Example usage for com.google.gwt.user.client.ui SuggestBox addEventHandler

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui SuggestBox addEventHandler.

Prototype

@Deprecated
public void addEventHandler(final SuggestionHandler handler) 

Source Link

Document

Adds an event to this handler.

Usage

From source file:com.apress.progwt.client.calculator.Calculator.java

License:Apache License

public Calculator() {

    DockPanel dockPanel = new DockPanel();

    Grid controls = new Grid(5, 2);
    Grid numbersP = new Grid(4, 3);

    // initialize the 1-9 buttons
    for (int row = 0; row < 3; row++) {
        for (int col = 0; col < 3; col++) {
            numbersP.setWidget(row, col, new NumberButton(this, row * 3 + col + 1));
        }/* w  ww. j  ava 2  s .co m*/
    }
    numbersP.setWidget(3, 0, new NumberButton(this, 0));
    numbersP.setWidget(3, 1, new NumberButton(this, "."));
    numbersP.setWidget(3, 2, new ControlButton(this, new ControlAction(this, "+/-") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return -1 * current;
        }
    }));

    controls.setWidget(0, 0, new ControlButton(this, new ControlAction(this, "/") {

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return previous / current;
        }
    }));

    controls.setWidget(0, 1, new ControlButton(this, new ControlAction(this, "sqrt") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return Math.sqrt(current);
        }
    }));

    controls.setWidget(1, 0, new ControlButton(this, new ControlAction(this, "*") {
        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return previous * current;
        }
    }));
    controls.setWidget(1, 1, new ControlButton(this, new ControlAction(this, "%") {
        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return previous % current;
        }
    }));
    controls.setWidget(2, 0, new ControlButton(this, new ControlAction(this, "-") {
        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return previous - current;
        }
    }));
    controls.setWidget(2, 1, new ControlButton(this, new ControlAction(this, "1/x") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return 1 / current;
        }
    }));
    controls.setWidget(3, 0, new ControlButton(this, new ControlAction(this, "+") {
        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return previous + current;
        }
    }));
    controls.setWidget(3, 1, new ControlButton(this, new ControlAction(this, "=") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            if (lastAction == null) {
                return current;
            }
            return lastAction.performAction(null, previous, current);
        }

    }));

    controls.setWidget(4, 0, new ControlButton(this, new ControlAction(this, "bksp") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            String cStr = current + "";
            if (cStr.endsWith(".0")) {
                cStr = cStr.substring(0, cStr.length() - 3);
            } else {
                cStr = cStr.substring(0, cStr.length() - 1);
            }
            if (cStr.equals("")) {
                cStr = "0";
            }
            return Double.parseDouble(cStr);
        }

    }));

    controls.setWidget(4, 1, new ControlButton(this, new ControlAction(this, "clear") {
        @Override
        public boolean isMultiArg() {
            return false;
        }

        @Override
        public double performAction(ControlAction lastAction, double previous, double current) {
            return 0;
        }
    }));

    dockPanel.add(numbersP, DockPanel.CENTER);
    dockPanel.add(controls, DockPanel.EAST);

    inputBox = new TextBox();
    inputBox.addStyleName("ResultBox");
    dockPanel.add(inputBox, DockPanel.NORTH);

    ticker = new TextArea();
    ticker.setSize("7em", "140px");

    MultiWordSuggestOracle oracle = new MultiWordSuggestOracle();
    oracle.add("Jill");
    oracle.add("Jeff");
    oracle.add("James");
    oracle.add("Jennifer");

    SuggestBox box = new SuggestBox(oracle);
    box.addEventHandler(new SuggestionHandler() {
        public void onSuggestionSelected(SuggestionEvent suggE) {
            String selected = suggE.getSelectedSuggestion().getReplacementString();
            // do something with selected suggestion
        }
    });

    dockPanel.add(box, DockPanel.SOUTH);

    HorizontalPanel mainP = new HorizontalPanel();
    mainP.add(dockPanel);
    mainP.add(ticker);

    initWidget(mainP);

    setResult(0);

}

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From source file:gwtBlocks.client.views.SuggestBoxView.java

License:Apache License

@SuppressWarnings("unchecked")
@Override// w  ww  .j a v a 2s .c  o m
protected SuggestBox buildView(M model, Object... args) {
    String whiteSpaceChars = (String) args[0];

    if (args.length > 1) {
        BaseModel<List<V>> suggestionModel = (BaseModel<List<V>>) args[1];

        suggestionModel.registerChangeListener(new ValueChangeListener<BaseModel<List<V>>>() {
            public void valueChanged(BaseModel<List<V>> model) {
                setSuggestions(model.getValue());
            }
        });
    }

    _oracle = new MultiWordSuggestOracle(whiteSpaceChars);

    final SuggestBox sb = new SuggestBox(_oracle);

    sb.addEventHandler(new SuggestionHandler() {
        public void onSuggestionSelected(SuggestionEvent event) {
            getModel().setValue(_lookupMap.get(event.getSelectedSuggestion().getReplacementString()));
        }
    });

    sb.addChangeListener(new ChangeListener() {
        public void onChange(Widget sender) {
            getModel().setValue(_lookupMap.get(sb.getText()));
        }
    });

    return sb;
}

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