gradle4eclipse.actions.TreeDoubleClickAction.java Source code

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Here is the source code for gradle4eclipse.actions.TreeDoubleClickAction.java

Source

/*
Gradle4Eclipse Eclipse plugin
Copyright (C) 2013  Filip Muncan
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package gradle4eclipse.actions;

import gradle4eclipse.model.TreeObject;
import gradle4eclipse.model.TreeParent;
import gradle4eclipse.view.RunCommand;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;

public class TreeDoubleClickAction extends Action {

    private TreeViewer viewer;

    public TreeDoubleClickAction(TreeViewer viewer) {
        this.viewer = viewer;
    }

    public void addListener() {
        this.viewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                run();
            }
        });
    }

    public void run() {
        ISelection selection = viewer.getSelection();
        Object obj = ((IStructuredSelection) selection).getFirstElement();
        if (obj instanceof TreeObject && !(obj instanceof TreeParent))
            RunCommand.getInstance().run(((TreeObject) obj).getRun(), true);
        if (viewer.getExpandedState(obj))
            viewer.collapseToLevel(obj, AbstractTreeViewer.ALL_LEVELS);
        else
            viewer.expandToLevel(obj, 1);
    }
}