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StaticPortEditDialog.javaAPI DocAndroid 1.5 API10764Wed May 06 22:41:08 BST 2009com.android.ddms

StaticPortEditDialog

public class StaticPortEditDialog extends org.eclipse.swt.widgets.Dialog
Small dialog box to edit a static port number.

Fields Summary
private static final int
DLG_WIDTH
private static final int
DLG_HEIGHT
private org.eclipse.swt.widgets.Shell
mParent
private org.eclipse.swt.widgets.Shell
mShell
private boolean
mOk
private String
mAppName
private String
mPortNumber
private org.eclipse.swt.widgets.Button
mOkButton
private org.eclipse.swt.widgets.Label
mWarning
private ArrayList
mPorts
List of ports already in use
private int
mEditPort
This is the port being edited.
private String
mDeviceSn
Constructors Summary
public StaticPortEditDialog(org.eclipse.swt.widgets.Shell parent, ArrayList ports)
Creates a dialog with empty fields.

param
parent The parent Shell
param
ports The list of already used port numbers.


                             
         
        super(parent, SWT.DIALOG_TRIM | SWT.BORDER | SWT.APPLICATION_MODAL);
        mPorts = ports;
        mDeviceSn = Device.FIRST_EMULATOR_SN;
public StaticPortEditDialog(org.eclipse.swt.widgets.Shell shell, ArrayList ports, String oldDeviceSN, String oldAppName, String oldPortNumber)
Creates a dialog with predefined values.

param
shell The parent shell
param
ports The list of already used port numbers.
param
oldDeviceSN the device serial number to display
param
oldAppName The application name to display
param
oldPortNumber The port number to display

        this(shell, ports);

        mDeviceSn = oldDeviceSN;
        mAppName = oldAppName;
        mPortNumber = oldPortNumber;
        mEditPort = Integer.valueOf(mPortNumber);
Methods Summary
private voidcreateUI()

        mParent = getParent();
        mShell = new Shell(mParent, getStyle());
        mShell.setText("Static Port");

        mShell.setLayout(new GridLayout(1, false));

        mShell.addListener(SWT.Close, new Listener() {
            public void handleEvent(Event event) {
            }
        });

        // center part with the edit field
        Composite main = new Composite(mShell, SWT.NONE);
        main.setLayoutData(new GridData(GridData.FILL_BOTH));
        main.setLayout(new GridLayout(2, false));

        Label l0 = new Label(main, SWT.NONE);
        l0.setText("Device Name:");

        final Text deviceSNText = new Text(main, SWT.SINGLE | SWT.BORDER);
        deviceSNText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        if (mDeviceSn != null) {
            deviceSNText.setText(mDeviceSn);
        }
        deviceSNText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                mDeviceSn = deviceSNText.getText().trim();
                validate();
            }
        });

        Label l = new Label(main, SWT.NONE);
        l.setText("Application Name:");

        final Text appNameText = new Text(main, SWT.SINGLE | SWT.BORDER);
        if (mAppName != null) {
            appNameText.setText(mAppName);
        }
        appNameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        appNameText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                mAppName = appNameText.getText().trim();
                validate();
            }
        });

        Label l2 = new Label(main, SWT.NONE);
        l2.setText("Debug Port:");

        final Text debugPortText = new Text(main, SWT.SINGLE | SWT.BORDER);
        if (mPortNumber != null) {
            debugPortText.setText(mPortNumber);
        }
        debugPortText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        debugPortText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                mPortNumber = debugPortText.getText().trim();
                validate();
            }
        });

        // warning label
        Composite warningComp = new Composite(mShell, SWT.NONE);
        warningComp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        warningComp.setLayout(new GridLayout(1, true));

        mWarning = new Label(warningComp, SWT.NONE);
        mWarning.setText("");
        mWarning.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        // bottom part with the ok/cancel
        Composite bottomComp = new Composite(mShell, SWT.NONE);
        bottomComp
                .setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
        bottomComp.setLayout(new GridLayout(2, true));

        mOkButton = new Button(bottomComp, SWT.NONE);
        mOkButton.setText("OK");
        mOkButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                mOk = true;
                mShell.close();
            }
        });
        mOkButton.setEnabled(false);
        mShell.setDefaultButton(mOkButton);

        Button cancelButton = new Button(bottomComp, SWT.NONE);
        cancelButton.setText("Cancel");
        cancelButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                mShell.close();
            }
        });

        validate();
public java.lang.StringgetAppName()

        return mAppName;
public java.lang.StringgetDeviceSN()

        return mDeviceSn;
public intgetPortNumber()

        return Integer.valueOf(mPortNumber);
public booleanopen()
Opens the dialog. The method will return when the user closes the dialog somehow.

return
true if ok was pressed, false if cancelled.

        createUI();

        if (mParent == null || mShell == null) {
            return false;
        }

        mShell.setMinimumSize(DLG_WIDTH, DLG_HEIGHT);
        Rectangle r = mParent.getBounds();
        // get the center new top left.
        int cx = r.x + r.width/2;
        int x = cx - DLG_WIDTH / 2;
        int cy = r.y + r.height/2;
        int y = cy - DLG_HEIGHT / 2;
        mShell.setBounds(x, y, DLG_WIDTH, DLG_HEIGHT);

        mShell.open();

        Display display = mParent.getDisplay();
        while (!mShell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }

        return mOk;
private voidvalidate()
Validates the content of the 2 text fields and enable/disable "ok", while setting up the warning/error message.

        // first we reset the warning dialog. This allows us to latter
        // display warnings.
        mWarning.setText(""); // $NON-NLS-1$

        // check the device name field is not empty
        if (mDeviceSn == null || mDeviceSn.length() == 0) {
            mWarning.setText("Device name missing.");
            mOkButton.setEnabled(false);
            return;
        }

        // check the application name field is not empty
        if (mAppName == null || mAppName.length() == 0) {
            mWarning.setText("Application name missing.");
            mOkButton.setEnabled(false);
            return;
        }

        String packageError = "Application name must be a valid Java package name.";

        // validate the package name as well. It must be a fully qualified
        // java package.
        String[] packageSegments = mAppName.split("\\."); // $NON-NLS-1$
        for (String p : packageSegments) {
            if (p.matches("^[a-zA-Z][a-zA-Z0-9]*") == false) { // $NON-NLS-1$
                mWarning.setText(packageError);
                mOkButton.setEnabled(false);
                return;
            }

            // lets also display a warning if the package contains upper case
            // letters.
            if (p.matches("^[a-z][a-z0-9]*") == false) { // $NON-NLS-1$
                mWarning.setText("Lower case is recommended for Java packages.");
            }
        }

        // the split will not detect the last char being a '.'
        // so we test it manually
        if (mAppName.charAt(mAppName.length()-1) == '.") {
            mWarning.setText(packageError);
            mOkButton.setEnabled(false);
            return;
        }

        // now we test the package name field is not empty.
        if (mPortNumber == null || mPortNumber.length() == 0) {
            mWarning.setText("Port Number missing.");
            mOkButton.setEnabled(false);
            return;
        }

        // then we check it only contains digits.
        if (mPortNumber.matches("[0-9]*") == false) { // $NON-NLS-1$
            mWarning.setText("Port Number invalid.");
            mOkButton.setEnabled(false);
            return;
        }

        // get the int from the port number to validate
        long port = Long.valueOf(mPortNumber);
        if (port >= 32767) {
            mOkButton.setEnabled(false);
            return;
        }

        // check if its in the list of already used ports
        if (port != mEditPort) {
            for (Integer i : mPorts) {
                if (port == i.intValue()) {
                    mWarning.setText("Port already in use.");
                    mOkButton.setEnabled(false);
                    return;
                }
            }
        }

        // at this point there's not error, so we enable the ok button.
        mOkButton.setEnabled(true);