* The widget is layed-out with other {@link PositionScheme#Static Static}
* and {@link PositionScheme#Relative Relative} sibling widgets, one after
* another.
*
* Inline widgets are layed out in horizontal lines (like text), wrapping
* around at the end of the line to continue on the next line. Block widgets
* are stacked vertically.
*
* Static widgets may also float to the left or right border, using
* setFloatSide().
*/
Static,
/**
* Relative position scheme.
*
* The widget is first layed out according to Static layout rules, but after
* layout, the widget may be offset relative to where it would be in a
* static layout, using setOffsets().
*
* Another common use of a Relative position scheme (even with no specified
* offsets) is to provide a new reference coordinate system for Absolutely
* positioned widgets.
*/
Relative,
/**
* Absolute position scheme.
*
* The widget is positioned at an absolute position with respect to the
* nearest ancestor widget that is either:
*
* -
* a {@link WTableCell}
* -
* or has a position scheme that is {@link PositionScheme#Relative Relative}
* or {@link PositionScheme#Absolute Absolute}.
*
*/
Absolute,
/**
* Fixed position scheme.
*
* The widget is positioned at fixed position with respect to the
* browser's view-pane.
*/
Fixed;
/**
* Returns the numerical representation of this enum.
*/
public int getValue() {
return ordinal();
}
}