com.svcdelivery.liquibase.eclipse.internal.ui.ScriptsViewPart.java Source code

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Here is the source code for com.svcdelivery.liquibase.eclipse.internal.ui.ScriptsViewPart.java

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/**
 * Copyright 2012 Nick Wilson
 *
 * 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 com.svcdelivery.liquibase.eclipse.internal.ui;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.ui.part.ViewPart;

/**
 * View to show all of the available scripts in the workspace.
 * 
 * @author nick
 */
public class ScriptsViewPart extends ViewPart implements ChangeLogListener {

    private TreeViewer scripts;

    /**
     * @param parent
     *            The parent composite.
     * @see org.eclipse.ui.part.WorkbenchPart
     *      #createPartControl(org.eclipse.swt.widgets.Composite)
     */
    @Override
    public final void createPartControl(final Composite parent) {
        scripts = new TreeViewer(parent);
        Tree scriptsTree = scripts.getTree();
        TreeColumn nameColumn = new TreeColumn(scriptsTree, SWT.NONE);
        nameColumn.setText("Name");
        nameColumn.setWidth(300);
        TreeColumn projectColumn = new TreeColumn(scriptsTree, SWT.NONE);
        projectColumn.setText("Project");
        projectColumn.setWidth(150);
        TreeColumn pathColumn = new TreeColumn(scriptsTree, SWT.NONE);
        pathColumn.setText("Path");
        pathColumn.setWidth(350);
        ChangeLogCache changeLogCache = Activator.getDefault().getChangeLogCache();
        scripts.setContentProvider(new ScriptsTreeContentProvider());
        scripts.setLabelProvider(new ScriptsTreeLabelProvider());
        scripts.setInput(changeLogCache);
        changeLogCache.addChangeLogListener(this);
    }

    @Override
    public void dispose() {
        ChangeLogCache changeLogCache = Activator.getDefault().getChangeLogCache();
        changeLogCache.removeChangeLogListener(this);
        super.dispose();
    }

    @Override
    public void setFocus() {
    }

    @Override
    public void changeLogUpdated(final IFile file) {
        Display.getDefault().asyncExec(new Runnable() {

            @Override
            public void run() {
                scripts.refresh();
            }
        });
    }

    @Override
    public void changeLogRemoved(final IFile file) {
        Display.getDefault().asyncExec(new Runnable() {

            @Override
            public void run() {
                scripts.remove(file);
            }
        });
    }

}