com.codename1.ui.layouts.CoordinateLayout Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores
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*/
package com.codename1.ui.layouts;
import com.codename1.ui.Component;
import com.codename1.ui.Container;
import com.codename1.ui.geom.Dimension;
/**
* Allows laying out components based on absolute positions/sizes
* that are adapted based on available space for the layout.
* The layout
*
* @author Chen Fishbein
* @deprecated the usage of this layout is strongly discouraged as elements will not adapt to the right position/size
*/
public class CoordinateLayout extends Layout{
private int width;
private int height;
/**
* Allows creating a coordinate layouts that disables the scaling feature
*/
public CoordinateLayout(){
this.width = -1;
this.height = -1;
}
/**
* This constructor accepts the relative width and height used to define the
* aspect ratio of the Container
*
* @param width
* @param height
*/
public CoordinateLayout(int width, int height){
this.width = width;
this.height = height;
}
/**
* This constructor accepts the relative width and height used to define the
* aspect ratio of the Container
*
* @param d the width/height
*/
public CoordinateLayout(Dimension d){
this(d.getWidth(), d.getHeight());
}
/**
* {@inheritDoc}
*/
public void layoutContainer(Container parent) {
if(width < 0) {
return;
}
int numOfcomponents = parent.getComponentCount();
int parentW = parent.getWidth();
int parentH = parent.getHeight();
for(int i=0; i< numOfcomponents; i++){
Component cmp = parent.getComponentAt(i);
int x = cmp.getX() * parentW /width;
int y = cmp.getY() * parentH /height;
cmp.setX(x);
cmp.setY(y);
cmp.setWidth(cmp.getPreferredW());
cmp.setHeight(cmp.getPreferredH());
}
width = parentW;
height = parentH;
}
/**
* {@inheritDoc}
*/
public Dimension getPreferredSize(Container parent) {
Dimension retVal = new Dimension();
int numOfcomponents = parent.getComponentCount();
for(int i=0; i< numOfcomponents; i++){
Component cmp = parent.getComponentAt(i);
retVal.setWidth(Math.max(retVal.getWidth(), cmp.getX() + cmp.getPreferredW()));
retVal.setHeight(Math.max(retVal.getHeight(), cmp.getY() + cmp.getPreferredH()));
}
return retVal;
}
/**
* {@inheritDoc}
*/
public boolean isOverlapSupported() {
return true;
}
}