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/*******************************************************************************
* Copyright (c) 2012-2013 University of Stuttgart.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Oliver Kopp - initial API and implementation
* Jerome Tagliaferri - support for setting the color
*******************************************************************************/
package org.eclipse.winery.repository.resources.entitytypes.relationshiptypes;
import java.io.StringWriter;
import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.xml.namespace.QName;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.winery.common.constants.Defaults;
import org.eclipse.winery.common.constants.Namespaces;
import org.eclipse.winery.common.constants.QNames;
import org.eclipse.winery.common.ids.definitions.RelationshipTypeId;
import org.eclipse.winery.repository.backend.BackendUtils;
import org.eclipse.winery.repository.datatypes.ids.elements.VisualAppearanceId;
import org.eclipse.winery.repository.resources.GenericVisualAppearanceResource;
import org.restdoc.annotations.RestDoc;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.sun.jersey.api.view.Viewable;
public class VisualAppearanceResource extends GenericVisualAppearanceResource {
private static final Logger logger = LoggerFactory.getLogger(VisualAppearanceResource.class);
private static final QName QNAME_ARROWHEAD_SOURCE = new QName(Namespaces.TOSCA_WINERY_EXTENSIONS_NAMESPACE, "sourceArrowHead");
private static final QName QNAME_ARROWHEAD_TARGET = new QName(Namespaces.TOSCA_WINERY_EXTENSIONS_NAMESPACE, "targetArrowHead");
private static final QName QNAME_DASH = new QName(Namespaces.TOSCA_WINERY_EXTENSIONS_NAMESPACE, "dash");
private static final QName QNAME_LINEWIDTH = new QName(Namespaces.TOSCA_WINERY_EXTENSIONS_NAMESPACE, "linewidth");
private static final QName QNAME_HOVER_COLOR = new QName(Namespaces.TOSCA_WINERY_EXTENSIONS_NAMESPACE, "hovercolor");
public VisualAppearanceResource(RelationshipTypeResource res, Map<QName, String> map, RelationshipTypeId parentId) {
super(res, map, new VisualAppearanceId(parentId));
}
@GET
@Produces(MediaType.TEXT_HTML)
public Response getHTML() {
Viewable viewable = new Viewable("/jsp/entitytypes/relationshiptypes/visualappearance.jsp", this);
return Response.ok().entity(viewable).build();
}
@GET
@RestDoc(methodDescription = "@return JSON object to be used at jsPlumb.registerConnectionType('NAME', <data>)")
@Produces(MediaType.APPLICATION_JSON)
public Response getConnectionTypeForJsPlumbData() {
JsonFactory jsonFactory = new JsonFactory();
StringWriter sw = new StringWriter();
try {
JsonGenerator jg = jsonFactory.createGenerator(sw);
jg.writeStartObject();
jg.writeFieldName("connector");
jg.writeString("Flowchart");
jg.writeFieldName("paintStyle");
jg.writeStartObject();
jg.writeFieldName("lineWidth");
jg.writeNumber(this.getLineWidth());
jg.writeFieldName("strokeStyle");
jg.writeObject(this.getColor());
String dash = this.getDash();
if (!StringUtils.isEmpty(dash)) {
String dashStyle = null;
switch (dash) {
case "dotted":
dashStyle = "1 5";
break;
case "dotted2":
dashStyle = "3 4";
break;
case "plain":
// default works
// otherwise, "1 0" can be used
break;
}
if (dashStyle != null) {
jg.writeStringField("dashstyle", dashStyle);
}
}
jg.writeEndObject();
jg.writeFieldName("hoverPaintStyle");
jg.writeStartObject();
jg.writeFieldName("strokeStyle");
jg.writeObject(this.getHoverColor());
jg.writeEndObject();
// BEGIN: Overlays
jg.writeFieldName("overlays");
jg.writeStartArray();
// source arrow head
String head = this.getSourceArrowHead();
if (!head.equals("none")) {
jg.writeStartArray();
jg.writeString(head);
jg.writeStartObject();
jg.writeFieldName("location");
jg.writeNumber(0);
// arrow should point towards the node and not away from it
jg.writeFieldName("direction");
jg.writeNumber(-1);
jg.writeFieldName("width");
jg.writeNumber(20);
jg.writeFieldName("length");
jg.writeNumber(12);
jg.writeEndObject();
jg.writeEndArray();
}
// target arrow head
head = this.getTargetArrowHead();
if (!head.equals("none")) {
jg.writeStartArray();
jg.writeString(head);
jg.writeStartObject();
jg.writeFieldName("location");
jg.writeNumber(1);
jg.writeFieldName("width");
jg.writeNumber(20);
jg.writeFieldName("length");
jg.writeNumber(12);
jg.writeEndObject();
jg.writeEndArray();
}
// Type in brackets on the arrow
jg.writeStartArray();
jg.writeString("Label");
jg.writeStartObject();
jg.writeStringField("id", "label");
jg.writeStringField("label", "(" + ((RelationshipTypeResource) this.res).getName() + ")");
jg.writeStringField("cssClass", "relationshipTypeLabel");
jg.writeFieldName("location");
jg.writeNumber(0.5);
jg.writeEndObject();
jg.writeEndArray();
jg.writeEndArray();
// END: Overlays
jg.writeEndObject();
jg.close();
} catch (Exception e) {
VisualAppearanceResource.logger.error(e.getMessage(), e);
return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e).build();
}
String res = sw.toString();
return Response.ok(res).build();
}
private String getOtherAttributeWithDefault(QName qname, String def) {
String res = this.otherAttributes.get(qname);
if (StringUtils.isEmpty(res)) {
return def;
} else {
return res;
}
}
/* * * source arrow head * * */
public String getSourceArrowHead() {
return this.getOtherAttributeWithDefault(VisualAppearanceResource.QNAME_ARROWHEAD_SOURCE, Defaults.DEFAULT_RT_ARROWHEAD_SOURCE);
}
@PUT
@Consumes(MediaType.TEXT_PLAIN)
@Path("sourcearrowhead")
public Response onPutSourceHead(String config) {
if (StringUtils.isEmpty(config)) {
return Response.status(Status.BAD_REQUEST).entity("config must not be empty").build();
}
this.otherAttributes.put(VisualAppearanceResource.QNAME_ARROWHEAD_SOURCE, config);
return BackendUtils.persist(this.res);
}
/* * * target arrow head * * */
public String getTargetArrowHead() {
return this.getOtherAttributeWithDefault(VisualAppearanceResource.QNAME_ARROWHEAD_TARGET, Defaults.DEFAULT_RT_ARROWHEAD_TARGET);
}
@PUT
@Consumes(MediaType.TEXT_PLAIN)
@Path("targetarrowhead")
public Response onPutTargetHead(String config) {
if (StringUtils.isEmpty(config)) {
return Response.status(Status.BAD_REQUEST).entity("config must not be empty").build();
}
this.otherAttributes.put(VisualAppearanceResource.QNAME_ARROWHEAD_TARGET, config);
return BackendUtils.persist(this.res);
}
/* * *
*
* stroke dash array / represents the line
*
* Attention: if a linewidth != 1 is chosen, the dash has to be multiplied somehow by the line width
* See: http://jsplumbtoolkit.com/doc/paint-styles:
* "The dashstyle attribute is specified as an array of strokes and spaces, where each value is some multiple of the width of the Connector"
*
* * * */
public String getDash() {
return this.getOtherAttributeWithDefault(VisualAppearanceResource.QNAME_DASH, Defaults.DEFAULT_RT_DASH);
}
@PUT
@Consumes(MediaType.TEXT_PLAIN)
@Path("dash")
public Response onPutDash(String config) {
if (StringUtils.isEmpty(config)) {
return Response.status(Status.BAD_REQUEST).entity("config must not be empty").build();
}
this.otherAttributes.put(VisualAppearanceResource.QNAME_DASH, config);
return BackendUtils.persist(this.res);
}
/* * * stroke/line width * * */
public String getLineWidth() {
return this.getOtherAttributeWithDefault(VisualAppearanceResource.QNAME_LINEWIDTH, Defaults.DEFAULT_RT_LINEWIDTH);
}
/* * * color * * */
/**
* read by topologytemplateeditor.jsp via ${it.color}
*/
public String getColor() {
return BackendUtils.getColorAndSetDefaultIfNotExisting(this.getId().getParent().getXmlId().getDecoded(), QNames.QNAME_COLOR, this.otherAttributes, this.res);
}
@PUT
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
@Path("color")
public Response onPutColor(@FormParam("color") String color) {
this.otherAttributes.put(QNames.QNAME_COLOR, color);
return BackendUtils.persist(this.res);
}
/**
* read by topologytemplateeditor.jsp via ${it.hoverColor}
*/
public String getHoverColor() {
return this.getOtherAttributeWithDefault(VisualAppearanceResource.QNAME_HOVER_COLOR, Defaults.DEFAULT_RT_HOVER_COLOR);
}
@PUT
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
@Path("hovercolor")
public Response onPutHoverColor(@FormParam("color") String color) {
this.otherAttributes.put(VisualAppearanceResource.QNAME_HOVER_COLOR, color);
return BackendUtils.persist(this.res);
}
}
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