org.gw4e.eclipse.property.table.StringCustomListModel.java Source code

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Here is the source code for org.gw4e.eclipse.property.table.StringCustomListModel.java

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package org.gw4e.eclipse.property.table;

/*-
 * #%L
 * gw4e
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2017 gw4e-project
 * %%
 * 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.
 * #L%
 */

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Item;
import org.gw4e.eclipse.message.MessageUtil;

/**
 * A Custom Model managing String
 *
 */
public class StringCustomListModel extends CustomListModel {

    private CustomTableSorter sorter = new CustomTableSorter() {
        public int compare(Viewer viewer, Object e1, Object e2) {
            int rc = 0;
            String s1 = (String) e1;
            String s2 = (String) e2;
            switch (column) {
            case 0:
                rc = (s1).compareTo(s2);
                break;
            }
            if (direction == DESCENDING) {
                rc = -rc;
            }
            return rc;
        }
    };

    List<String> folders = new ArrayList<String>();

    public StringCustomListModel(String groupname, String[] values) {
        super(groupname);
        for (int i = 0; i < values.length; i++) {
            this.folders.add(values[i]);
        }
    }

    @Override
    protected void add(TableViewer listViewer, SelectionEvent event) {
        folders.add(MessageUtil.getString("enteranewvalue"));
    }

    @Override
    protected void remove(IStructuredSelection selection) {
        String text = (String) selection.getFirstElement();
        boolean b = folders.remove(text);
    }

    @Override
    protected IStructuredContentProvider getContentProvider() {
        return new IStructuredContentProvider() {
            public Object[] getElements(Object inputElement) {
                String[] ret = new String[folders.size()];
                folders.toArray(ret);
                return ret;
            }

            public void dispose() {
            }

            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

            }
        };

    }

    @Override
    protected ITableLabelProvider getLabelProvider() {
        return new ITableLabelProvider() {

            @Override
            public void addListener(ILabelProviderListener arg0) {

            }

            @Override
            public void dispose() {
            }

            @Override
            public boolean isLabelProperty(Object arg0, String arg1) {
                return false;
            }

            @Override
            public void removeListener(ILabelProviderListener arg0) {

            }

            @Override
            public Image getColumnImage(Object arg0, int arg1) {
                return null;
            }

            @Override
            public String getColumnText(Object arg0, int arg1) {
                String ret = (String) arg0;
                return ret;
            }

        };
    }

    @Override
    protected CustomTableSorter getViewerSorter() {
        return sorter;
    }

    @Override
    protected ViewerFilter getViewerFilter() {
        return new ViewerFilter() {
            public boolean select(Viewer viewer, Object parentElement, Object element) {
                return true;
            }
        };
    }

    @Override
    protected String[] getData() {
        String[] ret = new String[folders.size()];
        folders.toArray(ret);
        return ret;
    }

    @Override
    protected void update(Item item, String newValue) {
        if (item == null)
            return;
        String value = (String) item.getData();
        int index = this.folders.indexOf(value);
        if (index == -1)
            return;
        this.folders.set(index, newValue);

    }

    @Override
    protected void resetData(String[] data) {
        folders.clear();
        for (int i = 0; i < data.length; i++) {
            folders.add(data[i]);
        }
    }

}