defaultconfigurationpage.java

EclipseTrader is a stock exchange analysis system, featuring shares pricing watch, intraday and hi

/*
 * Copyright (c) 2004-2006 Marco Maccaferri and others.
 * 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:
 *     Marco Maccaferri - initial API and implementation
 */

package net.sourceforge.eclipsetrader.charts.preferences;

import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;

import net.sourceforge.eclipsetrader.charts.ChartsPlugin;
import net.sourceforge.eclipsetrader.charts.dialogs.IndicatorSettingsDialog;
import net.sourceforge.eclipsetrader.charts.internal.Messages;
import net.sourceforge.eclipsetrader.charts.views.ChartView;
import net.sourceforge.eclipsetrader.core.CorePlugin;
import net.sourceforge.eclipsetrader.core.db.Chart;
import net.sourceforge.eclipsetrader.core.db.ChartIndicator;
import net.sourceforge.eclipsetrader.core.db.ChartObject;
import net.sourceforge.eclipsetrader.core.db.ChartRow;
import net.sourceforge.eclipsetrader.core.db.ChartTab;
import net.sourceforge.eclipsetrader.core.db.visitors.IChartVisitor;

import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

public class DefaultConfigurationPage extends PreferencePage implements IWorkbenchPreferencePage
{
    Combo period;
    Text begin;
    Text end;
    Combo interval;
    Tree tree;
    Button addRow;
    Button addTab;
    Button addIndicator;
    Button settings;
    Button remove;
    Chart chart = ChartsPlugin.createDefaultChart();

    public DefaultConfigurationPage()
    {
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    public void init(IWorkbench workbench)
    {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
     */
    protected Control createContents(Composite parent)
    {
        Composite content = new Composite(parent, SWT.NONE);
        GridLayout gridLayout = new GridLayout(2, false);
        gridLayout.marginWidth = gridLayout.marginHeight = 0;
        content.setLayout(gridLayout);

        Label label = new Label(content, SWT.NONE);
        label.setText(Messages.DefaultConfigurationPage_Period);
        label.setLayoutData(new GridData(125, SWT.DEFAULT));
        period = new Combo(content, SWT.READ_ONLY);
        period.add(Messages.Period_All);
        period.add(Messages.Period_2Years);
        period.add(Messages.Period_1Year);
        period.add(Messages.Period_6Months);
        period.add(Messages.Period_Custom);
        switch(chart.getPeriod())
        {
            case ChartView.PERIOD_ALL:
                period.select(0);
                break;
            case ChartView.PERIOD_LAST2YEARS:
                period.select(1);
                break;
            case ChartView.PERIOD_LASTYEAR:
                period.select(2);
                break;
            case ChartView.PERIOD_LAST6MONTHS:
                period.select(3);
                break;
            case ChartView.PERIOD_CUSTOM:
                period.select(4);
                break;
        }
        period.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e)
            {
                begin.setEnabled(period.getSelectionIndex() == 4);
                end.setEnabled(period.getSelectionIndex() == 4);
            }
        });

        label = new Label(content, SWT.NONE);
        label.setText(Messages.DefaultConfigurationPage_BeginDate);
        begin = new Text(content, SWT.BORDER);
        if (chart.getBeginDate() != null)
            begin.setText(CorePlugin.getDateFormat().format(chart.getBeginDate()));
        begin.setEnabled(period.getSelectionIndex() == 4);
        begin.setLayoutData(new GridData(70, SWT.DEFAULT));
        begin.addFocusListener(new FocusAdapter() {
            public void focusLost(FocusEvent e)
            {
                adjustDateFormat(begin);
            }
        });

        label = new Label(content, SWT.NONE);
        label.setText(Messages.DefaultConfigurationPage_EndDate);
        end = new Text(content, SWT.BORDER);
        if (chart.getEndDate() != null)
            end.setText(CorePlugin.getDateFormat().format(chart.getEndDate()));
        end.setEnabled(period.getSelectionIndex() == 4);
        end.setLayoutData(new GridData(70, SWT.DEFAULT));
        end.addFocusListener(new FocusAdapter() {
            public void focusLost(FocusEvent e)
            {
                adjustDateFormat(end);
            }
        });

        label = new Label(content, SWT.NONE);
        label.setText(Messages.DefaultConfigurationPage_Interval);
        interval = new Combo(content, SWT.READ_ONLY);
        interval.add(Messages.Interval_Monthly);
        interval.add(Messages.Interval_Weekly);
        interval.add(Messages.Interval_Daily);
        interval.add(Messages.Interval_1Hour);
        interval.add(Messages.Interval_30Min);
        interval.add(Messages.Interval_15Min);
        interval.add(Messages.Interval_10Min);
        interval.add(Messages.Interval_5Min);
        interval.add(Messages.Interval_2Min);
        interval.add(Messages.Interval_1Min);
        interval.select(10 - chart.getCompression());
        
        label = new Label(content, SWT.NONE);
        label.setText(Messages.DefaultConfigurationPage_Layout);
        label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

        Composite group = new Composite(content, SWT.NONE);
        gridLayout = new GridLayout(2, false);
        gridLayout.marginWidth = gridLayout.marginHeight = 0;
        group.setLayout(gridLayout);
        group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

        tree = new Tree(group, SWT.SINGLE|SWT.FULL_SELECTION|SWT.BORDER);
        tree.setHeaderVisible(false);
        tree.setLinesVisible(false);
        tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        ((GridData)tree.getLayoutData()).heightHint = 200;
        tree.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e)
            {
                updateButtonsEnablement();
            }
        });
        tree.addMouseListener(new MouseAdapter() {
            public void mouseDown(MouseEvent e)
            {
                if (tree.getItem(new Point(e.x, e.y)) == null)
                {
                    tree.deselectAll();
                    updateButtonsEnablement();
                }
            }
        });

        Composite buttonsComposite = new Composite(group, SWT.NONE);
        gridLayout = new GridLayout(1, false);
        gridLayout.marginWidth = gridLayout.marginHeight = 0;
        buttonsComposite.setLayout(gridLayout);
        buttonsComposite.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false));
        
        addRow = new Button(buttonsComposite, SWT.PUSH);
        addRow.setText(Messages.DefaultConfigurationPage_AddRow);
        addRow.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
        addRow.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e)
            {
                int index = -1;
                
                TreeItem[] selection = tree.getSelection();
                if (selection.length != 0)
                {
                    TreeItem treeItem = selection[0];
                    while(treeItem.getParentItem() != null)
                        treeItem = treeItem.getParentItem();
                    index = tree.indexOf(selection[0]);
                }

                if (index != -1)
                    chart.add(index + 1, new ChartRow());
                else
                    chart.add(new ChartRow());
                updateTree();
            }
        });
        
        addTab = new Button(buttonsComposite, SWT.PUSH);
        addTab.setText(Messages.DefaultConfigurationPage_AddTab);
        addTab.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
        addTab.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e)
            {
                InputDialog dlg = new InputDialog(tree.getShell(), Messages.DefaultConfigurationPage_AddTabDialogTitle, Messages.DefaultConfigurationPage_AddTabDialogMessage, "", new IInputValidator() { //$NON-NLS-3$ //$NON-NLS-1$
                    public String isValid(String newText)
                    {
                        return newText.length() == 0 ? "" : null; //$NON-NLS-1$
                    }
                });
                if (dlg.open() == InputDialog.OK)
                {
                    ChartTab tab = new ChartTab();
                    tab.setLabel(dlg.getValue());

                    TreeItem[] selection = tree.getSelection();
                    if (selection.length != 0)
                    {
                        if (selection[0].getData() instanceof ChartRow)
                            ((ChartRow)selection[0].getData()).add(tab);
                        else if (selection[0].getData() instanceof ChartTab)
                            ((ChartTab)selection[0].getData()).getParent().add(tab);
                        else if (selection[0].getData() instanceof ChartIndicator)
                            ((ChartIndicator)selection[0].getData()).getParent().getParent().add(tab);
                        updateTree();
                    }
                }
            }
        });
        
        addIndicator = new Button(buttonsComposite, SWT.PUSH);
        addIndicator.setText(Messages.DefaultConfigurationPage_AddIndicator);
        addIndicator.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
        addIndicator.addSelectionListener(new SelectionAdapter() {