com.google.devtools.depan.remap_doc.eclipse.ui.editors.RemapTable.java Source code

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Here is the source code for com.google.devtools.depan.remap_doc.eclipse.ui.editors.RemapTable.java

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/*
 * Copyright 2007 The Depan Project Authors
 *
 * 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.google.devtools.depan.remap_doc.eclipse.ui.editors;

import com.google.devtools.depan.platform.TableContentProvider;
import com.google.devtools.depan.platform.eclipse.ui.tables.EditColTableDef;
import com.google.devtools.depan.remap_doc.model.MigrationRule;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Table;

import java.util.Collection;

/**
 * A Table showing a set of {@link MigrationRule}s.
 *
 * @author ycoppel@google.com (Yohann Coppel)
 *
 */
public class RemapTable {

    protected static final String COL_SOURCE = "Source";
    protected static final String COL_TARGET = "Target";

    private static final EditColTableDef[] TABLE_DEF = new EditColTableDef[] {
            new EditColTableDef(COL_SOURCE, false, COL_SOURCE, 300),
            new EditColTableDef(COL_TARGET, false, COL_TARGET, 300) };

    private Control control = null;

    private TableViewer tableViewer = null;
    private TableContentProvider<MigrationRule<?>> remapContent;

    public RemapTable(Composite parent) {
        control = setupControl(parent);
    }

    private Control setupControl(Composite parent) {
        Composite topLevel = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        topLevel.setLayout(layout);

        tableViewer = new TableViewer(topLevel, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);

        Table tableData = tableViewer.getTable();
        tableData.setHeaderVisible(true);
        EditColTableDef.setupTable(TABLE_DEF, tableData);

        CellEditor[] cellEditors = new CellEditor[4];
        cellEditors[0] = null;
        cellEditors[1] = null;
        cellEditors[2] = new TextCellEditor(tableData);
        cellEditors[3] = new TextCellEditor(tableData);

        tableViewer.setCellEditors(cellEditors);
        tableViewer.setColumnProperties(EditColTableDef.getProperties(TABLE_DEF));

        RemapTableHelper cellHelper = new RemapTableHelper();
        tableViewer.setLabelProvider(cellHelper);

        tableData.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        remapContent = new TableContentProvider<MigrationRule<?>>();
        remapContent.initViewer(tableViewer);

        return topLevel;
    }

    /**
     * Set the collection of MigrationRule to show.
     *
     * @param collection Collection of MigrationRules to show.
     */
    public void setData(Collection<MigrationRule<?>> collection) {
        remapContent.clear();
        for (MigrationRule<?> rule : collection) {
            remapContent.add(rule);
        }
        tableViewer.refresh(false);
    }

    /**
     * Refresh the tableViewer, and update if necessary the labels in the table.
     *
     * @param updateLabels if <code>true</code>, will update the labels.
     */
    public void refresh(boolean updateLabels) {
        tableViewer.refresh(updateLabels);
    }

    /**
     * @return the top level Control for this widget.
     */
    public Control getControl() {
        return control;
    }

}