StatisticsPresentation.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * 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 org.jkiss.dbeaver.ui.controls.resultset.view;

import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.jkiss.code.NotNull;
import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.model.DBValueFormatting;
import org.jkiss.dbeaver.model.data.DBDAttributeBinding;
import org.jkiss.dbeaver.model.data.DBDDisplayFormat;
import org.jkiss.dbeaver.ui.UIUtils;
import org.jkiss.dbeaver.ui.controls.resultset.AbstractPresentation;
import org.jkiss.dbeaver.ui.controls.resultset.IResultSetController;
import org.jkiss.dbeaver.ui.controls.resultset.ResultSetCopySettings;
import org.jkiss.dbeaver.ui.controls.resultset.ResultSetRow;

/**
 * Execution statistics presentation.
 * Special internal presentation for execution statistics visualization.
 */
public class StatisticsPresentation extends AbstractPresentation {

    private Table table;
    private DBDAttributeBinding curAttribute;

    @Override
    public void createPresentation(@NotNull IResultSetController controller, @NotNull Composite parent) {
        super.createPresentation(controller, parent);
        UIUtils.createHorizontalLine(parent);
        table = new Table(parent, SWT.MULTI | SWT.FULL_SELECTION);
        table.setLinesVisible(true);
        table.setHeaderVisible(true);
        table.setLayoutData(new GridData(GridData.FILL_BOTH));

        table.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                curAttribute = null;
                TableItem[] selection = table.getSelection();
                Object[] elements = new Object[selection.length];
                for (int i = 0; i < selection.length; i++) {
                    elements[i] = selection[i].getData();
                    if (curAttribute == null) {
                        curAttribute = (DBDAttributeBinding) elements[i];
                    }
                }
                fireSelectionChanged(new StructuredSelection(elements));
            }
        });

        UIUtils.createTableColumn(table, SWT.LEFT, "Name");
        UIUtils.createTableColumn(table, SWT.LEFT, "Value");
    }

    @Override
    public Control getControl() {
        return table;
    }

    @Override
    public void refreshData(boolean refreshMetadata, boolean append, boolean keepState) {
        table.removeAll();

        ResultSetRow row = controller.getModel().getRow(0);
        java.util.List<DBDAttributeBinding> visibleAttributes = controller.getModel().getVisibleAttributes();
        for (int i = 0; i < visibleAttributes.size(); i++) {
            DBDAttributeBinding attr = visibleAttributes.get(i);
            Object value = row.getValues()[i];
            TableItem item = new TableItem(table, SWT.LEFT);
            item.setText(0, attr.getName());
            item.setText(1, DBValueFormatting.getDefaultValueDisplayString(value, DBDDisplayFormat.UI));
            item.setData(attr);
        }

        UIUtils.packColumns(table);
    }

    @Override
    public void formatData(boolean refreshData) {

    }

    @Override
    public void clearMetaData() {

    }

    @Override
    public void updateValueView() {

    }

    @Override
    public void changeMode(boolean recordMode) {

    }

    @Nullable
    @Override
    public DBDAttributeBinding getCurrentAttribute() {
        return curAttribute;
    }

    @Nullable
    @Override
    public String copySelectionToString(ResultSetCopySettings settings) {
        return null;
    }

}