Re: Default value in empty TextBox

Hi all,

There is ready version (among other widgets) in the buttom of this page 

http://1vu-widgets.appspot.com/IntoGwt.html

The project homepage is https://code.google.com/p/advanced-suggest-select-box/

Best regards

On Wednesday, March 19, 2008 7:25:53 AM UTC+1, Christopher wrote:

Thanks for the code. Here's my extension of it:

public class DefaultTextBox extends TextBox implements FocusListener {
        String defaultText;
        boolean defaultTextMode = false;

        public DefaultTextBox(String defaultText) {
                setDefaultText(defaultText);
                setDefaultTextMode();
                addFocusListener(this);
        }

        public String getDefaultText() {
                return defaultText;
        }

        public String getText() {
                if (!defaultTextMode) {
                        return super.getText();
                } else {
                        return "";
                }
        }

        public void onFocus(Widget sender) {
                if (defaultTextMode) {
                        setNormalTextMode();
                }
        }

        public void onLostFocus(Widget sender) {
                if (getText().length() == 0) {
                        setDefaultTextMode();
                }
        }

        public void setDefaultText(String defaultText) {
                this.defaultText = defaultText;
                if (defaultTextMode) {
                        setDefaultTextMode();        // Refresh
                }
        }

        void setDefaultTextMode() {
                assert super.getText().length() == 0;
                super.setText(defaultText);
                addStyleDependentName("default");
                defaultTextMode = true;
        }

        void setNormalTextMode() {
                assert super.getText().length() != 0;
                super.setText("");
                removeStyleDependentName("default");
                defaultTextMode = false;
        }

        public void setText(String text) {
                super.setText(text);
                if (text.length() == 0) {
                        setDefaultTextMode();
                } else {
                        setNormalTextMode();
                }
        }
}

Cheers,
-C

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