com.sibvisions.rad.ui.vaadin.impl.layout.VaadinClientGridLayout Maven / Gradle / Ivy
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/*
* Copyright 2016 SIB Visions GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
*
* History
*
* 11.05.2016 - [RZ] - creation
*/
package com.sibvisions.rad.ui.vaadin.impl.layout;
import java.lang.ref.WeakReference;
import java.util.WeakHashMap;
import jvx.rad.ui.IComponent;
import jvx.rad.ui.IInsets;
import jvx.rad.ui.layout.IGridLayout;
import com.sibvisions.rad.ui.vaadin.ext.ui.client.panel.helper.Margins;
import com.sibvisions.rad.ui.vaadin.ext.ui.panel.layout.GridLayout;
import com.sibvisions.rad.ui.vaadin.ext.ui.panel.layout.GridLayout.GridConstraints;
import com.sibvisions.rad.ui.vaadin.impl.VaadinInsets;
import com.sibvisions.rad.ui.vaadin.impl.VaadinResource;
import com.vaadin.ui.Component;
/**
* The {@link VaadinClientGridLayout} is the Vaadin specific implementation of
* the {@link IGridLayout} class.
*
* This class wraps and provides {@link GridLayout the client-side layout}.
*
* @author Robert Zenz
*/
public class VaadinClientGridLayout extends AbstractVaadinClientLayout
implements IGridLayout
{
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class members
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/** The constraints cache. */
private WeakHashMap> constraints = new WeakHashMap>();
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Initialization
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Creates a new instance of {@link VaadinClientGridLayout}.
*
* @param pColumns the columns.
* @param pRows the rows.
*/
public VaadinClientGridLayout(int pColumns, int pRows)
{
super(new GridLayout(pColumns, pRows));
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Interface implementation
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* {@inheritDoc}
*/
public int getColumns()
{
return layout.getColumns();
}
/**
* {@inheritDoc}
*/
public IGridConstraints getConstraints(IComponent pComp)
{
return getConstraints((GridConstraints)resource.getConstraints((Component)pComp.getResource()));
}
/**
* {@inheritDoc}
*/
public IGridConstraints getConstraints(int pColumns, int pRows)
{
return getConstraints(layout.getConstraints(pColumns, pRows));
}
/**
* {@inheritDoc}
*/
public IGridConstraints getConstraints(int pColumns, int pRows, int pWidth, int pHeight)
{
return getConstraints(layout.getConstraints(pColumns, pRows, pWidth, pHeight));
}
/**
* {@inheritDoc}
*/
public IGridConstraints getConstraints(int pColumns, int pRows, int pWidth, int pHeight, IInsets pInsets)
{
if (pInsets == null)
{
return getConstraints(layout.getConstraints(pColumns, pRows, pWidth, pHeight));
}
else
{
return getConstraints(layout.getConstraints(pColumns, pRows, pWidth, pHeight,
pInsets.getTop(), pInsets.getLeft(), pInsets.getBottom(), pInsets.getRight()));
}
}
/**
* {@inheritDoc}
*/
public int getRows()
{
return layout.getRows();
}
/**
* {@inheritDoc}
*/
public void setColumns(int pColumns)
{
layout.setColumns(pColumns);
}
/**
* {@inheritDoc}
*/
public void setConstraints(IComponent pComp, IGridConstraints pConstraints)
{
resource.setConstraints(
(Component)pComp.getResource(),
((VaadinGridConstraints)pConstraints).getResource());
}
/**
* {@inheritDoc}
*/
public void setRows(int pRows)
{
layout.setRows(pRows);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Overwritten methods
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* {@inheritDoc}
*/
@Override
public void addComponent(IComponent pComponent, Object pConstraints, int pIndex)
{
super.addComponent(pComponent, ((VaadinGridConstraints)pConstraints).getResource(), pIndex);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// User-defined methods
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Gets the {@link VaadinGridConstraints constraints}.
*
* @param pConstraints the {@link GridConstraints grid constraints}.
* @return the {@link VaadinGridConstraints constraints}.
*/
private VaadinGridConstraints getConstraints(GridConstraints pConstraints)
{
if (pConstraints == null)
{
return null;
}
else
{
WeakReference constraintRef = constraints.get(pConstraints);
if (constraintRef != null)
{
VaadinGridConstraints constraint = constraintRef.get();
if (constraint != null)
{
return constraint;
}
}
VaadinGridConstraints gridConstraints = new VaadinGridConstraints(pConstraints);
constraints.put(pConstraints, new WeakReference(gridConstraints));
return gridConstraints;
}
}
//****************************************************************
// Subclass definition
//****************************************************************
/**
* The {@link VaadinGridConstraints} is the Vaadin specific implementation
* of {@link jvx.rad.ui.layout.IGridLayout.IGridConstraints}.
*
* @author Robert Zenz
*/
public static class VaadinGridConstraints extends VaadinResource
implements IGridConstraints
{
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Initialization
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Creates a new instance of {@link VaadinGridConstraints}.
*
* @param pResource the {@link GridConstraints resource}.
*/
public VaadinGridConstraints(GridConstraints pResource)
{
super(pResource);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Interface implementation
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* {@inheritDoc}
*/
public int getGridHeight()
{
return resource.height;
}
/**
* {@inheritDoc}
*/
public int getGridWidth()
{
return resource.width;
}
/**
* {@inheritDoc}
*/
public int getGridX()
{
return resource.x;
}
/**
* {@inheritDoc}
*/
public int getGridY()
{
return resource.y;
}
/**
* {@inheritDoc}
*/
public IInsets getInsets()
{
Margins padding = resource.padding;
return new VaadinInsets(
padding.top,
padding.left,
padding.bottom,
padding.right);
}
/**
* {@inheritDoc}
*/
public void setGridHeight(int pGridHeight)
{
resource.setHeight(pGridHeight);
}
/**
* {@inheritDoc}
*/
public void setGridWidth(int pGridWidth)
{
resource.setWidth(pGridWidth);
}
/**
* {@inheritDoc}
*/
public void setGridX(int pGridX)
{
resource.setColumn(pGridX);
}
/**
* {@inheritDoc}
*/
public void setGridY(int pGridY)
{
resource.setRow(pGridY);
}
/**
* {@inheritDoc}
*/
public void setInsets(IInsets pInsets)
{
if (pInsets != null)
{
resource.setPaddingBottom(pInsets.getBottom());
resource.setPaddingLeft(pInsets.getLeft());
resource.setPaddingRight(pInsets.getRight());
resource.setPaddingTop(pInsets.getTop());
}
else
{
resource.setPaddingBottom(0);
resource.setPaddingLeft(0);
resource.setPaddingRight(0);
resource.setPaddingTop(0);
}
}
} // VaadinGridConstraints
} // VaadinClientGridLayout