com.vaadHL.utl.state.ScreenInfo.java Source code

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Here is the source code for com.vaadHL.utl.state.ScreenInfo.java

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/* Copyright 2015 Mirosaw Romaniuk (mi9rom@gmail.com)
 * 
 * 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.
 */

package com.vaadHL.utl.state;

import com.vaadin.server.Sizeable;
import com.vaadin.server.Sizeable.Unit;
import com.vaadin.ui.Window;

/**
 * Screen object info (size and position) also getting  and restoring  recorded
 * parameters of a screen object. 
 *
 */
public class ScreenInfo extends VHLState {
    private static final long serialVersionUID = 8599015837532339093L;
    private float height;
    private Unit heightUnits;
    private float width;
    private Unit widthUnits;
    private int positionX;
    private int positionY;

    public ScreenInfo() {
        super(1);
    }

    /**
     * Gets size info from a screen object
     * 
     * @param si
     *            si the screen object implementing the {@link Sizeable}
     *            interface
     */
    public void sizeFrom(Sizeable si) {
        height = si.getHeight();
        heightUnits = si.getHeightUnits();
        width = si.getWidth();
        widthUnits = si.getWidthUnits();
    }

    /**
     * Gets information from a window.
     * 
     * @param wi
     *            the Window
     */
    public void readFrom(Window wi) {
        positionX = wi.getPositionX();
        positionY = wi.getPositionY();
        sizeFrom(wi);
    }

    /**
     * Changes size of a screen object
     * 
     * @param si
     *            the screen object implementing the {@link Sizeable} interface
     */
    public void applyTo(Sizeable si) {
        si.setHeight(getHeight(), getHeightUnits());
        si.setWidth(getWidth(), getWidthUnits());
    }

    /**
     * Changes size and position of a window.
     * 
     * @param wi
     *            the window
     */
    public void applyToWin(Window wi) {
        applyTo((Sizeable) wi);
        wi.setPosition(getPositionX(), getPositionY());
    }

    // getters setters
    public float getHeight() {
        return height;
    }

    public void setHeight(float height) {
        this.height = height;
    }

    public Unit getHeightUnits() {
        return heightUnits;
    }

    public void setHeightUnits(Unit heightUnits) {
        this.heightUnits = heightUnits;
    }

    public float getWidth() {
        return width;
    }

    public void setWidth(float width) {
        this.width = width;
    }

    public Unit getWidthUnits() {
        return widthUnits;
    }

    public void setWidthUnits(Unit widthUnits) {
        this.widthUnits = widthUnits;
    }

    public int getPositionX() {
        return positionX;
    }

    public void setPositionX(int positionX) {
        this.positionX = positionX;
    }

    public int getPositionY() {
        return positionY;
    }

    public void setPositionY(int positionY) {
        this.positionY = positionY;
    }

}