org.wicketstuff.openlayers.api.feature.Feature Maven / Gradle / Ivy

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/*
 * 
 * ==============================================================================
 * 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 org.wicketstuff.openlayers.api.feature;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import org.wicketstuff.openlayers.IOpenLayersMap;
import org.wicketstuff.openlayers.api.layer.Vector;

import com.vividsolutions.jts.geom.Coordinate;

/**
 * 
 * @author Marin Mandradjiev ([email protected])
 * 
 */
public abstract class Feature implements Serializable {
	private static final long serialVersionUID = 364944041007700590L;
	private FeatureStyle featureStyle = null;
	private IOpenLayersMap map = null;
	private String displayInLayer = null;
	private List coordinates = new ArrayList();

	public Feature() {
		this(null, null);
	}

	public Feature(FeatureStyle featureStyle) {
		this(featureStyle, null);
	}

	public Feature(IOpenLayersMap map) {
		this(null, map);
	}

	public Feature(FeatureStyle featureStyle, IOpenLayersMap map) {
		this.featureStyle = featureStyle;
		this.map = map;
	}

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

	protected abstract String getType();

	public String getJSAddFeature(IOpenLayersMap map, Vector vector) {
		return getJSconstructor()
				+ "var draw"
				+ getId()
				+ " = new OpenLayers.Feature.Vector(feature"
				+ getId()
				+ ", null, "
				+ (featureStyle != null ? featureStyle
						.getJSGetStyleNoLineEnd(map) : "null")
				+ ");\n"
				+ map.getJSinvoke("addFeature(" + vector.getId() + ", draw"
						+ getId() + ", " + getId() + ")");
	}

	public String getJSRemoveFeature(IOpenLayersMap map, Vector vector) {
		return map.getJSinvoke("removeFeature(" + vector.getId() + ", "
				+ getId() + ")");
	}

	protected String getJScoordinateList(String type, String coordinateList) {
		return "var feature"
				+ getId()
				+ " = "
				+ (type == null ? "" : "new " + type + "(")
				+ (map != null && map.getBusinessLogicProjection() != null ? map
						.getJSinvokeNoLineEnd("")
						: "")
				+ "convertArray(["
				+ coordinateList
				+ "]"
				+ (map != null && map.getBusinessLogicProjection() != null ? ", \""
						+ map.getBusinessLogicProjection() + "\""
						: "") + ")" + (type != null ? ")" : "") + ";\n";
	}

	public String getJSconstructor() {
		StringBuffer coordinateList = new StringBuffer();
		for (Coordinate coordinate : coordinates) {
			if (coordinateList.length() > 0)
				coordinateList.append(", ");
			coordinateList.append(coordinate.x + ", " + coordinate.y);
		}
		StringBuffer result = new StringBuffer();
		result.append("var feature" + getId() + " = ");
		if (getType() != null)
			result.append("new " + getType() + "(");
		if (map != null && map.getBusinessLogicProjection() != null)
			result.append(map.getJSinvokeNoLineEnd(""));
		result.append("convertArray([" + coordinateList.toString() + "]");
		if (map != null && map.getBusinessLogicProjection() != null)
			result.append(", \"" + map.getBusinessLogicProjection() + "\"");
		result.append(")");
		if (getType() != null)
			result.append(")");
		result.append(";\n");
		return result.toString();
	}

	public void setFeatureStyle(FeatureStyle featureStyle) {
		this.featureStyle = featureStyle;
	}

	public FeatureStyle getFeatureStyle() {
		return featureStyle;
	}

	public void setMap(IOpenLayersMap map) {
		this.map = map;
	}

	public IOpenLayersMap getMap() {
		return map;
	}

	public void setDisplayInLayer(String displayInLayer) {
		this.displayInLayer = displayInLayer;
	}

	public String getDisplayInLayer() {
		return displayInLayer;
	}

	public void setCoordinates(List coordinates) {
		this.coordinates = coordinates;
	}

	public List getCoordinates() {
		return coordinates;
	}
}