package com.highdatas.mdm.process.canvas;
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import org.activiti.bpmn.model.AssociationDirection;
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import org.activiti.bpmn.model.GraphicInfo;
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import org.activiti.image.impl.DefaultProcessDiagramCanvas;
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import java.awt.*;
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import java.awt.geom.Line2D.Double;
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import java.awt.geom.RoundRectangle2D;
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public class ProcessDiagramCanvas extends DefaultProcessDiagramCanvas {
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protected static Color HIGHLIGHT_COLOR = new Color(62,173,252);
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private static Color RUNNING_COLOR = Color.RED;
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private static Color HISTORY_COLOR = Color.GREEN;
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protected static int ICON_PADDING = 3;
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private String annotationFontName;
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public ProcessDiagramCanvas(int width, int height, int minX, int minY,
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String imageType) {
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super(width, height, minX, minY, imageType);
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this.activityFontName = "宋体";
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this.labelFontName = "宋体";
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this.annotationFontName = "宋体";
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initialize(imageType);
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}
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@Override
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public void drawHighLight(int x, int y, int width, int height) {
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Paint originalPaint = g.getPaint();
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Stroke originalStroke = g.getStroke();
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g.setPaint(HIGHLIGHT_COLOR);
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g.setStroke(THICK_TASK_BORDER_STROKE);
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RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
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g.draw(rect);
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g.setPaint(originalPaint);
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g.setStroke(originalStroke);
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}
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@Override
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public void drawConnection(int[] xPoints, int[] yPoints, boolean conditional, boolean isDefault, String connectionType, AssociationDirection associationDirection, boolean highLighted, double scaleFactor)
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{
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Paint originalPaint = this.g.getPaint();
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Stroke originalStroke = this.g.getStroke();
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this.g.setPaint(CONNECTION_COLOR);
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if (connectionType.equals("association")) {
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this.g.setStroke(ASSOCIATION_STROKE);
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} else if (highLighted) {
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this.g.setPaint(HIGHLIGHT_COLOR);
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this.g.setStroke(HIGHLIGHT_FLOW_STROKE);
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}
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for (int i = 1; i < xPoints.length; ++i) {
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Integer sourceX = Integer.valueOf(xPoints[(i - 1)]);
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Integer sourceY = Integer.valueOf(yPoints[(i - 1)]);
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Integer targetX = Integer.valueOf(xPoints[i]);
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Integer targetY = Integer.valueOf(yPoints[i]);
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// e.g.(0,0) ---> (10,20) (0,20) (10,20)
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Double line1 = new Double(sourceX.intValue(), sourceY.intValue(), sourceX.intValue(), targetY.intValue());
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Double line2 = new Double(sourceX.intValue(), targetY.intValue(), targetX.intValue(), targetY.intValue());
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//Line2D.Double line = new Line2D.Double(sourceX.intValue(), sourceY.intValue(), targetX.intValue(), targetY.intValue());
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this.g.draw(line1);
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this.g.draw(line2);
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}
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Double line;
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if (isDefault) {
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line = new Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
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drawDefaultSequenceFlowIndicator(line, scaleFactor);
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}
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if (conditional) {
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line = new Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
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drawConditionalSequenceFlowIndicator(line, scaleFactor);
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}
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if ((associationDirection.equals(AssociationDirection.ONE)) || (associationDirection.equals(AssociationDirection.BOTH))) {
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line = new Double(xPoints[(xPoints.length - 2)], yPoints[(xPoints.length - 2)], xPoints[(xPoints.length - 1)], yPoints[(xPoints.length - 1)]);
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drawArrowHead(line, scaleFactor);
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}
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if (associationDirection.equals(AssociationDirection.BOTH)) {
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line = new Double(xPoints[1], yPoints[1], xPoints[0], yPoints[0]);
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drawArrowHead(line, scaleFactor);
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}
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this.g.setPaint(originalPaint);
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this.g.setStroke(originalStroke);
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}
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@Override
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protected void drawTask(String name, GraphicInfo graphicInfo, boolean thickBorder){
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Paint originalPaint = this.g.getPaint();
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int x = (int)graphicInfo.getX();
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int y = (int)graphicInfo.getY();
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int width = (int)graphicInfo.getWidth();
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int height = (int)graphicInfo.getHeight();
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this.g.setPaint(TASK_BOX_COLOR);
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int arcR = 6;
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if (thickBorder) {
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arcR = 3;
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}
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RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 10, 10);
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this.g.fill(rect);
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this.g.setPaint(TASK_BORDER_COLOR);
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if (thickBorder) {
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Stroke originalStroke = this.g.getStroke();
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this.g.setStroke(THICK_TASK_BORDER_STROKE);
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this.g.draw(rect);
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this.g.setStroke(originalStroke);
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} else {
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this.g.draw(rect);
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}
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this.g.setPaint(originalPaint);
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if ((name != null) && (name.length() > 0)) {
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int boxWidth = width - 6;
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int boxHeight = height - 16 - ICON_PADDING - ICON_PADDING - 12 - 2 - 2;
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int boxX = x + width / 2 - (boxWidth / 2);
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int boxY = y + height / 2 - (boxHeight / 2) + ICON_PADDING + ICON_PADDING - 2 - 2;
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drawMultilineCentredText(name, boxX, boxY, boxWidth, boxHeight);
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}
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}
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}
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