/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.airavata.xbaya.ui.graph.system;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.awt.geom.GeneralPath;
import java.util.List;
import org.apache.airavata.workflow.model.graph.Node;
import org.apache.airavata.workflow.model.graph.Port;
import org.apache.airavata.workflow.model.graph.impl.PortImpl;
import org.apache.airavata.workflow.model.graph.system.DoWhileNode;
import org.apache.airavata.xbaya.graph.controller.NodeController;
import org.apache.airavata.xbaya.ui.XBayaGUI;
import org.apache.airavata.xbaya.ui.dialogs.graph.system.DoWhileConfigrationDialog;
import org.apache.airavata.xbaya.ui.graph.PortGUI;
import org.apache.airavata.xbaya.ui.utils.DrawUtils;
public class DoWhileNodeGUI extends ConfigurableNodeGUI {
private static final String CONFIG_AREA_STRING = "Config";
private DoWhileNode node;
private DoWhileConfigrationDialog configurationWindow;
private Polygon polygon;
private GeneralPath generalPath;
/**
* Constructs a DoWhileNodeGUI.
*
* @param node
*/
public DoWhileNodeGUI(DoWhileNode node) {
super(node);
this.node = node;
setConfigurationText(CONFIG_AREA_STRING);
this.polygon = new Polygon();
generalPath = new GeneralPath();
}
/**
* Shows a configuration window when a user click the configuration area.
*
* @param engine
*/
@Override
protected void showConfigurationDialog(XBayaGUI xbayaGUI) {
if (this.configurationWindow == null) {
this.configurationWindow = new DoWhileConfigrationDialog(this.node, xbayaGUI);
}
this.configurationWindow.show();
}
/**
* @see edu.indiana.extreme.xbaya.graph.system.gui.ConfigurableNodeGUI#calculatePositions(java.awt.Graphics)
*/
@Override
protected void calculatePositions(Graphics g) {
super.calculatePositions(g);
calculatePositions();
setPortPositions();
}
/**
* @see edu.indiana.extreme.xbaya.graph.gui.NodeGUI#getBounds()
*/
@Override
protected Rectangle getBounds() {
return this.polygon.getBounds();
}
/**
* @see edu.indiana.extreme.xbaya.graph.gui.NodeGUI#isIn(java.awt.Point)
*/
@Override
protected boolean isIn(Point point) {
return this.polygon.contains(point);
}
protected GeneralPath getComponentHeaderShape() {
return DrawUtils.getRoundedShape(createHeader(getPosition()));
}
protected String getComponentHeaderText() {
return node.getName();
}
protected Color getComponentHeaderColor() {
return headColor;
}
protected GeneralPath getComponentShape() {
return generalPath;
}
protected Node getNode() {
return this.node;
}
private Polygon createHeader(Point position) {
Polygon head = new Polygon();
head.addPoint(position.x, position.y + this.headHeight / 2);
head.addPoint(position.x, position.y + this.headHeight);
head.addPoint(position.x + this.dimension.width, position.y + this.headHeight);
head.addPoint(position.x + this.dimension.width, position.y + this.headHeight / 2);
head.addPoint(position.x + this.dimension.width / 2, position.y);
return head;
}
/**
* Sets up the position of ports
*/
@Override
protected void setPortPositions() {
List<? extends Port> inputPorts = this.node.getInputPorts();
for (int i = 0; i < inputPorts.size(); i++) {
Port port = inputPorts.get(i);
Point offset = new Point(PortGUI.DATA_PORT_SIZE / 2, this.headHeight + PORT_INITIAL_GAP + PORT_GAP * i);
NodeController.getGUI(port).setOffset(offset);
}
// outputs
List<? extends Port> outputPorts = this.node.getOutputPorts();
for (int i = 0; i < outputPorts.size(); i++) {
Port port = outputPorts.get(i);
// Use getBounds() instead of this.dimension because subclass might
// overwrite getBounds() to have different shape.
Point offset = new Point(this.getBounds().width
- PortGUI.DATA_PORT_SIZE / 2, this.headHeight
+ PORT_INITIAL_GAP + PORT_GAP * i);
NodeController.getGUI(port).setOffset(offset);
}
PortImpl controlInPort = this.node.getControlInPort();
if (controlInPort != null) {
Point offset = new Point(0, this.headHeight / 2);
NodeController.getGUI(controlInPort).setOffset(offset);
}
// There are two controlOutPorts.
List<? extends Port> controlOutPorts = this.node.getControlOutPorts();
Port controlOutPort1 = controlOutPorts.get(0);
Point offset = new Point(getBounds().width, +this.headHeight / 2);
NodeController.getGUI(controlOutPort1).setOffset(offset);
Port controlOutPort2 = controlOutPorts.get(1);
offset = new Point(this.getBounds().width, getBounds().height - this.headHeight / 2);
NodeController.getGUI(controlOutPort2).setOffset(offset);
}
private void calculatePositions() {
// Avoid instantiating a new polygon each time.
this.polygon.reset();
Point position = getPosition();
this.polygon.addPoint(position.x, position.y + this.headHeight / 2);
this.polygon.addPoint(position.x, position.y + this.dimension.height);
this.polygon.addPoint(position.x + this.dimension.width / 2, position.y + this.dimension.height
+ this.headHeight / 2);
this.polygon.addPoint(position.x + this.dimension.width, position.y + this.dimension.height);
this.polygon.addPoint(position.x + this.dimension.width, position.y + this.headHeight / 2);
this.polygon.addPoint(position.x + this.dimension.width / 2, position.y);
DrawUtils.setupRoundedGeneralPath(polygon, getComponentShape());
}
}