com.googlecode.blaisemath.graph.app.GraphAppCanvas.java Source code

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Here is the source code for com.googlecode.blaisemath.graph.app.GraphAppCanvas.java

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/**
 * GraphAppCanvas.java
 * Created Jan 2016
 */
package com.googlecode.blaisemath.graph.app;

/*
 * #%L
 * BlaiseGraphTheory (v3)
 * --
 * Copyright (C) 2009 - 2016 Elisha Peterson
 * --
 * 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.
 * #L%
 */

import com.google.common.base.Function;
import com.google.common.base.Functions;
import com.googlecode.blaisemath.graph.Graph;
import com.googlecode.blaisemath.graph.GraphNodeMetric;
import com.googlecode.blaisemath.graph.view.GraphComponent;
import com.googlecode.blaisemath.graphics.core.DelegatingNodeLinkGraphic;
import com.googlecode.blaisemath.graphics.swing.PanAndZoomHandler;
import com.googlecode.blaisemath.style.AttributeSet;
import com.googlecode.blaisemath.style.Styles;
import com.googlecode.blaisemath.util.SetSelectionModel;
import java.awt.geom.Point2D;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Set;
import org.jdesktop.application.Action;

/**
 * Graph component for {@link GraphApp}.
 * 
 * @author elisha
 */
public class GraphAppCanvas extends GraphComponent {

    private final DelegatingNodeLinkGraphic graph;
    private final MetricScaler scaler = new MetricScaler();

    public GraphAppCanvas() {
        PanAndZoomHandler.install(this);

        graph = adapter.getViewGraph();
        graph.setDragEnabled(true);
        graph.setPointSelectionEnabled(true);

        graph.getNodeStyler().setLabelDelegate(Functions.toStringFunction());
        graph.getNodeStyler().setLabelStyleDelegate(new Function<Object, AttributeSet>() {
            @Override
            public AttributeSet apply(Object input) {
                double rad = ((Number) scaler.apply(input).get(Styles.MARKER_RADIUS)).doubleValue();
                Point2D offset = new Point2D.Double(rad, rad);
                return AttributeSet.createWithParent(Styles.defaultTextStyle()).and(Styles.FONT_SIZE, 8f)
                        .and(Styles.OFFSET, offset);
            }
        });
        graph.getNodeStyler().setStyleDelegate(scaler);
    }

    //<editor-fold defaultstate="collapsed" desc="PROPERTIES">

    @Override
    public void setGraph(Graph graph) {
        super.setGraph(graph);
        scaler.setGraph(graph);
    }

    public GraphNodeMetric getMetric() {
        return scaler.getMetric();
    }

    public void setMetric(GraphNodeMetric metric) {
        scaler.setMetric(metric);
    }

    //</editor-fold>

    //<editor-fold defaultstate="collapsed" desc="ACTIONS">    

    @Action
    public void startLayout() {
        getLayoutManager().setLayoutTaskActive(true);
    }

    @Action
    public void stopLayout() {
        getLayoutManager().setLayoutTaskActive(false);
    }

    @Action
    @Override
    public void zoomToAll() {
        super.zoomToAll();
    }

    @Action
    @Override
    public void zoomToSelected() {
        super.zoomToSelected();
    }

    @Action
    public void zoom100() {
        super.resetTransform();
    }

    @Action
    @Override
    public void zoomIn() {
        super.zoomIn();
    }

    @Action
    @Override
    public void zoomOut() {
        super.zoomOut();
    }

    //</editor-fold>

}