GMarkerImage.java

/*
 * $Id$
 * $Revision$
 * $Date$
 *
 * ==============================================================================
 * 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 wicket.contrib.gmap3.overlay;

import wicket.contrib.gmap3.ReviewPending;
import wicket.contrib.gmap3.api.GPoint;
import wicket.contrib.gmap3.api.GSize;
import wicket.contrib.gmap3.api.GValue;

/**
 * http://code.google.com/apis/maps/documentation/javascript/reference.html# MarkerImage
 *
 * @author Christian Hennig (christian.hennig@freiheit.com)
 */
@ReviewPending
// Remove if class is tested.
public class GMarkerImage implements GValue, Cloneable {

    private static final long serialVersionUID = 1714038753187423501L;

    private String _url;

    private GSize _size = null;
    private GPoint _origin = null;
    private GSize _scaledSize = null;
    private GPoint _anchor = null;

    public GMarkerImage() {
        _url = "http://www.google.com/mapfiles/marker.png";
    }

    public GMarkerImage(final String image) {
        _url = image;
        // _url = "http://www.google.com/mapfiles/marker.png";

    }

    public GMarkerImage(final String image, final GSize iconSize, final GPoint iconAnchor, final GPoint origin,
            final GSize scaledSize) {
        _url = image;
        _size = iconSize;
        _anchor = iconAnchor;
        _origin = origin;
        _scaledSize = scaledSize;
    }

    public GMarkerImage(final String image, final GSize iconSize, final GPoint iconAnchor) {
        _url = image;
        _size = iconSize;
        _anchor = iconAnchor;
    }

    @Override
    public GMarkerImage clone() {
        try {
            return (GMarkerImage)super.clone();
        } catch (final CloneNotSupportedException e) {
            throw new Error(e);
        }
    }

    public String getId() {
        return "icon" + String.valueOf(System.identityHashCode(this));
    }

    @Override
    public String getJSconstructor() {
        final StringBuffer buffer = new StringBuffer();
        buffer.append("(function() {\n");
        buffer.append("var icon = new google.maps.MarkerImage(\'" + _url + "\' );\n");

        if (_size != null) {
            buffer.append("icon.size = ").append(_size.getJSconstructor()).append(";\n");
        }

        if (_anchor != null) {
            buffer.append("icon.anchor = ").append(_anchor.getJSconstructor()).append(";\n");
        }

        if (_origin != null) {
            buffer.append("icon.origin = ").append(_origin.getJSconstructor()).append(";\n");
        }
        if (_scaledSize != null) {
            buffer.append("icon.scaledSize = ").append(_scaledSize.getJSconstructor()).append(";\n");
        }

        buffer.append("return icon;\n");
        buffer.append("})()\n");
        return buffer.toString();
    }

    public GMarkerImage setSchema(final String schema) {
        final String regex = "https?";
        _url = _url.replaceFirst(regex, schema);
        return this;
    }

    public GSize getSize() {
        return _size;
    }

    /**
     * The display size of the sprite or image. When using sprites, you must specify the sprite size. If the size is not
     * provided, it will be set when the image loads.
     */
    public GMarkerImage setSize(final GSize size) {
        _size = size;
        return this;
    }

    public GPoint getOrigin() {
        return _origin;
    }

    /**
     * The position of the image within a sprite, if any. By default, the origin is located at the top left corner of
     * the image (0, 0).
     */
    public GMarkerImage setOrigin(final GPoint origin) {
        _origin = origin;
        return this;
    }

    public GSize getScaledSize() {
        return _scaledSize;
    }

    /**
     * The size of the entire image after scaling, if any. Use this property to stretch/shrink an image or a sprite.
     */
    public GMarkerImage setScaledSize(final GSize scaledSize) {
        _scaledSize = scaledSize;
        return this;
    }

    public GPoint getAnchor() {
        return _anchor;
    }

    /**
     * The position at which to anchor an image in correspondance to the location of the marker on the map. By default,
     * the anchor is located along the center point of the bottom of the image.
     */
    public GMarkerImage setAnchor(final GPoint anchor) {
        _anchor = anchor;
        return this;
    }

    public String getUrl() {
        return _url;
    }

}