/*
*
* 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.graph.system.gui;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.util.List;
import org.apache.airavata.xbaya.XBayaEngine;
import org.apache.airavata.xbaya.graph.Port;
import org.apache.airavata.xbaya.graph.gui.PortGUI;
import org.apache.airavata.xbaya.graph.system.EndBlockNode;
public class EndBlockNodeGUI extends ConfigurableNodeGUI {
private EndBlockConfigurationDialog configurationWindow;
private EndBlockNode node;
private Polygon polygon;
/**
* @param node
*/
public EndBlockNodeGUI(EndBlockNode node) {
super(node);
this.node = node;
this.polygon = new Polygon();
}
/**
* Shows a configuration window when a user click the configuration area.
*
* @param engine
*/
@Override
protected void showConfigurationDialog(XBayaEngine engine) {
if (this.configurationWindow == null) {
this.configurationWindow = new EndBlockConfigurationDialog(this.node, engine);
}
this.configurationWindow.show();
}
/**
* @see org.apache.airavata.xbaya.graph.gui.NodeGUI#calculatePositions(java.awt.Graphics)
*/
@Override
protected void calculatePositions(Graphics g) {
super.calculatePositions(g);
calculatePositions();
setPortPositions();
}
/**
* @see org.apache.airavata.xbaya.graph.gui.NodeGUI#getBounds()
*/
@Override
protected Rectangle getBounds() {
return this.polygon.getBounds();
}
@Override
protected boolean isIn(Point point) {
return this.polygon.contains(point);
}
@Override
protected void paint(Graphics2D g) {
Point position = getPosition();
// Draws the body.
if (this.dragged) {
g.setColor(DRAGGED_BODY_COLOR);
} else {
g.setColor(this.bodyColor);
}
g.fillPolygon(this.polygon);
// Draws the head.
g.setColor(this.headColor);
Polygon head = new Polygon();
head.addPoint(position.x, position.y);
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);
g.fill(head);
// Text
g.setColor(TEXT_COLOR);
String name = this.node.getName();
g.drawString(name, position.x + TEXT_GAP_X, position.y + this.headHeight - TEXT_GAP_Y);
// Edge
g.setColor(EDGE_COLOR);
g.drawPolygon(this.polygon);
// Paint all ports
for (Port port : this.node.getAllPorts()) {
port.getGUI().paint(g);
}
paintConfiguration(g);
}
/**
* @see org.apache.airavata.xbaya.graph.gui.NodeGUI#setPortPositions()
*/
@Override
protected void setPortPositions() {
// inputs
List<? extends Port> inputPorts = this.node.getInputPorts();
for (int i = 0; i < inputPorts.size(); i++) {
Port port = inputPorts.get(i);
Point offset;
if (i < inputPorts.size() / 2) {
offset = new Point(PortGUI.DATA_PORT_SIZE / 2, this.headHeight + PORT_INITIAL_GAP + PORT_GAP * i);
} else {
offset = new Point(PortGUI.DATA_PORT_SIZE / 2, this.headHeight + PORT_INITIAL_GAP + PORT_GAP * (i + 1));
}
port.getGUI().setOffset(offset);
}
// outputs
List<? extends Port> outputPorts = this.node.getOutputPorts();
for (int i = 0; i < outputPorts.size(); i++) {
Port port = outputPorts.get(i);
Point offset = new Point(this.getBounds().width - PortGUI.DATA_PORT_SIZE / 2, (int) (this.headHeight
+ PORT_INITIAL_GAP + PORT_GAP * (outputPorts.size() / 2.0 + i)));
port.getGUI().setOffset(offset);
}
// control-in
Port controlInPort = this.node.getControlInPort();
if (controlInPort != null) {
controlInPort.getGUI().setOffset(new Point(0, 0));
}
// control-out
for (Port controlOutPort : this.node.getControlOutPorts()) {
controlOutPort.getGUI().setOffset(new Point(getBounds().width, getBounds().height - this.headHeight / 2));
break; // Has only one
}
}
private void calculatePositions() {
this.polygon.reset();
Point position = getPosition();
this.polygon.addPoint(position.x, position.y);
this.polygon.addPoint(position.x, 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);
}
}