package com.quantum.properties;

import com.quantum.IQuantumConstants;
import com.quantum.adapters.AdapterFactory;
import com.quantum.adapters.DriverInfo;
import com.quantum.model.Bookmark;
import com.quantum.view.bookmark.TreeNode;

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.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.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.PropertyPage;

public class BookmarkPropertyPage extends PropertyPage {
    
    private Text password;
    private Text userid;
    private Button prompt;
    
    private Text jdbcURL;
    private Text driverName;
    private Text driverPath;
    
    private Combo type;
	private Combo autoCommit;
    private DriverInfo[] adapters = AdapterFactory.getInstance().getDriverList();

    protected Control createContents(Composite parent) {

        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        composite.setLayout(layout);
        GridData data = new GridData(GridData.FILL);
        data.grabExcessHorizontalSpace = true;
        composite.setLayoutData(data);

		Label nameLabel = new Label(composite, SWT.NONE);
        nameLabel.setText("Name:");

        Label name = new Label(composite, SWT.NONE);

        Bookmark bookmark = getBookmark();
        String description = bookmark.getName();
        name.setText(description);
        
        TabFolder tabFolder = new TabFolder(parent, SWT.NONE);
        layout = new GridLayout();
        tabFolder.setLayout(layout);
        data = new GridData(GridData.FILL_BOTH);
        data.grabExcessHorizontalSpace = true;
        data.grabExcessVerticalSpace = true;
        data.verticalAlignment = GridData.FILL;
        data.horizontalSpan = 2;
        data.verticalAlignment = GridData.VERTICAL_ALIGN_BEGINNING;
        tabFolder.setLayoutData(data);
        
        createUserTab(tabFolder);
        createDriverTab(tabFolder);
        createOptionsTab(tabFolder);
        
        performDefaults();
        return composite;
	}

 	private Bookmark getBookmark() {
        Bookmark bookmark =
            ((TreeNode) getElement()).getBookmark();
        return bookmark;
    }

    private void createDriverTab(TabFolder tabFolder) {
        TabItem driverTab = new TabItem(tabFolder, SWT.NONE);
        driverTab.setText("JDBC Driver");
        
        Composite composite = new Composite(tabFolder, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        composite.setLayout(layout);
        GridData data = new GridData(GridData.FILL);
        data.verticalAlignment = GridData.VERTICAL_ALIGN_BEGINNING;
        data.grabExcessHorizontalSpace = true;
        composite.setLayoutData(data);
        
        Label label = new Label(composite, SWT.NONE);
        label.setText("Connection URL:");

        this.jdbcURL = new Text(composite, SWT.BORDER);
        data = new GridData(GridData.FILL);
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        data.grabExcessHorizontalSpace = true;
        this.jdbcURL.setLayoutData(data);
        
        label = new Label(composite, SWT.NONE);
        label.setText("Driver Name:");

        this.driverName = new Text(composite, SWT.BORDER);
        data = new GridData(GridData.FILL);
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        this.driverName.setLayoutData(data);

        label = new Label(composite, SWT.NONE);
        label.setText("Driver Location:");

        this.driverPath = new Text(composite, SWT.BORDER);
        data = new GridData(GridData.FILL);
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        this.driverPath.setLayoutData(data);

        label = new Label(composite, SWT.NULL);
        label.setText("Type:");
        this.type = new Combo(composite, SWT.SIMPLE | SWT.DROP_DOWN | SWT.READ_ONLY);
        String adapterNames[] = new String[adapters.length];
        for (int i = 0; i < adapters.length; i++) {
            adapterNames[i] = adapters[i].getDisplayName();
        }
        this.type.setItems(adapterNames);
        
        data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        this.type.setLayoutData(data);

        driverTab.setControl(composite);
    }

    private void createUserTab(TabFolder tabFolder) {
        TabItem userTab = new TabItem(tabFolder, SWT.NONE);
        userTab.setText("User");
        
        Composite composite = new Composite(tabFolder, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        composite.setLayout(layout);
        GridData data = new GridData(GridData.FILL);
        data.verticalAlignment = GridData.VERTICAL_ALIGN_BEGINNING;
        data.grabExcessHorizontalSpace = true;
        composite.setLayoutData(data);
        
        Label useridLabel = new Label(composite, SWT.NONE);
        useridLabel.setText("Userid:");

        this.userid = new Text(composite, SWT.BORDER);
        data = new GridData(GridData.FILL);
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        data.grabExcessHorizontalSpace = true;
        this.userid.setLayoutData(data);
        
        Label passworLabel = new Label(composite, SWT.NONE);
        passworLabel.setText("Password:");

        this.password = new Text(composite, SWT.BORDER);
        this.password.setEchoChar('*');
        data = new GridData(GridData.FILL);
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        this.password.setLayoutData(data);

        this.prompt = new Button(composite, SWT.CHECK);
        this.prompt.setText("Prompt for password");
        data = new GridData(GridData.FILL);
        data.horizontalSpan = 2;
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        this.prompt.setLayoutData(data);
        
        this.prompt.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                password.setEditable(!((Button) event.getSource()).getSelection()); 
            }
        });
        
        userTab.setControl(composite);
    }

	/**
	  * @param tabFolder
	  */
	 private void createOptionsTab(TabFolder tabFolder) {
		TabItem optionsTab = new TabItem(tabFolder, SWT.NONE);
		optionsTab.setText("Options");
        
		Composite composite = new Composite(tabFolder, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.numColumns = 2;
		composite.setLayout(layout);
		GridData data = new GridData(GridData.FILL);
		data.verticalAlignment = GridData.VERTICAL_ALIGN_BEGINNING;
		data.grabExcessHorizontalSpace = true;
		composite.setLayoutData(data);
        
		Label label;
		
		label = new Label(composite, SWT.NULL);
		label.setText("On connection, Auto-Commit should be:");
		this.autoCommit = new Combo(composite, SWT.SIMPLE | SWT.DROP_DOWN | SWT.READ_ONLY);
		String autoCommitTypes[] = new String[] {
			IQuantumConstants.autoCommitTrue, 
			IQuantumConstants.autoCommitFalse,
			IQuantumConstants.autoCommitSaved
		};
		this.autoCommit.setItems(autoCommitTypes);
        
		data = new GridData();
		data.horizontalAlignment = GridData.FILL;
		this.autoCommit.setLayoutData(data);

		optionsTab.setControl(composite);
		
	 }



    /**
     * @see org.eclipse.jface.preference.PreferencePage#performApply()
     */
    public boolean performOk() {
        Bookmark bookmark = getBookmark();
        bookmark.setUsername(this.userid.getText());
        bookmark.setPromptForPassword(this.prompt.getSelection());
        if (this.prompt.getSelection()) {
            bookmark.setPassword("");
        } else {
            bookmark.setPassword(this.password.getText());
        }

        int index = this.type.getSelectionIndex();
        bookmark.setType(this.adapters[index].getDriverType());
        bookmark.setConnect(this.jdbcURL.getText());
        bookmark.setDriver(this.driverName.getText());
        bookmark.setDriverFile(this.driverPath.getText());
        if (this.autoCommit.getSelectionIndex() >= 0)
        	bookmark.setAutoCommitPreference(this.autoCommit.getItem(this.autoCommit.getSelectionIndex()));
        return super.performOk();
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
     */
    protected void performDefaults() {
        super.performDefaults();
        Bookmark bookmark = getBookmark();

        this.prompt.setSelection(bookmark.getPromptForPassword());
        this.password.setEditable(!bookmark.getPromptForPassword());
        this.password.setText(bookmark.getPassword());
        this.userid.setText(bookmark.getUsername());

        this.type.select(0);
        boolean done = false;
        for (int i = 0,
            length = (adapters == null) ? 0 : adapters.length;
            !done && i < length;
            i++) {
            if (bookmark.getType() != null && 
                bookmark.getType().equals(adapters[i].getDriverType())) {
                this.type.select(i);
                done = true;
            }
        }
        if (bookmark.getAutoCommitPreference().equals(IQuantumConstants.autoCommitTrue))
        	this.autoCommit.select(0);
        else if (bookmark.getAutoCommitPreference().equals(IQuantumConstants.autoCommitFalse))
			this.autoCommit.select(1);
		else if (bookmark.getAutoCommitPreference().equals(IQuantumConstants.autoCommitSaved))
			this.autoCommit.select(2);
			
        this.driverName.setText(bookmark.getDriver());
        this.jdbcURL.setText(bookmark.getConnect());
        this.driverPath.setText(bookmark.getDriverFile());
    }
}