edu.uchicago.cs.hao.texdojo.bibeditor.dialogs.SelectEntryDialog.java Source code

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Here is the source code for edu.uchicago.cs.hao.texdojo.bibeditor.dialogs.SelectEntryDialog.java

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/*******************************************************************************
 * Copyright (c) 2016 Hao Jiang.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Hao Jiang - initial API and implementation and/or initial documentation
 *******************************************************************************/

package edu.uchicago.cs.hao.texdojo.bibeditor.dialogs;

import java.util.List;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;

import edu.uchicago.cs.hao.texdojo.bibeditor.editors.EditorUI.BibEntryColumnLabelProvider;
import edu.uchicago.cs.hao.texdojo.bibeditor.filemodel.BibEntry;

/**
 * @author Hao Jiang
 *
 */
public class SelectEntryDialog extends Dialog {

    private List<BibEntry> entries;

    private Object[] choice;

    private TableViewer table;

    public SelectEntryDialog(Shell shell) {
        super(shell);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);

        TableColumnLayout tableColumnLayout = new TableColumnLayout();
        container.setLayout(tableColumnLayout);

        table = new TableViewer(container, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
        table.setContentProvider(new ArrayContentProvider());

        TableColumn typeColumn = new TableColumn(table.getTable(), SWT.NONE);
        typeColumn.setText("Type");
        TableViewerColumn typeColumnViewer = new TableViewerColumn(table, typeColumn);
        typeColumnViewer.setLabelProvider(new BibEntryColumnLabelProvider(1));

        TableColumn titleColumn = new TableColumn(table.getTable(), SWT.NONE);
        titleColumn.setText("Title");
        TableViewerColumn titleColumnViewer = new TableViewerColumn(table, titleColumn);
        titleColumnViewer.setLabelProvider(new BibEntryColumnLabelProvider(2));

        TableColumn yearColumn = new TableColumn(table.getTable(), SWT.NONE);
        yearColumn.setText("Year");
        TableViewerColumn yearColumnViewer = new TableViewerColumn(table, yearColumn);
        yearColumnViewer.setLabelProvider(new BibEntryColumnLabelProvider(3));

        TableColumn authorColumn = new TableColumn(table.getTable(), SWT.NONE);
        authorColumn.setText("Author");
        TableViewerColumn authorColumnViewer = new TableViewerColumn(table, authorColumn);
        authorColumnViewer.setLabelProvider(new BibEntryColumnLabelProvider(4));

        tableColumnLayout.setColumnData(typeColumn, new ColumnWeightData(5, 150, true));
        tableColumnLayout.setColumnData(titleColumn, new ColumnWeightData(50, 400, true));
        tableColumnLayout.setColumnData(yearColumn, new ColumnPixelData(50));
        tableColumnLayout.setColumnData(authorColumn, new ColumnWeightData(40, 400, true));

        table.setInput(entries);

        table.getTable().setLinesVisible(true);
        table.getTable().setHeaderVisible(true);

        table.addDoubleClickListener(new IDoubleClickListener() {
            @Override
            public void doubleClick(DoubleClickEvent event) {
                Object selected = ((IStructuredSelection) event.getSelection()).getFirstElement();
                if (null != selected) {
                    choice = new Object[] { selected };
                    SelectEntryDialog.this.close();
                }
            }
        });

        return container;
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText("Select an entry");
    }

    @Override
    protected Point getInitialSize() {
        return new Point(600, 260);
    }

    @Override
    protected void okPressed() {
        // Obtain selection
        IStructuredSelection sel = table.getStructuredSelection();
        if (!sel.isEmpty()) {
            choice = table.getStructuredSelection().toArray();
        }
        super.okPressed();
    }

    public void setEntries(List<BibEntry> entries) {
        this.entries = entries;
    }

    public Object[] getChoice() {
        return choice;
    }

}