chartview.java

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

    };
    Runnable updateMarketValue = new Runnable() {
        public void run()
        {
            if (!sashForm.isDisposed())
            {
                Control[] rows = sashForm.getChildren();
                for (int r = 0; r < rows.length; r++)
                {
                    if (rows[r] instanceof ChartTabFolder)
                    {
                        CTabItem[] items = ((ChartTabFolder)rows[r]).getItems();
                        for (int i = 0; i < items.length; i++)
                        {
                            if (items[i] instanceof ChartTabItem)
                            {
                                ChartTab tab = ((ChartTabItem)items[i]).getChartTab();
                                ChartIndicator[] obj = (ChartIndicator[])tab.getIndicators().toArray(new ChartIndicator[tab.getIndicators().size()]);
                                for (int x = 0; x < obj.length; x++)
                                {
                                    if (obj[x].getPluginId().equals("net.sourceforge.eclipsetrader.indicators.bars") || obj[x].getPluginId().equals("net.sourceforge.eclipsetrader.indicators.line"))
                                    {
                                        Plot plot = ((ChartTabItem)items[i]).getPlot();
                                        if (showMarketValue && security.getQuote() != null)
                                        {
                                            plot.getScalePlot().setMarketValue(security.getQuote().getLast());
                                            plot.getIndicatorPlot().setMarketValue(security.getQuote().getLast());
                                        }
                                        else
                                        {
                                            plot.getIndicatorPlot().hideMarketValue();
                                            plot.getScalePlot().hideMarketValue();
                                        }
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    };
    Observer quoteObserver = new Observer() {
        public void update(Observable o, Object arg)
        {
            sashForm.getDisplay().syncExec(new Runnable() {
                public void run()
                {
                    if (!sashForm.isDisposed())
                        sashForm.getDisplay().timerExec(200, updateMarketValue);
                }
            });
        }
    };
    List observedHistories = new ArrayList();
    Runnable updateViewRunnable = new Runnable() {
        public void run()
        {
            if (!sashForm.isDisposed())
                updateView();
        }
    };
    Observer chartUpdateObserver = new Observer() {
        public void update(Observable o, Object arg)
        {
            sashForm.getDisplay().syncExec(new Runnable() {
                public void run()
                {
                    if (!sashForm.isDisposed())
                    {
                        setPartName(chart.getTitle());
                        sashForm.getDisplay().timerExec(200, updateViewRunnable);
                    }
                }
            });
        }
    };
    IPropertyChangeListener pluginPropertiesChangeListener = new IPropertyChangeListener() {

        public void propertyChange(PropertyChangeEvent event)
        {
            if (event.getProperty().equals(ChartsPlugin.PREFS_EXTEND_SCALE))
            {
                int range = ((Integer)event.getNewValue()).intValue();
                for(Iterator iter = tabGroups.iterator(); iter.hasNext(); )
                {
                    CTabFolder folder = (CTabFolder)iter.next();
                    CTabItem[] items = folder.getItems();
                    for (int i = 0; i < items.length; i++)
                        ((Plot)items[i].getControl()).getScaler().setExtendRange(range);
                }
                redrawView();
            }
            else if (event.getProperty().equals(ChartsPlugin.PREFS_EXTEND_PERIOD))
            {
                datePlot.setExtendPeriod(((Integer)event.getNewValue()).intValue());
                updateView();
            }
        }
    };
    
    public static IPath getPreferenceStoreLocation(Chart chart)
    {
        return ChartsPlugin.getDefault().getStateLocation().append("chart." + String.valueOf(chart.getId()) + ".prefs");
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.part.ViewPart#init(org.eclipse.ui.IViewSite)
     */
    public void init(IViewSite site) throws PartInitException
    {
        IMenuManager menuManager = site.getActionBars().getMenuManager();
        menuManager.add(new Separator("top")); //$NON-NLS-1$
        menuManager.add(new Separator("group1")); //$NON-NLS-1$
        menuManager.add(new Separator("group2")); //$NON-NLS-1$
        menuManager.add(new Separator("group3")); //$NON-NLS-1$
        menuManager.add(new Separator("group4")); //$NON-NLS-1$
        menuManager.add(new Separator("group5")); //$NON-NLS-1$
        menuManager.add(new Separator("group6")); //$NON-NLS-1$
        menuManager.add(new Separator("additions")); //$NON-NLS-1$
        menuManager.add(new Separator("bottom")); //$NON-NLS-1$
        
        IMenuManager newObjectMenu = new MenuManager(Messages.ChartView_NewObject, "newObject"); //$NON-NLS-2$
        menuManager.appendToGroup("group2", newObjectMenu); //$NON-NLS-1$

        IExtensionRegistry registry = Platform.getExtensionRegistry();
        IExtensionPoint extensionPoint = registry.getExtensionPoint(ChartsPlugin.OBJECTS_EXTENSION_POINT);
        if (extensionPoint != null)
        {
            IConfigurationElement[] members = extensionPoint.getConfigurationElements();
            java.util.List plugins = Arrays.asList(members);
            Collections.sort(plugins, new Comparator() {
                public int compare(Object arg0, Object arg1)
                {
                    if ((arg0 instanceof IConfigurationElement) && (arg1 instanceof IConfigurationElement))
                    {
                        String s0 = ((IConfigurationElement) arg0).getAttribute("name"); //$NON-NLS-1$
                        String s1 = ((IConfigurationElement) arg1).getAttribute("name"); //$NON-NLS-1$
                        return s0.compareTo(s1);
                    }
                    return 0;
                }
            });

            for (Iterator iter = plugins.iterator(); iter.hasNext(); )
            {
                IConfigurationElement element = (IConfigurationElement)iter.next();
                Action action = new Action(element.getAttribute("name")) { //$NON-NLS-1$
                    public void run()
                    {
                        ChartObject object = new ChartObject();
                        object.setPluginId(getId());
                        setNewChartObject(object);
                    }
                };
                action.setId(element.getAttribute("id")); //$NON-NLS-1$
                newObjectMenu.add(action);
            }
        }

        IMenuManager periodMenu = new MenuManager(Messages.ChartView_Period, "period"); //$NON-NLS-2$
        menuManager.appendToGroup("group3", periodMenu); //$NON-NLS-1$
        periodMenu.add(viewAll);
        periodMenu.add(viewLast2Years);
        periodMenu.add(viewLastYear);
        periodMenu.add(viewLast6Months);
        periodMenu.add(viewCustom);
        
        IMenuManager intervalMenu = new MenuManager(Messages.ChartView_SetInterval, "interval"); //$NON-NLS-2$
        menuManager.appendToGroup("group3", intervalMenu); //$NON-NLS-1$
        intervalMenu.add(monthlyAction);
        intervalMenu.add(weeklyAction);
        intervalMenu.add(dailyAction);
        intervalMenu.add(minute60Action);
        intervalMenu.add(minute30Action);
        intervalMenu.add(minute15Action);
        intervalMenu.add(minute10Action);
        intervalMenu.add(minute5Action);
        intervalMenu.add(minute2Action);
        intervalMenu.add(minute1Action);

        menuManager.appendToGroup("group3", new Separator()); //$NON-NLS-1$
        menuManager.appendToGroup("group3", autoScaleAction); //$NON-NLS-1$
        
        toggleAdjustedValuesAction = new Action("Show adjusted values", Action.AS_CHECK_BOX) {
            public void run()
            {
                showAdjustedValues = toggleAdjustedValuesAction.isChecked();
                preferences.setValue(PREFS_SHOW_ADJUSTED_VALUES, showAdjustedValues);
                updateView();
            }
        };
        menuManager.appendToGroup("group3", toggleAdjustedValuesAction); //$NON-NLS-1$
        
        toggleMarketValueAction = new Action("Show market value", Action.AS_CHECK_BOX) {
            public void run()
            {
                showMarketValue = toggleMarketValueAction.isChecked();
                preferences.setValue(PREFS_SHOW_MARKETVALUE, showMarketValue);
                if (showMarketValue)
                {
                    security.getQuoteMonitor().addObserver(quoteObserver);
                    quoteObserver.update(security, security.getQuote());
                    FeedMonitor.monitor(security);
                }
                else
                {
                    security.getQuoteMonitor().deleteObserver(quoteObserver);
                    FeedMonitor.cancelMonitor(security);
                }
                quoteObserver.update(security, security.getQuote());
            }
        };
        menuManager.appendToGroup("group3", toggleMarketValueAction); //$NON-NLS-1$
        
        toggleFollowSelectionAction = new Action("Follow Security Selection", Action.AS_CHECK_BOX) {
            public void run()
            {
                followSelection = toggleFollowSelectionAction.isChecked();
                preferences.setValue(PREFS_FOLLOW_SELECTION, followSelection);
                setContentDescription(followSelection ? security.getDescription() : "");
            }
        };
        menuManager.appendToGroup("group3", toggleFollowSelectionAction); //$NON-NLS-1$
        
        IToolBarManager toolBarManager = site.getActionBars().getToolBarManager();
        toolBarManager.add(new Separator("begin")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group1")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group2")); //$NON-NLS-1$
        toolBarManager.add(new Separator("refresh")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group3")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group4")); //$NON-NLS-1$
        toolBarManager.add(new Separator("objects")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group5")); //$NON-NLS-1$
        toolBarManager.add(new Separator("group6")); //$NON-NLS-1$
        toolBarManager.add(new Separator("additions")); //$NON-NLS-1$
        toolBarManager.add(new Separator("end")); //$NON-NLS-1$
        
        site.getActionBars().updateActionBars();
        
        super.init(site);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
     */
    public void createPartControl(Composite parent)
    {
        DropTarget target = new DropTarget(parent, DND.DROP_COPY|DND.DROP_MOVE);
        target.setTransfer(new Transfer[] { SecurityTransfer.getInstance() });
        target.addDropListener(dropTargetListener);
        
        IThemeManager themeManager = PlatformUI.getWorkbench().getThemeManager();
        themeManager.addPropertyChangeListener(themeChangeListener);
        theme = themeManager.getCurrentTheme();
        theme.addPropertyChangeListener(themeChangeListener);

        Composite content = new Composite(parent, SWT.H_SCROLL);
        GridLayout gridLayout = new GridLayout();
        gridLayout.marginWidth = gridLayout.marginHeight = 2;
        gridLayout.horizontalSpacing = gridLayout.verticalSpacing = 0;
        content.setLayout(gridLayout);
        content.addTraverseListener(new TraverseListener() {
            public void keyTraversed(TraverseEvent e)
            {
                if (e.detail == SWT.TRAVERSE_ESCAPE)
                {
                    newChartObject = null;
                    sashForm.setCursor(null);
                }
            }
        });
        
        sashForm = new SashForm(content, SWT.VERTICAL);
        sashForm.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true, 1, 1));
        
        datePlot = new DatePlot(content, SWT.NONE);
        GridData gridData = new GridData();
        gridData.heightHint = 24;
        gridData.grabExcessHorizontalSpace = true;
        gridData.horizontalAlignment = GridData.FILL;
        gridData.verticalAlignment = GridData.FILL;
        datePlot.setLayoutData(gridData);
        datePlot.setForeground(theme.getColorRegistry().get(ChartView.THEME_PERIOD_FOREGROUND));
        datePlot.setBackground(theme.getColorRegistry().get(ChartView.THEME_PERIOD_BACKGROUND));
        
        datePlot.getIndicatorPlot().addControlListener(new ControlAdapter() {
            public void controlResized(ControlEvent e)
            {
                updateScrollbar();
            }
        });
        datePlot.getIndicatorPlot().addPlotListener(new PlotListener() {
            public void plotResized(PlotEvent e)
            {
                updateScrollbar();
            }
        });

        hBar = content.getHorizontalBar();
        hBar.setVisible(false);
        hBar.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e)
            {