org.vaadin.arborgraph.ArborGraph.java Source code

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Here is the source code for org.vaadin.arborgraph.ArborGraph.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014, David Lukacs
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.vaadin.arborgraph;

import org.vaadin.arborgraph.client.ui.VArborGraph;
import org.vaadin.arborgraph.util.BranchToJson;

import com.vaadin.terminal.PaintException;
import com.vaadin.terminal.PaintTarget;
import com.vaadin.ui.AbstractComponent;
import com.vaadin.ui.ClientWidget;

@ClientWidget(VArborGraph.class)
public class ArborGraph extends AbstractComponent {
    private static final long serialVersionUID = -814880102222515544L;

    private String graphModel;
    private BranchToJson branchToJson = new BranchToJson();

    @Override
    public void paintContent(PaintTarget target) throws PaintException {
        super.paintContent(target);

        if (graphModel != null) {
            target.addVariable(this, VArborGraph.UDIL_GRAPH_MODEL, graphModel);

            graphModel = null;
        }
    }

    public void showGraph(String jsonModel) {
        this.graphModel = jsonModel;

        requestRepaint();
    }

    public void showGraph(Branch branch) {
        this.graphModel = branchToJson.getJson(branch);

        requestRepaint();
    }

}