de.br0tbox.gitfx.ui.history.JavaFxPlotRenderer.java Source code

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Here is the source code for de.br0tbox.gitfx.ui.history.JavaFxPlotRenderer.java

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/*
 * Copyright 2013 Timm Hirsens
 *
 * 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 de.br0tbox.gitfx.ui.history;

import javafx.scene.Group;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.text.Text;

import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revplot.AbstractPlotRenderer;
import org.eclipse.jgit.revplot.PlotCommit;

import de.br0tbox.gitfx.ui.history.JavaFxCommitList.JavaFxLane;

public class JavaFxPlotRenderer extends AbstractPlotRenderer<JavaFxLane, Color> {

    private Group currentShape;

    public Group draw(PlotCommit<JavaFxLane> commit, double height) {
        currentShape = new Group();
        paintCommit(commit, (int) height);
        currentShape.layout();
        return currentShape;
    }

    @Override
    protected int drawLabel(int x, int y, Ref ref) {
        String refName = ref.getName();
        if (refName.contains(Constants.R_HEADS)) {
            refName = refName.substring(Constants.R_HEADS.length(), refName.length());
        }
        if (refName.contains(Constants.R_REMOTES)) {
            refName = refName.substring(Constants.R_REMOTES.length(), refName.length());
        }
        if (refName.contains(Constants.R_TAGS)) {
            refName = refName.substring(Constants.R_TAGS.length(), refName.length());
        }
        final Text text = new Text(refName);
        text.setX(x);
        text.setY(y * 1.5);
        text.setFill(Color.RED);
        final double fontSize = text.getFont().getSize();
        final int width = (int) Math.floor(fontSize * refName.trim().length() / 2);
        // final Rectangle rectangle = RectangleBuilder.create().x(x).y(y /
        // 2).width(width).height(fontSize + 3).fill(Color.RED).build();
        // currentShape.getChildren().add(rectangle);
        currentShape.getChildren().add(text);
        return (int) Math.floor(10 + width);
    }

    @Override
    protected Color laneColor(JavaFxLane myLane) {
        if (myLane != null) {
            return myLane.color;
        }
        return Color.GRAY;
    }

    @Override
    protected void drawLine(Color color, int x1, int y1, int x2, int y2, int width) {
        final Line path = new Line();
        path.setStartX(x1);
        path.setStartY(y1);
        path.setEndX(x2);
        path.setEndY(y2);
        path.setStrokeWidth(width);
        path.setStroke(color);
        // XXX: Without this circle, all the lines will be off.
        final Circle placeHolder = new Circle();
        currentShape.getChildren().add(placeHolder);
        currentShape.getChildren().add(path);
    }

    @Override
    protected void drawCommitDot(int x, int y, int w, int h) {
        final Circle circle = new Circle();
        circle.setCenterX(Math.floor(x + w / 2) + 1);
        circle.setCenterY(Math.floor(y + h / 2));
        circle.setRadius(Math.floor(w / 2));
        circle.setFill(Color.DARKGRAY);
        final Circle innerCircle = new Circle();
        innerCircle.setCenterX(Math.floor(x + w / 2 + 1));
        innerCircle.setCenterY(Math.floor(y + h / 2));
        innerCircle.setRadius(Math.floor(w / 2 - 2));
        innerCircle.setFill(Color.WHITE);
        currentShape.getChildren().add(circle);
        currentShape.getChildren().add(innerCircle);
    }

    @Override
    protected void drawBoundaryDot(int x, int y, int w, int h) {
        final Circle circle = new Circle();
        circle.setCenterX(x + w / 2);
        circle.setCenterY(y + h / 2);
        circle.setRadius(h / 2);
        circle.setFill(Color.GRAY);
        final Circle innerCircle = new Circle();
        innerCircle.setCenterX(Math.floor(x + w / 2 + 1));
        innerCircle.setCenterY(Math.floor(y + h / 2));
        innerCircle.setRadius(Math.floor(w / 2 - 2));
        innerCircle.setFill(Color.LIGHTGRAY);
        currentShape.getChildren().add(circle);
        currentShape.getChildren().add(innerCircle);
    }

    @Override
    protected void drawText(String msg, int x, int y) {
        final Text text = new Text(msg);
        text.setX(x);
        text.setY(y * 1.5);
        currentShape.getChildren().add(text);
    }

    public Group getCurrentShape() {
        return currentShape;
    }
}