/*
 * Created on Nov 13, 2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package CDBuilder;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;


/**
 * @author sddsim
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class CDPreferencePage extends PreferencePage implements IWorkbenchPreferencePage, SelectionListener, ModifyListener {

	private Button setOvrRB;
	private Button setAutoRB;
	private Button setAskRB;

	private Button vModeAlwysRB;
	private Button vModeNeverRB;
	private Button vModeAskRB;
	
	private Button batchOvrRB;
	private Button batchAutoRB;
	private Button batchAskRB;
	
	/**
	 * The path to the blender .exe file program
	 */
	private Text TextFieldBlenderPath;
	private Button BtnBlenderPath;
	private Composite compositeBlenderPreferences;

	private Text textField;
	
	private Button pushButton_textField;
	
	private Button createCheckBox(Composite group, String label) {
		Button button = new Button(group, SWT.CHECK | SWT.LEFT);
		button.setText(label);
		button.addSelectionListener(this);
		GridData data = new GridData();
		button.setLayoutData(data);
		return button;
	}
	private Composite createComposite(Composite parent, int numColumns) {
		Composite composite = new Composite(parent, SWT.NULL);

		//GridLayout
		GridLayout layout = new GridLayout();
		layout.numColumns = numColumns;
		composite.setLayout(layout);

		//GridData
		GridData data = new GridData();
		data.verticalAlignment = GridData.FILL;
		data.horizontalAlignment = GridData.FILL;
		composite.setLayoutData(data);
		return composite;
	}
	private Label createLabel(Composite parent, String text) {
		Label label = new Label(parent, SWT.LEFT);
		label.setText(text);
		GridData data = new GridData();
		data.horizontalSpan = 2;
		data.horizontalAlignment = GridData.FILL;
		label.setLayoutData(data);
		return label;
	}
	private Button createPushButton(Composite parent, String label) {
		Button button = new Button(parent, SWT.PUSH);
		button.setText(label);
		button.addSelectionListener(this);
		GridData data = new GridData();
		data.horizontalAlignment = GridData.FILL;
		button.setLayoutData(data);
		return button;
	}
	private Button createRadioButton(Composite parent, String label) {
		Button button = new Button(parent, SWT.RADIO | SWT.LEFT);
		button.setText(label);
		button.addSelectionListener(this);
		GridData data = new GridData();
		button.setLayoutData(data);
		return button;
	}
	
	private Text createTextField(Composite parent) {
		Text text = new Text(parent, SWT.SINGLE | SWT.BORDER);
		text.addModifyListener(this);
		GridData data = new GridData();
		data.horizontalAlignment = GridData.FILL;
		data.grabExcessHorizontalSpace = true;
		data.verticalAlignment = GridData.CENTER;
		data.grabExcessVerticalSpace = false;
		text.setLayoutData(data);
		return text;
	}
	
	protected IPreferenceStore doGetPreferenceStore() {
		return CDBuilderPlugin.getDefault().getPreferenceStore();
	}
	
	private void initializeDefaults() {
		IPreferenceStore store = getPreferenceStore();
		vModeAlwysRB.setSelection(false);
		vModeNeverRB.setSelection(false);
		vModeAskRB.setSelection(false);
		setOvrRB.setSelection(false);
		setAutoRB.setSelection(false);
		setAskRB.setSelection(false);
		batchOvrRB.setSelection(false);
		batchAutoRB.setSelection(false);
		batchAskRB.setSelection(false);
		
		int vModeChoice = store.getDefaultInt("vModeChoice");
		switch (vModeChoice) {
			case 1:
			   vModeAlwysRB.setSelection(true);
			   break;
			case 2:
			   vModeNeverRB.setSelection(true);
			   break;
			case 3:
			   vModeAskRB.setSelection(true);
			   break;
		}

		int setChoice = store.getDefaultInt("setChoice");
		switch (setChoice) {
			case 1:
			   setOvrRB.setSelection(true);
			   break;
			case 2:
			   setAutoRB.setSelection(true);
			   break;
			case 3:
			   setAskRB.setSelection(true);
			   break;
		}
		int batchChoice = store.getDefaultInt("batchChoice");
		switch (batchChoice) {
			case 1:
			   batchOvrRB.setSelection(true);
			   break;
			case 2:
			   batchAutoRB.setSelection(true);
			   break;
			case 3:
			   batchAskRB.setSelection(true);
			   break;
		}
		
		TextFieldBlenderPath.setText("");
	}
	
	private void initializeValues() {
		IPreferenceStore store = getPreferenceStore();
		int vModeChoice = store.getInt("vModeChoice");
		switch (vModeChoice) {
			case 1:
			   vModeAlwysRB.setSelection(true);
			   break;
			case 2:
			   vModeNeverRB.setSelection(true);
			   break;
			case 3:
			   vModeAskRB.setSelection(true);
			   break;
		}
		

		int setChoice = store.getInt("setChoice");
		switch (setChoice) {
			case 1:
			   setOvrRB.setSelection(true);
			   break;
			case 2:
			   setAutoRB.setSelection(true);
			   break;
			case 3:
			   setAskRB.setSelection(true);
			   break;
		}
		int batchChoice = store.getInt("batchChoice");
		switch (batchChoice) {
			case 1:
			   batchOvrRB.setSelection(true);
			   break;
			case 2:
			   batchAutoRB.setSelection(true);
			   break;
			case 3:
			   batchAskRB.setSelection(true);
			   break;
		}
		
		String blenderPath = store.getString("blenderPath");
		if(blenderPath != null){
			TextFieldBlenderPath.setText(blenderPath);
		}
		
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
	 */
	protected Control createContents(Composite parent) {
		//Compiling Options
		//Verbose Mode always on, always off
		Composite compositeCompLabel = createComposite(parent, 2);
		createLabel(compositeCompLabel, "Compiling Options");	 //$NON-NLS-1$
		tabForward(compositeCompLabel);
		Composite compositeVerboseRB = createComposite(compositeCompLabel, 1);
		vModeAlwysRB = createRadioButton(compositeVerboseRB, "Always run in verbose mode"); 
		vModeNeverRB = createRadioButton(compositeVerboseRB, "Never run in verbose mode"); 
		vModeAskRB = createRadioButton(compositeVerboseRB, "Always ask"); 
		

		//Simulation Options
		// Always auto generate set files or ask
		// Always auto generate batch files or ask
		Composite compositeSetLabel = createComposite(parent, 2);
		createLabel(compositeSetLabel, "Saving Set File Options"); //$NON-NLS-1$
		tabForward(compositeSetLabel);
		Composite compositeSetRB = createComposite(compositeSetLabel, 1);
		setOvrRB = createRadioButton(compositeSetRB, "Always overwrite"); 
		setAutoRB = createRadioButton(compositeSetRB, "Always autogenerate"); 
		setAskRB = createRadioButton(compositeSetRB, "Always ask"); 

		Composite compositeBatchLabel = createComposite(parent, 2);
		createLabel(compositeBatchLabel, "Saving Batch File Options"); //$NON-NLS-1$
		tabForward(compositeBatchLabel);
		Composite compositeBatchRB = createComposite(compositeBatchLabel, 1);
		batchOvrRB = createRadioButton(compositeBatchRB, "Always overwrite"); 
		batchAutoRB = createRadioButton(compositeBatchRB, "Always autogenerate"); 
		batchAskRB = createRadioButton(compositeBatchRB, "Always ask"); 

		//
		// Blender Location
		//
		Composite compositeBlenderLabel = createComposite(parent, 2);
		createLabel(compositeBlenderLabel, "Blender location");
		tabForward(compositeBlenderLabel);
		compositeBlenderPreferences = createComposite(compositeBlenderLabel, 2);
		TextFieldBlenderPath = createTextField(compositeBlenderPreferences);
		TextFieldBlenderPath.setEditable(false);
		BtnBlenderPath = createPushButton(compositeBlenderPreferences, "Browse");
		BtnBlenderPath.addSelectionListener(new SelectionAdapter(){
			public void widgetSelected(SelectionEvent e){
				FileDialog dialog = new FileDialog(compositeBlenderPreferences.getShell(), SWT.OPEN);
				dialog.setFilterNames(new String[]{"Executable Files (*.exe)"});
				dialog.setFilterExtensions(new String[]{"*.exe"});
				dialog.setText("Select Blender .exe file");
				dialog.setFilterPath("C:\\Program Files\\");
				String path = dialog.open();
				if(path != null){
					TextFieldBlenderPath.setText(path);
				}
			}
		});
		
		initializeValues();

		//font = null;
		return new Composite(parent, SWT.NULL);
	}

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

	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetSelected(SelectionEvent e) {
		
	}

	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetDefaultSelected(SelectionEvent e) {
	
		
	}

	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
	 */
	public void modifyText(ModifyEvent e) {
	
		
	}


	protected void performDefaults() {
		super.performDefaults();
		initializeDefaults();
	}
	
	/* (non-Javadoc)
	 * Method declared on PreferencePage
	 */
	public boolean performOk() {
		storeValues();
		CDBuilderPlugin.getDefault().savePluginPreferences();
		return true;
	}
	/**
	 * Stores the values of the controls back to the preference store.
	 */
	private void storeValues() {
		IPreferenceStore store = getPreferenceStore();
		int vModeChoice = 1;
		if (vModeNeverRB.getSelection()) 
			vModeChoice = 2;
		else if (vModeAskRB.getSelection()) 
			vModeChoice = 3;
		store.setValue("vModeChoice", vModeChoice);


		int setChoice = 1;
		if (setAutoRB.getSelection()) 
			setChoice = 2;
		else if (setAskRB.getSelection()) 
			setChoice = 3;
		store.setValue("setChoice", setChoice);
					
		int batchChoice = 1;
		if (batchAutoRB.getSelection()) 
			batchChoice = 2;
		else if (batchAskRB.getSelection()) 
			batchChoice = 3;
		store.setValue("batchChoice", batchChoice);
		
		store.setValue("blenderPath", TextFieldBlenderPath.getText());

	}
	/**
	 * Creates a tab of one horizontal spans.
	 *
	 * @param parent  the parent in which the tab should be created
	 */
	private void tabForward(Composite parent) {
		Label vfiller = new Label(parent, SWT.LEFT);
		GridData gridData = new GridData();
		gridData = new GridData();
		gridData.horizontalAlignment = GridData.BEGINNING;
		gridData.grabExcessHorizontalSpace = false;
		gridData.verticalAlignment = GridData.CENTER;
		gridData.grabExcessVerticalSpace = false;
		vfiller.setLayoutData(gridData);
	}

}